diff --git a/SběrDatRůzné/DailySuguru/NOTES.md b/SběrDatRůzné/DailySuguru/NOTES.md new file mode 100644 index 0000000..12200c0 --- /dev/null +++ b/SběrDatRůzné/DailySuguru/NOTES.md @@ -0,0 +1,45 @@ +# DailySuguru — technické poznámky + +## Přehled skriptů + +| Skript | Popis | +|--------|-------| +| `preskumaj_suguru.py` | Průzkumný — vytáhne `gameLevels` z JS kontextu stránky | +| `stahni_suguru.py` | Stáhne data z webu a uloží do MySQL (celý rok najednou) | +| `vykresli_suguru.py` | Generuje PDF z dat v MySQL (reportlab, vektorové) | + +## Zdroj dat + +Stránka: https://www.solitaire.org/daily-suguru/ + +Stejná architektura jako ostatní puzzle — `game.php` načte `gameLevels` s daty pro celý rok (366 dní × 3 velikosti). Klíče `"MM-DD"`, bez roku. + +## Obtížnosti (velikosti mřížek) + +| Klíč | Rozměr | +|------|--------| +| 6x6 | 6×6 | +| 8x8 | 8×8 | +| 10x10 | 10×10 | + +## Datová struktura `gameLevels` + +Každý záznam je objekt `{colors, clues, solution}`: + +- `colors` = skupiny buněk (písmena A–Z), flat string řádek po řádku +- `clues` = nápovědy, tečka = prázdná buňka +- `solution` = řešení, flat string číslic + +Pravidla Suguru: každá skupina velikosti N obsahuje čísla 1–N, žádné dvě sousední buňky (včetně diagonálně) nesmí mít stejné číslo. + +## MySQL tabulka `puzzle.puzzles` + +Sdílená tabulka s ostatními puzzle. Pro Suguru: +- `game_type` = `'suguru'` +- `difficulty` = `'6x6'` / `'8x8'` / `'10x10'` +- `puzzle` = `colors|clues` (dva stringy spojené `|`) +- `solution` = flat string řešení +- `extra` = `{"grid_size": 6}` / `8` / `10` +- `source` = `'solitaire.org'` + +Stav: celý rok 2026 naplněn (1095 řádků = 365 dní × 3 velikosti). diff --git a/SběrDatRůzné/DailySuguru/stahni_suguru.py b/SběrDatRůzné/DailySuguru/stahni_suguru.py new file mode 100644 index 0000000..1fd4967 --- /dev/null +++ b/SběrDatRůzné/DailySuguru/stahni_suguru.py @@ -0,0 +1,97 @@ +""" +Stáhne daily Suguru puzzle data ze solitaire.org a uloží do MySQL. +""" + +import asyncio +import json +import sys + +sys.stdout.reconfigure(encoding="utf-8") +sys.stderr.reconfigure(encoding="utf-8") + +from datetime import date, timedelta +from pathlib import Path + +from playwright.async_api import async_playwright + +sys.path.insert(0, str(Path(__file__).parent.parent.parent / "Knihovny")) +from mysql_db import connect_mysql + +URL = "https://www.solitaire.org/daily-suguru/" +DIFFICULTIES = ["6x6", "8x8", "10x10"] + + +async def fetch_all_levels() -> dict: + async with async_playwright() as p: + browser = await p.chromium.launch(headless=True) + context = await browser.new_context(viewport={"width": 1280, "height": 900}) + + page = await context.new_page() + print(f"Načítám {URL} ...") + await page.goto(URL, wait_until="networkidle", timeout=60_000) + + game_url = None + for frame in page.frames: + if frame.url != page.url and frame.url.strip() not in ("", "about:blank"): + game_url = frame.url + break + + if not game_url: + iframe_src = await page.get_attribute("iframe", "src") + if iframe_src: + game_url = iframe_src if iframe_src.startswith("http") else f"https://www.solitaire.org{iframe_src}" + + await page.close() + + game_page = await context.new_page() + target_url = game_url if game_url else URL + print(f"Načítám hru: {target_url} ...") + await game_page.goto(target_url, wait_until="networkidle", timeout=60_000) + + raw = await game_page.evaluate("() => JSON.stringify(gameLevels)") + await browser.close() + + return json.loads(raw) + + +def save_to_mysql(game_levels: dict, start_date: date, end_date: date): + conn = connect_mysql(database="puzzle") + cur = conn.cursor() + + inserted = 0 + d = start_date + while d <= end_date: + mmdd = d.strftime("%m-%d") + date_str = d.strftime("%Y-%m-%d") + for diff in DIFFICULTIES: + if diff not in game_levels or mmdd not in game_levels[diff]: + continue + entry = game_levels[diff][mmdd] + grid_size = int(diff.split("x")[0]) + puzzle_str = entry["colors"] + "|" + entry["clues"] + cur.execute( + "INSERT IGNORE INTO puzzles (game_type, difficulty, puzzle_date, puzzle, solution, extra, source) " + "VALUES (%s, %s, %s, %s, %s, %s, %s)", + ("suguru", diff, date_str, puzzle_str, entry["solution"], + json.dumps({"grid_size": grid_size}), "solitaire.org"), + ) + if cur.rowcount > 0: + inserted += 1 + d += timedelta(days=1) + + cur.close() + conn.close() + return inserted + + +async def main(): + game_levels = await fetch_all_levels() + total = sum(len(game_levels.get(d, {})) for d in DIFFICULTIES) + print(f"gameLevels: {total} záznamů") + + inserted = save_to_mysql(game_levels, date(2026, 1, 1), date(2026, 12, 31)) + print(f"MySQL: vloženo {inserted} nových řádků (celý rok 2026)") + + +if __name__ == "__main__": + asyncio.run(main()) diff --git a/SběrDatRůzné/DailySuguru/vykresli_suguru.py b/SběrDatRůzné/DailySuguru/vykresli_suguru.py new file mode 100644 index 0000000..9aba3db --- /dev/null +++ b/SběrDatRůzné/DailySuguru/vykresli_suguru.py @@ -0,0 +1,177 @@ +""" +Vykreslí Suguru puzzle do PDF z dat v MySQL tabulce puzzles. +""" + +import json +import os +import sys +from pathlib import Path + +sys.stdout.reconfigure(encoding="utf-8") +sys.path.insert(0, str(Path(__file__).parent.parent.parent / "Knihovny")) + +from reportlab.lib import colors +from reportlab.lib.pagesizes import A4 +from reportlab.lib.units import cm +from reportlab.pdfbase import pdfmetrics +from reportlab.pdfbase.ttfonts import TTFont +from reportlab.pdfgen.canvas import Canvas + +from mysql_db import connect_mysql + +_fonts_dir = os.path.join(os.environ.get("WINDIR", r"C:\Windows"), "Fonts") +pdfmetrics.registerFont(TTFont("Arial", os.path.join(_fonts_dir, "arial.ttf"))) +pdfmetrics.registerFont(TTFont("ArialBold", os.path.join(_fonts_dir, "arialbd.ttf"))) + +OUTPUT = Path(__file__).parent / "test_suguru.pdf" + + +def parse_puzzle(puzzle_str: str, grid_size: int): + colors_str, clues_str = puzzle_str.split("|") + rows = grid_size + cols = len(colors_str) // rows + color_map = [] + clues = [] + for r in range(rows): + color_row = [] + clue_row = [] + for c_ in range(cols): + idx = r * cols + c_ + color_row.append(colors_str[idx]) + ch = clues_str[idx] + clue_row.append(int(ch) if ch != "." else 0) + color_map.append(color_row) + clues.append(clue_row) + return color_map, clues, rows, cols + + +def parse_solution(solution_str: str, rows: int, cols: int) -> list[list[int]]: + return [[int(solution_str[r * cols + c]) for c in range(cols)] + for r in range(rows)] + + +def draw_suguru(c: Canvas, x0: float, y0: float, cell: float, + color_map: list, clues: list, rows: int, cols: int, + title: str = "", solution: list | None = None): + num_font = max(cell * 0.5, 7) + thin = 0.4 + thick = 2.2 + + if title: + c.setFont("ArialBold", 12) + c.drawString(x0, y0 + 5, title) + + # Bílé pozadí + c.setFillColor(colors.white) + c.rect(x0, y0 - rows * cell, cols * cell, rows * cell, fill=1, stroke=0) + + # Čísla — nápovědy (zadání) nebo řešení + for r in range(rows): + for co in range(cols): + cx = x0 + co * cell + cell / 2 + cy = y0 - (r + 1) * cell + cell * 0.3 + + if clues[r][co] > 0: + c.setFillColor(colors.black) + c.setFont("ArialBold", num_font) + c.drawCentredString(cx, cy, str(clues[r][co])) + elif solution: + c.setFillColor(colors.Color(0.4, 0.4, 0.4)) + c.setFont("Arial", num_font) + c.drawCentredString(cx, cy, str(solution[r][co])) + + # Tenké vnitřní čáry + c.setStrokeColor(colors.Color(0.75, 0.75, 0.75)) + c.setLineWidth(thin) + for i in range(1, rows): + c.line(x0, y0 - i * cell, x0 + cols * cell, y0 - i * cell) + for i in range(1, cols): + c.line(x0 + i * cell, y0, x0 + i * cell, y0 - rows * cell) + + # Tlusté hrany mezi různými skupinami + c.setStrokeColor(colors.black) + c.setLineWidth(thick) + + # Vnější okraj + c.rect(x0, y0 - rows * cell, cols * cell, rows * cell, fill=0, stroke=1) + + # Horizontální hrany + for r in range(rows - 1): + seg_start = None + for co in range(cols): + border = color_map[r][co] != color_map[r + 1][co] + if border and seg_start is None: + seg_start = co + elif not border and seg_start is not None: + c.line(x0 + seg_start * cell, y0 - (r + 1) * cell, + x0 + co * cell, y0 - (r + 1) * cell) + seg_start = None + if seg_start is not None: + c.line(x0 + seg_start * cell, y0 - (r + 1) * cell, + x0 + cols * cell, y0 - (r + 1) * cell) + + # Vertikální hrany + for co in range(cols - 1): + seg_start = None + for r in range(rows): + border = color_map[r][co] != color_map[r][co + 1] + if border and seg_start is None: + seg_start = r + elif not border and seg_start is not None: + c.line(x0 + (co + 1) * cell, y0 - seg_start * cell, + x0 + (co + 1) * cell, y0 - r * cell) + seg_start = None + if seg_start is not None: + c.line(x0 + (co + 1) * cell, y0 - seg_start * cell, + x0 + (co + 1) * cell, y0 - rows * cell) + + +def main(): + conn = connect_mysql(database="puzzle") + cur = conn.cursor() + cur.execute( + "SELECT difficulty, puzzle, solution, extra FROM puzzles " + "WHERE game_type='suguru' AND puzzle_date='2026-05-08' " + "ORDER BY FIELD(difficulty, '6x6', '8x8', '10x10') " + "LIMIT 1" + ) + row = cur.fetchone() + cur.close() + conn.close() + + if not row: + print("Žádná data.") + return + + difficulty, puzzle_str, solution_str, extra_json = row + extra = json.loads(extra_json) + grid_size = extra["grid_size"] + + color_map, clues, rows, cols = parse_puzzle(puzzle_str, grid_size) + solution = parse_solution(solution_str, rows, cols) + + page_w, page_h = A4 + board_cm = 11 + cell = board_cm * cm / max(rows, cols) + board_w = cols * cell + board_h = rows * cell + + c = Canvas(str(OUTPUT), pagesize=A4) + + # Zadání + x0 = (page_w - board_w) / 2 + y0 = page_h - 2 * cm + draw_suguru(c, x0, y0, cell, color_map, clues, rows, cols, + f"Suguru {difficulty} — 2026-05-08") + + # Řešení + y0_sol = y0 - board_h - 3 * cm + draw_suguru(c, x0, y0_sol, cell, color_map, clues, rows, cols, + "Řešení", solution=solution) + + c.save() + print(f"PDF uloženo: {OUTPUT}") + + +if __name__ == "__main__": + main() diff --git a/SběrDatRůzné/SudokuKiller/NOTES.md b/SběrDatRůzné/SudokuKiller/NOTES.md new file mode 100644 index 0000000..5199384 --- /dev/null +++ b/SběrDatRůzné/SudokuKiller/NOTES.md @@ -0,0 +1,88 @@ +# SudokuKiller — technické poznámky + +## Přehled skriptů + +### Stahování PDF (původní pipeline) + +| Skript | Popis | +|--------|-------| +| `stahni_killer_sudoku.py` | Stáhne puzzle + solution PDF z dailykillersudoku.com | +| `stahni_greater_than.py` | Stáhne Greater-Than variantu, přejmenuje existující | +| `import_do_mysql.py` | Importuje PDF soubory do MySQL tabulky `sudoku_killer` (binární bloby) | +| `30_BatchCrop.py` | Ořeže PDF (odstraní hlavičky/patičky), uloží zpět do DB | + +### Strukturovaná data (nový pipeline) + +| Skript | Popis | +|--------|-------| +| `stahni_killer_structured.py` | Stáhne strukturovaná data (cage definice + řešení) z webu do sdílené tabulky `puzzles` | +| `preskumaj_killer_data*.py` | Průzkumné skripty pro reverzní inženýrství datového formátu | + +## Zdroj dat + +Web: https://www.dailykillersudoku.com/ + +Každý puzzle má stránku `/puzzle/{N}` s inline JSON daty v HTML: +```javascript +DKS.puzzle = new DKS.Puzzle({ + "id": 376, + "date": "2009-05-04", + "difficulty": 4, + "board_base64": "AZoACQAE...", + "solution_base64": "AJoICQIG...", + "puzzle_type": 1 +}) +``` + +## Dekódování base64 + +### board_base64 +- 2 bajty header (puzzle_type, flags) +- 81 × 2 bajty = 162 bajtů — cage ID pro každou buňku (uint16 big-endian) +- N bajtů — součet pro každou klec (1 bajt = max 255) + +### solution_base64 +- 2 bajty header +- 81 bajtů — čísla řešení (řádek po řádku) + +## Typy puzzle + +| puzzle_type | game_type v DB | Popis | +|-------------|----------------|-------| +| 1 | `killer_sudoku` | Killer Sudoku — klece se součty | +| 2 | `killer_sudoku_gt` | Greater-Than Killer Sudoku — klece + nerovnosti | + +## Obtížnost + +Škála 1–10 (z webu), uložena v `difficulty`. + +## MySQL — původní tabulka `sudoku_killer` + +Obsahuje binární PDF v `file_puzzle` / `file_solution` / `file_puzzle_cropped`. +- 19 106 KillerSudoku (puzzle 1–31414, 2009–2026) +- 11 405 GreaterThan (puzzle 1730–31416, 2010–2026) + +## MySQL — sdílená tabulka `puzzles` + +Strukturovaná data (cage definice + řešení): +- `game_type` = `'killer_sudoku'` / `'killer_sudoku_gt'` +- `difficulty` = `'1'` až `'10'` +- `puzzle` = klece ve formátu `sum,r0c1r0c2|sum,r3c4r3c5|...` +- `solution` = flat string 81 číslic +- `extra` = `{"grid_size": 9, "puzzle_number": 376, "original_difficulty": 4}` +- `source` = `'dailykillersudoku.com'` + +## Layout a tisk + +V podadresáři `Testy/` jsou experimentální skripty pro: +- Ořezávání PDF (ray-cast detekce mřížky) +- Škálování a umístění 2 puzzle na A4 +- Layout konfigurace (`layouts.json`) + +## Závislosti + +- `requests`, `beautifulsoup4` — HTTP + HTML parsing +- `fitz` (PyMuPDF) — PDF manipulace, ray-cast cropping +- `pypdf` — PDF čtení/zápis +- `playwright` — průzkumné skripty (není potřeba pro produkční stahování) +- `tqdm` — progress bar diff --git a/SběrDatRůzné/SudokuKiller/export_original_pdf.py b/SběrDatRůzné/SudokuKiller/export_original_pdf.py new file mode 100644 index 0000000..439eed9 --- /dev/null +++ b/SběrDatRůzné/SudokuKiller/export_original_pdf.py @@ -0,0 +1,36 @@ +""" +Exportuje originální PDF puzzle z tabulky sudoku_killer pro porovnání. +""" + +import sys +from pathlib import Path + +sys.stdout.reconfigure(encoding="utf-8") +sys.path.insert(0, str(Path(__file__).parent.parent.parent / "Knihovny")) + +from mysql_db import connect_mysql + +OUTPUT_DIR = Path(__file__).parent + +conn = connect_mysql(database="puzzle") +cur = conn.cursor() +cur.execute( + "SELECT puzzle_number, file_puzzle, file_solution " + "FROM sudoku_killer WHERE puzzle_number = 31414" +) +row = cur.fetchone() +cur.close() +conn.close() + +if not row: + print("Puzzle 31414 nenalezen v sudoku_killer.") +else: + num, pdf_puzzle, pdf_solution = row + if pdf_puzzle: + path = OUTPUT_DIR / f"original_{num}_puzzle.pdf" + path.write_bytes(pdf_puzzle) + print(f"Uloženo: {path}") + if pdf_solution: + path = OUTPUT_DIR / f"original_{num}_solution.pdf" + path.write_bytes(pdf_solution) + print(f"Uloženo: {path}") diff --git a/SběrDatRůzné/SudokuKiller/killer_structured_data.json b/SběrDatRůzné/SudokuKiller/killer_structured_data.json new file mode 100644 index 0000000..0a3c8de --- /dev/null +++ b/SběrDatRůzné/SudokuKiller/killer_structured_data.json @@ -0,0 +1 @@ +[{"puzzle_number": 5, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-01-02", "puzzle": "7,r4c8r5c8|26,r0c7r0c8r1c7r1c8|26,r5c3r6c3r6c4r7c3r7c4|17,r3c2r4c1r4c2|22,r0c2r0c3r0c4r1c2r2c2|9,r5c0r5c1|15,r1c6r2c6r3c6|7,r6c5r7c5|15,r3c3r4c3|16,r0c5r0c6|17,r5c7r6c7|5,r2c7r2c8|21,r6c8r7c7r7c8r8c7r8c8|15,r3c4r4c4r5c4|24,r0c0r0c1r1c0r1c1r2c0|11,r6c0r6c1|9,r2c1r3c1|6,r8c2r8c3|10,r4c5r5c5|15,r1c3r2c3|10,r5c2r6c2r7c2|7,r3c7r3c8|31,r6c6r7c6r8c4r8c5r8c6|14,r4c6r4c7r5c6|18,r1c4r1c5r2c4r2c5r3c5|26,r7c0r7c1r8c0r8c1|6,r3c0r4c0", "solution": "524319768176845239938726541463971852259638174817452693741263985682594317395187426", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-01", "puzzle": "15,r4c7r4c8r5c8|9,r1c7r1c8|13,r6c8r7c8r8c8|20,r3c2r4c2r5c2|5,r0c2r0c3|23,r5c1r6c1r6c2r6c3|18,r1c2r1c3r2c2r2c3|19,r8c0r8c1r8c2r8c3r8c4|23,r3c3r4c3r4c4r4c5r5c5|35,r0c4r0c5r0c6r0c7r0c8|20,r6c5r6c6r7c5r7c6|16,r2c5r2c6r2c7r3c7|12,r8c5r8c6|16,r3c6r4c6r5c6|18,r0c0r1c0r2c0|17,r7c0r7c1|7,r3c0r4c0r4c1|13,r5c0r6c0|22,r0c1r1c1r2c1r3c1|12,r7c2r7c3r7c4|10,r2c4r3c4r3c5|18,r5c3r5c4r6c4|15,r1c4r1c5r1c6|16,r5c7r6c7r7c7r8c7|13,r2c8r3c8", "solution": "412378695573629481968154237289541376145736829736982514657813942894267153321495768", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-01-02", "puzzle": "11,r8c4r8c5|8,r5c0r6c0|24,r0c7r0c8r1c7r1c8|12,r6c8r7c8|20,r2c6r2c7r3c6r4c6|6,r0c0r0c1|5,r8c7r8c8|18,r4c2r5c2r6c1r6c2|7,r1c0r2c0|30,r7c0r7c1r8c0r8c1|5,r2c8r3c8|8,r0c3r0c4|23,r5c5r5c6r6c5r6c6|16,r1c1r2c1|5,r7c2r8c2|10,r3c0r4c0|20,r0c2r1c2r1c3|20,r3c7r4c7r5c7|18,r2c4r2c5r3c4r3c5|10,r7c3r7c4r8c3|19,r4c3r4c4r4c5|15,r0c5r1c4r1c5|24,r5c3r5c4r6c3r6c4|10,r3c1r4c1r5c1|16,r7c5r7c6r8c6|9,r4c8r5c8|4,r0c6r1c6|9,r6c7r7c7|23,r2c2r2c3r3c2r3c3", "solution": "428716359673945128195328764849653271216487593357192846532869417764231985981574632", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-02", "puzzle": "7,r6c2r6c3|15,r1c2r2c1r2c2|24,r7c7r8c5r8c6r8c7|33,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|20,r0c1r0c2r0c3r1c1|12,r6c6r6c7r7c6|14,r2c5r2c6|27,r4c6r4c7r4c8r5c7|26,r0c5r0c6r0c7r0c8r1c8|12,r6c1r7c1r7c2|17,r2c3r3c2r3c3|11,r5c0r6c0|16,r0c0r1c0r2c0r3c0|23,r6c4r7c3r7c4r7c5r8c4|7,r3c6r3c7|16,r5c1r5c2|32,r0c4r1c3r1c4r1c5r2c4|15,r5c8r6c8r7c8r8c8|12,r2c8r3c8|13,r5c5r5c6r6c5|11,r1c6r1c7r2c7|28,r7c0r8c0r8c1r8c2r8c3|14,r3c1r4c0r4c1r4c2", "solution": "678134925245789316319256874526971438183542697497863251754398162961427583832615749", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-01-01", "puzzle": "18,r5c2r5c3r6c2|12,r1c4r1c5|19,r7c0r8c0r8c1|15,r3c6r4c6|14,r0c4r0c5r0c6|15,r4c4r4c5r5c4|14,r1c6r1c7|17,r7c2r7c3r8c2|7,r4c2r4c3|16,r0c7r0c8r1c8|10,r6c3r6c4|8,r2c7r2c8r3c7|21,r7c4r8c3r8c4r8c5r8c6|27,r3c8r4c7r4c8r5c8r6c8|18,r0c0r0c1r1c0r1c1|25,r5c5r5c6r5c7r6c5r7c5|9,r3c0r3c1|16,r7c8r8c7r8c8|17,r4c0r5c0r6c0|41,r0c2r1c2r2c0r2c1r2c2r2c3r3c2r3c3|8,r6c1r7c1|14,r2c4r3c4|10,r4c1r5c1|4,r0c3r1c3|17,r6c6r6c7r7c6r7c7|13,r2c5r2c6r3c5", "solution": "549376182273148596186592743362754918495281637718963425651829374834617259927435861", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-01-01", "puzzle": "10,r4c8r5c8|16,r0c8r1c8|16,r7c3r7c4r8c3|5,r4c2r4c3|20,r0c0r0c1r0c2r1c0r2c0|13,r5c1r6c1|17,r2c3r3c2r3c3|10,r8c0r8c1|28,r3c0r4c0r4c1r5c0r6c0|27,r0c3r0c4r0c5r0c6r1c4|15,r6c2r6c3|3,r2c4r3c4|12,r8c4r8c5|4,r5c2r5c3|31,r1c1r1c2r1c3r2c1r2c2r3c1|10,r6c4r6c5r7c5|16,r2c5r3c5|14,r7c8r8c7r8c8|26,r4c4r4c5r5c4r5c5|8,r1c5r1c6|31,r6c6r6c7r6c8r7c6r7c7r8c6|11,r2c6r3c6|12,r4c6r5c6r5c7|14,r0c7r1c7r2c7r2c8|20,r7c0r7c1r7c2r8c2|16,r3c7r3c8r4c7", "solution": "421693587837542619569817423615429738942378156783165294258736941374951862196284375", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-03", "puzzle": "5,r6c5r7c5|14,r0c8r1c8r2c8|23,r8c3r8c4r8c5r8c6|44,r2c2r3c1r3c2r4c1r4c2r5c1r5c2r6c2|14,r0c3r0c4r0c5r0c6|19,r6c0r6c1r7c0r8c0|12,r1c5r2c5|16,r5c3r6c3r6c4|20,r0c0r1c0r2c0r2c1|10,r7c1r8c1|14,r2c3r2c4r3c3|17,r5c4r5c5|9,r0c1r1c1|21,r7c2r7c3r7c4r8c2|11,r3c4r3c5|20,r3c6r4c6r5c6|21,r0c2r1c2r1c3r1c4|19,r6c6r6c7r7c6r7c7r8c7|14,r3c0r4c0r5c0|25,r3c7r3c8r4c7r4c8r5c7r5c8|26,r0c7r1c6r1c7r2c6r2c7|23,r6c8r7c8r8c8|8,r4c3r4c4r4c5", "solution": "834621597265937814917845623748256931692314785153798462576183249389472156421569378", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-01-04", "puzzle": 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"23,r8c3r8c4r8c5r8c6|7,r4c8r5c7r5c8|8,r0c2r1c2|16,r7c2r7c3r8c2|12,r2c8r3c8|11,r0c0r0c1|18,r4c3r4c4r5c3r5c4|14,r1c4r1c5|17,r7c4r7c5r7c6|18,r2c0r3c0r4c0r5c0|14,r0c3r0c4r1c3|12,r5c5r5c6r6c6|6,r1c6r1c7r2c7|9,r7c7r8c7|8,r2c4r3c4|6,r0c5r0c6|19,r5c1r6c0r6c1|15,r2c1r3c1r4c1|9,r7c8r8c8|17,r3c7r4c7|23,r0c7r0c8r1c8|42,r3c2r4c2r5c2r6c2r6c3r6c4r6c5|11,r2c2r2c3r3c3|16,r7c0r7c1r8c0r8c1|13,r4c5r4c6|11,r1c0r1c1|8,r6c7r6c8|22,r2c5r2c6r3c5r3c6", "solution": "832741569746395128591826437417269385358417692629583714985634271164972853273158946", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-01-03", "puzzle": "7,r7c1r7c2r7c3|20,r4c3r4c4r4c5|15,r1c5r1c6r1c7|19,r4c8r5c7r5c8|16,r3c2r3c3|12,r0c1r0c2r0c3|11,r7c4r8c4|3,r4c6r4c7|11,r0c8r1c8|10,r5c3r6c3|9,r2c4r3c4|17,r0c5r0c6r0c7|9,r6c6r7c6|7,r5c0r5c1|10,r1c1r2c1|16,r6c5r7c5|20,r2c6r2c7r2c8r3c6|17,r0c0r1c0r2c0|16,r6c8r7c8r8c8|17,r5c2r6c0r6c1r6c2|14,r1c3r2c3|13,r6c7r7c7|10,r3c7r3c8|9,r1c2r2c2|16,r8c1r8c2r8c3|9,r5c4r6c4|5,r2c5r3c5|12,r7c0r8c0|15,r4c1r4c2|7,r0c4r1c4|13,r8c5r8c6r8c7|8,r5c5r5c6|12,r3c0r3c1r4c0", "solution": "945312786271968435638574912359721864487695123162843579816259347524137698793486251", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-01-03", "puzzle": 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"14,r5c8r6c8|13,r0c6r1c6|23,r6c7r7c7r7c8r8c8|28,r2c7r2c8r3c7r3c8r4c8|16,r0c1r0c2r1c2|12,r5c3r5c4r6c3r6c4|18,r0c7r0c8r1c7r1c8|11,r8c4r8c5|15,r4c3r4c4r4c5|11,r0c3r0c4|26,r7c0r7c1r8c0r8c1|20,r2c4r2c5r3c4r3c5|15,r7c6r8c6r8c7|23,r4c0r5c0r5c1r6c0r6c1|17,r0c0r1c0r1c1r2c1|3,r7c2r8c2|9,r2c0r3c0|22,r4c1r4c2r5c2r6c2|13,r1c3r1c4|10,r7c3r8c3|34,r2c2r2c3r3c1r3c2r3c3|25,r5c5r5c6r5c7r6c5r6c6|3,r0c5r1c5|9,r7c4r7c5|15,r2c6r3c6r4c6r4c7", "solution": "625471983379582461814693257187926534256834719943157628538249176462718395791365842", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 15, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-05", "puzzle": "20,r4c8r5c8r6c7r6c8|13,r1c1r2c1r2c2|27,r3c3r3c4r3c5r4c3r4c4r4c5|23,r0c0r0c1r0c2r0c3r1c0|19,r6c2r6c3r7c2r7c3|17,r1c7r2c6r2c7|20,r4c0r5c0r6c0r6c1|16,r1c2r1c3r2c3|14,r6c4r7c4r8c4|13,r2c0r3c0|16,r4c1r4c2r5c1|12,r0c4r1c4r2c4|19,r6c5r6c6r7c5r7c6|13,r3c1r3c2|35,r5c2r5c3r5c4r5c5r5c6|18,r1c5r1c6r2c5|23,r7c0r7c1r8c0r8c1r8c2r8c3|4,r3c6r3c7|15,r4c6r4c7r5c7|27,r0c5r0c6r0c7r0c8r1c8|32,r7c7r7c8r8c5r8c6r8c7r8c8|9,r2c8r3c8", "solution": "369128475412567893857943621576294318294831567138675942983412756625789134741356289", "extra": "{\"grid_size\": 9, \"puzzle_number\": 15, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 14, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-01-05", "puzzle": "38,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|15,r2c4r2c5|24,r3c4r3c5r4c5|8,r0c1r0c2|17,r6c8r7c8|16,r2c3r3c2r3c3r4c2|8,r3c8r4c8r5c8|17,r0c3r0c4r0c5|27,r7c3r8c3r8c4r8c5|9,r3c6r4c6|21,r3c0r4c0r5c0r5c1|25,r1c1r1c2r1c3r1c4r1c5r2c2|7,r7c4r7c5|35,r3c7r4c7r5c7r6c6r6c7r7c7|15,r5c2r6c2r6c3|45,r0c6r0c7r0c8r1c6r1c7r1c8r2c6r2c7r2c8|14,r7c6r8c6r8c7r8c8|14,r3c1r4c1|18,r5c5r5c6r6c4r6c5|18,r0c0r1c0r2c0r2c1|14,r4c3r4c4r5c3r5c4", "solution": "162854937974123856538796214756289341291437685843615792387542169429361578615978423", "extra": "{\"grid_size\": 9, \"puzzle_number\": 14, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-01-06", "puzzle": 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"13,r4c5r5c5r6c5|7,r2c3r3c3|10,r8c3r8c4|27,r3c5r3c6r4c6r4c7r4c8|18,r0c2r0c3r0c4|16,r6c0r6c1r7c0|19,r1c4r2c4r3c4r4c4|12,r7c5r8c5r8c6|20,r2c8r3c7r3c8|14,r0c5r0c6r0c7|33,r6c2r6c3r6c4r7c2r7c3r7c4r8c2|14,r1c5r2c5|12,r7c8r8c8|12,r4c2r4c3|10,r1c1r1c2r1c3|8,r5c8r6c8|9,r1c6r2c6|7,r4c0r5c0|9,r0c8r1c8|33,r5c6r5c7r6c6r6c7r7c6r7c7r8c7|9,r1c7r2c7|28,r5c1r5c2r5c3r5c4|37,r0c0r0c1r1c0r2c0r2c1r2c2r3c0|11,r7c1r8c0r8c1|17,r3c1r3c2r4c1", "solution": "486395721921746358735218649174562983263981574598473216857139462312654897649827135", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-06", "puzzle": "25,r5c3r6c2r6c3r6c4r7c3|25,r1c3r2c2r2c3r2c4r3c3|11,r7c8r8c7r8c8|19,r3c4r4c3r4c4r5c4|28,r0c0r0c1r1c0r2c0r2c1|26,r5c7r6c5r6c6r6c7|13,r2c5r2c6r2c7r3c7|16,r3c5r4c5r5c5|29,r0c2r0c3r0c4r0c5r1c4r1c5|15,r7c1r7c2|17,r2c8r3c8|18,r3c6r4c6r5c6|19,r0c7r0c8r1c8|12,r7c6r7c7r8c6|13,r3c0r4c0r5c0|7,r4c7r4c8|7,r1c1r1c2|22,r6c0r6c1r7c0r8c0r8c1|13,r3c1r4c1r5c1|7,r5c8r6c8|13,r0c6r1c6r1c7|31,r7c4r7c5r8c2r8c3r8c4r8c5|19,r3c2r4c2r5c2", "solution": "932451687761398254548672319256134978379285461814967532423716895687529143195843726", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-01-07", "puzzle": "15,r8c4r8c5|15,r3c8r4c8|17,r0c7r1c7|17,r7c0r7c1r7c2|7,r3c2r3c3|22,r0c3r0c4r1c3r2c3|11,r8c6r8c7|14,r5c1r5c2|5,r0c8r1c8|12,r6c7r7c6r7c7|17,r3c4r3c5r4c5|14,r0c5r0c6|3,r5c4r5c5|14,r1c4r1c5r2c4r2c5|13,r6c8r7c8r8c8|39,r3c6r3c7r4c6r4c7r5c6r5c7r5c8r6c6|24,r0c0r1c0r2c0r3c0r4c0|12,r5c0r6c0r6c1|5,r1c6r2c6|12,r8c0r8c1|12,r4c1r4c2|13,r0c1r1c1|11,r6c2r6c3|13,r2c7r2c8|21,r7c3r7c4r7c5r8c2r8c3|20,r4c3r4c4r5c3|15,r0c2r1c2r2c2|6,r6c4r6c5|6,r2c1r3c1", "solution": "264179583178635492953824167712563849539748216486912375627451938845396721391287654", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 27, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-07", "puzzle": "17,r5c5r6c5r7c5r7c6|26,r1c5r1c6r2c5r3c5|18,r4c2r4c3r4c4r4c5|21,r0c0r0c1r0c2r1c1r1c2|17,r6c7r7c7|3,r1c7r2c7|36,r2c8r3c7r3c8r4c7r4c8r5c7r5c8r6c8|30,r0c4r0c5r0c6r0c7|12,r7c3r7c4r8c3|29,r2c1r2c2r2c3r3c1r3c2|25,r5c1r5c2r6c1r6c2r6c3|10,r0c3r1c3r1c4|10,r7c8r8c8|15,r2c4r3c3r3c4|16,r5c3r5c4r6c4|12,r0c8r1c8|28,r7c1r7c2r8c0r8c1r8c2|21,r2c6r3c6r4c6r5c6r6c6|6,r6c0r7c0|7,r1c0r2c0|20,r8c4r8c5r8c6r8c7|26,r3c0r4c0r4c1r5c0", "solution": "542198673673452819189637425315849267864725931927361548438576192256913784791284356", "extra": "{\"grid_size\": 9, \"puzzle_number\": 27, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 20, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-01-07", "puzzle": "11,r6c5r6c6|9,r1c8r2c8|17,r3c8r4c8|29,r0c0r0c1r0c2r1c0r1c1r2c1|18,r6c3r7c3r8c3r8c4|10,r2c0r3c0|15,r4c0r5c0r5c1|36,r0c3r0c4r0c5r0c6r0c7r0c8r1c3r1c4|15,r6c7r6c8r7c7r7c8|27,r2c4r2c5r3c3r3c4r3c5r3c6|30,r6c0r7c0r8c0r8c1|9,r1c5r1c6|32,r7c5r7c6r8c5r8c6r8c7r8c8|6,r3c1r4c1|6,r6c1r7c1|30,r1c2r2c2r2c3r3c2r4c2|42,r4c3r4c4r5c3r5c4r5c5r5c6r6c4r7c4|18,r5c2r6c2r7c2r8c2|39,r1c7r2c6r2c7r3c7r4c7r5c7r5c8|6,r4c5r4c6", "solution": "296384715187265493435917826641539278328471569579826134752698341914753682863142957", "extra": "{\"grid_size\": 9, \"puzzle_number\": 20, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 28, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-01-08", "puzzle": "32,r6c8r7c7r7c8r8c6r8c7r8c8|15,r4c6r5c6|9,r1c5r1c6|7,r7c0r7c1|26,r2c8r3c7r3c8r4c8r5c8|14,r0c0r0c1r1c0|5,r4c7r5c7|11,r0c7r1c7|7,r6c2r7c2|27,r3c1r3c2r4c0r4c1|12,r0c2r0c3|13,r5c0r6c0|10,r0c8r1c8|17,r7c4r7c5|20,r3c3r3c4r4c3r4c4|13,r0c5r0c6|8,r5c1r6c1|8,r2c4r2c5|8,r8c0r8c1|8,r4c2r5c2|19,r1c1r1c2r2c1r2c2|12,r6c4r6c5|7,r2c6r2c7|24,r7c3r8c2r8c3r8c4r8c5|31,r3c5r3c6r4c5r5c3r5c4r5c5r6c3|17,r0c4r1c3r1c4r2c3|13,r6c6r6c7r7c6|12,r2c0r3c0", "solution": "253946781716825439984371256398614572647582913521739648862157394435298167179463825", "extra": "{\"grid_size\": 9, \"puzzle_number\": 28, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 29, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-01-08", "puzzle": "21,r4c5r5c5r5c6|18,r1c1r2c1r2c2|14,r6c7r6c8r7c7r7c8|15,r3c6r3c7r4c6r4c7|35,r0c0r0c1r0c2r0c3r1c0r2c0|12,r5c7r5c8|8,r2c3r2c4r2c5|26,r7c3r8c0r8c1r8c2r8c3|10,r3c8r4c8|5,r1c2r1c3|29,r6c3r6c4r6c5r7c4r8c4|14,r1c7r2c6r2c7|23,r7c5r8c5r8c6r8c7r8c8|10,r5c0r5c1|15,r0c4r1c4|21,r6c0r6c1r7c0r7c1|15,r3c3r3c4r3c5|13,r4c3r5c2r5c3|10,r1c5r1c6|11,r6c2r7c2|13,r3c0r4c0|7,r4c4r5c4|30,r0c5r0c6r0c7r0c8r1c8r2c8|11,r6c6r7c6|19,r3c1r3c2r4c1r4c2", "solution": "358976412621483759497125638862537194574819326913264875745398261286751943139642587", "extra": "{\"grid_size\": 9, \"puzzle_number\": 29, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-08", "puzzle": "12,r5c8r6c8|26,r1c5r1c6r2c6r2c7r3c7|33,r6c0r7c0r8c0r8c1r8c2|9,r4c0r5c0|8,r0c0r0c1|4,r6c5r7c5|40,r0c5r0c6r0c7r0c8r1c7r1c8r2c8r3c8|10,r8c3r8c4|12,r4c1r5c1|10,r0c2r0c3|30,r5c2r5c3r6c1r6c2r6c3r7c1r7c2|8,r2c2r2c3|29,r4c2r4c3r4c4r5c4r6c4|25,r1c0r1c1r2c0r2c1r3c0|11,r7c3r7c4|4,r3c1r3c2|8,r5c6r6c6|7,r1c2r1c3|24,r7c6r7c7r8c5r8c6r8c7|24,r3c3r3c4r3c5r4c5r5c5|12,r5c7r6c7|27,r0c4r1c4r2c4r2c5|13,r7c8r8c8|19,r3c6r4c6r4c7r4c8", "solution": "358274916192536478467198523531467892246985731789312645914653287825741369673829154", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 31, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-01-09", "puzzle": "19,r7c0r7c1r8c0r8c1|14,r4c5r4c6r5c6|9,r0c4r1c4|10,r6c4r6c5|7,r2c7r3c7|18,r0c2r0c3r1c3|17,r7c2r8c2r8c3|11,r4c7r4c8|13,r1c5r1c6|10,r6c6r6c7|15,r2c8r3c8|13,r0c5r0c6|10,r8c4r8c5|14,r3c1r4c1r5c1|14,r2c0r2c1|13,r7c3r7c4r7c5|10,r3c0r4c0|15,r0c7r0c8r1c7r1c8|7,r8c7r8c8|11,r5c7r5c8r6c8|8,r1c2r2c2|7,r7c6r8c6|8,r3c2r4c2|16,r0c0r1c0|14,r5c0r6c0r6c1|16,r2c3r2c4r3c4|17,r7c7r7c8|31,r3c3r4c3r4c4r5c3r5c4r5c5|3,r0c1r1c1|20,r5c2r6c2r6c3|15,r2c5r2c6r3c5r3c6", "solution": "924675813713824956685391247261947538857163492439258761196582374572436189348719625", "extra": "{\"grid_size\": 9, \"puzzle_number\": 31, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 36, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-10", "puzzle": "17,r7c8r8c8|6,r4c5r5c5|11,r2c2r3c2|9,r6c7r7c7|7,r3c0r4c0|38,r0c1r0c2r0c3r0c4r0c5r0c6r0c7|15,r5c7r5c8r6c8|11,r2c3r3c3|11,r7c0r8c0|8,r3c8r4c8|27,r0c0r1c0r1c1r1c2r2c0|12,r5c2r6c2|13,r2c4r3c4|11,r7c2r8c1r8c2|16,r5c0r5c1r6c0|10,r1c3r1c4r1c5|11,r5c6r6c6|15,r2c5r3c5|15,r8c3r8c4r8c5|10,r4c3r5c3|22,r0c8r1c6r1c7r1c8r2c8|6,r6c1r7c1|11,r2c6r3c6|10,r7c6r8c6r8c7|16,r4c4r5c4r6c4|25,r2c1r3c1r4c1r4c2|25,r6c3r6c5r7c3r7c4r7c5|17,r2c7r3c7r4c6r4c7", "solution": "381572694945163782627948351564297813298631475173485926819354267456729138732816549", "extra": "{\"grid_size\": 9, \"puzzle_number\": 36, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 32, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-01-09", "puzzle": "13,r8c4r8c5|10,r5c2r5c3r6c3|22,r1c0r2c0r3c0r4c0|13,r6c1r6c2|14,r2c5r3c5r3c6|7,r0c0r0c1|7,r8c7r8c8|13,r3c4r4c4r5c4|14,r2c6r2c7|15,r4c8r5c8r6c8r7c8|11,r3c7r3c8|12,r0c3r0c4|8,r5c5r6c4r6c5|23,r0c7r0c8r1c8r2c8|19,r7c1r7c2r7c3r7c4|20,r4c1r4c2r4c3|11,r0c5r0c6|16,r5c6r6c6|3,r2c1r3c1|17,r7c5r7c6r7c7r8c6|15,r4c5r4c6r4c7|18,r0c2r1c1r1c2r1c3|13,r5c7r6c7|7,r2c2r3c2|9,r8c2r8c3|13,r5c0r5c1|15,r1c4r1c5r1c6r1c7|26,r6c0r7c0r8c0r8c1|21,r2c3r2c4r3c3", "solution": "165849273847236159923571864214957638379468521586123947658314792731692485492785316", "extra": "{\"grid_size\": 9, \"puzzle_number\": 32, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 34, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-01-10", "puzzle": "15,r8c1r8c2r8c3r8c4|13,r5c0r5c1r6c0|10,r1c1r2c1|9,r6c6r7c6|11,r3c2r3c3|22,r0c1r0c2r0c3|17,r8c5r8c6r8c7|10,r5c5r5c6|12,r1c2r2c2|9,r6c7r7c7|15,r2c8r3c7r3c8|18,r0c4r0c5r0c6r0c7|13,r4c8r5c7r5c8|4,r2c3r2c4|10,r7c0r8c0|11,r4c1r4c2r4c3|8,r0c0r1c0r2c0|20,r5c2r6c1r6c2r7c1r7c2|7,r1c5r2c5r3c5|16,r7c4r7c5|14,r3c4r4c4r5c4|15,r1c3r1c4|18,r5c3r6c3r7c3|31,r1c6r1c7r2c6r2c7r3c6|18,r6c8r7c8r8c8|20,r4c5r4c6r4c7|11,r0c8r1c8|8,r6c4r6c5|20,r3c0r3c1r4c0", "solution": "169785234534962817278314695946531782781246953325879146892653471613497528457128369", "extra": "{\"grid_size\": 9, \"puzzle_number\": 34, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 33, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-09", "puzzle": 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"10,r5c0r6c0|14,r1c0r2c0|11,r6c8r7c8r8c8|13,r3c0r4c0|10,r0c0r0c1r1c1|15,r5c3r6c2r6c3|14,r1c2r1c3r2c2|7,r7c0r8c0|24,r3c5r4c4r4c5r4c6|27,r0c2r0c3r0c4r1c4|18,r5c4r6c4r6c5r6c6r6c7|9,r2c3r2c4r3c4|9,r8c3r8c4|8,r3c8r4c8|30,r0c5r0c6r1c5r2c5r2c6|20,r6c1r7c1r8c1r8c2|5,r2c1r3c1|15,r7c6r8c6|22,r4c1r4c2r5c1r5c2|13,r0c7r0c8r1c8|12,r7c2r7c3|14,r3c2r3c3r4c3|15,r7c7r8c7|23,r4c7r5c5r5c6r5c7r5c8|18,r1c6r1c7r2c7r2c8|15,r7c4r7c5r8c5|14,r3c6r3c7", "solution": "147568923652397148839421576425739681981256437376184259798642315213975864564813792", "extra": "{\"grid_size\": 9, \"puzzle_number\": 35, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 37, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-01-11", "puzzle": 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"23,r5c1r6c1r6c2r7c1r7c2|6,r2c3r2c4|10,r7c8r8c8|7,r4c4r4c5|12,r1c3r1c4|11,r6c3r6c4|14,r2c5r2c6|29,r3c8r4c6r4c7r4c8r5c8|32,r0c1r0c2r0c3r0c4r0c5r1c5|12,r6c5r6c6|21,r0c0r1c0r2c0r3c0|15,r5c0r6c0r7c0r8c0|30,r0c6r0c7r1c6r1c7r2c7r2c8|9,r7c3r7c4|3,r3c2r3c3|12,r5c2r5c3|10,r0c8r1c8|34,r7c5r8c1r8c2r8c3r8c4r8c5|23,r3c4r3c5r3c6r3c7|19,r5c4r5c5r5c6r5c7|20,r1c1r1c2r2c1r2c2r3c1|27,r6c7r6c8r7c6r7c7r8c6r8c7|26,r4c0r4c1r4c2r4c3", "solution": "895631274421758396376429581642185739987243165513976428739564812264817953158392647", "extra": "{\"grid_size\": 9, \"puzzle_number\": 44, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 45, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-13", "puzzle": 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"30,r6c7r6c8r7c7r7c8r8c7r8c8|10,r4c6r4c7|9,r1c2r2c2|7,r4c8r5c8|12,r2c5r3c5|17,r0c3r0c4r0c5r1c3r1c5|13,r7c2r7c3|11,r4c0r5c0|13,r1c4r2c4|36,r6c0r6c1r7c0r7c1r8c0r8c1|11,r3c6r3c7|10,r0c0r1c0|6,r7c5r7c6|5,r5c1r5c2|8,r1c6r2c6|10,r6c2r6c3|18,r2c7r2c8r3c8|17,r0c1r0c2r1c1|10,r8c2r8c3|6,r4c3r5c3|17,r2c0r2c1r3c0|10,r5c4r6c4|11,r4c1r4c2|19,r0c6r0c7r1c7|7,r7c4r8c4|14,r4c5r5c5|10,r3c1r3c2|12,r6c5r6c6|11,r3c4r4c4|7,r0c8r1c8|8,r8c5r8c6|10,r5c6r5c7|10,r2c3r3c3", "solution": "138247695965381742274659138819423567547196283623578914751934826386712459492865371", "extra": "{\"grid_size\": 9, \"puzzle_number\": 52, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 53, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-16", "puzzle": 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"8,r4c7r5c6r5c7|19,r0c4r1c4r1c5|13,r7c7r8c7|12,r2c8r3c8r4c8|37,r0c5r0c6r0c7r0c8r1c6r2c6|5,r6c3r6c4|17,r1c7r1c8r2c7r3c7|25,r5c8r6c7r6c8r7c8r8c8|17,r4c3r4c4r4c5|28,r0c0r1c0r2c0r2c1r3c0|20,r5c1r6c1r7c0r7c1|9,r2c4r2c5|33,r6c2r7c2r8c0r8c1r8c2r8c3|19,r4c0r5c0r6c0|4,r0c1r1c1|11,r7c3r7c4r8c4|16,r3c1r3c2r4c1|13,r4c2r5c2r5c3r5c4|11,r0c2r1c2|12,r7c5r8c5|19,r2c2r2c3r3c3|24,r5c5r6c5r6c6|7,r0c3r1c3|7,r7c6r8c6|19,r3c4r3c5r3c6r4c6", "solution": "214563879837294615569781432725316984491872356683459127952148763348627591176935248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 57, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 58, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-01-18", "puzzle": 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"22,r4c8r5c8r6c8r7c8|32,r0c0r1c0r1c1r2c0r2c1r2c2|15,r7c2r8c2|14,r3c7r3c8r4c6r4c7|13,r0c1r0c2r1c2|13,r6c1r7c1|23,r2c3r2c4r2c5r3c4|26,r7c3r7c5r8c3r8c4r8c5|18,r4c4r5c4r6c4r7c4|17,r0c6r0c7r1c6|9,r6c2r6c3|28,r0c8r1c7r1c8r2c6r2c7r2c8|13,r7c6r8c6|19,r4c0r5c0r6c0r7c0|3,r0c3r1c3|11,r6c5r6c6|23,r3c0r3c1r4c1r4c2|5,r8c7r8c8|15,r4c3r5c1r5c2r5c3|14,r0c4r1c4|11,r6c7r7c7|11,r3c2r3c3|21,r4c5r5c5r5c6r5c7|12,r0c5r1c5|9,r8c0r8c1|8,r3c5r3c6", "solution": "431285769259167483876943152913872645785694231624351978542718396198436527367529814", "extra": "{\"grid_size\": 9, \"puzzle_number\": 62, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 61, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-01-19", "puzzle": 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"7,r7c8r8c8|16,r5c2r5c3r6c2|18,r0c7r0c8r1c7r1c8|11,r5c1r6c1r7c1|41,r3c0r3c1r3c2r3c3r3c4r4c0r4c1r5c0|17,r0c0r0c1r0c2|6,r4c7r5c7|8,r2c0r2c1|6,r7c2r7c3|16,r3c7r3c8r4c8|13,r0c5r0c6|21,r6c0r7c0r8c0|9,r2c2r2c3|29,r6c6r6c7r7c6r7c7r8c6r8c7|12,r4c2r4c3|10,r1c0r1c1|11,r6c3r6c4|15,r2c4r2c5r3c5|8,r8c1r8c2|9,r4c4r4c5r5c4|22,r0c3r0c4r1c2r1c3|25,r5c5r5c6r6c5r7c5|14,r1c6r2c6|21,r7c4r8c3r8c4r8c5|9,r3c6r4c6|5,r1c4r1c5|17,r5c8r6c8|9,r2c7r2c8", "solution": "782519436649732581351846927176385294298461753534927618823654179965178342417293865", "extra": "{\"grid_size\": 9, \"puzzle_number\": 73, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 74, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-01-23", "puzzle": "21,r5c7r6c7r7c6r7c7r8c6|21,r1c1r2c0r2c1r3c0|17,r3c5r3c6r4c5r5c5r5c6|16,r0c0r0c1r1c0|7,r7c2r8c2|12,r2c5r2c6|11,r4c2r4c3|20,r0c4r0c5r1c4r1c5|28,r6c2r6c3r6c4r7c3r8c3|34,r0c6r1c6r1c7r2c7r3c7|9,r4c6r4c7|8,r0c7r0c8|15,r7c0r8c0r8c1|37,r1c8r2c8r3c8r4c8r5c8r6c8r7c8|23,r5c0r6c0r6c1r7c1|8,r0c2r1c2|21,r7c4r7c5r8c4r8c5|26,r3c1r3c2r4c0r4c1r5c1r5c2|9,r6c5r6c6|18,r0c3r1c3r2c2r2c3r2c4|10,r8c7r8c8|34,r3c3r3c4r4c4r5c3r5c4", "solution": "695432817143587962782169345214895673569273184837641259378914526951726438426358791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 74, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 75, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-23", "puzzle": 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"4,r5c5r5c6|11,r2c0r2c1r3c0|15,r7c2r7c3r8c3r8c4|7,r3c2r4c2|6,r0c5r0c6|20,r5c1r6c0r6c1|12,r2c3r2c4|14,r8c0r8c1r8c2|10,r3c3r4c3|16,r0c7r0c8|24,r5c4r6c4r6c5r7c4|21,r1c6r2c5r2c6r3c6|14,r7c5r8c5|13,r3c4r3c5r4c4|10,r0c0r1c0|28,r5c7r6c6r6c7r7c6r8c6|9,r1c7r2c7|20,r7c7r7c8r8c7r8c8|36,r3c7r3c8r4c5r4c6r4c7r4c8|37,r0c1r0c2r0c3r1c1r1c2r1c3r2c2|3,r5c8r6c8|9,r1c8r2c8|25,r5c2r5c3r6c2r6c3|14,r0c4r1c4r1c5|8,r7c0r7c1|19,r3c1r4c0r4c1r5c0", "solution": "382641597759382416164759283491275638236814975578963142943527861627198354815436729", "extra": "{\"grid_size\": 9, \"puzzle_number\": 77, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 78, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-24", "puzzle": "12,r5c8r6c8r7c8|39,r2c1r2c2r2c3r2c4r2c5r2c6r3c1r3c2|27,r3c7r4c6r4c7r5c7r6c7|8,r0c7r0c8|28,r5c3r6c3r6c4r6c5r7c4|36,r0c6r1c6r1c7r1c8r2c7r2c8|9,r4c1r5c1|30,r0c0r0c1r0c2r1c0r1c1r1c2|18,r7c0r7c1r8c0|22,r2c0r3c0r4c0r5c0|15,r3c3r4c2r4c3r5c2|14,r0c3r1c3|21,r7c2r7c3r8c1r8c2r8c3|4,r3c5r3c6|24,r5c5r5c6r6c6r7c6r7c7|8,r0c4r1c4|14,r7c5r8c4r8c5|11,r3c8r4c8|13,r6c0r6c1r6c2|9,r0c5r1c5|22,r8c6r8c7r8c8|21,r3c4r4c4r4c5r5c4", "solution": "412976853698513742573248169259761384864352917731489625346895271985127436127634598", "extra": "{\"grid_size\": 9, \"puzzle_number\": 78, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 79, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-01-25", "puzzle": "15,r7c6r8c5r8c6|7,r3c7r4c7|14,r1c7r1c8r2c7|17,r5c7r6c6r6c7r7c7|9,r2c8r3c8|15,r0c0r0c1r1c0|18,r7c8r8c7r8c8|11,r5c0r6c0|14,r1c1r2c1r2c2r3c1|18,r6c1r7c0r7c1|10,r4c1r5c1|20,r0c2r0c3r1c2|14,r5c3r5c4r6c4|9,r1c3r2c3|9,r6c3r7c3r8c3|15,r3c2r4c2r5c2|17,r0c6r0c7r0c8|18,r4c8r5c8r6c8|13,r1c6r2c6|10,r7c4r8c4|29,r3c3r4c3r4c4r4c5r5c5|11,r0c4r1c4|7,r6c2r7c2|13,r2c0r3c0r4c0|16,r8c0r8c1r8c2|9,r3c6r4c6r5c6|12,r0c5r1c5r2c5|17,r6c5r7c5|18,r2c4r3c4r3c5", "solution": "817435926629781543354296871135927468962854317748613259496578132271349685583162794", "extra": "{\"grid_size\": 9, \"puzzle_number\": 79, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 80, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-25", "puzzle": 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"35,r5c2r5c3r5c4r5c5r5c6r6c2r6c6|16,r0c8r1c8r2c8|7,r8c2r8c3|17,r3c5r4c5r4c6|23,r0c2r0c3r0c4r0c5r0c6|16,r6c0r7c0|12,r2c1r3c1|10,r7c4r8c4|11,r3c8r4c8|15,r0c0r1c0r2c0|20,r6c1r7c1r7c2r7c3|12,r2c7r3c7|14,r8c5r8c6|14,r4c1r5c0r5c1|23,r0c1r1c1r1c2r2c2r3c2|18,r6c7r7c5r7c6r7c7|9,r3c0r4c0|11,r8c7r8c8|16,r4c7r5c7r5c8|36,r1c3r1c4r1c5r2c3r2c4r2c5|6,r6c8r7c8|14,r3c3r4c2r4c3|15,r6c3r6c4r6c5|19,r0c7r1c6r1c7r2c6r3c6|6,r8c0r8c1|10,r3c4r4c4", "solution": "428513697571496328639728451894362175152947836367851249713285964985634712246179583", "extra": "{\"grid_size\": 9, \"puzzle_number\": 81, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 82, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-01-26", "puzzle": 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"16,r7c5r8c5r8c6|16,r5c2r5c3r6c3|7,r0c8r1c8|12,r6c6r7c6|24,r3c1r4c0r4c1r5c0r6c0|37,r0c1r0c2r0c3r0c4r0c5r0c6r0c7|3,r8c7r8c8|5,r5c4r6c4|14,r2c4r3c4r4c4|11,r7c7r7c8|14,r4c2r4c3|13,r0c0r1c0|19,r5c5r5c6r6c5|7,r2c0r3c0|13,r8c0r8c1|5,r4c5r4c6|12,r1c1r1c2r2c1|15,r5c7r6c7|18,r2c2r2c3r3c2r3c3|12,r7c3r8c2r8c3|19,r3c7r4c7r4c8r5c8r6c8|17,r1c3r1c4r1c5|17,r7c0r7c1|26,r2c5r2c6r3c5r3c6|14,r7c4r8c4|5,r5c1r6c1|13,r1c6r1c7r2c7|6,r6c2r7c2|15,r2c8r3c8", "solution": "519476283862953174347128659498235716756891432123647895235714968981562347674389521", "extra": "{\"grid_size\": 9, \"puzzle_number\": 83, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 84, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-26", "puzzle": 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"12,r8c7r8c8|17,r4c1r5c1r6c1|3,r1c6r1c7|16,r7c0r7c1r8c0r8c1|7,r3c5r3c6r4c5|14,r0c0r0c1r1c0|7,r4c4r5c4|13,r0c8r1c8|12,r7c2r7c3|12,r2c8r3c8|10,r0c4r0c5|13,r5c5r5c6|23,r1c1r2c1r2c2r2c3r3c1|27,r7c4r7c5r7c6r7c7r8c6|34,r3c2r3c3r4c2r4c3r5c2r6c2|13,r0c6r0c7|23,r4c8r5c7r5c8r6c7r6c8r7c8|9,r2c6r2c7r3c7|7,r8c2r8c3|16,r4c6r4c7|19,r0c2r0c3r1c2r1c3|11,r5c3r6c3|13,r2c0r3c0|14,r8c4r8c5|14,r4c0r5c0r6c0|14,r1c4r1c5|17,r6c4r6c5r6c6|15,r2c4r2c5r3c4", "solution": "921364587348795216756128349679851423584632791132947658865279134497513862213486975", "extra": "{\"grid_size\": 9, \"puzzle_number\": 85, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 86, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-01-27", "puzzle": "11,r4c7r5c7r5c8|14,r0c6r1c6|28,r7c4r8c2r8c3r8c4r8c5|18,r3c7r3c8r4c8|11,r0c1r0c2|39,r4c2r5c1r5c2r5c3r6c3r6c4r7c3|25,r1c1r1c2r2c0r2c1r3c1|14,r8c7r8c8|7,r4c5r4c6|19,r0c4r0c5r1c5|6,r6c8r7c8|17,r2c2r2c3r3c2|25,r3c0r4c0r4c1r5c0r6c0|16,r0c7r0c8r1c7r1c8|11,r6c1r6c2r7c1r7c2|20,r2c5r2c6r3c5r3c6|24,r3c3r4c3r4c4r5c4r5c5|9,r0c0r1c0|25,r6c7r7c5r7c6r7c7r8c6|11,r2c7r2c8|16,r5c6r6c5r6c6|8,r0c3r1c3r1c4|19,r7c0r8c0r8c1|12,r2c4r3c4", "solution": "765429813294138657318756429582371946147965238639842571953614782821597364476283195", "extra": "{\"grid_size\": 9, \"puzzle_number\": 86, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 87, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-27", "puzzle": "24,r6c4r6c5r6c6r6c7r7c5r7c6|19,r1c7r1c8r2c8|16,r8c6r8c7r8c8|17,r4c3r4c4|7,r0c0r0c1|14,r5c0r6c0r7c0r7c1|14,r2c1r2c2|31,r3c5r3c6r4c5r4c6r5c5r5c6|15,r0c6r0c7r0c8|9,r7c2r8c2|30,r1c5r1c6r2c4r2c5r2c6r2c7|15,r3c7r4c7r5c7|20,r1c0r1c1r2c0r3c0|33,r6c3r7c3r7c4r8c3r8c4r8c5|21,r3c1r3c2r3c3r3c4|19,r5c1r5c2r5c3r5c4|5,r0c2r1c2|17,r6c8r7c7r7c8|15,r3c8r4c8r5c8|13,r6c1r6c2|26,r0c3r0c4r0c5r1c3r1c4r2c3|12,r8c0r8c1|13,r4c0r4c1r4c2", "solution": "613749852842315796759268134187423965265987413394156287576892341428631579931574628", "extra": "{\"grid_size\": 9, \"puzzle_number\": 87, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 89, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-01-28", "puzzle": 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"11,r8c6r8c7|19,r5c5r5c6r6c5|16,r1c5r1c6|19,r6c4r7c4r8c4|18,r3c1r4c1r4c2|16,r0c1r0c2r0c3|15,r7c8r8c8|10,r6c2r6c3|22,r2c0r2c1r3c0|7,r7c5r8c5|18,r3c5r4c4r4c5r5c4|19,r0c5r0c6r0c7r0c8|6,r5c7r6c7|31,r1c3r2c2r2c3r2c4r2c5r3c2r3c4|16,r6c6r7c6r7c7|14,r3c7r4c6r4c7r4c8|11,r0c0r1c0|11,r5c8r6c8|18,r1c7r1c8r2c7|12,r8c0r8c1|22,r4c0r5c0r5c1r6c0r6c1|3,r1c1r1c2|3,r7c0r7c1|10,r2c6r3c6|10,r8c2r8c3|22,r3c3r4c3r5c2r5c3|8,r0c4r1c4|14,r7c2r7c3|4,r2c8r3c8", "solution": "769132485421859736583467291952614873876593124134728659647385912215976348398241567", "extra": "{\"grid_size\": 9, \"puzzle_number\": 88, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 90, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-28", "puzzle": "11,r5c4r5c5r6c4|27,r1c4r1c5r1c6r2c4r2c5|32,r4c0r4c1r5c0r5c1r6c0|24,r0c0r0c1r1c0r2c0r2c1|21,r5c8r6c7r6c8|11,r3c0r3c1|24,r4c5r4c6r5c6r5c7|13,r0c2r0c3|14,r7c0r7c1r8c0r8c1|18,r2c2r3c2r4c2|8,r4c7r4c8|9,r0c4r0c5r0c6|39,r6c5r7c3r7c4r7c5r8c3r8c4r8c5|18,r2c3r3c3r4c3r4c4|7,r5c2r5c3|12,r1c1r1c2r1c3|9,r6c6r7c6r7c7|15,r3c4r3c5|23,r6c1r6c2r6c3r7c2r8c2|26,r0c7r0c8r1c7r1c8r2c8|23,r7c8r8c6r8c7r8c8|21,r2c6r2c7r3c6r3c7r3c8", "solution": "579461283613827495428395671296578134854913726731642958982154367347286519165739842", "extra": "{\"grid_size\": 9, \"puzzle_number\": 90, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 91, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-01-29", "puzzle": "14,r8c5r8c6|18,r4c0r5c0r6c0|14,r0c6r1c6|22,r7c0r7c1r7c2r7c3|15,r2c6r3c6|11,r0c0r0c1r1c0|6,r8c7r8c8|10,r5c1r5c2|22,r1c1r2c1r3c1r4c1|22,r7c5r7c6r7c7r7c8|10,r2c8r3c8|16,r0c3r0c4r0c5|10,r5c6r5c7|11,r2c3r2c4r2c5r3c4|9,r8c0r8c1|23,r3c3r4c2r4c3|8,r0c7r0c8r1c8|19,r4c8r5c8r6c8|21,r1c7r2c7r3c7r4c7|12,r8c2r8c3|16,r4c4r5c4r6c4|7,r0c2r1c2|16,r5c3r6c1r6c2r6c3|9,r2c0r3c0|5,r7c4r8c4|13,r3c5r4c5r4c6|20,r1c3r1c4r1c5|15,r5c5r6c5r6c6r6c7|11,r2c2r3c2", "solution": "715286943362794581894153726137925864946837152528461379451679238683512497279348615", "extra": "{\"grid_size\": 9, \"puzzle_number\": 91, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 92, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-01-29", "puzzle": "5,r6c2r7c2|17,r0c8r1c7r1c8r2c8|26,r6c8r7c7r7c8r8c8|9,r4c2r4c3|19,r0c2r0c3r0c4r0c5r1c3|16,r5c3r6c3r6c4|9,r1c2r2c2|24,r7c3r8c2r8c3r8c4r8c5|12,r3c4r4c4r5c4|14,r0c6r0c7|10,r6c6r7c6|24,r2c3r2c4r3c3|6,r8c6r8c7|18,r4c5r4c6r4c7|33,r0c0r1c0r2c0r3c0r3c1r3c2|27,r5c0r5c1r5c2r6c0r7c0r8c0|7,r1c6r2c6|9,r3c8r4c8r5c8|14,r0c1r1c1r2c1|19,r6c1r7c1r8c1|23,r2c7r3c5r3c6r3c7|21,r5c5r5c6r5c7r6c7|14,r1c4r1c5r2c5|21,r6c5r7c4r7c5|8,r4c0r4c1", "solution": "945172683783465219126983574862759341357241896419836752571624938234598167698317425", "extra": "{\"grid_size\": 9, \"puzzle_number\": 92, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 93, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-29", "puzzle": "16,r5c0r6c0|23,r0c7r1c7r2c7r3c7|45,r6c6r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|18,r2c8r3c8r4c8r5c8|8,r0c2r0c3|20,r3c1r4c0r4c1r5c1r6c1|8,r0c8r1c8|11,r8c0r8c1|5,r4c2r4c3|12,r0c5r0c6|25,r5c2r5c3r6c2r6c3|4,r2c4r3c4|20,r8c2r8c3r8c4r8c5|18,r4c4r4c5r5c4r5c5|12,r0c0r0c1r1c0|8,r6c4r6c5|13,r2c0r3c0|11,r4c6r5c6|19,r1c1r1c2r2c1r2c2|22,r7c0r7c1r7c2r7c3|10,r2c3r3c2r3c3|7,r4c7r5c7|35,r0c4r1c3r1c4r1c5r1c6|11,r7c4r7c5|24,r2c5r2c6r3c5r3c6", "solution": "196254837235798641847316592521639478384127965769845213913562784472983156658471329", "extra": "{\"grid_size\": 9, \"puzzle_number\": 93, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 94, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-01-30", "puzzle": "6,r7c5r7c6|12,r4c6r5c6|16,r1c0r1c1r2c0r2c1|18,r6c3r7c2r7c3|13,r2c6r3c6|19,r0c0r0c1r0c2|11,r7c1r8c1r8c2|10,r3c7r4c7|6,r2c2r2c3r3c3|7,r6c4r7c4|17,r3c0r3c1r4c0r5c0|20,r0c3r0c4r0c5|20,r8c3r8c4r8c5|14,r3c8r4c8r5c7r5c8|10,r1c4r2c4|6,r5c5r6c5r6c6|15,r4c1r5c1|11,r0c6r0c7r1c7|18,r8c6r8c7r8c8|9,r5c2r6c2|14,r1c5r1c6r2c5|24,r6c7r6c8r7c7r7c8|11,r3c2r4c2|15,r1c2r1c3|15,r5c3r5c4|15,r2c7r2c8|10,r7c0r8c0|14,r4c3r4c4r4c5|7,r0c8r1c8|11,r6c0r6c1|11,r3c4r3c5", "solution": "685497312349621875271385496713256984568149723492873561837562149956714238124938657", "extra": "{\"grid_size\": 9, \"puzzle_number\": 94, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 95, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-01-30", "puzzle": 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"14,r8c6r8c7|12,r3c7r4c7r5c7|22,r0c8r1c7r1c8|14,r7c0r7c1r7c2r7c3|26,r2c8r3c8r4c8r5c8r6c8|20,r0c0r0c1r0c2r0c3|9,r5c0r6c0|22,r2c1r2c2r2c3r3c1|21,r7c4r7c5r7c6|15,r4c0r4c1|12,r0c4r0c5|24,r5c3r5c4r6c4|18,r2c5r3c5r3c6|12,r7c7r7c8r8c8|13,r3c2r4c2r5c2|6,r0c6r0c7|14,r5c1r6c1r6c2r6c3|6,r2c6r2c7|21,r8c0r8c1r8c2r8c3|7,r4c3r4c4|24,r1c0r1c1r1c2r1c3|15,r5c5r5c6r6c5|11,r2c0r3c0|8,r8c4r8c5|11,r4c5r4c6|6,r1c4r1c5r1c6|8,r6c6r6c7|14,r2c4r3c3r3c4", "solution": "632948157548721369917563428294357816783612945156894273861279534325486791479135682", "extra": "{\"grid_size\": 9, \"puzzle_number\": 97, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 98, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-31", "puzzle": "19,r7c5r8c5r8c6|15,r5c5r5c6r6c6|10,r2c2r2c3r3c3|16,r7c0r7c1r7c2|14,r3c2r4c1r4c2|16,r0c0r0c1r0c2|6,r8c7r8c8|10,r5c0r6c0|17,r2c5r2c6r3c5|16,r7c6r7c7r7c8|22,r4c3r4c4r4c5r5c4|11,r0c6r0c7r0c8|16,r5c1r6c1|30,r1c6r1c7r2c7r3c7|10,r8c0r8c1|12,r3c6r4c6r4c7|30,r0c3r0c4r0c5r1c3r1c4r1c5|15,r6c3r6c4r6c5|4,r1c8r2c8|20,r7c3r8c2r8c3|14,r3c8r4c8|13,r1c0r2c0|7,r5c7r6c7|12,r2c4r3c4|3,r7c4r8c4|10,r5c2r5c3r6c2|16,r1c1r1c2r2c1r3c1|11,r5c8r6c8|10,r3c0r4c0", "solution": "367189542519642783842357961428571396651493278973268154195834627286715439734926815", "extra": "{\"grid_size\": 9, \"puzzle_number\": 98, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 99, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-01-31", "puzzle": 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"20,r8c1r8c2r8c3|3,r4c7r4c8|19,r1c0r2c0r3c0|6,r6c7r7c7|10,r4c0r4c1|18,r0c0r0c1r0c2|17,r8c6r8c7r8c8|9,r5c0r5c1r6c0|5,r1c1r2c1|14,r5c8r6c8r7c8|13,r4c2r5c2|12,r0c5r0c6r0c7|23,r2c4r3c4r4c4r5c4r6c4|3,r2c2r2c3|9,r7c0r8c0|14,r4c3r5c3|36,r0c3r0c4r1c2r1c3r1c4r1c5r2c5|13,r5c5r5c6r5c7|16,r2c6r2c7|9,r7c1r7c2|8,r3c5r4c5|8,r1c6r1c7|7,r6c1r6c2|23,r3c1r3c2r3c3|38,r6c3r7c3r7c4r7c5r7c6r8c4r8c5|11,r3c6r4c6|12,r0c8r1c8|13,r6c5r6c6|16,r2c8r3c7r3c8", "solution": "675298134913457268842136795286913547739845621154672389361784952427569813598321476", "extra": "{\"grid_size\": 9, \"puzzle_number\": 100, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 101, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-02-01", "puzzle": 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"16,r6c2r6c3r7c3|10,r1c3r1c4|15,r8c2r8c3r8c4|32,r2c0r3c0r4c0r4c1r4c2r5c0r5c2|12,r0c0r0c1r1c0|28,r5c5r5c6r6c4r6c5r6c6|7,r1c6r1c7|10,r8c5r8c6|32,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|7,r0c2r0c3|6,r7c1r7c2|30,r2c2r2c3r2c4r3c2r3c3|13,r7c8r8c7r8c8|34,r3c6r3c8r4c6r4c7r4c8r5c8r6c8|12,r0c4r0c5r0c6|17,r7c4r7c5|19,r1c5r2c5r2c6|11,r5c1r6c1|24,r0c7r0c8r1c8r2c8|12,r7c6r7c7|7,r2c1r3c1|3,r5c7r6c7|13,r1c1r1c2|19,r6c0r7c0r8c0r8c1|16,r2c7r3c7", "solution": "726153489394287165815649372267814593951732648483965217539476821142398756678521934", "extra": "{\"grid_size\": 9, \"puzzle_number\": 113, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 110, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-02-04", "puzzle": "25,r4c4r4c5r4c6r5c4r6c4|14,r1c7r1c8|9,r7c1r8c1|15,r3c5r3c6|14,r0c3r0c4|13,r5c5r5c6r6c5r6c6|24,r0c2r1c1r1c2r2c0r2c1r2c2|8,r7c2r8c2|12,r3c7r3c8|21,r0c0r0c1r1c0|20,r6c0r6c1r7c0r8c0|7,r2c5r2c6|5,r7c3r8c3|5,r3c0r4c0|15,r1c3r2c3r2c4|17,r5c2r6c2|15,r2c7r2c8|14,r7c4r7c5r8c4|17,r4c7r4c8r5c7|13,r0c5r1c4r1c5|15,r5c3r6c3|11,r3c1r3c2r4c2|37,r5c8r6c8r7c8r8c5r8c6r8c7r8c8|20,r4c1r5c0r5c1|12,r0c6r0c7r0c8r1c6|17,r6c7r7c6r7c7|10,r3c3r3c4r4c3", "solution": "497685312823471659615923487261547893384192576579836241938764125752318964146259738", "extra": "{\"grid_size\": 9, \"puzzle_number\": 110, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 112, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-02-05", "puzzle": "8,r7c8r8c8|6,r5c5r5c6|21,r0c6r1c6r1c7r1c8r2c8|15,r7c6r7c7|22,r3c6r4c6r4c7r5c7r5c8|14,r0c3r0c4r0c5|15,r5c3r6c3r7c3r7c4r8c4|5,r2c5r2c6|11,r8c0r8c1|13,r3c8r4c8|14,r0c7r0c8|13,r6c5r6c6|10,r2c1r3c0r3c1|14,r7c2r8c2r8c3|11,r4c0r4c1r5c0|31,r0c0r0c1r1c0r1c1r2c0|4,r6c7r6c8|27,r2c2r2c3r3c2r4c2r4c3|14,r7c5r8c5|21,r5c1r5c2r6c2|5,r0c2r1c2|7,r6c0r7c0|20,r3c3r3c4r3c5|13,r8c6r8c7|17,r4c4r4c5r5c4r6c4|27,r1c3r1c4r1c5r2c4|13,r6c1r7c1|14,r2c7r3c7", "solution": "713284659982756314654193287325947168469831725178562493296478531541329876837615942", "extra": "{\"grid_size\": 9, \"puzzle_number\": 112, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 114, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-05", "puzzle": 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"22,r5c7r5c8r6c6r6c7r7c7|12,r0c8r1c8r2c8|28,r8c4r8c5r8c6r8c7|13,r4c5r4c6|15,r0c0r0c1r1c0r2c0|29,r6c1r6c2r7c1r7c2r7c3|19,r1c4r2c3r2c4r2c5|9,r4c7r4c8|13,r0c2r0c3|11,r7c5r7c6|30,r1c7r2c6r2c7r3c7r3c8|24,r3c3r3c4r4c3r4c4r5c3r5c4|18,r0c4r0c5r0c6r0c7|15,r6c8r7c8r8c8|31,r3c0r3c1r4c0r5c0r5c1|6,r5c5r5c6|28,r1c1r1c2r1c3r2c1r2c2|17,r6c0r7c0r8c0r8c1|12,r3c5r3c6|19,r6c3r6c4r6c5r7c4|14,r1c5r1c6|6,r8c2r8c3|14,r3c2r4c1r4c2r5c2", "solution": "759481632234796851186352749943127568518639427672845193865913274497268315321574986", "extra": "{\"grid_size\": 9, \"puzzle_number\": 120, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 121, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-02-08", "puzzle": 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"14,r5c2r5c3r6c3|22,r1c6r1c7r1c8r2c8|8,r6c4r7c4|9,r3c7r3c8|36,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1|23,r5c5r5c6r5c7r6c5r7c5|5,r2c6r2c7|12,r7c7r7c8r8c7r8c8|13,r4c0r4c1r4c2|5,r0c3r1c3|22,r4c8r5c8r6c8|8,r3c0r3c1|17,r7c0r8c0|16,r4c4r4c5r5c4|13,r0c7r0c8|20,r6c6r6c7r7c6|22,r2c2r2c3r3c2|10,r7c3r8c3|6,r4c6r4c7|17,r0c4r1c4r2c4|21,r6c1r7c1r8c1r8c2|20,r3c3r3c4r4c3|18,r8c4r8c5r8c6|15,r5c0r5c1r6c0|17,r0c5r0c6r1c5|3,r6c2r7c2|13,r2c5r3c5r3c6", "solution": "627318594583294671149576328718945263364782159295163487472851936951637842836429715", "extra": "{\"grid_size\": 9, \"puzzle_number\": 124, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 126, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-09", "puzzle": 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"13,r7c7r8c7|9,r4c6r5c6|19,r1c1r1c2r2c0r2c1|8,r7c0r7c1|18,r1c6r2c6r3c6|16,r0c3r0c4r1c3|8,r7c8r8c8|15,r4c7r4c8r5c7|9,r2c2r2c3|19,r7c2r7c3r8c3|6,r3c5r4c5|9,r0c5r0c6|15,r5c1r6c1|7,r2c4r2c5|7,r7c4r7c5r7c6|7,r4c0r5c0r6c0|8,r0c7r0c8|15,r6c4r6c5|35,r1c7r1c8r2c7r2c8r3c7r3c8|17,r8c0r8c1r8c2|21,r5c2r5c3r6c2r6c3|19,r0c0r0c1r0c2r1c0|9,r6c6r6c7|28,r3c0r3c1r3c2r4c1r4c2|18,r8c4r8c5r8c6|14,r5c4r5c5|13,r1c4r1c5|5,r5c8r6c8|18,r3c3r3c4r4c3r4c4", "solution": "814697235623185794957243618349812576175364829268759143491578362536921487782436951", "extra": "{\"grid_size\": 9, \"puzzle_number\": 136, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 138, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-13", "puzzle": 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"21,r4c6r4c7r5c5r5c6r6c6|18,r0c6r1c6r2c6|35,r6c5r7c5r7c6r7c7r8c4r8c5r8c6|16,r2c7r2c8r3c7|17,r0c0r0c1|33,r3c8r4c8r5c7r5c8r6c7r6c8|14,r0c7r0c8r1c7r1c8|17,r7c8r8c7r8c8|13,r3c0r4c0r5c0|22,r0c2r0c3r1c2r1c3r2c3|23,r6c0r7c0r8c0r8c1|11,r2c4r2c5|14,r4c2r4c3r5c3r5c4|13,r1c0r1c1r2c0|9,r6c3r7c3|5,r2c1r3c1|16,r4c4r4c5|11,r0c4r1c4|9,r6c4r7c4|13,r2c2r3c2|22,r4c1r5c1r5c2r6c2|11,r0c5r1c5|26,r6c1r7c1r7c2r8c2r8c3|16,r3c3r3c4r3c5r3c6", "solution": "897642153653179842214583967749821536562397418138456729985264371421738695376915284", "extra": "{\"grid_size\": 9, \"puzzle_number\": 140, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 139, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-02-14", "puzzle": "24,r7c3r8c3r8c4r8c5|13,r5c2r5c3r5c4|14,r1c2r2c2r2c3|9,r6c5r6c6|15,r3c2r3c3r3c4|15,r0c3r0c4r0c5r1c3|16,r8c6r8c7r8c8|15,r5c5r5c6|16,r1c4r2c4|6,r6c7r7c7|6,r3c5r3c6|17,r0c6r0c7r0c8|26,r3c7r3c8r4c8r5c7r5c8|8,r2c5r2c6|6,r6c8r7c8|15,r3c1r4c1r4c2r5c1|23,r0c0r0c1r0c2r1c0|13,r6c1r7c1|8,r1c7r2c7|15,r7c0r8c0r8c1r8c2|15,r4c3r4c4r4c5|8,r1c5r1c6|20,r6c2r6c3r7c2|13,r1c8r2c8|16,r7c5r7c6|12,r4c6r4c7|9,r1c1r2c1|7,r6c4r7c4|25,r2c0r3c0r4c0r5c0r6c0", "solution": "957124368216893574483576219624385197591762483738419652379641825865237941142958736", "extra": "{\"grid_size\": 9, \"puzzle_number\": 139, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 141, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-14", "puzzle": 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"13,r7c0r8c0|13,r4c3r4c4|9,r1c2r1c3|10,r8c7r8c8|3,r6c0r6c1|22,r2c2r3c1r3c2|10,r0c2r0c3|13,r7c1r8c1|15,r4c6r4c7|19,r0c6r1c5r1c6|14,r6c3r6c4r7c4|7,r3c3r3c4|8,r0c4r0c5|15,r7c2r7c3|13,r3c8r4c8r5c8|12,r2c0r2c1|8,r3c6r3c7|37,r2c5r2c6r3c5r4c5r5c5r6c5r6c6|10,r0c7r0c8|9,r7c5r7c6r8c6|16,r5c1r5c2r6c2|15,r1c4r2c3r2c4|13,r6c7r7c7|9,r3c0r4c0r5c0|12,r0c0r1c0|13,r8c2r8c3|10,r5c3r5c4|8,r1c7r2c7|7,r6c8r7c8|6,r4c1r4c2|9,r0c1r1c1|9,r8c4r8c5|9,r5c6r5c7|9,r1c8r2c8", "solution": "826435719471869325935271864598346172142587693367192548213754986789623451654918237", "extra": "{\"grid_size\": 9, \"puzzle_number\": 142, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 143, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-02-15", "puzzle": "3,r4c5r5c5|27,r1c0r2c0r2c1r3c0r4c0|16,r6c8r7c7r7c8r8c8|29,r3c5r3c6r3c7r4c7|8,r0c0r0c1|9,r4c6r5c6|14,r2c2r2c3|4,r8c1r8c2|18,r5c0r5c1r6c1|10,r0c7r0c8|18,r5c7r5c8r6c7|10,r2c5r2c6|28,r7c3r7c5r8c3r8c4r8c5|11,r4c2r5c2|11,r0c2r1c1r1c2|13,r6c2r6c3r7c2|19,r1c8r2c7r2c8r3c8r4c8|15,r8c6r8c7|7,r4c3r5c3|30,r0c3r0c4r0c5r1c3r1c4r1c5|15,r6c5r6c6r7c6|18,r3c1r3c2r3c3r4c1|23,r4c4r5c4r6c4r7c4|18,r0c6r1c6r1c7|23,r6c0r7c0r7c1r8c0|8,r2c4r3c4", "solution": "173954628926813574548627319314568792689472153752391846267139485895746231431285967", "extra": "{\"grid_size\": 9, \"puzzle_number\": 143, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 144, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-15", "puzzle": "8,r6c6r6c7|30,r2c1r2c2r2c3r3c1r3c2r3c3|20,r4c2r4c3r4c4r4c5|11,r0c1r0c2|14,r7c1r7c2|14,r2c6r2c7|8,r4c6r4c7|17,r0c5r0c6r0c7r0c8r1c7|15,r7c3r7c4r8c3r8c4|36,r1c8r2c8r3c8r4c8r5c8r6c8r7c8|20,r5c0r6c0r7c0r8c0|5,r1c1r1c2|10,r7c5r7c6|20,r0c0r1c0r2c0r3c0|29,r5c4r5c5r5c6r5c7r6c4r6c5|19,r0c3r0c4r1c3r1c4|12,r8c1r8c2|26,r2c4r2c5r3c4r3c5r3c6r3c7|33,r5c1r5c2r5c3r6c1r6c2r6c3|15,r1c5r1c6|29,r7c7r8c5r8c6r8c7r8c8|14,r4c0r4c1", "solution": "865197342923548716147236958238651479591784623476923185712869534359472861684315297", "extra": "{\"grid_size\": 9, \"puzzle_number\": 144, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 145, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-02-16", "puzzle": "16,r8c7r8c8|12,r4c4r5c4|15,r1c1r2c0r2c1|11,r7c6r7c7|12,r4c2r4c3r5c3|11,r0c2r0c3|15,r5c6r5c7r5c8|6,r2c2r2c3|11,r7c0r8c0|8,r3c7r4c7|20,r0c4r0c5r0c6r1c5|14,r6c5r6c6r6c7|30,r2c4r2c5r3c5r4c5r4c6r5c5|9,r7c1r8c1|6,r3c8r4c8|21,r0c7r0c8r1c8r2c8|6,r6c8r7c8|13,r1c6r2c6r3c6|12,r6c2r7c2r8c2|27,r3c0r4c0r5c0r6c0r6c1|12,r0c0r0c1r1c0|16,r6c3r7c3|17,r1c7r2c7|15,r8c3r8c4r8c5r8c6|19,r4c1r5c1r5c2|12,r1c2r1c3r1c4|12,r6c4r7c4r7c5|27,r3c1r3c2r3c3r3c4", "solution": "728349156359216487461587293546893721832471965197652348673928514915764832284135679", "extra": "{\"grid_size\": 9, \"puzzle_number\": 145, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 146, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-02-16", "puzzle": "20,r4c6r5c6r5c7|6,r1c5r1c6|26,r6c0r7c0r7c1r8c0r8c1r8c2|8,r4c1r4c2|18,r0c7r0c8r1c7r1c8|19,r6c1r6c2r7c2|12,r2c5r2c6r3c6|13,r8c3r8c4|19,r2c8r3c8r4c7r4c8|28,r0c0r0c1r1c0r1c1r2c1|5,r6c3r7c3|16,r2c7r3c7|7,r8c5r8c6|17,r4c0r5c0|15,r0c2r0c3r1c2|10,r6c4r7c4|8,r2c0r3c0|30,r7c6r7c7r7c8r8c7r8c8|7,r5c1r5c2|12,r1c3r2c3r2c4|9,r5c8r6c7r6c8|16,r2c2r3c1r3c2|13,r4c3r5c3r5c4|22,r0c4r0c5r0c6r1c4|17,r6c5r6c6r7c5|32,r3c3r3c4r3c5r4c4r4c5r5c5", "solution": "265973418791584236348612795526198374917436582834725961689247153152369847473851629", "extra": "{\"grid_size\": 9, \"puzzle_number\": 146, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 148, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-02-17", "puzzle": "10,r6c6r7c6|10,r4c1r5c1|35,r1c2r1c3r1c5r1c6r2c3r2c4r2c5|10,r6c7r6c8|17,r2c2r3c2|3,r0c0r0c1|19,r7c7r7c8r8c7r8c8|11,r4c2r5c2r5c3|16,r0c4r1c4|28,r7c0r7c1r8c0r8c1|36,r3c3r3c4r3c5r4c3r4c4r4c5r5c4r6c4|10,r0c2r0c3|9,r8c2r8c3|15,r4c6r5c5r5c6|5,r1c7r1c8|4,r6c2r7c2|6,r2c6r3c6|13,r0c5r0c6|7,r7c4r8c4|17,r4c7r5c7|7,r2c0r2c1|15,r6c3r7c3|9,r3c7r3c8|10,r0c7r0c8|9,r8c5r8c6|12,r4c8r5c8|8,r2c7r2c8|12,r6c5r7c5|6,r4c0r5c0|14,r1c0r1c1|11,r6c0r6c1|11,r3c0r3c1", "solution": "217395846865471932349286571928547163176832495534169287653914728791628354482753619", "extra": "{\"grid_size\": 9, \"puzzle_number\": 148, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 149, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-02-17", "puzzle": "17,r5c6r6c6r7c6r7c7|14,r0c6r1c6r1c7|11,r8c0r8c1|23,r2c7r3c6r3c7|12,r0c2r0c3|7,r5c3r6c3|11,r1c1r2c0r2c1|24,r7c2r7c3r8c2r8c3|15,r3c3r3c4r3c5r4c3|6,r0c4r0c5|3,r5c7r6c7|19,r2c3r2c4r2c5r2c6|12,r7c5r8c4r8c5|9,r4c0r5c0|9,r0c7r0c8|9,r5c8r6c8|27,r1c8r2c8r3c8r4c7r4c8|16,r8c6r8c7|11,r4c1r5c1|18,r0c0r0c1r1c0|18,r6c0r6c1r7c0r7c1|12,r3c0r3c1|10,r7c8r8c8|33,r4c4r4c5r4c6r5c4r5c5r6c5|25,r1c2r1c3r1c4r1c5|16,r6c4r7c4|18,r2c2r3c2r4c2r5c2r6c2", "solution": "987542163146739852253618497574123689621987345398456721762394518419875236835261974", "extra": "{\"grid_size\": 9, \"puzzle_number\": 149, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 150, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-17", "puzzle": "21,r6c0r6c1r7c0r7c1|11,r1c4r2c4|10,r8c0r8c1|21,r2c7r2c8r3c7r3c8|4,r0c4r0c5|7,r6c2r6c3|20,r1c5r2c5r3c5|29,r6c8r7c8r8c6r8c7r8c8|5,r4c1r4c2|44,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1|9,r5c6r6c5r6c6|8,r3c0r3c1|20,r4c6r4c7r4c8r5c8|6,r0c3r1c3|25,r7c2r7c3r8c2r8c3|14,r2c2r2c3r3c2|10,r4c0r5c0|24,r0c6r0c7r1c6r1c7|22,r6c4r7c4r8c4r8c5|40,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|18,r5c1r5c2r5c3|9,r0c8r1c8|20,r5c7r6c7r7c5r7c6r7c7|8,r2c6r3c6", "solution": "927431658836257941451869723265384179714926835398175264172593486589642317643718592", "extra": "{\"grid_size\": 9, \"puzzle_number\": 150, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 151, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-02-18", "puzzle": "13,r8c4r8c5|7,r4c7r4c8|7,r0c6r1c6|8,r6c8r7c8|15,r3c7r3c8|13,r0c1r0c2r1c2|8,r8c7r8c8|18,r5c1r5c2r6c2|11,r2c0r2c1|11,r7c0r7c1r8c0|19,r3c0r4c0r4c1r5c0|7,r0c4r0c5|6,r5c5r6c5|14,r1c7r2c6r2c7|31,r6c3r6c4r7c3r7c4r7c5r8c3|17,r3c3r4c2r4c3r5c3|17,r0c7r0c8|11,r5c7r5c8|7,r1c8r2c8|10,r7c6r8c6|17,r3c4r4c4r5c4|13,r0c0r1c0r1c1|14,r6c0r6c1|14,r2c2r3c1r3c2|17,r7c2r8c1r8c2|20,r3c6r4c5r4c6r5c6|32,r0c3r1c3r1c4r1c5r2c3r2c4|19,r6c6r6c7r7c7|9,r2c5r3c5", "solution": "736452189514789623928316754142963578395278416687145392863521947459837261271694835", "extra": "{\"grid_size\": 9, \"puzzle_number\": 151, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 153, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-18", "puzzle": "24,r6c1r6c2r6c3r7c1r7c2|35,r1c1r1c2r2c1r2c2r2c3|14,r7c3r8c2r8c3|11,r3c2r4c2r5c2|10,r0c0r0c1r1c0r2c0|14,r6c4r7c4|6,r1c4r2c4|19,r6c5r7c5r8c4r8c5r8c6|26,r3c3r3c4r4c3r5c3r5c4|17,r0c2r0c3r1c3|13,r6c6r7c6|7,r1c6r2c6|12,r8c7r8c8|26,r3c8r4c6r4c7r4c8r5c8|27,r0c4r0c5r0c6r1c5r2c5|14,r5c7r6c7r6c8|12,r2c7r2c8r3c7|10,r5c0r5c1|9,r0c7r0c8|10,r7c7r7c8|9,r3c0r3c1|29,r3c5r3c6r4c4r4c5r5c5r5c6|15,r1c7r1c8|21,r6c0r7c0r8c0r8c1|15,r4c0r4c1", "solution": "436729581275418396198653427547896132963142875821537964712984653384265719659371248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 153, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 152, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-18", "puzzle": "14,r8c6r8c7r8c8|20,r5c2r5c3r6c3|21,r1c2r1c3r2c3r3c3|20,r6c1r6c2r7c1r7c2|7,r3c6r4c6|19,r0c1r0c2r0c3r0c4r0c5|11,r5c4r6c4|11,r2c4r2c5|3,r7c3r7c4|14,r3c7r4c7|20,r0c7r0c8r1c7r1c8|15,r5c5r5c6r5c7r6c7|25,r0c6r1c6r2c6r2c7r2c8|13,r7c5r8c5|7,r4c2r4c3|12,r0c0r1c0r2c0|9,r6c5r6c6|8,r3c0r3c1|11,r7c6r7c7|6,r4c0r5c0|14,r1c4r1c5|31,r3c8r4c8r5c8r6c8r7c8|11,r2c2r3c2|12,r8c3r8c4|13,r4c1r5c1|10,r1c1r2c1|25,r6c0r7c0r8c0r8c1r8c2|23,r3c4r3c5r4c4r4c5", "solution": "694321758172895643538674921713582469256149387489763215327458196965217834841936572", "extra": "{\"grid_size\": 9, \"puzzle_number\": 152, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 154, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-02-19", "puzzle": "6,r7c0r7c1|21,r3c4r4c4r5c4|15,r1c7r1c8|17,r5c8r6c8|13,r3c2r3c3|37,r0c0r0c1r0c2r0c3r0c4r0c5|12,r6c3r7c3|4,r3c5r4c5|16,r2c1r2c2r2c3r3c1|15,r6c0r6c1|8,r3c6r3c7|8,r0c6r0c7r0c8|11,r7c5r7c6|9,r4c6r4c7|10,r1c4r2c4|12,r6c2r7c2|7,r4c0r5c0|8,r1c0r1c1|5,r7c7r7c8|5,r3c8r4c8|13,r1c6r2c6|8,r6c4r7c4|13,r4c1r4c2|3,r1c2r1c3|12,r8c0r8c1r8c2|8,r5c1r5c2|9,r2c7r2c8|21,r5c7r6c5r6c6r6c7|11,r4c3r5c3|10,r1c5r2c5|33,r8c3r8c4r8c5r8c6r8c7r8c8|8,r5c5r5c6|17,r2c0r3c0", "solution": "762859143531274896849136527926781354485693271317542689694325718158967432273418965", "extra": "{\"grid_size\": 9, \"puzzle_number\": 154, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 156, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-19", "puzzle": "18,r5c8r6c8r7c8r8c8|9,r1c0r2c0|22,r8c2r8c3r8c4r8c5|26,r3c4r3c5r4c4r4c5|17,r0c0r0c1r0c2r0c3|15,r6c1r6c2r7c2|16,r2c2r2c3r3c2|11,r8c6r8c7|16,r4c6r4c7r4c8r5c7|10,r0c5r0c6|11,r6c3r6c4|15,r2c8r3c8|15,r4c2r5c2|10,r1c1r1c2|10,r6c7r7c7|24,r2c1r3c1r4c1r5c1|19,r3c3r4c3r5c3r5c4r5c5|16,r0c4r1c3r1c4r2c4|12,r7c3r7c4r7c5r7c6|24,r1c5r2c5r2c6r3c6r3c7|19,r5c6r6c5r6c6|28,r0c7r0c8r1c6r1c7r1c8r2c7|19,r7c0r7c1r8c0r8c1|23,r3c0r4c0r5c0r6c0", "solution": "235761948864529173197834256721485369489376521356192487943658712578213694612947835", "extra": "{\"grid_size\": 9, \"puzzle_number\": 156, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 155, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-02-19", "puzzle": 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"22,r7c5r7c6r8c5r8c6|8,r1c3r2c3|24,r5c4r5c5r6c4r6c5r7c4|33,r0c0r0c1r0c2r1c0r1c1r2c0|37,r6c2r7c0r7c1r7c2r8c0r8c1r8c2|25,r1c4r2c4r2c5r3c5r3c6|23,r4c6r4c7r4c8r5c6r5c7|17,r0c3r0c4|10,r8c3r8c4|18,r2c6r2c7r3c7|33,r3c0r3c1r4c0r5c0r6c0r6c1|6,r0c5r0c6r1c5|11,r7c7r8c7|9,r4c2r4c3|8,r5c3r6c3r7c3|37,r0c7r0c8r1c6r1c7r1c8r2c8r3c8|19,r5c8r6c8r7c8r8c8|15,r4c4r4c5|11,r6c6r6c7|28,r1c2r2c1r2c2r3c2r3c3r3c4|11,r4c1r5c1r5c2", "solution": "546891273298673154713245869175926348934587612862314597357468921489152736621739485", "extra": "{\"grid_size\": 9, \"puzzle_number\": 165, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 166, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-02-23", "puzzle": "10,r7c0r8c0|14,r4c2r4c3r5c2|7,r1c5r1c6|15,r5c5r6c5|22,r3c3r3c4r3c5r4c4|10,r0c0r0c1|12,r8c1r8c2r8c3|9,r5c4r6c4|17,r1c7r1c8|13,r5c7r6c7r7c7|13,r2c6r3c6|29,r0c2r0c3r0c4r0c5r0c6|12,r8c5r8c6r8c7|15,r4c5r4c6r5c6|15,r1c4r2c3r2c4r2c5|13,r6c2r7c2|19,r2c7r3c7r4c7|6,r0c7r0c8|15,r7c8r8c8|8,r4c8r5c8r6c8|13,r2c0r3c0|24,r7c3r7c4r7c5r8c4|9,r2c8r3c8|6,r1c0r1c1|16,r5c1r6c1r7c1|18,r2c1r3c1r4c1|6,r6c6r7c6|11,r4c0r5c0r6c0|8,r1c2r1c3|11,r5c3r6c3|9,r2c2r3c2", "solution": "647983215512674398983125467436517982871492653259836741128369574395748126764251839", "extra": "{\"grid_size\": 9, \"puzzle_number\": 166, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 167, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-23", "puzzle": "11,r3c2r4c2r5c2|12,r0c7r0c8r1c7r1c8|16,r7c1r8c1r8c2|17,r3c7r4c6r4c7r5c7|8,r0c3r0c4|15,r5c5r5c6r6c5r6c6|25,r1c2r1c3r2c2r2c3r3c3|6,r7c5r7c6|14,r4c0r4c1|17,r0c5r0c6|26,r5c3r6c2r6c3r7c2r7c3|7,r1c4r2c4|17,r7c7r7c8r8c7r8c8|25,r3c4r4c3r4c4r4c5r5c4|12,r0c0r1c0|17,r6c4r7c4|9,r2c7r2c8|12,r8c3r8c4|20,r3c8r4c8r5c8|15,r0c1r0c2r1c1|16,r6c7r6c8|17,r2c0r2c1r3c0r3c1|5,r8c5r8c6|12,r5c0r5c1r6c0r6c1|13,r1c5r1c6|15,r7c0r8c0|26,r2c5r2c6r3c5r3c6", "solution": "362178954974635821518249763297514638683927145451863297125386479736491582849752316", "extra": "{\"grid_size\": 9, \"puzzle_number\": 167, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 168, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-23", "puzzle": 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"19,r5c5r5c6r6c5|28,r1c7r2c4r2c5r2c6r2c7|7,r8c1r8c2|16,r4c0r4c1r5c0|14,r0c2r0c3|13,r4c8r5c7r5c8|4,r1c8r2c8|9,r7c3r8c3|10,r3c5r4c5|13,r0c7r0c8|16,r5c1r6c0r6c1|14,r2c0r3c0|16,r7c5r8c4r8c5|12,r3c6r4c6r4c7|32,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|16,r6c3r6c4r7c4|23,r1c3r2c3r3c1r3c2r3c3|17,r7c8r8c7r8c8|29,r4c2r5c2r6c2r7c1r7c2|10,r0c4r0c5r1c4|28,r6c6r6c7r6c8r7c6r7c7r8c6|16,r3c4r4c3r4c4|11,r5c3r5c4|15,r0c6r1c5r1c6|6,r7c0r8c0|11,r3c7r3c8", "solution": "318627594694518273527943681943281765786359412152476938835764129479132856261895347", "extra": "{\"grid_size\": 9, \"puzzle_number\": 171, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 173, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-02-25", "puzzle": 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"15,r8c4r8c5|20,r4c1r5c0r5c1|16,r1c6r1c7r2c7|15,r6c6r7c6|20,r3c1r3c2r3c3r4c2|9,r0c0r0c1|8,r7c7r8c6r8c7|16,r5c2r5c3r6c2r6c3|10,r1c0r1c1r2c0|23,r7c0r7c1r8c0r8c1|16,r3c4r3c5r4c5|14,r0c2r0c3r1c2|16,r4c6r5c6r5c7|14,r2c1r2c2|16,r7c3r7c4r8c3|9,r3c0r4c0|11,r0c5r0c6|16,r5c8r6c7r6c8|12,r1c3r2c3r2c4|7,r7c8r8c8|11,r4c3r4c4r5c4|15,r0c7r0c8r1c8|9,r6c0r6c1|19,r2c5r2c6r3c6|11,r7c2r8c2|18,r3c7r4c7r4c8|14,r0c4r1c4r1c5|14,r5c5r6c4r6c5r7c5|11,r2c8r3c8", "solution": "459278316273461958186539427321957684698124573745683291812345769964712835537896142", "extra": "{\"grid_size\": 9, \"puzzle_number\": 172, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 174, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-25", "puzzle": 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"14,r5c5r5c6|12,r2c0r2c1|29,r6c0r6c1r6c2r7c2r8c2|11,r3c1r4c1|14,r0c2r0c3r1c3|10,r5c7r5c8r6c8|12,r1c2r2c2|7,r7c4r7c5|8,r3c2r4c2|12,r0c4r0c5|4,r6c3r7c3|11,r2c7r3c7|10,r7c6r8c6|21,r3c4r4c3r4c4r4c5r5c3r5c4|19,r0c0r0c1r1c0r1c1|10,r6c4r6c5|12,r2c3r3c3|24,r8c3r8c4r8c5|9,r1c5r1c6|41,r1c4r2c4r2c5r2c6r3c5r3c6r4c6r4c7|15,r6c6r6c7|13,r3c8r4c8|18,r7c7r7c8r8c7r8c8|7,r5c1r5c2|27,r0c6r0c7r0c8r1c7r1c8r2c8|16,r7c0r7c1r8c0r8c1|19,r3c0r4c0r5c0", "solution": "672893451519462738483571296861739524257614389934258617195346872748125963326987145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 175, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 177, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-26", "puzzle": "11,r5c1r6c1|8,r0c8r1c8|14,r7c4r8c4|7,r3c6r3c7|16,r0c0r0c1r1c1|9,r5c6r5c7|21,r1c0r2c0r3c0|26,r6c7r6c8r7c7r8c7|6,r4c0r4c1|24,r0c5r0c6r1c5r2c5|11,r5c0r6c0r7c0|6,r1c2r2c2|13,r7c8r8c8|14,r3c2r4c2r5c2|30,r0c2r0c3r1c3r2c3r2c4r3c3|14,r6c2r7c2|11,r1c6r2c6|11,r7c1r8c0r8c1|13,r3c5r4c5r5c5|10,r0c4r1c4|5,r6c6r7c6|14,r2c1r3c1|17,r6c5r7c5r8c5r8c6|29,r3c8r4c6r4c7r4c8r5c8|18,r0c7r1c7r2c7r2c8|29,r5c3r6c3r6c4r7c3r8c2r8c3|18,r3c4r4c3r4c4r5c4", "solution": "932745816841369752765182493687931524153624987294578631528417369416893275379256148", "extra": "{\"grid_size\": 9, \"puzzle_number\": 177, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 178, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-02-27", "puzzle": "16,r7c0r8c0r8c1|12,r4c7r5c6r5c7|22,r1c3r1c4r1c5r1c6r1c7|10,r6c3r6c4|17,r2c7r3c7|12,r0c0r0c1r0c2|9,r8c2r8c3|11,r4c8r5c8|11,r1c0r2c0|22,r5c5r6c5r6c6r6c7|4,r2c8r3c8|3,r0c3r0c4|10,r8c4r8c5|15,r5c0r6c0|22,r2c1r2c2r2c3r3c3|11,r6c8r7c8|5,r3c0r4c0|16,r0c5r0c6|16,r8c6r8c7r8c8|7,r5c1r6c1|8,r2c4r2c5|28,r7c1r7c2r7c3r7c4r7c5|19,r3c1r3c2r4c1|19,r0c7r0c8r1c8|10,r4c2r5c2r6c2|13,r3c4r3c5|4,r7c6r7c7|18,r4c3r4c4r4c5|9,r1c1r1c2|11,r5c3r5c4|15,r2c6r3c6r4c6", "solution": "534219768918674235267853491492167583183945672756382149821736954649528317375491826", "extra": "{\"grid_size\": 9, \"puzzle_number\": 178, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 179, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-27", "puzzle": "7,r7c8r8c8|12,r3c7r4c7r5c7|9,r0c7r1c7|20,r6c6r6c7r6c8|9,r2c5r3c5|11,r0c2r0c3|11,r8c2r8c3|16,r3c8r4c8r5c8|9,r0c8r1c8|12,r7c0r8c0r8c1|19,r4c0r4c1r4c2|15,r0c4r0c5|10,r8c4r8c5|6,r5c0r6c0|15,r2c1r3c1r3c2|19,r6c2r7c1r7c2|10,r3c3r4c3r5c3|20,r0c0r0c1r1c0|7,r5c5r6c5|29,r1c3r1c4r1c5r2c3r2c4r3c4|7,r7c6r8c6|10,r4c4r4c5|9,r1c1r1c2r2c2|16,r5c1r5c2r6c1|16,r2c6r2c7r2c8|11,r7c7r8c7|17,r3c6r4c6r5c6|11,r0c6r1c6|37,r5c4r6c3r6c4r7c3r7c4r7c5|5,r2c0r3c0", "solution": "946587231715432968283961754361258497892746513574193826157624389639875142428319675", "extra": "{\"grid_size\": 9, \"puzzle_number\": 179, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 180, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-02-27", "puzzle": 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"18,r2c6r3c6r4c6r5c6r6c6|17,r1c5r1c6|10,r7c5r7c6|15,r3c0r4c0r5c0|17,r0c1r0c2r1c1|15,r5c7r5c8r6c7|20,r0c8r1c7r1c8r2c8|20,r6c8r7c7r7c8r8c8|16,r4c2r4c3r4c4|9,r0c6r0c7|8,r6c3r6c4|7,r2c3r2c4|9,r7c1r8c1r8c2|11,r4c7r4c8|15,r0c0r1c0r2c0|15,r6c0r7c0r8c0|11,r2c2r3c2r3c3|13,r8c6r8c7|27,r2c1r3c1r4c1r5c1r6c1|18,r0c3r1c2r1c3|20,r7c2r7c3r8c3|38,r2c5r3c4r3c5r4c5r5c4r5c5r6c5|13,r5c2r5c3r6c2|9,r0c4r0c5r1c4|18,r7c4r8c4r8c5|16,r2c7r3c7r3c8", "solution": "497523816316748952825619347562481793184937265973265184648172539739856421251394678", "extra": "{\"grid_size\": 9, \"puzzle_number\": 191, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 192, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-03-03", "puzzle": 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"12,r7c2r7c3|3,r4c3r5c3|3,r1c5r1c6|17,r5c5r5c6r5c7|20,r3c4r4c4r5c4|7,r0c4r0c5|11,r7c5r8c5|9,r3c5r4c5|13,r0c8r1c7r1c8|19,r6c3r6c4r7c4|16,r2c6r3c6r4c6|16,r0c6r0c7|7,r7c6r8c6|18,r4c7r4c8r5c8|11,r1c1r2c1|11,r6c5r6c6|7,r2c7r3c7|17,r0c0r0c1r1c0r2c0|18,r6c8r7c8r8c7r8c8|15,r5c0r6c0|11,r2c2r2c3|11,r6c7r7c7|9,r2c8r3c8|13,r0c2r1c2|7,r8c1r8c2|4,r5c1r6c1|20,r1c4r2c4r2c5|15,r7c0r7c1r8c0|17,r3c0r4c0r4c1|10,r0c3r1c3|10,r8c3r8c4|14,r4c2r5c2r6c2|14,r3c1r3c2r3c3", "solution": "368425791795631248124789563472593816581246379936178452617852934259364187843917625", "extra": "{\"grid_size\": 9, \"puzzle_number\": 193, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 194, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-03-04", "puzzle": 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"9,r6c3r6c4r7c4|12,r1c4r2c3r2c4|28,r7c7r8c4r8c5r8c6r8c7|21,r3c6r4c6r4c7r4c8r5c6|21,r0c0r0c1r1c0|13,r6c5r7c5|5,r1c5r2c5|27,r5c0r5c1r5c2r5c3r6c0|25,r0c4r0c5r0c6r0c7r1c7|11,r6c6r7c6|10,r1c6r2c6|32,r3c4r3c5r4c4r4c5r5c4r5c5|20,r0c2r0c3r1c2r1c3|20,r7c2r7c3r8c2r8c3|27,r2c0r3c0r3c1r3c2r3c3|23,r5c7r5c8r6c7r6c8|8,r0c8r1c8|11,r7c8r8c8|23,r2c7r2c8r3c7r3c8|17,r6c1r6c2r7c1|16,r1c1r2c1r2c2|8,r7c0r8c0r8c1|18,r4c0r4c1r4c2r4c3", "solution": "872965143641873295593142876369451782258397461714628359927534618486219537135786924", "extra": "{\"grid_size\": 9, \"puzzle_number\": 204, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 205, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-03-08", "puzzle": "19,r3c6r3c7r4c7r5c7|12,r0c5r1c5|17,r5c8r6c7r6c8|10,r3c0r4c0|9,r0c0r0c1|9,r3c8r4c8|16,r0c6r1c6r1c7|11,r7c0r7c1r7c2|17,r3c1r3c2r4c1r5c1|11,r0c7r0c8|11,r5c0r6c0r6c1|15,r1c0r2c0r2c1|13,r7c3r7c4r7c5|13,r4c2r4c3r5c3|19,r0c2r1c1r1c2|22,r5c2r6c2r6c3|16,r2c2r2c3r3c3|21,r7c6r7c7r7c8|9,r3c4r4c4|5,r0c3r1c3|7,r5c4r6c4|20,r2c5r2c6r3c5|45,r8c0r8c1r8c2r8c3r8c4r8c5r8c6r8c7r8c8|10,r4c5r4c6r5c5|15,r0c4r1c4r2c4|19,r5c6r6c5r6c6|14,r1c8r2c7r2c8", "solution": "816354792749218635532697418651879243497523186328146957175932864263481579984765321", "extra": "{\"grid_size\": 9, \"puzzle_number\": 205, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 206, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-03-08", "puzzle": 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"23,r7c7r7c8r8c7r8c8|23,r2c2r2c3r3c2r3c3|14,r4c0r4c1r5c0r6c0|26,r0c0r0c1r1c0r1c1|8,r7c0r8c0r8c1|12,r1c5r2c4r2c5|19,r4c2r5c1r5c2|20,r0c4r0c5r0c6r1c4|25,r8c2r8c3r8c4r8c5r8c6|27,r1c6r1c7r2c6r2c7r3c6|23,r6c1r6c2r6c3r7c1r7c2|14,r0c7r0c8r1c8|26,r2c8r3c8r4c8r5c8r6c8|23,r5c4r6c4r7c3r7c4r7c5|10,r0c2r0c3r1c2r1c3|25,r3c4r3c5r4c3r4c4r5c3|35,r5c5r5c6r6c5r6c6r6c7r7c6|29,r2c0r2c1r3c0r3c1|23,r3c7r4c5r4c6r4c7r5c7", "solution": "691473285743285961582961743974856132138742659256319478869137524325694817417528396", "extra": "{\"grid_size\": 9, \"puzzle_number\": 213, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 215, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-03-11", "puzzle": "8,r8c5r8c6|23,r5c2r5c3r6c2|5,r1c7r1c8|17,r6c0r6c1r7c0r8c0|21,r2c8r3c8r4c8|21,r0c0r0c1r1c0r1c1|21,r7c8r8c7r8c8|20,r4c5r5c4r5c5|11,r1c2r2c1r2c2|13,r7c2r7c3|12,r3c4r4c3r4c4|11,r0c2r0c3r1c3|9,r4c7r5c7|21,r2c3r2c4r3c2r3c3r4c2|3,r7c4r7c5|16,r3c6r4c6r5c6|11,r0c4r0c5|16,r6c3r6c4r6c5|17,r2c0r3c0r3c1|14,r7c1r8c1|5,r4c0r5c0|22,r0c6r0c7r0c8r1c6|16,r6c6r6c7r7c6r7c7|18,r2c5r2c6r3c5|12,r8c2r8c3r8c4|14,r4c1r5c1|14,r1c4r1c5|8,r5c8r6c8|6,r2c7r3c7", "solution": "945238671716495823823167954637582419452319768198674532279853146564921387381746295", "extra": "{\"grid_size\": 9, \"puzzle_number\": 215, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 210, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-03-09", "puzzle": 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"6,r6c7r6c8|14,r1c0r2c0|17,r8c6r8c7|28,r4c2r4c3r4c4r5c4r6c4|5,r0c0r0c1|15,r7c0r7c1r8c0r8c1|24,r1c1r1c3r2c1r2c2r2c3r2c4|8,r4c8r5c8|15,r0c3r0c4|15,r7c3r8c2r8c3|19,r2c5r2c6r3c5r3c6|14,r5c0r5c1r6c0|12,r0c2r1c2|21,r7c4r7c5r8c4r8c5|21,r3c0r3c1r4c0r4c1|14,r4c5r5c5r6c5|12,r0c5r1c4r1c5|32,r4c6r5c6r5c7r6c6r7c6r7c7|17,r3c2r3c3r3c4|30,r5c2r5c3r6c1r6c2r6c3r7c2|43,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|11,r7c8r8c8|12,r3c7r3c8r4c7", "solution": "235967148897214563641538279968725431513649782472183956389472615756891324124356897", "extra": "{\"grid_size\": 9, \"puzzle_number\": 212, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 214, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-03-11", "puzzle": 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"24,r6c3r6c4r6c5r7c4|12,r1c1r2c1r2c2|25,r8c2r8c3r8c4r8c5r8c6|9,r3c6r4c6|15,r0c1r0c2r1c2|28,r4c7r4c8r5c7r5c8r6c7r6c8|12,r1c7r2c6r2c7|11,r5c2r5c3|22,r0c6r0c7r1c6|16,r7c0r7c1r8c0r8c1|19,r2c3r3c3r4c3|12,r4c4r5c4|22,r0c0r1c0r2c0r3c0r3c1|12,r6c2r7c2r7c3|10,r2c4r3c4|7,r5c5r5c6|29,r0c3r0c4r0c5r1c3r1c4r1c5|12,r6c6r7c5r7c6|16,r2c5r3c5r4c5|35,r4c0r4c1r5c0r5c1r6c0r6c1|24,r0c8r1c8r2c8r3c7r3c8|20,r7c7r7c8r8c7r8c8|13,r3c2r4c2", "solution": "765213894234698571981745326317469258496852713528371649872934165659187432143526987", "extra": "{\"grid_size\": 9, \"puzzle_number\": 216, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 220, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-03-13", "puzzle": "10,r6c8r7c8r8c8|16,r4c8r5c8|25,r0c7r1c6r1c7r2c6|15,r7c1r7c2r8c1|14,r3c7r3c8r4c7|7,r0c2r0c3|3,r8c2r8c3|11,r5c1r6c1|9,r0c8r1c8|10,r6c3r7c3|17,r3c2r4c2r4c3|10,r0c5r0c6|15,r8c5r8c6|13,r5c2r6c2|9,r2c0r2c1|15,r6c4r7c4r8c4|12,r3c6r4c5r4c6|9,r0c0r1c0|3,r5c6r6c6|3,r2c7r2c8|9,r6c5r7c5|9,r4c0r5c0|21,r0c1r1c1r1c2r2c2|14,r5c7r6c7|14,r3c0r3c1r4c1|19,r7c6r7c7r8c7|10,r5c3r5c4r5c5|42,r0c4r1c3r1c4r1c5r2c3r2c4r2c5|18,r6c0r7c0r8c0|23,r3c3r3c4r3c5r4c4", "solution": "796142853213785496458396712562917348137864529849523167974631285625478931381259674", "extra": "{\"grid_size\": 9, \"puzzle_number\": 220, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 217, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-03-12", "puzzle": "9,r5c1r5c2|12,r1c7r1c8|12,r7c0r8c0|13,r3c6r3c7|17,r0c2r0c3r1c3|11,r5c0r6c0|11,r1c1r1c2r2c1|6,r7c1r8c1|13,r3c8r4c8r5c8|6,r0c5r0c6|24,r6c1r6c2r7c2r8c2|11,r1c5r2c5|12,r8c3r8c4r8c5|4,r4c0r4c1|9,r0c7r0c8|14,r6c3r7c3|19,r1c6r2c6r2c7r2c8|20,r6c7r6c8r7c6r7c7r8c6|34,r3c5r4c4r4c5r5c3r5c4r5c5|17,r0c0r0c1r1c0|15,r5c6r6c5r6c6|19,r2c0r3c0r3c1|19,r7c8r8c7r8c8|17,r4c6r4c7r5c7|13,r0c4r1c4|12,r6c4r7c4r7c5|36,r2c2r2c3r2c4r3c2r3c3r3c4r4c2r4c3", "solution": "298741536673295184415836927967412853132658479854379261381927645729564318546183792", "extra": "{\"grid_size\": 9, \"puzzle_number\": 217, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 218, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-03-12", "puzzle": "15,r8c7r8c8|29,r2c2r3c2r4c2r5c2r6c2|14,r1c6r1c7r1c8r2c7|8,r7c0r8c0|16,r2c8r3c7r3c8|12,r0c4r0c5r0c6|10,r5c3r5c4|22,r1c3r1c4r2c3|7,r7c1r8c1|5,r4c0r4c1|15,r0c7r0c8|15,r5c5r5c6r6c6|13,r1c5r2c4r2c5|10,r7c2r8c2r8c3|17,r4c3r4c4|11,r0c0r1c0|11,r5c7r5c8r6c8|26,r2c0r2c1r3c0r3c1|17,r6c7r7c6r7c7r7c8|19,r4c5r4c6r4c7r4c8|10,r0c1r1c1|14,r6c3r7c3r7c4|3,r3c3r3c4|20,r8c4r8c5r8c6|23,r5c0r5c1r6c0r6c1|13,r0c2r0c3r1c2|14,r6c4r6c5r7c5|16,r2c6r3c5r3c6", "solution": "492361587718592463563847912876214359324985671159736824987623145645179238231458796", "extra": "{\"grid_size\": 9, \"puzzle_number\": 218, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 219, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-03-12", "puzzle": 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"12,r5c1r6c1|15,r2c2r2c3r3c2r3c3|12,r8c0r8c1|19,r3c4r3c5r3c6r4c6|11,r0c2r0c3|18,r4c3r5c3r6c3r6c4|9,r2c4r2c5r2c6|11,r8c2r8c3|9,r4c7r4c8|25,r0c0r0c1r1c0r1c1r1c2r2c1|5,r5c8r6c8|33,r0c6r0c7r1c7r2c7r3c7|5,r7c4r8c4|20,r4c2r5c2r6c2|23,r0c4r0c5r1c3r1c4|22,r6c0r7c0r7c1r7c2r7c3|10,r2c0r3c0|11,r8c5r8c6|30,r4c4r4c5r5c4r5c5|10,r1c5r1c6|10,r6c5r7c5|13,r2c8r3c8|10,r5c6r5c7|5,r0c8r1c8|36,r6c6r6c7r7c6r7c7r7c8r8c7r8c8|21,r3c1r4c0r4c1r5c0", "solution": "495672381613958274728413596381245967269387145574196823157869432842731659936524718", "extra": "{\"grid_size\": 9, \"puzzle_number\": 230, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 234, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-03-17", "puzzle": 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"10,r5c1r6c1|14,r2c0r2c1r2c2|24,r7c6r7c7r7c8r8c5r8c6|13,r3c2r4c2|11,r0c6r0c7r0c8|20,r6c2r6c3r7c3r8c3r8c4|9,r2c3r2c4|8,r8c7r8c8|29,r3c3r3c4r3c5r4c3r4c4r4c5|31,r0c0r0c1r0c2r1c0r1c1r1c2|15,r6c5r6c6|14,r1c6r2c6|17,r3c8r4c8r5c8|15,r0c3r1c3|11,r6c7r6c8|20,r1c7r1c8r2c7r2c8|16,r5c2r5c3|11,r0c4r1c4|27,r5c0r6c0r7c0r7c1r7c2r8c0|13,r3c0r3c1r4c0r4c1|28,r4c6r5c4r5c5r5c6r6c4r7c4r7c5|10,r0c5r1c5r2c5|17,r8c1r8c2|22,r3c6r3c7r4c7r5c7", "solution": "865942713912673548473185926147528369536491287289736451321859674654317892798264135", "extra": "{\"grid_size\": 9, \"puzzle_number\": 243, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 245, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-03-21", "puzzle": "18,r5c7r5c8r6c7|19,r0c8r1c8r2c8|12,r7c1r8c1r8c2|19,r3c0r4c0r5c0|19,r0c1r0c2r1c1|13,r6c2r7c2r7c3|13,r1c2r1c3r2c2|16,r8c3r8c4r8c5|26,r3c1r3c2r4c1r4c2r5c1r5c2|13,r0c3r0c4r0c5|20,r6c4r6c5r6c6r7c4|16,r1c4r2c4r2c5r2c6|17,r8c6r8c7|12,r4c3r4c4|5,r0c6r0c7|22,r6c0r6c1r7c0r8c0|19,r2c3r3c3r3c4|10,r4c7r4c8|19,r0c0r1c0r2c0r2c1|20,r7c5r7c6r7c7|21,r3c5r3c6r4c5r4c6r5c5r5c6|18,r5c3r5c4r6c3|18,r1c5r1c6r1c7|7,r6c8r7c8r8c8|13,r2c7r3c7r3c8", "solution": "769184325145632978382975146957821463834756219216493587478519632693248751521367894", "extra": "{\"grid_size\": 9, \"puzzle_number\": 245, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 244, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-03-21", "puzzle": "10,r4c1r5c1r6c1|20,r0c7r0c8r1c6r1c7|13,r7c3r8c2r8c3|9,r4c0r5c0|33,r0c0r0c1r0c2r1c0r2c0|21,r5c4r5c5r5c6r6c6|10,r2c5r2c6r3c5|10,r7c4r8c4|12,r4c2r5c2|9,r1c1r1c2r2c1|4,r5c7r5c8|16,r1c8r2c8|22,r6c4r6c5r7c5r8c5|18,r4c3r4c4r4c5|24,r0c3r1c3r2c3r2c4|12,r6c0r7c0|10,r3c0r3c1|12,r6c7r7c6r7c7|11,r3c6r4c6|9,r0c4r1c4|10,r5c3r6c2r6c3|21,r2c2r3c2r3c3r3c4|31,r6c8r7c8r8c6r8c7r8c8|8,r3c8r4c8|13,r0c5r0c6r1c5|23,r7c1r7c2r8c0r8c1|14,r2c7r3c7r4c7", "solution": "798651324512349867463872519649183752135927486827564931951436278376298145284715693", "extra": "{\"grid_size\": 9, \"puzzle_number\": 244, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 246, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-03-21", "puzzle": 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"13,r5c4r5c5r6c5|14,r2c1r2c2r3c1|15,r7c8r8c8|5,r3c6r3c7|9,r0c0r0c1|15,r5c0r5c1r6c0|18,r1c4r2c3r2c4|13,r7c3r8c2r8c3|17,r3c0r4c0r4c1r4c2|15,r0c3r0c4r0c5r0c6|17,r6c1r6c2r7c2|8,r1c5r2c5|14,r6c4r7c4r8c4r8c5|21,r4c6r4c7r5c6|23,r0c2r1c2r1c3|18,r6c6r7c5r7c6|15,r1c6r2c6r2c7|13,r7c7r8c6r8c7|20,r2c8r3c8r4c8r5c8|19,r0c7r0c8r1c7r1c8|15,r5c7r6c7r6c8|17,r3c2r3c3r4c3|19,r5c2r5c3r6c3|14,r1c0r1c1r2c0|19,r7c0r7c1r8c0r8c1|19,r3c4r3c5r4c4r4c5", "solution": "369184275278695143541273869894567321135842796627931584786319452953428617412756938", "extra": "{\"grid_size\": 9, \"puzzle_number\": 256, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 257, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-03-25", "puzzle": 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"9,r5c0r6c0|13,r0c6r1c6|31,r5c3r6c2r6c3r6c4r7c3r7c4|11,r2c8r3c8|14,r0c0r0c1r0c2r0c3|8,r5c6r5c7|11,r1c2r2c2|24,r5c8r6c7r6c8r7c7r7c8|20,r4c0r4c1r5c1|15,r0c4r0c5|9,r6c1r7c1|9,r1c3r2c3|16,r7c0r8c0r8c1|21,r3c3r4c2r4c3r5c2|12,r0c7r0c8r1c8|12,r6c5r7c5|14,r1c7r2c7|10,r8c3r8c4|18,r3c6r4c5r4c6r5c5|28,r1c0r1c1r2c0r2c1r3c0|12,r6c6r7c6|10,r3c1r3c2|24,r8c5r8c6r8c7r8c8|15,r3c7r4c7r4c8|23,r1c4r1c5r2c4r2c5r2c6r3c5|6,r7c2r8c2|10,r3c4r4c4r5c4", "solution": "243596781875241693916783254328965147651437829497812536569124378734658912182379465", "extra": "{\"grid_size\": 9, \"puzzle_number\": 258, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 259, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-03-26", "puzzle": 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"16,r5c4r5c5r5c6|24,r0c5r0c6r1c5r1c6|18,r7c5r7c6r8c5r8c6|17,r3c4r3c5r3c6|10,r0c2r0c3|10,r6c0r6c1|22,r1c7r1c8r2c7r2c8r3c7|31,r5c7r6c7r6c8r7c7r7c8|19,r3c0r4c0r5c0|12,r0c7r0c8|15,r6c4r6c5r6c6|7,r2c0r2c1|8,r8c2r8c3|9,r4c4r4c5|15,r0c0r0c1r1c0|16,r7c0r8c0r8c1|37,r1c3r2c3r3c3r4c3r5c3r6c3r7c3|9,r8c7r8c8|11,r4c6r4c7|9,r1c1r1c2|12,r7c1r7c2|19,r2c4r2c5r2c6|12,r3c8r4c8r5c8|5,r0c4r1c4|5,r7c4r8c4|37,r2c2r3c1r3c2r4c1r4c2r5c1r5c2r6c2", "solution": "389126475427835916165497328812374659693581742574962831736259184248613597951748263", "extra": "{\"grid_size\": 9, \"puzzle_number\": 265, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 266, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-03-28", "puzzle": 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"12,r8c5r8c6r8c7|12,r5c2r6c2|18,r1c5r2c4r2c5|14,r6c7r7c7|14,r3c4r3c5|20,r0c0r0c1r0c2r1c2|15,r5c3r6c3|19,r1c6r2c6r3c6r3c7|9,r6c0r7c0r7c1|3,r2c8r3c8|17,r0c5r0c6r0c7|6,r5c4r5c5|14,r1c7r2c7|19,r7c3r7c4r8c3r8c4|15,r4c3r4c4r4c5|16,r1c0r1c1r2c0|12,r5c8r6c8|30,r2c1r3c1r4c1r4c2r5c1r6c1|14,r7c8r8c8|17,r4c6r4c7r4c8|17,r0c3r0c4r1c3r1c4|11,r6c4r6c5r7c5|11,r2c2r3c2|24,r7c2r8c0r8c1r8c2|13,r3c0r4c0r5c0|12,r0c8r1c8|16,r5c6r5c7r6c6r7c6|5,r2c3r3c3", "solution": "921678543748135269536249781475386912382591674619724835193862457267453198854917326", "extra": "{\"grid_size\": 9, \"puzzle_number\": 271, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 272, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-03-30", "puzzle": 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"20,r4c3r5c3r5c4|17,r1c6r1c7r2c6r2c7|9,r7c2r8c2|14,r3c7r3c8r4c8|10,r0c1r0c2|16,r5c6r6c5r6c6|20,r1c1r1c2r2c1|10,r7c3r7c4|6,r4c1r5c1|18,r0c4r0c5r1c5|13,r5c7r5c8|14,r2c2r2c3r3c2|19,r6c7r7c6r7c7|24,r3c3r3c4r4c4r4c5r5c5|28,r0c6r0c7r0c8r1c8r2c8|11,r6c0r6c1|11,r1c4r2c4|18,r7c5r8c3r8c4r8c5r8c6|6,r4c6r4c7|11,r0c0r1c0|7,r6c8r7c8|25,r2c0r3c0r3c1r4c0r5c0|12,r8c7r8c8|20,r4c2r5c2r6c2r6c3r6c4|4,r0c3r1c3|24,r7c0r7c1r8c0r8c1|18,r2c5r3c5r3c6", "solution": "628179534549362817173458269437621958856793421912584376291837645364915782785246193", "extra": "{\"grid_size\": 9, \"puzzle_number\": 280, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 281, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-04-02", "puzzle": 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"15,r6c1r6c2r7c1r7c2|12,r2c3r3c3|31,r4c3r5c2r5c3r6c3r7c3|29,r0c0r0c1r0c2r1c2r2c2|12,r5c4r6c4r7c4|11,r3c4r4c4|22,r4c5r5c5r5c6r6c5r7c5|32,r0c3r0c4r0c5r1c3r1c4r1c5r2c4|25,r6c6r6c7r7c6r7c7|10,r2c5r3c5|24,r3c7r3c8r4c7r4c8r5c7|27,r0c6r0c7r0c8r1c6r2c6|10,r7c0r8c0|17,r3c2r4c2|15,r5c0r6c0|16,r1c0r1c1r2c0r2c1|35,r8c1r8c2r8c3r8c4r8c5r8c6r8c7|16,r3c6r4c6|9,r5c8r6c8|18,r1c7r1c8r2c7r2c8|4,r7c8r8c8|15,r3c0r3c1r4c0r4c1r5c1", "solution": "893216547265347819174598362418752936539164728627839154981623475342975681756481293", "extra": "{\"grid_size\": 9, \"puzzle_number\": 282, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 283, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-04-03", "puzzle": "11,r8c2r8c3r8c4|23,r3c7r4c7r4c8|9,r1c2r1c3|11,r6c3r7c3|12,r2c1r3c1r4c1|11,r0c2r0c3|11,r8c5r8c6|14,r4c0r5c0r6c0|20,r0c4r1c4r1c5|18,r5c5r6c5r6c6|19,r2c2r3c2r3c3|7,r0c5r0c6|9,r8c7r8c8|13,r5c1r5c2|13,r2c3r2c4r2c5|29,r7c0r7c1r8c0r8c1|17,r3c4r3c5r4c5|13,r0c7r0c8r1c8|8,r5c7r6c7|19,r1c6r1c7r2c6r2c7|17,r7c4r7c5r7c6|29,r4c2r4c3r4c4r5c3r5c4r6c4|13,r0c0r1c0|6,r5c8r6c8|11,r2c8r3c8|10,r7c7r7c8|10,r3c6r4c6r5c6|11,r0c1r1c1|6,r6c1r6c2r7c2|5,r2c0r3c0", "solution": "957481623462793518318652497236519784185347269749826135623974851871235946594168372", "extra": "{\"grid_size\": 9, \"puzzle_number\": 283, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 284, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-04-03", "puzzle": "29,r6c0r7c0r8c0r8c1|17,r1c7r2c6r2c7r3c6|4,r4c0r5c0|41,r0c0r0c1r0c2r1c0r1c2r1c3r2c0|22,r6c8r7c8r8c7r8c8|6,r3c0r3c1|28,r4c1r4c2r4c3r5c1r6c1|18,r0c3r0c4r0c5|18,r7c1r7c2r7c3r8c2|11,r2c3r3c3|18,r4c5r4c6r4c7r5c7r6c7|42,r0c6r0c7r0c8r1c5r1c6r1c8r2c8|18,r7c4r8c3r8c4r8c5|37,r3c4r4c4r5c2r5c3r5c4r5c5r5c6|11,r4c8r5c8|8,r1c4r2c4|15,r7c5r7c6r7c7r8c6|13,r2c5r3c5|28,r6c2r6c3r6c4r6c5r6c6|15,r1c1r2c1r2c2r3c2|6,r3c7r3c8", "solution": "275918463639425718841367529427836951396751284158249637712693845963584172584172396", "extra": "{\"grid_size\": 9, \"puzzle_number\": 284, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 285, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-04-03", "puzzle": 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"15,r5c8r6c8|17,r2c0r2c1r3c0r3c1|15,r3c6r4c6|9,r0c3r0c4|22,r7c2r7c3r7c4r7c5r7c6|5,r2c2r2c3|12,r4c7r4c8r5c7|26,r0c0r0c1r1c0r1c1|11,r8c2r8c3|24,r1c8r2c6r2c7r2c8r3c7r3c8|19,r6c1r6c2r7c1r8c0r8c1|25,r0c2r1c2r1c3r1c4r2c4|8,r8c4r8c5r8c6|35,r3c4r3c5r4c4r4c5r5c4r5c5r5c6|23,r3c3r4c3r5c3r6c3|21,r0c5r0c6r1c5r2c5|32,r6c6r6c7r7c7r7c8r8c7r8c8|31,r4c0r4c1r5c0r5c1r6c0r7c0|16,r6c4r6c5|24,r0c7r0c8r1c6r1c7|15,r3c2r4c2r5c2", "solution": "896725143547316982321489675752964831189532764634178529413897256968253417275641398", "extra": "{\"grid_size\": 9, \"puzzle_number\": 315, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 313, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-04-13", "puzzle": "4,r8c0r8c1|12,r4c2r5c2r5c3|4,r1c6r1c7|4,r6c3r6c4|13,r2c5r3c5|25,r0c0r0c1r1c0r2c0r2c1|25,r8c2r8c3r8c4r8c5r8c6|8,r5c4r5c5|8,r0c8r1c8|28,r6c1r6c2r7c0r7c1r7c2|10,r2c8r3c8|10,r0c3r0c4|10,r7c7r8c7|11,r4c6r5c6|5,r2c2r2c3|12,r7c3r7c4|12,r3c0r4c0|11,r0c6r0c7|10,r7c8r8c8|10,r5c7r6c7|19,r1c4r2c4r3c4|13,r6c5r7c5|5,r3c1r4c1|27,r0c2r1c1r1c2r1c3|17,r4c8r5c8r6c8|29,r2c6r2c7r3c6r3c7r4c7|10,r6c6r7c6|9,r4c4r4c5|6,r0c5r1c5|22,r5c0r5c1r6c0|16,r3c2r3c3r4c3", "solution": "593821746678945132142367859825496371439718265761253984957134628286579413314682597", "extra": "{\"grid_size\": 9, \"puzzle_number\": 313, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 314, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-04-13", "puzzle": "23,r4c6r4c7r5c7r6c7|12,r0c8r1c8|15,r5c8r6c8r7c7r7c8|4,r4c0r5c0|12,r0c0r0c1r0c2|7,r6c2r7c2|23,r1c2r2c2r2c3r2c4|7,r8c2r8c3|12,r4c3r4c4r4c5|11,r0c5r0c6|29,r6c4r6c5r6c6r7c6|8,r1c6r2c6|17,r8c6r8c7r8c8|7,r3c8r4c8|23,r1c0r1c1r2c0r3c0|15,r7c0r8c0|23,r2c1r3c1r4c1r4c2|18,r5c1r5c2r5c3r5c4|30,r0c3r0c4r1c3r1c4r1c5r2c5|21,r6c0r6c1r7c1r8c1|7,r3c2r3c3|10,r5c5r5c6|19,r0c7r1c7r2c7r2c8|25,r6c3r7c3r7c4r7c5r8c4r8c5|27,r3c4r3c5r3c6r3c7", "solution": "291475638587963124436821759645298371179354286328716495963187542854632917712549863", "extra": "{\"grid_size\": 9, \"puzzle_number\": 314, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 311, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-04-12", "puzzle": "21,r4c8r5c8r6c8|19,r1c5r1c6r1c7r2c6r2c7|32,r7c3r7c5r8c3r8c4r8c5|17,r4c5r4c6|19,r0c3r0c4r0c5|12,r7c0r7c1|16,r3c0r3c1|5,r7c6r8c6|11,r4c0r5c0r6c0|21,r0c0r0c1r0c2r1c0r2c0|13,r6c3r6c4r6c5r7c4|13,r2c3r3c2r3c3|14,r8c7r8c8|28,r4c1r5c1r5c2r6c1r6c2|29,r0c6r0c7r0c8r1c8r2c8|8,r7c7r7c8|12,r2c5r3c5r3c6|9,r5c3r5c4r5c5|25,r1c1r1c2r1c3r2c1r2c2|8,r8c0r8c1|5,r3c7r3c8|23,r4c7r5c6r5c7r6c6r6c7|24,r1c4r2c4r3c4r4c4|9,r7c2r8c2|12,r4c2r4c3", "solution": "312586947984173526657492183791854632265739814438261759529317468846925371173648295", "extra": "{\"grid_size\": 9, \"puzzle_number\": 311, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 317, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-04-14", "puzzle": 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"7,r5c8r6c8|17,r1c6r2c5r2c6|17,r7c3r8c2r8c3|9,r3c5r3c6r3c7|29,r0c0r0c1r1c0r1c1r1c2|24,r4c0r5c0r6c0r7c0r8c0r8c1|13,r1c7r2c7|19,r8c4r8c5r8c6|12,r4c3r4c4r4c5|9,r0c2r0c3r0c4|12,r6c1r7c1|30,r0c7r0c8r1c8r2c8r3c8r4c8|27,r7c6r7c7r7c8r8c7r8c8|11,r5c1r5c2r5c3|17,r0c5r0c6r1c5|20,r6c2r6c3r7c2|9,r2c0r3c0|12,r5c4r5c5|21,r1c3r1c4r2c3r2c4|8,r6c6r6c7|16,r3c1r3c2r4c1r4c2|21,r4c6r4c7r5c6r5c7|11,r2c1r2c2|17,r6c4r6c5r7c4r7c5|17,r3c3r3c4", "solution": "792614835814325796365798241651983427973462518428157963289536174546271389137849652", "extra": "{\"grid_size\": 9, \"puzzle_number\": 321, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 320, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-04-15", "puzzle": "17,r5c1r6c1r7c1r7c2r8c1|22,r2c0r2c1r3c0|19,r7c3r8c2r8c3|8,r4c6r4c7|15,r0c0r0c1r1c0r1c1|11,r6c2r6c3|18,r2c2r2c3r3c2r3c3|16,r8c4r8c5|20,r3c1r4c0r4c1r5c0|13,r0c4r0c5r1c3r1c4|17,r5c7r6c7r6c8|17,r2c5r3c5r4c5|21,r7c7r7c8r8c7r8c8|16,r5c2r5c3r5c4|21,r0c6r0c7r0c8|19,r6c0r7c0r8c0|9,r2c6r3c6|14,r5c5r5c6r6c5r6c6|18,r0c2r0c3r1c2|5,r6c4r7c4|10,r2c8r3c7r3c8|14,r4c8r5c8|29,r1c5r1c6r1c7r1c8r2c7|10,r7c5r7c6r8c6|26,r2c4r3c4r4c2r4c3r4c4", "solution": "237561948196428753584937162942356871378194625651782439719243586463815297825679314", "extra": "{\"grid_size\": 9, \"puzzle_number\": 320, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 319, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-04-15", "puzzle": 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"5,r8c5r8c6|16,r5c0r5c1r5c2|14,r1c0r1c1r1c2r2c0|12,r6c5r6c6|16,r3c6r3c7r3c8|15,r0c0r0c1|7,r8c7r8c8|7,r5c3r6c3|13,r2c2r2c3|21,r6c8r7c6r7c7r7c8|12,r3c0r4c0|9,r0c2r0c3|22,r2c4r3c4r4c4r5c4r6c4|10,r1c6r2c6r2c7|22,r7c3r8c2r8c3|13,r4c1r4c2r4c3|11,r0c7r0c8r1c7|24,r5c5r5c6r5c7r6c7|15,r1c8r2c8|15,r7c4r7c5r8c4|16,r4c5r4c6r4c7|13,r0c4r1c3r1c4|3,r6c0r7c0|16,r2c1r3c1r3c2r3c3|20,r7c1r8c0r8c1|7,r4c8r5c8|22,r0c5r0c6r1c5|17,r6c1r6c2r7c2|12,r2c5r3c5", "solution": "784516923521397468639428157956234871342781695817659342263145789178962534495873216", "extra": "{\"grid_size\": 9, \"puzzle_number\": 322, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 318, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-04-14", "puzzle": "14,r5c7r6c6r6c7|7,r1c7r2c7|15,r7c7r7c8|17,r4c2r4c3r5c2|20,r0c0r0c1r0c2|24,r4c7r4c8r5c8r6c8|17,r0c7r0c8r1c8r2c8|25,r8c2r8c3r8c4r8c5|6,r3c6r4c5r4c6|21,r0c3r0c4r0c5r0c6|17,r6c0r7c0r8c0r8c1|20,r2c0r3c0r4c0r4c1|12,r8c6r8c7r8c8|10,r5c0r5c1|9,r1c0r1c1|10,r6c1r7c1|11,r2c1r2c2r3c1|22,r3c4r4c4r5c4|24,r1c2r1c3r1c4r2c3r2c4|25,r5c3r6c2r6c3r7c2r7c3|13,r3c2r3c3|6,r5c5r5c6|25,r1c5r1c6r2c5r2c6r3c5|25,r6c4r6c5r7c4r7c5r7c6|10,r3c7r3c8", "solution": "596247831273918654481653729728591346634872195915364287849726513162435978357189462", "extra": "{\"grid_size\": 9, \"puzzle_number\": 318, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 323, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-04-16", "puzzle": "19,r5c0r5c1r6c0r6c1|8,r1c6r1c7|11,r7c0r8c0|18,r2c5r2c6r3c5|11,r0c1r0c2|25,r4c0r4c1r4c2r5c2r5c3|12,r0c8r1c8|7,r8c2r8c3|9,r3c6r3c7|11,r0c6r0c7|9,r5c4r6c4|25,r1c1r1c2r2c0r2c1r2c2|24,r7c4r7c5r8c4r8c5|10,r4c3r4c4|9,r0c0r1c0|17,r5c5r5c6r6c5|19,r2c3r2c4r3c3r3c4|11,r7c6r8c6|16,r4c5r4c6r4c7r5c7|13,r0c3r0c4r1c3|10,r6c6r6c7|8,r2c7r2c8|15,r7c7r8c7r8c8|26,r3c8r4c8r5c8r6c8r7c8|18,r0c5r1c4r1c5|26,r6c2r6c3r7c1r7c2r7c3r8c1|18,r3c0r3c1r3c2", "solution": "583176294462593178197824635729638541648915327315247869876452913231789456954361782", "extra": "{\"grid_size\": 9, \"puzzle_number\": 323, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 324, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-04-16", "puzzle": "5,r5c5r6c5|29,r0c7r1c6r1c7r2c6r2c7|11,r8c2r8c3r8c4|27,r3c1r3c2r4c1r4c2r5c1|11,r0c0r0c1r1c0|19,r4c8r5c8r6c8|11,r2c1r2c2|13,r7c5r8c5r8c6|13,r4c3r4c4r4c5|16,r0c2r0c3r1c3|13,r6c6r6c7|15,r2c0r3c0r4c0|21,r7c8r8c7r8c8|22,r3c7r4c6r4c7r5c6r5c7|21,r0c4r0c5r0c6|26,r6c1r6c2r7c1r7c2r8c1|7,r2c3r3c3|24,r5c0r6c0r7c0r8c0|7,r1c1r1c2|24,r6c3r6c4r7c3r7c4|12,r3c4r3c5r3c6|15,r5c2r5c3r5c4|23,r1c4r1c5r2c4r2c5|6,r7c6r7c7|14,r0c8r1c8r2c8r3c8", "solution": "259467831461358972738291645374529186596184327812673459185942763927836514643715298", "extra": "{\"grid_size\": 9, \"puzzle_number\": 324, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 325, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-04-17", "puzzle": 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"6,r6c0r7c0r8c0|11,r4c4r4c5|18,r0c5r0c6r1c5r1c6|15,r8c7r8c8|11,r5c7r6c7|9,r2c3r3c2r3c3|14,r0c1r0c2|15,r7c1r7c2|22,r3c6r4c6r5c6|13,r1c7r1c8|11,r5c8r6c8|11,r3c4r3c5|12,r0c3r0c4r1c3|17,r7c5r7c6r8c5r8c6|7,r4c7r4c8|5,r2c1r2c2|15,r6c1r6c2|11,r2c7r3c7|7,r0c7r0c8|7,r7c7r7c8|7,r5c0r5c1|14,r1c4r2c4|7,r6c4r7c4|8,r2c8r3c8|18,r0c0r1c0r2c0|9,r8c1r8c2|15,r5c2r5c3r6c3|11,r2c5r2c6|6,r6c5r6c6|22,r4c0r4c1r4c2r4c3|8,r1c1r1c2|21,r7c3r8c3r8c4|9,r5c4r5c5|13,r3c0r3c1", "solution": "895127634417963285632584791941356827783492516526718943369245178178639452254871369", "extra": "{\"grid_size\": 9, \"puzzle_number\": 332, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 331, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-04-19", "puzzle": 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"18,r4c7r5c7r5c8|23,r0c0r0c1r0c2r1c0r2c0|5,r8c0r8c1|17,r3c0r4c0|25,r1c1r1c2r2c1r3c1|18,r6c0r6c1r7c0r7c1|22,r2c2r2c3r2c4r2c5r2c6|17,r8c2r8c3|15,r4c2r4c3r5c2r5c3|10,r0c3r1c3|17,r6c2r7c2r7c3|29,r0c6r0c7r0c8r1c8r2c8|13,r8c5r8c6|22,r4c5r4c6r5c5r5c6|10,r0c4r1c4|26,r6c3r6c4r6c5r7c4r8c4|11,r3c2r3c3|5,r8c7r8c8|10,r3c8r4c8|9,r0c5r1c5|12,r6c6r7c5r7c6|12,r3c4r4c4r5c4|10,r4c1r5c0r5c1|18,r1c6r1c7r2c7r3c7|22,r6c7r6c8r7c7r7c8|9,r3c5r3c6", "solution": "681294375347815926592637418954728163816543297723169854175482639469371582238956741", "extra": "{\"grid_size\": 9, \"puzzle_number\": 333, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 335, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-04-20", "puzzle": 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"15,r8c3r8c4|7,r4c6r4c7|10,r0c8r1c8|26,r6c6r6c7r7c7r8c7r8c8|12,r3c2r3c3r4c3|13,r0c0r0c1|13,r7c4r7c5r8c5|10,r3c8r4c8|9,r2c0r2c1r2c2|7,r7c1r7c2|15,r3c4r3c5r3c6|10,r0c2r0c3|12,r7c6r8c6|11,r5c1r5c2r6c2|13,r1c3r2c3|7,r6c8r7c8|17,r2c7r2c8r3c7|8,r0c4r0c5|28,r5c3r5c4r6c3r6c4r6c5r7c3|16,r1c4r1c5r2c4|8,r7c0r8c0|16,r4c1r4c2|9,r0c6r0c7r1c7|6,r5c5r5c6|21,r1c6r2c5r2c6|12,r8c1r8c2|7,r4c4r4c5|15,r1c0r1c1r1c2|17,r5c7r5c8|35,r3c0r3c1r4c0r5c0r6c0r6c1", "solution": "948217536627953814135486729851329467479861253263745198792138645316574982584692371", "extra": "{\"grid_size\": 9, \"puzzle_number\": 337, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 338, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-04-21", "puzzle": 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"15,r6c0r7c0r8c0|11,r4c3r4c4r4c5|13,r0c8r1c8r2c8|16,r6c1r6c2r7c1|10,r3c1r3c2|6,r0c0r0c1|5,r7c2r7c3|5,r3c6r4c6|12,r1c0r2c0r3c0|13,r5c4r6c4r7c4|13,r2c5r3c5|15,r0c2r0c3r0c4|10,r7c5r7c6|9,r3c7r4c7|11,r1c1r2c1|12,r5c5r6c5r6c6|13,r4c0r5c0|20,r0c5r0c6r0c7|16,r8c1r8c2r8c3|13,r3c8r4c8|22,r2c2r2c3r3c3|13,r6c7r7c7|14,r4c1r5c1|3,r1c2r1c3|14,r8c4r8c5r8c6|17,r5c3r6c3|20,r1c4r2c4r3c4|10,r5c8r6c8r7c8|7,r4c2r5c2|13,r1c5r1c6|13,r8c7r8c8|11,r5c6r5c7|10,r1c7r2c6r2c7", "solution": "516273894342198576879654213128769435793542168654831927437925681961487352285316749", "extra": "{\"grid_size\": 9, \"puzzle_number\": 349, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 350, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-04-25", "puzzle": 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"19,r6c8r7c8r8c8|15,r1c6r2c5r2c6|4,r4c3r5c3|11,r0c0r1c0|14,r8c1r8c2|30,r1c7r1c8r2c7r2c8r3c8r4c7r4c8|30,r5c2r6c2r6c3r7c2r7c3|18,r0c3r0c4r1c3r1c4|14,r8c3r8c4|17,r2c3r3c2r3c3r4c2|25,r5c4r5c5r6c4r6c5|27,r0c5r0c6r0c7r0c8r1c5|7,r8c5r8c6|13,r2c4r3c4r4c4|20,r6c0r6c1r7c0r7c1r8c0|36,r0c1r0c2r1c1r2c0r2c1r3c0r3c1|35,r5c7r5c8r6c6r6c7r7c6r7c7r8c7|33,r3c5r3c6r3c7r4c5r4c6r5c6|3,r7c4r7c5|15,r1c2r2c2|19,r4c0r4c1r5c0r5c1", "solution": "954238716218765943367914285893472651641359827725186394532847169479621538186593472", "extra": "{\"grid_size\": 9, \"puzzle_number\": 351, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 353, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-04-26", "puzzle": 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"18,r5c8r6c8r7c8|42,r2c4r2c5r2c6r2c7r3c7r4c7r5c7|12,r4c6r5c6|14,r0c4r0c5r0c6r0c7|17,r7c0r7c1r8c0|3,r2c3r3c3|8,r4c0r5c0r6c0|37,r0c0r0c1r0c2r1c1r1c2r2c1r2c2|27,r7c2r7c3r7c4r7c5r8c5|9,r3c5r3c6|9,r5c2r5c3|26,r0c3r1c3r1c4r1c5r1c6|35,r6c6r6c7r7c6r7c7r8c6r8c7r8c8|12,r2c8r3c8r4c8|9,r5c5r6c5|19,r0c8r1c7r1c8|20,r8c1r8c2r8c3r8c4|11,r3c2r4c2|34,r3c1r4c1r5c1r6c1r6c2r6c3r6c4|15,r1c0r2c0r3c0|28,r3c4r4c3r4c4r4c5r5c4", "solution": "934826517681547293275193486793258164458619372126374958317465829549782631862931745", "extra": "{\"grid_size\": 9, \"puzzle_number\": 363, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 364, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-04-30", "puzzle": "14,r4c7r4c8r5c7|12,r1c1r2c1|18,r6c1r7c1r8c1|7,r4c1r4c2|31,r0c0r0c1r0c2r0c3r1c2|21,r5c3r5c4r6c3r6c4|21,r2c7r2c8r3c8|11,r7c2r8c2|20,r4c0r5c0r6c0|20,r0c5r0c6r0c7r0c8r1c6|6,r5c8r6c8|10,r3c0r3c1|5,r8c3r8c4|15,r5c1r5c2r6c2|29,r0c4r1c4r2c4r3c4r4c4|12,r7c3r7c4|6,r2c2r3c2|24,r7c5r8c5r8c6|10,r4c5r5c5r6c5|7,r1c7r1c8|23,r6c6r6c7r7c6r7c7r8c7|18,r1c3r2c3r3c3r4c3|14,r7c8r8c8|11,r4c6r5c6|6,r1c0r2c0|4,r7c0r8c0|30,r1c5r2c5r2c6r3c5r3c6r3c7", "solution": "693584172258971643471236589915627834834195267726843915587362491149758326362419758", "extra": "{\"grid_size\": 9, \"puzzle_number\": 364, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 365, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-04-30", "puzzle": 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"11,r5c5r5c6r6c5|10,r0c8r1c8|33,r6c6r6c7r7c6r7c7r7c8r8c7r8c8|14,r3c0r4c0r4c1|13,r0c3r0c4r1c4|19,r6c0r6c1r6c2r7c2|25,r1c1r1c2r1c3r2c1r3c1|10,r8c0r8c1|25,r3c7r4c7r4c8r5c7|20,r0c0r0c1r0c2r1c0r2c0|23,r4c3r5c3r6c3|20,r2c2r2c3r3c2r3c3|10,r8c2r8c3|8,r5c0r5c1|9,r0c5r1c5|7,r5c8r6c8|17,r2c4r2c5|17,r8c5r8c6|12,r4c2r5c2|19,r0c6r1c6r2c6r2c7|13,r7c0r7c1|13,r3c4r3c5r3c6|21,r4c4r4c5r4c6r5c4r6c4|11,r0c7r1c7|13,r7c3r7c4r7c5r8c4|12,r2c8r3c8", "solution": "185246739496573281237198645529384167364917528718625493971862354852431976643759812", "extra": "{\"grid_size\": 9, \"puzzle_number\": 367, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 368, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-05-01", "puzzle": "12,r5c2r5c3r5c4|6,r0c8r1c8|19,r7c1r7c2r8c2r8c3|12,r3c2r3c3r3c4|10,r0c4r0c5r1c5r2c5|32,r2c8r3c8r4c8r5c8r6c8|5,r2c0r2c1|10,r7c6r8c6|16,r4c0r4c1r4c2r4c3|17,r0c0r0c1r1c0|7,r6c0r6c1|21,r1c3r2c2r2c3|13,r7c7r8c7|24,r3c5r4c4r4c5r5c5|26,r0c2r0c3r1c1r1c2|15,r6c2r6c3r7c3|11,r1c4r2c4|7,r7c8r8c8|10,r3c7r4c7r5c7|12,r0c6r1c6|10,r6c4r7c4|38,r2c6r2c7r3c6r4c6r5c6r6c6r6c7|22,r6c5r7c5r8c4r8c5|14,r5c0r5c1|7,r0c7r1c7|17,r7c0r8c0r8c1|12,r3c0r3c1", "solution": "279813564836954712415762983751296438924138657683547129168429375547381296392675841", "extra": "{\"grid_size\": 9, \"puzzle_number\": 368, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 369, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-01", "puzzle": "15,r6c3r7c2r7c3|15,r2c3r2c4|32,r6c6r7c6r8c5r8c6r8c7|17,r4c6r4c7r4c8r5c6|32,r0c1r0c2r0c3r1c2r2c2|8,r6c4r6c5|16,r1c5r1c6r2c5|8,r5c1r5c2|22,r0c4r0c5r0c6r0c7r0c8|31,r5c0r6c0r6c1r6c2r7c0r7c1|7,r2c0r3c0|45,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4r5c5|8,r0c0r1c0|7,r7c4r7c5|11,r1c1r2c1r3c1|13,r5c7r6c7r7c7|9,r1c3r1c4|5,r7c8r8c8|15,r3c6r3c7|13,r5c8r6c8|30,r1c7r1c8r2c6r2c7r2c8r3c8|22,r8c0r8c1r8c2r8c3r8c4|24,r3c2r4c0r4c1r4c2", "solution": "597213648326458179148697325653921784984376251271845936835162497769534812412789563", "extra": "{\"grid_size\": 9, \"puzzle_number\": 369, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 370, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-05-02", "puzzle": "5,r6c8r7c8|11,r3c2r4c2|11,r0c7r1c7|9,r8c4r8c5r8c6|6,r5c3r5c4|10,r3c0r3c1|11,r0c0r0c1|5,r7c0r8c0|26,r3c3r4c3r4c4r4c5r5c5|17,r0c8r1c8|8,r8c7r8c8|8,r5c7r5c8|13,r3c4r3c5|8,r0c2r0c3r0c4|13,r7c1r8c1|13,r4c6r5c6|13,r1c0r2c0|14,r6c1r6c2|5,r3c6r3c7|20,r1c1r1c2r1c3r2c3|11,r7c2r8c2|14,r4c7r4c8|9,r2c1r2c2|10,r6c3r6c4|7,r2c8r3c8|12,r0c5r1c4r1c5|22,r7c3r7c4r8c3|5,r5c0r6c0|17,r2c4r2c5|14,r6c6r6c7|7,r4c0r4c1|11,r0c6r1c6|22,r6c5r7c5r7c6r7c7|14,r5c1r5c2|4,r2c6r2c7", "solution": "832157649691423578745698132914876325527319486386245917259734861163582794478961253", "extra": "{\"grid_size\": 9, \"puzzle_number\": 370, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 373, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-05-03", "puzzle": "19,r6c5r7c5r7c6r8c6|5,r3c2r4c2|16,r1c6r1c7|16,r5c2r6c1r6c2|11,r2c3r3c3|11,r0c0r0c1r0c2|16,r6c8r7c7r7c8|13,r3c6r4c6|15,r1c0r2c0|15,r5c4r6c4r7c4|7,r2c4r3c4|22,r0c3r0c4r0c5|10,r8c0r8c1|5,r4c7r4c8|15,r2c1r2c2|14,r5c6r6c6r6c7|4,r2c5r3c5|12,r0c6r0c7r0c8|11,r8c3r8c4r8c5|9,r5c0r5c1|7,r2c6r2c7|11,r6c0r7c0r7c1|13,r3c7r3c8|4,r1c1r1c2|13,r8c7r8c8|29,r4c3r4c4r4c5r5c3r5c5|10,r1c8r2c8|23,r6c3r7c2r7c3r8c2|13,r4c0r4c1|15,r1c3r1c4r1c5|10,r5c7r5c8|11,r3c0r3c1", "solution": "452697318613258974978431256291743685584916732367825491145369827829574163736182549", "extra": "{\"grid_size\": 9, \"puzzle_number\": 373, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 371, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-05-02", "puzzle": 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"21,r6c0r6c1r7c0r8c0|10,r0c7r1c7|11,r7c1r8c1|6,r3c5r3c6|12,r0c0r0c1r0c2|27,r5c5r6c5r7c5r8c5r8c6|8,r0c8r1c8r2c8|23,r7c2r7c3r8c2r8c3r8c4|29,r3c1r4c0r4c1r5c0r5c1|12,r0c3r0c4r0c5|7,r6c6r6c7|13,r1c0r2c0r3c0|25,r4c3r4c4r4c5r4c6r5c3r5c4|21,r1c1r1c2r2c1|10,r5c8r6c8|25,r2c5r2c6r2c7r3c7|19,r3c8r4c7r4c8|27,r1c3r1c4r1c5r2c3r3c3|8,r6c4r7c4|27,r2c2r3c2r4c2r5c2r6c2r6c3|12,r5c6r5c7|13,r0c6r1c6|27,r7c6r7c7r7c8r8c7r8c8|12,r2c4r3c4", "solution": "138246975659817432472539681347691528965382147281475396713968254596724813824153769", "extra": "{\"grid_size\": 9, \"puzzle_number\": 374, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 375, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-03", "puzzle": "18,r6c6r6c7r6c8r7c8|10,r1c7r1c8|28,r7c4r8c4r8c5r8c6r8c7r8c8|25,r4c2r4c3r4c4r4c5r4c6|29,r0c0r0c1r0c2r0c3r0c4r1c4|3,r7c0r7c1|17,r1c0r2c0r2c1r2c2|10,r5c0r6c0|23,r0c6r0c7r0c8r1c6r2c6|23,r6c3r6c4r7c3r8c3|15,r3c0r3c1r4c0r4c1|14,r5c1r6c1|17,r1c1r1c2|5,r6c5r7c5|25,r3c2r3c3r3c4r3c5r3c6|27,r5c2r5c3r5c4r5c5r5c6|5,r1c3r2c3|16,r7c6r7c7|12,r2c7r3c7|20,r4c7r4c8r5c7r5c8|22,r0c5r1c5r2c4r2c5|31,r6c2r7c2r8c0r8c1r8c2|10,r2c8r3c8", "solution": "632894715598317246471265839825736491143529687769481523386972154214653978957148362", "extra": "{\"grid_size\": 9, \"puzzle_number\": 375, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 376, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-05-04", "puzzle": "24,r5c8r6c7r6c8r7c8|4,r1c1r2c1|11,r8c4r8c5r8c6|15,r3c8r4c7r4c8|21,r0c1r0c2r0c3r1c2|8,r6c1r7c1r7c2|25,r1c3r2c2r2c3r2c4r3c2|8,r8c7r8c8|18,r5c0r5c1r6c0|14,r0c0r1c0|24,r7c3r8c2r8c3|13,r2c0r3c0r4c0|14,r5c4r6c4|15,r0c4r0c5r1c4|5,r7c4r7c5|12,r3c1r4c1|32,r4c6r5c6r5c7r6c5r6c6|45,r0c6r1c5r1c6r2c5r2c6r2c7r2c8r3c6r3c7|14,r7c6r7c7|14,r4c2r4c3|15,r5c2r5c3r6c2r6c3|13,r0c7r0c8r1c7r1c8|13,r7c0r8c0r8c1|28,r3c3r3c4r3c5r4c4r4c5r5c5", "solution": "892615437634897512715243698586379124149526783273481956927168345451732869368954271", "extra": "{\"grid_size\": 9, \"puzzle_number\": 376, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 377, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-05-04", "puzzle": "13,r5c6r5c7r5c8|9,r0c8r1c8r2c8|10,r8c0r8c1r8c2|20,r2c5r2c6r3c6|23,r0c0r0c1r1c0r1c1|17,r5c1r6c1|24,r1c7r2c7r3c7|15,r7c4r8c3r8c4|19,r4c0r4c1r4c2r5c0|13,r0c2r0c3|14,r5c2r6c2r6c3|5,r2c0r3c0|14,r6c5r7c5r8c5|35,r4c4r4c5r4c6r5c4r5c5r6c4|7,r0c6r0c7|14,r6c0r7c0|19,r1c2r1c3r2c1r2c2r3c1|31,r6c8r7c7r7c8r8c6r8c7r8c8|14,r3c8r4c7r4c8|22,r0c4r0c5r1c4r2c4|18,r7c1r7c2r7c3|15,r2c3r3c2r3c3|4,r4c3r5c3|10,r1c5r1c6|14,r6c6r6c7r7c6|6,r3c4r3c5", "solution": "879435162352761984416289573138542697647198325295376418983624751564817239721953846", "extra": "{\"grid_size\": 9, \"puzzle_number\": 377, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 378, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-04", "puzzle": 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"17,r5c7r6c6r6c7r7c6|7,r2c3r2c4|13,r8c5r8c6|11,r4c6r5c6|15,r0c0r1c0|18,r7c0r7c1r8c0r8c1|38,r0c5r0c6r0c7r0c8r1c8r2c8r3c8|14,r8c7r8c8|11,r4c7r4c8|19,r0c1r0c2r0c3r1c1|27,r6c0r6c1r6c2r7c2r8c2|9,r2c0r3c0|5,r4c0r5c0|13,r0c4r1c4|25,r6c3r6c4r7c3r7c4|13,r3c1r3c2r3c3|29,r4c1r4c2r5c1r5c2|12,r1c6r1c7r2c7|10,r5c8r6c8r7c7r7c8|26,r1c5r2c5r2c6r3c6r3c7|14,r5c5r6c5r7c5|15,r1c2r1c3r2c1r2c2|9,r8c3r8c4|35,r3c4r3c5r4c3r4c4r4c5r5c3r5c4", "solution": "937542816641798325852163479164385297275419683398627541729836154486951732513274968", "extra": "{\"grid_size\": 9, \"puzzle_number\": 386, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 384, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-06", "puzzle": 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"11,r7c6r7c7|15,r3c4r4c4r5c4|13,r1c1r1c2|22,r5c0r6c0r6c1r6c2|6,r3c1r3c2|6,r0c1r0c2|11,r7c8r8c8|18,r3c5r4c5r4c6|13,r1c3r1c4r2c4r2c5|12,r6c6r6c7r6c8|13,r2c3r3c3|13,r0c3r0c4|7,r8c0r8c1|24,r3c6r3c7r4c7|5,r1c5r1c6|7,r7c0r7c1|8,r3c0r4c0|13,r0c5r0c6|16,r8c2r8c3|7,r4c8r5c8|13,r1c7r1c8|11,r7c2r7c3|20,r4c1r5c1r5c2|4,r0c7r0c8|7,r8c4r8c5|11,r5c5r6c5|10,r2c0r2c1r2c2|26,r6c3r6c4r7c4r7c5|6,r4c2r4c3r5c3|16,r0c0r1c0|11,r8c6r8c7|7,r5c6r5c7|23,r2c6r2c7r2c8r3c8", "solution": "942587631785613249316924758251476893693158472874239165437892516168345927529761384", "extra": "{\"grid_size\": 9, \"puzzle_number\": 385, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 387, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-07", "puzzle": "12,r5c5r5c6r5c7|22,r1c6r1c7r2c7|14,r7c6r7c7|21,r3c1r4c1r4c2r4c3|11,r0c0r0c1r0c2|18,r4c8r5c8r6c8r7c8|12,r1c0r2c0r3c0|12,r8c0r8c1r8c2|23,r3c7r4c5r4c6r4c7|24,r0c3r0c4r0c5|17,r6c1r6c2r6c3|17,r2c3r2c4r2c5r3c4|10,r7c3r8c3|25,r4c0r5c0r6c0r7c0|10,r0c6r0c7r0c8|15,r6c5r6c6r6c7|14,r1c8r2c8r3c8|13,r7c5r8c5|14,r5c1r5c2r5c3|14,r1c1r1c2r2c1|6,r7c1r7c2|23,r2c2r3c2r3c3|13,r8c6r8c7r8c8|6,r4c4r5c4|11,r1c3r1c4r1c5|15,r6c4r7c4r8c4|13,r2c6r3c5r3c6", "solution": "263798415781524963459361872146872359592613784837459126978235641324186597615947238", "extra": "{\"grid_size\": 9, \"puzzle_number\": 387, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 388, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-05-08", "puzzle": "14,r5c2r5c3r5c4|9,r1c0r2c0|21,r6c6r7c6r8c6|12,r2c4r3c4r4c4|11,r0c0r0c1|12,r6c1r6c2r6c3|30,r1c1r1c2r1c3r2c1r2c2|10,r6c8r7c8|7,r3c5r3c6|9,r0c2r0c3|12,r5c5r6c5r7c5|25,r1c5r1c6r1c7r2c5r2c6|12,r7c1r8c1|38,r2c7r3c7r4c7r4c8r5c7r5c8r6c7|10,r0c4r0c5r1c4|12,r6c0r7c0r8c0|10,r2c8r3c8|10,r7c7r8c7r8c8|22,r3c2r4c1r4c2r4c3r5c1|11,r0c6r0c7|19,r7c2r7c3r8c2r8c3|23,r3c0r3c1r4c0r5c0|17,r4c5r4c6r5c6|9,r0c8r1c8|29,r6c4r7c4r8c4r8c5|11,r2c3r3c3", "solution": "924561387167938452835427196381795264546213978792846513618352749259674831473189625", "extra": "{\"grid_size\": 9, \"puzzle_number\": 388, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 389, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-05-08", "puzzle": "11,r6c5r6c6|15,r2c3r2c4|10,r8c3r8c4|15,r4c0r5c0|9,r0c0r0c1|6,r7c2r7c3|16,r2c0r2c1r3c0|21,r7c6r8c5r8c6|21,r5c2r5c3r6c2r6c3|13,r0c2r0c3|15,r5c4r6c4r7c4r7c5|14,r3c1r4c1r4c2r4c3|12,r4c6r5c6|18,r0c4r0c5r1c4r1c5r2c5|14,r5c7r6c7r7c7r8c7|9,r2c2r3c2|9,r5c8r6c8|22,r1c0r1c1r1c2r1c3|16,r7c8r8c8|35,r3c3r3c4r3c5r4c4r4c5r5c5|10,r5c1r6c1|45,r0c6r0c7r0c8r1c6r1c7r1c8r2c6r2c7r2c8|26,r6c0r7c0r7c1r8c0r8c1r8c2|23,r3c6r3c7r3c8r4c7r4c8", "solution": "456783912179542386832961475587294163621378594943615728768459231295136847314827659", "extra": "{\"grid_size\": 9, \"puzzle_number\": 389, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 391, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-05-09", "puzzle": "9,r5c3r6c3|19,r0c7r0c8r1c7r1c8|7,r7c3r7c4|33,r2c4r3c4r4c4r5c4r6c4|16,r0c0r0c1r1c0|34,r2c6r3c5r3c6r4c5r5c5r5c6r6c6|10,r1c1r2c1|4,r7c6r8c6|14,r2c7r2c8r3c8|3,r0c4r0c5|11,r5c8r6c7r6c8|13,r1c5r2c5|25,r7c7r7c8r8c7r8c8|9,r4c2r4c3|13,r0c2r0c3r1c2|12,r6c1r7c1|41,r2c0r3c0r3c1r4c0r4c1r5c0r5c1r6c0|11,r7c0r8c0r8c1|26,r3c7r4c6r4c7r4c8r5c7|7,r1c3r1c4|7,r6c5r7c5|13,r2c2r3c2|10,r8c4r8c5|5,r5c2r6c2|17,r0c6r1c6|21,r7c2r8c2r8c3|15,r2c3r3c3", "solution": "453812976792436815618957423875641239126379548934285761541793682289164357367528194", "extra": "{\"grid_size\": 9, \"puzzle_number\": 391, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 390, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-08", "puzzle": 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"11,r8c7r8c8|12,r4c0r5c0|16,r0c7r0c8r1c7r1c8|25,r6c0r6c1r6c2r7c2r8c2|6,r2c4r3c4|14,r0c4r0c5r0c6|14,r4c2r5c1r5c2|19,r1c3r2c3r3c3|8,r6c5r7c4r7c5|13,r3c7r4c7|5,r0c0r1c0|16,r5c5r5c6r5c7|16,r2c5r3c5r3c6|20,r6c6r7c6r7c7r7c8|10,r3c1r3c2r4c1|22,r0c1r1c1r2c1r2c2|15,r6c3r6c4r7c3|19,r1c6r2c6r2c7|13,r8c3r8c4|16,r4c3r4c4r5c3r5c4|19,r0c2r0c3r1c2|13,r5c8r6c7r6c8|16,r2c8r3c8r4c8|11,r8c5r8c6|11,r4c5r4c6|12,r1c4r1c5|20,r7c0r7c1r8c0r8c1|13,r2c0r3c0", "solution": "398567124216984573457312689931756842762148395584293761629831457873425916145679238", "extra": "{\"grid_size\": 9, \"puzzle_number\": 400, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 403, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-05-13", "puzzle": "14,r7c8r8c8|14,r4c5r5c5|7,r1c3r1c4|41,r6c3r6c4r7c2r7c3r7c4r8c4r8c5r8c6|33,r3c6r3c7r3c8r4c6r4c7|6,r0c0r0c1|9,r4c8r5c8|14,r0c6r1c5r1c6|21,r6c5r7c5r7c6|14,r4c0r4c1r5c1|15,r0c2r0c3|10,r5c0r6c0|31,r1c0r2c0r2c1r2c2r3c0r3c1|9,r7c0r8c0|4,r4c2r4c3|12,r0c4r0c5|6,r5c6r5c7r6c6|23,r2c3r2c4r3c2r3c3|9,r8c1r8c2r8c3|14,r5c2r5c3|26,r0c7r0c8r1c7r1c8r2c8|5,r6c7r6c8|7,r2c6r2c7|9,r7c7r8c7|11,r4c4r5c4|11,r1c1r1c2|18,r6c1r6c2r7c1|12,r2c5r3c4r3c5", "solution": "516984732783162594924753168369218457271345986458679213695827341147536829832491675", "extra": "{\"grid_size\": 9, \"puzzle_number\": 403, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 402, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-12", "puzzle": "27,r3c6r4c6r4c7r4c8r5c7r5c8|19,r1c1r1c2r2c1|18,r8c1r8c2r8c3|15,r3c4r4c3r4c4|12,r0c0r0c1r1c0|13,r5c5r5c6r6c5r6c6|10,r2c2r2c3r3c2r3c3|24,r7c7r7c8r8c7r8c8|15,r3c5r4c5|11,r0c2r0c3|13,r6c7r6c8|35,r1c7r2c4r2c5r2c6r2c7r3c7|16,r4c0r5c0r5c1|18,r0c4r0c5r1c5|27,r6c0r6c1r7c0r8c0|16,r1c8r2c8r3c8|25,r4c2r5c2r6c2r7c1r7c2r7c3|17,r0c6r0c7r0c8r1c6|31,r6c3r6c4r7c4r7c5r8c4r8c5|3,r2c0r3c0|10,r5c3r5c4|12,r1c3r1c4|5,r7c6r8c6|13,r3c1r4c1", "solution": "719265843485937261263148957192476538847359612356821794974612385621583479538794126", "extra": "{\"grid_size\": 9, \"puzzle_number\": 402, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 401, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-05-12", "puzzle": "23,r8c4r8c5r8c6r8c7r8c8|26,r3c0r4c0r5c0r5c1r6c0|14,r1c4r1c5|17,r6c7r6c8r7c7r7c8|10,r2c4r2c5|8,r0c0r0c1|24,r4c1r4c2r4c3r4c4r5c4|11,r0c6r1c6|12,r6c1r6c2r7c1|19,r2c6r2c7r3c5r3c6|3,r0c2r0c3|11,r5c2r5c3|3,r1c7r1c8|20,r7c2r7c3r8c2r8c3|6,r3c1r3c2|13,r0c4r0c5|18,r4c5r4c6r5c5r5c6|6,r1c0r2c0|19,r6c5r6c6r7c5r7c6|14,r3c3r3c4|13,r0c7r0c8|17,r4c8r5c7r5c8|14,r2c1r2c2|22,r7c0r8c0r8c1|24,r2c8r3c7r3c8r4c7|16,r1c1r1c2|16,r6c3r6c4r7c4|6,r1c3r2c3", "solution": "531294867479586321286137495324865179165749238798321654617453982843972516952618743", "extra": "{\"grid_size\": 9, \"puzzle_number\": 401, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 404, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-05-13", "puzzle": 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"8,r5c5r5c6|9,r1c2r2c2|11,r6c7r7c6r7c7|17,r3c0r4c0r5c0|25,r0c1r0c2r0c3r0c4|9,r6c0r6c1|20,r1c4r2c4r2c5r2c6|19,r8c1r8c2r8c3r8c4|20,r4c2r4c3r4c4r4c5|20,r0c5r0c6r0c7r0c8r1c5|11,r6c2r7c2|9,r1c8r2c8|27,r7c5r8c5r8c6r8c7r8c8|7,r4c6r4c7|13,r0c0r1c0r1c1|27,r6c4r6c5r6c6r7c4|19,r1c3r2c3r3c3r3c4|25,r3c1r3c2r4c1r5c1r5c2|18,r1c6r1c7r2c7|9,r6c8r7c8|7,r3c5r3c6|25,r5c3r5c4r6c3r7c3|11,r2c0r2c1|12,r7c0r7c1r8c0|27,r3c7r3c8r4c8r5c7r5c8", "solution": "439856217187924635562137894651273489973485162248691753725368941316749528894512376", "extra": "{\"grid_size\": 9, \"puzzle_number\": 405, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 407, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-05-14", "puzzle": "9,r5c4r6c4|8,r0c7r1c7|7,r8c0r8c1|20,r4c1r4c2r5c1|10,r0c4r0c5|16,r5c5r5c6r6c5r6c6|10,r0c8r1c8|16,r8c4r8c5|6,r4c5r4c6|21,r0c0r0c1r1c0|12,r4c8r5c8|11,r1c4r1c5r2c4|40,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|18,r3c7r4c7r5c7|41,r0c2r1c1r1c2r2c0r2c1r2c2r2c3r3c2|37,r6c0r6c1r6c2r7c2r8c2r8c3|8,r3c0r3c1|4,r4c0r5c0|10,r0c3r1c3|5,r7c0r7c1|15,r3c3r3c4r4c3r4c4|15,r5c2r5c3r6c3|30,r0c6r1c6r2c6r2c7r2c8r3c8|19,r7c3r7c4r7c5|17,r2c5r3c5r3c6", "solution": "842391756961725834537846129629157483185634297374982615796213548413568972258479361", "extra": "{\"grid_size\": 9, \"puzzle_number\": 407, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 408, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-14", "puzzle": 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"17,r4c7r5c7|13,r1c0r2c0r3c0|22,r6c3r6c4r7c4r8c3r8c4|3,r3c6r4c6|13,r0c0r0c1|7,r5c6r6c6|13,r1c1r1c2r2c1|13,r6c7r7c6r7c7|11,r3c7r3c8|17,r0c2r0c3r0c4|13,r4c8r5c8r6c8|16,r2c2r2c3|14,r7c8r8c8|24,r4c0r4c1r4c2r5c0r5c2|8,r1c3r1c4|35,r5c1r6c0r6c1r6c2r7c2r7c3r8c2|5,r2c4r2c5|17,r8c5r8c6r8c7|21,r3c3r4c3r5c3r5c4r5c5|9,r0c5r1c5|17,r6c5r7c5|26,r0c6r1c6r2c6r2c7r2c8|24,r3c4r3c5r4c4r4c5|19,r0c7r0c8r1c7r1c8|18,r7c0r7c1r8c0r8c1|10,r3c1r3c2", "solution": "943862751162357849857941623428793165631584297579216384395678412284139576716425938", "extra": "{\"grid_size\": 9, \"puzzle_number\": 409, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 411, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-15", "puzzle": 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"3,r7c7r7c8|6,r4c5r4c6|13,r0c3r0c4r1c3|26,r5c5r5c6r6c5r6c6|8,r3c0r4c0|5,r0c5r0c6|11,r8c2r8c3|9,r5c1r5c2|14,r1c4r1c5|9,r6c7r6c8|17,r2c2r2c3r3c2r3c3|20,r0c7r0c8r1c8|9,r8c4r8c5|16,r4c8r5c7r5c8|9,r1c6r1c7r2c7|42,r6c1r6c2r7c0r7c1r7c2r8c0r8c1|12,r2c4r3c4|11,r0c0r1c0|11,r8c7r8c8|3,r5c0r6c0|10,r2c0r2c1|9,r7c4r7c5|12,r3c7r4c7|7,r0c1r1c1|12,r6c3r7c3|18,r2c5r2c6r3c5r3c6|13,r7c6r8c6|16,r3c1r4c1|12,r0c2r1c2|30,r4c2r4c3r4c4r5c3r5c4r6c4|12,r2c8r3c8", "solution": "469182357713459268825637419574291683396875142281346795158724936947563821632918574", "extra": "{\"grid_size\": 9, \"puzzle_number\": 417, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 416, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-16", "puzzle": "9,r7c7r8c7r8c8|14,r5c4r5c5|24,r0c7r0c8r1c7r1c8|11,r7c2r7c3|9,r2c5r3c5r3c6|10,r0c1r0c2r0c3|13,r5c6r5c7|9,r1c3r2c3|12,r7c5r7c6|11,r3c7r3c8|16,r0c0r1c0r1c1|8,r5c1r6c1|14,r2c0r3c0|33,r6c0r7c0r7c1r8c0r8c1r8c2|6,r3c3r4c3|13,r0c4r1c4|23,r5c2r5c3r6c2r6c3|13,r2c1r3c1|14,r6c4r7c4r8c3r8c4|12,r4c7r4c8|9,r0c5r1c5|12,r6c5r6c6r6c7|17,r1c2r2c2r3c2|16,r8c5r8c6|17,r4c0r4c1r4c2r5c0|21,r0c6r1c6r2c6r2c7r2c8|14,r5c8r6c8r7c8|25,r2c4r3c4r4c4r4c5r4c6", "solution": "321796845857143269946852371594271683268439157173568492719624538632985714485317926", "extra": "{\"grid_size\": 9, \"puzzle_number\": 416, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 412, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-05-16", "puzzle": "13,r7c1r8c1|10,r4c1r4c2|7,r0c7r1c7|14,r4c5r5c5r5c6|27,r2c4r3c4r4c4r5c4r6c4|15,r0c1r0c2|11,r7c2r7c3r8c2|11,r4c6r4c7|10,r0c8r1c8|13,r6c0r6c1|7,r2c5r3c5|17,r0c0r1c0r1c1|10,r7c4r8c3r8c4|10,r4c8r5c7r5c8|8,r2c0r2c1|13,r6c5r6c6|15,r2c6r3c6|16,r0c3r1c2r1c3|20,r7c5r7c6r8c5|10,r5c0r5c1|7,r2c2r2c3|3,r6c7r6c8|17,r3c7r3c8|17,r0c4r0c5r1c4|22,r7c7r7c8r8c8|14,r5c2r6c2|12,r2c7r2c8|5,r7c0r8c0|13,r3c0r3c1r4c0|8,r0c6r1c5r1c6|9,r8c6r8c7|11,r5c3r6c3|10,r3c2r3c3r4c3", "solution": "896472513543981267712563984137254698928136745465897132679345821254618379381729456", "extra": "{\"grid_size\": 9, \"puzzle_number\": 412, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 419, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-17", "puzzle": "16,r5c0r6c0r7c0r8c0|13,r1c7r2c7|19,r7c6r7c7r7c8r8c8|21,r3c2r4c2r4c3r4c4|22,r0c0r0c1r1c0r1c1|18,r5c3r6c2r6c3|6,r2c0r3c0|11,r8c6r8c7|37,r0c8r1c8r2c8r3c7r3c8r4c7r4c8|15,r0c2r0c3r1c2|29,r5c4r6c4r6c5r6c6r6c7r7c5|17,r2c1r2c2r3c1|14,r5c1r5c2|19,r0c4r0c5r0c6r0c7|8,r5c8r6c8|14,r2c4r3c3r3c4|5,r4c5r5c5|14,r1c3r1c4r2c3|27,r6c1r7c1r7c2r8c1r8c2|11,r2c5r3c5|15,r4c6r5c6r5c7|19,r1c5r1c6r2c6r3c6|27,r7c3r7c4r8c3r8c4r8c5|8,r4c0r4c1", "solution": "812657439947283561536419278184762953623591847795834612359148726268375194471926385", "extra": "{\"grid_size\": 9, \"puzzle_number\": 419, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 418, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-05-17", "puzzle": "7,r6c7r7c7|5,r2c3r2c4|9,r8c3r8c4|13,r3c6r4c6|33,r0c4r0c5r0c6r0c7r0c8r1c8|11,r7c1r8c1|29,r1c5r2c5r3c4r3c5r4c4r4c5|26,r5c3r5c4r5c5r6c4|25,r0c0r0c1r0c2r0c3r1c0|6,r7c3r7c4|31,r2c6r2c7r2c8r3c7r3c8r4c7|29,r4c8r5c6r5c7r5c8r6c6r7c6|11,r1c2r1c3r1c4|14,r6c5r7c5r8c5r8c6|21,r2c2r3c2r3c3r4c3|33,r5c0r5c1r5c2r6c0r6c1r7c0r8c0|9,r1c6r1c7|25,r6c8r7c8r8c7r8c8|4,r3c0r4c0|12,r6c2r6c3|24,r1c1r2c0r2c1r3c1|17,r7c2r8c2|11,r4c1r4c2", "solution": "921576384836419275754238961192745638365821749487693512213987456679154823548362197", "extra": "{\"grid_size\": 9, \"puzzle_number\": 418, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 413, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-05-16", "puzzle": 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"16,r7c7r8c6r8c7|15,r4c7r4c8|24,r0c6r0c7r0c8r1c8r2c8|20,r6c4r6c5r6c6r6c7|11,r2c5r3c5r3c6|11,r0c0r0c1r0c2|10,r6c8r7c8r8c8|19,r5c0r5c1r6c0|24,r1c2r2c2r3c2r4c2|22,r7c0r7c1r8c0r8c1|8,r3c7r3c8|10,r1c0r1c1r2c0|14,r5c2r5c3r6c3|21,r1c6r1c7r2c6r2c7|21,r7c3r8c2r8c3|8,r4c0r4c1|6,r0c3r1c3|11,r5c5r5c6|24,r2c1r3c0r3c1|6,r7c4r8c4|16,r4c3r4c4r5c4|12,r0c4r1c4|9,r5c7r5c8|8,r2c3r3c3|21,r7c5r7c6r8c5|6,r4c5r4c6|17,r0c5r1c5|8,r6c1r6c2r7c2|7,r2c4r3c4", "solution": "236458179148279563579163824984716235713582496652934718825391647361847952497625381", "extra": "{\"grid_size\": 9, \"puzzle_number\": 420, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 422, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-18", "puzzle": 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"5,r7c7r8c7|10,r4c6r5c6|11,r1c3r1c4|8,r5c5r6c5|16,r3c1r4c1|14,r0c0r0c1|5,r7c8r8c8|8,r4c7r5c7|37,r0c6r1c6r1c7r2c6r2c7r2c8|12,r6c6r7c6|10,r3c2r3c3|18,r0c3r0c4r0c5|16,r7c0r8c0r8c1|20,r3c8r4c8r5c8|3,r2c1r2c2|17,r6c7r6c8|22,r3c4r3c5r4c4r4c5|8,r0c7r0c8r1c8|18,r8c2r8c3r8c4|6,r4c0r5c0r6c0|8,r2c3r2c4|24,r5c1r6c1r7c1r7c2r7c3|7,r3c6r3c7|14,r1c0r1c1|14,r8c5r8c6|18,r5c2r5c3r6c2r6c3|8,r1c5r2c5|6,r7c4r7c5|13,r4c2r4c3|10,r0c2r1c2|10,r5c4r6c4|9,r2c0r3c0", "solution": "957684321863921475421357986592843167178569234346172859214736598689215743735498612", "extra": "{\"grid_size\": 9, \"puzzle_number\": 423, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 426, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-05-20", "puzzle": 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"24,r5c6r5c7r6c6r6c7|25,r0c6r1c5r1c6r2c5r2c6|19,r7c1r7c2r8c1|9,r4c1r4c2|12,r0c3r0c4r0c5|8,r4c8r5c8|12,r2c0r2c1r3c0|15,r7c6r7c7r8c7|16,r4c3r4c4r4c5|25,r0c0r0c1r1c0r1c1|17,r5c3r6c3r7c3|13,r3c1r3c2|13,r6c8r7c8r8c8|12,r4c6r4c7|8,r1c4r2c4|10,r5c4r6c4r7c4|15,r3c3r3c4r3c5|26,r8c2r8c3r8c4r8c5r8c6|11,r4c0r5c0|15,r0c7r0c8r1c7r1c8|11,r5c5r6c5r7c5|9,r3c6r3c7|16,r5c1r5c2r6c1r6c2|27,r0c2r1c2r1c3r2c2r2c3|18,r6c0r7c0r8c0|19,r2c7r2c8r3c8", "solution": "896435217172968534453721968367294185245187396918356742734612859529843671681579423", "extra": "{\"grid_size\": 9, \"puzzle_number\": 428, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 429, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-05-21", "puzzle": 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"15,r6c5r6c6r7c5|16,r1c0r2c0|23,r4c7r5c7r6c7r7c6r7c7|26,r0c0r0c1r0c2r0c3r0c4|23,r5c1r6c1r6c2r7c2r7c3|14,r2c3r3c3|25,r4c8r5c8r6c8r7c8r8c8|18,r1c1r1c2r1c3r1c4r2c1|17,r7c0r7c1r8c0r8c1|19,r2c2r3c1r3c2|24,r4c3r4c4r5c3r5c4|7,r0c5r1c5|7,r8c2r8c3|7,r3c7r3c8|16,r5c5r5c6|38,r1c6r1c7r2c4r2c5r2c6r2c7r3c6r4c6|24,r6c3r6c4r7c4r8c4r8c5|27,r3c0r4c0r4c1r4c2r5c2|8,r5c0r6c0|30,r0c6r0c7r0c8r1c8r2c8|15,r8c6r8c7|6,r3c4r3c5r4c5", "solution": "861924573925173486734865219478631952596782341213459768647398125159246837382517694", "extra": "{\"grid_size\": 9, \"puzzle_number\": 431, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 432, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-05-22", "puzzle": 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"14,r8c3r8c4r8c5|10,r5c0r6c0|25,r1c0r2c0r3c0r4c0|15,r6c3r7c3|12,r2c5r3c5|3,r0c0r0c1|22,r7c6r8c6r8c7|10,r5c1r6c1|18,r1c1r2c1r3c1|9,r6c4r7c4|5,r2c6r3c6|44,r0c2r0c3r0c4r0c5r0c6r1c4r2c4r3c4|34,r5c2r5c3r5c4r5c5r5c6r6c2r6c6|19,r1c7r2c7r3c7|7,r6c5r7c5|8,r4c1r4c2|15,r0c7r0c8|10,r5c7r6c7|16,r1c8r2c8r3c8r4c8|15,r7c7r7c8r8c8|19,r4c3r4c4r4c5|7,r1c2r1c3|7,r5c8r6c8|11,r2c2r3c2|13,r7c2r8c1r8c2|8,r4c6r4c7|8,r1c5r1c6|14,r7c0r7c1r8c0|7,r2c3r3c3", "solution": "123584769594367182786129345415693278962478531837215694279856413358741926641932857", "extra": "{\"grid_size\": 9, \"puzzle_number\": 456, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 457, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-05-30", "puzzle": 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"14,r6c1r6c2r7c2r7c3|22,r0c8r1c8r2c8r3c8|28,r4c4r4c5r4c6r4c7r4c8r5c8|20,r0c5r0c6r0c7|15,r7c1r8c0r8c1|10,r2c1r2c2|17,r4c2r5c2|24,r0c0r0c1r1c0r1c1|37,r7c4r7c5r7c6r8c2r8c3r8c4r8c5r8c6|14,r2c6r2c7r3c7|24,r5c3r5c4r6c3|21,r0c2r0c3r1c2r1c3|32,r6c6r6c7r6c8r7c7r7c8r8c7r8c8|16,r2c0r3c0r3c1r3c2|33,r4c0r4c1r5c0r5c1r6c0r7c0|23,r0c4r1c4r1c5r2c3r2c4r2c5|14,r3c5r3c6|24,r5c5r5c6r5c7r6c4r6c5|9,r1c6r1c7|8,r3c3r3c4r4c3", "solution": "192637584684915723573428196317256849269184357458793261721849635936572418845361972", "extra": "{\"grid_size\": 9, \"puzzle_number\": 464, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 465, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-06-02", "puzzle": 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"11,r8c2r8c3|18,r3c8r4c8r5c8|13,r1c6r1c7|33,r6c5r6c6r6c7r6c8r7c8r8c8|12,r3c6r3c7|11,r0c1r0c2|13,r8c4r8c5|3,r5c5r5c6|19,r2c1r2c2r3c1|10,r7c0r7c1|10,r4c0r4c1|9,r0c3r0c4|8,r4c7r5c7|20,r1c5r2c4r2c5r2c6|17,r6c3r7c2r7c3|21,r4c2r4c3r5c2r5c3|25,r0c5r0c6r0c7r0c8r1c8|13,r5c0r6c0|8,r2c7r2c8|18,r7c6r7c7r8c6r8c7|11,r3c4r4c4|4,r0c0r1c0|8,r5c1r6c1r6c2|10,r2c0r3c0|15,r8c0r8c1|14,r3c5r4c5r4c6|19,r1c1r1c2r1c3r1c4|18,r5c4r6c4r7c4r7c5|14,r2c3r3c2r3c3", "solution": "156278349372649851498513762621857934739462518845391276513926487287134695964785123", "extra": "{\"grid_size\": 9, \"puzzle_number\": 468, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 470, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-03", "puzzle": "12,r5c6r5c7r6c6|13,r2c0r2c1r3c1|17,r8c0r8c1|25,r3c2r3c4r4c2r4c3r4c4|14,r0c0r0c1r0c2r0c3|15,r6c7r6c8r7c8|15,r1c2r2c2|16,r7c2r7c3r8c2r8c3|11,r3c5r4c5|10,r0c4r0c5|8,r6c0r7c0|24,r1c5r2c4r2c5r2c6|22,r8c4r8c5r8c6r8c7r8c8|20,r4c7r4c8r5c8|9,r1c0r1c1|23,r6c1r6c2r6c3r7c1|12,r2c3r3c3|21,r3c0r4c0r4c1r5c0r5c1|10,r1c3r1c4|11,r7c4r7c5|19,r2c7r3c6r3c7r4c6|25,r5c2r5c3r5c4r5c5r6c4r6c5|7,r0c6r1c6|11,r7c6r7c7|35,r0c7r0c8r1c7r1c8r2c8r3c8", "solution": "813264597456197283729358416147985362235416978698732145362841759574629831981573624", "extra": "{\"grid_size\": 9, \"puzzle_number\": 470, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 469, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-06-03", "puzzle": "14,r8c4r8c5|11,r4c8r5c8|36,r0c7r0c8r1c6r1c7r1c8r2c7|13,r6c7r6c8|22,r2c5r2c6r3c5r3c6|11,r0c0r0c1|10,r8c6r8c7|27,r5c0r5c1r6c0r6c1|8,r1c0r2c0|18,r7c0r7c1r8c0r8c1|8,r3c0r4c0|12,r0c3r0c4|28,r3c3r4c3r4c4r5c3r5c4r5c5|14,r1c1r2c1r3c1|22,r7c2r7c3r8c2r8c3|5,r4c1r4c2|4,r0c5r0c6|18,r5c6r6c5r6c6|16,r2c2r2c3r3c2|16,r7c5r7c6r7c7|11,r4c5r4c6|11,r0c2r1c2|15,r5c2r6c2r6c3|6,r2c8r3c8|6,r7c8r8c8|15,r3c7r4c7r5c7|11,r1c3r1c4r1c5|5,r6c4r7c4|12,r2c4r3c4", "solution": "927481356514623897386759412253978164641532978798164523835217649179346285462895731", "extra": "{\"grid_size\": 9, \"puzzle_number\": 469, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 471, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-06-04", "puzzle": 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"10,r7c8r8c8|9,r5c4r6c4|15,r0c5r1c5|11,r6c7r7c7|21,r3c0r3c1r3c2r4c2|5,r0c1r0c2|22,r5c3r6c3r7c3r8c3|11,r0c8r1c8|10,r7c0r8c0|31,r2c4r3c4r4c3r4c4r4c5|8,r0c6r0c7|18,r5c5r6c5r7c5r8c5|30,r1c1r1c2r2c0r2c1|12,r8c1r8c2|20,r3c6r3c7r3c8r4c6|5,r0c0r1c0|7,r6c1r7c1|11,r2c2r2c3r3c3|4,r7c4r8c4|33,r4c0r4c1r5c0r5c1r5c2r6c0|8,r0c3r1c3|7,r6c2r7c2|16,r2c5r2c6r3c5|7,r8c6r8c7|33,r4c7r4c8r5c6r5c7r5c8r6c8|15,r0c4r1c4|9,r6c6r7c6|17,r1c6r1c7r2c7r2c8", "solution": "423598176198367425675421983719286534364975812582143697931754268246839751857612349", "extra": "{\"grid_size\": 9, \"puzzle_number\": 472, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 473, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-04", "puzzle": "24,r5c5r5c6r5c7r6c7|7,r0c8r1c8|18,r7c3r8c3r8c4r8c5|23,r2c8r3c8r4c8r5c8r6c8|12,r0c0r0c1|20,r5c0r6c0r7c0|7,r1c0r2c0r3c0|7,r7c4r7c5|11,r4c0r4c1|5,r0c6r0c7|13,r5c1r6c1r7c1|16,r1c1r2c1r3c1|15,r7c8r8c8|15,r4c4r4c5r4c6r4c7|20,r0c2r1c2r2c2|13,r5c4r6c4r6c5|22,r2c4r2c5r3c4|11,r8c0r8c1|9,r3c2r4c2r5c2|23,r0c3r0c4r0c5r1c3|15,r6c6r7c6r7c7|22,r1c6r1c7r2c6|7,r8c6r8c7|27,r2c3r3c3r4c3r5c3r6c3|4,r1c4r1c5|16,r6c2r7c2r8c2|23,r2c7r3c5r3c6r3c7", "solution": "937658142268431795415279638192367854653984217874512963526893471749125386381746529", "extra": "{\"grid_size\": 9, \"puzzle_number\": 473, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 474, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-06-05", "puzzle": "11,r8c1r8c2r8c3|22,r2c0r3c0r4c0r5c0r6c0|10,r1c3r1c4|15,r6c7r6c8r7c7|11,r2c4r3c4|15,r0c1r0c2r0c3|10,r8c4r8c5|11,r5c2r5c3|11,r0c6r1c5r1c6|9,r7c0r8c0|24,r2c5r3c5r4c5r5c5r6c5|10,r0c4r0c5|20,r7c8r8c7r8c8|7,r5c4r6c4|17,r2c1r2c2r2c3|8,r7c1r7c2|11,r2c6r3c6|9,r0c7r0c8r1c8|10,r5c6r6c6|19,r1c7r2c7r2c8|6,r7c3r7c4|17,r4c3r4c4|14,r0c0r1c0|26,r3c7r3c8r4c8r5c7r5c8|18,r3c1r4c1r4c2r5c1|18,r7c5r7c6r8c6|6,r4c6r4c7|12,r1c1r1c2|21,r6c1r6c2r6c3|7,r3c2r3c3", "solution": "642973851857641293139582764915236478763894512284715936398467125426159387571328649", "extra": "{\"grid_size\": 9, \"puzzle_number\": 474, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 475, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-06-05", "puzzle": "34,r5c0r6c0r7c0r7c1r7c2r8c0r8c1|35,r1c4r2c3r2c4r2c5r2c6r3c5|17,r4c2r4c3r4c4r4c5r4c6|10,r0c2r0c3r1c3|19,r7c6r7c7r8c7|21,r2c1r2c2r3c1|17,r5c1r6c1r6c2|18,r0c4r0c5r0c6r1c5|9,r7c8r8c8|18,r3c2r3c3r3c4|10,r5c2r5c3r5c4|28,r0c0r0c1r1c0r1c1r1c2r2c0r3c0|16,r7c3r8c2r8c3|8,r2c7r3c6r3c7|14,r5c6r5c7r6c7|21,r0c7r1c6r1c7|22,r7c5r8c4r8c5r8c6|32,r2c8r3c8r4c7r4c8r5c8r6c8|30,r5c5r6c3r6c4r6c5r6c6r7c4|12,r0c8r1c8|14,r4c0r4c1", "solution": "321784569456291873789653412143968257592437186867125934974816325215379648638542791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 475, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 476, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-05", "puzzle": 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"12,r6c5r7c5r8c5|19,r3c7r4c6r4c7|8,r0c8r1c8|18,r6c4r7c3r7c4|13,r2c8r3c8r4c8|9,r0c2r0c3|11,r5c6r5c7r5c8|11,r2c3r2c4|13,r6c6r6c7r7c6|3,r4c0r4c1|13,r0c5r0c6r0c7|16,r5c0r6c0r7c0|19,r2c5r2c6r3c6|32,r6c8r7c7r7c8r8c6r8c7r8c8|17,r3c2r4c2|27,r0c0r0c1r1c0r1c1|9,r5c1r6c1|11,r1c7r2c7|10,r8c0r8c1|6,r3c3r3c4r4c3|4,r0c4r1c4|17,r5c2r6c2r6c3|11,r2c0r3c0|13,r8c2r8c3r8c4|39,r3c5r4c4r4c5r5c3r5c4r5c5|9,r1c5r1c6|9,r7c1r7c2|26,r1c2r1c3r2c1r2c2r3c1", "solution": "951832746673914582482657931748126395219385467536479128864791253327548619195263874", "extra": "{\"grid_size\": 9, \"puzzle_number\": 477, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 478, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-06-06", "puzzle": "16,r6c6r6c7r6c8r7c7|19,r1c0r2c0r3c0|13,r8c3r8c4|4,r4c0r5c0|12,r0c0r0c1|12,r7c0r7c1r8c0r8c1|23,r2c4r2c5r2c6r3c6r4c6|20,r8c5r8c6r8c7|11,r4c1r5c1|28,r0c3r0c4r0c5r0c6r1c5r1c6|33,r6c0r6c1r6c2r7c2r8c2|15,r2c1r3c1|15,r5c4r5c5r5c6|25,r0c7r0c8r1c7r1c8|15,r7c3r7c4|10,r2c3r3c3r4c3|28,r2c7r2c8r3c7r3c8r4c8r5c8|12,r0c2r1c1r1c2r2c2|11,r7c5r7c6|21,r3c4r3c5r4c4r4c5|33,r3c2r4c2r5c2r5c3r6c3r6c4r6c5|12,r1c3r1c4|5,r7c8r8c8|12,r4c7r5c7", "solution": "751248639462397185983516427675132948128479356394685271839721564547963812216854793", "extra": "{\"grid_size\": 9, \"puzzle_number\": 478, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 479, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-06", "puzzle": "28,r5c5r5c6r6c5r7c5r7c6|14,r1c1r2c0r2c1r2c2|26,r7c0r8c0r8c1r8c2r8c3|11,r4c1r4c2|16,r0c0r0c1r1c0|6,r5c7r5c8|15,r2c6r2c7|15,r8c5r8c6|30,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|15,r0c2r0c3|8,r6c1r6c2|3,r3c0r3c1|16,r7c8r8c7r8c8|10,r4c6r4c7|22,r0c5r0c6r0c7r0c8r1c8|19,r6c6r6c7r6c8r7c7|30,r1c2r1c3r2c3r3c2r3c3|14,r4c0r5c0r6c0|22,r0c4r1c4r1c5r2c4r2c5|13,r7c1r7c2|8,r3c6r3c7|14,r5c1r5c2|8,r1c6r1c7|24,r6c3r6c4r7c3r7c4r8c4|18,r2c8r3c8r4c8", "solution": "476915283589263174321784695214896537738542916695137842153679428867421359942358761", "extra": "{\"grid_size\": 9, \"puzzle_number\": 479, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 480, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-06-07", "puzzle": "8,r8c4r8c5|19,r5c5r5c6r6c5r6c6|18,r0c8r1c7r1c8|8,r6c2r7c2|8,r2c8r3c8|16,r0c0r0c1r1c0|12,r4c7r5c7r6c7|20,r2c2r2c3r3c2r3c3|20,r7c4r7c5r7c6|18,r3c4r4c3r4c4|21,r0c2r0c3r0c4|16,r4c8r5c8|11,r2c4r2c5|24,r6c8r7c7r7c8r8c6r8c7r8c8|8,r4c5r4c6|20,r0c5r0c6r0c7r1c6|21,r5c0r6c0r6c1r7c0|9,r2c6r2c7|20,r7c1r8c0r8c1|11,r3c1r4c1r5c1|8,r1c1r1c2r2c1|16,r5c3r6c3r7c3|17,r2c0r3c0r4c0|6,r8c2r8c3|17,r4c2r5c2|8,r1c3r1c4r1c5|5,r5c4r6c4|20,r3c5r3c6r3c7", "solution": "285974163643215978917683542124397856738456219569128437492731685356849721871562394", "extra": "{\"grid_size\": 9, \"puzzle_number\": 480, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 481, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-06-07", "puzzle": "7,r8c1r8c2|10,r4c5r4c6|15,r1c1r1c2r1c3|8,r6c1r6c2|16,r2c3r3c2r3c3|13,r0c1r0c2|9,r8c3r8c4|11,r4c7r4c8|9,r2c1r2c2|6,r6c5r7c5|23,r2c6r3c5r3c6r3c7|14,r0c3r0c4|21,r7c6r8c5r8c6|15,r5c0r6c0|31,r1c4r2c4r3c4r4c4r5c4r6c4r7c4|4,r6c7r7c7|10,r2c8r3c8|14,r0c5r0c6r1c6|18,r7c8r8c7r8c8|17,r5c2r5c3r6c3|12,r1c5r2c5|11,r7c0r8c0|19,r3c1r4c0r4c1r5c1|10,r0c7r0c8r1c8|17,r5c5r5c6r5c7r6c6|13,r1c7r2c7|18,r7c1r7c2r7c3|8,r4c2r4c3|6,r0c0r1c0|11,r5c8r6c8|9,r2c0r3c0", "solution": "194863527538427691672915348381659472456271983729348165817594236965732814243186759", "extra": "{\"grid_size\": 9, \"puzzle_number\": 481, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 482, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-07", "puzzle": "6,r8c6r8c7|13,r5c2r5c3r6c2r6c3|13,r1c5r1c6|16,r7c3r7c4r8c3|7,r2c4r3c4|21,r0c0r0c1r1c0r2c0|12,r5c4r6c4|26,r0c8r1c7r1c8r2c8|8,r7c5r7c6|11,r3c6r3c7|11,r0c4r0c5|11,r5c6r5c7|14,r1c1r2c1r3c1|24,r6c8r7c7r7c8r8c8|17,r4c2r4c3r4c4|5,r0c6r0c7|15,r5c1r6c1r7c1|17,r2c5r2c6r2c7r3c5|19,r6c0r7c0r8c0r8c1|14,r4c5r4c6|11,r0c2r1c2|23,r5c5r6c5r6c6r6c7|21,r3c0r4c0r4c1r5c0|5,r8c4r8c5|17,r3c8r4c7r4c8r5c8|16,r0c3r1c3r1c4|13,r7c2r8c2|19,r2c2r2c3r3c2r3c3", "solution": "375892146216534987948617325892365471431978652657241839523189764184756293769423518", "extra": "{\"grid_size\": 9, \"puzzle_number\": 482, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 483, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-06-08", "puzzle": "7,r7c8r8c8|5,r4c6r4c7|12,r1c1r2c1|6,r6c6r7c6|28,r3c1r3c2r4c2r4c3r5c1r5c2|29,r0c1r0c2r0c3r0c4r0c5r0c6r0c7|37,r8c1r8c2r8c3r8c4r8c5r8c6r8c7|7,r5c0r6c0|22,r2c2r2c3r3c3r3c4|19,r6c7r6c8r7c7|10,r3c5r3c6|11,r0c0r1c0|15,r5c5r5c6|8,r2c4r2c5|11,r7c0r8c0|25,r3c7r3c8r4c8r5c7r5c8|7,r1c2r1c3|9,r6c1r7c1|10,r1c6r2c6|16,r7c2r7c3|10,r4c0r4c1|11,r1c4r1c5|22,r5c3r5c4r6c2r6c3|10,r1c7r2c7r2c8|5,r7c4r7c5|12,r4c4r4c5|16,r0c8r1c8|10,r6c4r6c5|15,r2c0r3c0", "solution": "963812457251674839874935216728361945196457328435289671387546192619723584542198763", "extra": "{\"grid_size\": 9, \"puzzle_number\": 483, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 484, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-08", "puzzle": 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"19,r6c4r7c3r7c4|14,r2c1r2c2r2c3|24,r8c3r8c4r8c5r8c6r8c7|35,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|23,r0c1r0c2r0c3r0c4r0c5|13,r6c5r6c6r6c7|12,r1c4r1c5r2c4|16,r4c0r5c0r5c1|12,r0c0r1c0|25,r6c0r7c0r7c1r8c0r8c1|4,r2c0r3c0|27,r5c2r5c3r5c4r6c1r6c2r6c3|23,r1c1r1c2r1c3|10,r7c2r8c2|17,r3c1r3c2r3c3|21,r5c5r5c6r5c7|4,r0c6r1c6|12,r7c5r7c6r7c7|29,r2c5r2c6r2c7r3c4r3c5r3c6|9,r5c8r6c8|27,r0c7r0c8r1c7r1c8r2c8|13,r7c8r8c8|16,r3c7r3c8r4c8", "solution": "875146392469823157123975684358417269942638571617259843591384726734562918286791435", "extra": "{\"grid_size\": 9, \"puzzle_number\": 485, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 486, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-06-09", "puzzle": 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"4,r8c0r8c1|17,r4c6r4c7r5c7|16,r2c3r2c4r2c5|12,r6c7r6c8|8,r3c5r4c5|22,r0c0r0c1r0c2r1c0|24,r8c3r8c4r8c5|25,r2c8r3c8r4c8r5c8|14,r1c6r1c7r2c7r3c7|17,r7c0r7c1|12,r2c0r3c0r4c0r5c0|16,r0c3r0c4r0c5|8,r8c7r8c8|10,r6c0r6c1|11,r2c2r3c2|14,r6c2r7c2r8c2|21,r4c1r4c2r5c1|22,r0c6r0c7r0c8r1c8|5,r6c3r7c3|11,r2c6r3c6|17,r6c6r7c6r8c6|13,r5c2r5c3|13,r1c3r1c4r1c5|15,r5c4r6c4r7c4|6,r3c3r4c3|8,r7c7r7c8|4,r5c5r5c6|18,r1c1r1c2r2c1r3c1|5,r6c5r7c5|17,r3c4r4c4", "solution": "861439752794625318523817964138596247479182635256743189647251893982364571315978426", "extra": "{\"grid_size\": 9, \"puzzle_number\": 487, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 488, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-09", "puzzle": "20,r6c3r7c3r7c4|12,r2c0r2c1r3c0|25,r3c6r3c7r4c6r5c6r5c7|16,r0c1r0c2|5,r7c0r8c0|12,r1c3r1c4r2c3|5,r4c7r4c8|28,r0c3r0c4r0c5r0c6r1c5r1c6|9,r7c1r7c2|10,r2c2r3c1r3c2|10,r5c1r5c2r6c2|14,r0c0r1c0|40,r5c8r6c6r6c7r6c8r7c7r7c8r8c7r8c8|35,r2c5r3c5r4c5r5c5r6c5|27,r2c4r3c4r4c4r5c4r6c4|5,r1c1r1c2|14,r8c1r8c2|13,r4c0r4c1|19,r5c0r6c0r6c1|41,r0c7r0c8r1c7r1c8r2c6r2c7r2c8r3c8|27,r7c5r7c6r8c3r8c4r8c5r8c6|18,r3c3r4c2r4c3r5c3", "solution": "679853421823641795541297683354128967768539214912476358287365149136984572495712836", "extra": "{\"grid_size\": 9, \"puzzle_number\": 488, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 489, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-06-10", "puzzle": 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"17,r5c4r5c5r6c4|25,r0c7r0c8r1c5r1c6r1c7r1c8|16,r6c0r7c0r8c0r8c1|17,r3c0r4c0r4c1r5c0|30,r0c0r0c1r1c0r2c0|14,r5c7r6c7r6c8|18,r2c5r2c6r3c6|7,r8c2r8c3|19,r3c2r4c2r5c2|8,r0c2r0c3|9,r5c6r6c5r6c6|11,r2c1r2c2r3c1|9,r8c5r8c6|9,r4c5r4c6|17,r0c5r0c6|10,r7c1r7c2|33,r2c3r3c3r4c3r4c4r5c3r6c3|21,r3c8r4c7r4c8r5c8|7,r1c1r1c2|21,r7c3r7c4r8c4|10,r2c4r3c4r3c5|16,r5c1r6c1r6c2|11,r0c4r1c3r1c4|34,r7c5r7c6r7c7r7c8r8c7r8c8|16,r2c7r2c8r3c7", "solution": "673518924952467183841239657168752349297341865534896271785923416419685732326174598", "extra": "{\"grid_size\": 9, \"puzzle_number\": 490, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 491, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-10", "puzzle": "36,r4c6r4c7r5c5r5c6r6c4r6c5r7c4|26,r1c5r2c5r2c6r3c5r3c6|9,r8c3r8c4|12,r3c8r4c8|16,r0c2r0c3|27,r6c0r6c1r7c0r7c1r8c0|13,r1c8r2c8|25,r7c7r7c8r8c7r8c8|13,r4c0r5c0|5,r0c4r0c5|5,r7c2r7c3|5,r2c0r3c0|25,r5c1r5c2r5c3r6c2r6c3|19,r0c6r0c7r0c8r1c6r1c7|12,r7c5r8c5|7,r2c7r3c7|11,r4c4r4c5r5c4|35,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|20,r6c6r6c7r6c8r7c6r8c6|26,r3c1r3c2r4c1r4c2|10,r5c7r5c8|26,r1c3r1c4r2c3r2c4|8,r8c1r8c2|14,r3c3r3c4r4c3", "solution": "467932158158674329392581764245398617789216435613745982936827541524169873871453296", "extra": "{\"grid_size\": 9, \"puzzle_number\": 491, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 492, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-06-11", "puzzle": "20,r6c0r7c0r8c0|11,r4c7r4c8|15,r0c7r1c7|12,r6c3r6c4|21,r3c4r3c5r4c5|15,r0c0r0c1r1c0r2c0|5,r7c1r8c1|16,r5c0r5c1r6c1|4,r0c8r1c8|16,r7c2r7c3r7c4|6,r2c7r3c7|12,r0c2r0c3|28,r8c2r8c3r8c4r8c5r8c6|6,r5c3r5c4|14,r2c1r2c2|12,r6c5r7c5|16,r2c8r3c8|14,r0c4r0c5r0c6|5,r8c7r8c8|27,r3c6r4c6r5c5r5c6r6c6|10,r1c4r2c4r2c5|12,r7c6r7c7|7,r4c0r4c1r4c2|16,r1c1r1c2r1c3|17,r5c7r5c8r6c7|17,r3c0r3c1r3c2|7,r6c8r7c8|11,r4c3r4c4|17,r1c5r1c6r2c6|10,r5c2r6c2|6,r2c3r3c3", "solution": "294863571175429683386571249863195427412387956759246138541938762628714395937652814", "extra": "{\"grid_size\": 9, \"puzzle_number\": 492, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 494, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-11", "puzzle": "34,r6c3r6c4r6c5r7c3r7c4r7c5r8c4|16,r2c2r2c3r3c2r3c3|9,r3c7r4c7|24,r0c0r0c1r1c0r1c1r2c1|5,r5c7r6c7|20,r2c5r2c6r3c5r3c6|28,r2c0r3c0r4c0r5c0r6c0|17,r0c2r1c2r1c3|3,r7c1r7c2|12,r3c1r4c1|36,r5c2r5c3r5c4r5c5r5c6r6c2r6c6|33,r0c3r0c4r0c5r1c4r2c4|15,r7c6r7c7|12,r4c2r4c3|35,r2c8r3c8r4c8r5c8r6c8|11,r0c6r1c5r1c6|20,r7c0r8c0r8c1r8c2r8c3|8,r3c4r4c4|9,r5c1r6c1|20,r0c7r0c8r1c7r1c8r2c7|29,r7c8r8c5r8c6r8c7r8c8|9,r4c5r4c6", "solution": "135897462798462513642135789374916258259378146816524937987641325521783694463259871", "extra": "{\"grid_size\": 9, \"puzzle_number\": 494, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 495, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-06-12", "puzzle": "3,r7c8r8c8|13,r4c6r4c7|5,r1c6r1c7|31,r6c2r6c3r7c1r7c2r7c3r7c4|16,r3c5r4c5|6,r0c2r0c3|18,r5c1r5c2r6c1|15,r1c3r2c3|14,r7c6r7c7r8c7|17,r2c6r3c6|8,r0c4r0c5|28,r5c6r5c7r6c6r6c7r6c8|15,r1c8r2c7r2c8|19,r7c0r8c0r8c1r8c2|11,r3c7r3c8|16,r0c6r0c7r0c8|8,r4c8r5c8|14,r2c0r3c0r3c1|17,r8c3r8c4|13,r4c0r4c1r4c2|33,r0c0r0c1r1c0r1c1r1c2r2c1|11,r5c0r6c0|11,r2c2r3c2r3c3|10,r7c5r8c5r8c6|18,r4c3r4c4r5c3r5c4|17,r1c4r1c5r2c5|13,r5c5r6c4r6c5|5,r2c4r3c4", "solution": "962453187514978236387612954653147829148239765729586413471325698895761342236894571", "extra": "{\"grid_size\": 9, \"puzzle_number\": 495, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 493, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-06-11", "puzzle": "9,r5c6r6c6|30,r1c0r2c0r2c1r2c2r2c3r3c1|14,r6c8r7c8r8c8|34,r4c1r4c2r4c3r4c4r4c5r4c6|3,r0c3r0c4|15,r3c2r3c3|18,r2c7r3c7r4c7r5c7r6c7|9,r8c3r8c4|21,r3c8r4c8r5c8|22,r0c0r0c1r0c2r1c1r1c2|30,r5c1r6c0r6c1r6c2r6c3r7c0|9,r2c4r3c4|11,r5c2r5c3|30,r0c5r0c6r1c3r1c4r1c5|24,r7c1r7c2r8c0r8c1r8c2|14,r2c5r3c5|13,r5c4r6c4|24,r0c7r1c6r1c7|29,r7c3r7c4r7c5r8c5r8c6|5,r2c6r3c6|6,r5c5r6c5|10,r0c8r1c8r2c8|11,r7c6r7c7r8c7|14,r3c0r4c0r5c0", "solution": "385127694624359781791486325436918257257634918819275436943861572568792143172543869", "extra": "{\"grid_size\": 9, \"puzzle_number\": 493, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 496, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-06-12", "puzzle": "8,r5c4r6c4|8,r1c4r1c5|23,r6c8r7c6r7c7r7c8r8c8|34,r3c7r3c8r4c7r4c8r5c7r5c8|12,r0c3r0c4|6,r5c5r6c5|28,r0c8r1c6r1c7r1c8r2c8|9,r8c3r8c4|16,r4c1r4c2r4c3|15,r0c5r0c6r0c7|32,r2c6r2c7r3c6r4c6r5c6r6c6r6c7|12,r2c2r3c1r3c2|13,r8c5r8c6r8c7|14,r4c4r4c5|45,r0c0r1c0r2c0r3c0r4c0r5c0r6c0r7c0r8c0|15,r6c1r7c1r8c1|10,r2c3r3c3|13,r5c1r5c2r6c2|20,r0c1r1c1r2c1|16,r7c2r7c3r8c2|9,r2c4r3c4|9,r5c3r6c3|12,r0c2r1c2r1c3|12,r7c4r7c5|14,r2c5r3c5", "solution": "296483571534271968187956324923148657618795432475362189851624793742539816369817245", "extra": "{\"grid_size\": 9, \"puzzle_number\": 496, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 497, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-12", "puzzle": 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"17,r4c7r4c8r5c8|10,r0c5r1c5|15,r7c0r7c1|18,r1c8r2c8r3c7r3c8|14,r0c0r0c1|22,r5c1r5c2r5c3r6c2|16,r0c6r1c6|39,r7c2r7c3r7c4r7c5r7c6r8c3r8c4r8c5|10,r4c0r4c1r5c0|8,r0c7r0c8|22,r5c5r5c6r5c7r6c6|21,r1c0r2c0r3c0r3c1|15,r7c7r7c8|15,r3c3r4c3|7,r0c2r1c2|12,r6c0r6c1|24,r1c1r2c1r2c2r3c2r4c2|12,r8c0r8c1r8c2|13,r3c4r4c4r5c4|5,r0c3r1c3|15,r6c3r6c4r6c5|17,r2c3r2c4r2c5|9,r8c6r8c7r8c8|7,r3c5r4c5|13,r0c4r1c4|8,r6c7r6c8|21,r1c7r2c6r2c7r3c6r4c6", "solution": "591483726826157943347269185468735291173892654259614378932546817784321569615978432", "extra": "{\"grid_size\": 9, \"puzzle_number\": 501, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 502, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-06-14", "puzzle": 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"9,r6c6r6c7r7c7|24,r1c3r1c5r2c3r2c4r2c5|11,r8c6r8c7|26,r3c3r3c4r3c5r4c4r5c4|18,r0c0r0c1r0c2r0c3|14,r5c8r6c8|31,r1c6r2c6r3c6r4c6r4c7r5c7|15,r7c8r8c8|17,r4c5r5c5r5c6|26,r0c5r0c6r0c7r0c8|17,r7c2r7c3r8c3|19,r1c7r1c8r2c8r3c8r4c8|9,r5c0r6c0|4,r0c4r1c4|8,r7c5r7c6r8c5|11,r2c1r3c1|22,r6c1r6c2r7c1|28,r1c0r1c1r2c0r3c0r4c0|10,r7c0r8c0|11,r2c7r3c7|25,r6c3r6c4r6c5r7c4r8c4|30,r1c2r2c2r3c2r4c1r4c2r5c1|4,r8c1r8c2|16,r4c3r5c2r5c3", "solution": "342918756651237894987465231735146982169582473428379615576821349894653127213794568", "extra": "{\"grid_size\": 9, \"puzzle_number\": 505, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 507, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-06-16", "puzzle": "16,r5c0r5c1r6c0r6c1|16,r0c7r0c8r1c7r1c8|12,r7c4r8c4|12,r4c0r4c1|24,r0c1r0c2r1c2r2c2|7,r5c4r6c4|16,r1c1r2c1r3c1|8,r7c5r7c6r7c7|4,r4c2r4c3|13,r0c3r0c4r0c5r1c5|14,r5c5r5c6r6c5|13,r2c7r2c8|25,r7c0r7c1r8c0r8c1|30,r2c4r3c4r4c4r4c5r4c6|9,r0c0r1c0|24,r5c2r5c3r6c2r6c3|3,r2c0r3c0|10,r8c5r8c6|8,r4c7r5c7|13,r1c3r1c4|26,r6c6r6c7r6c8r7c8|17,r2c3r3c2r3c3|10,r8c7r8c8|19,r3c7r3c8r4c8r5c8|13,r0c6r1c6|19,r7c2r7c3r8c2r8c3|24,r2c5r2c6r3c5r3c6", "solution": "498713652536492781271586394169327845843165927725849163612934578987251436354678219", "extra": "{\"grid_size\": 9, \"puzzle_number\": 507, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 508, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-06-16", "puzzle": 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"14,r8c2r8c3r8c4|19,r4c7r5c6r5c7|13,r1c3r1c4r2c3|18,r6c4r6c5r6c6|22,r3c4r3c5r4c4r4c5|16,r0c1r0c2|5,r8c5r8c6|11,r4c8r5c8|9,r0c5r1c5|11,r6c7r7c6r7c7|9,r3c6r4c6|7,r0c3r0c4|15,r8c7r8c8|13,r4c0r5c0r6c0|27,r1c6r1c7r2c6r2c7|14,r6c8r7c8|6,r3c7r3c8|18,r0c6r0c7r0c8r1c8r2c8|6,r5c1r5c2|16,r2c4r2c5|23,r7c0r7c1r8c0r8c1|15,r3c1r4c1|10,r0c0r1c0|15,r6c1r6c2r7c2|9,r2c0r3c0|3,r7c4r7c5|23,r3c3r4c3r5c3r5c4r5c5|8,r1c1r1c2r2c1|16,r6c3r7c3|14,r2c2r3c2r4c2", "solution": "279348516834651972615297834368429751791865243542173698153786429487912365926534187", "extra": "{\"grid_size\": 9, \"puzzle_number\": 510, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 509, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-16", "puzzle": 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"6,r8c0r8c1|20,r0c6r1c6r1c7r2c7r3c7|4,r4c4r5c4|24,r0c3r0c4r0c5r1c3r1c5|26,r7c2r7c3r8c2r8c3|26,r0c0r0c1r1c0r2c0r3c0|24,r5c1r5c2r6c1r6c2r6c3|24,r0c2r1c1r1c2r2c1r3c1|17,r6c4r7c4r8c4|30,r3c2r3c3r3c4r3c5r3c6|18,r5c6r5c7r6c5r6c6r6c7|10,r2c2r2c3|20,r7c5r7c6r8c5r8c6|22,r0c7r0c8r1c8r2c8r3c8|9,r6c0r7c0r7c1|12,r1c4r2c4|8,r8c7r8c8|35,r4c0r4c1r4c2r4c3r5c0r5c3|23,r6c8r7c7r7c8|12,r2c5r2c6|35,r4c5r4c6r4c7r4c8r5c5r5c8", "solution": "613279485982145763754683912369857124275416839841932657597361248138724596426598371", "extra": "{\"grid_size\": 9, \"puzzle_number\": 512, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 511, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-06-17", "puzzle": "8,r5c4r5c5|16,r0c4r1c2r1c3r1c4|9,r6c4r7c4|15,r2c5r3c5r4c5|11,r0c2r0c3|39,r3c6r3c7r4c6r4c7r5c6r5c7r6c7|3,r1c6r1c7|13,r7c7r7c8r8c8|7,r4c2r5c2|18,r0c5r0c6r1c5|11,r5c3r6c3|22,r2c2r2c3r3c2r3c3|15,r8c0r8c1r8c2|17,r4c3r4c4|20,r0c7r0c8r1c8|11,r6c5r6c6|16,r2c6r2c7r2c8|14,r8c3r8c4|17,r3c8r4c8r5c8r6c8|11,r0c0r1c0|8,r6c0r7c0|10,r2c0r3c0|25,r7c5r7c6r8c5r8c6r8c7|20,r4c0r4c1r5c0r5c1|15,r0c1r1c1r2c1r3c1|25,r6c1r6c2r7c1r7c2r7c3|9,r2c4r3c4", "solution": "549217683673845129218639457837164592451982736926753814192478365765321948384596271", "extra": "{\"grid_size\": 9, \"puzzle_number\": 511, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 513, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-06-18", "puzzle": 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"16,r4c6r5c5r5c6r6c5|16,r1c5r1c6r1c7|17,r6c4r7c4r7c5r8c5|15,r3c6r3c7r3c8|13,r0c0r0c1r1c0|4,r4c7r5c7|14,r2c0r2c1r3c1|8,r7c7r7c8|8,r3c0r4c0|10,r0c2r0c3r0c4|21,r4c8r5c8r6c8|25,r2c3r2c4r2c5r3c4|17,r7c0r8c0r8c1r8c2|25,r4c1r5c1r6c1r7c1|25,r0c5r0c6r0c7r0c8|13,r5c0r6c0|9,r2c6r2c7|16,r8c3r8c4|11,r4c2r5c2|15,r1c1r1c2|18,r6c2r6c3r7c2r7c3|9,r1c8r2c8|16,r7c6r8c6r8c7r8c8|7,r5c3r5c4|5,r1c3r1c4|13,r6c6r6c7|39,r2c2r3c2r3c3r3c5r4c3r4c4r4c5", "solution": "465239187387415926921876543136947852742358619859162734573621498694583271218794365", "extra": "{\"grid_size\": 9, \"puzzle_number\": 516, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 517, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-06-19", "puzzle": 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"22,r4c3r4c5r5c3r5c4r5c5|9,r0c6r1c6|17,r7c2r7c3|16,r2c5r3c5|7,r0c0r0c1|9,r4c6r5c6|12,r1c7r1c8|13,r6c4r7c4|24,r2c8r3c8r4c8r5c8r6c8|6,r0c7r0c8|17,r4c7r5c7r6c7|17,r2c1r2c2r3c1r3c2|5,r7c5r7c6|13,r3c4r4c4|14,r1c0r1c1|14,r6c2r6c3|24,r2c6r2c7r3c6r3c7|22,r7c7r7c8r8c7r8c8|21,r4c1r5c1r6c1|16,r0c2r1c2|5,r6c5r6c6|19,r2c0r3c0r4c0r5c0r6c0|19,r8c2r8c3r8c4r8c5r8c6|4,r4c2r5c2|29,r0c3r0c4r0c5r1c3r1c4r1c5r2c4|21,r7c0r7c1r8c0r8c1|10,r2c3r3c3", "solution": "439628751687145239125739684264357918593281467871496523356874192718962345942513876", "extra": "{\"grid_size\": 9, \"puzzle_number\": 519, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 520, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-20", "puzzle": "4,r5c7r6c7|12,r1c4r1c5|29,r6c0r7c0r8c0r8c1r8c2|21,r2c8r3c8r4c8|13,r0c2r0c3|7,r5c8r6c8|19,r2c2r2c3r2c4r3c2|29,r7c5r8c3r8c4r8c5r8c6|15,r4c1r4c2|11,r0c4r0c5r0c6|16,r6c1r6c2r7c1r7c2|13,r1c6r1c7r2c6r2c7|21,r4c3r4c4r5c3r5c4|20,r0c7r0c8r1c8|13,r6c3r7c3|24,r2c0r3c0r3c1r4c0r5c0|7,r5c1r5c2|21,r0c0r0c1r1c0r1c1r2c1|5,r6c4r7c4|36,r2c5r3c3r3c4r3c5r3c6r4c5r5c5|25,r4c6r5c6r6c5r6c6|11,r1c2r1c3|26,r7c6r7c7r7c8r8c7r8c8|7,r3c7r4c7", "solution": "269471385815693247743285169396124758178359624452768931937542816624817593581936472", "extra": "{\"grid_size\": 9, \"puzzle_number\": 520, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 522, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-06-21", "puzzle": "12,r8c3r8c4|11,r4c8r5c8|14,r1c3r1c4r2c4r2c5|7,r6c6r7c6|13,r2c3r3c3|14,r0c3r0c4|8,r8c5r8c6|10,r4c0r5c0|13,r0c5r1c5|10,r6c7r6c8|19,r3c4r3c5r4c5|31,r0c6r0c7r0c8r1c7r1c8r2c8|8,r8c7r8c8|13,r4c1r4c2r5c1|7,r2c1r2c2|37,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|9,r3c7r3c8|15,r0c0r1c0|10,r5c5r5c6|14,r1c6r2c6r2c7|14,r6c4r7c3r7c4|14,r4c3r4c4r5c4|4,r0c1r1c1|18,r5c2r5c3r6c2r6c3|11,r2c0r3c0|17,r7c7r7c8|17,r3c6r4c6r4c7r5c7|13,r0c2r1c2|12,r6c5r7c5|10,r3c1r3c2", "solution": "834597612719326485625481739582974163143658927967132854378219546451763298296845371", "extra": "{\"grid_size\": 9, \"puzzle_number\": 522, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 525, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-06-22", "puzzle": "25,r6c7r6c8r7c6r7c7r8c6|15,r4c2r5c2r6c2r7c2|9,r0c4r1c4|7,r7c3r7c4|8,r4c0r4c1|9,r0c5r0c6|11,r7c8r8c7r8c8|19,r5c3r5c4r6c3r6c4|7,r1c5r1c6|17,r7c0r8c0|10,r3c4r4c3r4c4|9,r0c7r0c8|9,r5c7r5c8|19,r1c7r1c8r2c8|13,r7c1r8c1r8c2|27,r3c5r3c6r4c5r4c6|12,r0c0r0c1r1c0|13,r5c0r6c0|21,r2c2r2c3r3c2r3c3|16,r8c3r8c4|9,r3c7r4c7|30,r0c2r1c1r1c2r2c0r2c1|14,r5c1r6c1|20,r2c4r2c5r2c6r2c7|8,r7c5r8c5|14,r3c8r4c8|8,r0c3r1c3|21,r5c5r5c6r6c5r6c6|5,r3c0r3c1", "solution": "269371854487526193513984267325418679178639425694257381751842936932165748846793512", "extra": "{\"grid_size\": 9, \"puzzle_number\": 525, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 521, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-20", "puzzle": 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"9,r6c0r6c1|19,r1c5r2c3r2c4r2c5r2c6|12,r7c0r8c0r8c1|25,r3c2r4c2r5c1r5c2r6c2|36,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|8,r5c3r6c3|11,r1c7r2c7r3c7|10,r8c2r8c3|17,r3c3r3c4r4c3r4c4|7,r0c2r0c3|27,r5c5r5c6r6c5r6c6|15,r2c0r3c0|9,r4c5r4c6|13,r0c7r0c8r1c8|14,r7c1r7c2r7c3|13,r3c5r3c6|5,r5c4r6c4|23,r0c4r0c5r1c3r1c4|25,r7c4r7c5r8c4r8c5|14,r2c8r3c8|25,r4c7r4c8r5c7r5c8|13,r0c6r1c6|38,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|17,r3c1r4c0r4c1r5c0", "solution": "593461872281793564674852139918347625362915487745628391456239718127586943839174256", "extra": "{\"grid_size\": 9, \"puzzle_number\": 526, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 528, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-06-23", "puzzle": 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"28,r2c8r3c8r4c8r5c8r6c8|11,r2c3r2c4|31,r8c0r8c1r8c2r8c3r8c4|6,r4c4r4c5|17,r0c0r0c1r0c2r0c3r0c4|19,r6c2r7c2r7c3r7c4|25,r0c8r1c7r1c8r2c7|13,r7c6r8c6r8c7|23,r3c6r3c7r4c6r4c7r5c6r5c7|17,r0c6r0c7r1c6|11,r6c3r6c4|14,r2c1r3c1r3c2|27,r2c0r3c0r4c0r5c0r6c0|7,r1c0r1c1|19,r6c7r7c7r7c8r8c8|18,r3c3r4c3r5c3|19,r5c1r5c2r6c1|16,r0c5r1c5|13,r7c0r7c1|18,r2c5r2c6r3c4r3c5|20,r5c4r5c5r6c5r6c6|20,r1c2r1c3r1c4r2c2|5,r7c5r8c5|8,r4c1r4c2", "solution": "136529748258147693497386152714938526362715489589264317823651974941873265675492831", "extra": "{\"grid_size\": 9, \"puzzle_number\": 530, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 529, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-06-23", "puzzle": 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"18,r5c5r6c5r7c5|6,r2c3r3c3|22,r2c6r3c6r4c6|19,r0c3r0c4r0c5|7,r7c0r8c0|8,r2c5r3c5|16,r3c7r3c8r4c8r5c8r6c8|25,r0c0r0c1r0c2r1c0r1c1|27,r7c1r7c2r8c1r8c2r8c3|10,r2c7r2c8|25,r4c1r5c1r5c2r6c1r6c2|27,r1c2r1c3r1c4r1c5r1c6r2c4|14,r7c4r8c4|30,r3c0r3c1r4c0r5c0r6c0|24,r4c7r5c6r5c7r6c6r6c7|26,r0c6r0c7r0c8r1c7r1c8|26,r7c6r7c7r8c5r8c6r8c7|7,r2c2r3c2r4c2|14,r5c3r6c3r7c3|10,r2c0r2c1|12,r7c8r8c8|32,r3c4r4c3r4c4r4c5r5c4r6c4", "solution": "713946528596812374284573619862195743451637982937428156328759461645381297179264835", "extra": "{\"grid_size\": 9, \"puzzle_number\": 533, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 536, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-25", "puzzle": "18,r6c0r7c0r8c0|27,r1c4r2c3r2c4r2c5r2c6|16,r5c5r5c6r6c5|26,r0c0r0c1r0c2r1c0r2c0|11,r7c4r7c5|15,r3c5r3c6r3c7|8,r4c7r5c7|12,r0c6r0c7r0c8|3,r7c1r8c1|25,r3c2r4c1r4c2r5c2r6c2|27,r2c7r2c8r3c8r4c8r5c8|27,r1c1r1c2r1c3r2c1r2c2r3c1|35,r7c2r8c2r8c3r8c4r8c5|21,r3c3r3c4r4c3r4c4|14,r5c3r6c3r7c3|22,r0c3r0c4r0c5r1c5r1c6|45,r6c6r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|5,r4c5r4c6|4,r5c4r6c4|15,r1c7r1c8|29,r3c0r4c0r5c0r5c1r6c1", "solution": "958461237142573896376829145239786451784152369561934728893215674615347982427698513", "extra": "{\"grid_size\": 9, \"puzzle_number\": 536, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 534, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-06-25", "puzzle": "15,r7c3r8c3|11,r3c7r3c8r4c7|14,r0c7r1c7|7,r6c4r6c5|7,r2c5r3c5|18,r0c0r1c0r2c0|11,r7c4r7c5|25,r4c8r5c6r5c7r5c8|10,r0c8r1c8|18,r6c6r6c7r7c6|12,r2c6r3c6|20,r0c1r0c2r0c3r0c4r1c1|21,r7c7r8c4r8c5r8c6r8c7|14,r5c2r6c2|13,r1c2r2c1r2c2|7,r7c0r8c0|23,r3c0r3c1r3c2r4c0|10,r1c3r1c4|15,r6c8r7c8r8c8|7,r5c3r6c3|11,r2c3r2c4|11,r7c1r8c1|10,r4c1r5c0r5c1|14,r0c5r1c5|8,r5c4r5c5|10,r2c7r2c8|16,r7c2r8c2|26,r4c2r4c3r4c4r4c5r4c6|3,r0c6r1c6|5,r6c0r6c1|13,r3c3r3c4", "solution": "873516294942738156165294873791853462624179538358462917416325789589647321237981645", "extra": "{\"grid_size\": 9, \"puzzle_number\": 534, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 535, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-06-25", "puzzle": 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"14,r4c6r5c5r5c6|7,r1c6r1c7|23,r6c8r7c6r7c7r7c8r8c7r8c8|14,r3c4r4c4|11,r0c0r0c1|19,r5c4r6c4r7c4r7c5|19,r1c0r1c1r2c0r3c0|18,r8c4r8c5r8c6|25,r4c1r4c2r5c1r5c2r6c1|10,r0c3r0c4|13,r6c5r6c6|7,r2c2r2c3r3c2|40,r3c7r3c8r4c7r4c8r5c7r5c8r6c7|14,r0c6r0c7r0c8|31,r7c0r7c1r8c0r8c1r8c2|19,r2c6r2c7r3c6|6,r4c0r5c0r6c0|16,r0c2r1c2|10,r6c2r7c2|8,r1c8r2c8|10,r3c3r4c3r5c3|38,r0c5r1c3r1c4r1c5r2c4r2c5r3c5r4c5|21,r6c3r7c3r8c3|12,r2c1r3c1", "solution": "659371428427958613831246795594162387176583249283497561318724956962835174745619832", "extra": "{\"grid_size\": 9, \"puzzle_number\": 538, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 539, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-26", "puzzle": "18,r5c0r6c0r7c0|17,r1c6r1c7r2c7|14,r8c0r8c1r8c2|14,r4c3r4c4r4c5|16,r0c6r0c7r0c8|14,r6c1r7c1r7c2|9,r1c8r2c8r3c8|14,r4c7r4c8r5c8|30,r0c0r0c1r0c2r1c0r1c1r2c0|25,r5c3r6c3r7c3r8c3|13,r2c1r3c1|13,r5c1r5c2r6c2|30,r0c3r1c2r1c3r2c3r2c4|3,r7c4r8c4|20,r2c2r3c2r3c3r3c4r4c2|26,r4c6r5c4r5c5r5c6r6c6|12,r0c4r1c4|24,r6c4r6c5r7c5r7c6r8c5|24,r2c6r3c6r3c7|4,r5c7r6c7|13,r0c5r1c5r2c5r3c5|38,r6c8r7c7r7c8r8c6r8c7r8c8|14,r3c0r4c0r4c1", "solution": "138674529294851763756392841382146975567239184419587632823965417675413298941728356", "extra": "{\"grid_size\": 9, \"puzzle_number\": 539, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 540, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-06-27", "puzzle": "14,r5c2r5c3r6c2r6c3|19,r1c5r1c6r2c5r2c6|10,r6c5r6c6r7c5r7c6|5,r2c7r3c7|21,r0c0r0c1r1c0r1c1|22,r5c4r5c5r5c6|11,r0c7r0c8r1c7|16,r7c7r8c7r8c8|6,r4c2r4c3|11,r0c2r0c3|13,r5c7r6c7|14,r1c8r2c8|20,r7c0r7c1r8c0r8c1|23,r4c4r4c5r4c6r4c7|12,r0c5r0c6|14,r6c8r7c8|30,r2c0r3c0r4c0r5c0r6c0|8,r8c2r8c3|11,r3c8r4c8r5c8|12,r1c2r1c3|11,r7c2r7c3|28,r2c2r2c3r3c2r3c3|12,r8c5r8c6|19,r2c1r3c1r4c1r5c1r6c1|11,r0c4r1c4r2c4|15,r6c4r7c4r8c4|17,r3c4r3c5r3c6", "solution": "948365712173942685526817439419536827852471963637298541784153296395624178261789354", "extra": "{\"grid_size\": 9, \"puzzle_number\": 540, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 543, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-06-28", "puzzle": 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"20,r4c6r5c6r6c5r6c6|11,r1c0r2c0|11,r7c8r8c8|15,r4c1r4c2r4c3|10,r0c0r0c1|14,r5c8r6c7r6c8|16,r1c1r2c1|13,r7c3r8c3r8c4|22,r2c8r3c8r4c7r4c8r5c7|10,r0c2r0c3r1c2|24,r5c4r6c4r7c4|20,r2c2r2c3r2c4r3c2|6,r8c6r8c7|11,r4c0r5c0r5c1|27,r0c7r0c8r1c7r1c8|37,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|4,r1c5r2c5|22,r5c2r5c3r6c2r6c3|24,r0c4r0c5r0c6r1c3r1c4|10,r7c5r8c5|12,r3c0r3c1|32,r3c3r3c4r3c5r4c4r4c5r5c5|11,r1c6r2c6r2c7|15,r7c6r7c7|8,r3c6r3c7", "solution": "281547369694823157573961824842639715756418932319275486468392571125784693937156248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 546, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 547, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-06-29", "puzzle": "9,r5c6r5c7|27,r1c7r1c8r2c6r2c7|8,r8c3r8c4|7,r3c6r4c5r4c6|9,r0c4r0c5|16,r6c1r6c2r7c0r7c1|12,r3c1r3c2|11,r3c7r4c7|10,r0c6r0c7r0c8|21,r5c5r6c3r6c4r6c5r6c6|12,r2c8r3c8|13,r4c8r5c8|38,r0c0r0c1r0c2r0c3r1c0r1c1r2c0r2c1|30,r7c2r7c3r7c4r7c5r7c6|6,r3c0r4c0|17,r5c0r6c0|29,r1c2r1c3r1c4r1c5r1c6|42,r6c7r6c8r7c7r7c8r8c5r8c6r8c7r8c8|12,r4c1r5c1|25,r3c4r3c5r4c4r5c3r5c4|25,r2c2r2c3r2c4r2c5r3c3|16,r8c0r8c1r8c2|10,r4c2r4c3r5c2", "solution": "683945721127863594549172863475681239296354187831297456952416378364728915718539642", "extra": "{\"grid_size\": 9, \"puzzle_number\": 547, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 548, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-29", "puzzle": "17,r5c3r6c2r6c3r7c3|15,r2c0r3c0|12,r8c5r8c6|13,r4c2r4c3r5c2|17,r0c2r0c3|9,r5c8r6c8|25,r2c2r2c3r3c2r3c3|14,r7c8r8c7r8c8|24,r4c4r4c5r5c4|28,r0c0r0c1r1c0r1c1r1c2r2c1|17,r7c0r7c1r7c2r8c0|12,r2c4r2c5r3c4|26,r4c6r5c5r5c6r6c4r6c5|18,r0c4r0c5r1c3r1c4r1c5|10,r7c4r7c5|13,r2c6r3c5r3c6r3c7|14,r4c7r5c7|12,r0c6r1c6|22,r6c6r6c7r7c6r7c7|17,r1c8r2c8r3c8r4c8|14,r6c0r6c1|20,r0c7r0c8r1c7r2c7|18,r8c1r8c2r8c3r8c4|18,r3c1r4c0r4c1r5c0r5c1", "solution": "138952476465713829792846153879624531516379284324581967957168342281437695643295718", "extra": "{\"grid_size\": 9, \"puzzle_number\": 548, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 549, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-06-30", "puzzle": "10,r7c5r8c5|5,r5c3r5c4|8,r1c6r1c7|8,r6c1r7c1|17,r2c7r3c7|12,r0c2r0c3|12,r5c7r5c8|15,r0c8r1c8r2c8|9,r7c2r7c3|34,r3c1r4c0r4c1r5c0r5c1|11,r0c6r0c7|15,r5c2r6c2r6c3|13,r2c5r2c6r3c6|10,r6c4r7c4|13,r3c5r4c5|14,r0c0r0c1r1c0|16,r5c5r5c6r6c5|6,r2c0r3c0|8,r8c0r8c1r8c2|4,r4c6r4c7|21,r1c1r1c2r2c1r2c2|45,r6c6r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|12,r2c3r3c2r3c3|12,r8c3r8c4|11,r3c8r4c8|23,r0c4r0c5r1c3r1c4r1c5|16,r6c0r7c0|25,r2c4r3c4r4c2r4c3r4c4", "solution": "249371568856924173137865294593147682472586319681239457928613745765492831314758926", "extra": "{\"grid_size\": 9, \"puzzle_number\": 549, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 550, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-06-30", "puzzle": "16,r5c3r6c3r7c3r8c3|11,r2c0r2c1|8,r7c7r7c8|13,r3c0r4c0|4,r0c2r0c3|26,r5c5r5c6r6c5r7c5r7c6|16,r1c2r2c2|10,r8c1r8c2|17,r3c1r3c2r4c1r4c2r5c2|37,r0c4r0c5r0c6r0c7r0c8r1c4|7,r4c8r5c8|9,r1c3r2c3|10,r8c4r8c5|17,r3c3r4c3|7,r0c0r1c0|12,r5c4r6c4r7c4|31,r1c5r2c5r2c6r2c7r3c7r4c7|13,r8c6r8c7r8c8|10,r4c5r4c6|10,r0c1r1c1|24,r5c7r6c6r6c7r6c8|10,r2c8r3c8|29,r5c0r5c1r6c0r6c1r6c2|12,r1c6r1c7r1c8|21,r7c0r7c1r7c2r8c0|25,r2c4r3c4r3c5r3c6r4c4", "solution": "541386729269754831387291564932845176415967382876132495194673258653428917728519643", "extra": "{\"grid_size\": 9, \"puzzle_number\": 550, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 551, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-06-30", "puzzle": "37,r4c3r4c4r4c5r5c3r5c4r5c5r6c4|5,r1c5r1c6|9,r7c4r8c4|16,r2c8r3c7r3c8r4c8|20,r0c1r0c2r0c3r1c1r2c1|19,r5c7r6c6r6c7r7c7|11,r0c8r1c8|21,r8c5r8c6r8c7|19,r3c2r4c1r4c2r5c2|30,r0c5r0c6r0c7r1c7r2c7|21,r5c8r6c8r7c8r8c8|8,r2c2r2c3|20,r3c6r4c6r4c7r5c6|8,r0c0r1c0|14,r6c3r7c2r7c3|7,r2c5r2c6|18,r5c0r6c0r7c0r8c0|11,r1c2r1c3|16,r6c5r7c5r7c6|28,r2c0r3c0r3c1r4c0|18,r5c1r6c1r6c2r7c1|11,r0c4r1c4|13,r8c1r8c2r8c3|25,r2c4r3c3r3c4r3c5", "solution": "217548963639271458845396127492817635768953241153624879524789316976132584381465792", "extra": "{\"grid_size\": 9, \"puzzle_number\": 551, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 552, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-07-01", "puzzle": "18,r8c2r8c3r8c4r8c5r8c6|6,r4c7r4c8r5c7|17,r1c0r2c0r2c1r2c2|15,r6c3r6c4r6c5|12,r2c4r3c4|14,r0c0r0c1|15,r7c8r8c8|11,r4c2r5c2|12,r1c3r2c3|14,r6c6r6c7r7c7r8c7|13,r3c5r3c6|27,r0c2r0c3r0c4r0c5r0c6r1c4|11,r5c3r5c4r5c5|10,r1c5r2c5|12,r5c8r6c8|10,r3c7r3c8|12,r0c7r0c8|15,r4c6r5c6|19,r1c8r2c6r2c7r2c8|30,r7c2r7c3r7c4r7c5r7c6|21,r4c0r4c1r5c1|10,r1c1r1c2|10,r5c0r6c0|9,r3c0r3c1|10,r7c0r8c0|14,r4c3r4c4r4c5|11,r1c6r1c7|23,r6c1r6c2r7c1r8c1|4,r3c2r3c3", "solution": "864921375137586294529734681271398546945167832386452719758249163413675928692813457", "extra": "{\"grid_size\": 9, \"puzzle_number\": 552, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 553, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-07-01", "puzzle": "26,r6c0r6c1r6c2r6c3r6c4|16,r1c6r1c7r1c8r2c7r3c7|10,r8c6r8c7r8c8|10,r4c2r4c3|24,r0c2r0c3r0c4r1c2|19,r7c0r7c1r8c0r8c1|33,r2c0r2c1r2c2r2c3r2c4|21,r4c4r4c5r4c6r4c7|24,r0c6r0c7r0c8|12,r7c3r7c4|26,r3c1r3c2r4c1r5c1r5c2|8,r5c3r5c4r5c5|15,r0c0r0c1r1c0r1c1|17,r6c5r7c5r8c5|19,r3c3r3c4r3c5|15,r5c6r6c6|7,r1c3r1c4|26,r5c7r6c7r7c6r7c7r7c8|12,r2c6r3c6|23,r2c8r3c8r4c8r5c8r6c8|11,r0c5r1c5r2c5|16,r7c2r8c2r8c3r8c4|15,r3c0r4c0r5c0", "solution": "125463897849527316673981524516298743394675182782134659467812935231759468958346271", "extra": "{\"grid_size\": 9, \"puzzle_number\": 553, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 555, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-07-02", "puzzle": "11,r7c6r7c7|20,r5c0r6c0r6c1|7,r0c4r1c4|8,r7c0r8c0|11,r2c4r3c4|15,r0c1r0c2|12,r8c1r8c2|15,r3c1r4c0r4c1r5c1|14,r0c5r1c5|13,r6c2r7c1r7c2|27,r2c8r3c8r4c8r5c8r6c8|13,r0c6r0c7r0c8r1c8|18,r7c8r8c6r8c7r8c8|11,r5c3r6c3|10,r1c6r1c7|6,r7c3r8c3|13,r3c2r4c2r5c2|4,r0c0r1c0|7,r5c4r6c4|16,r2c5r2c6r2c7|13,r7c4r8c4|9,r4c3r4c4|19,r1c1r1c2r2c2|23,r3c5r3c6r4c5r5c5r5c6|16,r2c0r2c1r3c0|10,r7c5r8c5|29,r3c7r4c6r4c7r5c7|16,r0c3r1c3|9,r6c5r6c6r6c7|10,r2c3r3c3", "solution": "369728145147956823528431967912685374436279581875314296751862439293147658684593712", "extra": "{\"grid_size\": 9, \"puzzle_number\": 555, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 554, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-01", "puzzle": "11,r7c1r7c2|32,r2c0r2c1r3c0r3c1r4c0|35,r4c5r4c6r4c7r5c5r5c7r5c8|25,r0c0r0c1r0c2r1c0r1c1|35,r6c3r6c4r6c5r7c3r7c4r7c5r8c4|19,r1c2r2c2r2c3r3c2r3c3|21,r6c0r6c1r7c0r8c0r8c1|23,r0c6r0c7r0c8r1c7r1c8|15,r7c6r7c7|12,r3c4r4c4r5c4|12,r5c2r6c2|4,r0c3r1c3|9,r8c2r8c3|22,r1c6r2c5r2c6r3c5r3c6|6,r5c6r6c6|23,r0c4r1c4r2c4|8,r8c5r8c6|22,r2c7r2c8r3c7r3c8r4c8|27,r6c7r6c8r7c8r8c7r8c8|11,r0c5r1c5|33,r4c1r4c2r4c3r5c0r5c1r5c3", "solution": "862394715453167982791285346386751429579642831214839567628973154147528693935416278", "extra": "{\"grid_size\": 9, \"puzzle_number\": 554, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 556, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-07-02", "puzzle": "13,r5c0r5c1r5c2|10,r1c1r2c1r2c2|26,r6c2r7c2r7c3r7c4r7c5|15,r3c6r3c7r3c8|14,r0c1r0c2r1c2|12,r5c5r6c5|11,r2c4r2c5|10,r7c8r8c8|7,r4c0r4c1|23,r0c3r0c4r0c5r0c6|16,r5c6r5c7|16,r2c0r3c0|23,r6c0r6c1r7c0r7c1r8c0r8c1|20,r4c2r4c3r5c3|27,r0c7r0c8r1c7r1c8r2c7r2c8|13,r5c8r6c8|12,r3c1r3c2|21,r8c2r8c3r8c4r8c5|12,r3c5r4c5r4c6|12,r0c0r1c0|11,r6c3r6c4|7,r2c3r3c3|13,r7c6r8c6r8c7|7,r4c7r4c8|28,r1c3r1c4r1c5r1c6r2c6|15,r6c6r6c7r7c7|11,r3c4r4c4r5c4", "solution": "461378592857492613932165748793614285526987134184523976215839467379246851648751329", "extra": "{\"grid_size\": 9, \"puzzle_number\": 556, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 557, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-02", "puzzle": "13,r4c6r5c6r6c6|30,r0c7r0c8r1c8r2c6r2c7r2c8|6,r8c7r8c8|19,r4c3r4c4r4c5|15,r0c0r0c1|26,r6c0r6c1r6c2r7c0r8c0r8c1|8,r2c2r3c2r4c2|21,r4c7r4c8r5c7r6c7r7c7|30,r0c2r0c3r0c4r1c2r1c3|21,r5c8r6c8r7c8|11,r2c3r3c3|11,r5c0r5c1r5c2|22,r0c5r1c4r1c5r2c4r3c4|19,r7c1r7c2r8c2|3,r2c5r3c5|4,r5c3r6c3|15,r0c6r1c6r1c7|28,r5c4r6c4r7c3r7c4r8c3|20,r3c6r3c7r3c8|10,r5c5r6c5|14,r1c0r2c0r3c0|30,r7c5r7c6r8c4r8c5r8c6|29,r1c1r2c1r3c1r4c0r4c1", "solution": "695718234428953761371642598764521983953487126182396475237164859849235617516879342", "extra": "{\"grid_size\": 9, \"puzzle_number\": 557, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 559, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-07-03", "puzzle": "28,r3c8r4c8r5c7r5c8r6c7r6c8|38,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|11,r4c3r5c3r5c4|8,r0c0r0c1|15,r7c0r7c1r8c0r8c1|31,r1c0r1c1r2c0r3c0r4c0|7,r5c5r6c4r6c5|30,r0c2r0c3r0c4r0c5r1c2r1c3|21,r7c2r7c3r7c4r7c5|15,r3c2r3c3r4c2|8,r5c0r6c0|8,r2c1r2c2|16,r7c8r8c8|25,r3c1r4c1r5c1r6c1|22,r5c2r6c2r6c3|16,r1c4r1c5r2c3r2c4|17,r8c2r8c3|18,r3c4r4c4r4c5|3,r6c6r7c6|23,r2c5r2c6r3c5r3c6|20,r7c7r8c4r8c5r8c6r8c7|25,r3c7r4c6r4c7r5c6", "solution": "261397584784615923935284716148579362692138475357462891576941238823756149419823657", "extra": "{\"grid_size\": 9, \"puzzle_number\": 559, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 558, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-07-03", "puzzle": "17,r8c1r8c2|25,r3c7r4c5r4c6r4c7r5c7|3,r1c5r1c6|6,r7c0r8c0|26,r3c3r3c4r4c4r5c3r5c4|6,r0c1r0c2|17,r8c4r8c5r8c6r8c7|6,r5c0r6c0|15,r0c8r1c7r1c8|13,r7c2r7c3r8c3|20,r2c6r2c7r3c5r3c6|27,r0c4r0c5r0c6r0c7|4,r5c1r5c2|13,r1c1r2c1|15,r6c4r6c5r7c4|21,r2c8r3c8r4c8r5c8r6c8|9,r0c0r1c0|23,r5c5r5c6r6c6r6c7|9,r2c2r2c3|11,r7c5r7c6|10,r4c0r4c1|15,r0c3r1c2r1c3|10,r6c1r7c1|16,r2c0r3c0|15,r7c7r7c8r8c8|8,r4c2r4c3|17,r1c4r2c4r2c5|15,r6c2r6c3|13,r3c1r3c2", "solution": "642139785389572146751864293967451832825397461413628957276943518134785629598216374", "extra": "{\"grid_size\": 9, \"puzzle_number\": 558, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 561, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-07-04", "puzzle": "15,r8c2r8c3|10,r4c7r5c7|10,r1c0r2c0|4,r6c4r7c4|14,r2c5r2c6r3c6|9,r0c0r0c1|10,r8c4r8c5|13,r5c1r5c2|21,r1c1r1c2r2c1r3c1|17,r5c5r6c5r6c6|6,r3c8r4c8|11,r0c2r0c3|12,r8c6r8c7|12,r4c3r5c3r5c4|10,r2c3r2c4|32,r6c1r6c2r7c0r7c1r7c2r8c0r8c1|11,r3c0r4c0|10,r0c4r0c5|8,r5c8r6c8|27,r1c5r1c6r1c7r2c7r3c7|18,r6c7r7c5r7c6r7c7|9,r4c1r4c2|8,r1c3r1c4|15,r5c0r6c0|13,r2c2r3c2r3c3|12,r7c8r8c8|6,r4c6r5c6|30,r0c6r0c7r0c8r1c8r2c8|9,r6c3r7c3|23,r3c4r3c5r4c4r4c5", "solution": "273891564148265397965374128631742985527689431894153276759436812382517649416928753", "extra": "{\"grid_size\": 9, \"puzzle_number\": 561, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 562, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-04", "puzzle": "11,r8c2r8c3r8c4|4,r4c6r4c7|9,r0c8r1c8|11,r7c0r7c1|8,r2c0r3c0|21,r0c0r0c1r1c0|16,r7c5r8c5r8c6|10,r4c0r5c0r6c0|13,r1c1r1c2r2c1|19,r6c3r7c2r7c3|16,r2c7r3c6r3c7|7,r0c2r0c3|12,r5c1r5c2|26,r2c2r2c3r2c4r3c2r4c2|10,r6c4r7c4|9,r3c1r4c1|12,r0c4r0c5r0c6|12,r5c7r5c8r6c8|9,r1c5r2c5|32,r6c7r7c6r7c7r7c8r8c7r8c8|27,r3c3r3c4r3c5r4c3r5c3|12,r1c3r1c4|8,r6c1r6c2|11,r1c6r2c6|15,r8c0r8c1|18,r4c4r4c5r5c4r5c5|12,r0c7r1c7|15,r5c6r6c5r6c6|20,r2c8r3c8r4c8", "solution": "941627358865394271327185964516743829284569137739812546153976482478231695692458713", "extra": "{\"grid_size\": 9, \"puzzle_number\": 562, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 560, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-03", "puzzle": 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"20,r5c0r6c0r7c0|10,r1c5r1c6|6,r6c6r6c7r7c6|16,r4c2r4c3r5c2|17,r0c0r0c1r1c0|10,r5c3r6c3r6c4|22,r2c2r2c3r3c2r3c3|24,r7c7r7c8r8c7r8c8|19,r4c4r4c5r5c4|13,r0c3r1c3|16,r5c5r5c6r6c5|31,r0c8r1c7r1c8r2c6r2c7r2c8|11,r8c5r8c6|16,r3c5r3c6r4c6|14,r0c5r0c6r0c7|9,r5c8r6c8|9,r3c0r3c1|11,r5c1r6c1|20,r0c2r1c1r1c2r2c0r2c1|29,r6c2r7c1r7c2r8c0r8c1r8c2|22,r2c4r2c5r3c4|27,r3c7r3c8r4c7r4c8r5c7|3,r0c4r1c4|25,r7c3r7c4r7c5r8c3r8c4|5,r4c0r4c1", "solution": "265814739973526418148397652459263871321978564786145293837459126592681347614732985", "extra": "{\"grid_size\": 9, \"puzzle_number\": 563, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 564, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-07-05", "puzzle": 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"8,r7c6r8c6|11,r3c8r4c8|11,r0c6r1c6|11,r6c0r7c0r8c0|36,r2c3r3c3r3c4r4c3r4c4r5c4|12,r0c0r0c1|11,r7c8r8c8|31,r4c1r5c0r5c1r6c1r7c1|20,r0c7r0c8r1c7r1c8|9,r7c2r7c3r8c3|9,r3c6r3c7|14,r0c4r0c5|13,r5c2r5c3|6,r2c1r2c2|12,r7c4r7c5|11,r3c2r4c2|21,r1c0r1c1r2c0|20,r6c2r6c3r6c4|17,r1c5r2c5r2c6|4,r8c1r8c2|25,r3c5r4c5r5c5r5c6r6c5|6,r0c2r1c2|26,r5c7r6c6r6c7r7c7r8c7|9,r2c7r2c8|12,r8c4r8c5|10,r4c6r4c7|12,r0c3r1c3r1c4r2c4|6,r5c8r6c8|12,r3c0r3c1r4c0", "solution": "935468712761523489824719536152897364649351827387642951278936145596184273413275698", "extra": "{\"grid_size\": 9, \"puzzle_number\": 573, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 574, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-07-08", "puzzle": "16,r5c5r5c6r6c5|16,r1c1r1c2r2c1|17,r7c7r7c8r8c7r8c8|12,r2c5r3c5r4c5|12,r0c2r0c3r0c4|6,r6c2r6c3|7,r2c6r3c6|5,r8c1r8c2|22,r3c7r4c6r4c7r5c7|10,r0c7r0c8|18,r6c6r6c7r7c6|9,r1c8r2c8|18,r8c3r8c4r8c5r8c6|26,r3c8r4c8r5c8r6c8|17,r0c0r0c1r1c0|14,r7c0r8c0|13,r2c0r3c0r4c0|32,r3c1r4c1r5c0r5c1r6c0r6c1|35,r0c5r0c6r1c3r1c4r1c5r1c6|12,r7c1r7c2|23,r2c2r2c3r3c2|9,r5c2r5c3r5c4|6,r1c7r2c7|18,r6c4r7c3r7c4r7c5|32,r2c4r3c3r3c4r4c2r4c3r4c4", "solution": "285164973749385621136972548318649257972851364564237189491528736657493812823716495", "extra": "{\"grid_size\": 9, \"puzzle_number\": 574, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 575, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-08", "puzzle": 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"19,r5c0r5c1r6c0|12,r2c5r2c6r3c5r3c6|19,r7c3r8c2r8c3|17,r3c1r4c1r4c2r5c2|13,r0c1r0c2|9,r5c5r5c6|20,r1c6r1c7r2c7|30,r6c1r6c2r7c0r7c1r7c2r8c0r8c1|27,r4c3r4c4r5c3r5c4|12,r0c3r0c4|18,r6c3r6c4r7c4r7c5|32,r0c5r0c6r0c7r0c8r1c8r2c8r3c8|25,r8c4r8c5r8c6r8c7r8c8|13,r4c5r4c6|23,r0c0r1c0r2c0r3c0r4c0|14,r6c5r6c6|12,r2c2r3c2|10,r3c7r4c7r5c7|13,r1c1r1c2r2c1|6,r6c7r7c6r7c7|12,r2c3r3c3|9,r4c8r5c8|17,r1c3r1c4r1c5|16,r6c8r7c8|7,r2c4r3c4", "solution": "176485392483629571925713684397561248652874913841392756734156829569248137218937465", "extra": "{\"grid_size\": 9, \"puzzle_number\": 586, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 585, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-07-12", "puzzle": 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"9,r6c0r6c1|19,r1c7r1c8r2c8r3c8|33,r4c0r4c1r4c2r4c3r5c0r5c1|15,r0c0r0c1r1c0r1c1|40,r6c2r6c3r6c4r7c2r7c3r7c4r7c5r7c6|25,r1c2r1c3r2c1r2c2r3c1|7,r5c2r5c3|16,r0c2r0c3|9,r7c0r8c0|13,r2c0r3c0|17,r4c4r4c5r5c4|27,r0c4r0c5r1c4r1c5r2c4r3c4|19,r7c1r8c1r8c2r8c3|10,r2c3r3c2r3c3|22,r5c5r5c6r6c5r6c6|11,r0c7r0c8|10,r8c4r8c5|10,r2c5r3c5|11,r4c8r5c8|7,r0c6r1c6|31,r6c8r7c7r7c8r8c6r8c7r8c8|44,r2c6r2c7r3c6r3c7r4c6r4c7r5c7r6c7", "solution": "127984365398756412645312897712538649864129573953467128271845936489673251536291784", "extra": "{\"grid_size\": 9, \"puzzle_number\": 587, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 588, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-07-13", "puzzle": 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"6,r5c6r6c6|9,r1c5r1c6|19,r6c4r6c5r7c4r8c4|11,r2c8r3c8|21,r0c1r0c2r1c2|7,r5c8r6c8|8,r0c8r1c8|8,r7c5r7c6|7,r3c3r4c3r5c3|19,r0c5r0c6r0c7r1c7|14,r6c1r7c1|8,r1c1r2c1|10,r7c8r8c8|16,r3c4r4c4r5c4|11,r0c0r1c0r2c0|17,r5c2r6c2r6c3|20,r2c2r2c3r3c2|9,r7c2r8c1r8c2|25,r3c5r4c5r4c6r5c5|15,r0c3r1c3|21,r6c0r7c0r8c0|13,r2c6r3c6|23,r7c7r8c5r8c6r8c7|29,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|16,r0c4r1c4r2c4r2c5|8,r7c3r8c3|35,r2c7r3c7r4c7r4c8r5c7r6c7", "solution": "698725143274813695315694827139286574426157389857439261581972436962341758743568912", "extra": "{\"grid_size\": 9, \"puzzle_number\": 594, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 595, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-07-15", "puzzle": 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"17,r5c5r6c5r6c6|28,r1c2r2c1r2c2r3c1r3c2|29,r3c8r4c8r5c8r6c8r7c8r8c8|19,r0c0r0c1r0c2|24,r5c6r5c7r6c7|10,r1c4r2c4r3c4|7,r4c4r5c4|9,r0c6r0c7r0c8|22,r7c1r7c2r7c3r8c1r8c2|31,r1c6r2c6r2c7r3c6r3c7|9,r5c1r5c2r6c1|7,r1c0r1c1r2c0|19,r7c5r7c6r7c7r8c6r8c7|37,r3c0r4c0r5c0r6c0r7c0r8c0|16,r5c3r6c2r6c3|28,r0c3r0c4r0c5r1c3r1c5|14,r8c3r8c4r8c5|30,r2c3r3c3r4c1r4c2r4c3|13,r6c4r7c4|14,r1c7r1c8r2c8|22,r2c5r3c5r4c5r4c6r4c7", "solution": "568179423249635817137428956481752369792863541653914782315247698824396175976581234", "extra": "{\"grid_size\": 9, \"puzzle_number\": 596, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 601, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-17", "puzzle": "9,r6c8r7c8|15,r0c8r1c8r2c8|12,r8c6r8c7r8c8|32,r4c6r4c7r4c8r5c7r5c8|16,r0c0r0c1r0c2|9,r6c0r7c0r8c0|12,r1c0r2c0|38,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|12,r0c5r0c6r0c7|35,r5c0r5c1r5c2r6c2r7c2r7c3r7c4|5,r2c3r2c4|16,r6c1r7c1|24,r1c1r1c2r2c1r2c2r3c2|18,r7c5r8c4r8c5|9,r2c5r3c5|9,r5c3r6c3|18,r0c3r0c4r1c3|27,r5c6r6c6r6c7r7c6r7c7|10,r1c7r2c7|10,r6c4r6c5|34,r1c4r1c5r1c6r2c6r3c6r3c7r3c8|13,r8c1r8c2r8c3|22,r3c0r3c1r4c0r4c1r4c2", "solution": "619875432784392615532146798867923541143657829925418367271564983498731256356289174", "extra": "{\"grid_size\": 9, \"puzzle_number\": 601, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 599, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-16", "puzzle": "25,r5c8r6c8r7c7r7c8|19,r2c1r2c2r3c1|11,r4c7r4c8|37,r0c0r0c1r0c2r0c3r0c4r0c5|14,r7c0r8c0|23,r0c6r0c7r1c7r2c7|25,r5c0r5c1r5c2r5c3r6c0|31,r1c2r1c3r1c4r2c3r2c4r2c5|17,r6c2r7c2r7c3|17,r3c2r3c3r4c2r4c3|25,r4c5r4c6r5c5r5c6|19,r1c5r1c6r2c6|24,r6c3r6c4r6c5r7c4r7c5r7c6|23,r2c8r3c5r3c6r3c7r3c8|19,r6c1r7c1r8c1r8c2|5,r0c8r1c8|28,r8c3r8c4r8c5r8c6r8c7r8c8|8,r4c0r4c1|13,r5c7r6c6r6c7|10,r1c0r1c1r2c0r3c0|12,r3c4r4c4r5c4", "solution": "894736251317285694256149873489312567621457938735968142148593726573621489962874315", "extra": "{\"grid_size\": 9, \"puzzle_number\": 599, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 600, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-07-17", "puzzle": 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"13,r8c3r8c4r8c5r8c6|15,r3c8r4c8r5c8|8,r1c1r2c1|9,r6c5r6c6|11,r3c5r3c6|19,r0c3r0c4r0c5r0c6|20,r7c6r7c7r8c7r8c8|13,r5c0r5c1|23,r1c3r2c2r2c3r2c4|12,r6c8r7c8|26,r2c7r3c7r4c7r5c7r6c7|17,r0c7r0c8r1c6r1c7|4,r5c3r5c4|12,r2c5r2c6|20,r6c0r7c0r8c0r8c1|5,r4c0r4c1|30,r0c0r0c1r1c0r2c0|6,r5c5r5c6|12,r1c8r2c8|13,r7c2r8c2|19,r3c2r4c2r5c2|3,r0c2r1c2|6,r6c1r7c1|8,r3c0r3c1|7,r7c4r7c5|22,r4c3r4c4r4c5r4c6|10,r1c4r1c5|30,r6c2r6c3r6c4r7c3|12,r3c3r3c4", "solution": "892157634731946825654283917269578341413629578587314296146892753325761489978435162", "extra": "{\"grid_size\": 9, \"puzzle_number\": 612, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 610, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-07-20", "puzzle": 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"14,r6c2r7c2|13,r1c5r2c4r2c5|35,r7c6r7c7r8c5r8c6r8c7r8c8|11,r4c1r4c2r4c3|22,r0c1r0c2r0c3r0c4|19,r6c4r6c5r7c5|11,r1c8r2c8r3c8|10,r4c5r4c6|28,r0c5r0c6r0c7r0c8r1c6r1c7|16,r5c8r6c8r7c8|8,r3c2r3c3|5,r5c2r5c3|34,r0c0r1c0r1c1r2c0r2c1r3c1|35,r5c1r6c0r6c1r7c0r7c1r8c0|28,r3c4r3c5r4c4r5c4r5c5|11,r5c6r6c6|20,r1c3r1c4r2c3|7,r6c3r7c3r7c4|7,r2c6r3c6|33,r2c7r3c7r4c7r4c8r5c7r6c7|7,r1c2r2c2|18,r8c1r8c2r8c3r8c4|13,r3c0r4c0r5c0", "solution": "849723165372651948165984372293576481617348259584192637728439516456217893931865724", "extra": "{\"grid_size\": 9, \"puzzle_number\": 613, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 619, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-07-23", "puzzle": 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"28,r6c0r6c1r7c0r7c1r8c0|15,r1c4r2c4r3c4r4c4|19,r6c7r6c8r7c7r7c8r8c8|17,r3c8r4c8r5c8|26,r0c2r0c3r0c4r0c5r0c6|22,r5c2r6c2r7c2r7c3|19,r3c0r4c0r5c0|11,r8c1r8c2|5,r4c2r4c3|21,r0c0r0c1r1c0r1c1r2c0|6,r5c3r6c3|14,r2c1r3c1r3c2|16,r8c3r8c4r8c5|10,r4c5r4c6|23,r1c2r1c3r2c2|16,r5c4r6c4r7c4|11,r2c3r3c3|13,r8c6r8c7|5,r4c1r5c1|15,r1c5r1c6r2c6|10,r5c5r6c5|4,r2c5r3c5|9,r4c7r5c7|30,r0c7r0c8r1c7r1c8r2c8|22,r5c6r6c6r7c5r7c6|18,r2c7r3c6r3c7", "solution": "764892315129635487538741629256413978843279156917586243375164892681927534492358761", "extra": "{\"grid_size\": 9, \"puzzle_number\": 614, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 618, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-07-23", "puzzle": "17,r5c0r6c0|5,r1c4r1c5|38,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|12,r3c5r3c6|16,r0c5r0c6|11,r6c1r6c2|8,r1c6r2c6|13,r7c0r8c0|18,r2c8r3c8r4c8r5c8|6,r0c7r0c8|9,r5c3r6c3|25,r1c7r1c8r2c7r3c7|25,r8c2r8c3r8c4r8c5|9,r4c1r5c1|12,r0c0r0c1r1c0|16,r5c6r6c5r6c6|8,r3c0r3c1r4c0|11,r4c5r5c4r5c5|27,r0c2r1c1r1c2r2c0r2c1|12,r7c1r7c2r7c3r8c1|40,r2c2r2c3r2c4r2c5r3c2r4c2r5c2|16,r4c6r4c7r5c7|18,r0c3r0c4r1c3|11,r6c4r7c4r7c5|22,r3c3r3c4r4c3r4c4", "solution": "382467951195832647476195283217589364534726819968341572829614735651273498743958126", "extra": "{\"grid_size\": 9, \"puzzle_number\": 618, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 616, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-07-22", "puzzle": "20,r4c6r5c6r6c6|27,r1c1r2c1r3c1r4c1r5c1r6c1|10,r8c7r8c8|23,r3c3r4c3r4c4r4c5r5c5|11,r0c0r0c1|32,r2c7r3c7r4c7r5c7r6c7r7c7|13,r2c2r3c2r4c2|12,r4c8r5c8|19,r0c2r0c3r1c2|12,r6c8r7c8|18,r2c5r3c4r3c5|9,r5c0r6c0|20,r0c4r1c3r1c4r2c3r2c4|44,r7c0r7c1r7c2r7c3r8c0r8c1r8c2r8c3|15,r2c6r3c6|15,r5c2r6c2|40,r0c5r0c6r0c7r0c8r1c5r1c6r1c7r1c8|18,r6c4r6c5r7c4r7c5r8c4|6,r2c8r3c8|16,r5c3r5c4r6c3|10,r1c0r2c0|10,r7c6r8c5r8c6|5,r3c0r4c0", "solution": "654719382938256417127843695365478921281395764479162538516924873743681259892537146", "extra": "{\"grid_size\": 9, \"puzzle_number\": 616, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 615, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-07-22", "puzzle": "19,r7c7r7c8r8c7r8c8|21,r5c5r5c6r6c5|16,r0c8r1c8r2c8|26,r6c6r6c7r6c8r7c6r8c6|11,r3c7r3c8|28,r0c0r0c1r0c2r1c0r1c1r2c0|5,r5c7r5c8|17,r1c2r2c1r2c2|13,r8c0r8c1r8c2|13,r3c0r3c1r4c0|14,r0c3r0c4r1c3|11,r5c0r6c0r7c0|10,r2c3r2c4|4,r7c3r8c3|17,r3c2r4c2|13,r0c5r0c6r0c7|4,r5c2r6c2|11,r2c5r2c6|14,r7c4r8c4|13,r4c7r4c8|10,r1c4r1c5|21,r5c3r6c3r6c4|21,r3c3r3c4r4c3r4c4r4c5r5c4|9,r7c5r8c5|8,r4c1r5c1|16,r1c6r1c7r2c7|24,r6c1r7c1r7c2|16,r3c5r3c6r4c6", "solution": "825916437916473258374825691749238165238561749651749823193684572487352916562197384", "extra": "{\"grid_size\": 9, \"puzzle_number\": 615, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 617, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-22", "puzzle": "22,r5c6r5c7r6c6r6c7|9,r1c6r1c7|12,r7c0r8c0r8c1|18,r4c2r4c3r4c4|18,r0c0r0c1r1c0|16,r6c1r7c1|11,r1c1r2c1|20,r7c3r8c2r8c3|17,r3c5r4c5r5c5|16,r0c2r0c3r1c3|11,r6c2r6c3r7c2|15,r1c2r2c2r2c3|18,r8c4r8c5r8c6|11,r4c6r4c7r4c8|18,r0c4r0c5r0c6|13,r6c4r6c5|11,r2c4r2c5|21,r5c8r6c8r7c8r8c7r8c8|28,r2c0r3c0r4c0r4c1r5c0r6c0|28,r0c7r0c8r1c8r2c8r3c8|6,r7c4r7c5|15,r3c1r3c2r3c3r3c4|16,r5c1r5c2r5c3r5c4|7,r1c4r1c5|5,r7c6r7c7|23,r2c6r2c7r3c6r3c7", "solution": "569138742734625189182947635213476598957382461846519273371294856698751324425863917", "extra": "{\"grid_size\": 9, \"puzzle_number\": 617, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 622, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-07-24", "puzzle": "6,r5c4r6c4|18,r1c5r1c6r2c5|19,r5c5r6c5r7c5r8c5|3,r4c1r5c1|23,r0c0r0c1r0c2r1c1r1c2|13,r4c6r5c6|15,r1c7r1c8r2c7|24,r7c4r8c0r8c1r8c2r8c3r8c4|25,r3c5r4c3r4c4r4c5r5c3|30,r0c4r0c5r0c6r0c7r0c8r1c4|14,r6c1r7c0r7c1|7,r3c2r4c2|26,r7c6r7c7r8c6r8c7r8c8|12,r3c7r4c7|18,r0c3r1c3r2c3r3c3|18,r6c3r7c2r7c3|15,r2c4r3c4|14,r5c0r6c0|22,r1c0r2c0r3c0r4c0|20,r5c7r6c6r6c7|7,r2c6r3c6|11,r5c2r6c2|24,r2c1r2c2r3c1|16,r4c8r5c8r6c8r7c8|5,r2c8r3c8", "solution": "462571839538429167197368524784693251913285476625714983846157392379842615251936748", "extra": "{\"grid_size\": 9, \"puzzle_number\": 622, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 620, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-23", "puzzle": "29,r6c8r7c7r7c8r8c7r8c8|31,r2c4r3c4r3c5r3c6r4c6|27,r5c6r5c7r6c6r6c7r7c6|13,r0c0r0c1|14,r7c0r8c0|19,r2c7r3c7r4c7|24,r1c8r2c8r3c8r4c8r5c8|13,r0c6r0c7r0c8r1c7|23,r7c1r7c2r8c1r8c2|27,r1c0r2c0r3c0r4c0r5c0r6c0|7,r5c1r6c1|22,r0c2r1c1r1c2r2c1r2c2|11,r7c3r8c3|8,r3c1r3c2r4c1|12,r6c2r6c3|21,r0c5r1c5r1c6r2c5r2c6|9,r8c4r8c5r8c6|23,r4c2r4c3r4c4r4c5|12,r7c4r7c5|30,r0c3r0c4r1c3r1c4r2c3r3c3|30,r5c2r5c3r5c4r5c5r6c4r6c5", "solution": "496582713813947526275163498621358947758294361349671852134825679562739184987416235", "extra": "{\"grid_size\": 9, \"puzzle_number\": 620, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 623, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-24", "puzzle": "12,r7c5r8c5|20,r0c6r1c6r1c7r1c8r2c7|13,r5c0r6c0|19,r0c4r0c5r1c4|25,r6c5r6c6r7c6r8c6|20,r1c5r2c5r3c5r4c5r5c5|28,r4c1r4c2r5c1r5c2r6c2|11,r0c7r0c8|16,r7c7r7c8r8c7r8c8|25,r2c0r2c1r3c0r3c1r3c2r4c0|31,r4c8r5c6r5c7r5c8r6c7r6c8|24,r0c0r0c1r1c0r1c1|8,r8c0r8c1|23,r2c4r3c4r4c4r5c4r6c4|17,r3c3r4c3r5c3r6c3r7c3|21,r0c2r1c2r2c2r2c3|15,r7c4r8c3r8c4|27,r2c6r3c6r3c7r4c6r4c7|25,r6c1r7c0r7c1r7c2r8c2|11,r0c3r1c3|14,r2c8r3c8", "solution": "683574192195682734724931658341258976852796413976143285418329567539467821267815349", "extra": "{\"grid_size\": 9, \"puzzle_number\": 623, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 625, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-25", "puzzle": "11,r2c5r2c6|23,r2c4r3c4r4c4r5c4r6c4|21,r6c5r6c6r7c5|10,r4c1r4c2|28,r0c0r0c1r1c0r1c1r2c1|9,r5c6r5c7|15,r1c6r1c7r2c7|29,r7c3r7c4r8c2r8c3r8c4r8c5|11,r3c3r4c3|7,r0c7r0c8|21,r4c8r5c8r6c8|10,r1c8r2c8|7,r7c6r8c6|7,r4c5r5c5|11,r0c2r1c2|15,r6c0r7c0|15,r2c0r3c0r4c0|6,r8c0r8c1|8,r4c6r4c7|28,r0c3r0c4r0c5r0c6r1c4r1c5|13,r6c1r7c1r7c2|9,r3c1r3c2|25,r6c7r7c7r7c8r8c7r8c8|17,r5c0r5c1r5c2r5c3|18,r1c3r2c2r2c3|13,r6c2r6c3|18,r3c5r3c6r3c7r3c8", "solution": "728543916493861752561927438245796381819435267376182549937614825682359174154278693", "extra": "{\"grid_size\": 9, \"puzzle_number\": 625, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 624, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-07-25", "puzzle": "11,r8c5r8c6|13,r5c2r5c3r5c4|6,r1c5r1c6|23,r7c0r7c1r8c0r8c1|13,r2c6r2c7r3c6|9,r0c2r0c3|11,r8c7r8c8|15,r5c5r6c5|21,r1c7r1c8r2c8|3,r7c4r8c4|19,r3c1r4c1r4c2r5c1|3,r0c5r0c6|16,r5c6r6c6r6c7|11,r1c2r2c1r2c2|8,r7c5r7c6|7,r4c3r4c4|14,r0c7r0c8|23,r3c7r3c8r4c7r4c8r5c7r5c8|22,r1c3r2c3r2c4|14,r6c8r7c7r7c8|14,r4c5r4c6|22,r0c0r0c1r1c0r1c1|13,r6c1r6c2r7c2|14,r3c2r3c3r3c4|11,r8c2r8c3|23,r2c0r3c0r4c0r5c0r6c0|11,r0c4r1c4|24,r6c3r6c4r7c3|11,r2c5r3c5", "solution": "794531268513682479826974135368157924972348651145269783231896547489725316657413892", "extra": "{\"grid_size\": 9, \"puzzle_number\": 624, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 621, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-07-24", "puzzle": "15,r5c5r5c6r6c5|9,r1c6r1c7|4,r6c2r7c2|18,r4c1r4c2r5c1r5c2|8,r0c0r0c1r1c0|10,r6c3r6c4|23,r1c4r1c5r2c4r2c5|21,r7c3r7c4r8c4|12,r3c6r4c6|12,r0c4r0c5|28,r5c7r6c6r6c7r7c5r7c6r7c7|7,r2c6r2c7|12,r8c2r8c3|12,r3c7r4c7r4c8|20,r0c6r0c7r0c8r1c8|15,r5c8r6c8|12,r3c0r3c1r3c2|6,r8c5r8c6|15,r4c0r5c0|37,r0c2r1c1r1c2r2c0r2c1r2c2|22,r6c0r7c0r8c0r8c1|26,r3c3r3c4r3c5r4c3r5c3|13,r7c8r8c7r8c8|17,r4c4r4c5r5c4|10,r0c3r1c3r2c3|11,r6c1r7c1|10,r2c8r3c8", "solution": "126739485549168273837245619372584961985617342614392758453826197761953824298471536", "extra": "{\"grid_size\": 9, \"puzzle_number\": 621, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 626, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-25", "puzzle": "21,r6c0r7c0r8c0r8c1|8,r0c8r1c8|33,r4c4r4c5r5c5r6c5r6c6r7c5|22,r0c1r0c2r1c1r1c2|34,r5c4r6c4r7c2r7c4r8c2r8c3r8c4|10,r3c2r3c3|22,r4c6r4c7r5c6|4,r0c5r0c6|15,r7c6r7c7r8c5r8c6|26,r2c2r2c3r2c4r2c5r3c4r3c5|18,r5c0r5c1r6c1r7c1|17,r0c0r1c0r2c0r2c1|18,r7c8r8c7r8c8|38,r1c6r2c6r2c7r2c8r3c6r3c7r3c8|5,r5c2r6c2|29,r0c3r0c4r1c3r1c4r1c5|18,r3c0r3c1r4c0r4c1|24,r4c8r5c7r5c8r6c7r6c8|13,r0c7r1c7|30,r4c2r4c3r5c3r6c3r7c3", "solution": "475693182391842756826571439769134825148925673253768941582416397637289514914357268", "extra": "{\"grid_size\": 9, \"puzzle_number\": 626, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 631, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-07-27", "puzzle": 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"15,r6c0r7c0r8c0r8c1|23,r1c7r1c8r2c7r3c7r4c7|20,r8c4r8c5r8c6|15,r4c2r4c3r5c3|32,r0c0r0c1r0c2r0c3r1c0|9,r6c1r7c1|17,r2c0r2c1r2c2r3c0|26,r3c5r3c6r4c4r4c5r5c5|20,r0c4r0c5r0c6r0c7r0c8|32,r5c2r6c2r6c3r7c2r8c2r8c3|11,r2c3r2c4|20,r4c0r4c1r5c0r5c1|12,r1c1r1c2|16,r6c7r6c8|10,r3c1r3c2|21,r5c4r6c4r6c5r6c6r7c5r7c6|12,r1c3r1c4|9,r7c3r7c4|9,r3c3r3c4|30,r4c6r5c6r5c7r5c8|20,r1c5r1c6r2c5r2c6|20,r7c7r7c8r8c7r8c8|6,r2c8r3c8r4c8", "solution": "593812764784396125261745893819637542475928631632154987348561279956273418127489356", "extra": "{\"grid_size\": 9, \"puzzle_number\": 628, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 629, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-26", "puzzle": "29,r4c6r5c5r5c6r6c4r6c5r6c6|19,r0c7r1c7r2c7r3c7r4c7|17,r8c2r8c3r8c4|11,r1c5r2c5r3c5|9,r0c4r0c5|13,r5c7r5c8|12,r0c8r1c8|7,r7c5r8c5|21,r2c8r3c8r4c8|19,r0c0r0c1r1c0r1c1|21,r6c0r6c1r6c2r6c3|14,r2c0r2c1r3c0|14,r4c4r4c5r5c4|17,r0c2r0c3r1c2|25,r7c0r7c1r7c2r7c3r7c4|11,r3c1r4c1|12,r4c0r5c0|7,r1c3r1c4|40,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|28,r2c2r2c3r2c4r3c2r4c2|14,r5c1r5c2r5c3|21,r0c6r1c6r2c6r3c6|9,r8c0r8c1|15,r3c3r3c4r4c3", "solution": "725836914194527638638941257571263489946718325382459176819374562267195843453682791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 629, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 627, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-07-26", "puzzle": "13,r7c4r8c4|7,r4c1r4c2|8,r0c7r1c7|7,r5c6r5c7r6c7|13,r2c3r3c3|23,r0c0r0c1r0c2r0c3|5,r7c5r7c6|10,r4c3r4c4|7,r0c8r1c8|10,r6c0r7c0|5,r2c4r3c4|9,r0c5r0c6|14,r7c7r8c7|16,r4c5r4c6r4c7|4,r1c0r2c0|12,r6c1r7c1|15,r2c7r3c6r3c7|13,r1c2r1c3|11,r7c8r8c8|9,r5c2r6c2|8,r1c1r2c1|13,r5c5r6c5r6c6|27,r2c8r3c8r4c8r5c8r6c8|10,r0c4r1c4|18,r8c0r8c1r8c2r8c3|7,r5c3r6c3|21,r2c5r2c6r3c5|12,r7c2r7c3|28,r3c0r3c1r4c0r5c0r5c1|15,r1c5r1c6|12,r8c5r8c6|8,r5c4r6c4|15,r2c2r3c2", "solution": "579241836324968751168537924617825493452193678983476215896312547235784169741659382", "extra": "{\"grid_size\": 9, \"puzzle_number\": 627, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 630, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-07-27", "puzzle": "24,r7c3r7c4r7c5r8c4|8,r4c0r5c0|14,r1c2r1c3|21,r7c7r8c7r8c8|17,r5c3r6c3|10,r2c3r3c3|13,r0c0r0c1|10,r6c6r7c6|13,r4c2r4c3r5c2|10,r0c4r1c4|13,r5c5r6c5|20,r2c4r3c4r4c4|3,r0c2r0c3|5,r6c8r7c8|4,r5c4r6c4|9,r1c5r1c6|7,r5c7r6c7|15,r2c5r3c5|10,r0c5r0c6|10,r7c1r8c0r8c1|12,r4c5r4c6r5c6|11,r1c7r1c8r2c7|15,r6c0r7c0|13,r2c6r3c6r3c7r4c7|15,r0c7r0c8|9,r8c2r8c3|13,r4c8r5c8|12,r2c0r3c0|11,r6c2r7c2|10,r2c8r3c8|16,r1c0r1c1r2c1|9,r8c5r8c6|3,r5c1r6c1|20,r2c2r3c1r3c2r4c1", "solution": "581243796379561824462789351845376219193452678726918435617835942954627183238194567", "extra": "{\"grid_size\": 9, \"puzzle_number\": 630, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 632, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-27", "puzzle": "28,r5c6r5c7r6c5r6c6r6c7r7c5r7c6|27,r1c5r2c5r3c5r3c6|21,r5c1r5c2r5c3r6c3|17,r0c2r0c3|35,r6c8r7c7r7c8r8c6r8c7r8c8|4,r2c6r2c7|23,r4c4r4c5r4c6r5c4r5c5r6c4|26,r0c7r0c8r1c7r1c8r2c8r3c8|30,r7c0r7c1r8c0r8c1r8c2r8c3|10,r2c0r3c0|21,r4c0r5c0r6c0r6c1|11,r1c3r1c4r2c4|29,r2c3r3c2r3c3r3c4r4c3|8,r6c2r7c2|22,r0c4r0c5r0c6r1c6|8,r3c1r4c1r4c2|21,r7c3r7c4r8c4r8c5|35,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|29,r3c7r4c7r4c8r5c8", "solution": "138924765574316982296578314823769451615843297749251638357682149981437526462195873", "extra": "{\"grid_size\": 9, \"puzzle_number\": 632, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 635, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-28", "puzzle": "10,r6c5r7c5|27,r1c6r1c7r2c6r2c7r3c6|27,r8c5r8c6r8c7r8c8|23,r2c3r3c3r4c3r5c3r6c3|19,r0c0r0c1r0c2r1c0|26,r5c6r6c6r6c7r7c6r7c7|11,r1c8r2c8|11,r4c4r4c5|28,r0c3r0c4r1c3r1c4r2c4|7,r6c8r7c8|28,r2c0r2c1r3c0r3c1|33,r3c7r3c8r4c6r4c7r4c8r5c7r5c8|12,r0c5r0c6r0c7r0c8|13,r6c2r7c1r7c2|11,r3c4r3c5|28,r5c0r5c1r6c0r6c1|10,r1c1r1c2r2c2|15,r7c0r8c0r8c1r8c2|3,r4c0r4c1|11,r5c4r5c5|9,r1c5r2c5|24,r6c4r7c3r7c4r8c3r8c4|19,r3c2r4c2r5c2", "solution": "548792136236451879971638452487129365129365748653874921892547613765913284314286597", "extra": "{\"grid_size\": 9, \"puzzle_number\": 635, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 634, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-28", "puzzle": 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"8,r8c5r8c6r8c7|12,r4c4r5c4r6c4|11,r0c4r1c4|8,r7c0r7c1|12,r2c7r3c7r4c7|7,r0c5r0c6|22,r4c6r5c5r5c6r5c7|14,r1c6r1c7|17,r6c3r7c3|22,r2c8r3c8r4c8r5c8|13,r0c7r0c8r1c8|11,r6c0r6c1|19,r2c3r2c4r3c3|22,r7c6r7c7r7c8r8c8|4,r4c0r4c1|9,r0c0r1c0|24,r5c2r5c3r6c2r7c2r8c2r8c3|38,r1c5r2c5r2c6r3c4r3c5r3c6r4c5|17,r8c0r8c1|7,r4c2r4c3|26,r0c1r0c2r1c1r1c2|7,r6c5r6c6|9,r2c0r3c0|15,r7c4r7c5r8c4|10,r5c0r5c1|8,r0c3r1c3|13,r6c7r6c8|20,r2c1r2c2r3c1r3c2", "solution": "258763491794152863163498572829647315315289746647315289472931658531876924986524137", "extra": "{\"grid_size\": 9, \"puzzle_number\": 633, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 636, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-07-29", "puzzle": "18,r5c4r5c5r5c6|8,r1c1r2c1|11,r7c3r8c3|20,r4c0r4c1r4c2|35,r0c1r0c2r0c3r0c4r1c2r1c3|13,r4c7r5c7r5c8r6c7|25,r2c2r2c3r2c4r3c4|6,r7c4r8c4|9,r3c3r4c3|8,r0c0r1c0|15,r6c3r6c4|15,r2c5r2c6r2c7|13,r8c6r8c7|19,r3c5r4c4r4c5|16,r0c5r0c6r1c4r1c5|24,r6c0r6c1r7c0r8c0|3,r2c0r3c0|12,r6c8r7c8r8c8|15,r3c6r3c7r4c6|11,r0c7r1c6r1c7|32,r6c5r6c6r7c5r7c6r7c7r8c5|7,r3c1r3c2|27,r5c0r5c1r5c2r5c3r6c2|13,r0c8r1c8|12,r7c1r7c2r8c1r8c2|18,r2c8r3c8r4c8", "solution": "596831427374592186218467359125379648947628531683145972459786213761253894832914765", "extra": "{\"grid_size\": 9, \"puzzle_number\": 636, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 637, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-29", "puzzle": "21,r3c3r3c4r4c4r5c4r5c5|15,r1c5r1c6r2c6r3c6|9,r7c5r7c6|15,r2c8r3c7r3c8|19,r0c0r0c1r1c0r1c1|18,r4c7r4c8r5c8r6c8|19,r2c1r2c2r2c3r3c1r3c2|23,r7c0r8c0r8c1r8c2|17,r4c2r4c3|7,r0c2r0c3|10,r6c1r7c1|11,r1c4r2c4|10,r8c3r8c4|13,r4c5r4c6|10,r0c4r0c5|12,r6c4r7c4|8,r1c7r2c7|6,r8c5r8c6|12,r5c0r5c1r6c0|25,r0c6r0c7r0c8r1c8|25,r5c6r5c7r6c5r6c6r6c7|21,r2c0r3c0r4c0r4c1|23,r7c7r7c8r8c7r8c8|12,r5c3r6c3|17,r1c2r1c3|14,r5c2r6c2r7c2r7c3|13,r2c5r3c5", "solution": "546173829379852416821469375957314682138926754264587931413795268695238147782641593", "extra": "{\"grid_size\": 9, \"puzzle_number\": 637, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 638, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-29", "puzzle": "17,r5c0r5c1|8,r1c6r1c7|11,r6c1r7c1|14,r3c0r4c0r4c1|18,r0c0r0c1r1c0r1c1|7,r5c7r5c8|9,r0c8r1c8|9,r6c4r7c4|11,r4c2r4c3r5c2|17,r0c3r0c4r1c4|8,r6c2r6c3|9,r2c0r2c1r3c1|14,r8c0r8c1|31,r3c5r4c4r4c5r5c3r5c4r5c5|8,r0c6r0c7|14,r5c6r6c5r6c6|23,r2c2r2c3r3c2r3c3|25,r7c2r7c3r8c2r8c3r8c4|10,r4c6r4c7|21,r0c2r1c2r1c3|42,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|10,r2c4r2c5r3c4|7,r7c5r8c5|35,r2c7r2c8r3c7r3c8r4c8|9,r0c5r1c5|7,r6c0r7c0|11,r2c6r3c6", "solution": "419357628768492531325861497241936785573248916896715243687129354132574869954683172", "extra": "{\"grid_size\": 9, \"puzzle_number\": 638, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 641, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-30", "puzzle": 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"14,r5c2r6c2r6c3|14,r1c6r2c6r2c7|10,r7c0r8c0|9,r4c3r5c3|26,r0c2r0c3r0c4r0c5r0c6|12,r5c6r6c5r6c6|17,r2c3r3c2r3c3|9,r8c1r8c2|10,r4c5r5c5|22,r0c0r0c1r1c0r1c1r2c0|15,r6c7r6c8r7c7|17,r2c5r3c5r3c6|20,r8c3r8c4r8c5|16,r4c6r4c7r5c7|12,r1c3r1c4r1c5|6,r7c2r7c3|17,r2c4r3c4r4c4r5c4|9,r8c6r8c7|16,r3c7r3c8r4c8r5c8|29,r0c7r0c8r1c7r1c8r2c8|14,r6c4r7c4|19,r3c0r3c1r4c0r5c0|8,r7c8r8c8|21,r6c0r6c1r7c1|17,r1c2r2c1r2c2|10,r7c5r7c6|16,r4c1r4c2r5c1", "solution": "386495217527318694419672358632957841145826739978134562791583426854261973263749185", "extra": "{\"grid_size\": 9, \"puzzle_number\": 643, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 644, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-07-31", "puzzle": 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"11,r5c5r6c5|37,r1c6r1c7r2c6r2c7r3c6r3c7r3c8|11,r8c5r8c6|28,r4c5r4c6r4c7r4c8r5c7r5c8|18,r0c5r0c6r1c5|18,r5c6r6c6r7c6|5,r1c8r2c8|18,r7c7r8c7r8c8|15,r4c2r5c2|9,r0c7r0c8|12,r6c7r6c8r7c8|22,r2c0r3c0r3c1|22,r4c3r4c4r5c3r5c4|13,r0c0r1c0|27,r6c3r6c4r7c3r7c4r7c5r8c4|36,r0c4r1c4r2c3r2c4r3c2r3c3r3c4|25,r5c0r5c1r6c0r6c1r7c1|23,r0c1r0c2r1c1r1c2r2c1r2c2|10,r7c0r8c0|8,r2c5r3c5|11,r6c2r7c2|9,r0c3r1c3|14,r8c1r8c2r8c3|3,r4c0r4c1", "solution": "612389754745612983938547162583961247126874395479253816354798621867125439291436578", "extra": "{\"grid_size\": 9, \"puzzle_number\": 650, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 651, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-03", "puzzle": "20,r4c6r4c7r5c6r5c7|8,r1c6r2c6r2c7|11,r7c8r8c8|11,r3c0r4c0|9,r0c0r0c1|9,r5c8r6c8|23,r1c0r2c0r2c1r3c1|28,r6c0r7c0r8c0r8c1r8c2|8,r3c2r4c1r4c2|10,r0c2r0c3|14,r6c4r6c5r7c4|22,r1c3r1c4r2c3r2c4|11,r8c4r8c5|34,r3c3r3c4r3c5r4c4r4c5r5c5|9,r0c4r0c5|14,r6c6r6c7r7c7|5,r1c5r2c5|23,r7c5r7c6r8c6r8c7|11,r5c0r5c1|37,r0c6r0c7r0c8r1c7r1c8r2c8|10,r6c1r7c1r7c2|9,r3c6r3c7|27,r4c3r5c2r5c3r5c4r6c2r6c3|21,r1c1r1c2r2c2|12,r7c3r8c3|9,r3c8r4c8", "solution": "271954683548163279639782154792638541415297368386541927857316492923475816164829735", "extra": "{\"grid_size\": 9, \"puzzle_number\": 651, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 652, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-08-03", "puzzle": "6,r6c0r7c0|18,r2c5r3c5r4c5r5c5|33,r8c0r8c1r8c2r8c3r8c4r8c5|7,r4c2r5c2|34,r0c3r0c4r0c5r0c6r0c7r0c8|21,r3c3r4c3r5c3r6c3|4,r1c8r2c8|14,r3c6r4c6|20,r0c0r0c1r1c0r1c1|7,r6c5r6c6r7c5|15,r2c0r3c0|20,r3c7r3c8r4c7r4c8|6,r0c2r1c2|36,r6c1r6c2r7c1r7c2r7c3r7c4|9,r2c1r3c1r3c2|9,r5c6r5c7r6c7|35,r1c4r1c5r1c6r1c7r2c6r2c7|8,r7c6r8c6|23,r2c4r3c4r4c4r5c4r6c4|15,r5c8r6c8|21,r1c3r2c2r2c3|20,r7c7r7c8r8c7r8c8|24,r4c0r4c1r5c0r5c1", "solution": "371269845645738291829514673716943582283175964954826317167392458592481736438657129", "extra": "{\"grid_size\": 9, \"puzzle_number\": 652, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 653, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-08-03", "puzzle": 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"14,r5c7r5c8r6c8|9,r2c0r2c1|5,r7c4r8c4|21,r3c7r3c8r4c7r4c8|15,r0c1r0c2r1c1|23,r6c1r6c2r7c2r7c3|28,r1c2r2c2r2c3r3c2r3c3|15,r8c5r8c6|13,r4c2r4c3r5c2|31,r0c3r0c4r0c5r1c3r1c4r1c5|22,r6c6r6c7r7c5r7c6|24,r1c6r2c5r2c6r3c5r3c6|7,r7c7r8c7|15,r4c5r4c6r5c6|10,r0c6r0c7r1c7|5,r7c0r8c0|15,r2c7r2c8|7,r7c8r8c8|8,r5c0r5c1r6c0|14,r0c0r1c0|14,r7c1r8c1|13,r2c4r3c4r4c4|30,r5c3r5c4r5c5r6c3r6c4r6c5|9,r0c8r1c8|15,r8c2r8c3|23,r3c0r3c1r4c0r4c1", "solution": "962483175573691824814752369685924713721365498439178652146239587398517246257846931", "extra": "{\"grid_size\": 9, \"puzzle_number\": 656, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 657, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-08-05", "puzzle": "9,r8c5r8c6|14,r5c6r5c7|9,r1c5r1c6|18,r6c6r6c7r7c6|12,r2c5r3c5|10,r0c5r0c6|13,r5c0r6c0|5,r1c7r1c8|14,r7c7r7c8r8c7r8c8|14,r2c8r3c8r4c8|15,r0c7r0c8|6,r5c1r6c1|12,r1c4r2c3r2c4|14,r7c0r8c0|15,r3c2r4c1r4c2|13,r0c0r0c1r1c0|10,r6c5r7c5|29,r2c6r2c7r3c6r3c7r4c6r4c7|5,r7c1r8c1|7,r5c2r5c3|32,r0c2r1c1r1c2r2c0r2c1r2c2|13,r5c8r6c8|16,r3c0r3c1r4c0|24,r8c2r8c3r8c4|24,r4c4r4c5r5c4r5c5|15,r0c3r0c4r1c3|24,r6c2r6c3r6c4r7c2r7c3r7c4|13,r3c3r3c4r4c3", "solution": "248153796765948123193627854386415279572896431914372685457231968821569347639784512", "extra": "{\"grid_size\": 9, \"puzzle_number\": 657, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 658, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-08-05", "puzzle": "27,r5c5r5c6r6c5r6c6|10,r2c6r2c7|10,r8c3r8c4r8c5|40,r3c2r4c0r4c1r4c2r4c3r5c0r5c1|22,r0c0r0c1r1c0r1c1r2c0|27,r6c7r6c8r7c7r8c6r8c7|13,r3c0r3c1|11,r7c8r8c8|35,r3c6r4c5r4c6r4c7r4c8r5c7r5c8|31,r0c2r0c3r0c4r0c5r0c6|7,r7c2r7c3|8,r2c3r3c3|4,r4c4r5c4|26,r0c7r0c8r1c7r1c8r2c8|13,r6c4r7c4|12,r2c4r3c4|24,r6c0r6c1r7c1r8c1r8c2|20,r1c2r1c3r1c4r1c5r1c6|7,r7c5r7c6|10,r2c5r3c5|21,r5c2r5c3r6c2r6c3|14,r2c1r2c2|10,r7c0r8c0|3,r3c7r3c8", "solution": "426189735173465289895273461948657312637912854251834976519348627782596143364721598", "extra": "{\"grid_size\": 9, \"puzzle_number\": 658, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 660, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-06", "puzzle": "27,r6c8r7c7r7c8r8c8|7,r3c5r4c5|13,r0c6r1c6|4,r5c4r6c4|14,r3c2r3c3|8,r0c1r0c2|9,r7c1r8c1|11,r4c6r4c7|10,r0c7r1c7|13,r5c5r5c6r6c5|19,r2c6r2c7r2c8r3c6|9,r0c4r0c5|14,r7c2r7c3r8c2|14,r5c0r5c1r6c1|10,r0c8r1c8|7,r6c6r6c7|4,r3c7r3c8|13,r0c0r1c0|12,r7c4r8c3r8c4|19,r4c8r5c7r5c8|29,r2c0r2c1r3c0r3c1r4c0r4c1|14,r6c0r7c0r8c0|12,r4c2r4c3|13,r1c1r1c2r2c2|14,r5c2r6c2|13,r1c4r2c4|28,r7c5r7c6r8c5r8c6r8c7|12,r3c4r4c4|12,r0c3r1c3r2c3|10,r5c3r6c3|11,r1c5r2c5", "solution": "462381597957246813381795642298654731614873925735912468849137256176529384523468179", "extra": "{\"grid_size\": 9, \"puzzle_number\": 660, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 659, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-08-05", "puzzle": 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"3,r7c5r7c6|14,r4c4r4c5r4c6|17,r0c7r1c7|14,r5c3r5c4r6c3r7c3|13,r2c2r3c2|13,r0c2r0c3|9,r7c7r8c7|6,r4c7r4c8|24,r0c8r1c8r2c8r3c8|13,r6c4r7c4|10,r3c5r3c6|13,r0c4r0c5r0c6|19,r5c8r6c8r7c8r8c8|10,r5c2r6c2|12,r2c0r2c1|11,r6c5r6c6|3,r2c7r3c7|9,r0c0r1c0|10,r8c2r8c3|8,r5c5r5c6|17,r1c3r2c3r3c3r3c4|15,r7c0r8c0|22,r3c0r3c1r4c0r5c0r5c1|10,r0c1r1c1r1c2|20,r8c4r8c5r8c6|12,r5c7r6c7|8,r1c4r2c4|12,r7c1r7c2r8c1|18,r4c1r4c2r4c3|15,r1c5r1c6|15,r6c0r6c1|10,r2c5r2c6", "solution": "526748193417239685398156427245687319763915842189423576871362954934571268652894731", "extra": "{\"grid_size\": 9, \"puzzle_number\": 663, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 664, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-07", "puzzle": "16,r5c4r5c5r5c6|16,r0c5r1c5r2c5|11,r6c6r7c6r7c7|35,r3c1r4c0r4c1r5c0r5c1r6c0|20,r0c0r0c1r1c0|3,r5c7r6c7|25,r1c6r1c7r2c6r2c7|22,r7c8r8c7r8c8|16,r3c2r4c2|8,r0c2r0c3|11,r5c8r6c8|16,r1c1r2c1r2c2|8,r8c5r8c6|17,r3c4r3c5r4c4r4c5|20,r0c6r0c7r0c8r1c8r2c8|12,r6c4r6c5|12,r2c3r3c3r4c3|17,r4c6r4c7r4c8|10,r1c2r1c3|23,r6c1r7c0r7c1r7c2r8c0r8c1|3,r2c0r3c0|21,r5c2r5c3r6c2r6c3|17,r0c4r1c4r2c4|30,r7c3r7c4r7c5r8c2r8c3r8c4|16,r3c6r3c7r3c8", "solution": "786243951531968742294175863149726538357481296862539417918657324623894175475312689", "extra": "{\"grid_size\": 9, \"puzzle_number\": 664, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 665, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-08-07", "puzzle": "8,r5c2r6c2|5,r1c7r1c8|16,r8c3r8c4r8c5r8c6|25,r3c6r3c7r4c6r4c7r5c7|37,r0c0r0c1r1c0r1c1r1c2r2c1|30,r6c3r6c4r7c3r7c4r7c5|14,r2c2r2c3r3c2|25,r7c7r7c8r8c7r8c8|15,r4c0r4c1r4c2|10,r0c2r0c3r1c3|9,r6c6r6c7r7c6|9,r2c5r2c6|31,r4c4r4c5r5c4r5c5r5c6r6c5|11,r0c7r0c8|10,r7c0r8c0|14,r2c7r2c8|17,r3c8r4c8r5c8r6c8|16,r0c4r1c4r2c4|11,r7c1r8c1|11,r2c0r3c0r3c1|19,r5c0r5c1r6c0r6c1|21,r0c5r0c6r1c5r1c6|14,r7c2r8c2|27,r3c3r3c4r3c5r4c3r5c3", "solution": "845316792679285314132974586283169475564738921917452638451897263728643159396521847", "extra": "{\"grid_size\": 9, \"puzzle_number\": 665, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 666, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-08-08", "puzzle": 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"23,r6c0r6c1r6c2r7c2|9,r3c4r4c4r5c4|21,r1c6r2c6r2c7r2c8|8,r5c5r5c6|13,r3c5r3c6|30,r0c0r0c1r1c0r1c1r2c0|5,r7c5r8c5|10,r4c5r4c6|15,r0c8r1c8|12,r6c3r7c3|14,r3c7r3c8|10,r0c4r0c5|17,r7c6r8c6|12,r4c7r5c7|8,r2c1r2c2|19,r6c4r6c5r7c4|6,r3c0r4c0|9,r0c6r0c7r1c7|12,r7c1r8c1r8c2|3,r4c8r5c8|19,r1c4r2c3r2c4|8,r6c6r6c7|17,r3c1r4c1|7,r0c2r1c2|9,r8c3r8c4|7,r5c0r5c1|13,r1c5r2c5|10,r7c0r8c0|14,r4c2r4c3|3,r0c3r1c3|20,r6c8r7c7r7c8r8c7r8c8|16,r5c2r5c3|6,r3c2r3c3", "solution": "954173268863295417271648539182436795596817342437952681648529173315784926729361854", "extra": "{\"grid_size\": 9, \"puzzle_number\": 669, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 670, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-09", "puzzle": "32,r5c5r5c6r6c5r6c6r6c7r7c6r7c7|22,r0c5r0c6r1c5r1c6r2c5|14,r7c1r8c1r8c2|15,r3c4r4c3r4c4|9,r0c3r0c4|18,r4c6r4c7r5c7|10,r2c3r3c2r3c3|7,r8c3r8c4|11,r3c5r4c5|4,r0c7r0c8|5,r6c2r6c3|10,r2c6r3c6|31,r5c8r6c8r7c8r8c5r8c6r8c7r8c8|15,r3c8r4c8|45,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1r2c2|14,r7c2r7c3|10,r2c7r3c7|34,r5c0r5c1r5c2r6c0r6c1|18,r1c3r1c4r2c4|20,r6c4r7c4r7c5|12,r3c0r4c0|7,r5c3r5c4|23,r1c7r1c8r2c8|11,r7c0r8c0|8,r3c1r4c1r4c2", "solution": "694728513357941286128356479742519638531682947869437152473295861916874325285163794", "extra": "{\"grid_size\": 9, \"puzzle_number\": 670, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 668, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-08-08", "puzzle": "14,r5c4r5c5r5c6|18,r2c1r2c2r2c3|4,r7c1r7c2|22,r4c0r5c0r6c0r7c0r8c0|12,r0c0r0c1r0c2r0c3|3,r5c8r6c8|8,r1c4r2c4|13,r7c5r7c6|15,r3c1r4c1r4c2|25,r0c4r0c5r0c6r0c7|18,r5c1r6c1r6c2|16,r1c5r2c5r3c5r3c6|13,r7c7r7c8|12,r4c3r4c4r4c5|17,r1c0r1c1|21,r5c2r5c3r6c3r7c3|13,r2c6r2c7r3c7|17,r8c1r8c2r8c3r8c4|21,r4c6r4c7r5c7|11,r1c2r1c3|17,r6c4r7c4|9,r2c0r3c0|22,r8c5r8c6r8c7r8c8|5,r1c6r1c7|32,r0c8r1c8r2c8r3c8r4c8|14,r6c5r6c6r6c7|13,r3c2r3c3r3c4", "solution": "524179638986523417137864529841932765265741983379658142792486351413295876658317294", "extra": "{\"grid_size\": 9, \"puzzle_number\": 668, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 671, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-08-09", "puzzle": "16,r6c5r6c6r6c7r7c5|22,r1c5r2c5r2c6r3c6|9,r8c7r8c8|11,r3c7r4c7|16,r0c4r0c5r0c6r1c4|32,r5c1r6c1r6c2r7c1r7c2r8c2|14,r2c0r3c0|39,r0c7r0c8r1c8r2c8r3c8r4c8r5c8|25,r0c0r0c1r1c0r1c1|27,r6c3r7c3r7c4r8c3r8c4|15,r3c1r3c2|24,r4c4r5c4r5c5r6c4|25,r0c2r0c3r1c2r1c3r2c1r2c2|8,r6c8r7c8|10,r4c0r4c1r5c0|9,r4c6r5c6r5c7|13,r1c6r1c7r2c7|8,r8c0r8c1|33,r3c3r3c4r4c2r4c3r5c2r5c3|6,r6c0r7c0|12,r2c3r2c4|26,r7c6r7c7r8c5r8c6|5,r3c5r4c5", "solution": "741928563953416278862573941687251439529634187314789625295847316438165792176392854", "extra": "{\"grid_size\": 9, \"puzzle_number\": 671, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 673, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-08-10", "puzzle": "12,r4c2r5c2|18,r1c3r2c3r2c4|23,r6c0r7c0r7c1r8c0|5,r2c7r3c7|30,r0c0r0c1r1c0r1c1r1c2r2c1|20,r5c3r5c4r6c3|10,r1c6r2c6|4,r7c3r7c4|14,r4c0r4c1r5c0|12,r0c2r0c3r0c4|3,r5c6r6c6|18,r2c0r3c0r3c1|9,r8c1r8c2r8c3|26,r3c3r4c3r4c4r4c5r5c5|18,r0c5r0c6r0c7|10,r5c7r5c8r6c8|9,r2c2r3c2|21,r8c4r8c5r8c6|24,r3c8r4c7r4c8|9,r1c4r1c5|10,r6c2r7c2|7,r2c5r3c4r3c5|33,r6c7r7c6r7c7r7c8r8c7r8c8|13,r5c1r6c1|23,r0c8r1c7r1c8r2c8|15,r6c4r6c5r7c5|9,r3c6r4c6", "solution": "653278914129436758478591326861924537235167489947853261596782143784315692312649875", "extra": "{\"grid_size\": 9, \"puzzle_number\": 673, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 672, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-10", "puzzle": 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"23,r5c8r6c8r7c8r8c8|17,r3c7r4c7r4c8r5c7|24,r0c4r0c5r1c4r1c5|24,r5c6r6c6r7c6|4,r3c1r3c2|10,r0c0r0c1|12,r8c0r8c1|5,r5c0r6c0|14,r0c8r1c8r2c8r3c8|9,r6c7r7c7|12,r2c3r3c3|9,r0c2r0c3|11,r8c2r8c3|13,r5c1r5c2|11,r2c4r2c5|21,r6c1r7c0r7c1|13,r4c0r4c1|10,r0c6r0c7|5,r8c6r8c7|8,r5c3r6c3|14,r1c6r2c6r3c6|14,r6c2r7c2r7c3|12,r4c2r4c3|11,r1c0r1c1r2c1|26,r3c4r3c5r4c4r5c4r5c5|15,r1c7r2c7|17,r7c4r7c5r8c4r8c5|6,r4c5r4c6|13,r1c2r1c3r2c2|10,r6c4r6c5|12,r2c0r3c0", "solution": "194536287625178394837429561413897652769352418258641739381264975946715823572983146", "extra": "{\"grid_size\": 9, \"puzzle_number\": 675, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 676, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-11", "puzzle": "6,r5c5r6c5|27,r0c6r0c7r1c6r1c7r2c6|10,r7c3r8c3|13,r2c7r3c6r3c7|22,r0c1r0c2r0c3r0c4|16,r5c6r6c6|15,r0c8r1c8r2c8|10,r7c4r7c5|25,r3c1r4c0r4c1r4c2r5c0|6,r0c0r1c0|13,r5c8r6c8|9,r2c4r2c5|11,r6c7r7c6r7c7|22,r3c8r4c6r4c7r4c8r5c7|16,r1c1r1c2r2c1|7,r6c3r6c4|11,r2c0r3c0|9,r7c8r8c8|18,r5c1r5c2r6c1|13,r1c3r1c4|14,r6c0r7c0r8c0|11,r2c2r3c2|23,r8c4r8c5r8c6r8c7|34,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|11,r0c5r1c5|23,r6c2r7c1r7c2r8c1r8c2|10,r2c3r3c3", "solution": "129385674537496812468127539743961285652748193891532746385614927916273458274859361", "extra": "{\"grid_size\": 9, \"puzzle_number\": 676, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 677, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-08-11", "puzzle": "22,r5c3r6c3r7c3r7c4r8c3|21,r1c5r2c4r2c5r2c6|17,r3c4r4c3r4c4|23,r0c2r0c3r0c4r0c5|30,r4c6r5c6r6c4r6c5r6c6|15,r1c8r2c8|18,r4c5r5c4r5c5|11,r0c7r0c8|12,r7c7r7c8r8c7r8c8|18,r2c0r3c0r4c0r5c0|19,r4c2r5c1r5c2r6c2|35,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|7,r7c0r8c0|14,r2c3r3c2r3c3|19,r4c8r5c7r5c8r6c7r6c8|4,r1c3r1c4|12,r8c1r8c2|25,r3c5r3c6r3c7r3c8r4c7|24,r6c0r6c1r7c1r7c2|16,r0c6r1c6r1c7r2c7|30,r7c5r7c6r8c4r8c5r8c6|13,r3c1r4c1", "solution": "734928165589316247621475398263751489175849632948263571812637954496582713357194826", "extra": "{\"grid_size\": 9, \"puzzle_number\": 677, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 679, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-12", "puzzle": "21,r6c0r7c0r8c0r8c1r8c2|13,r4c8r5c8|9,r0c5r1c5|23,r6c1r7c1r7c2|7,r3c7r3c8|16,r0c0r0c1|17,r8c7r8c8|11,r5c0r5c1|17,r1c6r1c7r2c7|5,r7c3r8c3|13,r3c0r4c0|21,r0c6r0c7r0c8r1c8r2c8|17,r5c2r5c3r5c4r5c5|11,r2c1r2c2r3c1|19,r7c4r7c5r8c4r8c5|18,r3c2r4c1r4c2|11,r1c0r1c1r2c0|9,r6c2r6c3|10,r2c3r2c4|3,r7c6r8c6|11,r4c3r4c4r4c5|8,r0c2r1c2|13,r6c4r6c5|12,r2c5r2c6|15,r6c8r7c7r7c8|16,r4c6r4c7r5c6|21,r0c3r0c4r1c3r1c4|11,r5c7r6c6r6c7|27,r3c3r3c4r3c5r3c6", "solution": "973682541125437698846915723614793852759128436382564917261849375598371264437256189", "extra": "{\"grid_size\": 9, \"puzzle_number\": 679, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 678, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-12", "puzzle": 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"8,r6c4r7c4|19,r3c0r4c0r5c0r6c0|10,r0c4r1c4|8,r5c5r5c6|9,r1c6r2c6|13,r0c0r0c1|9,r7c0r8c0|26,r3c1r4c1r4c2r4c3|7,r1c7r1c8|19,r5c1r6c1r7c1r7c2r7c3|11,r2c7r2c8|7,r0c2r0c3|12,r8c1r8c2|5,r4c4r5c4|11,r2c0r2c1|10,r6c2r6c3|8,r3c2r3c3|12,r0c5r0c6|20,r8c3r8c4r8c5|18,r3c7r4c5r4c6r4c7|4,r1c2r2c2|12,r6c5r6c6|17,r2c4r3c4|9,r0c7r0c8|8,r8c6r8c7|30,r3c8r4c8r5c8r6c8|8,r1c3r2c3|25,r5c7r6c7r7c5r7c6r7c7|6,r3c5r3c6|12,r1c0r1c1|5,r7c8r8c8|13,r5c2r5c3|14,r1c5r2c5", "solution": "765243981841769325293185674472691538156834297938527146527318469619472853384956712", "extra": "{\"grid_size\": 9, \"puzzle_number\": 681, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 680, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-08-12", "puzzle": 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"18,r6c2r6c3r7c3|16,r0c8r1c8r2c8r3c8|6,r8c3r8c4|15,r4c1r4c2r4c3|9,r0c3r0c4|26,r5c4r6c4r6c5r6c6r7c4|17,r1c3r2c2r2c3|9,r8c6r8c7|19,r3c5r4c4r4c5r5c5|9,r0c6r0c7|14,r5c1r6c1r7c0r7c1|23,r1c4r2c4r2c5r2c6r3c4|19,r4c6r4c7r4c8|23,r1c0r1c1r2c1r3c1|30,r7c2r8c0r8c1r8c2|27,r2c0r3c0r4c0r5c0r6c0|4,r5c2r5c3|20,r0c0r0c1r0c2r1c2|26,r7c5r7c6r7c7r8c5|6,r3c2r3c3|7,r5c6r5c7r6c7|26,r0c5r1c5r1c6r1c7|23,r5c8r6c8r7c8r8c8|13,r2c7r3c6r3c7", "solution": "618549273295837641473612895854296137329471586761385429542963718136728954987154362", "extra": "{\"grid_size\": 9, \"puzzle_number\": 683, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 684, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-08-14", "puzzle": 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"10,r4c8r5c8|36,r0c0r0c1r0c2r1c0r1c1r2c0r3c0|16,r7c8r8c6r8c7r8c8|14,r3c6r4c6|21,r0c3r0c4r0c5r1c4|23,r2c4r3c4r4c4r5c4r6c4|39,r0c6r0c7r0c8r1c7r1c8r2c8r3c8|8,r3c7r4c7r5c7|11,r1c2r1c3|30,r6c0r6c1r6c2r6c3r7c1r7c2|13,r3c1r4c1r5c1|6,r4c0r5c0|5,r1c5r1c6|31,r6c5r6c6r6c7r6c8r7c6r7c7|10,r3c2r4c2|16,r5c2r5c3|18,r2c1r2c2r2c3|18,r7c0r8c0r8c1r8c2|5,r3c3r4c3|9,r5c5r5c6|15,r2c5r2c6r2c7|36,r7c3r7c4r7c5r8c3r8c4r8c5|15,r3c5r4c5", "solution": "851293764926574138473861592742136859538429617169785423617342985285917346394658271", "extra": "{\"grid_size\": 9, \"puzzle_number\": 686, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 688, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-15", "puzzle": "19,r4c2r5c1r5c2|3,r0c7r1c7|9,r5c8r6c8|29,r3c2r3c3r3c4r3c5r3c6|29,r0c2r0c3r0c4r0c5r0c6|9,r4c6r5c6r5c7|13,r0c8r1c8|31,r7c0r7c1r7c2r8c0r8c1|11,r3c7r3c8|10,r0c0r1c0|15,r5c0r6c0|14,r2c0r2c1r2c2|20,r7c3r7c4r7c5|7,r4c0r4c1|10,r0c1r1c1|12,r5c3r6c1r6c2r6c3|7,r1c4r2c4|20,r7c6r7c7r7c8r8c7r8c8|23,r4c3r4c4r4c5|19,r1c2r1c3r2c3|3,r5c4r6c4|20,r2c6r2c7r2c8|19,r8c2r8c3r8c4r8c5r8c6|11,r4c7r4c8|10,r1c5r1c6r2c5|27,r5c5r6c5r6c6r6c7|5,r3c0r3c1", "solution": "432975618679841325518236479146753892253689147897124536724518963365497281981362754", "extra": "{\"grid_size\": 9, \"puzzle_number\": 688, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 687, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-15", "puzzle": "24,r7c7r7c8r8c7r8c8|7,r3c8r4c8|10,r0c8r1c8|17,r6c4r6c5r7c5|15,r2c5r3c5|12,r0c2r0c3|9,r8c0r8c1|15,r5c0r5c1r6c1|31,r1c1r1c2r1c3r2c1r2c2r3c1|10,r6c6r6c7r7c6|10,r2c6r3c6|16,r0c6r0c7r1c7|9,r7c2r8c2|15,r5c2r5c3|13,r2c3r2c4|17,r5c8r6c8|9,r4c0r4c1|19,r0c0r0c1r1c0|10,r8c3r8c4|8,r4c5r5c4r5c5|3,r2c7r2c8|19,r6c0r7c0r7c1|22,r3c3r3c4r4c3r4c4|6,r0c4r1c4|9,r8c5r8c6|13,r4c6r5c6r5c7|10,r2c0r3c0|8,r7c3r7c4|16,r3c7r4c7|11,r0c5r1c5r1c6|5,r6c2r6c3|7,r3c2r4c2", "solution": "925741836816923754437586921654839172183472695279615348762358419391264587548197263", "extra": "{\"grid_size\": 9, \"puzzle_number\": 687, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 689, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-08-15", "puzzle": "4,r5c3r6c3|12,r1c6r1c7|13,r7c3r8c3|18,r3c1r4c1r5c0r5c1|6,r0c6r0c7|11,r5c5r5c6|18,r2c1r2c2r2c3|16,r7c6r8c6|8,r4c2r5c2|25,r0c0r1c0r2c0r3c0r4c0|28,r6c0r6c1r6c2r7c0r8c0|29,r0c3r0c4r1c3r1c4r2c4r3c4|10,r7c7r8c7|12,r4c3r4c4r4c5|13,r0c1r1c1|33,r5c4r6c4r7c4r7c5r8c4r8c5|27,r0c8r1c8r2c6r2c7r2c8|28,r4c8r5c8r6c8r7c8r8c8|10,r3c6r4c6|11,r0c2r1c2|11,r6c5r6c6r6c7|13,r3c2r3c3|6,r8c1r8c2|13,r3c7r3c8r4c7r5c7|8,r0c5r1c5|11,r7c1r7c2|11,r2c5r3c5", "solution": "489237516752641398163958472846793251591426837237185649928374165674512983315869724", "extra": "{\"grid_size\": 9, \"puzzle_number\": 689, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 691, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-16", "puzzle": "11,r8c7r8c8|30,r5c2r5c3r6c1r6c2r6c3r7c2|23,r1c4r1c5r1c6r2c4|10,r7c3r8c3|3,r3c0r4c0|12,r0c4r0c5r0c6|15,r5c4r6c4|22,r0c7r0c8r1c7r1c8|10,r7c4r7c5|14,r3c1r4c1|10,r0c0r1c0|13,r5c6r5c7r5c8|9,r2c0r2c1|17,r7c6r8c6|9,r4c2r4c3|7,r0c1r1c1|9,r5c5r6c5r6c6|20,r2c2r3c2r3c3|4,r7c7r7c8|35,r2c5r2c6r3c4r3c5r3c6r4c4r4c5|10,r0c2r1c2|8,r6c7r6c8|18,r2c7r3c7r4c6r4c7|7,r8c4r8c5|13,r5c0r5c1|12,r0c3r1c3r2c3|33,r6c0r7c0r7c1r8c0r8c1r8c2|21,r2c8r3c8r4c8", "solution": "756319248324568791819427635263894157187235469945671382491783526572946813638152974", "extra": "{\"grid_size\": 9, \"puzzle_number\": 691, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 690, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-16", "puzzle": "5,r7c2r7c3|12,r3c4r4c4r5c4|10,r1c1r2c1|25,r8c5r8c6r8c7r8c8|17,r5c3r6c3|13,r3c1r3c2|11,r0c1r0c2|12,r6c4r7c4r8c4|5,r3c5r4c5|11,r1c2r2c2|10,r5c5r6c5|10,r3c6r3c7|12,r0c6r0c7|9,r7c5r7c6|16,r4c6r4c7r4c8|14,r2c3r2c4r2c5|12,r5c6r6c6|9,r2c8r3c8|8,r0c0r1c0|9,r6c7r7c7|3,r5c0r5c1|12,r1c6r2c6|11,r6c0r7c0|16,r4c0r4c1r4c2|31,r0c3r0c4r0c5r1c3r1c4r1c5|13,r6c8r7c8|9,r5c7r5c8|12,r1c7r2c7|12,r6c1r7c1|11,r3c3r4c3|3,r0c8r1c8|15,r8c0r8c1r8c2r8c3|15,r5c2r6c2|12,r2c0r3c0", "solution": "647185392293746851518293476785624913934571628126938745379812564851467239462359187", "extra": "{\"grid_size\": 9, \"puzzle_number\": 690, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 693, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-17", "puzzle": 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"15,r6c0r6c1|16,r1c3r2c3r3c3|24,r5c7r6c7r7c7r8c7|25,r3c2r4c1r4c2r5c1r5c2|11,r0c3r0c4|11,r6c2r6c3|21,r1c4r1c5r2c4|10,r8c2r8c3|10,r4c3r4c4r4c5|7,r0c5r0c6|13,r6c4r7c3r7c4|13,r2c5r2c6|15,r8c4r8c5|29,r3c6r3c7r4c6r4c7r5c6|21,r0c1r1c1r2c1r3c1|18,r5c5r6c5r7c5|6,r2c7r2c8|25,r3c8r4c8r5c8r6c8r7c8r8c8|11,r0c2r1c2r2c2|15,r7c0r7c1r7c2r8c0r8c1|5,r3c4r3c5|15,r5c3r5c4|24,r0c7r0c8r1c6r1c7r1c8|12,r6c6r7c6r8c6|33,r0c0r1c0r2c0r3c0r4c0r5c0", "solution": "854921637931576248276384915469832571782145369315697824697453182523718496148269753", "extra": "{\"grid_size\": 9, \"puzzle_number\": 698, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 699, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-08-19", "puzzle": 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"7,r8c5r8c6|11,r5c0r6c0r6c1|19,r0c7r0c8r1c6r1c7|9,r7c0r8c0|23,r3c1r3c2r3c3r3c4r3c5|12,r0c2r0c3r0c4|20,r5c1r5c2r5c3r5c4r5c5|6,r1c3r2c3|13,r7c1r8c1|36,r3c6r3c7r4c7r4c8r5c6r5c7|11,r0c5r0c6|9,r6c3r7c3|12,r1c4r2c4|13,r6c2r7c2|16,r4c0r4c1|9,r0c0r1c0|16,r6c4r7c4|14,r1c5r2c5r2c6|21,r7c6r7c7r8c7r8c8|10,r4c2r4c3|14,r0c1r1c1|9,r6c5r6c6r7c5|20,r1c8r2c7r2c8r3c8|20,r8c2r8c3r8c4|13,r4c4r4c5r4c6|11,r1c2r2c2|19,r5c8r6c7r6c8r7c8|12,r2c0r2c1r3c0", "solution": "581927436462583197739146528214765983976438215853219764128674359645392871397851642", "extra": "{\"grid_size\": 9, \"puzzle_number\": 700, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 701, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-08-19", "puzzle": "24,r7c0r7c1r8c0r8c1|15,r2c1r2c2r3c2|11,r8c2r8c3|19,r3c7r4c7r4c8|26,r0c0r0c1r0c2r1c1r1c2|10,r6c1r6c2r7c2|3,r3c0r3c1|9,r8c6r8c7|15,r4c2r5c1r5c2|34,r0c5r0c6r0c7r0c8r1c8r2c8r3c8|19,r6c3r6c4r7c3|18,r0c3r1c3r2c3r2c4r3c3|19,r4c6r5c5r5c6r5c7r5c8|22,r0c4r1c4r1c5|10,r7c4r8c4|26,r2c5r3c4r3c5r3c6r4c5|14,r5c0r6c0|24,r1c6r1c7r2c6r2c7|10,r7c5r8c5|14,r4c0r4c1|8,r6c5r6c6r7c6|8,r1c0r2c0|29,r6c7r6c8r7c7r7c8r8c8|18,r4c3r4c4r5c3r5c4", "solution": "438295617129467853765813924214359768683172549957648132572931486841726395396584271", "extra": "{\"grid_size\": 9, \"puzzle_number\": 701, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 703, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-20", "puzzle": "18,r5c5r5c6r6c6|7,r1c0r2c0|10,r7c8r8c8|8,r3c7r3c8|11,r0c0r0c1|11,r4c8r5c8r6c8|15,r1c1r2c1|34,r6c1r6c2r7c0r7c1r7c2r8c0r8c1|20,r3c2r4c1r4c2|15,r0c2r0c3r0c4|6,r6c3r7c3|16,r2c2r2c3r3c3|3,r8c6r8c7|17,r4c7r5c7r6c7|30,r0c6r0c7r0c8r1c8r2c8|10,r6c4r6c5r7c4|40,r2c4r2c5r2c6r3c4r3c5r3c6r4c5r4c6|5,r5c1r5c2|7,r1c2r1c3r1c4|32,r7c5r8c2r8c3r8c4r8c5|14,r1c6r1c7r2c7|18,r4c3r4c4r5c3r5c4|13,r0c5r1c5|17,r7c6r7c7|28,r3c0r3c1r4c0r5c0r6c0", "solution": "381956742594127368267384159148672935975843621632519487829461573716235894453798216", "extra": "{\"grid_size\": 9, \"puzzle_number\": 703, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 702, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-20", "puzzle": "14,r7c3r8c2r8c3|36,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|14,r0c4r1c4|13,r6c2r7c2|22,r2c0r3c0r4c0|11,r0c1r0c2|11,r7c4r8c4|24,r5c0r5c1r5c2r5c3r6c3|10,r0c5r1c5|7,r6c6r7c6|3,r3c1r3c2|9,r0c6r0c7|18,r7c5r8c5r8c6|25,r5c5r5c6r5c7r5c8r6c5|15,r1c6r1c7r2c7|14,r6c7r7c7|4,r2c4r3c4|4,r0c0r1c0|5,r8c7r8c8|10,r5c4r6c4|11,r0c8r1c8|10,r6c8r7c8|13,r3c6r3c7|15,r1c1r1c2r2c1|13,r6c0r7c0|14,r2c2r2c3r3c3|7,r8c0r8c1|18,r2c8r3c8r4c8|15,r0c3r1c3|9,r6c1r7c1|11,r2c5r2c6r3c5", "solution": "365794812142856739897312456921435678578169324436287195614923587789541263253678941", "extra": "{\"grid_size\": 9, \"puzzle_number\": 702, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 706, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-08-21", "puzzle": 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"9,r8c4r8c5|15,r5c2r5c3r6c2|27,r0c7r0c8r1c7r2c7r3c7|11,r7c3r7c4r8c3|10,r3c5r3c6|6,r0c1r0c2|14,r8c6r8c7r8c8|8,r5c5r5c6|8,r2c2r2c3|13,r7c5r7c6r7c7|12,r4c0r5c0|21,r0c0r1c0r1c1|6,r5c1r6c0r6c1|16,r2c4r2c5|14,r6c7r6c8r7c8|13,r4c1r4c2|6,r0c3r1c2r1c3|14,r6c3r6c4|11,r1c8r2c8r3c8|13,r8c0r8c1|16,r4c3r4c4r5c4|13,r0c4r0c5r1c4|15,r6c5r6c6|17,r2c0r2c1r3c0|13,r7c2r8c2|31,r4c5r4c6r4c7r4c8r5c7r5c8|24,r0c6r1c5r1c6r2c6|8,r7c0r7c1|21,r3c1r3c2r3c3r3c4", "solution": "524381976791246583683579421359618247867432195412795368236957814175824639948163752", "extra": "{\"grid_size\": 9, \"puzzle_number\": 709, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 708, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-22", "puzzle": "7,r8c1r8c2|16,r4c7r4c8|13,r1c5r1c6r1c7|5,r5c4r6c4|25,r3c3r3c4r4c3r4c4|17,r0c2r0c3r0c4|17,r7c3r8c3|11,r4c2r5c2|30,r1c1r1c2r2c1r2c2r2c3r3c2|29,r6c6r6c7r6c8r7c6r8c6|3,r3c5r3c6|7,r0c5r0c6|5,r7c4r8c4|34,r5c5r5c6r5c7r5c8r6c5r7c5r8c5|13,r2c4r2c5|13,r6c2r7c2|11,r3c7r3c8|11,r0c7r0c8|11,r5c0r6c0|4,r2c6r2c7|16,r7c7r7c8r8c7r8c8|6,r3c1r4c1|19,r0c0r0c1r1c0|16,r5c1r6c1r7c1|17,r1c8r2c8|11,r7c0r8c0|11,r4c5r4c6|7,r1c3r1c4|8,r5c3r6c3|12,r2c0r3c0r4c0", "solution": "281793456935164728674258319549671283123485697768329145497532861816947532352816974", "extra": "{\"grid_size\": 9, \"puzzle_number\": 708, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 710, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-08-22", "puzzle": "14,r5c5r5c6r6c6|9,r1c6r1c7|22,r7c3r7c4r8c2r8c3|17,r2c6r3c5r3c6|19,r0c0r0c1r1c1r2c1|5,r5c7r5c8|12,r1c0r2c0|9,r7c5r7c6|27,r4c0r4c1r4c2r4c3r5c0r5c1|18,r0c2r0c3r0c4|13,r6c0r6c1r7c0|14,r2c3r2c4r2c5|10,r8c0r8c1|9,r3c4r4c4r5c4|4,r0c7r0c8|12,r6c3r6c4r6c5|24,r1c8r2c7r2c8|14,r8c4r8c5r8c6|39,r3c7r3c8r4c5r4c6r4c7r4c8|4,r1c2r1c3|5,r6c8r7c8|11,r3c0r3c1|24,r6c7r7c7r8c7r8c8|20,r5c2r5c3r6c2|20,r0c5r0c6r1c4r1c5|12,r7c1r7c2|18,r2c2r3c2r3c3", "solution": "976845213823167459415293687387612945152439768694758132269381574548976321731524896", "extra": "{\"grid_size\": 9, \"puzzle_number\": 710, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 711, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-23", "puzzle": "9,r8c3r8c4|7,r4c0r5c0|14,r1c4r1c5r2c4r2c5|16,r6c6r6c7r7c6|3,r2c1r3c1|24,r0c0r0c1r1c0r1c1|29,r6c8r7c7r7c8r8c6r8c7r8c8|24,r4c1r4c2r5c1r5c2|19,r0c8r1c7r1c8|9,r6c0r7c0|16,r3c4r3c5|9,r0c2r0c3|3,r4c3r5c3|26,r2c2r2c3r3c2r3c3|19,r6c3r7c3r7c4|14,r3c6r3c7r4c7|11,r0c4r0c5|10,r5c6r5c7r5c8|11,r1c6r2c6|10,r7c1r8c0r8c1|38,r4c4r4c5r4c6r5c4r5c5r6c4|11,r0c6r0c7|14,r6c1r6c2|4,r2c7r2c8|12,r7c2r8c2|14,r3c8r4c8|7,r1c2r1c3|8,r6c5r7c5r8c5|14,r2c0r3c0", "solution": "931856472574312689628947513815479236462135798397268154286591347753684921149723865", "extra": "{\"grid_size\": 9, \"puzzle_number\": 711, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 712, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-23", "puzzle": "11,r5c5r5c6|21,r2c2r2c3r2c4r2c5|11,r7c3r7c4|6,r3c4r3c5|18,r0c1r0c2r0c3r1c1|13,r5c7r6c7|15,r1c6r2c6|11,r7c5r7c6|24,r4c0r4c1r4c2r5c0r5c1r5c2|31,r0c4r0c5r0c6r0c7r0c8r1c7|13,r5c8r6c8|11,r1c8r2c7r2c8|5,r7c8r8c8|16,r4c3r4c4r4c5|12,r0c0r1c0|11,r6c0r6c1r7c0|13,r2c0r3c0|35,r7c1r8c0r8c1r8c2r8c3r8c4|28,r3c6r3c7r3c8r4c6r4c7r4c8|13,r1c2r1c3|7,r6c2r7c2|9,r2c1r3c1|25,r7c7r8c5r8c6r8c7|17,r5c3r5c4|7,r1c4r1c5|15,r6c3r6c4r6c5r6c6|7,r3c2r3c3", "solution": "361748925947652831528913764876124359459367218213895647735281496192476583684539172", "extra": "{\"grid_size\": 9, \"puzzle_number\": 712, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 713, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-08-23", "puzzle": "12,r7c8r8c7r8c8|16,r5c0r5c1r6c0|11,r1c6r1c7r1c8|18,r7c2r7c3r7c4r8c4|15,r2c8r3c8|7,r0c3r0c4|7,r4c3r5c3|11,r2c4r2c5|26,r6c7r6c8r7c6r7c7r8c6|11,r3c0r4c0|10,r0c7r0c8|19,r5c5r5c6r6c5r6c6|16,r2c3r3c2r3c3|16,r7c0r8c0|13,r3c1r4c1|45,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1r2c2|15,r5c7r5c8|12,r3c4r3c5|13,r8c2r8c3|6,r4c2r5c2|14,r1c3r1c4|7,r6c2r6c3|9,r2c6r3c6|13,r7c5r8c5|21,r4c4r4c5r4c6r5c4r6c4|15,r0c5r0c6r1c5|10,r6c1r7c1r8c1|17,r2c7r3c7r4c7r4c8", "solution": "485612973637954812129783546361875429874329165592461387256138794913247658748596231", "extra": "{\"grid_size\": 9, \"puzzle_number\": 713, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 714, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-24", "puzzle": "6,r8c0r8c1|13,r4c4r4c5r5c4|11,r0c8r1c8|9,r5c3r6c3|15,r2c2r2c3r3c2|20,r0c4r0c5r0c6r0c7|16,r8c2r8c3|12,r3c7r4c7|10,r2c0r2c1|25,r4c6r5c5r5c6r6c4r6c5|16,r3c3r3c4r4c3|24,r0c0r0c1r1c0r1c1|18,r7c5r8c4r8c5|15,r4c0r5c0r6c0r7c0|4,r1c4r2c4|14,r7c1r7c2|12,r3c5r3c6|7,r0c2r1c2|30,r6c8r7c7r7c8r8c6r8c7r8c8|14,r4c8r5c7r5c8|7,r2c5r2c6|7,r7c3r7c4|11,r2c8r3c8|9,r0c3r1c3|5,r5c1r6c1|7,r1c7r2c7|15,r6c6r6c7r7c6|12,r4c1r4c2|15,r1c5r1c6|9,r5c2r6c2|17,r3c0r3c1", "solution": "851496327296537814734812569983165742675924183142378956517643298368259471429781635", "extra": "{\"grid_size\": 9, \"puzzle_number\": 714, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 717, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-08-25", "puzzle": "23,r6c7r6c8r7c6r7c7r8c7|28,r3c0r3c1r4c0r4c1r5c0r5c1|30,r0c7r1c6r1c7r2c7r2c8|18,r6c3r6c4r7c3|13,r3c4r3c5|13,r0c2r0c3|13,r7c8r8c8|11,r5c2r5c3|7,r0c8r1c8|12,r6c5r7c5|8,r3c7r3c8|13,r0c5r0c6|10,r8c2r8c3|5,r5c4r5c5|12,r1c2r2c1r2c2|18,r6c0r7c0r8c0|9,r4c2r4c3|9,r0c0r1c0r2c0|5,r8c5r8c6|25,r2c6r3c6r4c6r5c6r6c6|17,r1c3r2c3r2c4|14,r7c1r8c1|15,r4c4r4c5|15,r0c1r1c1|11,r5c7r5c8|8,r1c5r2c5|7,r7c4r8c4|7,r4c7r4c8|10,r0c4r1c4|10,r6c1r6c2r7c2|9,r3c2r3c3", "solution": "589416732172893645346275198768149253234587961915632874427368519651924387893751426", "extra": "{\"grid_size\": 9, \"puzzle_number\": 717, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 719, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-08-25", "puzzle": "15,r6c4r6c5r7c4|23,r1c1r1c2r2c1r2c2|16,r8c0r8c1r8c2|15,r3c3r3c4r4c3|22,r0c0r0c1r0c2r1c0r2c0|17,r5c7r6c6r6c7r7c5r7c6|13,r2c3r2c4|9,r8c5r8c6|13,r4c6r4c7r5c6|18,r0c3r0c4r1c3r1c4|8,r5c8r6c8|22,r3c0r3c1r4c0r4c1|12,r5c0r5c1r6c0|9,r0c5r0c6r1c5|19,r6c1r7c0r7c1|23,r2c5r2c6r3c5r3c6|19,r5c2r5c3r6c2r6c3|18,r0c7r1c6r1c7|22,r7c2r7c3r8c3r8c4|25,r2c7r3c7r3c8r4c8|23,r4c4r4c5r5c4r5c5|10,r0c8r1c8r2c8|25,r7c7r7c8r8c7r8c8|9,r3c2r4c2", "solution": "517963284689124735342857961961482573258376149473519826194738652825641397736295418", "extra": "{\"grid_size\": 9, \"puzzle_number\": 719, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 715, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-24", "puzzle": "19,r3c8r4c7r4c8r5c8|9,r0c8r1c8|19,r6c3r6c4r7c3|13,r2c1r3c1|34,r0c0r0c1r0c2r1c0r1c1r2c0|21,r5c5r5c6r6c5|16,r2c2r2c3r3c2|11,r8c0r8c1|8,r3c3r3c4r4c3|14,r0c3r0c4|11,r6c0r6c1|16,r0c5r1c4r1c5r2c4|14,r7c2r8c2|15,r3c6r3c7r4c6|9,r1c2r1c3|17,r5c2r5c3r6c2|9,r2c5r2c6r3c5|15,r7c4r8c3r8c4r8c5|18,r4c1r4c2r5c0r5c1|8,r0c6r1c6|30,r5c7r6c6r6c7r7c5r7c6r7c7|14,r2c7r2c8|25,r6c8r7c8r8c6r8c7r8c8|18,r4c4r4c5r5c4|10,r0c7r1c7|3,r7c0r7c1|9,r3c0r4c0", "solution": "957684231234591678861723459578432916492167583613859742386975124125346897749218365", "extra": "{\"grid_size\": 9, \"puzzle_number\": 715, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 716, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-08-24", "puzzle": 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"9,r8c4r8c5|6,r3c7r4c7|19,r1c2r1c3r1c4|18,r5c2r6c2r6c3r7c3|20,r2c4r3c4r4c4r5c4r6c4|14,r0c1r0c2r1c1|18,r7c7r8c6r8c7|21,r3c8r4c8r5c8|17,r1c5r2c5r2c6r3c6|11,r7c4r7c5r7c6|18,r3c0r4c0r5c0|13,r0c3r0c4|10,r5c5r6c5|15,r1c7r1c8r2c7r2c8|17,r6c8r7c8r8c8|10,r4c1r5c1|21,r0c5r0c6r1c6|12,r4c6r5c6r6c6|14,r2c1r3c1|16,r8c0r8c1|11,r4c3r5c3|8,r0c7r0c8|11,r5c7r6c7|15,r2c2r3c2r4c2|11,r7c2r8c2r8c3|15,r3c5r4c5|7,r0c0r1c0r2c0|17,r6c0r6c1r7c0r7c1|11,r2c3r3c3", "solution": "236854971457391862189627534862539417394716258715482396543168729628973145971245683", "extra": "{\"grid_size\": 9, \"puzzle_number\": 718, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 720, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-26", "puzzle": "13,r7c7r7c8|10,r3c8r4c8|18,r0c4r1c4r2c4|10,r6c7r6c8|9,r3c0r4c0|12,r0c0r0c1|18,r8c4r8c5r8c6|12,r5c0r5c1|25,r1c5r1c6r2c5r2c6r3c6|24,r6c0r7c0r8c0r8c1|3,r3c1r4c1|16,r0c2r0c3|8,r8c7r8c8|16,r4c2r5c2r5c3|12,r0c8r1c8r2c8|23,r7c1r7c2r8c2r8c3|12,r3c3r4c3|20,r0c5r0c6r0c7r1c7|21,r5c6r5c7r5c8r6c6|6,r2c0r2c1|12,r6c3r6c4r7c3r7c4|14,r3c4r4c4r5c4|13,r1c0r1c1|4,r6c1r6c2|17,r2c2r2c3r3c2|7,r7c5r7c6|16,r3c5r4c5r4c6r4c7|6,r1c2r1c3|15,r5c5r6c5|13,r2c7r3c7", "solution": "849731652762495381153862749516324897428976513397158264631547928985213476274689135", "extra": "{\"grid_size\": 9, \"puzzle_number\": 720, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 723, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-08-27", "puzzle": "11,r8c0r8c1|10,r4c6r5c5r5c6|6,r2c1r2c2r3c2|12,r5c7r6c7r6c8|9,r3c1r4c1|19,r0c0r0c1r0c2|12,r8c2r8c3|17,r4c8r5c8|10,r1c4r2c4|5,r7c0r7c1|14,r4c3r4c4r4c5|12,r0c6r0c7r0c8|15,r8c5r8c6|10,r5c1r6c0r6c1|18,r2c6r2c7r3c6|15,r7c2r7c3|9,r3c7r4c7|14,r1c0r1c1r1c2|5,r8c7r8c8|17,r6c2r6c3|17,r2c0r3c0|9,r7c5r7c6|13,r4c0r5c0|29,r0c3r0c4r0c5r1c3r1c5|18,r5c4r6c4r7c4r8c4|18,r2c3r2c5r3c3r3c4r3c5|15,r7c7r7c8|14,r4c2r5c2r5c3|13,r1c6r1c7r1c8|7,r6c5r6c6|12,r2c8r3c8", "solution": "496581732275639481831472965982156347713248659654793128148965273327814596569327814", "extra": "{\"grid_size\": 9, \"puzzle_number\": 723, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 722, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-08-26", "puzzle": "16,r3c6r4c6r5c6|39,r0c5r0c6r0c7r0c8r1c6r1c7r1c8|16,r6c2r7c2r7c3r8c2|16,r4c0r4c1r4c2|17,r0c3r0c4|21,r2c8r3c8r4c8r5c8r6c8|9,r2c5r2c6|10,r6c4r7c4r7c5|8,r4c4r4c5|5,r0c0r1c0|28,r2c3r3c3r4c3r5c3r6c3|15,r2c0r3c0|42,r7c6r7c7r7c8r8c5r8c6r8c7r8c8|11,r5c0r6c0|7,r0c1r1c1|10,r6c5r6c6|18,r2c1r3c1r3c2|9,r8c3r8c4|15,r5c1r5c2r6c1|17,r0c2r1c2r1c3r2c2|11,r7c0r8c0|12,r3c4r3c5|9,r5c4r5c5|14,r1c4r1c5r2c4|11,r7c1r8c1|19,r2c7r3c7r4c7r5c7r6c7", "solution": "153896742426157389897324561718439625349562178562781934675948213234615897981273456", "extra": "{\"grid_size\": 9, \"puzzle_number\": 722, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 721, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-26", "puzzle": "10,r7c6r8c6|23,r4c7r5c7r5c8|16,r1c1r1c2r2c1|17,r7c1r7c2r7c3r8c2|17,r3c4r4c3r4c4|27,r0c0r0c1r0c2r1c0r2c0|17,r4c2r5c2r6c1r6c2|21,r1c6r2c4r2c5r2c6|20,r7c7r7c8r8c7r8c8|9,r4c5r4c6|7,r0c6r0c7|10,r5c3r6c3|20,r1c7r2c7r2c8r3c7|12,r8c0r8c1|5,r3c8r4c8|24,r0c3r0c4r1c3r1c4|6,r5c4r6c4|22,r3c0r3c1r4c0r4c1|12,r8c3r8c4|9,r5c0r5c1|7,r0c5r1c5|11,r6c7r6c8|16,r2c2r2c3r3c2r3c3|10,r7c4r7c5r8c5|20,r5c5r5c6r6c5r6c6|10,r0c8r1c8|16,r6c0r7c0|11,r3c5r3c6", "solution": "498253617167894523532617849381769254654382791279145386713928465925436178846571932", "extra": "{\"grid_size\": 9, \"puzzle_number\": 721, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 724, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-27", "puzzle": "15,r5c0r6c0|20,r0c2r1c2r2c2r2c3|17,r7c3r7c4r8c3r8c4|7,r4c0r4c1|18,r0c0r0c1r1c0r1c1|7,r5c1r5c2r6c1|13,r2c4r2c5r2c6|13,r7c5r8c5|16,r4c2r4c3|22,r0c6r0c7r0c8|9,r5c7r6c7|4,r2c0r3c0|9,r7c6r7c7r7c8|38,r3c3r3c4r3c5r4c4r4c5r5c3r5c4r5c5|25,r0c3r0c4r1c3r1c4|9,r5c8r6c8|23,r2c1r3c1r3c2|23,r7c0r7c1r8c0r8c1|15,r3c6r4c6r5c6|10,r0c5r1c5|13,r6c2r6c3r7c2r8c2|11,r2c7r3c7|19,r8c6r8c7r8c8|14,r4c7r4c8|6,r1c6r1c7r1c8|21,r6c4r6c5r6c6|8,r2c8r3c8", "solution": "432671598567849312198352647386524971259713486741968235823195764974286153615437829", "extra": "{\"grid_size\": 9, \"puzzle_number\": 724, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 725, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-08-27", "puzzle": 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"8,r7c1r8c1|16,r4c0r5c0|13,r1c6r1c7|23,r6c0r6c1r7c0r8c0|19,r2c2r3c2r3c3r4c2|16,r0c0r0c1r0c2|16,r8c3r8c4|12,r4c1r5c1r5c2|11,r0c8r1c8|14,r6c2r7c2r8c2|17,r3c4r3c5r3c6|9,r0c3r0c4|5,r8c5r8c6|7,r5c5r5c6|7,r1c0r2c0|7,r7c4r7c5|22,r4c3r4c4r5c3r5c4|5,r0c6r0c7|7,r8c7r8c8|11,r6c3r7c3|20,r1c1r1c2r2c1|12,r6c6r7c6|10,r4c5r4c6|9,r1c3r1c4r2c3|7,r6c4r6c5|29,r2c4r2c5r2c6r2c7r2c8|12,r7c7r7c8|25,r3c7r3c8r4c7r4c8r5c8|14,r0c5r1c5|16,r5c7r6c7r6c8|6,r3c0r3c1", "solution": "385276419149538672672149583513627894928413756764985231491852367257361948836794125", "extra": "{\"grid_size\": 9, \"puzzle_number\": 726, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 727, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-28", "puzzle": "11,r4c6r5c6|34,r0c7r0c8r1c7r1c8r2c7r2c8r3c8|8,r7c6r7c7|30,r3c7r4c7r4c8r5c7r5c8r6c7|14,r0c0r0c1r1c0|5,r6c2r6c3|11,r2c1r2c2|12,r6c8r7c8r8c8|11,r3c1r4c1|15,r0c2r0c3|18,r5c5r6c4r6c5r6c6|18,r2c3r2c4r3c4|7,r8c0r8c1r8c2|14,r4c2r4c3|17,r0c4r0c5r0c6|14,r6c0r7c0|24,r1c5r1c6r2c5r2c6r3c5r3c6|15,r7c5r8c5|5,r4c4r4c5|3,r1c1r1c2|21,r6c1r7c1r7c2|18,r2c0r3c0r4c0r5c0|17,r8c6r8c7|30,r5c1r5c2r5c3r5c4|11,r1c3r1c4|16,r7c3r7c4r8c3r8c4|6,r3c2r3c3", "solution": "739654821421837659856192347372481596645923718198765432963248175587319264214576983", "extra": "{\"grid_size\": 9, \"puzzle_number\": 727, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 728, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-08-28", "puzzle": "16,r4c6r5c5r5c6|17,r0c0r1c0r2c0r2c1|9,r7c5r8c5|15,r2c7r3c7r4c7|18,r0c4r0c5r0c6|5,r5c7r5c8|14,r1c2r2c2|22,r7c6r8c6r8c7r8c8|19,r2c8r3c8r4c8|22,r0c7r0c8r1c7r1c8|14,r6c3r6c4r6c5|20,r2c3r2c4r3c3|14,r6c8r7c7r7c8|24,r4c0r4c1r5c0|14,r0c1r0c2r1c1|9,r6c6r6c7|12,r2c5r2c6r3c6|28,r6c0r7c0r7c1r8c0r8c1r8c2|12,r3c2r4c2r5c2|6,r0c3r1c3|26,r5c1r6c1r6c2r7c2r7c3|6,r3c0r3c1|18,r4c3r4c4r5c3r5c4|18,r1c4r1c5r1c6|16,r7c4r8c3r8c4|11,r3c4r3c5r4c5", "solution": "173586492249173856865942713516724389984315267732869541491257638357698124628431975", "extra": "{\"grid_size\": 9, \"puzzle_number\": 728, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 729, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-08-29", "puzzle": "11,r8c6r8c7|22,r4c1r4c2r5c1r5c2|7,r0c3r1c3|19,r6c3r6c4r7c3|12,r2c2r3c2|18,r0c4r0c5r0c6r1c4|15,r7c8r8c8|12,r4c4r5c4r5c5|20,r1c5r1c6r2c6r3c6r3c7|10,r6c7r7c6r7c7|22,r3c4r3c5r4c5r4c6|10,r0c7r0c8|20,r5c6r5c7r5c8r6c8|11,r1c7r1c8|13,r7c0r8c0|18,r3c8r4c7r4c8|19,r0c0r1c0r2c0r3c0|29,r6c0r6c1r7c1r8c1r8c2|20,r2c3r2c4r2c5|12,r7c4r8c3r8c4|18,r3c3r4c3r5c3|5,r0c1r1c1|8,r6c5r6c6|7,r2c7r2c8|12,r7c5r8c5|9,r4c0r5c0|13,r0c2r1c2|3,r6c2r7c2|10,r2c1r3c1", "solution": "947516382516283974238749561374895126865421739129637845481972653692358417753164298", "extra": "{\"grid_size\": 9, \"puzzle_number\": 729, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 730, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-08-29", "puzzle": "16,r5c2r6c2r6c3|22,r1c3r2c3r2c4|12,r7c1r8c1r8c2|10,r4c1r5c1r6c1|23,r0c0r0c1r1c0r1c1|4,r6c4r7c4|13,r2c5r2c6r3c6|10,r8c3r8c4|15,r4c6r4c7|29,r0c2r0c3r1c2r2c0r2c1r2c2r3c0|13,r5c8r6c8|20,r3c1r3c2r4c2|14,r8c5r8c6|25,r4c0r5c0r6c0r7c0r8c0|27,r0c4r0c5r0c6r0c7r0c8|14,r7c2r7c3|21,r3c3r3c4r3c5r4c3r5c3|24,r4c4r4c5r5c4r5c5|11,r1c4r1c5r1c6|9,r6c5r7c5|5,r2c7r3c7|13,r5c6r5c7|18,r1c7r1c8r2c8|34,r6c6r6c7r7c6r7c7r7c8r8c7r8c8|3,r3c8r4c8", "solution": "962154783178923645435768129689275431753481962214396857847512396596837214321649578", "extra": "{\"grid_size\": 9, \"puzzle_number\": 730, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 731, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-08-29", "puzzle": 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"4,r8c2r8c3|9,r5c1r5c2|11,r2c0r2c1|10,r7c0r7c1|5,r2c6r3c6|7,r0c3r0c4|15,r8c4r8c5r8c6|7,r5c3r5c4|8,r1c2r2c2|13,r6c2r7c2|11,r4c0r4c1|34,r0c5r0c6r0c7r0c8r1c7r1c8r2c8|20,r7c7r8c7r8c8|23,r4c8r5c8r6c8r7c8|9,r1c3r2c3|8,r7c3r7c4|12,r4c2r4c3|13,r0c0r1c0|13,r5c0r6c0r6c1|14,r2c7r3c7r3c8|7,r7c5r7c6|12,r4c4r4c5r5c5|13,r0c1r0c2r1c1|16,r6c3r6c4|21,r3c0r3c1r3c2r3c3|13,r8c0r8c1|23,r4c6r4c7r5c6r5c7|27,r1c4r1c5r1c6r2c4|9,r6c5r6c6r6c7|18,r2c5r3c4r3c5", "solution": "457612893912438765836597421329756184564821937781349652248973516195264378673185249", "extra": "{\"grid_size\": 9, \"puzzle_number\": 732, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 735, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-08-31", "puzzle": "10,r7c3r7c4|7,r4c0r5c0|11,r0c5r1c5|13,r5c8r6c8|9,r3c2r3c3|15,r0c2r0c3|10,r7c5r7c6|7,r4c1r5c1|22,r0c6r0c7r0c8r1c8r2c8|16,r6c0r6c1|13,r2c4r3c4|7,r0c0r1c0|12,r7c7r7c8|26,r4c3r4c4r5c3r5c4|12,r2c2r2c3|24,r4c2r5c2r6c2r6c3r6c4|10,r3c7r3c8|15,r0c1r1c1|10,r8c3r8c4|9,r5c5r6c5|40,r1c6r1c7r2c5r2c6r2c7r3c5r3c6|21,r7c0r7c1r8c0r8c1|12,r4c5r4c6|4,r1c2r1c3|3,r8c5r8c6|10,r5c6r6c6|10,r2c0r3c0|7,r7c2r8c2|3,r4c7r4c8|5,r0c4r1c4|17,r8c7r8c8|8,r5c7r6c7|7,r2c1r3c1", "solution": "289637541573124689164859723917285364458763912326491857791548236832916475645372198", "extra": "{\"grid_size\": 9, \"puzzle_number\": 735, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 736, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-31", "puzzle": "10,r6c2r7c2|15,r1c2r2c2|8,r8c1r8c2|14,r4c3r4c4r4c5|11,r0c1r0c2|9,r6c5r7c5|7,r1c5r2c5|15,r8c5r8c6r8c7|34,r2c0r3c0r4c0r4c1r4c2r5c0r6c0|15,r0c5r0c6r0c7|14,r6c6r7c6|5,r1c6r2c6|12,r5c2r5c3|15,r0c0r1c0r1c1r2c1r3c1|34,r5c1r6c1r7c0r7c1r8c0|9,r3c2r3c3|13,r5c4r6c3r6c4|20,r0c3r0c4r1c3r1c4|18,r7c3r7c4r8c3r8c4|19,r2c3r2c4r3c4|34,r3c5r3c6r4c6r4c7r5c5r5c6|33,r0c8r1c7r1c8r2c7r2c8|25,r6c7r6c8r7c7r7c8r8c8|16,r3c7r3c8r4c8r5c7r5c8", "solution": "374928165219456378856731249541892736923167584687543912198274653462315897735689421", "extra": "{\"grid_size\": 9, \"puzzle_number\": 736, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 733, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-08-30", "puzzle": "10,r8c3r8c4|16,r5c1r5c2r5c3|14,r1c6r1c7r1c8|9,r6c6r6c7|8,r3c4r3c5|10,r0c3r0c4|14,r8c7r8c8|13,r5c4r5c5|13,r1c1r2c0r2c1r3c0|21,r7c0r8c0r8c1r8c2|14,r4c0r4c1|5,r0c7r0c8|20,r2c8r3c8r4c8r5c8r6c8|4,r2c2r2c3|15,r7c2r7c3|9,r4c2r4c3|24,r0c0r0c1r0c2r1c0|21,r5c0r6c0r6c1r7c1|18,r1c4r2c4r2c5|8,r7c5r8c5r8c6|11,r4c4r4c5r4c6|13,r1c2r1c3|6,r6c2r6c3|14,r2c6r2c7|19,r7c6r7c7r7c8|24,r3c6r3c7r4c7r5c6r5c7|17,r0c5r0c6r1c5|19,r6c4r6c5r7c4|16,r3c1r3c2r3c3", "solution": "465197832938542716271368594126853947597214683843976125752489361319625478684731259", "extra": "{\"grid_size\": 9, \"puzzle_number\": 733, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 734, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-08-30", "puzzle": "24,r3c5r3c6r4c5r5c5r6c5|27,r2c2r3c2r3c3r4c3r4c4|8,r4c1r4c2|7,r0c0r0c1|11,r6c7r6c8|32,r0c2r0c3r1c3r1c4r2c3|20,r4c6r4c7r4c8r5c6r6c6|8,r0c4r0c5|12,r7c1r7c2r7c3|34,r0c6r0c7r1c7r2c6r2c7r3c7|27,r5c1r5c2r6c1r6c2|21,r1c0r1c1r1c2r2c0r2c1|14,r7c6r7c7r7c8|11,r2c4r2c5r3c4|8,r5c7r5c8|16,r1c5r1c6|26,r6c0r7c0r8c0r8c1r8c2|16,r2c8r3c8|27,r5c3r5c4r6c3r6c4r7c4|4,r0c8r1c8|36,r7c5r8c3r8c4r8c5r8c6r8c7r8c8|16,r3c0r3c1r4c0r5c0", "solution": "439726851216859743758314629845261397162937485397548162683195274971482536524673918", "extra": "{\"grid_size\": 9, \"puzzle_number\": 734, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 737, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-08-31", "puzzle": "12,r5c4r5c5r6c5|8,r1c2r1c3|11,r7c2r7c3|7,r4c0r4c1|16,r0c3r0c4r1c4|8,r3c6r4c6r5c6|17,r1c5r1c6|6,r7c5r7c6|15,r4c4r4c5|11,r0c5r0c6|8,r6c3r6c4|13,r2c3r2c4|19,r7c4r8c3r8c4|22,r3c7r4c7r4c8r5c7|25,r0c7r0c8r1c8r2c8r3c8|18,r6c6r6c7r7c7|13,r1c7r2c6r2c7|8,r8c5r8c6|7,r5c1r6c1r6c2|21,r0c0r1c0r2c0r3c0|20,r5c0r6c0r7c0r8c0|17,r2c1r2c2r3c1|26,r5c8r6c8r7c8r8c7r8c8|34,r3c2r3c3r4c2r4c3r5c2r5c3|15,r0c1r0c2r1c1|19,r7c1r8c1r8c2|9,r2c5r3c4r3c5", "solution": "218594763367128945954673812786415329435269178129837456841352697672981534593746281", "extra": "{\"grid_size\": 9, \"puzzle_number\": 737, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 739, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-09-01", "puzzle": "20,r4c0r4c1r5c0r6c0|10,r0c7r1c7|7,r7c7r7c8|20,r1c6r2c6r3c5r3c6|11,r0c2r0c3|14,r5c1r6c1|8,r0c8r1c8|20,r6c2r7c2r8c0r8c1r8c2|4,r4c2r5c2|3,r0c5r0c6|19,r3c4r4c4r5c4r6c4r7c4|16,r2c0r2c1r3c0r3c1|19,r8c3r8c4r8c5|13,r4c3r5c3r6c3r7c3|11,r0c0r1c0|10,r5c7r6c7|19,r1c3r1c5r2c3r2c4r2c5|32,r6c6r7c6r8c6r8c7r8c8|26,r4c5r5c5r6c5r7c5|11,r0c1r1c1|18,r4c7r4c8r5c8r6c8|23,r2c7r2c8r3c7r3c8|11,r4c6r5c6|17,r0c4r1c4|13,r7c0r7c1|30,r1c2r2c2r3c2r3c3", "solution": "584792136639581472127364859946815327273649581851273694398426715762158943415937268", "extra": "{\"grid_size\": 9, \"puzzle_number\": 739, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 738, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-01", "puzzle": "7,r7c2r7c3|5,r4c2r4c3|10,r1c6r1c7|6,r5c2r6c2|14,r2c4r3c4|16,r0c6r0c7|5,r8c0r8c1|19,r4c4r4c5r5c4r5c5|8,r0c8r1c8|16,r5c3r6c3r6c4|16,r3c5r3c6r4c6|20,r0c0r0c1r0c2r1c0r2c0|13,r8c2r8c3|14,r4c7r4c8|18,r1c1r1c2r2c1|20,r6c5r7c5r8c5r8c6|13,r2c7r3c7|10,r0c3r1c3|9,r7c4r8c4|13,r5c0r5c1|3,r2c5r2c6|12,r6c6r6c7r7c6|5,r2c8r3c8|10,r0c4r1c4|23,r7c7r7c8r8c7r8c8|24,r5c6r5c7r5c8r6c8|10,r3c0r3c1|5,r6c1r7c1|14,r4c0r4c1|6,r0c5r1c5|16,r6c0r7c0|25,r2c2r2c3r3c2r3c3", "solution": "862341795149765823357892164284659371593217486671483952725934618936128547418576239", "extra": "{\"grid_size\": 9, \"puzzle_number\": 738, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 741, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-02", "puzzle": "13,r7c2r8c2r8c3|20,r5c4r5c5r5c6r6c4|6,r0c4r1c4r2c4|12,r7c3r7c4|12,r2c7r2c8r3c7r3c8|7,r0c0r0c1|7,r8c4r8c5|14,r5c7r6c6r6c7|21,r0c5r0c6r1c5r1c6|16,r7c6r8c6|14,r3c0r4c0|10,r0c2r0c3|4,r5c8r6c8|14,r2c0r2c1|9,r7c7r8c7|24,r3c4r3c5r4c4r4c5|30,r0c7r0c8r1c7r1c8|18,r5c0r6c0r6c1|14,r2c5r2c6r3c6|14,r7c8r8c8|13,r4c6r4c7r4c8|10,r1c0r1c1|19,r5c2r5c3r6c2r6c3|8,r3c1r3c2|15,r7c0r7c1r8c0r8c1|10,r4c1r5c1|16,r1c2r1c3r2c2|12,r6c5r7c5|23,r2c3r3c3r4c2r4c3", "solution": "342817569195426387687935124926743815531689472874152693469578231218394756753261948", "extra": "{\"grid_size\": 9, \"puzzle_number\": 741, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 742, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-09-02", "puzzle": "8,r7c3r8c3|24,r4c0r4c1r5c0r5c1|15,r0c8r1c8|23,r6c4r6c5r7c4r7c5|13,r2c4r3c3r3c4|18,r0c0r0c1r0c2|12,r8c4r8c5|6,r4c2r5c2|12,r1c0r2c0r3c0|20,r5c6r6c6r7c6r7c7|16,r2c7r3c6r3c7|10,r0c5r0c6r0c7|12,r8c6r8c7|16,r4c3r5c3|9,r2c2r2c3|11,r5c7r6c7r6c8|8,r2c8r3c8|11,r1c1r1c2|12,r7c8r8c8|11,r4c4r5c4|11,r1c5r2c5|23,r7c1r7c2r8c2|12,r3c5r4c5r5c5|7,r0c3r1c3|14,r6c0r6c1r7c0|17,r1c6r1c7r2c6|3,r8c0r8c1|19,r4c6r4c7r4c8r5c8|7,r0c4r1c4|7,r6c2r6c3|18,r2c1r3c1r3c2", "solution": "927635418683142957541879362159428736862753194374961825435297681798516243216384579", "extra": "{\"grid_size\": 9, \"puzzle_number\": 742, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 740, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-09-01", "puzzle": "9,r8c5r8c6|6,r5c2r5c3r6c3|13,r1c2r2c1r2c2|11,r7c5r7c6|19,r4c4r4c5r5c4|23,r0c0r0c1r1c0r1c1|18,r6c1r6c2r7c1|17,r1c6r1c7r2c6|18,r7c7r7c8r8c7r8c8|14,r4c6r4c7|8,r0c2r0c3|5,r6c4r7c4|9,r2c7r2c8r3c7|6,r8c0r8c1|3,r3c8r4c8|15,r0c4r0c5r0c6r0c7|23,r5c5r5c6r6c5r6c6|9,r2c0r3c0|18,r7c2r7c3r8c2|18,r4c0r5c0r6c0r7c0|25,r1c3r1c4r1c5r2c4|11,r5c7r6c7|32,r2c3r3c2r3c3r3c4r4c3|12,r8c3r8c4|20,r3c1r4c1r4c2r5c1|15,r0c8r1c8|15,r5c8r6c8|13,r2c5r3c5r3c6", "solution": "587126349914835276236497815748961532392574681651283497165349728873612954429758163", "extra": "{\"grid_size\": 9, \"puzzle_number\": 740, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 743, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-09-02", "puzzle": "24,r3c7r4c7r5c6r5c7|24,r0c4r1c4r2c4r3c4|11,r5c8r6c8|10,r3c2r3c3|6,r0c0r0c1|13,r4c4r5c4|18,r1c5r1c6r1c7r1c8|21,r7c0r7c1r8c0r8c1|8,r3c5r3c6|6,r0c2r0c3|11,r5c0r6c0|30,r2c0r2c1r3c0r4c0|26,r7c2r7c3r7c4r7c5r7c6|14,r3c1r4c1r5c1r5c2|13,r0c5r0c6|14,r6c1r6c2|11,r2c2r2c3|18,r7c7r7c8r8c7r8c8|10,r4c2r4c3|17,r0c7r0c8|21,r5c3r5c5r6c3r6c4r6c5|8,r2c5r2c6|25,r8c2r8c3r8c4r8c5r8c6|8,r4c5r4c6|19,r1c0r1c1r1c2r1c3|9,r6c6r6c7|10,r2c7r2c8r3c8r4c8", "solution": "245137698319682457867495321958241763721963584634578912586314279193726845472859136", "extra": "{\"grid_size\": 9, \"puzzle_number\": 743, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 745, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-09-03", "puzzle": "19,r8c3r8c4r8c5r8c6r8c7|18,r3c1r4c1r5c1|8,r0c8r1c8r2c8|7,r7c1r7c2|9,r3c0r4c0r5c0|16,r0c0r0c1r0c2|4,r5c2r6c2|13,r1c0r2c0r2c1|12,r7c3r7c4|17,r4c2r4c3|28,r0c3r0c4r0c5r0c6r0c7|12,r5c3r6c3|36,r1c5r1c6r2c5r2c6r3c5r3c6|11,r6c7r7c7|10,r4c4r4c5r4c6|14,r1c1r1c2|16,r5c4r6c4|10,r2c2r3c2|17,r6c8r7c8r8c8|7,r3c7r4c7r5c7|4,r1c3r1c4|11,r6c0r6c1r7c0|10,r2c3r3c3|24,r8c0r8c1r8c2|20,r3c8r4c8r5c8|15,r1c7r2c7|28,r5c5r5c6r6c5r6c6r7c5r7c6|9,r2c4r3c4", "solution": "934268571586317294712954863378146925469825317251793648643572189125489736897631452", "extra": "{\"grid_size\": 9, \"puzzle_number\": 745, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 744, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-09-03", "puzzle": "7,r6c4r7c4|17,r4c1r4c2|14,r0c4r1c4|12,r5c2r6c2|11,r3c0r3c1r4c0|11,r0c2r0c3|11,r6c5r7c5r7c6r8c6|28,r4c3r4c4r4c5r5c3r5c4r5c5|10,r1c5r1c6|7,r5c6r6c6|18,r2c3r3c2r3c3|7,r0c5r0c6|23,r7c7r7c8r8c7r8c8|9,r4c6r4c7|7,r0c7r1c7|15,r6c7r6c8|6,r2c4r3c4|12,r0c0r1c0r2c0|24,r8c3r8c4r8c5|7,r5c0r5c1|8,r0c8r1c8r2c8|16,r7c0r7c1r8c0r8c1|21,r2c5r3c5r3c6|16,r0c1r1c1|11,r5c7r5c8|7,r2c1r2c2|15,r6c3r7c2r7c3r8c2|15,r3c7r3c8r4c8|9,r1c2r1c3|15,r6c0r6c1|16,r2c6r2c7", "solution": "894751623176392854352648971543926718289137546617584392965213487728465139431879265", "extra": "{\"grid_size\": 9, \"puzzle_number\": 744, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 747, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-09-04", "puzzle": "16,r4c6r5c5r5c6|11,r2c2r2c3|43,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|18,r3c4r3c5r3c6|10,r0c4r0c5r0c6|19,r4c7r5c7r5c8|5,r2c4r2c5|15,r7c1r8c0r8c1|9,r2c7r3c7|17,r0c3r1c3|19,r4c0r5c0r6c0r7c0|14,r1c6r2c6|5,r7c3r7c4|17,r4c3r4c4r4c5|7,r1c4r1c5|10,r6c2r7c2|21,r1c8r2c8r3c8r4c8|17,r7c5r8c5|8,r5c1r6c1|9,r0c7r0c8r1c7|5,r6c3r6c4|21,r3c0r3c1r4c1|13,r8c2r8c3r8c4|16,r5c2r5c3r5c4|41,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1|8,r6c5r6c6|11,r3c2r3c3r4c2", "solution": "976854132328961547514732986782493615165287493439615728853146279647329851291578364", "extra": "{\"grid_size\": 9, \"puzzle_number\": 747, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 746, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2009-09-03", "puzzle": "19,r4c0r4c1r5c0r6c0r7c0|18,r2c3r2c4r2c5|28,r7c3r7c4r7c5r8c3r8c4|15,r4c2r4c3|24,r0c4r0c5r1c3r1c4r1c5|9,r6c3r6c4r6c5|23,r1c8r2c8r3c8r4c7r4c8|15,r4c5r4c6|30,r0c0r0c1r0c2r0c3r1c0|14,r6c6r7c6|11,r2c0r3c0|34,r5c1r5c2r6c1r6c2r7c1|21,r0c6r0c7r0c8r1c6|18,r5c7r6c7r7c7|11,r3c2r3c3|8,r5c5r5c6|11,r1c1r2c1r3c1|11,r7c2r8c0r8c1r8c2|18,r3c4r3c5r4c4r5c3r5c4|12,r5c8r6c8|8,r1c2r2c2|21,r7c8r8c5r8c6r8c7r8c8|26,r1c7r2c6r2c7r3c6r3c7", "solution": "694315728813297456275864391936542817128739645547186239489621573761453982352978164", "extra": "{\"grid_size\": 9, \"puzzle_number\": 746, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 748, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-09-04", "puzzle": "17,r8c0r8c1r8c2r8c3|3,r5c0r5c1|10,r1c5r1c6r2c5|8,r7c0r7c1|11,r3c4r3c5r3c6|12,r0c0r0c1|10,r8c7r8c8|14,r5c2r5c3r5c4|13,r1c7r1c8|13,r6c3r7c2r7c3|10,r3c7r3c8|26,r0c5r0c6r0c7r0c8|19,r5c5r6c4r6c5|18,r1c0r1c1r2c0|14,r7c4r8c4|7,r3c0r4c0|11,r0c2r1c2r2c2|17,r5c6r5c7r6c7|12,r2c6r2c7r2c8|9,r7c5r8c5|40,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|10,r0c3r1c3|18,r6c0r6c1r6c2|18,r2c1r3c1r3c2|15,r6c6r7c6r8c6|8,r4c8r5c8|9,r0c4r1c4|17,r6c8r7c7r7c8|16,r2c3r2c4r3c3", "solution": "931247568672853149548916327495621873386579412127438956864192735719365284253784691", "extra": "{\"grid_size\": 9, \"puzzle_number\": 748, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 749, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-09-04", "puzzle": "8,r5c4r6c4|31,r1c0r1c1r2c0r3c0r4c0|10,r7c4r8c4|24,r1c7r1c8r2c8r3c8r4c8|15,r0c0r0c1r0c2|10,r5c8r6c8|26,r3c1r3c2r4c1r5c1|25,r7c5r8c5r8c6r8c7|28,r4c3r4c4r4c5r5c3r5c5|23,r0c3r0c4r0c5r1c4|15,r6c1r7c1r7c2|10,r2c3r3c3|12,r7c8r8c8|23,r4c2r5c2r6c2r6c3|14,r0c6r0c7r0c8|12,r6c7r7c6r7c7|10,r2c4r3c4|25,r4c6r5c6r6c5r6c6|16,r1c2r1c3r2c1r2c2|7,r7c0r8c0|3,r2c5r3c5|3,r5c0r6c0|17,r1c5r1c6r2c6r2c7|20,r7c3r8c1r8c2r8c3|18,r3c6r3c7r4c7r5c7", "solution": "762349158831675294945812376678291543593468712124753689257934861319586427486127935", "extra": "{\"grid_size\": 9, \"puzzle_number\": 749, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 750, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-05", "puzzle": "13,r7c7r7c8|7,r3c6r3c7r4c6|21,r1c5r1c6r1c7|15,r6c3r6c4|13,r3c3r3c4|11,r0c0r0c1|14,r8c1r8c2r8c3|15,r4c8r5c8|5,r0c8r1c8|9,r6c7r6c8|5,r2c8r3c8|32,r0c2r0c3r0c4r1c3r1c4r2c3|35,r6c5r7c4r7c5r8c4r8c5r8c6|8,r5c0r6c0|13,r2c0r2c1|12,r7c0r8c0|12,r3c0r4c0|14,r0c5r0c6r0c7|9,r8c7r8c8|5,r5c4r5c5|7,r2c4r2c5|12,r7c1r7c2r7c3|15,r4c2r5c1r5c2|9,r1c0r1c1|15,r4c7r5c7|10,r2c6r2c7|10,r5c6r6c6r7c6|27,r3c5r4c3r4c4r4c5r5c3|19,r1c2r2c2r3c2|4,r6c1r6c2|9,r3c1r4c1", "solution": "291873654637254891584916732958761423342589176176432589713698245829145367465327918", "extra": "{\"grid_size\": 9, \"puzzle_number\": 750, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 751, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-09-05", "puzzle": "11,r7c7r8c7|10,r3c7r4c7|6,r0c6r1c6|11,r6c4r7c4|14,r3c1r3c2r4c2|23,r0c2r0c3r0c4r0c5r1c5|3,r7c8r8c8|13,r3c8r4c8|12,r1c7r1c8r2c8|4,r6c5r6c6|28,r3c3r3c4r4c4r5c4r5c5|12,r0c7r0c8|16,r8c0r8c1|6,r4c3r5c3|5,r2c2r2c3|12,r6c0r7c0r7c1|11,r3c5r4c5|11,r0c0r1c0|25,r7c3r8c3r8c4r8c5r8c6|14,r4c6r5c6r5c7|14,r1c4r2c4|11,r7c2r8c2|7,r4c0r5c0|15,r0c1r1c1|20,r5c8r6c7r6c8|22,r2c5r2c6r2c7r3c6|14,r7c5r7c6|11,r4c1r5c1|8,r1c2r1c3|23,r5c2r6c1r6c2r6c3|13,r2c0r2c1r3c0", "solution": "361729584895364127724185963417653298236498715589217436642871359153946872978532641", "extra": "{\"grid_size\": 9, \"puzzle_number\": 751, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 752, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-09-05", "puzzle": "24,r5c8r6c8r7c8r8c8|13,r0c8r1c7r1c8|19,r6c7r7c6r7c7r8c6r8c7|15,r3c4r4c4r5c4|18,r0c1r0c2r1c1r1c2r2c1|13,r7c0r7c1r8c0|26,r0c0r1c0r2c0r3c0|30,r2c4r2c5r3c5r3c6r4c6|12,r0c3r0c4|29,r6c0r6c1r6c2r7c2r7c3|16,r2c2r3c1r3c2|19,r4c0r4c1r5c0r5c1|14,r0c5r0c6r0c7|11,r7c4r7c5|14,r2c3r3c3r4c3|17,r4c5r5c5r6c5|9,r1c3r1c4|19,r8c1r8c2r8c3|13,r3c7r3c8r4c7r4c8|17,r5c6r5c7r6c6|28,r1c5r1c6r2c6r2c7r2c8|12,r8c4r8c5|17,r4c2r5c2r5c3r6c3r6c4", "solution": "628571493741639528539842167816457932354296871297318645965123784482765319173984256", "extra": "{\"grid_size\": 9, \"puzzle_number\": 752, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 754, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-09-06", "puzzle": "12,r4c8r5c8|30,r1c1r1c2r2c1r2c2r3c1|20,r7c4r8c4r8c5r8c6|22,r4c1r5c1r6c1r6c2|18,r0c0r0c1r0c2r1c0|13,r7c2r8c2r8c3|20,r1c8r2c8r3c8|12,r8c7r8c8|5,r4c2r4c3|11,r0c7r0c8|13,r6c3r7c3|36,r2c0r3c0r4c0r5c0r6c0r7c0r8c0|15,r3c4r4c4|39,r0c3r0c5r1c3r1c5r2c3r2c4r2c5r2c6|38,r5c4r5c5r6c4r6c5r6c6r7c5r7c6|13,r3c2r3c3|11,r5c2r5c3|7,r0c4r1c4|12,r6c7r6c8r7c7r7c8|13,r3c5r3c6r4c5r4c6|9,r5c6r5c7|14,r0c6r1c6r1c7|5,r7c1r8c1|17,r2c7r3c7r4c7", "solution": "718465392249813657563297148384971265152386479976524813491738526825649731637152984", "extra": "{\"grid_size\": 9, \"puzzle_number\": 754, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 753, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-06", "puzzle": "5,r7c1r8c1|24,r3c3r4c3r4c4r4c5r5c5|9,r0c7r1c7|4,r6c3r7c3|11,r1c6r2c6|9,r0c1r0c2|15,r7c6r7c7|18,r4c6r4c7r5c6r5c7|15,r0c8r1c8r2c8|14,r6c4r7c4|10,r2c0r3c0r4c0|7,r0c3r0c4|10,r7c8r8c8|18,r5c0r5c1r6c1|4,r2c1r2c2|12,r6c5r7c5|18,r3c4r3c5r3c6|7,r0c5r0c6|11,r8c2r8c3|15,r5c2r5c3r5c4|13,r1c3r2c3|10,r6c6r6c7|10,r2c7r3c7r3c8|17,r0c0r1c0|13,r8c4r8c5|19,r4c8r5c8r6c8|15,r1c4r2c4|12,r6c0r7c0r8c0|22,r3c1r3c2r4c1r4c2|11,r1c1r1c2|6,r8c6r8c7|14,r6c2r7c2|7,r1c5r2c5", "solution": "927613485865472913431985267592746831183529746674831529256198374718354692349267158", "extra": "{\"grid_size\": 9, \"puzzle_number\": 753, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 755, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-09-06", "puzzle": "13,r8c5r8c6|13,r2c7r3c7r4c7|18,r1c8r2c8r3c8|9,r6c6r6c7|16,r2c5r3c5r4c5|18,r0c0r0c1r1c0|18,r7c8r8c7r8c8|24,r4c3r5c3r6c3|7,r2c1r2c2|12,r5c0r6c0r7c0|16,r4c1r5c1r6c1|12,r0c2r0c3|19,r5c5r5c6r5c7|8,r1c3r2c3r2c4|10,r7c3r7c4r8c4|9,r4c2r5c2|22,r0c5r0c6r0c7r0c8r1c7|9,r4c8r5c8r6c8|11,r1c6r2c6|12,r7c6r7c7|18,r3c4r4c4r5c4|10,r1c1r1c2|10,r6c2r7c2|9,r2c0r3c0r4c0|26,r7c1r8c0r8c1r8c2r8c3|8,r3c6r4c6|18,r0c4r1c4r1c5|12,r6c4r6c5r7c5|18,r3c1r3c2r3c3", "solution": "917526348864397215325418967298143756476985123153762894549871632681234579732659481", "extra": "{\"grid_size\": 9, \"puzzle_number\": 755, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 756, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-07", "puzzle": "7,r8c4r8c5|14,r4c2r4c3r5c2|16,r1c2r1c3r1c4|5,r7c2r7c3|13,r2c3r3c3|5,r0c1r0c2|11,r8c6r8c7|6,r5c5r6c5|15,r1c5r1c6|19,r7c4r7c5r7c6|28,r3c4r3c5r4c4r5c3r5c4|10,r0c3r0c4|8,r5c6r5c7|19,r1c1r2c1r2c2|30,r5c8r6c8r7c8r8c8|15,r3c6r4c5r4c6|15,r0c5r0c6|34,r5c1r6c0r6c1r6c2r7c0r7c1|6,r2c4r2c5|3,r8c0r8c1|18,r4c0r4c1r5c0|10,r0c7r0c8|11,r6c3r6c4|23,r1c7r1c8r2c6r2c7r2c8r3c7|16,r8c2r8c3|14,r3c8r4c7r4c8|16,r0c0r1c0r2c0r3c0|6,r6c6r6c7r7c7|12,r3c1r3c2", "solution": "532198764748356921196724385375619842861472593429835176984561237653287419217943658", "extra": "{\"grid_size\": 9, \"puzzle_number\": 756, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 757, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-09-07", "puzzle": 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"16,r6c1r7c1r7c2r8c2|9,r4c3r4c4r4c5|22,r0c6r1c6r1c7r2c7|3,r5c7r5c8|12,r3c3r3c4|7,r0c0r0c1|11,r7c3r8c3|9,r3c6r4c6|17,r1c0r2c0|10,r6c0r7c0|16,r2c5r2c6r3c5|7,r0c7r0c8|15,r7c4r7c5r8c4|15,r3c7r4c7|21,r2c1r2c2r3c2|7,r6c4r6c5|9,r4c0r5c0|14,r0c2r0c3r1c1r1c2|20,r7c6r7c7r8c5r8c6|15,r3c8r4c8|7,r2c3r2c4|9,r5c6r6c6r6c7|9,r4c1r5c1|14,r0c4r1c3r1c4|14,r8c0r8c1|20,r5c3r6c2r6c3|7,r1c8r2c8|15,r6c8r7c8|16,r4c2r5c2|16,r0c5r1c5|8,r8c7r8c8|12,r5c4r5c5|3,r3c0r3c1", "solution": "251689734943517862876432915128395476437126589569748321395861247714253698682974153", "extra": "{\"grid_size\": 9, \"puzzle_number\": 759, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 758, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-09-07", "puzzle": 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"10,r4c8r5c8|13,r2c3r2c4r2c5|18,r7c0r7c1r8c0r8c1|16,r4c0r5c0|17,r0c3r0c4r0c5r1c4|23,r6c0r6c1r6c2r7c2r7c3|3,r2c6r2c7|26,r7c7r7c8r8c7r8c8|11,r4c1r5c1|24,r0c2r1c1r1c2r1c3|12,r5c3r6c3|24,r0c7r0c8r1c8r2c8|7,r8c2r8c3|9,r4c2r5c2|26,r0c6r1c5r1c6r1c7|13,r5c4r6c4|7,r3c0r3c1|10,r7c4r8c4|8,r4c6r5c6|13,r0c0r0c1r1c0r2c0|9,r5c5r6c5|41,r3c2r3c3r3c4r3c5r3c6r4c3r4c4r4c5|12,r8c5r8c6|9,r4c7r5c7|15,r2c1r2c2|19,r6c6r6c7r6c8r7c5r7c6|10,r3c7r3c8", "solution": "136925748429718653587634219342576891768391524951482376694857132273169485815243967", "extra": "{\"grid_size\": 9, \"puzzle_number\": 760, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 762, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-09", "puzzle": "11,r6c7r7c7|17,r4c5r4c6|7,r2c0r2c1|19,r5c7r5c8r6c8|10,r2c4r3c4|16,r0c0r0c1r1c0|16,r7c0r8c0r8c1|9,r4c7r4c8|18,r1c3r2c3r3c3|16,r6c1r7c1|14,r2c6r3c6|22,r0c7r0c8r1c8|3,r7c2r8c2|10,r4c4r5c4|15,r1c5r2c5r3c5|10,r6c3r7c3|7,r3c7r3c8|21,r0c2r0c3r1c1r1c2|18,r8c3r8c4r8c5|19,r5c0r5c1r6c0|3,r2c7r2c8|10,r6c4r7c4|3,r4c0r4c1|6,r0c4r1c4|5,r7c6r8c6|11,r5c2r5c3r6c2|11,r3c0r3c1|7,r6c5r7c5|10,r4c2r4c3|16,r0c5r0c6r1c6r1c7|15,r7c8r8c7r8c8|16,r5c5r5c6r6c6|14,r2c2r3c2", "solution": "167452398928613745435987621749325816213768954856149273674231589591876432382594167", "extra": "{\"grid_size\": 9, \"puzzle_number\": 762, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 765, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-10", "puzzle": "4,r7c6r8c6|13,r3c5r4c5r5c5|8,r0c4r1c4|10,r5c8r6c8|4,r2c7r3c7|12,r0c0r0c1|21,r5c7r6c7r7c7r7c8|13,r4c7r4c8|14,r0c8r1c7r1c8|18,r6c3r6c4r7c2r7c3|14,r2c8r3c8|10,r0c5r0c6r0c7|12,r8c1r8c2r8c3|3,r5c0r6c0|25,r1c5r1c6r2c4r2c5|23,r7c0r7c1r8c0|10,r4c0r4c1|22,r1c0r1c1r2c1r3c1|7,r8c7r8c8|10,r5c1r6c1|9,r2c0r3c0|10,r7c4r8c4|21,r3c3r4c3r5c3|8,r0c2r1c2|13,r5c2r6c2|14,r2c2r2c3r3c2r4c2|13,r7c5r8c5|11,r3c4r4c4r5c4|14,r0c3r1c3|24,r4c6r5c6r6c5r6c6|15,r2c6r3c6", "solution": "396851274782634591451279638528743916643912785179568423234195867865327149917486352", "extra": "{\"grid_size\": 9, \"puzzle_number\": 765, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 763, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-09-09", "puzzle": 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"6,r7c7r7c8|16,r3c7r4c7r4c8|16,r0c3r1c3r1c4r2c3r2c4|10,r6c1r7c1|15,r2c1r2c2r3c1|10,r0c0r0c1|18,r8c0r8c1r8c2|16,r5c3r5c4r6c3|13,r1c5r1c6|18,r4c2r5c2r6c2|11,r3c2r3c3|16,r0c4r0c5|6,r8c3r8c4|13,r5c5r5c6|9,r2c6r3c6r4c6|8,r7c2r7c3|18,r2c5r3c4r3c5|9,r0c6r0c7r0c8|8,r8c7r8c8|20,r5c7r6c6r6c7|10,r1c7r2c7|29,r6c4r6c5r7c4r7c5r8c5|19,r4c0r4c1r5c1|15,r1c0r1c1|10,r5c8r6c8|22,r1c8r2c8r3c8|8,r7c6r8c6|13,r4c3r4c4r4c5|5,r0c2r1c2|12,r5c0r6c0r7c0|6,r2c0r3c0", "solution": "824697513691235847537148269152973486489562371376814952243751698765389124918426735", "extra": "{\"grid_size\": 9, \"puzzle_number\": 768, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 767, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-09-10", "puzzle": "7,r4c0r5c0|7,r2c0r2c1|13,r6c0r7c0r8c0|11,r4c2r4c3|8,r0c3r0c4|19,r5c1r5c2r5c3|23,r0c0r0c1r0c2r1c2r2c2|26,r7c1r7c2r7c3r8c1r8c2r8c3|18,r3c4r4c4r5c4r5c5|21,r0c5r0c6r0c7r1c7|14,r6c1r6c2|22,r1c5r1c6r2c5r2c6|24,r7c7r7c8r8c6r8c7r8c8|8,r3c5r4c5|15,r1c0r1c1|33,r6c3r6c4r7c4r8c4r8c5|19,r2c7r2c8r3c7|24,r3c6r4c6r4c7r5c6r5c7|16,r1c3r1c4r2c3r2c4|17,r6c5r6c6r7c5r7c6|15,r3c0r3c1r4c1|15,r3c8r4c8|6,r0c8r1c8|12,r5c8r6c7r6c8|12,r3c2r3c3", "solution": "843179265967528341521364798378416529154792836692835174286953417735641982419287653", "extra": "{\"grid_size\": 9, \"puzzle_number\": 767, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 769, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-09-11", "puzzle": "31,r7c4r8c4r8c5r8c6r8c7r8c8|6,r4c2r5c2|10,r0c5r1c5|11,r5c8r6c8r7c8|9,r2c5r3c5|11,r0c3r0c4|10,r4c3r5c3|15,r0c8r1c7r1c8|15,r6c2r7c1r7c2r8c2|18,r4c4r4c5r4c6|11,r0c6r0c7|19,r6c0r6c1r7c0|16,r1c2r2c1r2c2|13,r6c3r7c3r8c3|26,r2c7r2c8r3c7r3c8r4c7r4c8|24,r0c0r1c0r2c0r3c0r3c1|15,r5c4r5c5r6c4|14,r1c6r2c6r3c6|7,r7c6r7c7|11,r4c0r5c0|20,r0c1r0c2r1c1|20,r6c5r6c6r7c5|15,r3c2r3c3|11,r8c0r8c1|5,r4c1r5c1|11,r1c3r1c4r2c3|18,r5c6r5c7r6c7|13,r2c4r3c4", "solution": "149567832572813649386294715968745123425136987731982564294658371813479256657321498", "extra": "{\"grid_size\": 9, \"puzzle_number\": 769, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 770, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-09-11", "puzzle": "18,r6c1r7c1r8c0r8c1|21,r2c3r2c4r3c3|11,r4c7r5c7|34,r0c0r0c1r0c2r1c2r2c1r2c2r3c2|14,r7c4r7c5|20,r0c6r1c6r2c5r2c6|24,r4c2r4c3r5c1r5c2r5c3|25,r0c3r0c4r0c5r1c5|22,r5c8r6c8r7c7r7c8|11,r1c8r2c8r3c8r4c8|30,r4c0r5c0r6c0r7c0|15,r1c0r1c1r2c0r3c0|19,r7c3r8c3r8c4r8c5|28,r3c5r3c6r3c7r4c5r4c6|17,r6c2r6c3r7c2r8c2|4,r1c3r1c4|31,r5c6r6c6r6c7r7c6r8c6r8c7r8c8|7,r3c1r4c1|12,r5c5r6c4r6c5|24,r0c7r0c8r1c7r2c7|18,r3c4r4c4r5c4", "solution": "512874639479136582386952741123749865857261493964583127641327958738495216295618374", "extra": "{\"grid_size\": 9, \"puzzle_number\": 770, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 771, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-12", "puzzle": 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"5,r7c6r8c6|16,r4c0r5c0r6c0|14,r0c4r1c4r2c4|9,r7c0r7c1|16,r3c6r3c7r4c7|10,r0c0r0c1|11,r8c7r8c8|31,r5c2r5c3r5c4r5c5r5c6|27,r1c6r1c7r1c8r2c6r2c7|16,r7c7r7c8|17,r2c8r3c8|16,r0c2r0c3r1c3|10,r4c8r5c8r6c8|10,r2c0r3c0|11,r8c0r8c1|15,r4c2r4c3|15,r0c5r0c6r1c5|5,r5c1r6c1|13,r3c1r3c2r4c1|10,r7c2r8c2|7,r3c4r4c4|4,r0c7r0c8|41,r6c2r6c3r6c4r6c5r6c6r7c3r7c4r7c5|4,r2c3r3c3|12,r8c3r8c4r8c5|12,r4c5r4c6|32,r1c0r1c1r1c2r2c1r2c2|10,r5c7r6c7|6,r2c5r3c5", "solution": "462879513793651842158324769975142638216938475834765921627593184541286397389417256", "extra": "{\"grid_size\": 9, \"puzzle_number\": 777, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 778, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-09-14", "puzzle": 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"20,r6c8r7c8r8c6r8c7r8c8|17,r5c5r5c6r6c5r6c6|10,r0c8r1c8|23,r6c7r7c6r7c7|25,r4c1r4c2r5c2r6c2|40,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1|8,r5c7r5c8|23,r1c4r2c4r2c5r2c6|15,r8c0r8c1|18,r3c4r3c5r4c3r4c4r5c3|9,r0c4r0c5|6,r5c1r6c1|4,r1c7r2c7|23,r6c3r7c3r8c2r8c3|13,r4c5r4c6|14,r0c6r0c7|7,r5c4r6c4|11,r3c0r3c1|14,r7c4r8c4|13,r4c7r4c8|5,r0c3r1c3|4,r6c0r7c0|23,r2c2r2c3r3c2r3c3|8,r7c5r8c5|12,r4c0r5c0|13,r1c5r1c6|6,r7c1r7c2|21,r2c8r3c6r3c7r3c8", "solution": "463172958981456732275893614834625179726319485519748326158934267342567891697281543", "extra": "{\"grid_size\": 9, \"puzzle_number\": 781, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 782, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-09-15", "puzzle": 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"14,r7c5r8c5|9,r5c7r5c8|15,r2c5r2c6r3c6|7,r7c2r7c3|10,r4c2r4c3|44,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1|6,r5c0r6c0|13,r1c8r2c8|10,r6c7r7c6r7c7|14,r4c6r4c7|17,r0c5r0c6|19,r5c2r6c2r6c3|18,r3c0r3c1r4c0|32,r6c8r7c8r8c6r8c7r8c8|8,r3c8r4c8|13,r0c3r0c4r1c3|14,r6c4r7c4|21,r2c2r2c3r3c2r3c3|10,r8c1r8c2|12,r4c1r5c1r6c1|13,r1c4r1c5r1c6|16,r5c5r5c6r6c5r6c6|6,r2c4r3c4|4,r8c3r8c4|25,r3c5r4c4r4c5r5c3r5c4|7,r0c7r0c8r1c7|17,r7c0r7c1r8c0|11,r2c7r3c7", "solution": "326758914897134625451926738935641287642873591178592463519287346783469152264315879", "extra": "{\"grid_size\": 9, \"puzzle_number\": 783, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 784, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-09-16", "puzzle": 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"5,r7c0r8c0|18,r4c0r4c1r4c2|17,r0c3r1c3|6,r8c7r8c8|6,r6c0r6c1|11,r1c8r2c8|20,r0c5r0c6r1c6r1c7|11,r7c1r8c1|5,r4c5r4c6|6,r0c4r1c4|16,r6c3r6c4|12,r3c0r3c1|10,r0c7r0c8|15,r7c2r8c2|9,r5c0r5c1|11,r2c0r2c1|7,r6c5r7c5|9,r2c2r3c2|12,r0c0r1c0|6,r7c3r8c3|12,r5c2r6c2|7,r2c3r2c4|6,r6c6r6c7|17,r3c4r3c5|9,r0c1r1c1|8,r7c4r8c4|16,r3c3r4c3r4c4r5c3|8,r1c5r2c5|11,r6c8r7c8|44,r3c6r3c7r3c8r4c7r4c8r5c6r5c7r5c8|6,r0c2r1c2|30,r7c6r7c7r8c5r8c6|8,r5c4r5c5|11,r2c6r2c7", "solution": "435827691861943257927615834752189346693574182184362579518796423349251768276438915", "extra": "{\"grid_size\": 9, \"puzzle_number\": 789, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 790, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-09-18", "puzzle": "32,r3c4r3c5r4c4r5c3r5c4|19,r1c2r2c2r2c3|6,r7c0r8c0|10,r3c2r4c2|10,r0c0r0c1r0c2|8,r5c7r6c7|9,r1c4r2c4|42,r5c2r6c0r6c1r6c2r7c1r7c2r8c1|3,r3c3r4c3|16,r1c0r1c1|15,r5c8r6c8|6,r1c5r2c5|24,r7c5r8c2r8c3r8c4r8c5|10,r4c5r5c5|30,r0c3r0c4r0c5r0c6r1c3|14,r6c3r7c3|8,r2c0r3c0|10,r7c7r7c8|5,r4c6r5c6|33,r0c7r1c6r1c7r2c6r2c7r2c8r3c6|6,r6c4r7c4|13,r2c1r3c1|19,r8c6r8c7r8c8|16,r4c0r4c1r5c0r5c1|6,r0c8r1c8|12,r6c5r6c6r7c6|23,r3c7r3c8r4c7r4c8", "solution": "361892745798435621254761893683279154927154368415386279879523416136947582542618937", "extra": "{\"grid_size\": 9, \"puzzle_number\": 790, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 791, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-09-18", "puzzle": 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"13,r7c5r8c5r8c6|14,r4c0r4c1r5c0|12,r0c7r1c7|8,r7c0r7c1|8,r2c7r3c7|11,r0c2r0c3|14,r5c7r5c8r6c8|27,r0c8r1c8r2c8r3c8|9,r7c2r7c3|15,r4c3r5c3|9,r0c4r0c5r1c4|14,r5c1r6c0r6c1|10,r2c5r2c6|35,r6c6r6c7r7c6r7c7r7c8r8c7r8c8|13,r4c4r4c5r5c4|18,r0c0r0c1r1c0|5,r5c2r6c2|10,r2c0r3c0|27,r8c0r8c1r8c2r8c3|5,r3c6r4c6|26,r1c1r1c2r1c3r2c1r2c2r3c1|13,r6c3r6c4|25,r2c3r2c4r3c2r3c3r4c2|11,r7c4r8c4|11,r4c7r4c8|12,r0c6r1c5r1c6|17,r5c5r5c6r6c5|13,r3c4r3c5", "solution": "958316247416527389723894615392158476675942138184673592241769853537281964869435721", "extra": "{\"grid_size\": 9, \"puzzle_number\": 793, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 794, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-09-19", "puzzle": "17,r5c6r6c6r6c7r7c7|23,r1c2r1c3r2c3r2c4|28,r3c7r4c6r4c7r4c8r5c7|9,r0c2r0c3|20,r5c8r6c8r7c8r8c7r8c8|30,r0c5r0c6r1c5r1c6r2c5r3c5|35,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|6,r0c0r1c0|9,r7c0r8c0|20,r1c7r2c6r2c7r3c6|22,r5c2r6c0r6c1r6c2|13,r0c1r1c1|3,r7c1r8c1|24,r0c7r0c8r1c8r2c8r3c8|25,r6c3r6c4r7c2r7c3|4,r0c4r1c4|12,r7c4r8c4|23,r3c3r3c4r4c3r5c3r5c4|34,r5c5r6c5r7c5r7c6r8c5r8c6|20,r2c0r2c1r2c2r3c2|15,r8c2r8c3|13,r4c4r4c5", "solution": "197234865543816279862579431784951623231467598956328147475192386618743952329685714", "extra": "{\"grid_size\": 9, \"puzzle_number\": 794, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 795, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-20", "puzzle": 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"11,r4c3r5c2r5c3|26,r0c7r0c8r1c7r2c7r3c7|11,r7c2r8c2|26,r3c0r3c1r4c0r4c1|22,r0c1r0c2r1c2r2c2|6,r5c5r6c5|14,r1c1r2c1|8,r7c3r8c3|5,r3c2r4c2|9,r0c0r1c0r2c0|17,r5c0r6c0r7c0|12,r2c4r2c5r2c6|23,r7c4r7c5r8c4r8c5|13,r3c4r4c4r5c4|19,r0c3r0c4r1c3r1c4|15,r6c2r6c3r6c4|21,r1c8r2c8r3c8|6,r6c8r7c8r8c8|12,r4c6r5c6|10,r0c5r1c5|9,r6c7r7c7|16,r2c3r3c3|30,r6c6r7c6r8c6r8c7|21,r4c7r4c8r5c7r5c8|6,r0c6r1c6|23,r5c1r6c1r7c1r8c0r8c1|14,r3c5r3c6r4c5", "solution": "417368295365192487289754316654927138871436529932581764726815943143679852598243671", "extra": "{\"grid_size\": 9, \"puzzle_number\": 796, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 797, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-09-20", "puzzle": 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"12,r5c6r6c6|13,r1c3r2c3|17,r7c4r8c4|37,r3c0r3c1r4c0r4c1r4c2r5c1r5c2|11,r0c1r0c2r1c1r1c2|18,r5c7r6c7r6c8r7c7|8,r1c4r2c4|5,r7c8r8c8|33,r3c3r4c3r4c4r5c3r5c4r5c5r6c5|22,r0c3r0c4r0c5r1c5|27,r6c1r6c2r7c1r7c2r7c3|19,r2c5r2c6r2c7r3c7|12,r4c8r5c8|11,r0c7r0c8|30,r7c5r7c6r8c5r8c6r8c7|18,r1c8r2c8r3c8|5,r5c0r6c0|27,r0c0r1c0r2c0r2c1|12,r7c0r8c0r8c1|13,r2c2r3c2|10,r6c3r6c4|16,r0c6r1c6r1c7|6,r8c2r8c3|23,r3c4r3c5r3c6r4c5r4c6r4c7", "solution": "851346729423579186967812534136754298749628315285931467392465871578193642614287953", "extra": "{\"grid_size\": 9, \"puzzle_number\": 799, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 800, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-09-21", "puzzle": 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"8,r7c6r8c6|14,r4c4r4c5r5c4|15,r0c8r1c8|5,r6c0r7c0|11,r3c5r3c6r3c7|13,r0c3r0c4r0c5|20,r7c7r7c8r8c7r8c8|11,r5c1r6c1|20,r0c2r1c1r1c2r2c0r2c1|21,r7c1r7c2r8c2|18,r3c0r4c0r5c0|15,r0c6r0c7|14,r5c2r6c2|7,r2c5r2c6|23,r6c4r7c4r7c5|12,r3c1r4c1|17,r0c0r0c1r1c0|8,r5c3r6c3r7c3|12,r1c7r2c7r2c8|5,r8c0r8c1|24,r4c6r4c7r5c7|10,r1c3r1c4|22,r5c5r5c6r6c5r6c6|27,r2c2r2c3r2c4r3c2r4c2|14,r8c3r8c4r8c5|10,r3c8r4c8r5c8|3,r1c5r1c6|10,r6c7r6c8|16,r3c3r3c4r4c3", "solution": "532841967964732158718695234873954612451276893629318475295183746387469521146527389", "extra": "{\"grid_size\": 9, \"puzzle_number\": 804, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 805, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-09-23", "puzzle": 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"14,r4c8r5c8r6c8|13,r1c1r2c1|21,r7c2r7c3r8c3r8c4|33,r4c4r4c5r5c5r5c6r6c6r7c6r8c6|11,r0c0r0c1r0c2|31,r6c0r6c1r6c2r7c1r8c1r8c2|13,r1c2r2c2r3c2|24,r7c7r7c8r8c7r8c8|23,r2c6r2c7r3c6r4c6|16,r0c3r0c4r1c3r1c4r2c4|14,r6c4r6c5|12,r3c0r3c1|15,r3c7r4c7|26,r0c5r1c5r1c6r2c5|3,r5c7r6c7|6,r2c3r3c3|9,r5c0r5c1|35,r0c6r0c7r0c8r1c7r1c8r2c8r3c8|10,r7c4r7c5r8c5|12,r3c4r3c5|35,r4c2r4c3r5c2r5c3r5c4r6c3|10,r1c0r2c0|5,r7c0r8c0|14,r4c0r4c1", "solution": "425368791968417235173529864842193576591672483637845129754986312389251647216734958", "extra": "{\"grid_size\": 9, \"puzzle_number\": 808, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 809, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-09-24", "puzzle": "17,r8c4r8c5r8c6|9,r5c2r5c3|12,r1c3r2c3|20,r6c1r7c1r8c1|15,r2c5r3c5|24,r0c0r0c1r1c0r1c1|16,r7c7r7c8r8c7r8c8|12,r5c5r5c6r6c5|16,r1c4r1c5r2c4|10,r6c2r7c2r8c2|8,r3c7r3c8|15,r0c2r0c3r0c4r0c5|14,r4c7r5c7|17,r2c6r2c7r2c8|7,r7c3r8c3|12,r4c1r4c2r5c1|15,r0c6r0c7r0c8|18,r4c8r5c8r6c8|17,r2c0r3c0r4c0r5c0|9,r7c4r7c5|16,r4c4r4c5r5c4|13,r1c6r1c7r1c8|15,r6c3r6c4|10,r3c1r3c2|17,r6c6r6c7r7c6|5,r3c6r4c6|14,r1c2r2c1r2c2|15,r6c0r7c0r8c0|17,r3c3r3c4r4c3", "solution": "785361492634892157219457836546928371173645289928173564391784625457236918862519743", "extra": "{\"grid_size\": 9, \"puzzle_number\": 809, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 810, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-09-25", "puzzle": 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"9,r7c6r7c7|6,r3c8r4c8|8,r1c5r1c6|11,r6c0r7c0|12,r2c4r3c4|28,r0c1r0c2r0c3r1c3r2c3|11,r7c8r8c8|11,r5c1r5c2r5c3|14,r2c2r3c2|21,r6c1r6c2r6c3r7c1|14,r3c5r3c6r3c7|18,r0c5r0c6r0c7r0c8|23,r8c0r8c1r8c2r8c3|12,r5c4r6c4|16,r1c7r2c5r2c6r2c7|8,r5c6r6c6|13,r4c0r5c0|7,r0c0r1c0|30,r6c5r7c5r8c5r8c6r8c7|26,r3c3r4c3r4c4r4c5r5c5|15,r1c8r2c8|7,r7c2r7c3|6,r4c1r4c2|7,r1c1r1c2|14,r5c7r6c7|12,r2c0r3c0|5,r7c4r8c4|14,r4c6r4c7|14,r0c4r1c4|8,r5c8r6c8|5,r2c1r3c1", "solution": "179462835643581729528379146736854912915723684482196357864237591391645278257918463", "extra": "{\"grid_size\": 9, \"puzzle_number\": 813, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 812, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-09-25", "puzzle": "14,r8c0r8c1r8c2|10,r5c1r5c2|15,r0c5r1c5r1c6|10,r7c0r7c1|5,r3c6r3c7|7,r0c3r0c4|9,r8c4r8c5|25,r3c4r3c5r4c4r5c3r5c4|9,r1c7r1c8|14,r7c2r7c3r8c3|10,r2c8r3c8|17,r0c6r0c7r0c8|6,r4c5r5c5|17,r2c4r2c5|15,r6c5r7c4r7c5|12,r3c1r4c1|18,r0c0r0c1r1c0r1c1|19,r4c8r5c8r6c8|7,r2c6r2c7|9,r4c7r5c7|34,r4c6r5c6r6c6r6c7r7c6r8c6|36,r0c2r1c2r2c1r2c2r3c2r4c2|11,r6c1r6c2|13,r2c0r3c0r4c0|17,r7c7r7c8r8c7r8c8|10,r5c0r6c0|14,r1c3r1c4r2c3|8,r6c3r6c4|14,r3c3r4c3", "solution": "528346197479251863316789254295837416837614529164592378983175642641928735752463981", "extra": "{\"grid_size\": 9, \"puzzle_number\": 812, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 814, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-09-26", "puzzle": "15,r3c6r4c5r4c6r5c5|5,r1c8r2c8|16,r7c3r7c4r8c3r8c4|15,r4c2r4c3r5c2|13,r0c3r0c4|21,r5c6r5c7r5c8r6c6|3,r1c1r2c1|24,r7c5r7c6r8c5|22,r2c5r2c6r3c4r3c5r4c4|27,r0c5r0c6r0c7r0c8r1c7|11,r6c4r6c5|30,r0c1r0c2r1c2r2c2r3c2|14,r8c6r8c7|11,r4c0r5c0r6c0|12,r0c0r1c0|16,r6c7r6c8r7c7|22,r2c3r2c4r3c3|5,r7c8r8c8|22,r4c1r5c1r6c1|11,r1c3r1c4|19,r7c0r7c1r8c0r8c1r8c2|18,r2c0r3c0r3c1|6,r5c3r5c4r6c3|11,r1c5r1c6|12,r6c2r7c2|24,r2c7r3c7r3c8r4c7r4c8", "solution": "563491728724835691819672354378954216152786439496213587687329145245168973931547862", "extra": "{\"grid_size\": 9, \"puzzle_number\": 814, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 818, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-09-27", "puzzle": "17,r6c6r6c7r7c6|5,r2c2r2c3|16,r7c7r8c7r8c8|26,r1c8r2c8r3c7r3c8r4c7r4c8|22,r0c0r0c1r0c2r1c0|18,r5c8r6c8r7c8|28,r0c4r0c5r0c6r1c4r2c4r2c5|6,r5c0r5c1|19,r0c3r1c2r1c3|29,r6c0r7c0r7c3r8c0r8c1r8c2r8c3|6,r3c1r3c2|33,r4c2r4c3r4c4r5c2r5c3r5c4r6c3|9,r1c5r1c6|20,r6c4r7c4r8c4|15,r3c3r3c4|23,r4c6r5c5r5c6r5c7|18,r0c7r0c8r1c7r2c7|9,r6c5r7c5|15,r4c0r4c1|23,r6c1r6c2r7c1r7c2|21,r1c1r2c0r2c1r3c0|6,r8c5r8c6|21,r2c6r3c5r3c6r4c5", "solution": "781956342643721859592348671324879165968415723157263498216587934479132586835694217", "extra": "{\"grid_size\": 9, \"puzzle_number\": 818, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 816, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-27", "puzzle": "4,r7c6r8c6|21,r3c7r4c7r4c8r5c8|13,r1c1r2c1|13,r6c4r7c4|9,r2c0r3c0|18,r0c0r0c1r1c0|12,r7c7r8c7|9,r5c1r6c0r6c1|10,r1c2r2c2r3c2|14,r7c0r8c0|4,r2c8r3c8|5,r0c2r0c3|8,r7c8r8c8|8,r5c2r6c2|9,r1c3r2c3|6,r7c1r8c1|21,r3c1r4c0r4c1r5c0|11,r0c5r0c6|25,r5c3r5c4r5c5r6c3r6c5|16,r1c5r2c5|15,r7c2r8c2|20,r3c3r4c2r4c3|19,r0c7r0c8r1c8|15,r5c6r6c6|17,r1c6r2c6r3c6|25,r7c3r7c5r8c3r8c4r8c5|17,r3c5r4c5r4c6|15,r0c4r1c4r2c4r3c4r4c4|14,r5c7r6c7r6c8|12,r1c7r2c7", "solution": "193246587865137294274859631781425963639718425452693718316572849548961372927384156", "extra": "{\"grid_size\": 9, \"puzzle_number\": 816, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 815, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2009-09-26", "puzzle": "7,r5c2r6c2|8,r2c0r2c1|12,r6c4r7c4r8c4|17,r3c5r4c5r4c6|10,r0c5r0c6|11,r5c3r6c3|9,r2c2r2c3|6,r8c0r8c1|7,r4c1r5c1|32,r0c0r0c1r0c2r1c0r1c1r1c2|29,r5c5r5c6r6c5r6c6r7c5r8c5|16,r2c5r2c6r3c6r3c7|11,r8c6r8c7|10,r4c4r5c4|42,r0c3r0c4r1c3r1c4r2c4r3c2r3c3r3c4|26,r6c7r6c8r7c6r7c7|19,r2c7r2c8r3c8|7,r7c8r8c8|24,r4c7r4c8r5c7r5c8|9,r1c5r1c6|9,r7c0r7c1|26,r3c0r3c1r4c0r5c0|12,r6c0r6c1|12,r0c7r0c8r1c7r1c8|21,r7c2r7c3r8c2r8c3|13,r4c2r4c3", "solution": "468953721932761854715482693691248537327695418854317269573829146186534972249176385", "extra": "{\"grid_size\": 9, \"puzzle_number\": 815, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 817, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-09-27", "puzzle": "6,r8c1r8c2|16,r3c6r4c6r4c7|6,r1c5r1c6|20,r7c0r7c1r8c0|18,r2c7r2c8r3c7|12,r0c1r0c2r0c3|10,r8c5r8c6r8c7|9,r3c8r4c8r5c8|13,r0c8r1c7r1c8|10,r7c2r7c3|10,r3c0r4c0r5c0|17,r0c6r0c7|13,r5c1r6c0r6c1|13,r1c3r2c3|16,r7c4r8c3r8c4|15,r4c1r4c2r5c2|19,r0c0r1c0r2c0|16,r5c6r5c7r6c7|13,r2c5r2c6|12,r6c6r7c6r7c7|17,r3c3r4c3|16,r1c1r1c2r2c2|8,r6c2r6c3|13,r2c1r3c1r3c2|21,r6c8r7c8r8c8|9,r4c5r5c5|6,r0c4r0c5r1c4|15,r6c5r7c5|36,r2c4r3c4r3c5r4c4r5c3r5c4r6c4", "solution": "653421987987635142421798536765814293234957861198362475316289754579146328842573619", "extra": "{\"grid_size\": 9, \"puzzle_number\": 817, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 820, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-09-28", "puzzle": "15,r4c8r5c7r5c8|11,r0c8r1c8|16,r7c0r8c0r8c1|8,r2c3r3c3|14,r0c6r0c7|28,r5c0r5c1r6c0r6c1r7c1|24,r1c4r2c4r3c4r3c5r4c4|17,r7c3r8c2r8c3|16,r4c1r4c2r5c2|12,r0c0r0c1r1c0r1c1|9,r6c7r6c8|21,r2c5r2c6r3c6r3c7r3c8|21,r4c5r4c6r4c7|17,r0c2r1c2|8,r6c2r7c2|14,r1c7r2c7r2c8|8,r4c3r5c3r6c3|21,r0c3r0c4r1c3|28,r7c4r7c5r8c4r8c5r8c6r8c7|19,r2c0r3c0r4c0|19,r5c4r5c5r5c6r6c4r6c5|12,r0c5r1c5r1c6|32,r6c6r7c6r7c7r7c8r8c8|15,r2c1r2c2r3c1r3c2", "solution": "219753684368914527457268139921687453683425791745139268596341872132876945874592316", "extra": "{\"grid_size\": 9, \"puzzle_number\": 820, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 819, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-28", "puzzle": "12,r7c7r7c8|10,r4c5r5c5|11,r1c4r1c5|14,r6c0r7c0|3,r2c2r3c2|8,r0c0r0c1|14,r8c0r8c1r8c2|16,r3c7r3c8r4c6r4c7|20,r1c6r1c7r2c7|10,r6c4r6c5r7c5|13,r3c4r4c4r5c4|11,r0c4r0c5|15,r8c3r8c4|23,r5c2r5c3r6c2r6c3|11,r1c3r2c3r2c4|9,r6c1r7c1r7c2|22,r2c5r2c6r3c5r3c6|17,r0c6r0c7r0c8|10,r8c7r8c8|8,r5c6r6c6|4,r1c8r2c8|12,r7c3r7c4|30,r4c1r4c2r5c0r5c1|11,r1c0r1c1|10,r5c7r6c7|13,r2c0r3c0r4c0|13,r7c6r8c5r8c6|11,r3c3r4c3|12,r0c2r0c3r1c2|19,r4c8r5c8r6c8|13,r2c1r3c1", "solution": "174583926653429871892167453241978365389256147765314298928735614516842739437691582", "extra": "{\"grid_size\": 9, \"puzzle_number\": 819, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 823, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-09-29", "puzzle": "14,r6c1r6c2|29,r1c1r2c0r2c1r2c2r2c3|16,r7c8r8c6r8c7r8c8|26,r3c6r3c7r3c8r4c5r4c6|15,r0c0r0c1r0c2r1c0|30,r6c5r6c6r6c7r6c8r7c7|12,r2c6r2c7|7,r4c7r5c6r5c7|14,r0c4r0c5r0c6|13,r6c0r7c0r8c0|11,r2c5r3c5|13,r4c8r5c8|34,r0c3r1c2r1c3r1c4r1c5r2c4|17,r7c1r7c2r8c1|11,r3c0r4c0|8,r5c3r6c3|6,r0c7r1c6r1c7|27,r6c4r7c3r7c4r7c5r7c6r8c5|9,r3c1r3c2r4c1|25,r3c3r3c4r4c4r5c4r5c5|19,r0c8r1c8r2c8|16,r8c2r8c3r8c4|33,r4c2r4c3r5c0r5c1r5c2", "solution": "635742819174589236928316754812495367367821945549673128486237591793154682251968473", "extra": "{\"grid_size\": 9, \"puzzle_number\": 823, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 821, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-09-28", "puzzle": "16,r5c6r5c7|11,r1c6r1c7|25,r5c8r6c7r6c8r7c8r8c8|25,r4c0r4c1r5c0r5c1|8,r0c1r0c2r1c1|9,r6c0r6c1r7c0|18,r2c2r2c3r2c4|18,r8c0r8c1r8c2r8c3|16,r3c7r3c8r4c7r4c8|20,r0c5r0c6r0c7r0c8|24,r6c4r6c5r6c6|14,r1c8r2c7r2c8|14,r7c7r8c6r8c7|15,r4c2r5c2r6c2|25,r0c0r1c0r2c0r2c1r3c0|16,r7c1r7c2|8,r3c1r3c2|4,r5c3r6c3|17,r0c3r1c2r1c3|19,r7c3r7c4r8c4|11,r2c5r3c5|35,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|16,r0c4r1c4r1c5|11,r7c5r7c6r8c5|10,r2c6r3c6r4c6", "solution": "921675384357418296486932517162789453798543162543126978614397825279854631835261749", "extra": "{\"grid_size\": 9, \"puzzle_number\": 821, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 822, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-29", "puzzle": "12,r8c3r8c4|6,r5c2r5c3|13,r0c5r1c5|24,r6c0r6c1r7c0r8c0|19,r3c4r3c5r3c6r3c7|15,r0c1r0c2r1c1|26,r6c6r7c6r8c6r8c7|21,r5c4r5c5r5c6r5c7|17,r0c8r1c8|16,r7c3r7c4|31,r3c0r3c1r4c0r5c0r5c1|6,r0c3r0c4|22,r2c8r3c8r4c8r5c8r6c8|21,r1c2r2c2r2c3|5,r7c5r8c5|6,r4c1r4c2|18,r0c6r0c7r1c6r2c6|13,r6c2r6c3r7c2|10,r2c4r2c5|6,r7c8r8c8|10,r4c3r4c4|17,r0c0r1c0r2c0r2c1|7,r6c4r6c5|3,r1c7r2c7|13,r7c1r8c1r8c2|22,r4c5r4c6r4c7|8,r1c3r1c4|9,r6c7r7c7|9,r3c2r3c3", "solution": "718246359269357418534819627873695142142738596695124783987561234421973865356482971", "extra": "{\"grid_size\": 9, \"puzzle_number\": 822, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 826, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-09-30", "puzzle": "11,r7c7r8c7|8,r3c6r4c6|15,r1c2r2c2|18,r6c0r6c1r7c0|13,r2c4r3c4|22,r0c2r0c3r0c4r0c5|8,r6c8r7c8r8c8|8,r4c7r4c8|10,r1c3r1c4r2c3|12,r6c3r7c3|21,r3c5r4c3r4c4r4c5r5c3|10,r0c6r0c7r0c8|9,r8c0r8c1r8c2|10,r5c0r5c1|7,r1c5r2c5|12,r6c5r7c4r7c5|13,r3c7r3c8|9,r0c0r1c0r2c0|26,r8c3r8c4r8c5r8c6|11,r5c4r6c4|14,r1c8r2c7r2c8|13,r6c6r7c6|11,r4c0r4c1|15,r0c1r1c1|4,r5c5r5c6|13,r2c1r3c0r3c1|18,r6c2r7c1r7c2|12,r4c2r5c2|21,r1c6r1c7r2c6|21,r5c7r5c8r6c7|10,r3c2r3c3", "solution": "582479316179635482346182957813756249927841635465293178751924863698317524234568791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 826, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 825, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-09-30", "puzzle": "11,r6c8r7c7r7c8|13,r3c8r4c8|7,r0c4r1c4|13,r6c1r6c2r7c2|7,r2c3r3c3|14,r0c2r0c3|15,r8c0r8c1|16,r4c1r5c0r5c1|8,r1c5r1c6|18,r6c6r6c7r7c6|16,r2c4r3c4|16,r0c5r0c6|5,r8c2r8c3|5,r4c2r5c2|3,r0c7r1c7|15,r6c0r7c0r7c1|7,r2c5r3c5|12,r0c0r1c0r2c0|8,r6c4r7c4r8c4|17,r5c3r5c4r5c5|19,r0c8r1c8r2c8|13,r6c3r7c3|13,r3c0r4c0|11,r0c1r1c1|5,r8c5r8c6|10,r4c6r5c6|19,r2c1r2c2r3c1r3c2|17,r6c5r7c5|15,r4c3r4c4r4c5|9,r1c2r1c3|15,r8c7r8c8|13,r4c7r5c7r5c8|20,r2c6r2c7r3c6r3c7", "solution": "246837915978145326153296748829571634561483279734962851417628593385719462692354187", "extra": "{\"grid_size\": 9, \"puzzle_number\": 825, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 824, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-09-29", "puzzle": "17,r5c2r6c1r6c2r6c3|11,r1c8r2c8|10,r8c1r8c2|17,r4c6r4c7r5c7|21,r0c2r0c3r0c4r1c3|12,r6c6r6c7r7c6|13,r2c2r2c3r3c2|13,r8c3r8c4|9,r3c8r4c8|30,r0c5r0c6r0c7r0c8r1c7|9,r5c8r6c8|27,r1c6r2c5r2c6r3c6|5,r8c5r8c6|13,r4c1r4c2r5c1|6,r0c0r0c1r1c0|7,r7c2r7c3|26,r2c0r3c0r3c1r4c0|32,r4c4r4c5r5c4r5c5r5c6r6c5|20,r1c1r1c2r2c1|9,r6c4r7c4r7c5|9,r2c7r3c7|30,r5c0r6c0r7c0r7c1r8c0|13,r1c4r1c5r2c4|25,r7c7r7c8r8c7r8c8|21,r3c3r3c4r3c5r4c3r5c3", "solution": "328649751169375482754218639587132964631794825492856173815927346273461598946583217", "extra": "{\"grid_size\": 9, \"puzzle_number\": 824, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 828, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-01", "puzzle": "23,r7c5r7c6r8c6|18,r5c7r5c8r6c7r7c7|10,r0c6r1c6|5,r6c0r7c0|8,r2c5r3c5|18,r0c0r0c1r1c0r2c0|10,r8c7r8c8|16,r5c2r6c2|14,r1c1r2c1|12,r6c8r7c8|11,r2c6r3c6r3c7|6,r0c3r0c4r0c5|9,r5c3r6c3|14,r1c7r2c7|13,r8c0r8c1|31,r3c0r4c0r4c1r4c2r4c3|17,r0c7r0c8r1c8r2c8|14,r5c4r6c4|8,r2c2r3c1r3c2|13,r7c2r7c3r8c2|26,r3c8r4c5r4c6r4c7r4c8|10,r0c2r1c2|11,r5c5r6c5|15,r2c3r3c3|17,r7c4r8c3r8c4r8c5|16,r5c0r5c1r6c1r7c1|19,r1c3r1c4r1c5|3,r5c6r6c6|18,r2c4r3c4r4c4", "solution": "468132795752946381193875462841793526935621847627584139319467258276358914584219673", "extra": "{\"grid_size\": 9, \"puzzle_number\": 828, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 827, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-09-30", "puzzle": "20,r5c5r5c6r6c5r6c6|24,r1c0r2c0r3c0|11,r8c7r8c8|27,r3c4r4c3r4c4r4c5r5c4|3,r0c0r0c1|19,r5c8r6c8r7c8|25,r2c2r2c3r3c2r3c3|32,r4c7r4c8r5c7r6c7r7c7|7,r0c2r0c3|37,r6c0r7c0r7c1r7c2r8c0r8c1r8c2|8,r2c5r3c5|16,r5c0r5c1r6c1|12,r1c2r1c3|18,r6c4r7c3r7c4r8c3r8c4|16,r2c6r3c6r4c6|7,r4c2r5c2r6c2|31,r0c4r0c5r1c4r1c5r2c4|13,r7c5r7c6|9,r2c7r3c7r3c8|8,r5c3r6c3|32,r0c6r0c7r0c8r1c6r1c7r1c8r2c8|5,r8c5r8c6|25,r1c1r2c1r3c1r4c0r4c1", "solution": "213485976865793412947162853758946231192837645634251798571629384429318567386574129", "extra": "{\"grid_size\": 9, \"puzzle_number\": 827, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 829, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-01", "puzzle": "21,r4c4r5c4r6c4|25,r1c7r1c8r2c6r2c7r2c8|7,r6c6r7c6|8,r3c2r4c2r5c2|45,r0c0r0c1r0c2r0c3r0c4r0c5r0c6r0c7r0c8|14,r4c5r5c5r6c5|8,r3c0r3c1|15,r7c7r7c8r8c8|14,r3c6r4c6r5c6|13,r1c2r1c3|25,r5c7r5c8r6c7r6c8|10,r2c3r3c3|15,r8c1r8c2|5,r4c7r4c8|10,r1c5r1c6|15,r7c0r7c1r8c0|8,r2c5r3c5|8,r8c3r8c4r8c5|16,r5c0r5c1r6c0r6c1|23,r1c0r1c1r2c0r2c1r2c2|12,r6c2r7c2|13,r3c7r3c8|11,r8c6r8c7|15,r4c3r5c3r6c3|15,r1c4r2c4r3c4|18,r7c3r7c4r7c5|16,r4c0r4c1", "solution": "536429871178536429942781536621347985793658214854192367215874693487963152369215748", "extra": "{\"grid_size\": 9, \"puzzle_number\": 829, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 831, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-02", "puzzle": "26,r6c7r7c7r7c8r8c8|3,r5c2r5c3|21,r0c7r0c8r1c7r1c8|13,r5c8r6c8|11,r2c7r2c8r3c7|4,r0c0r0c1|6,r8c0r8c1|13,r4c4r5c4|14,r1c2r2c2|6,r7c0r7c1|5,r3c8r4c8|33,r0c2r0c3r0c4r1c3r1c4r2c3|20,r8c3r8c4r8c5|12,r4c5r5c5|6,r2c4r2c5|17,r6c2r7c2r8c2|9,r4c1r5c1|16,r0c5r0c6|6,r7c6r8c6r8c7|23,r5c6r5c7r6c6|23,r2c0r3c0r4c0|11,r7c3r7c4|9,r3c3r4c3|9,r1c0r1c1|21,r5c0r6c0r6c1|21,r2c1r3c1r3c2r4c2|10,r6c5r7c5|5,r4c6r4c7|19,r1c5r1c6r2c6r3c6|4,r6c3r6c4|9,r3c4r3c5", "solution": "314689752279531486685724913942863571867195324531247698796312845153478269428956137", "extra": "{\"grid_size\": 9, \"puzzle_number\": 831, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 830, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-10-01", "puzzle": "10,r6c0r7c0|13,r1c5r1c6r1c7r2c7|9,r8c0r8c1|21,r2c0r3c0r4c0r5c0|24,r0c0r0c1r0c2r1c2r2c2|17,r6c2r6c3|10,r2c3r2c4r3c4|21,r8c2r8c3r8c4r8c5|30,r3c5r4c3r4c4r4c5r5c3|19,r0c3r0c4r0c5r0c6|13,r5c4r6c4r6c5|11,r2c5r2c6|26,r6c6r7c6r8c6r8c7r8c8|12,r3c8r4c8r5c8r6c8|11,r0c7r0c8|14,r6c1r7c1r7c2r7c3|17,r1c8r2c8|19,r4c1r4c2r5c1r5c2|21,r1c0r1c1r2c1r3c1|8,r7c4r7c5|9,r3c2r3c3|4,r5c5r5c6|15,r1c3r1c4|23,r5c7r6c7r7c7r7c8|28,r3c6r3c7r4c6r4c7", "solution": "861259347532784619947316528295461873613578492478923156359847261726135984184692735", "extra": "{\"grid_size\": 9, \"puzzle_number\": 830, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 832, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-02", "puzzle": "8,r5c0r6c0|27,r1c1r2c1r3c1r4c1|18,r7c0r7c1r7c2r8c2r8c3|9,r3c0r4c0|13,r0c7r0c8|14,r5c1r5c2r5c3|13,r2c2r3c2|16,r7c3r7c4r8c4|13,r3c3r4c2r4c3|15,r0c0r0c1r1c0r2c0|9,r6c1r6c2|12,r2c4r2c5|24,r6c5r7c5r7c6r8c5r8c6|10,r3c4r4c4r5c4|26,r0c2r0c3r1c2r1c3r2c3|13,r6c3r6c4|6,r2c6r2c7|18,r6c8r7c8r8c7r8c8|21,r4c5r4c6r5c5|14,r0c4r1c4r1c5|11,r5c6r6c6|19,r3c5r3c6r3c7|16,r8c0r8c1|10,r4c8r5c8|25,r0c5r0c6r1c6r1c7r1c8|22,r4c7r5c7r6c7r7c7|3,r2c8r3c8", "solution": "825671349193425678467893512746539281281764953539218467318946725652387194974152836", "extra": "{\"grid_size\": 9, \"puzzle_number\": 832, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 834, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-03", "puzzle": "4,r7c4r7c5|7,r3c8r4c8r5c8|17,r1c7r1c8r2c8|14,r7c8r8c7r8c8|10,r6c0r6c1|7,r2c6r3c6|3,r0c0r0c1|9,r7c0r8c0|15,r5c0r5c1|11,r2c0r2c1|13,r6c3r6c4|11,r2c7r3c7|21,r0c2r0c3r0c4r0c5|11,r7c1r8c1|11,r4c2r4c3r5c2|18,r1c4r1c5r1c6r2c4|10,r5c5r6c5r6c6|11,r3c0r4c0|21,r0c6r0c7r0c8|9,r7c3r8c3|11,r5c3r5c4|10,r2c2r3c2|15,r6c7r6c8r7c7|9,r3c1r4c1|11,r1c0r1c1|17,r8c4r8c5|14,r4c6r5c6|17,r3c3r3c4|15,r6c2r7c2r8c2|3,r4c4r4c5|12,r1c2r1c3r2c3|13,r7c6r8c6|12,r4c7r5c7|13,r2c5r3c5", "solution": "123954768479268153568137249342896571857321694691745832914672385785413926236589417", "extra": "{\"grid_size\": 9, \"puzzle_number\": 834, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 833, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-10-02", "puzzle": "27,r6c4r6c5r7c2r7c3r7c4|29,r0c5r0c6r0c7r0c8r1c7r1c8r2c8|18,r4c3r4c4r5c4|18,r0c2r0c3r0c4r1c4|30,r6c1r6c2r7c1r8c0r8c1r8c2r8c3|29,r2c0r3c0r3c1r4c0r4c1r5c0r5c1|23,r3c8r4c8r5c8r6c8|5,r0c0r1c0|15,r7c5r8c4r8c5|6,r2c4r3c4|31,r5c5r5c6r6c6r6c7r7c6r8c6|22,r0c1r1c1r2c1|20,r7c7r7c8r8c7r8c8|33,r2c6r3c5r3c6r4c5r4c6|6,r5c3r6c3|25,r1c2r1c3r2c2r2c3|20,r2c7r3c7r4c7r5c7|14,r6c0r7c0|13,r1c5r1c6r2c5|21,r3c2r3c3r4c2r5c2", "solution": "498176253175923684263854971642315897359687412817249536531492768926738145784561329", "extra": "{\"grid_size\": 9, \"puzzle_number\": 833, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 836, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-10-03", "puzzle": "11,r6c1r7c1|32,r1c7r1c8r2c7r2c8r3c7r4c7|42,r4c3r4c4r5c3r5c4r6c3r6c4r7c4|25,r0c4r0c5r0c6r0c7r0c8r1c6|23,r5c2r6c2r7c2r7c3r8c3r8c4|15,r3c0r3c1|21,r5c5r5c6r6c5|9,r0c0r1c0|36,r6c6r7c6r7c7r7c8r8c6r8c7r8c8|12,r3c2r3c3r4c2|7,r5c7r6c7|33,r0c1r0c2r0c3r1c1r1c2r1c3|7,r8c1r8c2|12,r4c0r4c1r5c0r5c1|9,r5c8r6c8|22,r2c0r2c1r2c2r2c3|16,r7c5r8c5|22,r3c4r3c5r3c6r4c5r4c6|18,r6c0r7c0r8c0|23,r1c4r1c5r2c4r2c5r2c6|10,r3c8r4c8", "solution": "589643271432571869671892435967215384253784916148936752395468127824157693716329548", "extra": "{\"grid_size\": 9, \"puzzle_number\": 836, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 835, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-10-03", "puzzle": "24,r6c0r6c1r6c2r6c3r6c4|13,r0c8r1c8|16,r7c1r8c1r8c2|19,r3c2r3c3r4c2|32,r0c1r0c2r0c3r1c2r1c3|12,r6c5r6c6|7,r1c1r2c1|21,r7c4r8c3r8c4|24,r4c3r4c4r4c5|15,r0c4r0c5r1c4|14,r6c7r7c7|10,r2c2r2c3|19,r7c5r7c6r8c5r8c6r8c7|14,r4c6r5c5r5c6|10,r0c6r0c7r1c7|11,r7c0r8c0|27,r2c4r2c5r2c6r2c7r2c8|24,r4c0r5c0r5c1r5c2r5c3r5c4|8,r0c0r1c0r2c0|9,r7c2r7c3|12,r3c0r3c1r4c1|17,r4c7r5c7r5c8|13,r1c5r1c6|9,r6c8r7c8r8c8|25,r3c4r3c5r3c6r3c7r3c8r4c8", "solution": "197386524428517639356429817839654172214978356765132948943265781582791463671843295", "extra": "{\"grid_size\": 9, \"puzzle_number\": 835, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 837, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-04", "puzzle": "16,r6c6r6c7r7c6|9,r5c0r5c1|17,r0c5r1c5|11,r8c5r8c6|19,r6c0r6c1r6c2|5,r2c0r3c0|3,r0c2r0c3|14,r7c7r7c8r8c7r8c8|6,r4c2r5c2|14,r0c6r1c6r2c6|11,r6c4r6c5|16,r3c1r3c2|13,r0c7r0c8|9,r7c0r8c0|31,r3c3r3c4r3c5r4c3r4c4r5c3|5,r1c7r1c8|13,r5c8r6c8|9,r3c6r3c7|18,r0c0r0c1r1c0|7,r7c1r8c1|14,r4c5r5c4r5c5|11,r1c3r2c3|10,r6c3r7c3|11,r4c0r4c1|24,r1c1r1c2r2c1r2c2|10,r7c2r8c2|5,r4c6r5c6|4,r2c4r2c5|8,r7c4r7c5|9,r3c8r4c8|11,r0c4r1c4|14,r8c3r8c4|15,r4c7r5c7|13,r2c7r2c8", "solution": "731258649845769123296413785379826451654371298182594367928147536467935812513682974", "extra": "{\"grid_size\": 9, \"puzzle_number\": 837, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 838, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-04", "puzzle": "9,r4c4r5c4|11,r0c6r1c6|36,r6c5r7c4r7c5r8c3r8c4r8c5|22,r2c2r3c2r4c2|17,r0c4r0c5r1c5|29,r4c5r5c5r5c6r6c6r7c6|21,r0c7r1c7r2c7r2c8|29,r7c0r7c1r7c2r7c3r8c0|16,r3c3r3c4r4c3|11,r0c0r1c0|15,r4c8r5c8r6c8|12,r0c8r1c8|4,r8c1r8c2|15,r3c7r3c8r4c7|13,r0c1r1c1|7,r5c0r6c0|5,r2c3r2c4|13,r8c6r8c7r8c8|13,r4c1r5c1|3,r0c2r1c2|9,r6c1r6c2|19,r2c5r2c6r3c5r3c6r4c6|21,r5c2r5c3r6c3r6c4|17,r0c3r1c3r1c4|18,r5c7r6c7r7c7r7c8|20,r2c0r2c1r3c0r3c1r4c0", "solution": "361784529872915643459326187138697254795142368246853791527439816684271935913568472", "extra": "{\"grid_size\": 9, \"puzzle_number\": 838, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 840, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2009-10-05", "puzzle": "15,r7c2r8c2|21,r4c3r4c4r4c5|14,r0c6r1c6|9,r4c6r5c5r5c6|13,r2c4r3c4|25,r0c0r0c1r1c0r2c0|16,r7c3r7c4r7c5|11,r3c7r4c7|10,r1c1r2c1r3c1|8,r6c0r7c0|4,r2c5r3c5|13,r0c4r0c5|15,r7c6r8c5r8c6|14,r3c8r4c8r5c8|11,r2c2r2c3|13,r6c1r7c1|15,r2c6r3c6|11,r0c7r0c8|8,r8c0r8c1|4,r5c2r6c2|8,r1c7r2c7|9,r6c5r6c6|11,r3c0r4c0r5c0|11,r0c2r0c3r1c2|4,r8c3r8c4|9,r5c3r6c3|5,r1c8r2c8|15,r5c7r6c7r7c7|15,r4c1r5c1|15,r1c3r1c4r1c5|26,r6c8r7c8r8c7r8c8|10,r5c4r6c4|17,r3c2r3c3r4c2", "solution": "914267538725438961836591724159643872682975143473182659541826397398754216267319485", "extra": "{\"grid_size\": 9, \"puzzle_number\": 840, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 839, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-10-04", "puzzle": "22,r6c0r6c1r6c2r7c0|7,r1c7r1c8|14,r8c7r8c8|12,r3c6r4c6|9,r0c2r0c3|7,r6c3r6c4|27,r2c6r2c7r3c7r4c7|26,r3c1r4c0r4c1r4c2r5c0r5c1|9,r0c7r0c8|9,r7c1r7c2|21,r2c3r3c2r3c3|29,r4c3r4c4r5c2r5c3r5c4r5c5|24,r0c0r0c1r1c0r2c0r2c1r3c0|7,r6c6r7c6|11,r2c4r3c4|31,r5c6r5c7r6c7r6c8r7c7r7c8|23,r1c1r1c2r1c3r2c2|29,r7c3r8c0r8c1r8c2r8c3|14,r2c5r3c5r4c5|8,r4c8r5c8|32,r0c4r0c5r0c6r1c4r1c5r1c6|26,r6c5r7c4r7c5r8c4r8c5r8c6|8,r2c8r3c8", "solution": "675493281189265734234781596516839472397124865428576913951348627763952148842617359", "extra": "{\"grid_size\": 9, \"puzzle_number\": 839, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 841, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-05", "puzzle": "14,r4c8r5c8|10,r1c3r2c3r3c3|16,r5c7r6c7r6c8|17,r4c1r4c2r5c2|25,r0c0r0c1r1c0r1c1r1c2|13,r5c0r5c1r6c0|12,r1c6r2c6|21,r7c0r8c0r8c1|7,r4c3r5c3|26,r0c2r0c3r0c4r1c4r2c4|5,r5c6r6c6|11,r1c7r2c7|26,r6c3r7c3r8c2r8c3|19,r3c4r4c4r5c4|25,r0c5r0c6r1c5r2c5|4,r6c1r7c1|9,r2c2r3c2|19,r6c4r7c4r8c4r8c5r8c6|6,r3c5r4c5|11,r0c7r0c8r1c8|12,r6c2r7c2|13,r2c8r3c7r3c8|23,r7c6r7c7r7c8r8c7r8c8|13,r3c6r4c6r4c7|18,r2c0r2c1r3c1|19,r5c5r6c5r7c5|11,r3c0r4c0", "solution": "723459861169387524548261793391574682876192345254638179637925418915846237482713956", "extra": "{\"grid_size\": 9, \"puzzle_number\": 841, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 842, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-10-05", "puzzle": "12,r5c7r5c8|31,r1c0r2c0r3c0r3c1r4c0|18,r7c3r8c2r8c3|9,r3c4r4c4|11,r0c0r0c1|16,r6c2r6c3r7c2|16,r1c1r1c2r2c1r2c2|16,r8c4r8c5r8c6|8,r4c7r4c8|45,r0c2r0c3r0c4r0c5r1c3r1c4r1c5r2c5r3c5|10,r6c6r6c7r6c8|17,r2c3r2c4|8,r8c7r8c8|17,r4c1r4c2r5c0r5c1|8,r0c6r0c7|17,r6c0r7c0r8c0r8c1|7,r3c2r3c3r4c3|9,r5c2r5c3|15,r1c6r1c7|13,r6c1r7c1|21,r2c6r3c6r4c5r4c6|25,r5c4r5c5r5c6r6c5|17,r0c8r1c8r2c8|30,r6c4r7c4r7c5r7c6r7c7r7c8|9,r2c7r3c7r3c8", "solution": "389471265421365879576982143764158932938246517152739684693827451245613798817594326", "extra": "{\"grid_size\": 9, \"puzzle_number\": 842, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 844, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-06", "puzzle": "7,r6c6r6c7|12,r1c2r2c2|25,r7c6r7c7r8c6r8c7|10,r3c4r4c4|32,r0c1r0c2r0c3r0c4r0c5r1c3r2c3|11,r6c1r6c2r7c1r7c2|20,r2c4r2c5r2c6|25,r4c8r5c8r6c8r7c8r8c8|16,r4c0r5c0r6c0|14,r0c6r0c7r0c8r1c8|17,r6c3r7c3r8c3|24,r1c7r2c7r2c8r3c8|13,r5c2r5c3|13,r0c0r1c0|13,r7c0r8c0|26,r3c0r3c1r4c1r4c2r5c1|29,r4c5r5c4r5c5r6c4r6c5r7c5r8c5|17,r1c4r1c5r1c6|12,r8c1r8c2|14,r3c2r3c3r4c3|8,r4c7r5c7|9,r1c1r2c0r2c1|10,r7c4r8c4|28,r3c5r3c6r3c7r4c6r5c6", "solution": "574926138819347652263158794127539486386274519495861273951682347732495861648713925", "extra": "{\"grid_size\": 9, \"puzzle_number\": 844, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 843, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-06", "puzzle": "15,r8c5r8c6|22,r5c0r5c1r6c1|25,r0c6r0c7r0c8r1c7|17,r6c8r7c8|13,r2c7r3c7r3c8|14,r0c0r0c1|3,r8c7r8c8|14,r5c2r5c3r6c2r6c3|16,r1c0r2c0|16,r7c1r8c0r8c1r8c2|6,r3c0r4c0|8,r0c2r0c3|40,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|17,r1c1r2c1r3c1r4c1|14,r7c2r7c3|12,r3c2r4c2|5,r1c2r1c3|5,r6c0r7c0|13,r2c2r2c3|21,r6c4r7c4r8c3r8c4|11,r4c6r5c6|12,r0c4r0c5r1c4r2c4|10,r6c5r6c6|13,r1c8r2c8|8,r7c5r7c6|6,r4c8r5c8|10,r1c5r1c6|18,r4c7r5c7r6c7r7c7|21,r2c5r2c6r3c5r3c6", "solution": "861742593742359186935816427129563874583497261674281935397124658218675349456938712", "extra": "{\"grid_size\": 9, \"puzzle_number\": 843, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 846, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-07", "puzzle": "7,r5c0r6c0r6c1|13,r1c3r2c3|44,r7c0r8c0r8c1r8c2r8c3r8c4r8c5r8c6|21,r3c1r4c0r4c1r5c1|14,r0c7r0c8|19,r5c2r5c3r6c2|24,r1c5r1c6r2c5r2c6|15,r7c1r7c2|13,r4c2r4c3|37,r0c0r0c1r0c2r0c3r0c4r0c5r0c6r1c0|8,r5c6r5c7|10,r2c0r2c1r3c0|15,r6c4r7c4|11,r3c4r4c4r5c4|10,r1c1r1c2|17,r5c8r6c8|6,r2c2r3c2r3c3|9,r6c7r7c7r7c8|19,r3c5r4c5r5c5|11,r1c4r2c4|4,r6c3r7c3|15,r3c6r3c7|8,r8c7r8c8|9,r4c6r4c7r4c8|13,r1c7r1c8r2c7|24,r6c5r6c6r7c5r7c6|9,r2c8r3c8", "solution": "957431286682795431143628795591263874378549162426817359215376948769184523834952617", "extra": "{\"grid_size\": 9, \"puzzle_number\": 846, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 845, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-10-06", "puzzle": "16,r7c4r7c5r8c4|23,r2c2r2c3r3c2r4c2|9,r5c1r5c2|7,r0c2r0c3|28,r6c8r7c6r7c7r7c8r8c7r8c8|20,r2c6r2c7r2c8r3c8|11,r6c3r6c4|26,r0c4r0c5r1c4r1c5|10,r7c3r8c3|5,r3c6r3c7|29,r4c6r4c7r5c5r5c6r6c5r6c6|25,r0c6r0c7r1c6r1c7|9,r8c5r8c6|34,r3c0r3c1r4c0r4c1r5c0r6c0r7c0|28,r4c8r5c7r5c8r6c7|3,r0c8r1c8|24,r3c3r3c4r4c3r4c4r5c3r5c4|40,r6c1r6c2r7c1r7c2r8c0r8c1r8c2|38,r0c0r0c1r1c0r1c1r1c2r1c3r2c0r2c1|20,r2c4r2c5r3c5r4c5", "solution": "524387961981456732637912458795628143142539876863174295216745389379861524458293617", "extra": "{\"grid_size\": 9, \"puzzle_number\": 845, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 850, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-08", "puzzle": "10,r7c0r8c0r8c1r8c2|10,r5c0r6c0|7,r1c1r2c1|5,r5c5r6c5|12,r3c1r3c2|26,r0c0r0c1r0c2r1c0|11,r8c6r8c7|12,r5c1r5c2|14,r2c2r2c3|14,r5c6r6c6r7c6|13,r4c0r4c1r4c2|7,r0c6r0c7|28,r2c8r3c8r4c8r5c8r6c8|19,r0c3r0c4r1c4r2c4|14,r7c2r7c3|27,r3c3r3c4r4c3r4c4r5c3r5c4|8,r1c2r1c3|13,r6c1r7c1|12,r2c5r3c5|15,r7c5r8c5|14,r4c5r4c6|8,r0c5r1c5|8,r6c2r6c3|14,r1c6r2c6r3c6|22,r6c7r7c7r7c8r8c8|11,r3c7r4c7r5c7|19,r0c8r1c7r1c8r2c7|21,r6c4r7c4r8c3r8c4|11,r2c0r3c0", "solution": "728956341931742856546813279657289413184635927293174685865321794479568132312497568", "extra": "{\"grid_size\": 9, \"puzzle_number\": 850, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 849, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-10-08", "puzzle": "4,r7c6r7c7|16,r4c0r5c0r5c1|14,r1c6r1c7|24,r6c6r6c7r6c8r7c8|14,r2c2r3c2r3c3|14,r0c1r0c2r0c3|8,r8c0r8c1|14,r4c2r5c2|7,r0c8r1c8|14,r7c1r7c2|24,r2c4r3c4r4c3r4c4r4c5|18,r0c5r0c6r0c7|28,r8c2r8c3r8c4r8c5r8c6|16,r5c3r5c4r5c5|16,r2c0r2c1r3c0|15,r6c3r7c3|16,r2c6r3c5r3c6|13,r0c0r1c0|9,r8c7r8c8|7,r4c6r5c6|7,r1c3r2c3|6,r6c4r7c4|7,r3c1r4c1|3,r1c1r1c2|13,r4c8r5c7r5c8|6,r1c5r2c5|7,r6c5r7c5|15,r3c7r4c7|13,r0c4r1c4|20,r6c0r6c1r6c2r7c0|17,r2c7r2c8r3c8", "solution": "457268913912375684368491572731549268645182397829637451594813726286754139173926845", "extra": "{\"grid_size\": 9, \"puzzle_number\": 849, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 847, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-07", "puzzle": "27,r7c0r8c0r8c1r8c2r8c3|18,r4c2r5c2r6c2|10,r2c2r3c2|9,r6c4r7c4|20,r2c6r3c6r4c6|10,r0c0r0c1|5,r8c7r8c8|14,r5c3r5c4|9,r1c4r2c4|9,r5c6r6c6|12,r3c7r4c7|29,r0c5r0c6r0c7r0c8r1c8|34,r2c3r3c3r4c3r4c4r4c5r5c5r6c5|9,r1c5r2c5|4,r7c1r7c2|7,r4c0r5c0|23,r1c0r1c1r2c0r2c1|14,r5c7r5c8|13,r2c7r2c8|28,r7c5r7c6r8c4r8c5r8c6|7,r3c8r4c8|25,r0c2r0c3r0c4r1c2r1c3|9,r6c0r6c1|7,r3c0r3c1|21,r6c7r6c8r7c7r7c8|11,r4c1r5c1|3,r1c6r1c7|13,r6c3r7c3|5,r3c4r3c5", "solution": "641279358739658214582341967168723495495816732327594186276935841813462579954187623", "extra": "{\"grid_size\": 9, \"puzzle_number\": 847, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 848, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-10-07", "puzzle": "6,r5c2r5c3|11,r2c6r2c7|10,r6c6r7c5r7c6|7,r3c2r4c2|30,r0c1r0c2r0c3r0c4r1c1|11,r5c4r6c3r6c4|5,r2c3r3c3|27,r5c8r6c7r6c8r7c8r8c8|19,r4c3r4c4r4c5|23,r0c0r1c0r2c0r2c1r3c0|10,r5c5r6c5|10,r2c4r2c5r3c4|33,r7c7r8c4r8c5r8c6r8c7|10,r4c6r5c6|14,r1c2r1c3r2c2|17,r6c1r6c2|17,r3c5r3c6|13,r3c7r4c7r5c7|17,r1c4r1c5|32,r7c0r7c1r7c2r8c0r8c1r8c2r8c3|10,r2c8r3c8r4c8|21,r4c0r5c0r6c0|31,r0c5r0c6r0c7r0c8r1c6r1c7r1c8|11,r7c3r7c4|10,r3c1r4c1r5c1", "solution": "196752438532498617748361295674239851913586724825147369489613572357924186261875943", "extra": "{\"grid_size\": 9, \"puzzle_number\": 848, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 851, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-10-08", "puzzle": "16,r4c8r5c8r6c8r7c8r8c8|16,r1c2r2c2r3c2r4c2|8,r8c3r8c4|20,r5c0r5c1r6c0r7c0r8c0|28,r0c1r0c2r0c3r1c3r2c3|17,r6c1r6c2r6c3r6c4|22,r2c5r2c6r3c5r3c6r4c5|3,r8c6r8c7|14,r5c2r5c3|10,r0c4r0c5|29,r6c6r6c7r7c6r7c7|10,r2c4r3c4|13,r5c4r5c5|38,r0c6r0c7r0c8r1c6r1c7r1c8r2c8|10,r7c1r8c1|13,r2c7r3c7r3c8|17,r4c6r5c6|25,r0c0r1c0r1c1r2c0r2c1|14,r6c5r7c5r8c5|25,r3c0r3c1r4c0r4c1|10,r4c7r5c7|7,r1c4r1c5|25,r7c2r7c3r7c4r8c2|15,r3c3r4c3r4c4", "solution": "287619435961543278354287619649821357872435961135976842528164793413792586796358124", "extra": "{\"grid_size\": 9, \"puzzle_number\": 851, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 852, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-09", "puzzle": "7,r8c7r8c8|11,r4c6r5c6|11,r0c8r1c8|16,r5c8r6c8r7c8|13,r3c6r3c7r3c8|32,r0c1r0c2r1c1r1c2r2c2|12,r4c7r4c8r5c7|9,r2c0r2c1|18,r6c1r6c2r7c1r7c2|12,r3c2r4c2|12,r0c4r0c5|14,r5c0r6c0r7c0|17,r1c4r1c5r2c4|23,r6c5r7c5r7c6r7c7|4,r4c3r4c4|4,r0c0r1c0|12,r5c3r6c3r7c3|18,r3c0r3c1r4c0|10,r8c0r8c1|13,r4c1r5c1r5c2|7,r0c3r1c3|31,r5c4r6c4r7c4r8c4r8c5r8c6|19,r2c3r3c3r3c4|11,r8c2r8c3|15,r4c5r5c5|34,r0c6r0c7r1c6r1c7r2c6r2c7r2c8|14,r6c6r6c7|6,r2c5r3c5", "solution": "154293867398576124726841395673925418549318672281467539862734951437159286915682743", "extra": "{\"grid_size\": 9, \"puzzle_number\": 852, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 854, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-10-09", "puzzle": "11,r8c3r8c4|15,r3c7r4c7|14,r0c8r1c8|13,r5c6r5c7r6c6r6c7|5,r3c0r4c0|15,r0c2r0c3r1c2|15,r7c6r8c5r8c6|7,r4c8r5c8|15,r2c1r2c2r3c1r3c2|14,r7c0r8c0|15,r4c1r5c1|13,r0c4r0c5|12,r5c3r5c4|7,r2c3r2c4|17,r7c1r7c2r8c1r8c2|19,r4c2r5c2r6c2|27,r0c0r0c1r1c0r1c1r2c0|15,r5c0r6c0r6c1|7,r1c5r2c5|13,r7c4r7c5|19,r3c3r4c3r4c4r4c5r5c5|11,r1c3r1c4|12,r6c3r7c3|16,r2c7r2c8r3c8|23,r6c8r7c7r7c8r8c7r8c8|18,r2c6r3c6r4c6|15,r0c6r0c7r1c6r1c7|8,r6c4r6c5|14,r3c4r3c5", "solution": "163749258495382176728615349241568793379124865586937412914853627852476931637291584", "extra": "{\"grid_size\": 9, \"puzzle_number\": 854, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 856, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-10", "puzzle": "13,r8c2r8c3r8c4|16,r4c8r5c8|10,r0c7r1c7|23,r5c0r6c0r7c0r8c0|16,r3c2r3c3|17,r0c0r0c1r1c0|11,r7c8r8c7r8c8|13,r5c5r5c6|20,r0c8r1c8r2c8r3c8|11,r7c1r8c1|11,r3c0r4c0|15,r0c4r0c5r0c6|3,r4c7r5c7|12,r2c0r2c1r2c2|8,r7c2r7c3|16,r4c2r5c1r5c2r5c3|16,r0c2r1c1r1c2|11,r6c1r6c2|19,r2c3r2c4r2c5r3c4|16,r7c4r7c5r8c5|15,r4c3r4c4r4c5|20,r0c3r1c3r1c4|18,r5c4r6c3r6c4r6c5|9,r2c6r2c7|17,r7c6r7c7r8c6|21,r3c5r3c6r3c7r4c6|3,r1c5r1c6|17,r6c6r6c7r6c8|8,r3c1r4c1", "solution": "678524931453961278192387546329718465865492317714635829247159683586273194931846752", "extra": "{\"grid_size\": 9, \"puzzle_number\": 856, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 855, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-10-10", "puzzle": "11,r7c0r8c0|14,r3c3r4c3r5c3|5,r0c5r1c5|6,r8c7r8c8|16,r6c0r6c1r7c1|8,r2c7r2c8|9,r0c1r0c2|3,r7c3r8c3|17,r3c4r4c4r5c4|12,r1c7r1c8|4,r6c2r7c2|12,r3c0r3c1|15,r0c7r0c8|11,r7c4r8c4|15,r4c5r4c6r4c7|13,r1c1r2c0r2c1|9,r6c3r6c4|10,r3c5r3c6r3c7|7,r0c0r1c0|16,r7c5r8c5|9,r5c0r5c1|16,r1c2r2c2|28,r6c5r6c6r7c6r8c6|12,r4c0r4c1|17,r0c3r1c3|9,r7c7r7c8|10,r5c5r5c6r5c7|7,r2c3r2c4|8,r6c7r6c8|12,r3c2r4c2r5c2|12,r0c4r1c4|14,r8c1r8c2|24,r3c8r4c8r5c8|14,r0c6r1c6r2c5r2c6", "solution": "145873296637952184289614735392761458574328619816495327923546871451287963768139542", "extra": "{\"grid_size\": 9, \"puzzle_number\": 855, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 853, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-10-09", "puzzle": "13,r5c4r6c4r6c5|12,r1c2r2c2|10,r8c7r8c8|20,r3c5r4c3r4c4r4c5r5c3|6,r0c0r0c1|11,r6c6r7c6|17,r2c3r2c4r3c4|28,r2c6r2c7r2c8r3c8r4c8|21,r0c2r0c3r1c3|30,r7c0r7c1r7c2r8c0r8c1|6,r1c5r2c5|18,r3c2r3c3r4c2r5c1r5c2|18,r1c0r1c1r2c0r2c1|10,r7c4r8c2r8c3r8c4|20,r3c0r3c1r4c1|10,r4c7r5c7r5c8|21,r0c4r0c5r0c6r1c4|15,r6c7r6c8r7c7r7c8|31,r3c6r3c7r4c6r5c5r5c6|15,r6c3r7c3|26,r0c7r0c8r1c6r1c7r1c8|22,r7c5r8c5r8c6|25,r4c0r5c0r6c0r6c1r6c2", "solution": "159763482374582196268194375836471259795326814412859763923617548547938621681245937", "extra": "{\"grid_size\": 9, \"puzzle_number\": 853, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 857, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-10-10", "puzzle": "3,r8c2r8c3|21,r4c4r4c5r5c4r5c5|10,r0c3r1c3|12,r6c1r7c1|7,r2c5r3c5|11,r0c0r0c1|11,r8c5r8c6|9,r5c0r5c1|10,r0c8r1c8|28,r6c2r7c2r7c3r7c4r8c4|17,r2c6r3c6|24,r0c4r0c5r1c4r1c5r1c6|18,r7c7r7c8r8c7r8c8|10,r5c2r5c3|10,r2c2r2c3|9,r6c5r7c5|12,r2c8r3c8r4c8|28,r0c6r0c7r1c7r2c7r3c7r4c7|16,r4c6r5c6r5c7|11,r2c0r3c0|7,r6c6r7c6|7,r4c0r4c1|9,r1c0r1c1|8,r6c3r6c4|7,r2c1r3c1|24,r6c0r7c0r8c0r8c1|20,r3c2r4c2r4c3|13,r0c2r1c2|20,r5c8r6c7r6c8|13,r2c4r3c3r3c4", "solution": "298143756635987214714652983469715832523869147187324695872531469956478321341296578", "extra": "{\"grid_size\": 9, \"puzzle_number\": 857, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 858, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-11", "puzzle": "20,r5c8r6c8r7c7r7c8|9,r5c4r6c4|11,r0c7r1c7|10,r7c0r8c0|11,r3c2r3c3|16,r0c0r0c1|9,r8c7r8c8|14,r5c5r5c6|15,r0c8r1c8|12,r7c1r8c1|15,r2c4r3c4|24,r1c0r1c1r2c0r3c0|12,r5c7r6c6r6c7|14,r0c4r1c3r1c4r2c3|9,r7c2r8c2|26,r4c0r4c1r4c2r5c0r5c1r5c2|14,r0c2r0c3r1c2|5,r6c0r6c1|14,r2c5r2c6|5,r7c3r8c3|22,r3c5r4c3r4c4r4c5r5c3|10,r0c5r1c5|11,r6c2r6c3|5,r2c7r2c8|17,r7c6r8c5r8c6|30,r3c6r3c7r3c8r4c6r4c7r4c8|9,r0c6r1c6|25,r6c5r7c4r7c5r8c4|11,r2c1r2c2r3c1", "solution": "798514236541326789632879541964782153325941867187635924419268375876153492253497618", "extra": "{\"grid_size\": 9, \"puzzle_number\": 858, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 861, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-12", "puzzle": "12,r7c6r8c6|13,r4c3r4c4r4c5|6,r0c2r1c2|11,r6c0r7c0|19,r3c0r3c1r4c1|15,r0c0r0c1|12,r6c8r7c7r7c8|7,r4c6r5c6|21,r1c3r1c4r2c3r3c3|10,r6c1r6c2|9,r2c4r3c4|4,r0c3r0c4|5,r8c0r8c1|11,r4c0r5c0r5c1|21,r1c5r1c6r1c7|12,r6c6r6c7|15,r2c5r3c5r3c6|15,r0c5r0c6|16,r8c2r8c3|8,r5c2r5c3r6c3|11,r2c1r2c2|18,r7c1r7c2r7c3|16,r3c7r3c8r4c8|7,r0c7r0c8|7,r8c4r8c5|13,r5c4r6c4|7,r2c6r2c7|19,r5c5r6c5r7c4r7c5|14,r3c2r4c2|13,r1c0r1c1r2c0|9,r8c7r8c8|21,r4c7r5c7r5c8|8,r1c8r2c8", "solution": "874139625132564987956278341745826193389715264261493578628341759593687412417952836", "extra": "{\"grid_size\": 9, \"puzzle_number\": 861, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 860, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-10-11", "puzzle": "20,r6c2r6c3r6c4r6c5|11,r1c7r1c8r2c8|9,r7c8r8c8|26,r3c1r3c2r4c1r4c2|16,r0c2r0c3r0c4|18,r5c7r6c7r7c7r8c7|39,r0c0r0c1r1c0r1c1r1c2r2c0r3c0|14,r4c0r5c0r6c0|7,r0c5r0c6|35,r3c7r3c8r4c7r4c8r5c8r6c8|3,r2c1r2c2|18,r5c1r5c2r6c1r7c1|8,r0c7r0c8|8,r7c2r7c3|15,r2c3r3c3r4c3r5c3|17,r4c4r5c4|5,r1c3r1c4|17,r7c0r8c0r8c1|10,r2c4r3c4|21,r4c5r4c6r5c5r5c6r6c6|15,r1c5r1c6|41,r7c4r7c5r7c6r8c2r8c3r8c4r8c5r8c6|32,r2c5r2c6r2c7r3c5r3c6", "solution": "864932517539417862712568493187245639256793184943186275321874956695321748478659321", "extra": "{\"grid_size\": 9, \"puzzle_number\": 860, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 859, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-11", "puzzle": "10,r7c3r7c4|16,r1c1r2c1|34,r4c6r4c7r4c8r5c6r5c7r5c8|6,r0c0r0c1|24,r6c7r6c8r7c7r7c8r8c8|45,r0c4r0c5r1c4r1c5r2c4r2c5r2c6r3c4r3c6|10,r5c1r6c1|43,r0c2r0c3r1c2r1c3r2c2r2c3r3c2r3c3|17,r8c3r8c4r8c5|22,r2c7r2c8r3c7r3c8|26,r4c2r4c3r4c4r5c2r5c3r6c2|27,r0c6r0c7r1c6r1c7|8,r3c5r4c5|10,r6c3r6c4|3,r0c8r1c8|25,r3c0r3c1r4c0r4c1r5c0|36,r6c0r7c0r7c1r7c2r8c0r8c1r8c2|4,r1c0r2c0|39,r5c4r5c5r6c5r6c6r7c5r7c6r8c6r8c7", "solution": "248357961375169842196428357539746128761832594482591673827915436654283719913674285", "extra": "{\"grid_size\": 9, \"puzzle_number\": 859, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 862, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-12", "puzzle": "13,r7c8r8c7r8c8|13,r5c0r5c1r6c0|14,r1c1r2c0r2c1|7,r6c7r7c7|31,r3c6r3c7r3c8r4c7r4c8|25,r0c1r0c2r0c3r1c3|12,r5c2r6c2r7c2|14,r1c2r2c2|20,r7c0r8c0r8c1|11,r4c2r4c3|25,r0c5r0c6r0c7r1c5|12,r6c3r6c4r6c5|26,r2c3r2c4r2c5r3c3r3c5|15,r7c3r8c2r8c3|8,r3c4r4c4|3,r0c0r1c0|17,r5c6r6c6r7c6|8,r1c6r2c6|13,r7c4r8c4|4,r4c5r4c6|11,r0c4r1c4|17,r5c7r5c8r6c8|16,r1c7r2c7r2c8|11,r7c5r8c5r8c6|15,r5c3r5c4r5c5|8,r0c8r1c8|15,r6c1r7c1|21,r3c0r3c1r3c2r4c0r4c1", "solution": "186235947245987361379614582914728635527463198638159274491372856863541729752896413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 862, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 863, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-10-12", "puzzle": "11,r5c7r6c7|15,r0c5r1c5|19,r2c6r2c7r3c5r3c6r4c6|6,r0c1r0c2|11,r6c0r7c0r8c0|22,r0c8r1c6r1c7r1c8r2c8|10,r5c1r6c1|14,r0c6r0c7|20,r6c8r7c8r8c8|28,r3c0r3c1r4c0r4c1r5c0|18,r4c3r5c2r5c3r6c2|32,r0c0r1c0r1c1r1c2r2c0|10,r7c1r7c2r8c1|25,r3c7r3c8r4c7r4c8r5c8|14,r6c3r6c4r6c5|11,r0c3r1c3|44,r7c3r7c4r7c5r8c2r8c3r8c4r8c5r8c6|22,r2c1r2c2r3c2r3c3r4c2|27,r4c5r5c5r5c6r6c6|21,r0c4r1c4r2c3r2c4r2c5r3c4|13,r7c6r7c7r8c7|12,r4c4r5c4", "solution": "524917863793268541816534279987326154165749382432185796378491625641852937259673418", "extra": "{\"grid_size\": 9, \"puzzle_number\": 863, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 864, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-13", "puzzle": "18,r4c8r5c7r5c8|26,r0c4r1c2r1c3r1c4r1c5r1c6|14,r8c1r8c2|14,r2c8r3c7r3c8r4c7|10,r0c0r0c1|7,r6c2r6c3|19,r1c7r1c8r2c7|10,r7c3r8c3|15,r3c2r4c2r5c2|12,r0c2r0c3|9,r6c5r6c6|17,r2c2r2c3|8,r7c5r8c5|26,r4c3r4c4r4c5r5c3r5c4r5c5|7,r0c5r0c6|30,r6c0r6c1r7c0r7c1r7c2r8c0|12,r2c5r2c6|6,r8c6r8c7|19,r3c6r4c6r5c6|10,r0c7r0c8|19,r6c4r7c4r8c4|18,r2c0r3c0r3c1r4c1|13,r4c0r5c0r5c1|13,r1c0r1c1r2c1|32,r6c7r6c8r7c6r7c7r7c8r8c8|21,r2c4r3c3r3c4r3c5", "solution": "827564391645391278139827546268739415593418627714256983951682734372145869486973152", "extra": "{\"grid_size\": 9, \"puzzle_number\": 864, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 865, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-13", "puzzle": "8,r7c8r8c8|14,r3c8r4c7r4c8|9,r0c5r1c5|12,r6c2r7c2|9,r2c0r3c0|6,r0c1r0c2|12,r8c0r8c1r8c2|14,r4c2r5c1r5c2|13,r2c2r2c3|10,r5c3r6c3r6c4|17,r3c1r3c2r3c3|22,r0c3r0c4r1c3r1c4|21,r7c4r7c5r8c4r8c5|20,r5c5r5c6r5c7|10,r2c4r2c5r3c5|13,r6c5r6c6|18,r3c6r3c7r4c6|17,r0c6r0c7r0c8|10,r8c6r8c7|9,r5c8r6c8|5,r1c6r2c6|16,r7c3r8c3|15,r4c0r4c1r5c0|9,r0c0r1c0|12,r6c0r7c0|14,r1c7r2c7|11,r6c7r7c6r7c7|26,r3c4r4c3r4c4r4c5r5c4|15,r1c1r1c2r2c1|9,r6c1r7c1|9,r1c8r2c8", "solution": "351892746629417358748563291286341579593278614174659832865134927437926185912785463", "extra": "{\"grid_size\": 9, \"puzzle_number\": 865, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 867, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-10-14", "puzzle": "7,r7c5r7c6|15,r4c3r4c4r4c5|15,r1c2r1c3|19,r5c0r5c1r6c1r6c2|8,r1c8r2c8|3,r0c2r0c3|9,r7c7r8c7|13,r3c6r4c6r5c5r5c6|12,r0c4r1c4|8,r6c4r6c5|12,r2c0r3c0|15,r0c5r0c6|10,r7c8r8c8|14,r4c7r4c8r5c7|14,r1c5r1c6r1c7|14,r6c6r6c7|15,r2c5r3c4r3c5|8,r0c7r0c8|4,r8c0r8c1|18,r5c3r5c4r6c3|10,r2c1r2c2|20,r7c1r7c2r7c3|16,r3c1r4c0r4c1|7,r0c0r1c0|10,r8c2r8c3|11,r5c8r6c8|6,r2c3r2c4|17,r7c4r8c4|12,r3c2r3c3r4c2r5c2|14,r0c1r1c1|7,r8c5r8c6|15,r6c0r7c0|27,r2c6r2c7r3c7r3c8", "solution": "482176935367859142519423786751248693296735418843961257925317864678594321134682579", "extra": "{\"grid_size\": 9, \"puzzle_number\": 867, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 866, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-10-13", "puzzle": "18,r5c4r5c5r6c4r6c5|29,r0c0r0c1r1c0r1c1r2c1r2c2|24,r7c6r8c5r8c6|17,r4c2r4c3r4c4r4c5r4c6|21,r0c2r0c3r1c2|25,r6c6r6c7r7c7r7c8r8c7r8c8|24,r2c3r2c4r3c3r3c4|10,r5c2r6c2|18,r1c3r1c4r1c5|32,r4c0r5c0r6c0r7c0r8c0|3,r2c0r3c0|9,r5c3r6c3|17,r0c4r0c5r0c6r1c6|25,r5c1r6c1r7c1r8c1|14,r3c1r3c2r4c1|15,r4c7r5c6r5c7|16,r0c7r1c7r2c7r3c7|18,r7c2r8c2r8c3r8c4|9,r2c5r3c5|5,r5c8r6c8|32,r0c8r1c8r2c8r3c8r4c8|12,r7c3r7c4r7c5|12,r2c6r3c6", "solution": "358724619746819532219356478124973856985261347673485291897532164562147983431698725", "extra": "{\"grid_size\": 9, \"puzzle_number\": 866, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 868, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-14", "puzzle": "13,r5c4r5c5|6,r2c1r2c2|11,r7c4r8c4|15,r4c2r4c3|21,r0c1r0c2r0c3r1c2|23,r5c6r6c6r6c7|19,r1c3r2c3r2c4r2c5|18,r7c5r7c6r8c5r8c6|7,r4c4r4c5r4c6|19,r0c0r1c0r1c1|10,r6c1r6c2|11,r3c2r3c3|12,r7c7r8c7r8c8|15,r3c7r4c7r5c7|13,r0c4r1c4|12,r6c3r6c4r6c5r7c3|13,r3c4r3c5|22,r7c2r8c1r8c2r8c3|27,r2c0r3c0r4c0r5c0r6c0|17,r0c5r0c6r1c5r1c6|10,r2c6r2c7r3c6|40,r1c8r2c8r3c8r4c8r5c8r6c8r7c8|4,r5c2r5c3|14,r0c7r0c8r1c7|13,r7c0r7c1r8c0|20,r3c1r4c1r5c1", "solution": "513862794869473512724195638275649183398721456641358927937214865186537249452986371", "extra": "{\"grid_size\": 9, \"puzzle_number\": 868, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 870, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-10-15", "puzzle": "9,r8c0r8c1|17,r4c7r5c7|5,r1c7r1c8|10,r6c2r6c3r6c4|9,r3c7r3c8|39,r0c0r0c1r0c2r1c0r1c1r1c2r2c1r2c2|37,r6c6r6c7r7c6r7c7r7c8r8c6r8c7r8c8|5,r5c0r5c1|14,r2c4r2c5r2c6|13,r7c0r7c1|14,r3c1r4c1|13,r0c7r0c8|16,r5c2r5c3r5c4|14,r2c7r2c8|4,r7c2r7c3|13,r3c2r4c2|9,r0c3r1c3|4,r5c5r6c5|17,r2c0r3c0r4c0|28,r7c4r8c2r8c3r8c4|13,r4c3r4c4r4c5|20,r0c4r0c5r0c6r1c4|15,r4c8r5c8r6c8|8,r2c3r3c3|15,r7c5r8c5|10,r4c6r5c6|13,r1c5r1c6|10,r6c0r6c1|11,r3c4r3c5r3c6", "solution": "235894167974165832618237459397618245856742391142953786463521978581379624729486513", "extra": "{\"grid_size\": 9, \"puzzle_number\": 870, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 869, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-10-14", "puzzle": "11,r5c8r6c7r6c8|24,r2c1r2c2r3c1r3c2|23,r3c7r4c7r4c8r5c7|7,r0c0r0c1|21,r6c0r7c0r7c1|11,r1c6r2c6r3c6|38,r2c3r2c4r3c3r4c3r5c3r6c3r6c4|23,r0c2r0c3r1c2r1c3|21,r7c4r7c5r8c4r8c5|14,r2c7r2c8r3c8|12,r5c4r5c5r6c5|33,r0c6r0c7r0c8r1c7r1c8|4,r8c0r8c1|13,r2c5r3c4r3c5|17,r5c1r5c2r6c1r6c2|13,r1c0r1c1r2c0|26,r7c2r7c3r8c2r8c3|21,r3c0r4c0r4c1r4c2r5c0|16,r5c6r6c6r7c6|17,r0c4r0c5r1c4r1c5|24,r7c7r7c8r8c6r8c7r8c8|16,r4c4r4c5r4c6", "solution": "258631794637249158491785632586317429142958367973426581825164973764893215319572846", "extra": "{\"grid_size\": 9, \"puzzle_number\": 869, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 872, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-10-15", "puzzle": "10,r5c2r5c3r6c2|15,r1c7r1c8|9,r7c0r8c0|12,r2c5r2c6r3c5|25,r0c0r0c1r0c2r1c0r2c0|11,r5c0r6c0|28,r1c1r1c2r1c3r2c1r3c1|10,r7c1r8c1|15,r3c6r3c7r4c7|11,r0c3r0c4r1c4|11,r5c1r6c1|5,r2c7r2c8|15,r7c2r8c2|9,r4c2r4c3|13,r0c5r0c6|27,r5c6r5c7r6c5r6c6r7c5|6,r3c0r4c0r4c1|3,r8c3r8c4|35,r4c4r4c5r4c6r5c4r5c5r6c4|11,r0c7r0c8|21,r6c3r7c3r7c4|25,r2c2r2c3r3c2r3c3|36,r5c8r6c8r7c8r8c5r8c6r8c7r8c8|12,r3c8r4c8|11,r1c5r1c6|8,r6c7r7c6r7c7|11,r2c4r3c4", "solution": "821734956543619278976852341189267435234591687765348192452976813617483529398125764", "extra": "{\"grid_size\": 9, \"puzzle_number\": 872, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 871, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-15", "puzzle": "25,r6c4r6c5r7c4r7c5|9,r0c8r1c8|15,r7c6r8c6r8c7|38,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|14,r0c1r0c2r1c2|7,r7c0r8c0|27,r1c3r1c4r2c3r2c4|10,r4c1r4c2r5c2r5c3|7,r0c3r0c4|26,r7c1r7c2r8c1r8c2|28,r2c5r2c6r2c7r2c8r3c7r3c8r4c8|7,r5c6r6c6|12,r0c0r1c0r1c1|9,r7c3r8c3|26,r2c0r2c1r3c0r3c1|26,r5c7r5c8r6c7r6c8|6,r0c5r1c5|12,r7c7r7c8r8c8|13,r2c2r3c2|33,r4c0r5c0r5c1r6c0r6c1r6c2r6c3|26,r0c6r0c7r1c6r1c7|9,r8c4r8c5|20,r3c5r3c6r4c6r4c7", "solution": "785162394321794685946835721857923146412586973693471258138249567264357819579618432", "extra": "{\"grid_size\": 9, \"puzzle_number\": 871, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 873, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-16", "puzzle": "7,r7c5r8c5|12,r4c6r4c7r5c6|22,r0c6r0c7r1c6|9,r5c7r6c6r6c7|21,r2c3r2c4r3c3|11,r0c0r0c1|9,r7c6r8c6|17,r4c8r5c8|16,r0c8r1c8r2c8r3c8|17,r6c8r7c7r7c8|10,r2c5r3c5r4c5|5,r0c4r0c5|5,r8c3r8c4|17,r4c3r5c3r6c3|18,r1c0r1c1r2c0|14,r5c0r6c0r7c0r8c0|7,r3c0r4c0|7,r0c2r1c2|12,r8c7r8c8|24,r5c5r6c4r6c5|17,r2c1r2c2r3c1|20,r7c2r8c1r8c2|22,r3c2r4c1r4c2|8,r0c3r1c3|13,r6c1r7c1|16,r2c6r3c6r3c7|9,r7c3r7c4|20,r3c4r4c4r5c4|9,r1c4r1c5|6,r5c1r5c2r6c2|5,r1c7r2c7", "solution": "926314857831527946754986312289453671567291438413768529342879165195632784678145293", "extra": "{\"grid_size\": 9, \"puzzle_number\": 873, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 874, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-16", "puzzle": "22,r5c5r6c5r7c5r7c6|8,r2c0r2c1|38,r4c0r4c1r4c2r4c3r5c0r5c1r6c0r6c1|24,r0c4r0c5r0c6r0c7r0c8r1c4|12,r5c6r6c6|34,r2c4r2c5r2c6r2c7r3c4r3c7|18,r5c3r5c4r6c3r6c4r7c4|6,r0c0r1c0|14,r7c0r7c1|9,r3c0r3c1|11,r4c7r5c7|11,r0c1r1c1|14,r6c7r7c7r8c6r8c7|31,r0c3r1c3r2c2r2c3r3c2r3c3|10,r3c8r4c8r5c8r6c8|11,r0c2r1c2|13,r8c4r8c5|11,r3c5r3c6|40,r5c2r6c2r7c2r7c3r8c0r8c1r8c2r8c3|31,r1c5r1c6r1c7r1c8r2c8|13,r7c8r8c8|24,r4c4r4c5r4c6", "solution": "468751239253649187179382546721563894345298761986417352614825973597134628832976415", "extra": "{\"grid_size\": 9, \"puzzle_number\": 874, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 876, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-17", "puzzle": 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"23,r6c2r6c3r7c1r7c2r7c3|14,r0c8r1c8r2c8|9,r8c1r8c2|11,r2c7r3c6r3c7|4,r0c2r0c3|8,r6c5r6c6|16,r2c0r2c1|8,r8c3r8c4|22,r3c5r4c3r4c4r4c5r5c3|16,r0c4r0c5|10,r6c7r6c8|14,r2c2r2c3|9,r8c5r8c6|11,r5c1r5c2r6c1|14,r0c6r0c7|19,r6c0r7c0r8c0|21,r1c5r1c6r1c7r2c5r2c6|15,r5c4r5c5|12,r0c0r0c1r1c0r1c1|24,r6c4r7c4r7c5r7c6|37,r3c0r3c1r3c2r4c0r4c1r4c2r5c0|35,r3c8r4c6r4c7r4c8r5c6r5c7r5c8|23,r1c2r1c3r1c4r2c4|22,r7c7r7c8r8c7r8c8|8,r3c3r3c4", "solution": "543197682218463579796852413159624738874315926362978145435786291681249357927531864", "extra": "{\"grid_size\": 9, \"puzzle_number\": 875, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 877, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-17", "puzzle": "20,r4c2r4c3r5c2|5,r0c5r1c5|10,r7c0r7c1r8c0|10,r2c3r3c3|17,r0c0r0c1|15,r5c3r6c2r6c3|5,r0c6r1c6|13,r7c2r7c3|15,r2c4r2c5r3c4|8,r0c3r0c4|23,r4c6r5c5r5c6r5c7|31,r0c7r0c8r1c7r1c8r2c8|31,r6c6r7c6r7c7r8c6r8c7r8c8|10,r4c4r4c5|11,r1c0r1c1|12,r6c0r6c1|6,r2c0r2c1|14,r8c1r8c2|9,r4c8r5c8|11,r0c2r1c2r2c2|28,r5c4r6c4r6c5r7c4r7c5|38,r2c6r2c7r3c5r3c6r3c7r3c8r4c7|8,r8c3r8c4r8c5|8,r4c0r5c0r5c1|11,r1c3r1c4|14,r6c7r6c8r7c8|22,r3c0r3c1r3c2r4c1", "solution": "891264357657831249243795816582319764476528931319647528935486172124973685768152493", "extra": "{\"grid_size\": 9, \"puzzle_number\": 877, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 878, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-10-17", "puzzle": "3,r5c7r5c8|17,r1c7r1c8r2c8|20,r8c0r8c1r8c2|20,r4c0r4c1r5c0|19,r0c0r0c1r1c0r2c0|21,r4c2r5c2r6c2r6c3|5,r1c1r2c1|14,r7c4r8c4r8c5|37,r3c3r3c5r4c3r4c4r4c5r5c3r5c5|13,r0c3r0c4r1c4|13,r6c7r7c7|26,r2c5r2c6r3c6r4c6|20,r6c8r7c8r8c7r8c8|14,r3c8r4c7r4c8|18,r0c6r0c7r0c8|9,r6c0r7c0r7c1|13,r3c0r3c1|9,r5c1r6c1|22,r0c2r1c2r1c3|11,r7c2r7c3r8c3|24,r2c2r2c3r2c4r3c2r3c4|24,r5c4r5c6r6c4r6c5r6c6|9,r0c5r1c5r1c6|13,r7c5r7c6r8c6|11,r2c7r3c7", "solution": "597321648246985371318476529852134796471692835963758412139867254624513987785249163", "extra": "{\"grid_size\": 9, \"puzzle_number\": 878, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 879, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-18", "puzzle": "16,r6c7r7c7r8c7|8,r4c6r4c7|18,r1c3r1c4r1c5|12,r5c4r6c3r6c4|9,r3c1r3c2|12,r0c2r0c3|12,r7c8r8c8|11,r4c0r5c0r6c0|17,r0c8r1c7r1c8|10,r5c5r6c5|12,r3c6r3c7|21,r0c4r0c5r0c6r0c7r1c6|27,r7c2r8c1r8c2r8c3r8c4|10,r5c1r5c2|7,r2c3r3c3|11,r7c0r7c1r8c0|8,r2c8r3c8r4c8|13,r0c0r1c0|3,r8c5r8c6|12,r5c6r5c7|10,r2c4r2c5r3c4|23,r7c3r7c4r7c5|17,r4c1r4c2|13,r0c1r1c1r2c1|15,r5c8r6c8|15,r2c6r2c7|9,r6c6r7c6|27,r3c5r4c3r4c4r4c5r5c3|4,r1c2r2c2|10,r6c1r6c2|13,r2c0r3c0", "solution": "967584312421963578853127964572619483398745621146238759719452836235896147684371295", "extra": "{\"grid_size\": 9, \"puzzle_number\": 879, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 880, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-18", "puzzle": 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"16,r5c8r6c8r7c8|30,r1c2r2c2r2c3r3c1r3c2|18,r3c5r4c5r4c6r5c5|8,r0c2r0c3|24,r6c1r7c0r7c1r8c0r8c1|8,r2c5r2c6r3c6|25,r3c7r4c7r4c8r5c7|11,r0c4r0c5|22,r7c3r7c4r7c5|9,r1c8r2c8r3c8|13,r5c4r6c4|25,r0c0r0c1r1c0r1c1r2c1|21,r6c7r7c6r7c7r8c6r8c7r8c8|36,r2c0r3c0r4c0r4c1r4c2r5c0r6c0|15,r5c1r5c2r6c2r6c3r7c2|16,r1c3r1c4r1c5|12,r8c2r8c3|7,r2c4r3c4|22,r5c6r6c5r6c6|36,r0c6r0c7r0c8r1c6r1c7r2c7|6,r8c4r8c5|25,r3c3r4c3r4c4r5c3", "solution": "536247189192538764478961253847613592951872436623459871364185927215796348789324615", "extra": "{\"grid_size\": 9, \"puzzle_number\": 881, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 882, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-19", "puzzle": "13,r7c6r7c7r7c8|6,r4c5r4c6|20,r0c4r1c4r2c4|9,r6c1r6c2|15,r3c0r3c1r3c2|6,r0c2r0c3|15,r8c0r8c1|16,r4c7r4c8|17,r1c5r1c6r2c5|14,r6c6r6c7|19,r3c3r3c4r3c5|12,r0c5r0c6|21,r8c2r8c3r8c4r8c5r8c6|15,r5c1r5c2|14,r0c7r1c7|15,r5c8r6c8|11,r3c6r3c7r3c8|19,r0c0r1c0r2c0|9,r8c7r8c8|34,r4c4r5c3r5c4r5c5r6c3r6c4r6c5|12,r0c8r1c8r2c8|17,r7c0r7c1r7c2|6,r4c0r4c1|5,r0c1r1c1|5,r5c6r5c7|16,r2c1r2c2|15,r7c3r7c4r7c5|11,r4c2r4c3|10,r1c2r1c3r2c3|4,r5c0r6c0|4,r2c6r2c7", "solution": "812435796643197852579682134735928461428361579196754328354219687287546913961873245", "extra": "{\"grid_size\": 9, \"puzzle_number\": 882, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 884, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-10-19", "puzzle": 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"4,r8c4r8c5|22,r4c3r4c4r5c3r5c4|7,r2c1r2c2|15,r6c3r6c4|12,r2c8r3c8r4c8|12,r0c2r0c3|34,r6c7r7c7r7c8r8c6r8c7r8c8|8,r5c5r6c5|8,r1c3r1c4r2c3|8,r6c6r7c6|10,r3c0r4c0|13,r0c4r0c5r0c6|21,r4c7r5c6r5c7|12,r2c7r3c7|21,r7c0r7c1r8c0r8c1|7,r3c1r4c1|35,r0c0r0c1r1c0r1c1r1c2r2c0|7,r5c8r6c8|12,r3c2r3c3|11,r7c4r7c5|12,r4c5r4c6|15,r1c5r1c6|19,r5c0r5c1r6c0|6,r2c4r3c4|16,r7c3r8c2r8c3|10,r4c2r5c2|17,r0c7r0c8r1c7r1c8|10,r6c1r6c2r7c2|21,r2c5r2c6r3c5r3c6", "solution": "483956217529417836761328549937542681148769352652183974814695723395274168276831495", "extra": "{\"grid_size\": 9, \"puzzle_number\": 883, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 885, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-20", "puzzle": "13,r7c8r8c7r8c8|13,r5c1r6c1|18,r1c6r1c7r2c6|23,r4c0r5c0r6c0r7c0r8c0|18,r3c5r3c6r4c5|6,r0c6r0c7|13,r8c1r8c2|11,r4c3r5c2r5c3|31,r0c8r1c8r2c8r3c8r4c8|15,r6c2r7c1r7c2|9,r2c7r3c7|15,r0c0r0c1r1c0|7,r5c8r6c8|5,r1c1r2c1|12,r7c3r7c4|18,r3c1r3c2r4c1r4c2|12,r0c2r1c2|12,r6c3r6c4|21,r2c2r2c3r3c3|14,r7c5r8c3r8c4r8c5|21,r3c4r4c4r5c4|21,r0c3r0c4r0c5r1c3|12,r5c5r6c5r6c6|13,r2c4r2c5|13,r7c6r8c6|12,r4c6r4c7r5c6r5c7|3,r1c4r1c5|16,r6c7r7c7|8,r2c0r3c0", "solution": "518763429934512786627849351253671948491258637876394215365487192182936574749125863", "extra": "{\"grid_size\": 9, \"puzzle_number\": 885, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 886, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-20", "puzzle": "9,r4c5r5c5|9,r1c6r1c7|11,r7c6r7c7|4,r3c0r4c0|16,r0c0r0c1r0c2|16,r3c5r3c6r4c6r5c6|15,r2c4r2c5r3c4|8,r8c3r8c4|8,r4c1r4c2|14,r0c4r0c5|16,r3c7r4c7r5c7|13,r2c6r2c7|10,r7c5r8c5|12,r3c8r4c8|14,r0c6r0c7r0c8|17,r5c0r6c0|9,r1c8r2c8|11,r8c6r8c7|19,r5c2r5c3r6c2r7c2r7c3|20,r1c0r1c1r1c2r2c0|8,r5c8r6c8|19,r2c1r2c2r2c3r3c1|11,r7c8r8c8|43,r4c4r5c4r6c3r6c4r6c5r6c6r6c7r7c4|16,r0c3r1c3r1c4r1c5|37,r5c1r6c1r7c0r7c1r8c0r8c1r8c2|20,r3c2r3c3r4c3", "solution": "439168725756942183218357946175836294362794518894215367927483651641579832583621479", "extra": "{\"grid_size\": 9, \"puzzle_number\": 886, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 888, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-21", "puzzle": "14,r8c4r8c5|9,r3c6r4c6|3,r0c8r1c8|14,r6c3r6c4|10,r2c8r3c7r3c8|15,r0c3r0c4|23,r6c8r7c8r8c6r8c7r8c8|12,r5c0r5c1|21,r0c2r1c1r1c2r2c0r2c1|7,r6c0r7c0|14,r3c0r4c0|8,r0c6r0c7|7,r5c2r5c3|23,r2c2r2c3r3c2r3c3|17,r6c7r7c6r7c7|7,r3c1r4c1|16,r0c0r0c1r1c0|34,r4c7r5c6r5c7r6c5r6c6r7c4r7c5|28,r1c6r1c7r2c6r2c7|12,r8c0r8c1|11,r4c2r4c3|7,r1c3r1c4|14,r4c8r5c8|12,r2c4r3c4|12,r7c3r8c2r8c3|10,r4c4r4c5r5c4r5c5|15,r0c5r1c5|20,r6c1r6c2r7c1r7c2|10,r2c5r3c5", "solution": "164789352925346871378152946649578213832914765751623489213867594597431628486295137", "extra": "{\"grid_size\": 9, \"puzzle_number\": 888, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 887, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-10-20", "puzzle": 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"16,r4c7r5c7|19,r0c8r1c8r2c8|4,r7c4r7c5|19,r3c6r3c7r3c8|19,r0c0r0c1r1c0r1c1|7,r4c8r5c8|16,r2c2r2c3r3c2|24,r6c6r6c7r7c6r7c7|38,r2c4r3c3r3c4r3c5r4c2r4c3r5c3|20,r0c2r0c3r0c4r1c4|13,r5c0r6c0|11,r1c5r2c5|10,r8c0r8c1r8c2|11,r5c1r5c2|7,r0c5r0c6|14,r6c1r7c0r7c1|4,r2c6r2c7|13,r8c4r8c5|21,r4c4r4c5r4c6r5c4r6c4|10,r1c2r1c3|12,r6c2r7c2|20,r2c0r3c0r4c0r4c1|21,r6c8r7c8r8c6r8c7r8c8|11,r5c5r5c6r6c5|18,r0c7r1c6r1c7|21,r6c3r7c3r8c3|6,r2c1r3c1", "solution": "176283459389145762254976318713429685568317294492568173947652831825731946631894527", "extra": "{\"grid_size\": 9, \"puzzle_number\": 889, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 890, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-10-21", "puzzle": "14,r6c2r7c2|17,r1c4r1c5r2c4|12,r7c8r8c7r8c8|24,r4c1r5c0r5c1r5c2r5c3|31,r0c0r0c1r0c2r0c3r0c4|15,r6c3r7c3|8,r2c5r2c6|31,r3c7r3c8r4c7r4c8r5c8r6c8|13,r0c5r0c6r0c7|28,r5c7r6c7r7c6r7c7r8c6|29,r2c0r2c1r3c0r3c1r4c0|16,r6c0r6c1r7c0r7c1|7,r1c0r1c1|6,r8c0r8c1|8,r3c5r3c6|19,r5c4r6c4r7c4r8c4|28,r0c8r1c6r1c7r1c8r2c7r2c8|13,r8c2r8c3|23,r3c2r3c3r3c4r4c2r4c3r4c4|19,r5c5r6c5r6c6|19,r1c2r1c3r2c2r2c3|7,r7c5r8c5|18,r4c5r4c6r5c6", "solution": "975643281612978354843521769594387126361254978287196543726839415438715692159462837", "extra": "{\"grid_size\": 9, \"puzzle_number\": 890, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 892, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-22", "puzzle": "12,r8c7r8c8|11,r4c5r5c5|16,r1c1r2c1r3c1|13,r7c2r7c3r8c3|7,r2c7r3c7|10,r0c1r0c2|14,r4c6r4c7r5c6|10,r1c2r2c2r3c2|24,r6c5r7c5r7c6r8c5r8c6|15,r2c8r3c8|13,r0c4r0c5|8,r4c8r5c8|13,r2c3r2c4r3c3|7,r6c8r7c8|22,r4c1r4c2r4c3r5c1|29,r0c6r0c7r0c8r1c6r1c7r1c8|15,r5c2r6c1r6c2|20,r1c5r2c5r2c6r3c6|16,r8c0r8c1r8c2|24,r4c0r5c0r6c0r7c0r7c1|14,r0c0r1c0|17,r6c3r6c4|6,r2c0r3c0|13,r7c4r8c4|12,r4c4r5c3r5c4|15,r0c3r1c3r1c4|17,r5c7r6c6r6c7r7c7|12,r3c4r3c5", "solution": "637549281812736549495812367263457918571698432984123756756984123128375694349261875", "extra": "{\"grid_size\": 9, \"puzzle_number\": 892, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 891, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-22", "puzzle": "11,r7c4r7c5r7c6|13,r4c7r4c8|15,r0c8r1c8|17,r6c2r6c3|12,r3c1r3c2|16,r0c1r0c2r0c3r0c4|6,r7c8r8c8|3,r5c1r5c2|8,r1c1r2c1|13,r6c5r6c6|3,r3c6r3c7|12,r0c5r0c6r0c7|13,r8c1r8c2r8c3|28,r2c4r3c4r4c4r5c4r6c4|6,r2c2r2c3|12,r6c7r7c7|12,r4c0r4c1|17,r0c0r1c0|29,r8c4r8c5r8c6r8c7|12,r5c6r5c7|14,r2c5r2c6|6,r7c0r8c0|24,r3c3r4c2r4c3r5c3|13,r1c2r1c3r1c4|4,r5c8r6c8|14,r2c7r2c8r3c8|16,r7c1r7c2r7c3|19,r3c5r4c5r4c6r5c5|15,r1c5r1c6r1c7|13,r5c0r6c0r6c1|9,r2c0r3c0", "solution": "851643279927518346364279518693784125485321967712965483249856731578132694136497852", "extra": "{\"grid_size\": 9, \"puzzle_number\": 891, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 894, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-23", "puzzle": 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"14,r8c5r8c6|14,r5c7r5c8r6c7|16,r1c8r2c7r2c8|8,r6c6r7c6|6,r4c5r4c6|45,r0c0r0c1r0c2r0c3r0c4r0c5r0c6r0c7r0c8|14,r7c7r8c7r8c8|11,r5c4r6c4|17,r2c2r3c1r3c2|13,r6c8r7c8|15,r3c8r4c7r4c8|13,r1c0r2c0r2c1|12,r6c0r7c0|13,r2c6r3c6r3c7|21,r7c1r8c0r8c1|9,r5c0r5c1r6c1|27,r1c1r1c2r1c3r2c3|8,r6c2r7c2|12,r3c0r4c0r4c1|10,r8c2r8c3|12,r5c2r5c3|8,r1c4r2c4|10,r6c3r7c3|12,r4c2r4c3|6,r7c4r8c4|5,r5c5r5c6|17,r1c5r1c6r1c7r2c5|13,r6c5r7c5|24,r3c3r3c4r3c5r4c4", "solution": "731459682694812753528673149145267938387594261269381475416938527872145396953726814", "extra": "{\"grid_size\": 9, \"puzzle_number\": 893, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 895, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-23", "puzzle": "9,r6c5r6c6|8,r1c0r2c0|21,r6c0r7c0r8c0|3,r4c2r4c3|10,r0c0r0c1|35,r4c6r4c7r5c6r5c7r6c7|10,r2c1r2c2|20,r7c2r8c1r8c2r8c3r8c4|8,r3c5r4c5|15,r0c4r0c5|35,r5c0r5c1r6c1r6c2r6c3r7c1r7c3|21,r2c3r2c4r2c5r3c4r4c4|19,r8c5r8c6r8c7r8c8|5,r5c2r5c3|24,r0c2r0c3r1c1r1c2|10,r6c4r7c4|26,r1c7r2c6r2c7r3c6r3c7|17,r5c4r5c5|11,r1c3r1c4r1c5|6,r7c5r7c6|14,r3c2r3c3|31,r0c8r1c8r2c8r3c8r4c8r5c8r6c8|12,r0c6r0c7r1c6|10,r7c7r7c8|25,r3c0r3c1r4c0r4c1", "solution": "285769314139524867764183952378651429691247583542398671416832795823975146957416238", "extra": "{\"grid_size\": 9, \"puzzle_number\": 895, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 896, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-10-23", "puzzle": "15,r6c5r6c6|29,r1c3r1c4r1c5r2c3r2c4|32,r7c3r7c4r8c2r8c3r8c4|19,r4c2r4c3r5c2r5c3r6c3|26,r0c0r0c1r0c2r0c3r1c0r1c2|15,r5c8r6c7r6c8|19,r2c5r2c6r2c7r3c5r4c5|9,r7c5r8c5|6,r3c4r4c4|11,r0c4r0c5|9,r6c0r7c0r8c0|26,r3c0r3c1r4c0r4c1|8,r7c8r8c8|10,r5c0r5c1|10,r0c7r0c8|15,r6c1r7c1r8c1|13,r3c2r3c3|22,r5c4r5c5r5c6r6c4|20,r0c6r1c6r1c7r1c8|15,r6c2r7c2|11,r3c6r3c7r4c6|7,r4c7r5c7|23,r1c1r2c0r2c1r2c2|18,r7c6r7c7r8c6r8c7|17,r2c8r3c8r4c8", "solution": "865429173231587694479361582784953216653712849912648735547136928398275461126894357", "extra": "{\"grid_size\": 9, \"puzzle_number\": 896, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 897, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-24", "puzzle": "12,r8c0r8c1r8c2|9,r4c7r5c7|5,r1c2r2c2|13,r5c5r6c5r7c5|11,r3c6r3c7|11,r0c2r0c3|9,r8c5r8c6|5,r4c8r5c8|20,r1c3r2c3r3c3|9,r6c6r7c6|3,r3c0r4c0|11,r0c6r0c7r0c8|15,r5c1r5c2|10,r1c5r2c4r2c5|11,r6c7r6c8|7,r3c1r4c1|29,r0c0r0c1r1c0r1c1|21,r5c0r6c0r7c0|22,r1c6r1c7r2c6r2c7|19,r7c4r8c3r8c4|12,r3c2r4c2|13,r0c4r0c5r1c4|20,r6c1r6c2r7c1r7c2|20,r1c8r2c8r3c8|24,r7c7r7c8r8c7r8c8|12,r4c6r5c6|8,r2c0r2c1|6,r6c3r6c4r7c3|38,r3c4r3c5r4c3r4c4r4c5r5c3r5c4", "solution": "593872416781946253624513879137654928245389761869721534918235647456197382372468195", "extra": "{\"grid_size\": 9, \"puzzle_number\": 897, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 898, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-24", "puzzle": "14,r5c2r5c3|8,r0c8r1c8r2c8|32,r6c8r7c8r8c6r8c7r8c8|13,r3c3r3c4r4c3|14,r0c0r0c1r1c0|14,r5c7r5c8|10,r2c3r2c4|12,r8c0r8c1r8c2|26,r4c4r4c5r5c4r5c5r5c6r6c5|20,r0c2r0c3r0c4r0c5|18,r6c1r6c2r6c3r6c4|11,r2c5r3c5|9,r7c4r8c4|5,r4c7r4c8|17,r0c6r0c7r1c7|14,r6c0r7c0r7c1|25,r1c6r2c6r3c6r4c6|6,r7c5r8c5|28,r2c0r3c0r4c0r5c0|18,r1c1r1c2r2c1r2c2|22,r7c2r7c3r8c3|19,r2c7r3c7r3c8|13,r3c1r4c1r5c1|16,r1c3r1c4r1c5|13,r6c6r6c7r7c6r7c7|8,r3c2r4c2", "solution": "574196832283475961961823475412568793896237514735941286628359147359714628147682359", "extra": "{\"grid_size\": 9, \"puzzle_number\": 898, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 899, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-10-24", "puzzle": "7,r6c1r7c1|7,r1c6r1c7|10,r7c7r8c7|24,r4c2r4c3r4c4r4c5r5c2|13,r0c0r0c1|34,r6c2r6c3r7c2r7c3r8c2r8c3|27,r1c0r1c1r1c2r2c0r2c1r2c2|3,r5c3r5c4|14,r0c2r0c3|3,r7c5r7c6|18,r2c3r2c4r3c4r3c5|34,r4c6r4c7r5c5r5c6r5c7r5c8|27,r0c4r0c5r0c6r1c5r2c5|22,r5c0r6c0r7c0r8c0r8c1|39,r3c0r3c1r3c2r3c3r4c0r4c1r5c1|19,r6c4r6c5r6c6r6c7|11,r0c7r0c8r1c8|17,r7c4r8c4|10,r3c6r3c7|16,r6c8r7c8r8c8|11,r1c3r1c4|10,r8c5r8c6|29,r2c6r2c7r2c8r3c8r4c8", "solution": "765924831941836257238157496576348912192765348384219675823471569457692183619583724", "extra": "{\"grid_size\": 9, \"puzzle_number\": 899, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 900, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-10-25", "puzzle": "14,r7c7r8c7|14,r3c8r4c7r4c8|14,r1c4r1c5|8,r6c6r6c7|11,r2c0r3c0|15,r0c2r0c3r0c4|3,r7c8r8c8|10,r5c1r5c2r5c3|13,r0c7r1c6r1c7r2c7|15,r6c0r7c0r8c0|9,r3c1r3c2|7,r0c5r0c6|9,r8c2r8c3|14,r5c6r5c7|20,r0c8r1c8r2c8|20,r6c1r7c1r7c2r8c1|17,r3c5r3c6r3c7|10,r0c0r1c0|16,r8c4r8c5r8c6|12,r5c8r6c8|8,r2c1r2c2|11,r7c3r7c4|14,r4c0r4c1r5c0|6,r0c1r1c1|16,r6c2r6c3|17,r2c3r2c4r3c4|16,r7c5r7c6|34,r3c3r4c2r4c3r4c4r4c5r4c6r5c5|15,r1c2r1c3|7,r5c4r6c4r6c5|10,r2c5r2c6", "solution": "926813475148795236735462819481579623659238147372146598867921354514387962293654781", "extra": "{\"grid_size\": 9, \"puzzle_number\": 900, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 901, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-25", "puzzle": 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"16,r5c5r6c5r6c6|21,r1c7r1c8r2c8|28,r7c5r8c2r8c3r8c4r8c5|12,r3c8r4c8r5c8|43,r0c1r0c2r0c3r0c4r0c5r0c6r0c7r0c8|17,r4c7r5c7r6c7r7c7|29,r2c0r2c1r3c0r3c1r4c0|7,r5c0r5c1|3,r0c0r1c0|18,r7c1r7c2r8c1|27,r2c2r3c2r4c1r4c2r4c3|10,r5c2r5c3|30,r1c1r1c2r1c3r1c4r2c4|5,r6c3r7c3|7,r2c3r3c3r3c4|15,r4c4r5c4|13,r1c5r1c6r2c5|11,r6c4r7c4|15,r2c7r3c7|23,r6c0r6c1r6c2r7c0r8c0|20,r2c6r3c6r4c6r5c6|31,r6c8r7c6r7c8r8c6r8c7r8c8|4,r3c5r4c5", "solution": "275984163169732548483156279957423681348561927612897354821375496736249815594618732", "extra": "{\"grid_size\": 9, \"puzzle_number\": 902, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 903, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-10-26", "puzzle": "4,r7c7r8c7|16,r3c6r4c6r5c6|10,r0c7r1c7|20,r5c0r6c0r7c0|5,r2c3r3c3|11,r0c0r0c1|22,r6c8r7c8r8c8|13,r5c1r5c2|13,r0c8r1c8r2c8|11,r6c1r6c2|13,r2c4r3c4|15,r0c2r0c3r0c4r1c3|8,r8c0r8c1|10,r5c3r6c3|10,r1c0r2c0r3c0|15,r6c6r6c7r7c6|13,r2c5r3c5|12,r0c5r0c6|18,r7c3r8c2r8c3r8c4|11,r5c4r6c4|12,r2c1r2c2|14,r7c1r7c2|5,r4c0r4c1|12,r1c1r1c2|11,r8c5r8c6|6,r5c5r6c5|13,r1c6r2c6r2c7|8,r7c4r7c5|20,r4c2r4c3r4c4r4c5|12,r1c4r1c5|29,r3c7r3c8r4c7r4c8r5c7r5c8|13,r3c1r3c2", "solution": "562713948739548162184269573258374691413692785976185324847931256395426817621857439", "extra": "{\"grid_size\": 9, \"puzzle_number\": 903, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 904, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-26", "puzzle": "4,r4c3r5c3|14,r0c7r0c8r1c7|15,r6c8r7c8|9,r4c0r4c1|10,r0c0r0c1|25,r5c4r5c5r6c4r6c5r7c5|13,r1c0r1c1r2c0|9,r7c1r8c1|33,r4c4r4c5r4c6r5c6r6c6|19,r0c3r0c4r0c5r1c5|14,r5c7r5c8|12,r2c5r2c6r2c7|27,r7c3r7c4r8c2r8c3r8c4|17,r3c7r3c8r4c7r4c8|11,r0c2r1c2|21,r6c0r6c1r7c0r8c0|3,r1c8r2c8|11,r7c6r8c5r8c6|9,r5c0r5c1|25,r1c3r1c4r2c3r2c4|15,r6c2r6c3r7c2|31,r2c1r2c2r3c0r3c1r3c2|10,r8c7r8c8|7,r4c2r5c2|17,r0c6r1c6|10,r6c7r7c7|14,r3c3r3c4r3c5r3c6", "solution": "197425836264738951583961472749256183635189724812347695451892367976513248328674519", "extra": "{\"grid_size\": 9, \"puzzle_number\": 904, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 906, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-27", "puzzle": "15,r6c4r7c4|15,r4c2r4c3|15,r0c8r1c8r2c8|14,r7c8r8c7r8c8|12,r5c2r5c3|9,r2c3r3c3|15,r0c5r0c6|8,r6c7r6c8|13,r3c4r4c4r5c4|14,r2c0r2c1|12,r8c2r8c3|14,r5c5r6c5|6,r3c5r3c6|12,r0c0r0c1r1c0|6,r6c0r7c0r8c0|7,r4c5r4c6|7,r1c4r2c4|7,r5c6r6c6|17,r3c7r3c8|18,r0c2r1c1r1c2|17,r7c1r8c1|11,r4c7r5c7|21,r1c5r1c6r2c5|9,r6c1r6c2|13,r3c0r4c0|14,r0c3r0c4r1c3|10,r7c5r8c4r8c5|9,r4c8r5c8|6,r2c6r2c7|12,r6c3r7c2r7c3|6,r3c1r4c1|9,r0c7r1c7|17,r7c6r7c7r8c6|11,r5c0r5c1|4,r2c2r3c2", "solution": "532948761479126835861357429753614298618792543924835176345289617186473952297561384", "extra": "{\"grid_size\": 9, \"puzzle_number\": 906, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 905, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-10-26", "puzzle": "9,r8c2r8c3|16,r5c1r5c2r5c3|3,r0c7r1c7|20,r6c0r7c0r8c0|14,r2c4r3c4|12,r0c3r0c4|17,r8c4r8c5|7,r5c4r6c4|20,r0c8r1c8r2c8|6,r7c1r8c1|14,r3c5r3c6r3c7|13,r0c5r0c6|9,r5c6r6c6|20,r1c3r2c3r3c3|16,r6c3r7c2r7c3r7c4|6,r4c0r5c0|20,r0c0r0c1r1c0r1c1r2c1|26,r4c7r5c7r5c8r6c8|9,r2c6r2c7|6,r7c6r8c6|25,r4c2r4c3r4c4r4c5r4c6|17,r0c2r1c2|10,r6c1r6c2|25,r2c0r3c0r3c1r4c1|24,r6c7r7c7r7c8r8c7r8c8|6,r3c8r4c8|13,r1c4r1c5r1c6r2c5|16,r5c5r6c5r7c5|6,r2c2r3c2", "solution": "529847613648513729731962548195684372283175964476329185964251837857436291312798456", "extra": "{\"grid_size\": 9, \"puzzle_number\": 905, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 907, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-27", "puzzle": "15,r7c7r7c8|23,r4c6r4c7r5c7|20,r1c4r1c5r2c4r3c4r3c5|5,r6c7r6c8|17,r2c2r3c2r3c3|10,r0c0r0c1|12,r8c1r8c2|8,r3c8r4c8r5c8|5,r1c6r1c7|17,r6c0r7c0r8c0|11,r2c7r3c7|15,r0c4r0c5|8,r8c3r8c4|9,r5c1r6c1|21,r0c8r1c8r2c8|8,r7c1r7c2|18,r3c0r4c0r5c0|11,r0c6r0c7|8,r8c7r8c8|16,r5c5r5c6r6c6|10,r2c0r2c1|27,r5c3r5c4r6c4r7c3r7c4|10,r3c1r4c1r4c2|13,r1c0r1c1|15,r5c2r6c2r6c3|4,r1c3r2c3|12,r7c6r8c5r8c6|16,r4c3r4c4r4c5|12,r0c2r0c3r1c2|12,r6c5r7c5|17,r2c5r2c6r3c6", "solution": "193287654587146239462359178816932745354871962729465381671594823235718496948623517", "extra": "{\"grid_size\": 9, \"puzzle_number\": 907, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 908, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-10-27", "puzzle": "19,r3c3r4c3r4c4r5c4r5c5|11,r1c3r2c3|20,r7c7r7c8r8c7r8c8|23,r3c6r3c7r4c6r4c7|19,r0c0r0c1r1c0r1c1|13,r5c6r5c7|19,r1c6r1c7r2c6r2c7|30,r6c0r7c0r8c0r8c1r8c2|12,r4c8r5c8r6c7r6c8|21,r0c2r0c3r0c4r1c2|7,r6c5r6c6|13,r2c8r3c8|4,r8c3r8c4|8,r4c0r5c0|12,r0c5r0c6|12,r6c1r7c1r7c2|14,r2c0r2c1r3c0r3c1|10,r4c1r5c1|14,r0c7r0c8r1c8|12,r7c3r7c4|13,r2c2r3c2|33,r4c2r5c2r5c3r6c2r6c3r6c4|21,r1c4r1c5r2c4r2c5|27,r7c5r7c6r8c5r8c6|18,r3c4r3c5r4c5", "solution": "368247519917583264254691387439172856185469732726835491873926145641758923592314678", "extra": "{\"grid_size\": 9, \"puzzle_number\": 908, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 909, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-28", "puzzle": "7,r7c4r8c4|6,r5c0r5c1r6c1|24,r0c5r1c5r1c6r2c5|10,r6c8r7c8|6,r2c8r3c8|4,r0c0r0c1|7,r8c5r8c6|13,r5c3r5c4|17,r2c1r2c2|28,r6c0r7c0r7c1r7c2r8c0|13,r3c0r4c0|8,r0c3r0c4|11,r8c7r8c8|8,r4c5r5c5|8,r1c4r2c3r2c4|11,r7c6r7c7|22,r3c1r4c1r4c2r5c2|35,r0c6r0c7r0c8r1c7r1c8r2c7|23,r4c6r5c6r5c7r5c8|8,r3c2r3c3|13,r8c1r8c2|12,r4c3r4c4|18,r1c0r1c1r2c0|17,r6c2r6c3r6c4|9,r3c4r3c5|16,r7c3r8c3|9,r4c7r4c8|14,r0c2r1c2r1c3|14,r6c5r6c6r6c7r7c5|14,r2c6r3c6r3c7", "solution": "134265897572849316698137542965318724481572963327496185713684259856923471249751638", "extra": "{\"grid_size\": 9, \"puzzle_number\": 909, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 910, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-10-28", "puzzle": "11,r5c1r6c1|10,r2c0r3c0|17,r7c0r8c0|9,r2c8r3c8|15,r0c0r0c1r1c0|23,r4c2r5c2r6c2r7c2|25,r1c1r1c2r1c3r2c1|6,r7c1r8c1|16,r3c1r3c2r4c0r4c1|8,r0c2r0c3|6,r5c3r6c3r6c4|8,r2c2r2c3|30,r7c3r7c4r8c2r8c3r8c4|39,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|24,r0c4r0c5r0c6r1c4r1c5|10,r6c5r6c6|16,r2c4r2c5r3c5|9,r8c5r8c6|24,r4c7r4c8r5c6r5c7|15,r0c7r1c7|22,r6c7r7c5r7c6r7c7|16,r1c6r2c6r3c6r4c6|13,r7c8r8c7r8c8|7,r5c0r6c0|10,r0c8r1c8|13,r5c8r6c8|3,r2c7r3c7", "solution": "685312497174589263392647518738495621419826375256173849567231984821954736943768152", "extra": "{\"grid_size\": 9, \"puzzle_number\": 910, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 912, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-29", "puzzle": "13,r7c4r7c5r7c6|19,r3c4r4c4r5c4|13,r1c2r1c3r1c4|20,r5c7r6c6r6c7|18,r2c3r3c2r3c3|19,r0c2r0c3r0c4|12,r7c7r8c7|11,r3c6r4c6|9,r1c7r1c8|7,r6c0r6c1|6,r3c5r4c5|13,r0c5r0c6r1c5|7,r6c8r7c8r8c8|11,r3c7r3c8r4c7|9,r2c4r2c5|7,r6c2r7c2|7,r3c0r4c0|9,r0c7r0c8|12,r8c0r8c1|15,r4c8r5c8|10,r1c6r2c6|13,r6c3r6c4|15,r4c1r5c0r5c1|16,r0c0r1c0r2c0|12,r7c3r8c2r8c3|10,r4c3r5c3|16,r2c7r2c8|16,r7c0r7c1|13,r4c2r5c2|13,r0c1r1c1|16,r8c4r8c5r8c6|9,r5c5r5c6r6c5|9,r2c1r2c2r3c1", "solution": "362897145978145263415236897637952418159384726284761539521673984796428351843519672", "extra": "{\"grid_size\": 9, \"puzzle_number\": 912, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 911, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-10-28", "puzzle": "17,r5c4r6c4|17,r1c5r2c5|5,r6c5r7c5|17,r2c6r3c5r3c6r4c6|13,r0c7r0c8|8,r5c5r5c6|26,r0c6r1c6r1c7r2c7r3c7|12,r6c6r7c6r7c7|10,r4c0r4c1r5c0|21,r0c0r0c1r0c2r0c3r1c0|24,r5c7r5c8r6c7r6c8|5,r1c8r2c8|12,r7c4r8c3r8c4|18,r4c3r4c4r4c5|12,r0c4r0c5r1c4|16,r6c0r7c0|21,r2c0r2c1r3c0r3c1|27,r7c8r8c5r8c6r8c7r8c8|17,r3c8r4c7r4c8|12,r1c1r1c2r2c2|29,r5c1r6c1r7c1r7c2r8c2|13,r3c2r3c3|6,r8c0r8c1|17,r4c2r5c2r5c3r6c2|9,r1c3r2c3|14,r6c3r7c3|7,r2c4r3c4", "solution": "692143785314758962857269413269417538548936127173582649731894256985621374426375891", "extra": "{\"grid_size\": 9, \"puzzle_number\": 911, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 913, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-29", "puzzle": "23,r7c6r7c7r7c8r8c6r8c7r8c8|7,r3c3r4c3|10,r0c8r1c8|17,r6c5r6c6r7c5|23,r2c1r3c1r4c1r5c0r5c1|16,r0c0r0c1r0c2|18,r3c4r4c4r4c5r4c6|21,r1c0r1c1r2c0|13,r6c0r6c1r7c0r7c1|19,r3c5r3c6r3c7|7,r0c4r0c5|23,r4c7r5c7r6c7r6c8|6,r1c2r2c2|19,r7c2r7c3r8c2|11,r2c8r3c8|7,r0c6r0c7|20,r5c2r5c3r6c2r6c3|14,r2c4r2c5|8,r8c0r8c1|13,r3c0r4c0|17,r0c3r1c3r2c3|8,r4c8r5c8|12,r1c6r2c6|16,r8c3r8c4r8c5|9,r3c2r4c2|7,r1c4r1c5|29,r5c4r5c5r5c6r6c4r7c4|12,r1c7r2c7", "solution": "934752168685143792721986534546318927873429615192567483217634859468295371359871246", "extra": "{\"grid_size\": 9, \"puzzle_number\": 913, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 914, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-10-29", "puzzle": "20,r6c2r7c2r8c2|12,r2c7r2c8|14,r4c2r4c3r5c2|40,r0c0r0c1r1c0r1c1r2c0r2c1r3c0|10,r7c3r8c3|16,r2c3r2c4r3c3|17,r4c7r5c6r5c7|21,r0c2r0c3r0c4r0c5r1c4r1c5|23,r6c1r7c0r7c1r8c0r8c1|40,r3c4r3c5r4c4r5c3r5c4r6c3r6c4|11,r5c0r6c0|28,r0c6r0c7r0c8r1c6r1c7r1c8|20,r7c4r8c4r8c5r8c6r8c7|20,r3c6r3c7r3c8r4c8|8,r6c7r7c7|14,r1c2r1c3r2c2|7,r7c8r8c8|22,r3c1r3c2r4c0r4c1r5c1|9,r5c8r6c8|12,r2c5r2c6|41,r4c5r4c6r5c5r6c5r6c6r7c5r7c6", "solution": "791352846853946127462817539126783495348195762975264381234579618519638274687421953", "extra": "{\"grid_size\": 9, \"puzzle_number\": 914, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 916, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-30", "puzzle": "11,r5c3r5c4|9,r1c5r2c5|33,r6c6r7c6r7c7r7c8r8c7r8c8|19,r3c8r4c7r4c8r5c8|15,r0c0r0c1r1c1r1c2|15,r5c5r5c6|15,r2c7r2c8r3c7|21,r7c1r7c2r8c0r8c1|13,r3c0r4c0r5c0|40,r0c2r0c3r0c4r0c5r0c6r1c4r2c4|8,r6c0r7c0|8,r2c1r3c1|30,r6c4r7c4r8c2r8c3r8c4r8c5r8c6|28,r4c1r4c2r4c3r4c4r4c5r4c6|26,r0c7r0c8r1c6r1c7r1c8r2c6|9,r6c3r7c3|10,r2c2r3c2|9,r5c1r6c1|17,r1c0r2c0|12,r6c5r7c5|8,r3c3r3c4|11,r5c2r6c2|12,r1c3r2c3|12,r5c7r6c7r6c8|14,r3c5r3c6", "solution": "627541983843967125951382764439176852768425319215839647386294571594718236172653498", "extra": "{\"grid_size\": 9, \"puzzle_number\": 916, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 918, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-31", "puzzle": "16,r8c1r8c2|14,r5c2r5c3|17,r1c6r1c7r2c6|9,r6c2r7c2|14,r3c0r4c0|6,r0c1r0c2|21,r8c5r8c6r8c7r8c8|3,r5c0r6c0|14,r1c2r2c2|28,r6c3r6c4r6c5r7c3r8c3|7,r3c2r4c2|15,r0c3r0c4r1c3|11,r5c6r6c6|28,r1c4r2c3r2c4r3c3r3c4|11,r7c4r7c5r8c4|20,r4c3r4c4r4c5r5c4r5c5|20,r0c6r0c7r0c8r1c8r2c8|8,r5c7r6c7|18,r2c1r3c1r4c1r5c1|13,r7c6r7c7|8,r3c6r4c6r4c7|24,r0c0r1c0r1c1r2c0|19,r5c8r6c8r7c8|9,r2c5r3c5|7,r7c0r8c0|14,r3c8r4c8|10,r0c5r1c5|11,r6c1r7c1|10,r2c7r3c7", "solution": "842659731739481265615732984584197326973265148126843579258974613361528497497316852", "extra": "{\"grid_size\": 9, \"puzzle_number\": 918, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 917, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-10-30", "puzzle": "11,r6c1r7c1|16,r0c6r1c6|11,r8c0r8c1|20,r3c6r3c7r4c6r4c7|28,r0c0r0c1r1c0r2c0r2c1|18,r5c3r6c2r6c3|19,r2c2r2c3r3c1r3c2|15,r8c3r8c4r8c5r8c6|8,r3c3r4c3|21,r0c2r0c3r0c4r0c5|10,r5c6r5c7r6c5r6c6|21,r2c5r2c6r3c5|23,r6c7r6c8r7c8r8c7r8c8|9,r4c5r5c5|4,r0c7r0c8|9,r7c2r8c2|6,r1c7r2c7|21,r4c1r4c2r5c1r5c2|8,r1c1r1c2|14,r7c3r7c4r7c5|32,r1c8r2c8r3c8r4c8r5c8|22,r3c0r4c0r5c0r6c0r7c0|13,r1c3r1c4r1c5|15,r7c6r7c7|31,r2c4r3c4r4c4r5c4r6c4", "solution": "496825713871643925253719846318564279742391568569278134637982451185437692924156387", "extra": "{\"grid_size\": 9, \"puzzle_number\": 917, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 919, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-10-31", "puzzle": "14,r5c1r6c1r6c2|5,r0c6r1c6|32,r2c8r3c8r4c8r5c8r6c8r7c8r8c8|9,r2c1r3c1r4c1|11,r0c1r0c2|10,r6c5r6c6|20,r0c7r0c8r1c7r1c8|13,r8c3r8c4r8c5|15,r4c2r5c2|19,r0c3r0c4r0c5|21,r7c0r7c1r8c0r8c1|8,r2c2r2c3|9,r8c6r8c7|9,r3c6r4c6|32,r0c0r1c0r2c0r3c0r4c0r5c0r6c0|10,r7c2r8c2|20,r2c6r2c7r3c7|11,r4c7r5c7r6c7|17,r1c1r1c2r1c3|22,r6c3r6c4r7c3r7c4|19,r3c2r3c3r4c3|17,r4c5r5c5r5c6|21,r1c4r1c5r2c4r2c5|20,r7c5r7c6r7c7|21,r3c4r3c5r4c4r5c3r5c4", "solution": "274865319895371264316249587123954876968732145547186923482693751631527498759418632", "extra": "{\"grid_size\": 9, \"puzzle_number\": 919, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 920, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-10-31", "puzzle": "5,r5c1r5c2|13,r2c0r2c1r2c2|11,r7c6r7c7|22,r3c0r3c1r4c0r4c1|8,r0c3r0c4|17,r1c3r1c4r2c3|34,r0c5r0c6r1c5r2c5r3c5r4c5r5c5|14,r7c8r8c6r8c7r8c8|9,r3c2r4c2|21,r0c0r0c1r0c2r1c0|14,r6c5r7c4r7c5|35,r3c3r4c3r5c3r6c3r7c3r8c2r8c3|8,r8c4r8c5|13,r4c6r5c6|11,r1c1r1c2|20,r6c6r6c7r6c8|26,r2c4r3c4r4c4r5c4r6c4|20,r4c7r4c8r5c7r5c8|25,r0c7r1c6r1c7r2c6r2c7|12,r7c0r8c0|5,r3c6r3c7|11,r5c0r6c0|14,r0c8r1c8|25,r6c1r6c2r7c1r7c2r8c1|12,r2c8r3c8", "solution": "794358126165742938328619745682593417537164892941827563273481659459276381816935274", "extra": "{\"grid_size\": 9, \"puzzle_number\": 920, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 915, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-10-30", "puzzle": "12,r7c7r8c7|3,r3c8r4c8|15,r1c5r1c6|9,r5c8r6c8|12,r3c4r3c5|22,r0c0r0c1r1c1|17,r7c8r8c8|17,r5c0r6c0r7c0|22,r0c8r1c7r1c8r2c8|31,r5c3r6c3r7c2r7c3r8c2|16,r4c0r4c1r5c1r5c2|8,r0c4r0c5|10,r6c1r6c2|11,r1c0r2c0r3c0|12,r7c1r8c0r8c1|16,r3c3r4c3r4c4|12,r0c6r0c7|11,r5c4r6c4|27,r2c1r2c2r3c1r3c2r4c2|6,r7c4r8c3r8c4|14,r4c5r4c6|5,r0c2r1c2|20,r5c5r6c5r7c5r7c6|21,r2c3r2c4r2c5|10,r8c5r8c6|7,r3c7r4c7|9,r0c3r1c3r1c4|20,r5c6r5c7r6c6r6c7|10,r2c6r2c7r3c6", "solution": "854162397291357864367984125615893742478625931923471586782549613146738259539216478", "extra": "{\"grid_size\": 9, \"puzzle_number\": 915, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 922, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-01", "puzzle": "9,r5c3r6c3|16,r1c5r1c6|15,r7c4r7c5r7c6|10,r2c6r3c6r3c7|16,r0c1r0c2r0c3|12,r5c4r5c5|13,r2c3r2c4|36,r5c8r6c7r6c8r7c7r7c8r8c8|10,r4c0r4c1|14,r0c4r0c5r0c6|21,r4c6r5c6r5c7r6c6|6,r2c7r2c8r3c8|23,r7c0r7c1r8c0r8c1|14,r4c3r4c4r4c5|21,r0c7r0c8r1c7r1c8|19,r5c0r6c0r6c1|27,r2c2r3c1r3c2r4c2|7,r8c2r8c3r8c4|12,r4c7r4c8|24,r0c0r1c0r1c1r2c0r2c1r3c0|11,r6c4r6c5|14,r3c3r3c4|18,r8c5r8c6r8c7|9,r5c1r5c2r6c2|17,r1c2r1c3r1c4|6,r7c2r7c3|5,r2c5r3c5", "solution": "267315894135489726948672513579863142823941675416257389692738451381594267754126938", "extra": "{\"grid_size\": 9, \"puzzle_number\": 922, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 921, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-01", "puzzle": "8,r7c8r8c8|9,r5c5r5c6|14,r1c1r2c0r2c1|9,r7c5r7c6|7,r2c5r3c5|16,r0c0r0c1r1c0|18,r4c7r4c8r5c7r5c8|23,r1c3r1c4r2c2r2c3r3c2|10,r8c0r8c1|16,r3c7r3c8|15,r0c3r0c4|29,r6c1r6c2r6c3r7c3|18,r2c6r2c7r3c6|5,r8c2r8c3|27,r4c1r4c2r4c3r4c4r5c3r5c4|13,r0c5r0c6r0c7r0c8|5,r6c4r6c5|11,r1c8r2c8|20,r7c4r8c4r8c5|14,r4c5r4c6|6,r0c2r1c2|13,r6c6r6c7r6c8r7c7|33,r3c0r3c1r4c0r5c0r6c0r7c0|16,r8c6r8c7|9,r5c1r5c2|20,r1c5r1c6r1c7|7,r7c1r7c2|14,r2c4r3c3r3c4", "solution": "872965341164328759359174682528613497417289536936547218795832164643791825281456973", "extra": "{\"grid_size\": 9, \"puzzle_number\": 921, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 923, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-11-01", "puzzle": "36,r5c1r6c0r6c1r7c0r7c1r8c0r8c1|13,r1c6r1c7|31,r6c7r6c8r7c7r7c8r8c7r8c8|23,r3c6r3c7r4c6r4c7|4,r0c0r0c1|5,r5c2r6c2|13,r2c0r2c1r3c0|24,r7c6r8c3r8c4r8c5r8c6|17,r4c1r4c2r4c3|15,r0c2r0c3|21,r5c3r5c4r6c3r6c4|16,r2c5r2c6r2c7|3,r4c4r4c5|15,r1c0r1c1|3,r5c6r6c6|15,r0c7r0c8r1c8r2c8|21,r3c8r4c8r5c7r5c8|26,r0c4r1c2r1c3r1c4r2c2r2c3|19,r7c2r7c3r8c2|18,r3c1r3c2r3c3|9,r4c0r5c0|16,r0c5r0c6r1c5|23,r5c5r6c5r7c4r7c5|19,r2c4r3c4r3c5", "solution": "138745926967312584425698713781964352354821697692573148543186279276459831819237465", "extra": "{\"grid_size\": 9, \"puzzle_number\": 923, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 924, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-11-02", "puzzle": "12,r8c3r8c4r8c5|9,r5c0r6c0|10,r1c7r1c8r2c7|12,r6c7r6c8|13,r2c8r3c8|4,r0c1r0c2|6,r8c6r8c7|11,r5c3r6c2r6c3|11,r2c0r2c1|10,r6c1r7c0r7c1|19,r3c0r3c1r4c0r4c1|16,r0c3r0c4r0c5|10,r5c4r6c4|15,r1c2r2c2|17,r7c2r7c3r7c4|25,r3c2r4c2r5c1r5c2|16,r0c6r0c7r0c8|33,r3c3r4c3r4c4r4c5r5c5|8,r1c3r2c3|18,r7c7r7c8r8c8|20,r3c6r3c7r4c6r5c6|15,r0c0r1c0r1c1|12,r6c5r7c5|5,r2c4r3c4|19,r8c0r8c1r8c2|21,r4c7r4c8r5c7r5c8|22,r1c4r1c5r1c6|9,r6c6r7c6|7,r2c5r2c6r3c5", "solution": "931682547247195863568734219685921734329457186174368952816249375452873691793516428", "extra": "{\"grid_size\": 9, \"puzzle_number\": 924, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 925, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-02", "puzzle": "6,r5c5r5c6|21,r0c6r0c7r0c8r1c7r1c8|5,r6c2r7c2|8,r4c5r4c6|7,r0c0r0c1|18,r4c8r5c7r5c8r6c8|29,r2c0r2c1r3c0r3c1r4c0r5c0|20,r7c4r7c5r8c4r8c5|15,r3c7r4c7|16,r0c2r0c3|26,r6c3r6c4r7c3r8c2r8c3|12,r2c3r2c4r2c5|11,r8c6r8c7r8c8|10,r4c1r5c1|30,r1c0r1c1r1c2r1c3r2c2|36,r6c5r6c6r6c7r7c6r7c7r7c8|24,r2c7r2c8r3c8|14,r5c2r5c3|10,r0c4r1c4|18,r6c0r7c0r8c0r8c1|24,r2c6r3c4r3c5r3c6|8,r4c4r5c4|9,r0c5r1c5r1c6|13,r6c1r7c1|15,r3c2r3c3r4c2r4c3", "solution": "167985324948623175523417689832149567415736298796852431251378946684291753379564812", "extra": "{\"grid_size\": 9, \"puzzle_number\": 925, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 926, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-11-02", "puzzle": "14,r5c1r6c1|23,r1c6r1c7r1c8r2c8|17,r7c3r7c4r7c5r8c4|20,r3c0r4c0r5c0|31,r0c0r0c1r1c0r1c1r2c0r2c1r3c1|10,r5c2r5c3|17,r2c2r2c3|14,r7c6r8c5r8c6|17,r3c2r3c3r4c1r4c2|11,r0c5r0c6|10,r5c4r6c4|5,r2c5r2c6|13,r8c0r8c1|16,r4c3r4c4r4c5|13,r0c7r0c8|7,r6c2r6c3|12,r2c4r3c4|11,r8c2r8c3|22,r4c6r4c7r5c5r5c6|13,r0c2r0c3r1c2|9,r6c5r6c6|11,r3c5r3c6|30,r5c7r6c7r6c8r7c7r7c8r8c7r8c8|21,r3c8r4c8r5c8|15,r0c4r1c3r1c4r1c5|18,r6c0r7c0r7c1r7c2|5,r2c7r3c7", "solution": "431769285785243961269851437916578324324196578857324619193482756548637192672915843", "extra": "{\"grid_size\": 9, \"puzzle_number\": 926, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 927, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-03", "puzzle": 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"12,r5c8r6c8|13,r1c7r1c8r2c7|17,r7c6r8c6|29,r3c2r4c1r4c2r4c3r5c2|22,r0c0r0c1r0c2r0c3r0c4r1c0|20,r6c1r6c2r7c1|14,r1c1r2c1r2c2|9,r6c7r7c7r7c8|12,r4c6r4c7r4c8|17,r0c7r0c8|13,r5c3r6c3r6c4|20,r2c3r2c4r3c3|24,r7c0r8c0r8c1r8c2r8c3r8c4|39,r2c0r3c0r3c1r4c0r5c0r5c1r6c0|14,r1c2r1c3|6,r6c5r6c6|12,r2c5r2c6|12,r8c7r8c8|27,r3c4r3c5r4c4r4c5r5c4r5c5|15,r0c5r1c4r1c5|11,r7c2r7c3|5,r3c6r3c7|14,r5c6r5c7|9,r0c6r1c6|13,r7c4r7c5r8c5|6,r2c8r3c8", "solution": "513246798749518236682397541971864325368925174425173689896752413157439862234681957", "extra": "{\"grid_size\": 9, \"puzzle_number\": 928, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 929, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-11-03", "puzzle": "28,r4c6r5c6r5c7r6c6r6c7|23,r1c2r1c3r2c2r2c3r2c4|8,r8c7r8c8|26,r4c0r4c1r5c0r6c0|21,r0c1r0c2r0c3r0c4|19,r4c8r5c8r6c8r7c8|10,r2c5r2c6r3c6|16,r5c1r5c2r5c3r6c3r7c3|10,r0c0r1c0|12,r7c6r7c7|10,r2c0r3c0|18,r4c3r4c4r5c4|13,r0c5r1c4r1c5|7,r7c0r8c0r8c1|14,r3c1r3c2r4c2|23,r6c1r6c2r7c1r7c2|44,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|22,r7c4r8c2r8c3r8c4|24,r3c3r3c4r3c5r4c5r5c5|20,r6c4r6c5r7c5|12,r1c1r2c1|13,r8c5r8c6|12,r3c7r3c8r4c7", "solution": "125869473946713258783524196391678524874952361562341987638495712257136849419287635", "extra": "{\"grid_size\": 9, \"puzzle_number\": 929, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 930, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-11-04", "puzzle": "15,r7c5r7c6r7c7|21,r4c7r4c8r5c7r5c8|9,r0c7r1c7|16,r6c6r6c7|12,r2c4r3c4|19,r0c0r0c1r0c2|11,r8c2r8c3|15,r4c2r5c0r5c1r5c2|18,r0c8r1c8r2c8|11,r6c8r7c8|12,r2c5r3c5|5,r0c3r0c4|15,r8c4r8c5|10,r5c3r6c3|7,r1c0r2c0|15,r6c0r7c0r8c0|15,r3c6r3c7r3c8r4c6|10,r0c5r0c6|7,r8c6r8c7r8c8|8,r5c4r6c4|9,r2c1r2c2|13,r7c1r8c1|24,r3c0r3c1r4c0r4c1|16,r1c1r1c2r1c3|22,r5c5r5c6r6c5|10,r2c6r2c7|17,r7c2r7c3r7c4|8,r4c3r4c4r4c5|10,r1c4r1c5r1c6|5,r6c1r6c2|20,r2c3r3c2r3c3", "solution": "685417329491632578327589641756943182938251467142768953814325796269174835573896214", "extra": "{\"grid_size\": 9, \"puzzle_number\": 930, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 931, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-11-04", "puzzle": "11,r7c6r7c7|7,r4c1r5c1|11,r0c5r1c5|11,r6c4r6c5|28,r2c0r3c0r3c1r3c2r4c0|13,r0c2r0c3r0c4|12,r7c8r8c7r8c8|8,r4c2r5c2|24,r0c6r1c6r1c7r2c7|12,r6c6r6c7|3,r3c3r3c4|8,r0c7r0c8|11,r8c0r8c1|11,r5c4r5c5|5,r2c1r2c2|22,r6c1r7c1r7c2r8c2|8,r3c6r4c6|23,r0c0r0c1r1c0|11,r8c4r8c5r8c6|30,r4c8r5c6r5c7r5c8r6c8|13,r2c3r2c4|12,r7c3r8c3|6,r3c7r4c7|12,r1c1r1c2|10,r5c0r6c0r7c0|15,r2c5r2c6r3c5|14,r7c4r7c5|19,r4c3r4c4r4c5|4,r1c3r1c4|18,r5c3r6c2r6c3|13,r1c8r2c8r3c8", "solution": "893642517675139284214857396968215743357496128421783659186574932532968471749321865", "extra": "{\"grid_size\": 9, \"puzzle_number\": 931, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 932, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-11-04", "puzzle": "6,r5c8r6c8|7,r2c6r2c7|11,r4c2r4c3r5c2|12,r0c5r0c6r1c6|13,r6c2r7c2r8c2|11,r2c0r3c0|15,r5c6r5c7r6c7|30,r0c7r0c8r1c7r1c8r2c8|21,r7c6r7c7r8c6|19,r2c1r3c1r3c2r3c3|18,r6c0r6c1r7c1r8c1|27,r0c0r0c1r0c2r1c0r1c1r1c2|14,r7c0r8c0|19,r3c4r3c5r4c4|37,r4c5r5c3r5c4r5c5r6c3r7c3r8c3|28,r1c4r1c5r2c4r2c5|10,r8c4r8c5|31,r3c6r3c7r3c8r4c6r4c7r4c8|23,r6c4r6c5r6c6r7c4r7c5|18,r0c3r0c4r1c3r2c2r2c3|10,r7c8r8c7r8c8|25,r4c0r4c1r5c0r5c1", "solution": "289134675143765289765289431417596328892341567356827194634918752971652843528473916", "extra": "{\"grid_size\": 9, \"puzzle_number\": 932, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 933, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-05", "puzzle": "11,r7c0r8c0|10,r3c5r4c5r5c5|14,r0c8r1c8|14,r3c4r4c4r5c4|16,r2c7r3c7r4c7|6,r0c0r0c1r1c1|11,r7c1r8c1|11,r4c6r5c6|11,r1c0r2c0|10,r5c7r6c7|8,r2c8r3c8|15,r0c3r0c4r0c5|7,r7c2r8c2|5,r4c8r5c8|9,r2c2r2c3|12,r6c3r6c4r7c3|15,r3c0r4c0|28,r0c2r1c2r1c3r1c4|20,r7c4r7c5r7c6r8c6|5,r5c0r6c0|17,r1c5r2c4r2c5|12,r6c5r6c6|7,r3c2r4c2|9,r0c6r1c6|14,r8c3r8c4r8c5|22,r4c1r5c1r6c1|9,r2c1r3c1|12,r6c8r7c8|21,r3c3r4c3r5c3|7,r0c7r1c7|18,r7c7r8c7r8c8|7,r5c2r6c2|12,r2c6r3c6", "solution": "329186745618745239547293861853962417764831592192457683475619328936528174281374956", "extra": "{\"grid_size\": 9, \"puzzle_number\": 933, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 934, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-05", "puzzle": "15,r8c0r8c1r8c2r8c3|8,r3c6r3c7r4c6|17,r1c6r1c7|9,r6c7r6c8|29,r3c4r3c5r4c4r5c3r5c4|11,r0c2r0c3|14,r8c5r8c6|10,r2c0r2c1|15,r1c8r2c8r3c8r4c8|11,r7c1r7c2|25,r4c0r5c0r6c0r7c0|21,r0c5r0c6r0c7r0c8|11,r5c6r6c5r6c6|12,r1c5r2c4r2c5|6,r7c4r8c4|11,r4c2r5c1r5c2|16,r0c0r0c1r1c0r1c1|24,r4c7r5c7r5c8|12,r2c6r2c7|11,r7c5r7c6|8,r3c3r4c3|10,r1c2r1c3|11,r6c1r6c2|20,r3c0r3c1r4c1|17,r7c7r7c8r8c7r8c8|8,r4c5r5c5|12,r0c4r1c4|19,r6c3r6c4r7c3|12,r2c2r2c3r3c2", "solution": "153879462647352981829164753392687145784215396516493278465931827938726514271548639", "extra": "{\"grid_size\": 9, \"puzzle_number\": 934, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 935, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-11-05", "puzzle": "23,r6c6r7c6r8c6r8c7r8c8|23,r1c6r2c4r2c5r2c6|24,r2c8r3c8r4c8r5c8r6c8r7c8|23,r0c3r0c4r1c3r1c4r1c5|17,r6c7r7c7|27,r3c1r3c2r4c1r4c2r4c3|14,r5c1r5c2r5c3|23,r0c5r0c6r0c7r0c8|19,r6c1r7c0r7c1|11,r2c3r3c3|5,r5c5r6c5|17,r1c7r1c8r2c7|11,r8c0r8c1r8c2r8c3|18,r3c5r3c6r3c7|23,r4c5r4c6r4c7r5c6r5c7|7,r1c1r2c1|32,r7c3r7c4r7c5r8c4r8c5|31,r1c0r2c0r3c0r4c0r5c0r6c0|16,r6c2r6c3r6c4r7c2|27,r0c0r0c1r0c2r1c2r2c2|14,r3c4r4c4r5c4", "solution": "168524937753961248429387651615839724287645319394172865946713582872456193531298476", "extra": "{\"grid_size\": 9, \"puzzle_number\": 935, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 936, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-06", "puzzle": "12,r6c6r6c7|3,r3c1r4c1|12,r0c3r1c3|5,r8c0r8c1|7,r5c8r6c8|15,r1c8r2c8|14,r0c5r0c6r1c6|11,r7c4r8c4|34,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|8,r0c4r1c4|12,r7c2r8c2r8c3|14,r6c0r7c0|10,r2c0r3c0|10,r0c7r0c8|12,r7c5r8c5|8,r4c7r5c7|10,r2c1r2c2|21,r6c1r6c2r7c1|14,r3c2r3c3|10,r0c0r1c0|9,r7c6r8c6|8,r3c8r4c8|8,r2c3r2c4|5,r6c3r7c3|16,r3c6r3c7r4c6|8,r0c1r1c1|7,r7c7r8c7|24,r4c2r5c1r5c2|14,r1c5r2c5|10,r6c4r6c5|10,r4c0r5c0|10,r0c2r1c2|14,r7c8r8c8|11,r5c5r5c6|9,r1c7r2c6r2c7", "solution": "254873691836419527791625348315946872429587136678132954567291483982364715143758269", "extra": "{\"grid_size\": 9, \"puzzle_number\": 936, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 937, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-06", "puzzle": "16,r5c0r6c0|19,r0c7r0c8r1c7r1c8|16,r6c5r6c6r7c5r7c6|12,r3c6r3c7r3c8|13,r0c1r0c2|13,r6c1r6c2|20,r1c4r2c4r3c4|9,r8c0r8c1|27,r4c3r4c4r4c5r4c6r5c5r5c6|6,r0c3r0c4|26,r5c7r6c7r7c7r7c8r8c7r8c8|23,r1c5r2c5r2c6r3c5|13,r7c2r8c2r8c3|15,r4c7r4c8|18,r0c5r0c6r1c6|12,r5c8r6c8|12,r2c7r2c8|9,r8c5r8c6|19,r3c2r4c1r4c2r5c1|23,r0c0r1c0r2c0r3c0r4c0|7,r7c0r7c1|10,r2c1r3c1|9,r5c2r5c3r5c4|19,r1c1r1c2r1c3r2c2|33,r6c3r6c4r7c3r7c4r8c4|6,r2c3r3c3", "solution": "358426917412789356679135284831597642295364178746218539967851423524973861183642795", "extra": "{\"grid_size\": 9, \"puzzle_number\": 937, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 938, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-11-06", "puzzle": "8,r6c0r6c1|12,r0c8r1c8|32,r7c6r8c5r8c6r8c7r8c8|33,r4c2r4c3r4c4r4c5r4c6|22,r0c0r0c1r0c2r0c3r1c2|12,r7c0r8c0|15,r2c7r2c8|19,r3c7r3c8r4c7r4c8|24,r1c0r1c1r2c0r2c1|21,r5c2r6c2r7c1r7c2|15,r3c0r3c1|16,r5c3r5c4r6c3|37,r0c4r1c3r1c4r2c3r2c4r3c3|18,r7c3r8c1r8c2r8c3|5,r2c2r3c2|11,r5c6r6c6|14,r0c5r0c6r0c7r1c5|34,r5c5r6c4r6c5r7c4r7c5r8c4|8,r2c5r3c4r3c5|10,r5c7r5c8|15,r1c6r1c7r2c6r3c6|12,r6c7r6c8r7c7r7c8|12,r4c0r4c1r5c0r5c1", "solution": "651394278897261534432875196783512649249687315516439782178956423325748961964123857", "extra": "{\"grid_size\": 9, \"puzzle_number\": 938, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 939, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-07", "puzzle": "10,r5c2r6c2|22,r1c1r2c0r2c1r2c2|14,r7c8r8c8|9,r3c4r4c4r4c5|27,r0c3r0c4r1c3r1c4r2c3r2c4|12,r6c5r6c6r7c5|30,r2c5r2c6r3c5r3c6r3c7r3c8|5,r5c0r5c1|19,r0c7r0c8r1c8|12,r6c7r6c8|17,r0c6r1c6r1c7r2c7r2c8|27,r4c6r4c7r4c8r5c6|18,r0c0r0c1r1c0|13,r7c3r7c4|17,r3c0r3c1r4c0|6,r5c7r5c8|5,r0c2r1c2|24,r7c6r7c7r8c4r8c5r8c6r8c7|19,r3c2r4c1r4c2|27,r6c0r6c1r7c0r7c1r7c2r8c0|10,r0c5r1c5|20,r8c1r8c2r8c3|42,r3c3r4c3r5c3r5c4r5c5r6c3r6c4", "solution": "642193587893257614517468923978531462165724839324986751286349175451672398739815246", "extra": "{\"grid_size\": 9, \"puzzle_number\": 939, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 940, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-11-07", "puzzle": 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"4,r4c8r5c8|26,r2c1r2c2r2c3r3c1r3c2r4c1|33,r6c8r7c6r7c7r7c8r8c7r8c8|22,r1c6r1c7r2c7r3c7|11,r0c2r0c3|19,r5c0r6c0r7c0|17,r2c4r2c5r3c5|19,r8c0r8c1r8c2|15,r4c2r4c3|14,r0c6r0c7r0c8|13,r5c3r6c3r6c4|19,r1c8r2c8r3c8|11,r8c5r8c6|9,r4c5r4c6|24,r0c0r0c1r1c0r1c1r1c2r2c0|36,r4c7r5c6r5c7r6c5r6c6r6c7|12,r3c0r4c0|19,r5c1r6c1r7c1r7c2|13,r0c4r1c3r1c4|12,r7c3r8c3|27,r3c3r3c4r4c4r5c4r5c5|9,r5c2r6c2|10,r0c5r1c5|6,r7c4r7c5r8c4|5,r2c6r3c6", "solution": "189274365342156798657893142713685429526941873894327651235468917961732584478519236", "extra": "{\"grid_size\": 9, \"puzzle_number\": 941, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 942, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-08", "puzzle": "20,r6c3r7c3r8c3|6,r4c3r5c3|12,r0c5r1c5r2c5|11,r5c7r6c7|12,r3c2r3c3r4c2|20,r0c0r0c1r0c2|5,r7c4r7c5|8,r3c5r4c5|4,r0c6r1c6|13,r6c1r7c0r7c1|20,r3c4r4c4r5c4|13,r0c3r0c4|15,r7c6r7c7|11,r3c7r4c7|19,r1c0r2c0r3c0|14,r6c4r6c5r6c6|8,r2c6r3c6|6,r0c7r0c8|5,r8c0r8c1|14,r4c0r5c0r6c0|14,r2c2r2c3r2c4|9,r5c8r6c8r7c8|19,r2c8r3c8r4c8|8,r1c1r1c2|10,r8c4r8c5|9,r5c2r6c2|20,r1c7r1c8r2c7|13,r7c2r8c2|12,r4c1r5c1|11,r1c3r1c4|16,r8c6r8c7r8c8|20,r4c6r5c5r5c6|8,r2c1r3c1", "solution": "398675142671924358425183679967351284182497536543268791856719423714832965239546817", "extra": "{\"grid_size\": 9, \"puzzle_number\": 942, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 943, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-08", "puzzle": "9,r6c2r6c3|19,r0c7r0c8r1c7r1c8|22,r6c7r7c6r7c7r8c6r8c7|10,r4c3r5c3|17,r0c1r0c2r1c1r1c2r2c1|14,r7c0r7c1r8c0r8c1|11,r2c5r2c6|6,r3c5r4c5|7,r0c5r0c6|16,r7c2r7c3r7c4r8c4|22,r2c2r2c3r2c4r3c2|9,r3c6r4c6|33,r0c0r1c0r2c0r3c0r3c1r4c0r5c0|10,r7c5r8c5|29,r3c3r3c4r4c4r5c4r5c5|29,r4c1r5c1r6c0r6c1|11,r0c3r1c3|41,r3c8r4c8r5c7r5c8r6c8r7c8r8c8|20,r2c7r2c8r3c7r4c7|20,r5c6r6c4r6c5r6c6|22,r0c4r1c4r1c5r1c6|12,r8c2r8c3|16,r4c2r5c2", "solution": "942851673871326954635749281416532897387964125259178346793685412164297538528413769", "extra": "{\"grid_size\": 9, \"puzzle_number\": 943, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 944, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-11-08", "puzzle": "9,r5c4r5c5|8,r0c7r1c7|21,r6c5r7c5r7c6|21,r3c5r3c6r4c5r4c6|19,r0c3r0c4r0c5r0c6|10,r5c6r5c7|15,r2c0r2c1|14,r4c8r5c8r6c8r7c8|12,r3c7r4c7|9,r0c0r1c0|14,r6c2r6c3|22,r2c3r2c4r2c5r3c4r4c4|11,r8c0r8c1r8c2|7,r4c0r5c0|13,r0c1r1c1|28,r6c6r6c7r7c7r8c7r8c8|36,r0c8r1c8r2c6r2c7r2c8r3c8|21,r7c2r7c3r8c3r8c4|7,r4c1r5c1|23,r0c2r1c2r1c3r1c4|20,r6c0r6c1r7c0r7c1|22,r2c2r3c0r3c1r3c2|6,r8c5r8c6|10,r4c2r5c2|8,r1c5r1c6|8,r6c4r7c4|11,r3c3r4c3r5c3", "solution": "753816429284795361961234857597183246142659783638472915479568132815327694326941578", "extra": "{\"grid_size\": 9, \"puzzle_number\": 944, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 945, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-11-09", "puzzle": "20,r7c7r7c8r8c8|13,r3c2r4c2r5c2r5c3|15,r1c5r1c6|8,r8c6r8c7|22,r6c2r6c3r6c4r7c4|6,r3c4r3c5|27,r0c1r0c2r0c3r1c3r1c4|9,r7c0r8c0|13,r4c5r4c6|10,r0c8r1c8|12,r5c5r6c5|15,r3c6r3c7|11,r0c4r0c5|5,r7c1r8c1|14,r4c4r5c4|12,r2c0r2c1r2c2|7,r5c6r6c6|14,r2c8r3c8|8,r0c6r0c7|13,r7c2r8c2|11,r4c7r5c7|16,r2c4r2c5r2c6|6,r6c7r6c8|13,r3c0r4c0|10,r0c0r1c0|11,r7c3r8c3|8,r4c8r5c8|3,r1c7r2c7|9,r7c5r7c6|22,r3c1r4c1r5c1|8,r1c1r1c2|11,r8c4r8c5|13,r5c0r6c0r6c1|10,r2c3r3c3r4c3", "solution": "187492356926538714354671829871324965562189437493765281639817542715243698248956173", "extra": "{\"grid_size\": 9, \"puzzle_number\": 945, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 946, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-11-09", "puzzle": "11,r5c4r6c4|9,r1c4r1c5|6,r7c1r8c1|5,r2c5r3c5|33,r0c2r0c3r0c4r1c2r1c3r2c3|9,r5c5r6c5|39,r1c7r2c7r3c7r4c7r5c7r6c7r7c7|15,r7c4r7c5|19,r3c0r4c0r4c1r5c0|18,r0c5r0c6r1c6|21,r5c1r6c1r6c2|17,r2c1r2c2r3c1|25,r6c3r7c2r7c3r8c2r8c3r8c4|36,r3c2r3c3r4c2r4c3r4c4r5c2r5c3|9,r0c7r0c8|10,r5c6r6c6|5,r2c6r3c6|21,r7c6r8c5r8c6|12,r4c5r4c6|14,r0c0r1c0r2c0|4,r6c8r7c8|15,r1c8r2c8|10,r8c7r8c8|13,r3c8r4c8r5c8|4,r0c1r1c1|18,r6c0r7c0r8c0|7,r2c4r3c4", "solution": "736829145219754836584163279857612394163947582492538617975281463328496751641375928", "extra": "{\"grid_size\": 9, \"puzzle_number\": 946, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 947, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-11-09", "puzzle": 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"9,r5c2r5c3r6c2|10,r0c7r1c7|10,r7c1r7c2|18,r3c1r4c0r4c1|15,r0c0r0c1r1c0r1c1|20,r4c6r5c5r5c6r5c7|11,r0c8r1c8|11,r7c4r7c5|36,r2c2r2c4r3c2r3c3r3c4r4c2r4c3|22,r0c3r0c4r0c5r0c6|11,r4c8r5c8|19,r2c0r2c1r3c0|10,r6c6r7c6|18,r4c4r4c5r5c4|14,r0c2r1c2|22,r6c0r6c1r7c0r8c0|7,r2c6r2c7|30,r8c1r8c2r8c3r8c4r8c5|8,r3c7r4c7|11,r1c3r1c4r2c3|14,r6c3r6c4r6c5r7c3|12,r2c5r3c5r3c6|7,r8c6r8c7|9,r5c0r5c1|13,r1c5r1c6|28,r6c7r6c8r7c7r7c8r8c8|10,r2c8r3c8", "solution": "348759126176324985925681437892416573457938612631572849283165794519247368764893251", "extra": "{\"grid_size\": 9, \"puzzle_number\": 949, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 950, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-11-10", "puzzle": "14,r6c4r7c4r8c4|30,r2c6r2c7r3c6r3c7r4c6r4c7|30,r3c0r4c0r4c1r5c0r5c1r6c0|14,r0c7r1c7|43,r5c4r5c5r5c6r6c5r7c5r7c6r8c5r8c6|7,r3c1r3c2|23,r4c2r5c2r5c3|3,r1c1r1c2|9,r7c0r8c0|16,r2c4r2c5r3c4r3c5|30,r4c8r5c7r5c8r6c6r6c7r6c8|23,r0c5r0c6r1c4r1c5r1c6|12,r7c7r7c8r8c7r8c8|25,r0c8r1c8r2c8r3c8|32,r6c2r6c3r7c2r7c3r8c1r8c2r8c3|28,r0c0r0c1r1c0r2c0r2c1|8,r3c3r4c3|10,r6c1r7c1|33,r0c2r0c3r0c4r1c3r2c2r2c3|15,r4c4r4c5", "solution": "849132756712865394365794218934521687156378942278946135681253479527419863493687521", "extra": "{\"grid_size\": 9, \"puzzle_number\": 950, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 951, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-11", "puzzle": "17,r7c8r8c7r8c8|11,r5c6r5c7r5c8|15,r0c7r0c8r1c7r1c8r2c8|14,r7c6r7c7|16,r3c5r4c5r5c5|20,r0c1r0c2r0c3|16,r6c0r6c1r7c1r7c2|21,r1c3r2c3r3c3r4c3|10,r7c0r8c0|13,r4c6r4c7|15,r0c0r1c0r2c0|4,r6c3r6c4|12,r3c0r3c1|10,r8c1r8c2|13,r3c8r4c8|11,r1c1r1c2r2c1|12,r6c5r6c6|9,r2c2r3c2|21,r7c3r8c3r8c4|16,r5c0r5c1|38,r0c4r1c4r2c4r2c5r2c6r3c4r4c4|9,r6c7r6c8|15,r2c7r3c6r3c7|5,r8c5r8c6|7,r5c3r5c4|27,r0c5r0c6r1c5r1c6|8,r7c4r7c5|20,r4c0r4c1r4c2r5c2r6c2", "solution": "697423815852617943143895672486271359231589764975346281569138427314762598728954136", "extra": "{\"grid_size\": 9, \"puzzle_number\": 951, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 952, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-11-11", "puzzle": "14,r8c2r8c3|25,r3c8r4c7r4c8r5c6r5c7|13,r0c4r1c4r1c5r2c5|10,r7c1r7c2|11,r2c0r3c0|13,r0c1r0c2r0c3|6,r8c5r8c6r8c7|9,r5c8r6c8|11,r1c6r1c7|14,r6c3r7c3r7c4r8c4|20,r3c1r3c2r4c0r4c1r5c0|11,r0c5r0c6|7,r6c0r7c0|9,r2c1r2c2|14,r7c6r7c7|24,r3c3r3c4r3c5r3c6|11,r0c7r0c8|9,r5c1r6c1r6c2|24,r1c3r2c3r2c4|12,r7c8r8c8|20,r4c2r4c3r4c4r4c5r4c6|15,r0c0r1c0|24,r6c4r6c5r7c5|15,r2c6r2c7r3c7|11,r8c0r8c1|28,r5c2r5c3r5c4r5c5|9,r1c1r1c2|9,r6c6r6c7|7,r1c8r2c8", "solution": "891325647745916382236784915924673851368251479517849263153498726682137594479562138", "extra": "{\"grid_size\": 9, \"puzzle_number\": 952, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 953, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-11-11", "puzzle": 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"27,r5c2r6c1r6c2r7c0r7c1|14,r2c6r2c7r3c6|17,r5c3r5c4r6c3r6c4|24,r0c1r0c2r0c3|25,r7c2r7c3r8c0r8c1r8c2|12,r2c0r3c0|33,r5c5r5c6r6c5r6c6r7c6|37,r0c4r0c5r0c6r0c7r0c8r1c7r1c8r2c8|4,r7c4r7c5|26,r1c2r2c1r2c2r3c1r3c2r4c2|17,r4c7r5c7r5c8|15,r0c0r1c0r1c1|12,r8c3r8c4|20,r2c5r3c5r4c5r4c6|11,r5c0r5c1r6c0|9,r1c5r1c6|16,r8c5r8c6|17,r3c7r3c8r4c8|21,r6c7r6c8r7c7r7c8r8c7r8c8|42,r1c3r1c4r2c3r2c4r3c3r3c4r4c3r4c4|6,r4c0r4c1", "solution": "478953261295186374361724589934568127517492638826317495182675943749231856653849712", "extra": "{\"grid_size\": 9, \"puzzle_number\": 955, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 956, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-11-12", "puzzle": "14,r6c5r6c6r7c5|25,r0c7r0c8r1c7r1c8|25,r3c3r3c4r3c5r4c5r5c5|18,r0c2r0c3r0c4r0c5|32,r6c0r7c0r7c1r8c0r8c1r8c2|25,r2c0r2c1r3c0r4c0r4c1|18,r4c7r5c6r5c7|9,r0c0r1c0|25,r7c4r7c6r8c4r8c5r8c6|3,r2c7r2c8|17,r5c0r5c1|10,r0c1r1c1r1c2|15,r6c7r7c7r7c8|11,r2c2r3c1r3c2|19,r3c8r4c8r5c8r6c8|16,r1c3r1c4r2c3|4,r7c3r8c3|36,r1c5r2c4r2c5r2c6r3c6r3c7r4c6|30,r5c2r5c3r6c1r6c2r6c3r7c2|14,r0c6r1c6|16,r8c7r8c8|23,r4c2r4c3r4c4r5c4r6c4", "solution": "619432578327815946584769321452673819173598462896241753748926135961357284235184697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 956, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 957, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-13", "puzzle": "3,r7c7r8c7|8,r4c6r5c6|24,r0c4r1c4r1c5r1c6|8,r6c1r7c1|10,r2c6r3c6|8,r0c5r0c6|9,r7c8r8c8|18,r3c7r4c7r5c7|16,r2c0r2c1r2c2r2c3|7,r6c3r6c4|9,r3c0r4c0r5c0|15,r0c7r0c8|4,r8c0r8c1|15,r3c8r4c8r5c8|10,r2c4r2c5|19,r6c5r6c6r6c7r6c8|20,r3c1r4c1r5c1|14,r0c0r1c0|16,r8c2r8c3|9,r5c2r6c2|9,r1c7r2c7|24,r7c2r7c3r7c4r8c4|15,r3c2r4c2|13,r0c1r1c1|9,r5c4r5c5|10,r1c8r2c8|23,r7c5r7c6r8c5r8c6|24,r3c5r4c3r4c4r4c5r5c3|10,r0c2r0c3r1c2r1c3|14,r6c0r7c0|12,r3c3r3c4", "solution": "642195387893467251715328649389571462276849135451236798928613574564782913137954826", "extra": "{\"grid_size\": 9, \"puzzle_number\": 957, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 958, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-13", "puzzle": 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"29,r6c3r7c3r7c4r7c5r7c6|19,r2c2r2c3r3c2r3c3r4c3|15,r5c7r5c8r6c7r6c8|13,r0c1r0c2|9,r8c3r8c4|10,r1c8r2c8|29,r0c3r0c4r0c5r0c6r1c2r1c3|45,r0c0r1c0r2c0r3c0r3c1r4c0r5c0r5c1r6c0|10,r8c5r8c6|22,r2c6r2c7r3c6r3c7|20,r5c2r6c2r7c2r8c2|34,r1c4r1c5r2c4r2c5r3c4r3c5|3,r7c7r8c7|5,r4c1r4c2|16,r6c4r6c5r6c6|24,r0c7r0c8r1c6r1c7|15,r7c8r8c8|17,r3c8r4c6r4c7r4c8|21,r6c1r7c0r7c1r8c0r8c1|14,r1c1r2c1|35,r4c4r4c5r5c3r5c4r5c5r5c6", "solution": "467329158158674293293185647386291574941756382572438961624917835735862419819543726", "extra": "{\"grid_size\": 9, \"puzzle_number\": 959, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 960, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-14", "puzzle": "21,r7c8r8c7r8c8|11,r4c1r5c1|18,r1c2r2c1r2c2|8,r7c3r8c3|16,r3c7r3c8|12,r0c0r0c1r1c0r1c1|10,r5c3r5c4r6c3|24,r1c3r2c3r2c4r2c5|15,r6c4r7c4|19,r3c1r3c2r4c2r5c2|16,r0c2r0c3|31,r5c5r5c6r5c7r6c5r7c5|17,r1c6r2c6|18,r6c6r6c7r7c6r7c7|11,r3c5r3c6r4c5|10,r0c4r0c5|9,r4c8r5c8r6c8|7,r1c8r2c7r2c8|14,r7c2r8c1r8c2|6,r4c6r4c7|21,r0c6r0c7r0c8r1c7|7,r6c1r6c2|11,r2c0r3c0|13,r8c4r8c5r8c6|10,r4c0r5c0|4,r1c4r1c5|24,r6c0r7c0r7c1r8c0|22,r3c3r3c4r4c3r4c4", "solution": "419728356258613974637945812586234197173896425942157683325489761864571239791362548", "extra": "{\"grid_size\": 9, \"puzzle_number\": 960, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 961, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-14", "puzzle": "13,r5c2r5c3|20,r1c5r1c6r2c6|23,r7c7r7c8r8c7r8c8|11,r3c1r4c1|11,r0c2r0c3|21,r6c2r6c3r6c4r6c5r6c6|7,r2c4r2c5|8,r7c5r8c4r8c5|10,r3c2r4c2r4c3|19,r0c6r0c7r0c8r1c7|10,r6c7r6c8|15,r1c8r2c8r3c8|6,r7c6r8c6|29,r3c5r3c6r4c5r5c5|34,r0c0r0c1r1c0r2c0r2c1r2c2r2c3|30,r6c0r7c0r8c0r8c1r8c2|15,r3c3r3c4r4c4r5c4|24,r4c6r4c7r4c8r5c6r5c7r5c8|16,r1c1r1c2r1c3|11,r6c1r7c1|12,r2c7r3c7|15,r5c0r5c1|14,r0c4r0c5r1c4|26,r7c2r7c3r7c4r8c3|5,r3c0r4c0", "solution": "816593472354728961279416385137265849482139756965847213591374628723681594648952137", "extra": "{\"grid_size\": 9, \"puzzle_number\": 961, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 962, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-11-14", "puzzle": "23,r4c4r5c4r5c5r6c4r6c5|9,r1c6r2c6|10,r7c7r7c8|21,r4c0r4c1r5c0r5c1|21,r0c2r0c3r1c2r1c3|9,r4c6r5c6|13,r1c7r2c7|11,r8c0r8c1|11,r4c2r4c3|11,r0c6r0c7r0c8|23,r5c2r5c3r6c1r6c2|12,r1c8r2c8|19,r8c3r8c4r8c5|22,r1c5r2c5r3c5r3c6r4c5|10,r0c0r0c1r1c0|8,r6c0r7c0r7c1|14,r3c0r3c1|33,r5c7r6c6r6c7r6c8r7c6r8c6|14,r3c7r4c7|18,r0c4r0c5r1c4|19,r6c3r7c2r7c3r8c2|17,r2c2r2c3r3c2r3c3|4,r8c7r8c8|17,r3c8r4c8r5c8|18,r1c1r2c0r2c1|8,r7c4r7c5|10,r2c4r3c4", "solution": "546379218198426573723815469864291357235687194971534826389162745417953682652748931", "extra": "{\"grid_size\": 9, \"puzzle_number\": 962, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 963, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-15", "puzzle": "11,r7c8r8c8|12,r4c6r4c7r5c6|25,r0c4r0c5r1c4r1c5r2c4|8,r6c5r6c6|14,r2c1r3c1|24,r0c6r0c7r0c8r1c6|25,r7c2r8c0r8c1r8c2|16,r5c7r6c7|10,r2c2r2c3|35,r6c4r7c3r7c4r8c3r8c4|9,r3c2r4c1r4c2|9,r0c0r1c0|10,r4c8r5c8r6c8|21,r2c5r2c6r3c5r3c6|4,r7c5r8c5|11,r3c3r4c3|9,r0c1r1c1|6,r6c0r7c0|17,r1c7r2c7r3c7r3c8|7,r7c6r8c6|16,r3c4r4c4r5c4|12,r0c2r1c2|20,r5c0r5c1r6c1r7c1|10,r1c8r2c8|13,r7c7r8c7|10,r4c5r5c5|9,r0c3r1c3|17,r5c2r5c3r6c2r6c3|15,r2c0r3c0r4c0", "solution": "387219546615748923294635817452397168961824735873156294539482671126573489748961352", "extra": "{\"grid_size\": 9, \"puzzle_number\": 963, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 964, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-11-15", "puzzle": "10,r8c7r8c8|24,r3c3r3c4r4c4r5c3r5c4|19,r2c1r2c2r3c2|7,r6c8r7c8|13,r4c0r4c1|19,r0c3r0c4r0c5r0c6|17,r3c6r4c6r5c6|9,r1c3r2c3|14,r7c0r8c0r8c1|9,r4c2r4c3|11,r0c7r0c8|12,r5c2r6c1r6c2|17,r1c4r1c5r2c4|12,r7c1r7c2r8c2|16,r3c5r4c5r5c5|19,r0c0r0c1r1c0|9,r6c3r7c3|11,r2c5r2c6r2c7|17,r7c6r7c7|28,r3c7r3c8r4c7r4c8r5c7r5c8|10,r0c2r1c1r1c2|12,r6c4r7c4r7c5|12,r1c8r2c8|24,r8c3r8c4r8c5r8c6|15,r5c0r5c1r6c0|11,r1c6r1c7|11,r6c5r6c6r6c7|17,r2c0r3c0r3c1", "solution": "843912756716358294529647318398164527674529831152873469937286145465731982281495673", "extra": "{\"grid_size\": 9, \"puzzle_number\": 964, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 965, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-11-15", "puzzle": "20,r5c7r5c8r6c7r6c8r7c8|13,r1c5r1c6|41,r7c0r7c1r7c2r7c3r7c4r7c5r7c6r8c3|12,r3c4r3c5r4c4|15,r0c1r0c2|10,r5c0r6c0|13,r2c0r2c1|16,r8c0r8c1r8c2|20,r3c0r3c1r4c0r4c1r5c1|8,r0c3r0c4|18,r5c2r6c1r6c2|12,r1c4r2c4|20,r8c4r8c5r8c6|16,r3c3r4c2r4c3|19,r0c5r0c6r0c7r0c8|10,r5c3r6c3|9,r2c5r2c6r3c6|9,r7c7r8c7r8c8|17,r4c6r4c7r4c8|11,r0c0r1c0r1c1|9,r6c4r6c5|18,r1c7r2c7r3c7r3c8|15,r4c5r5c4r5c5|23,r1c2r1c3r2c2r2c3r3c2|16,r5c6r6c6|15,r1c8r2c8", "solution": "387264195621859437495371628176538249542917386839426751218645973963782514754193862", "extra": "{\"grid_size\": 9, \"puzzle_number\": 965, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 966, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-16", "puzzle": 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"15,r5c3r5c4r6c3|37,r0c1r0c2r1c1r1c2r2c1r3c1r4c1|25,r6c0r7c0r7c1r8c0r8c1|7,r2c7r3c7|15,r0c3r0c4|12,r3c6r4c6r5c6|14,r2c2r2c3r2c4|16,r7c3r8c2r8c3|10,r4c0r5c0|5,r0c0r1c0|12,r5c8r6c8|6,r1c6r2c6|11,r7c4r7c5|28,r3c3r4c3r4c4r4c5r5c5|11,r1c3r1c4|5,r6c2r7c2|10,r2c0r3c0|9,r7c8r8c8|9,r3c8r4c8|14,r0c5r0c6r1c5|12,r6c4r6c5r6c6|18,r3c2r4c2r5c2|12,r8c4r8c5|8,r5c1r6c1|31,r0c7r0c8r1c7r1c8r2c8|38,r4c7r5c7r6c7r7c6r7c7r8c6r8c7|15,r2c5r3c4r3c5", "solution": "483962571152387496769145238396528147845719362217436859974851623631274985528693714", "extra": "{\"grid_size\": 9, \"puzzle_number\": 967, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 968, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-11-16", "puzzle": 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"12,r3c8r4c8|10,r1c2r2c2|16,r6c0r7c0r8c0|8,r4c1r5c1|28,r0c2r0c3r0c4r0c5r1c5|16,r5c2r6c1r6c2|27,r2c3r2c4r3c2r3c3|16,r7c4r7c5|14,r4c2r4c3|18,r0c6r0c7r1c6r1c7|5,r5c3r6c3|12,r3c0r3c1|26,r6c7r6c8r7c7r7c8r8c7r8c8|9,r3c4r4c4r5c4|27,r0c0r0c1r1c0r1c1r2c0r2c1|12,r5c7r5c8|9,r2c5r3c5|15,r7c1r7c2r8c1r8c2|4,r4c5r4c6|10,r1c3r1c4|18,r5c5r5c6r6c4r6c5|14,r2c6r2c7r3c6|31,r7c3r8c3r8c4r8c5r8c6|11,r3c7r4c7|15,r0c8r1c8r2c8|10,r6c6r7c6|12,r4c0r5c0", "solution": "148637592597284316263591847936718254475923168812465739759142683681379425324856971", "extra": "{\"grid_size\": 9, \"puzzle_number\": 969, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 970, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-11-17", "puzzle": 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"28,r7c1r8c1r8c2r8c3r8c4|16,r5c0r6c0|7,r0c8r1c8|6,r6c7r6c8|15,r2c5r3c5r4c5|11,r0c2r0c3|6,r8c5r8c6|14,r4c2r5c2|14,r2c0r2c1|3,r7c0r8c0|5,r3c6r4c6|25,r0c4r0c5r0c6r0c7r1c7|12,r4c3r5c3r6c3|12,r1c4r2c4|6,r7c2r7c3|8,r2c8r3c8|21,r0c0r0c1r1c0r1c1|17,r5c6r5c7|12,r2c6r2c7r3c7|27,r6c5r6c6r7c5r7c6|13,r3c0r4c0r4c1|19,r1c2r1c3r2c2r2c3|9,r5c1r6c1r6c2|10,r3c1r3c2|27,r7c7r7c8r8c7r8c8|12,r4c7r4c8r5c8|11,r1c5r1c6|14,r6c4r7c4|25,r3c3r3c4r4c4r5c4r5c5", "solution": "832914756647352981591876423428791365369548217715623894953187642174269538286435179", "extra": "{\"grid_size\": 9, \"puzzle_number\": 972, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 973, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-18", "puzzle": 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"19,r5c1r5c2r5c3r6c3|8,r0c8r1c7r1c8|20,r7c3r7c4r7c5r8c4|15,r3c0r4c0r4c1r5c0|24,r0c0r0c1r1c0r2c0|16,r5c5r5c6r5c7r6c5|9,r2c1r2c2|3,r6c7r7c7|10,r4c2r4c3|10,r0c2r0c3r0c4|17,r5c4r6c4|9,r2c6r2c7|10,r8c0r8c1|12,r2c4r3c4r4c4|27,r0c5r0c6r0c7r1c6|17,r6c8r7c8|12,r3c1r3c2|22,r6c6r7c6r8c5r8c6|15,r4c5r4c6|29,r1c1r1c2r1c3r2c3r3c3|21,r6c0r6c1r6c2r7c0|12,r3c5r3c6r3c7|12,r8c7r8c8|15,r4c7r4c8r5c8|13,r1c4r1c5r2c5|17,r7c1r7c2r8c2r8c3|11,r2c8r3c8", "solution": "592714863673825941418936275957243186134658792286197534765481329349572618821369457", "extra": "{\"grid_size\": 9, \"puzzle_number\": 974, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 975, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-19", "puzzle": 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"5,r5c0r6c0|10,r1c4r2c4|12,r8c2r8c3r8c4|12,r4c1r4c2|18,r0c2r0c3r0c4|14,r6c2r6c3|3,r1c5r2c5|22,r6c4r7c4r7c5r8c5|39,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|9,r0c5r0c6|28,r6c1r7c0r7c1r8c0r8c1|11,r2c0r3c0r4c0|11,r5c1r5c2|26,r0c0r0c1r1c0r1c1|7,r7c2r7c3|7,r2c6r3c6|22,r5c5r5c6r6c5r6c6|39,r1c2r1c3r2c1r2c2r2c3r3c1r3c2r3c3|14,r6c7r7c6r7c7|17,r2c7r3c7|20,r4c6r4c7r5c7r5c8|23,r0c7r0c8r1c6r1c7r1c8|24,r6c8r7c8r8c6r8c7r8c8|12,r2c8r3c8r4c8", "solution": "874596321561832479293471685357268194648719253129354867485923716736185942912647538", "extra": "{\"grid_size\": 9, \"puzzle_number\": 976, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 977, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-11-19", "puzzle": "11,r4c7r5c6r5c7|7,r1c7r1c8|15,r6c5r7c5r7c6|40,r2c8r3c8r4c8r5c8r6c8r7c8r8c8|23,r0c1r0c2r0c3|9,r6c1r6c2|11,r1c1r2c1r2c2|16,r8c0r8c1r8c2|19,r4c2r4c3r4c4r4c5r4c6|10,r0c6r0c7r0c8|23,r6c6r6c7r7c7|14,r2c6r2c7|13,r8c5r8c6r8c7|10,r1c2r1c3r2c3|38,r0c0r1c0r2c0r3c0r4c0r5c0r6c0|10,r7c0r7c1|15,r3c1r3c2r4c1|13,r5c1r5c2|18,r0c4r1c4r2c4r2c5|15,r7c2r7c3r8c3|18,r3c3r3c4r3c5|12,r5c3r5c4r5c5|22,r0c5r1c5r1c6|16,r6c3r6c4r7c4r8c4|7,r3c6r3c7", "solution": "369845271715269834428371596283594617941627358576183429854712963192436785637958142", "extra": "{\"grid_size\": 9, \"puzzle_number\": 977, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 978, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-20", "puzzle": "10,r5c1r5c2|30,r0c2r1c2r2c0r2c1r2c2|15,r7c2r7c3|12,r3c0r4c0|12,r0c3r0c4|12,r4c6r5c6|10,r2c3r2c4|24,r6c6r6c7r7c6r7c7|8,r3c1r4c1|18,r0c5r0c6r0c7|16,r5c0r6c0r7c0|9,r1c5r2c5|19,r8c0r8c1r8c2|10,r3c2r4c2|15,r0c0r0c1r1c0r1c1|6,r6c1r6c2r7c1|6,r1c6r1c7r2c6|10,r7c4r7c5r8c3r8c4|39,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|13,r1c3r1c4|10,r5c3r6c3|14,r3c5r3c6|36,r5c8r6c8r7c8r8c5r8c6r8c7r8c8|10,r3c8r4c7r4c8r5c7|17,r0c8r1c8r2c8|13,r6c4r6c5|11,r2c7r3c7", "solution": "243571896185496237697283154372845961918762543564139728431958672729614385856327419", "extra": "{\"grid_size\": 9, \"puzzle_number\": 978, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 979, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-20", "puzzle": 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"9,r5c4r6c4|5,r1c7r1c8|28,r3c4r4c3r4c4r4c5r5c5r6c5|10,r0c1r0c2r1c1|18,r5c6r5c8r6c6r6c7r6c8|24,r1c2r2c2r2c3r3c3|31,r3c7r3c8r4c7r4c8r5c7|17,r0c6r0c7r0c8|8,r7c7r7c8|28,r0c5r1c5r2c4r2c5r3c5r3c6r4c6|24,r5c0r6c0r7c0r8c0|27,r0c0r1c0r2c0r2c1r3c0r4c0|36,r7c3r7c4r7c5r7c6r8c2r8c3r8c4|8,r1c6r2c6|29,r5c1r6c1r6c2r7c1r7c2r8c1|15,r0c3r1c3|13,r8c5r8c6|15,r2c7r2c8|11,r5c3r6c3|15,r0c4r1c4|8,r8c7r8c8|26,r3c1r3c2r4c1r4c2r5c2", "solution": "714862359258793614369451287125376498893124765647985132576219843481537926932648571", "extra": "{\"grid_size\": 9, \"puzzle_number\": 980, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 981, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-21", "puzzle": "12,r7c4r7c5|23,r4c2r4c3r4c4r4c5r4c6|15,r1c3r1c4|10,r5c0r6c0r7c0|7,r2c3r3c3|17,r0c0r0c1|11,r7c6r7c7r7c8|19,r4c7r5c6r5c7|9,r1c6r1c7|10,r5c1r6c1|9,r2c4r3c4|9,r0c2r0c3|9,r8c0r8c1|4,r4c8r5c8|18,r2c0r2c1r2c2|10,r6c3r7c3|16,r2c6r3c5r3c6|12,r0c4r0c5r0c6|15,r8c2r8c3r8c4|15,r5c2r5c3r6c2|10,r1c5r2c5|17,r6c6r6c7r6c8|15,r3c0r4c0|7,r0c7r0c8|12,r8c5r8c6|16,r5c4r6c4|14,r2c7r3c7|13,r7c1r7c2|12,r3c1r3c2r4c1|8,r1c0r1c1r1c2|9,r8c7r8c8|7,r5c5r6c5|15,r1c8r2c8r3c8", "solution": "892745316431968275576312498617483952943527681285691743124876539758239164369154827", "extra": "{\"grid_size\": 9, \"puzzle_number\": 981, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 982, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-21", "puzzle": "6,r4c8r5c8|28,r1c5r1c6r1c7r2c5r2c6|13,r7c0r8c0|11,r4c2r4c3|11,r0c4r0c5r0c6r0c7|6,r5c0r5c1r6c0|9,r2c2r3c2|8,r8c2r8c3r8c4|9,r3c6r4c6|28,r0c0r1c0r2c0r2c1r3c0|26,r6c4r6c5r7c5r8c5|10,r2c3r3c3|13,r6c6r7c6r8c6|11,r5c2r5c3r6c2|31,r0c1r0c2r0c3r1c1r1c2|21,r6c7r6c8r7c7|11,r2c4r3c4r3c5|11,r7c8r8c7r8c8|17,r4c4r5c4|12,r1c3r1c4|24,r6c1r7c1r7c2r8c1|27,r2c7r2c8r3c7r3c8r4c7|21,r4c5r5c5r5c6r5c7|13,r0c8r1c8|14,r6c3r7c3r7c4|14,r3c1r4c0r4c1", "solution": "497851236652934817381726954718345629945682371236197485124563798569278143873419562", "extra": "{\"grid_size\": 9, \"puzzle_number\": 982, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 983, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-11-21", "puzzle": 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"8,r7c7r8c7|6,r4c5r5c5|16,r1c6r1c7r2c6|10,r6c6r6c7r6c8|9,r3c6r3c7|25,r0c1r0c2r0c3r0c4r1c1|15,r7c8r8c8|9,r5c6r5c7|16,r2c0r2c1r2c2|23,r6c0r7c0r8c0r8c1|16,r4c6r4c7|34,r0c5r0c6r0c7r0c8r1c8|9,r4c8r5c8|10,r2c3r2c4|11,r7c3r7c4|30,r4c1r4c2r5c0r5c1|9,r0c0r1c0|16,r6c1r7c1r7c2|6,r2c7r2c8r3c8|9,r8c2r8c3r8c4|9,r5c2r5c3|4,r1c2r1c3|13,r6c2r6c3|7,r3c0r3c1r4c0|12,r7c6r8c6|5,r4c4r5c4|17,r1c4r1c5r2c5|18,r6c4r6c5r7c5r8c5|33,r3c2r3c3r3c4r3c5r4c3", "solution": "328519647691374528457286913145897362286431795973625184864953271519742836732168459", "extra": "{\"grid_size\": 9, \"puzzle_number\": 984, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 985, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2009-11-22", "puzzle": 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"17,r6c0r6c1r7c0r8c0r8c1|38,r1c6r1c7r1c8r2c6r2c7r3c6r3c7|25,r4c5r4c6r5c5r5c6r6c6|21,r0c0r0c1r0c2r0c3r1c1|33,r7c1r7c2r7c3r8c2r8c3|10,r2c4r3c4|8,r4c8r5c8|32,r0c4r0c5r0c6r0c7r0c8|23,r7c4r7c5r7c6r8c4r8c5r8c6|5,r2c8r3c8|14,r5c2r6c2|21,r1c2r1c3r1c4r1c5|9,r7c7r8c7|23,r3c0r3c1r4c1r4c2r5c1|30,r2c3r3c2r3c3r4c3r5c3r6c3|20,r1c0r2c0r2c1r2c2|15,r4c0r5c0|29,r4c7r5c7r6c7r6c8r7c8r8c8|12,r2c5r3c5|20,r4c4r5c4r6c4r6c5", "solution": "371284956286159374954637182412875693893416527765392841639728415547961238128543769", "extra": "{\"grid_size\": 9, \"puzzle_number\": 986, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 987, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-23", "puzzle": "7,r8c0r8c1|16,r4c6r4c7r4c8|4,r0c6r1c6|13,r6c0r6c1|15,r2c5r3c5|14,r0c0r0c1|28,r7c3r7c4r8c3r8c4|3,r5c0r5c1|15,r1c7r1c8|13,r6c4r6c5r6c6|10,r2c6r3c6|13,r0c2r0c3|10,r8c5r8c6|10,r5c2r6c2|11,r2c2r2c3r2c4|16,r7c0r7c1|5,r3c7r3c8|20,r0c4r0c5r1c4r1c5|11,r8c7r8c8|9,r5c3r6c3|13,r2c7r2c8|7,r7c2r8c2|18,r4c0r4c1r4c2|9,r0c7r0c8|9,r5c6r5c7|7,r2c0r3c0|18,r6c7r7c5r7c6r7c7r7c8|33,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|24,r1c0r1c1r1c2r1c3r2c1|13,r5c8r6c8|11,r3c1r3c2", "solution": "684953127715248396293176458547819632369524781128367549852631974976485213431792865", "extra": "{\"grid_size\": 9, \"puzzle_number\": 987, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 988, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-23", "puzzle": "14,r5c7r6c7|15,r2c5r2c6r3c5|17,r7c4r7c5r8c4r8c5|9,r4c0r4c1|20,r0c0r0c1r0c2r1c0|9,r5c8r6c8|30,r0c8r1c7r1c8r2c7r2c8|17,r6c6r7c6r7c7|15,r4c3r4c4r4c5|15,r1c1r1c2r2c2|22,r6c0r6c1r7c0r7c1r8c0|8,r2c0r3c0|21,r7c8r8c6r8c7r8c8|10,r4c7r4c8|19,r0c3r0c4r1c3r1c4|12,r5c3r6c2r6c3|11,r2c1r3c1|20,r4c2r5c0r5c1r5c2|22,r0c5r0c6r0c7r1c5r1c6|17,r6c4r6c5|13,r3c2r3c3r3c4|10,r5c4r5c5r5c6|13,r2c3r2c4|30,r7c2r7c3r8c1r8c2r8c3|16,r3c6r3c7r3c8r4c6", "solution": "973681425154237869286945173637429581819573246542816397461398752325764918798152634", "extra": "{\"grid_size\": 9, \"puzzle_number\": 988, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 989, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-11-23", "puzzle": "26,r4c3r5c3r6c3r7c2r7c3|4,r0c8r1c8|14,r6c6r7c6r8c6|9,r2c8r3c8|14,r0c0r0c1r1c0r1c1|22,r5c5r5c6r5c7r6c7|23,r2c0r3c0r4c0r4c1|19,r8c2r8c3r8c4|17,r3c4r4c4r5c4|16,r0c4r0c5r0c6|26,r4c7r4c8r5c8r6c8|26,r2c1r3c1r3c2r3c3|18,r7c7r7c8r8c7r8c8|15,r5c0r6c0|14,r0c2r1c2r2c2|9,r7c0r8c0|31,r1c5r1c6r2c5r3c5r4c5|7,r5c1r6c1|22,r0c3r1c3r1c4r2c3r2c4|5,r7c1r8c1|8,r2c6r3c6r4c6|12,r4c2r5c2r6c2|16,r0c7r1c7|25,r6c4r6c5r7c4r7c5r8c5|7,r2c7r3c7", "solution": "175462893243598671986317425692781354357649182814253967761835249429176538538924716", "extra": "{\"grid_size\": 9, \"puzzle_number\": 989, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 990, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-24", "puzzle": "42,r5c0r5c1r6c0r6c1r6c2r7c0r8c0r8c1|16,r0c8r1c8|8,r8c2r8c3|15,r2c1r3c1r4c1|7,r0c0r0c1|15,r5c3r5c4r6c3r6c4|18,r1c0r1c1r2c0|9,r7c4r8c4|18,r3c2r4c2r5c2|10,r0c2r0c3|31,r5c6r6c6r7c5r7c6r8c5|12,r1c2r2c2|9,r8c6r8c7|19,r3c4r3c5r4c4|23,r0c4r0c5r0c6r1c6r2c6|17,r5c7r5c8r6c7r6c8|12,r1c3r2c3r3c3r4c3|20,r4c5r4c6r5c5r6c5|21,r1c4r1c5r2c4r2c5|16,r7c1r7c2r7c3|9,r2c7r2c8|22,r3c6r3c7r3c8r4c7r4c8|7,r0c7r1c7|16,r7c7r7c8r8c8|13,r3c0r4c0", "solution": "342891657185467329967253481826579134579134268413628795758346912234915876691782543", "extra": "{\"grid_size\": 9, \"puzzle_number\": 990, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 991, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-11-24", "puzzle": "13,r6c4r7c4|8,r4c5r4c6|21,r1c3r2c3r3c3|11,r6c2r6c3|12,r2c6r3c6|9,r0c0r0c1|12,r7c6r7c7|13,r3c7r4c7|3,r1c4r2c4|8,r6c5r6c6|20,r3c0r4c0r5c0|24,r0c2r0c3r0c4r0c5r0c6|21,r6c8r7c8r8c8|12,r3c8r4c8r5c8|16,r1c5r2c5r3c5|7,r5c7r6c7|5,r3c1r4c1|12,r0c7r0c8|11,r8c1r8c2|14,r5c2r5c3|19,r1c6r1c7r2c7|6,r6c0r7c0r8c0|5,r4c2r4c3|11,r1c0r2c0|23,r7c3r7c5r8c3r8c4r8c5|9,r5c5r5c6|7,r1c8r2c8|14,r7c1r7c2|18,r3c4r4c4r5c4|20,r1c1r1c2r2c1|5,r8c6r8c7|12,r5c1r6c1|4,r2c2r3c2", "solution": "812469375465723981793518426621975843534182697978634512359247168286391754147856239", "extra": "{\"grid_size\": 9, \"puzzle_number\": 991, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 992, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-11-24", "puzzle": 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"18,r6c6r6c7r7c6r7c7|16,r2c3r2c4r2c5r3c3|5,r3c8r4c8|7,r0c1r0c2r1c1|38,r6c2r6c3r7c3r8c0r8c1r8c2r8c3|34,r3c0r3c1r3c2r4c0r4c1r5c1|13,r5c3r5c4|31,r0c3r0c4r1c2r1c3r1c4r2c2|26,r7c4r7c5r8c4r8c5r8c6r8c7|11,r2c7r3c7|7,r5c0r6c0|15,r0c5r1c5r1c6r2c6|33,r5c7r5c8r6c8r7c8r8c8|12,r4c2r4c3r5c2|13,r6c4r6c5|35,r0c6r0c7r0c8r1c7r1c8r2c8|10,r3c4r3c5r4c4|22,r6c1r7c0r7c1r7c2|27,r0c0r1c0r2c0r2c1|32,r3c6r4c5r4c6r4c7r5c5r5c6", "solution": "941326785326875149875491362794263851582719634613584297137958426469132578258647913", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1001, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1002, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-11-28", "puzzle": "17,r7c5r7c6r8c6|4,r3c6r4c6|15,r0c7r1c7|17,r6c5r6c6|19,r3c1r3c2r3c3r3c4r3c5|13,r0c3r0c4|7,r7c7r8c7|18,r4c7r4c8r5c8|13,r0c8r1c8|5,r6c7r6c8|15,r2c8r3c7r3c8|15,r0c0r1c0|10,r7c8r8c8|6,r5c0r5c1r6c0|11,r2c0r2c1|5,r7c0r8c0|23,r3c0r4c0r4c1|6,r0c1r1c1|12,r8c4r8c5|32,r5c3r5c4r5c5r5c6r5c7|11,r2c2r2c3|16,r7c1r8c1|11,r4c2r5c2|10,r0c2r1c2r1c3|9,r6c1r6c2|18,r1c4r2c4r2c5|17,r7c2r7c3r8c2r8c3|10,r4c3r4c4r4c5|15,r0c5r0c6r1c5r1c6|18,r6c3r6c4r7c4|7,r2c6r2c7", "solution": "823941765741635298569278431952417386684523179317896542236759814478162953195384627", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1002, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1003, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-28", "puzzle": "17,r5c8r6c7r6c8|7,r0c8r1c8|18,r5c3r6c3r7c3r8c3|6,r4c0r5c0|17,r0c3r0c4r1c3|12,r6c0r6c1|18,r1c4r2c4r3c4|29,r7c6r7c7r7c8r8c6r8c7r8c8|30,r2c2r3c1r3c2r4c1r4c2|31,r0c0r0c1r0c2r1c0r1c1r1c2|13,r5c4r6c4r7c4|11,r2c7r2c8|16,r7c5r8c4r8c5|32,r4c6r4c7r5c6r5c7r6c6|19,r0c5r1c5r2c5r3c5|5,r7c0r8c0|14,r2c0r2c1r3c0|8,r3c8r4c8|3,r0c6r1c6|12,r7c1r8c1|34,r2c3r3c3r4c3r4c4r4c5r5c5r6c5|18,r5c1r5c2r6c2|16,r0c7r1c7|7,r7c2r8c2|12,r2c6r3c6r3c7", "solution": "625849173837561294914273865478956312592317486163428957759134628241685739386792541", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1003, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1004, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-11-28", "puzzle": "15,r6c4r7c4|25,r1c0r1c1r2c0r2c1r3c1|15,r8c7r8c8|20,r3c0r4c0r4c1r5c0|8,r0c0r0c1|30,r5c7r6c7r6c8r7c7r7c8|13,r1c4r2c4|14,r3c8r4c7r4c8r5c8|18,r0c2r0c3r0c4|36,r6c0r7c0r7c1r7c2r8c0r8c1r8c2|11,r2c2r2c3r3c2|13,r4c2r5c1r5c2|11,r1c2r1c3|4,r7c3r8c3|16,r3c3r3c4r4c4r5c4r5c5|29,r4c3r5c3r6c1r6c2r6c3|10,r0c5r1c5|5,r7c5r7c6|31,r2c5r2c6r2c7r3c5r4c5|13,r5c6r6c5r6c6|37,r0c6r0c7r0c8r1c6r1c7r1c8r2c8|14,r8c4r8c5r8c6|17,r3c6r3c7r4c6", "solution": "628917453197453682435286719784629531316548927952731864263894175579162348841375296", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1004, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1006, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-11-29", "puzzle": 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"10,r7c3r7c4|26,r4c2r4c3r4c4r4c5r4c6|5,r1c4r1c5|18,r4c7r5c7r6c7|11,r2c3r3c3|7,r0c0r0c1|18,r5c6r6c6r7c5r7c6|14,r5c0r6c0|7,r1c6r1c7|8,r4c8r5c8|14,r2c4r2c5r2c6r3c4|6,r0c2r0c3|12,r8c1r8c2|3,r5c1r6c1|11,r0c8r1c8|13,r6c8r7c7r7c8|17,r3c5r3c6|9,r0c4r0c5|9,r8c3r8c4|9,r5c2r5c3|15,r1c0r1c1r2c0|7,r7c0r8c0|8,r2c7r3c7|15,r0c6r0c7|12,r8c5r8c6|19,r5c4r6c2r6c3r6c4|11,r3c0r4c0|15,r7c1r7c2|12,r2c8r3c8|28,r1c2r1c3r2c2r3c2|6,r8c7r8c8|13,r5c5r6c5|17,r2c1r3c1r4c1", "solution": "431527698769841253285936417346218975857693142912754386524379861178462539693185724", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1011, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1012, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-01", "puzzle": 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"22,r7c5r7c6r8c5r8c6|14,r5c0r6c0|14,r1c0r1c1r2c0|15,r4c2r5c2r6c2r6c3|10,r2c4r3c4r3c5|9,r0c0r0c1|7,r8c7r8c8|13,r5c3r5c4r6c4|16,r2c5r2c6r3c6r4c6|16,r6c8r7c7r7c8|10,r2c8r3c8|20,r0c2r0c3r1c2r1c3|11,r5c5r6c5|22,r1c7r2c7r3c7|11,r7c3r8c3|11,r3c0r4c0|25,r0c6r0c7r0c8r1c6r1c8|16,r5c6r6c6|19,r2c1r3c1r4c1|11,r7c4r8c4|20,r4c3r4c4r4c5|11,r0c4r1c4|9,r4c7r5c7r6c7|5,r2c2r3c2|24,r7c0r7c2r8c0r8c1r8c2|10,r4c8r5c8|5,r0c5r1c5|16,r5c1r6c1r7c1|13,r2c3r3c3", "solution": "812394567657821493394657281481732659723569148965418732576183924139246875248975316", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1013, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1014, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-12-02", "puzzle": "9,r7c4r8c4|23,r4c6r5c6r6c4r6c5r6c6|14,r1c5r1c6|28,r6c2r6c3r7c2r7c3|15,r2c6r2c7r3c6r3c7|22,r0c0r0c1r1c0r1c1r1c2r2c1|10,r8c5r8c6|12,r4c7r4c8|10,r1c7r1c8|40,r5c7r6c7r7c5r7c6r7c7r7c8r8c7r8c8|5,r2c8r3c8|20,r0c2r0c3r0c4|6,r5c2r5c3|24,r2c2r2c3r3c2r3c3|16,r7c0r8c0|11,r3c1r4c1|9,r0c5r0c6|12,r5c8r6c8|17,r2c5r3c5|5,r7c1r8c1|9,r4c2r4c3|10,r0c7r0c8|5,r5c0r6c0|17,r2c0r3c0r4c0|6,r8c2r8c3|13,r4c4r4c5r5c4r5c5|9,r1c3r1c4|17,r5c1r6c1|11,r2c4r3c4", "solution": "519476382273185946648329751357698124862741593194253867486917235735862419921534678", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1014, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1018, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-03", "puzzle": 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"14,r4c6r5c6|24,r0c6r1c6r1c7r2c7|22,r2c3r3c2r3c3r3c4r4c2|28,r0c0r0c1r1c1r2c1r2c2|7,r5c1r6c1|8,r1c0r2c0|26,r4c3r4c4r5c4r6c4|15,r0c7r0c8|20,r5c8r6c6r6c7r6c8|15,r2c4r2c5r2c6|10,r3c7r4c7r5c7|19,r0c2r0c3r1c2r1c3|29,r6c0r7c0r7c1r7c2r7c3|20,r1c8r2c8r3c8r4c8|12,r5c2r5c3r6c2r6c3|6,r0c4r1c4|37,r7c5r7c6r7c7r7c8r8c5r8c6r8c7r8c8|27,r3c0r3c1r4c0r4c1r5c0|12,r4c5r5c5r6c5|11,r0c5r1c5|33,r7c4r8c0r8c1r8c2r8c3r8c4|10,r3c5r3c6", "solution": "385712496164359872792486153649538217271964538853271964926147385518623749437895621", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1016, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1019, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-12-03", "puzzle": "15,r5c7r6c7|6,r2c5r2c6r2c7|25,r4c0r5c0r5c1r5c2r5c3|36,r0c0r0c1r0c2r1c2r2c2r3c1r3c2|9,r7c0r7c1|33,r1c0r1c1r2c0r2c1r3c0|11,r6c0r6c1|17,r0c3r0c4r1c4|32,r6c8r7c6r7c7r7c8r8c6r8c7r8c8|14,r2c4r3c4|9,r6c2r6c3|27,r0c5r0c6r0c7r1c5|7,r8c0r8c1|5,r4c1r4c2|8,r5c4r6c4|24,r0c8r1c6r1c7r1c8r2c8|44,r7c2r7c3r7c4r7c5r8c2r8c3r8c4r8c5|24,r3c5r3c6r4c4r4c5r4c6|24,r5c5r5c6r6c5r6c6|14,r1c3r2c3r3c3r4c3|21,r3c7r3c8r4c7r4c8r5c8", "solution": "127354896483196257956782134798461523541238769362975481834519672275643918619827345", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1019, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1017, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-12-03", "puzzle": 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"10,r8c7r8c8|13,r4c3r4c4r5c3|20,r1c3r2c3r3c3r3c4r3c5|7,r6c2r7c2|14,r3c2r4c1r4c2|28,r0c0r0c1r0c2r1c0r1c1r1c2|13,r4c5r5c5|10,r1c4r2c4|34,r7c3r7c4r7c5r8c4r8c5|12,r3c6r4c6r5c6|10,r0c3r0c4|20,r6c0r6c1r7c0r7c1|7,r1c5r2c5|18,r7c6r7c7r7c8r8c6|15,r3c7r4c7|10,r0c5r0c6|25,r5c4r6c3r6c4r6c5r6c6|15,r1c8r2c8r3c8r4c8|15,r8c0r8c1|9,r4c0r5c0|10,r0c7r0c8|7,r5c7r6c7|11,r2c0r3c0|5,r8c2r8c3|9,r5c1r5c2|27,r1c6r1c7r2c6r2c7|12,r5c8r6c8|19,r2c1r2c2r3c1", "solution": "564918273139472685782635941498523167615847392327196854946351728251789436873264519", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1021, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1023, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-12-05", "puzzle": "4,r8c4r8c5|4,r3c8r4c8|12,r0c8r1c8|26,r5c8r6c8r7c7r7c8|21,r1c7r2c7r2c8r3c7|6,r0c0r0c1|9,r8c7r8c8|17,r5c1r6c0r6c1r7c1|18,r1c0r1c1r2c0r3c0|8,r7c0r8c0|17,r4c0r5c0|10,r0c3r0c4|18,r5c3r6c2r6c3|15,r2c1r2c2r3c1r3c2|23,r7c2r7c3r8c3|15,r4c1r4c2r5c2|9,r0c6r0c7|7,r6c4r7c4|9,r1c3r2c3|9,r7c6r8c6|31,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|13,r0c2r1c2|15,r6c5r7c5|12,r1c4r2c4|9,r8c1r8c2|16,r3c6r4c6r4c7|15,r0c5r1c5r1c6|20,r5c6r5c7r6c6r6c7|17,r2c5r2c6r3c5", "solution": "427195638596283714381746295142879563875364921963512487719428356238657149654931872", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1023, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1024, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-05", "puzzle": 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"11,r7c2r7c3r8c3|40,r2c0r3c0r4c0r4c1r4c2r5c0r5c1r5c2|10,r5c7r5c8r6c7|29,r0c0r0c1r0c2r0c3r0c4r1c0|10,r7c4r7c5|24,r3c1r3c2r3c3r3c4|38,r6c0r6c1r7c0r7c1r8c0r8c1r8c2|36,r0c5r0c6r0c7r0c8r1c7r1c8|13,r6c6r7c6r8c6|9,r3c6r3c7|18,r4c3r5c3r6c2r6c3|5,r1c1r2c1|15,r6c8r7c7r7c8|9,r2c8r3c8|16,r5c4r6c4|34,r1c2r1c3r1c4r2c2r2c3r2c4|7,r8c4r8c5|11,r3c5r4c4r4c5|14,r5c5r6c5|16,r1c5r1c6r2c5r2c6r2c7|14,r8c7r8c8|26,r4c6r4c7r4c8r5c6", "solution": "267183549543926187918754326759642813326518974481379652672895431195437268834261795", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1030, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1031, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-12-07", "puzzle": 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"19,r7c2r8c1r8c2|5,r3c6r4c6|21,r1c0r2c0r3c0|20,r6c1r6c2r7c1|14,r2c5r3c5|11,r0c0r0c1r0c2|5,r7c5r8c5|14,r4c7r4c8|17,r1c1r1c2r2c1r2c2|14,r6c4r7c4|8,r3c7r3c8|15,r0c4r0c5r1c5|16,r7c3r8c3r8c4|8,r5c0r5c1|3,r1c4r2c4|17,r6c6r6c7r7c6r7c7|13,r4c0r4c1|11,r0c3r1c3|19,r8c6r8c7r8c8|10,r5c3r6c3|17,r1c7r2c6r2c7|17,r5c8r6c8r7c8|3,r4c2r5c2|21,r0c6r0c7r1c6|17,r5c4r5c5r6c5|17,r3c1r3c2|6,r6c0r7c0r8c0|14,r4c3r4c4r4c5|7,r0c8r1c8r2c8|10,r5c6r5c7|16,r2c3r3c3r3c4", "solution": "623854971917326584854719632498635217761248395532197468285961743379482156146573829", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1035, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1036, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-09", "puzzle": 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"29,r5c6r6c4r6c5r6c6r7c4r8c4|17,r0c8r1c8r2c7r2c8|16,r5c0r5c1r6c0|12,r0c2r0c3r1c3|12,r7c5r7c6|24,r1c1r1c2r2c1r2c2|24,r5c2r5c3r6c3|23,r0c5r0c6r0c7r1c7|26,r6c7r6c8r7c8r8c8|14,r2c0r3c0r3c1|29,r3c4r3c5r4c3r4c4r5c4r5c5|7,r0c0r0c1r1c0|13,r7c3r8c2r8c3|18,r2c3r3c2r3c3|19,r6c1r6c2r7c1r7c2|26,r0c4r1c4r2c4r2c5r2c6r3c6|14,r7c7r8c5r8c6r8c7|9,r4c0r4c1r4c2|16,r7c0r8c0r8c1|13,r1c5r1c6|44,r3c7r3c8r4c5r4c6r4c7r4c8r5c7r5c8", "solution": "146537829273198564895642731429365178531874692768921453354719286682453917917286345", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1037, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1038, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-12-10", "puzzle": 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"16,r5c2r5c3r5c4r5c5|8,r0c8r1c8|20,r7c1r7c2r7c3r8c1|21,r2c7r2c8r3c7|15,r0c2r0c3|21,r5c6r5c7r6c6|9,r1c1r2c0r2c1|14,r7c5r7c6|15,r3c0r4c0r5c0|25,r0c4r0c5r0c6r1c4|3,r6c2r6c3|5,r2c3r2c4|12,r7c8r8c7r8c8|33,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|15,r0c0r0c1r1c0|10,r6c4r6c5|14,r2c5r2c6|20,r7c4r8c2r8c3r8c4|16,r3c8r4c8r5c8|11,r1c2r1c3|14,r6c7r6c8r7c7|22,r2c2r3c1r3c2|11,r8c5r8c6|17,r5c1r6c0r6c1|12,r0c7r1c5r1c6r1c7|11,r7c0r8c0|15,r3c3r3c4r3c5r3c6", "solution": "157869342948372156236415987379281465465937218821654793782146539513798624694523871", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1039, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1040, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-12-10", "puzzle": "15,r5c2r5c3r6c2r6c3|8,r1c6r1c7r2c7|10,r7c3r8c3|13,r3c7r3c8r4c7|21,r0c0r0c1r1c1r2c1r2c2|9,r5c5r6c5|9,r1c0r2c0|27,r6c6r7c6r7c7r7c8r8c8|13,r3c0r3c1r4c0|4,r0c3r0c4|12,r5c6r5c7|15,r1c3r2c3|22,r7c0r8c0r8c1|20,r4c1r4c2r4c3|30,r0c6r0c7r0c8r1c8r2c8|20,r6c0r6c1r7c1r7c2r8c2|13,r2c5r2c6r3c6|13,r7c5r8c4r8c5|14,r4c8r5c8|15,r0c2r1c2|17,r5c4r6c4r7c4|8,r3c2r3c3|9,r8c6r8c7|11,r5c0r5c1|20,r0c5r1c4r1c5|9,r6c7r6c8|28,r2c4r3c4r3c5r4c4r4c5r4c6", "solution": "427135689358796124619824753745368291296571438831942576163287945974653812582419367", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1040, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1041, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-12-11", "puzzle": "14,r8c5r8c6|8,r3c8r4c8|8,r1c0r2c0r3c0|22,r5c6r6c5r6c6r7c5r7c6|9,r3c4r3c5|21,r0c0r0c1r0c2|27,r4c0r5c0r6c0r7c0|10,r1c1r2c1r2c2|17,r6c4r7c3r7c4|16,r2c6r3c6|17,r0c3r0c4r1c4|10,r4c5r5c5|11,r2c4r2c5|18,r7c7r8c7r8c8|26,r3c1r3c2r4c1r4c2r5c2|10,r0c5r0c6r0c7r0c8|23,r5c7r5c8r6c7r6c8r7c8|14,r1c7r2c7r3c7|21,r7c1r7c2r8c0r8c1r8c2|8,r4c3r4c4|17,r1c2r1c3|9,r5c1r6c1|12,r1c8r2c8|10,r8c3r8c4|10,r4c6r4c7|8,r1c5r1c6|14,r5c3r5c4r6c2r6c3|15,r2c3r3c3", "solution": "867591324459832617123647985342918756678354192915726843584173269796285431231469578", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1041, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1043, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-12-11", "puzzle": "14,r7c3r7c4r7c5r8c4|7,r2c5r2c6|17,r5c0r5c1r6c1|28,r0c0r0c1r1c0r2c0r3c0|17,r6c8r7c6r7c7r7c8|14,r2c7r2c8|12,r5c2r5c3|28,r0c2r0c3r0c4r0c5r0c6r1c4r1c5|17,r7c2r8c2r8c3|22,r3c1r3c2r4c0r4c1r4c2|20,r6c2r6c3r6c4r6c5|14,r0c7r0c8r1c8|22,r8c5r8c6r8c7r8c8|24,r3c3r3c4r4c3|25,r5c7r5c8r6c6r6c7|10,r1c6r1c7|25,r3c5r3c6r3c7r4c4r4c5r5c4|23,r6c0r7c0r7c1r8c0r8c1|39,r1c1r1c2r1c3r2c1r2c2r2c3r2c4|27,r3c8r4c6r4c7r4c8r5c5r5c6", "solution": "891542376435967821267183495523791684746835219918426537174358962689214753352679148", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1043, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1042, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-11", "puzzle": 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"10,r6c1r7c1|4,r3c0r4c0|11,r0c8r1c8|13,r7c6r8c6|13,r4c1r5c1|12,r2c2r3c2|6,r0c0r0c1|9,r6c2r7c2|13,r4c2r5c2|24,r1c0r1c1r2c0|6,r8c1r8c2|8,r5c3r5c4|14,r2c3r3c3|13,r0c4r0c5|18,r6c3r6c4r7c3|12,r4c3r4c4r4c5|15,r1c5r2c4r2c5|12,r8c3r8c4|8,r5c5r6c5|17,r3c4r3c5|14,r0c6r0c7|20,r6c8r7c7r7c8|7,r3c6r4c6|8,r1c6r2c6|7,r8c7r8c8|8,r5c6r6c6|9,r3c7r4c7|9,r0c2r1c2|11,r7c0r8c0|14,r4c8r5c8|10,r1c7r2c7|11,r5c7r6c7|3,r2c8r3c8|8,r0c3r1c3r1c4|10,r7c4r7c5r8c5|11,r5c0r6c0|7,r2c1r3c1", "solution": "423176958796258143815934762367589421189642375254713689971865234638421597542397816", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1056, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1057, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-16", "puzzle": 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"9,r7c1r8c1|17,r4c5r4c6r5c5r5c6|15,r0c7r1c7|15,r4c8r5c8r6c8|15,r2c1r3c1|14,r0c2r0c3r0c4|10,r7c5r7c6|3,r3c7r4c7|6,r0c8r1c8|15,r6c3r7c2r7c3|16,r2c6r2c7r3c6|10,r0c5r0c6|8,r7c7r8c7|7,r5c0r6c0|7,r2c2r2c3|4,r6c4r7c4|9,r2c8r3c8|11,r0c0r1c0|15,r7c8r8c8|13,r5c2r6c1r6c2|15,r1c4r2c4|9,r6c5r6c6|8,r4c1r5c1|4,r0c1r1c1|11,r8c2r8c3|28,r3c4r3c5r4c4r5c3r5c4|23,r1c5r1c6r2c5|11,r7c0r8c0|25,r3c2r3c3r4c2r4c3|9,r1c2r1c3|12,r8c4r8c5r8c6|15,r5c7r6c7|16,r2c0r3c0r4c0", "solution": "918423765234576891576189342485361927729854613163792584691235478347618259852947136", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1062, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1063, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-18", "puzzle": "9,r4c8r5c8|26,r1c1r1c2r1c3r2c0r2c1r2c2|9,r7c5r7c6r7c7|17,r3c1r4c1r4c2r4c3|10,r0c2r0c3|6,r5c0r6c0|7,r2c3r2c4|21,r6c8r7c8r8c8|33,r2c5r3c5r4c4r4c5r4c6r4c7|11,r0c5r0c6|11,r5c1r6c1|8,r2c6r2c7|9,r8c3r8c4r8c5|12,r5c2r5c3|26,r0c7r0c8r1c7r1c8r2c8r3c8|19,r6c4r6c5r7c4|15,r3c0r4c0|12,r8c6r8c7|9,r5c4r5c5|17,r0c0r0c1r1c0|25,r7c0r7c1r8c0r8c1r8c2|24,r3c2r3c3r3c4|22,r5c6r5c7r6c6r6c7|22,r0c4r1c4r1c5r1c6|19,r6c2r6c3r7c2r7c3|6,r3c6r3c7", "solution": "279168354815734962364529718657893241942651873138472596581347629426985137793216485", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1063, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1064, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2009-12-18", "puzzle": 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"15,r6c6r6c7r7c7|10,r2c2r2c3|12,r4c3r5c3|23,r0c0r0c1r1c0r2c0|14,r7c1r7c2|21,r3c0r3c1r3c2r4c2|9,r6c0r7c0r8c0|22,r0c2r0c3r1c2r1c3|11,r8c1r8c2|25,r3c3r3c4r3c5r4c4r4c5|26,r5c1r5c2r6c1r6c2r6c3|35,r0c4r0c5r0c6r1c4r1c5r2c4r2c5|17,r7c3r7c4r7c5r8c3r8c4|18,r4c0r4c1r5c0|13,r5c4r6c4|42,r0c7r0c8r1c6r1c7r1c8r2c6r2c7r3c7|16,r7c6r8c5r8c6|20,r3c6r4c6r4c7r5c7|14,r5c5r5c6r6c5|3,r1c1r2c1|20,r7c8r8c7r8c8|19,r2c8r3c8r4c8r5c8r6c8", "solution": "789421365516397284324685971972843516863519427451762893138974652295136748647258139", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1067, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1068, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-12-20", "puzzle": 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"15,r7c5r8c5r8c6|14,r5c3r5c4r5c5|12,r0c5r1c5|9,r7c1r7c2|27,r2c1r3c0r3c1r4c0r4c1|10,r0c0r0c1|10,r8c7r8c8|22,r4c7r4c8r5c7r5c8r6c7|6,r1c6r1c7|12,r7c3r8c3|19,r3c3r3c4r3c5|18,r0c2r0c3r1c3|22,r5c0r6c0r6c1r7c0|6,r1c0r2c0|8,r7c4r8c4|18,r3c2r4c2r5c1r5c2|19,r0c6r0c7r0c8|14,r6c2r6c3|13,r2c2r2c3r2c4|9,r7c6r7c7|12,r4c3r4c4r4c5|15,r1c1r1c2|11,r6c4r6c5r6c6|10,r2c5r2c6|12,r8c0r8c1r8c2|24,r3c6r3c7r4c6r5c6|4,r0c4r1c4|13,r6c8r7c8|21,r1c8r2c7r2c8r3c8", "solution": "824615973196837425537249168751496382489372651362158794645981237918723546273564819", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1069, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1071, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2009-12-21", "puzzle": 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"4,r5c6r6c6|11,r0c8r1c8|17,r7c2r7c3r8c3|10,r2c8r3c8|17,r0c0r0c1r1c0r1c1|11,r5c7r6c7|20,r1c3r2c3r3c3r4c3|9,r7c6r8c6|33,r4c1r4c2r5c1r5c2r5c3r6c2|7,r0c3r0c4|14,r4c8r5c8r6c8|17,r1c4r2c4r2c5|15,r6c1r7c1r8c1r8c2|22,r3c4r4c4r5c4|20,r0c6r0c7r1c7r2c7|14,r6c3r6c4r7c4|17,r2c0r3c0r4c0|8,r8c4r8c5|24,r2c6r3c5r3c6r3c7r4c6r4c7|6,r0c2r1c2|19,r4c5r5c5r6c5r7c5|14,r2c1r3c1|27,r7c7r7c8r8c7r8c8|8,r5c0r6c0|18,r0c5r1c5r1c6|9,r7c0r8c0|14,r2c2r3c2", "solution": "354619872812753649769248513985361427146872935273594168698427351537186294421935786", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1072, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1073, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-12-21", "puzzle": "24,r5c8r6c7r6c8r7c8r8c8|18,r1c5r2c4r2c5|15,r8c4r8c5|20,r4c5r4c6r4c7r4c8|26,r0c1r0c2r0c3r0c4r1c1|10,r7c3r7c4|20,r1c7r1c8r2c6r2c7r2c8|3,r8c6r8c7|16,r4c0r5c0r6c0|14,r0c5r0c6r1c6|3,r6c5r7c5|31,r2c0r2c1r2c2r3c0r3c1|16,r4c1r5c1r5c2r6c2|17,r0c7r0c8|20,r6c6r7c6r7c7|26,r3c2r3c3r4c2r4c3|21,r5c3r5c4r6c3r6c4|5,r0c0r1c0|18,r6c1r7c0r7c1r8c0|13,r3c7r3c8|16,r5c5r5c6r5c7|14,r1c2r1c3r1c4r2c3|23,r7c2r8c1r8c2r8c3|16,r3c4r3c5r3c6r4c4", "solution": "453276189192835764768149523914723658236958471875614932681592347327461895549387216", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1073, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1074, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-12-22", "puzzle": 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"33,r5c5r5c6r5c7r6c5r7c5|21,r1c6r1c7r1c8|7,r8c4r8c5r8c6|11,r4c1r5c0r5c1r6c0|19,r0c0r0c1r1c0|20,r6c1r7c1r8c1|9,r2c6r3c6|28,r3c3r3c4r3c5r4c3r4c4r5c3|12,r0c7r0c8|11,r7c2r7c3|36,r3c0r3c1r3c2r4c0r4c2r5c2|12,r4c8r5c8r6c8|26,r0c2r1c1r1c2r2c0r2c1r2c2|35,r6c6r6c7r7c6r7c7r7c8r8c7r8c8|7,r2c7r3c7|15,r6c2r6c3|34,r0c3r0c4r1c3r2c3r2c4r2c5|6,r7c0r8c0|4,r2c8r3c8|15,r5c4r6c4r7c4|12,r0c5r0c6r1c4r1c5|9,r8c2r8c3|23,r4c5r4c6r4c7", "solution": "923576148861423795475981623648297351752138964319654872237849516184765239596312487", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1075, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1077, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-12-23", "puzzle": 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"9,r4c7r5c7|26,r1c5r2c4r2c5r3c5|38,r6c6r6c7r7c6r7c7r7c8r8c7r8c8|10,r3c6r4c6|11,r0c2r0c3|9,r6c3r6c4|9,r2c0r3c0|16,r8c3r8c4|28,r4c0r5c0r6c0r7c0r8c0|29,r0c4r0c5r0c6r0c7r0c8|5,r5c8r6c8|10,r3c3r3c4r4c3|7,r8c5r8c6|20,r4c2r5c1r5c2r5c3|33,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|18,r6c1r6c2r7c1r8c1|13,r2c7r2c8r3c7|17,r4c4r4c5r5c4|11,r1c3r1c4r2c3|17,r7c2r7c3r8c2|16,r3c8r4c8|14,r5c5r5c6r6c5|17,r1c6r1c7r1c8r2c6|11,r7c4r7c5|11,r3c1r3c2r4c1", "solution": "324791685576428193891563472152639847647185239938247561763812954419356728285974316", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1079, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1080, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-12-24", "puzzle": "8,r7c6r7c7r7c8|14,r4c5r5c5|16,r0c8r1c8r2c8|9,r5c8r6c8|12,r3c7r3c8|3,r0c0r0c1|12,r8c1r8c2r8c3|7,r4c6r5c6|24,r0c4r1c3r1c4r2c2r2c3r2c4|8,r6c1r7c1|6,r4c0r4c1|10,r0c2r0c3|11,r8c5r8c6|10,r4c7r4c8|10,r1c7r2c7|28,r6c4r6c5r6c6r7c4r7c5r8c4|6,r3c2r4c2|18,r0c5r0c6r0c7|11,r8c7r8c8|9,r5c0r5c1|16,r2c0r3c0|18,r6c0r7c0r8c0|7,r3c3r4c3|15,r1c0r1c1r1c2|15,r5c2r5c3|17,r2c1r3c1|29,r6c2r6c3r7c2r7c3|14,r3c4r4c4r5c4|22,r1c5r1c6r2c5r2c6|11,r5c7r6c7|9,r3c5r3c6", "solution": "126498375573216849984357162795123684241689537368745291437561928659872413812934756", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1080, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1081, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-24", "puzzle": 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"19,r5c4r6c4r7c4r7c5|23,r1c2r1c3r2c1r2c2r2c3|30,r8c2r8c3r8c4r8c5r8c6|6,r3c3r4c3r5c3|16,r0c0r0c1|27,r5c5r5c6r6c5r6c6r6c7|17,r1c4r1c5r2c4r3c4|11,r4c4r4c5|19,r0c2r0c3r0c4r0c5r0c6|19,r6c0r7c0r7c1|31,r2c5r2c6r2c7r3c5r3c6|25,r3c7r4c6r4c7r4c8r5c7|19,r1c0r1c1r2c0|7,r7c6r7c7r8c7|22,r3c0r3c1r4c0r5c0r5c1|10,r5c8r6c8|17,r0c7r1c6r1c7|11,r7c8r8c8|15,r2c8r3c8|26,r6c1r6c2r6c3r7c2r7c3|7,r0c8r1c8|5,r8c0r8c1|23,r3c2r4c1r4c2r5c2", "solution": "791832564684517923532946187146259738853174692279368451418625379967483215325791846", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1082, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1083, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-12-25", "puzzle": 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"11,r7c1r8c0r8c1|21,r4c2r4c3r4c4r4c5r4c6|10,r0c7r0c8r1c7|6,r5c5r5c6|11,r3c4r3c5|15,r0c1r0c2|18,r6c3r7c2r7c3|12,r4c7r5c7|14,r1c3r2c3|8,r5c8r6c8|7,r2c6r3c6|14,r0c3r0c4r0c5r0c6|20,r6c6r6c7r7c6r7c7|6,r4c0r5c0|14,r1c4r2c4|14,r6c0r7c0|5,r2c7r3c7|9,r0c0r1c0|7,r7c8r8c8|11,r5c1r6c1|15,r1c8r2c8|10,r6c4r7c4|12,r3c8r4c8|18,r1c1r1c2r2c1r2c2|16,r8c2r8c3r8c4r8c5|9,r5c2r6c2|10,r2c0r3c0|10,r6c5r7c5|14,r3c1r4c1|18,r1c5r1c6r2c5|17,r8c6r8c7|12,r5c3r5c4|11,r3c2r3c3", "solution": "869214753174653829325897146758329614491576238236481597583962471912748365647135982", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1086, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1087, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-26", "puzzle": 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"3,r8c2r8c3|13,r5c2r5c3|14,r2c0r2c1r3c1|25,r7c0r7c1r8c0r8c1|13,r2c4r3c4r4c4r5c4|13,r0c7r0c8|11,r8c4r8c5|6,r5c6r5c7|16,r2c2r2c3|11,r7c2r7c3|8,r3c0r4c0|31,r0c0r0c1r0c2r1c0r1c1r1c2|13,r8c6r8c7|17,r3c8r4c8r5c8|6,r0c6r1c6r2c6|13,r6c4r7c4|13,r4c1r4c2r4c3|12,r0c3r1c3|12,r6c1r6c2r6c3|22,r1c7r2c7r3c7r4c7|6,r7c5r7c6|27,r3c5r3c6r4c5r4c6|15,r0c4r1c4|15,r5c5r6c5|11,r1c8r2c8|13,r6c8r7c8r8c8|19,r5c0r5c1r6c0|9,r0c5r1c5r2c5|15,r6c6r6c7r7c7|3,r3c2r3c3", "solution": "257863194863491275149725386591274638326518947784936512415689723978352461632147859", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1089, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1088, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-12-26", "puzzle": "15,r4c0r5c0|10,r0c6r1c6|15,r7c4r7c5|15,r3c1r3c2r4c1r4c2|5,r0c2r0c3|10,r5c5r6c5r6c6|40,r0c7r0c8r1c7r1c8r2c7r2c8r3c7|14,r7c6r7c7|9,r4c3r5c2r5c3|19,r0c4r0c5r1c5|14,r5c8r6c7r6c8|7,r2c4r2c5r2c6|15,r7c8r8c7r8c8|17,r3c4r4c4r5c4|13,r0c0r0c1r1c0|18,r6c2r6c3r6c4|16,r2c0r2c1r3c0|12,r7c3r8c3r8c4|17,r3c5r3c6r4c5|10,r1c1r1c2|36,r5c1r6c0r6c1r7c0r7c1r8c0r8c1|21,r2c2r2c3r3c3|8,r8c5r8c6|18,r4c6r4c7r5c6r5c7|11,r1c3r1c4|9,r7c2r8c2|11,r3c8r4c8", "solution": "834197625219653478756824193421785369675439812983261547568912734142378956397546281", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1088, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1090, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-27", "puzzle": 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"10,r6c8r7c8|11,r4c0r4c1|11,r1c6r1c7|9,r8c4r8c5|7,r6c0r6c1|3,r2c5r2c6|10,r0c0r0c1|12,r7c0r8c0|21,r4c2r4c3r4c4r4c5r4c6|11,r0c8r1c8|11,r8c7r8c8|8,r6c2r6c3|13,r2c7r2c8|14,r0c3r0c4|14,r7c1r7c2|13,r4c7r4c8|10,r1c0r2c0|9,r6c4r7c4|11,r3c0r3c1|9,r0c6r0c7|5,r7c3r8c3|11,r5c0r5c1r5c2|5,r1c1r2c1|15,r6c5r7c5|28,r3c2r3c3r3c4r3c5|20,r0c2r1c2r2c2|15,r6c6r7c6r8c6|21,r5c3r5c4r5c5r5c6|6,r1c3r2c3|9,r6c7r7c7|6,r3c6r3c7r3c8|7,r0c5r1c5|11,r8c1r8c2|13,r5c7r5c8|16,r1c4r2c4", "solution": "197863542625174839438592176569487321743921658812635794251746983386259417974318265", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1095, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1094, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-12-28", "puzzle": 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"13,r4c0r5c0r6c0|12,r1c6r1c7r1c8|23,r6c7r7c7r7c8r8c7r8c8|19,r3c7r4c6r4c7r5c6r5c7|29,r0c0r0c1r1c0r1c1r2c1|18,r7c0r7c1r7c2|21,r2c8r3c8r4c8|14,r5c2r6c1r6c2|15,r0c2r0c3r0c4|22,r7c3r7c4r8c3|3,r2c0r3c0|14,r4c3r5c3r6c3|12,r0c6r0c7r0c8|25,r6c4r6c5r6c6r7c5r7c6|17,r2c5r3c5r4c5|19,r3c3r3c4r4c4r5c4r5c5|21,r1c2r1c3r2c2r2c3r2c4|17,r8c0r8c1r8c2|21,r2c6r2c7r3c6|11,r5c8r6c8|20,r0c5r1c4r1c5|13,r8c4r8c5r8c6|26,r3c1r3c2r4c1r4c2r5c1", "solution": "728619543564783291193254768219365874635478129487921635352147986846592317971836452", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1093, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1096, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-29", "puzzle": 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"10,r6c5r7c5|7,r4c5r4c6|17,r0c5r0c6r1c5|13,r6c3r6c4|27,r3c4r3c5r4c4r5c3r5c4|9,r0c7r0c8r1c8|14,r7c6r8c5r8c6|23,r3c7r4c7r5c7|18,r1c6r1c7r2c7|6,r6c7r7c7|9,r2c6r3c6|16,r0c0r0c1r1c0|16,r7c8r8c7r8c8|16,r5c0r6c0|12,r1c1r2c1|23,r6c1r7c1r7c2|13,r2c8r3c8|20,r0c2r0c3r1c2|11,r7c0r8c0r8c1|3,r5c2r6c2|5,r2c4r2c5|11,r7c3r8c2r8c3|12,r3c1r4c1r5c1|15,r1c3r2c3|13,r5c5r5c6r6c6|9,r2c0r3c0r4c0|13,r7c4r8c4|11,r4c2r4c3|7,r0c4r1c4|14,r4c8r5c8r6c8|12,r2c2r3c2r3c3", "solution": "627914835834765921195832476346129587578346192912578364761493258489257613253681749", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1098, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1099, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-30", "puzzle": "5,r5c0r6c0|12,r2c2r2c3|10,r7c4r7c5|13,r4c1r5c1|27,r0c3r0c4r0c5r0c6r0c7|8,r5c4r6c4|13,r1c5r2c5|6,r7c6r8c6|7,r4c2r5c2|17,r0c0r1c0r2c0|33,r4c8r5c6r5c7r5c8r6c7|28,r0c8r1c6r1c7r1c8r2c6r2c7|13,r7c7r8c7|38,r3c3r3c5r4c3r4c4r4c5r5c3r5c5|8,r0c1r1c1|36,r6c1r6c2r7c0r7c1r7c2r8c0|27,r2c1r3c0r3c1r3c2r4c0|14,r6c8r7c8r8c8|8,r3c6r4c6|11,r0c2r1c2|5,r6c3r7c3|14,r2c4r3c4|26,r8c1r8c2r8c3r8c4r8c5|4,r3c7r4c7|4,r1c3r1c4|13,r6c5r6c6|5,r2c8r3c8", "solution": "163542798928317456754896321671958234892734615345621987237165849589473162416289573", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1099, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1100, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2009-12-30", "puzzle": "19,r8c0r8c1r8c2|19,r4c0r4c1r5c1r6c1|9,r1c4r1c5|16,r7c0r7c1r7c2|19,r2c6r3c6r4c6|10,r0c4r0c5|10,r8c3r8c4|15,r4c2r5c2r6c2|12,r1c6r1c7r1c8|11,r7c3r7c4|23,r2c7r3c7r4c7r4c8|10,r0c6r0c7r0c8|11,r5c3r5c4r6c3|15,r2c3r2c4r3c3|11,r7c5r8c5|10,r2c8r3c8|11,r0c0r1c0|14,r5c6r5c7r6c6|15,r2c0r2c1r3c0|19,r7c6r7c7r8c6r8c7|13,r4c3r4c4r4c5|23,r0c1r0c2r1c1r1c2|24,r5c8r6c7r6c8|14,r2c2r3c1r3c2|4,r7c8r8c8|3,r5c0r6c0|15,r0c3r1c3|20,r5c5r6c4r6c5|10,r2c5r3c4r3c5", "solution": "376928145891654732542731986639572814718463259254819367163247598925386471487195623", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1100, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1101, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2009-12-31", "puzzle": "10,r5c1r5c2r5c3|15,r2c0r2c1r3c0|7,r7c1r7c2|9,r2c8r3c8|25,r0c2r0c3r0c4r0c5r1c3|15,r4c6r5c6r5c7|18,r2c2r2c3r3c3r4c3|9,r7c3r7c4|9,r4c0r4c1|15,r0c6r0c7r0c8r1c8|16,r6c1r6c2|10,r2c4r2c5|35,r7c6r7c7r7c8r8c7r8c8|20,r3c4r4c4r5c4|23,r0c0r0c1r1c0r1c1r1c2|12,r6c3r6c4|10,r2c6r2c7|16,r7c0r8c0r8c1r8c2|9,r4c7r4c8|15,r1c4r1c5|17,r4c5r5c5r6c5r6c6|15,r3c1r3c2r4c2|23,r7c5r8c3r8c4r8c5r8c6|15,r5c0r6c0|12,r1c6r1c7|7,r5c8r6c7r6c8|18,r3c5r3c6r3c7", "solution": "376854129418269573259137648865342791724591836931678254697485312143726985582913467", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1101, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1102, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2009-12-31", "puzzle": "9,r6c4r7c4|13,r1c3r2c3r2c4|8,r7c0r8c0r8c1|24,r1c1r1c2r2c2r3c2r4c2|38,r0c0r0c1r0c2r0c3r0c4r0c5|6,r5c6r6c6|42,r3c0r3c1r4c0r4c1r5c0r5c1r6c0|22,r8c2r8c3r8c4r8c5|21,r4c6r4c7r4c8r5c8|13,r0c6r0c7r1c6r1c7|11,r5c7r6c7|19,r3c3r3c4r4c3r4c4|11,r5c4r5c5r6c5|5,r1c4r1c5|16,r6c1r7c1r7c2|23,r2c5r3c5r4c5|9,r5c2r6c2|13,r0c8r1c8|19,r7c5r7c6r8c6|10,r2c6r3c6|19,r5c3r6c3r7c3|10,r1c0r2c0r2c1|22,r6c8r7c7r7c8r8c7r8c8|22,r2c7r2c8r3c7r3c8", "solution": "389765214265814739714239685651398427478526391932471568897643152143952876526187943", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1102, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1104, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-01", "puzzle": "26,r6c5r7c5r8c3r8c4r8c5|18,r3c6r4c6r5c6|18,r0c8r1c7r1c8|8,r6c6r7c6|27,r2c7r3c7r4c7r4c8r5c7r6c7|24,r0c3r0c4r0c5r1c5r2c5|10,r8c6r8c7|18,r5c0r6c0r6c1|12,r2c3r3c3|4,r7c0r8c0|9,r2c8r3c8|6,r0c6r0c7|17,r5c1r5c2|16,r1c6r2c6|27,r6c2r7c1r7c2r8c1r8c2|10,r4c0r4c1|11,r0c0r1c0|14,r5c4r5c5r6c4|12,r2c0r2c1r3c0|8,r7c3r7c4|7,r4c2r4c3|28,r0c1r0c2r1c1r1c2r2c2|4,r5c8r6c8|7,r3c1r3c2|19,r7c7r7c8r8c8|17,r4c4r4c5|4,r1c3r1c4|11,r5c3r6c3|13,r2c4r3c4r3c5", "solution": "983742156276315948514896732652431897731689425498257613865924371329178564147563289", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1104, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1103, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2009-12-31", "puzzle": "10,r6c0r6c1|23,r0c7r0c8r1c7r1c8r2c8|12,r8c5r8c6|14,r4c5r4c6r4c7|25,r0c2r0c3r0c4r0c5r0c6|3,r6c7r6c8|6,r2c2r2c3|17,r7c7r8c7|30,r2c1r3c1r4c0r4c1r5c0|8,r0c0r1c0|35,r6c2r6c3r6c4r6c5r7c4r8c4|8,r2c0r3c0|7,r7c8r8c8|22,r4c2r5c1r5c2r5c3|5,r0c1r1c1|15,r6c6r7c5r7c6|23,r2c6r3c2r3c3r3c4r3c5r3c6|18,r5c4r5c5r5c6r5c7|10,r1c2r1c3|9,r8c0r8c1|20,r2c7r3c7r3c8|13,r4c8r5c8|35,r1c4r1c5r1c6r2c4r2c5|27,r7c0r7c1r7c2r7c3r8c2r8c3|10,r4c3r4c4", "solution": "729813465136475829584296371397624158258731946641958237463589712975142683812367594", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1103, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1105, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-01", "puzzle": "17,r7c3r8c3|15,r5c1r5c2|7,r1c4r1c5|17,r6c7r6c8|3,r2c1r3c1|10,r0c2r0c3|11,r8c6r8c7r8c8|9,r5c3r6c3|13,r1c6r1c7r2c7|4,r7c0r7c1|17,r4c1r4c2r4c3r4c4|9,r0c4r0c5|15,r5c4r5c5|24,r0c8r1c8r2c8r3c8|15,r6c2r7c2r8c2|29,r3c5r3c6r3c7r4c5r4c6|8,r0c6r0c7|16,r5c6r5c7r6c6r7c6|24,r2c2r2c3r3c2r3c3r3c4|6,r7c7r7c8|16,r4c7r4c8r5c8|17,r0c0r1c0|13,r6c0r6c1|20,r2c4r2c5r2c6|13,r8c0r8c1|6,r4c0r5c0|18,r0c1r1c1r1c2r1c3|24,r6c4r6c5r7c4r7c5r8c4r8c5|9,r2c0r3c0", "solution": "943718265871652934625394718318269457257143896496587321762431589139875642584926173", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1105, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1106, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-01", "puzzle": "8,r5c0r6c0|20,r2c7r2c8r3c7r3c8|6,r6c6r7c6|23,r3c1r4c1r4c2r4c3r5c3|31,r0c4r0c5r1c3r1c4r1c5r2c3|23,r5c1r6c1r7c1r8c1|14,r3c2r3c3|15,r7c7r7c8r8c8|13,r4c6r4c7|16,r0c6r0c7|12,r5c2r6c2r7c2|19,r2c4r3c4r4c4r5c4|11,r7c0r8c0|15,r4c5r5c5|14,r0c2r0c3r1c2|8,r6c4r6c5|7,r2c5r3c5|16,r8c2r8c3r8c4|15,r5c6r5c7r6c7r6c8|5,r1c6r1c7|15,r6c3r7c3|14,r2c6r3c6|14,r8c6r8c7|7,r4c8r5c8|10,r0c8r1c8|9,r7c4r7c5r8c5|45,r0c0r0c1r1c0r1c1r2c0r2c1r2c2r3c0r4c0", "solution": "415386792376259148892174563528613974639427851147598326764835219981762435253941687", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1106, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1107, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-02", "puzzle": "21,r7c2r7c3r8c2r8c3|16,r4c8r5c8|16,r0c7r0c8r1c7r1c8|31,r6c3r6c4r6c5r6c6r7c4r7c5|14,r3c7r3c8|5,r0c3r0c4|12,r8c4r8c5|17,r5c0r5c1|37,r1c3r1c4r2c2r2c3r2c4r2c5|13,r7c0r7c1r8c0r8c1|11,r3c0r4c0|26,r0c5r0c6r1c5r1c6|6,r5c2r5c3|14,r2c6r2c7r2c8|15,r7c6r8c6|11,r4c1r4c2|9,r0c0r1c0r2c0|8,r5c5r5c6|12,r2c1r3c1|3,r7c7r8c7|26,r3c4r4c3r4c4r4c5r5c4|12,r0c1r1c1|12,r5c7r6c7|9,r3c2r3c3|15,r6c8r7c8r8c8|5,r4c6r4c7|7,r0c2r1c2|16,r6c0r6c1r6c2|6,r3c5r3c6", "solution": "673418952254973681198625473432791568765832149981546237826157394347269815519384726", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1107, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1108, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-02", "puzzle": "16,r6c5r6c6r6c7|29,r0c6r0c7r0c8r1c7r1c8r2c8|16,r7c4r8c3r8c4|9,r3c7r3c8|15,r0c4r0c5r1c4|32,r6c0r7c0r7c1r8c0r8c1r8c2|17,r2c1r2c2r2c3|3,r5c0r5c1|12,r0c0r1c0|4,r7c2r7c3|26,r2c0r3c0r4c0r4c1|24,r4c2r5c2r5c3r6c1r6c2r6c3|20,r0c1r0c2r0c3r1c1|11,r7c5r7c6|21,r3c1r3c2r3c3r4c3|25,r4c5r5c5r5c6r5c7|14,r1c2r1c3|17,r7c7r8c5r8c6r8c7|26,r2c4r3c4r4c4r5c4r6c4|16,r4c7r4c8r5c8r6c8|8,r1c5r1c6|15,r7c8r8c8|29,r2c5r2c6r2c7r3c5r3c6r4c6", "solution": "892475631456831792371962458937628145684517923125394867519286374743159286268743519", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1108, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1109, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-01-02", "puzzle": "11,r6c0r6c1|18,r1c5r2c4r2c5r3c5|17,r8c2r8c3|19,r3c3r3c4r4c3|18,r0c4r0c5r1c4|15,r6c2r6c3r6c4|25,r1c3r2c2r2c3r3c1r3c2|8,r7c4r8c4|16,r4c7r4c8|18,r0c7r0c8r1c7r1c8|18,r5c5r5c6r6c5|12,r2c6r3c6r4c6|9,r7c5r8c5|21,r4c2r5c1r5c2r5c3|13,r0c0r0c1r1c0|15,r6c6r6c7r7c6r7c7|7,r2c7r3c7|30,r6c8r7c8r8c6r8c7r8c8|16,r4c4r4c5r5c4|12,r0c6r1c6|10,r7c2r7c3|11,r2c8r3c8|6,r5c7r5c8|36,r0c2r0c3r1c1r1c2r2c0r2c1r3c0|13,r7c0r7c1r8c0r8c1|11,r4c0r4c1r5c0", "solution": "647259381351648972982371645495782136823416597176593824564837219239164758718925463", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1109, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1110, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-03", "puzzle": "14,r7c7r7c8|16,r4c5r4c6r4c7|24,r0c7r0c8r1c6r1c7|16,r6c1r6c2|8,r3c0r3c1|4,r0c0r0c1|7,r8c2r8c3|7,r3c8r4c8|22,r2c0r2c1r2c2|16,r5c3r6c3r7c3|13,r2c3r3c2r3c3|17,r0c3r0c4|11,r8c4r8c5|10,r5c1r5c2|34,r1c4r2c4r3c4r4c4r5c4r6c4r7c4|15,r6c6r6c7r6c8|8,r3c6r3c7|9,r0c5r0c6|10,r8c7r8c8|9,r5c5r5c6r6c5|15,r1c5r2c5r3c5|22,r7c1r7c2r8c0r8c1|15,r4c0r5c0|7,r1c0r1c1|16,r5c7r5c8|11,r2c6r2c7|14,r7c5r7c6r8c6|11,r4c1r4c2r4c3|15,r0c2r1c2r1c3|6,r6c0r7c0|3,r1c8r2c8", "solution": "314892756528376941769154382173985624945267813682431579297543168436718295851629437", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1110, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1111, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-03", "puzzle": 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"6,r6c0r6c1|33,r0c2r1c1r1c2r2c0r2c1r2c2|17,r4c4r4c5r5c4r5c5|12,r0c0r0c1r1c0|29,r4c6r5c6r6c4r6c5r6c6|15,r2c4r2c5r2c6|32,r2c7r3c7r3c8r4c7r4c8r5c8|3,r0c3r0c4|10,r7c5r7c6|16,r3c4r3c5r3c6|7,r5c0r5c1|8,r0c6r1c6|34,r6c8r7c7r7c8r8c6r8c7r8c8|11,r3c0r4c0|22,r4c2r5c2r6c2|16,r0c5r1c5|27,r7c0r7c1r8c0r8c1r8c2|35,r1c3r1c4r2c3r3c1r3c2r3c3r4c1|3,r5c7r6c7|27,r0c7r0c8r1c7r1c8r2c8|26,r7c2r7c3r7c4r8c3r8c4r8c5|16,r4c3r5c3r6c3", "solution": "836129574192547368754386192261954783978263451345871926429635817613798245587412639", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1112, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1113, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-04", "puzzle": "9,r7c0r8c0|14,r4c3r5c3r6c3|11,r1c5r1c6|15,r6c1r7c1|10,r3c2r4c2|15,r0c0r0c1r1c0|8,r8c1r8c2|14,r4c5r5c5r6c5|16,r1c1r2c0r2c1r2c2|5,r6c2r7c2|13,r3c4r4c4|24,r0c2r0c3r0c4r0c5r0c6|12,r8c6r8c7|12,r5c6r5c7|19,r1c7r2c6r2c7r2c8|33,r7c3r7c4r7c5r8c3r8c4r8c5|11,r3c6r4c6|22,r0c7r0c8r1c8|5,r7c8r8c8|11,r5c0r6c0|7,r2c3r3c3|10,r6c6r7c6|20,r3c7r3c8r4c7r4c8|11,r1c2r1c3|11,r5c4r6c4|12,r2c5r3c5|13,r6c7r7c7|6,r5c1r5c2|3,r1c4r2c4|7,r5c8r6c8|26,r3c0r3c1r4c0r4c1", "solution": "629734158745618329138529746984253617276481593351976482893147265462395871517862934", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1113, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1114, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-04", "puzzle": "17,r5c0r6c0r7c0r7c1|13,r1c2r2c1r2c2|8,r8c0r8c1|15,r4c1r4c2r5c2|22,r0c1r0c2r0c3r1c3|16,r5c1r6c1|12,r1c4r2c3r2c4|14,r8c5r8c6|8,r3c3r4c3|20,r0c4r0c5r0c6r0c7|11,r6c5r6c6|25,r1c5r2c5r2c6r3c4r3c5r3c6|20,r7c7r7c8r8c7r8c8|30,r4c4r4c5r4c6r4c7|20,r0c0r1c0r1c1|18,r6c2r6c3r7c2r8c2|8,r2c0r3c0r4c0|6,r5c3r5c4|15,r1c6r1c7r2c7|29,r6c4r7c3r7c4r8c3r8c4|10,r3c1r3c2|25,r5c5r5c6r5c7r5c8r6c7r6c8|18,r0c8r1c8r2c8|7,r7c5r7c6|18,r3c7r3c8r4c8", "solution": "965483271834712659127659348382561497451397862679248513598134726243976185716825934", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1114, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1118, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-01-05", "puzzle": "21,r5c5r5c6r6c5r6c6|15,r2c3r2c4|9,r8c2r8c3|13,r3c2r4c2|36,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|10,r5c7r6c7|11,r2c5r2c6|21,r4c4r4c5r4c6r5c4r6c4|11,r0c2r0c3r0c4|28,r6c0r6c1r7c0r7c1r7c2|11,r2c0r3c0r4c0|15,r3c1r4c1r5c0r5c1|25,r0c6r0c7r1c6r1c7r2c7|16,r7c5r7c6|22,r3c3r3c4r4c3|10,r5c2r6c2|20,r0c5r1c3r1c4r1c5|32,r6c8r7c7r7c8r8c6r8c7r8c8|22,r3c5r3c6r3c7r4c7r4c8r5c8|26,r5c3r6c3r7c3r7c4r8c4r8c5|8,r0c8r1c8|9,r8c0r8c1|14,r2c8r3c8", "solution": "398124657476385921152697438834951276269873145517246893983762514641539782725418369", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1118, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1117, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-05", "puzzle": "21,r7c5r7c6r8c4r8c5r8c6|17,r2c7r2c8|8,r4c6r5c5r5c6|39,r0c4r0c5r0c6r0c7r0c8r1c6r1c7r1c8|8,r8c2r8c3|6,r2c1r3c1|14,r6c2r6c3|25,r0c0r1c0r2c0r3c0r4c0|23,r6c8r7c7r7c8r8c7r8c8|43,r2c6r3c5r3c6r3c7r3c8r4c7r4c8r5c8|20,r6c4r6c5r6c6r7c4|9,r0c1r1c1|11,r3c2r4c2|11,r5c7r6c7|17,r0c2r0c3r1c2r2c2|35,r3c3r3c4r4c3r4c4r4c5r5c4|42,r6c1r7c0r7c1r7c2r7c3r8c0r8c1|26,r1c3r1c4r1c5r2c3r2c4r2c5|30,r4c1r5c0r5c1r5c2r5c3r6c0", "solution": "613289475987546312425137698142965837569378241378421569296813754754692183831754926", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1117, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1116, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-05", "puzzle": "7,r8c5r8c6|10,r5c6r5c7|27,r1c3r1c4r2c3r2c4|6,r6c2r7c2|13,r2c8r3c8|16,r0c1r0c2|10,r7c7r8c7|9,r4c8r5c8|23,r1c7r1c8r2c7r3c7r4c7|13,r7c3r7c4r7c5|8,r4c0r5c0r6c0|12,r0c3r0c4r0c5r0c6|13,r7c8r8c8|10,r6c3r6c4|16,r1c5r2c5r3c5|12,r6c6r7c6|18,r3c1r4c1r4c2r5c1|9,r0c7r0c8|17,r5c5r6c5|14,r1c6r2c6r3c6|21,r7c0r8c0r8c1r8c2|17,r4c4r4c5r4c6r5c4|13,r0c0r1c0|4,r6c7r6c8|16,r2c0r2c1r3c0|12,r8c3r8c4|11,r5c2r5c3|9,r1c1r1c2r2c2|14,r6c1r7c1|25,r3c2r3c3r3c4r4c3", "solution": "897215436542683971613497258928176345154932867376548192465829713781364529239751684", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1116, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1119, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-01-06", "puzzle": "26,r7c3r7c5r8c3r8c4r8c5|7,r4c7r4c8|23,r1c0r2c0r3c0|10,r6c0r7c0|21,r2c5r2c6r3c5r3c6|12,r0c0r0c1r0c2|19,r7c7r8c6r8c7r8c8|15,r5c0r5c1r6c1|11,r1c4r2c4|3,r6c2r7c2|11,r2c7r3c7|19,r0c6r0c7r0c8|18,r5c2r5c3r6c3|22,r1c8r2c8r3c8|17,r6c6r7c6|4,r4c0r4c1|9,r1c1r1c2|10,r5c5r5c6r6c5|5,r2c1r3c1|4,r6c8r7c8|17,r4c2r4c3|22,r0c3r0c4r0c5r1c3r1c5|15,r5c7r5c8r6c7|17,r2c2r2c3r3c2r3c3|26,r7c1r8c0r8c1r8c2|11,r4c5r4c6|5,r1c6r1c7|17,r5c4r6c4r7c4|9,r3c4r4c4", "solution": "453671298827593416916428537645237189138964725279185364761842953392756841584319672", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1119, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1120, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-06", "puzzle": "5,r6c4r7c4|28,r0c7r0c8r1c6r1c7|16,r7c3r8c3r8c4|16,r4c5r4c6|11,r0c3r0c4r1c3|9,r6c8r7c8|11,r1c4r2c4|16,r8c5r8c6|8,r4c7r4c8|12,r0c5r0c6|26,r5c0r6c0r7c0r7c1r8c0r8c1|8,r1c8r2c8|35,r2c1r3c1r4c0r4c1r5c1r6c1|29,r0c0r0c1r1c0r1c1r2c0r3c0|27,r6c2r6c3r7c2r8c2|17,r3c2r3c3r3c4|17,r5c2r5c3r5c4|22,r0c2r1c2r2c2r2c3|7,r6c5r7c5|25,r2c6r2c7r3c5r3c6r3c7r3c8|26,r5c5r5c6r5c7r5c8r6c6r6c7|10,r1c5r2c5|15,r7c6r7c7r8c7r8c8|9,r4c2r4c3r4c4", "solution": "632178459957324681418596327263951874841267935795483162176842593389715246524639718", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1120, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1115, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-01-04", "puzzle": "23,r5c2r5c3r5c4r6c3r6c4|22,r1c2r1c3r2c2|20,r7c3r7c4r8c4r8c5r8c6|21,r4c3r4c4r4c5|24,r0c2r0c3r0c4r1c4r1c5|11,r6c6r7c5r7c6|29,r2c4r2c5r3c4r3c5r3c6|21,r3c7r4c6r4c7r5c6r5c7|22,r0c5r0c6r0c7r0c8|8,r6c7r6c8|25,r1c6r1c7r2c6r2c7|20,r1c8r2c8r3c8r4c8r5c8|8,r0c0r1c0|10,r7c7r8c7|7,r2c3r3c3|11,r5c5r6c5|8,r0c1r1c1|16,r7c8r8c8|29,r3c0r4c0r5c0r6c0r7c0|13,r6c1r6c2r7c1r7c2|7,r2c0r2c1|23,r8c0r8c1r8c2r8c3|27,r3c1r3c2r4c1r4c2r5c1", "solution": "729415836168937542345628971284193765953876214671542398812769453437251689596384127", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1115, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1121, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-01-06", "puzzle": "7,r6c1r6c2|17,r2c2r2c3|38,r7c5r7c6r7c7r8c4r8c5r8c6r8c7|7,r3c5r4c5|11,r0c0r1c0|24,r6c3r6c4r6c5r7c3r7c4r8c3|17,r1c7r1c8r2c7r2c8|12,r7c8r8c8|22,r3c7r3c8r4c7r5c7|11,r0c1r1c1r1c2|16,r4c8r5c8r6c7r6c8|21,r3c0r3c1r4c0r4c1|10,r5c0r5c1|28,r0c2r0c3r0c4r0c5r1c5|21,r6c0r7c0r7c1|14,r3c2r4c2r5c2|9,r5c3r5c4|36,r0c6r0c7r0c8r1c6r2c6r3c6|12,r8c0r8c1|9,r3c3r4c3|18,r4c6r5c5r5c6r6c6|6,r2c0r2c1|5,r7c2r8c2|34,r1c3r1c4r2c4r2c5r3c4r4c4", "solution": "518632479637149582429875316175296843943781265286453791852914637761328954394567128", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1121, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1122, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-01-07", "puzzle": "22,r7c3r7c4r8c3r8c4|16,r4c3r4c4r4c5|15,r0c4r0c5r1c4r1c5|13,r5c5r5c6|10,r2c4r3c4|13,r0c0r0c1|13,r7c5r7c6|17,r4c7r5c7|15,r0c6r1c6|13,r4c8r5c8r6c8|15,r3c5r3c6r4c6|12,r0c2r0c3|18,r6c7r7c7r7c8|14,r5c0r6c0|10,r2c2r2c3|10,r6c2r6c3|10,r2c7r3c7|13,r0c7r0c8r1c7r1c8|13,r7c0r7c1r8c0r8c1|3,r5c1r6c1|11,r2c5r2c6|5,r6c5r6c6|8,r2c8r3c8|16,r1c0r1c1r2c1|4,r8c5r8c6|12,r4c2r5c2r5c3|16,r2c0r3c0r4c0|15,r7c2r8c2|15,r3c1r4c1|10,r1c2r1c3|11,r8c7r8c8|11,r5c4r6c4|6,r3c2r3c3", "solution": "768412953392875614541963872975148236284637591613529487827394165139256748456781329", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1122, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1123, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-07", "puzzle": "12,r6c3r6c4|13,r0c8r1c8|10,r7c1r8c1|6,r4c5r5c5|13,r0c0r0c1r1c1|12,r5c6r6c5r6c6|34,r1c0r2c0r2c1r2c2r3c0|22,r7c2r8c2r8c3r8c4|13,r3c6r4c6|19,r0c4r0c5r1c5r2c5|15,r6c0r7c0r8c0|5,r1c3r2c3|10,r8c6r8c7|8,r4c0r5c0r5c1|13,r0c6r0c7|5,r7c3r7c4|27,r3c1r4c1r4c2r4c3r4c4|7,r7c8r8c8|29,r5c2r5c3r5c4r6c1r6c2|11,r0c2r0c3r1c2|15,r7c5r8c5|35,r1c4r2c4r3c2r3c3r3c4r3c5|20,r4c8r5c8r6c8|19,r1c6r1c7r2c6r2c7r2c8|17,r6c7r7c6r7c7|15,r3c7r3c8r4c7r5c7", "solution": "251763948863492175947158362698247513172635894435981627316574289789326451524819736", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1123, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1124, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-07", "puzzle": "24,r4c1r5c1r5c2r6c2|24,r0c4r1c4r1c5r1c6r2c5|9,r6c8r7c8r8c8|18,r2c8r3c7r3c8|15,r0c0r0c1|33,r5c4r5c5r5c6r5c7r5c8r6c4|13,r1c0r2c0|17,r7c0r8c0r8c1|12,r3c5r4c5|5,r0c2r0c3|3,r6c0r6c1|13,r1c3r2c3|17,r8c2r8c3|11,r3c6r4c6|5,r0c5r0c6|18,r6c5r6c6r7c6|16,r1c7r2c6r2c7|33,r5c3r6c3r7c3r7c4r7c5r8c4r8c5|7,r4c7r4c8|15,r0c7r0c8r1c8|12,r7c1r7c2|19,r2c1r2c2r3c1r3c2r4c2|8,r8c6r8c7|11,r3c0r4c0r5c0|11,r1c1r1c2|13,r6c7r7c7|23,r2c4r3c3r3c4r4c3r4c4", "solution": "962381475547629183831754629354267918786195234129438567215843796693572841478916352", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1124, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1125, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-01-08", "puzzle": "15,r7c5r7c6|17,r4c3r4c4r4c5|16,r1c2r1c3|7,r6c1r6c2|9,r2c3r3c3|11,r0c0r0c1|10,r7c7r7c8|29,r3c7r4c6r4c7r5c6r6c6|6,r1c4r1c5|13,r6c3r6c4|21,r3c4r3c5r3c6|9,r0c2r0c3|19,r7c0r8c0r8c1r8c2|5,r4c8r5c8|11,r1c6r1c7|15,r5c7r6c7r6c8|9,r2c8r3c8|7,r0c4r0c5|5,r8c3r8c4|11,r5c0r6c0|20,r2c0r2c1r3c1|10,r7c1r7c2|10,r3c0r4c0|24,r0c6r0c7r0c8r1c8|12,r8c5r8c6|13,r5c2r5c3r5c4|8,r2c4r2c5|9,r7c3r7c4|25,r2c2r3c2r4c1r4c2r5c1|6,r1c0r1c1|10,r8c7r8c8|8,r5c5r6c5|5,r2c6r2c7", "solution": "651834279427915386839762145395286714714593862268147953943671528182459637576328491", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1125, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1126, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-08", "puzzle": "12,r6c6r7c6r8c6r8c7|14,r5c0r6c0r6c1|11,r0c8r1c8|24,r7c0r7c1r8c0r8c1|4,r2c8r3c8|7,r0c3r0c4|20,r5c4r5c5r5c6|25,r1c3r2c2r2c3r3c3|7,r7c2r8c2|27,r3c1r3c2r4c0r4c1r5c1r5c2|22,r0c6r0c7r1c6r2c6|13,r5c8r6c8|6,r2c4r2c5|20,r7c4r7c5r8c5|15,r4c2r4c3|13,r0c0r0c1r1c0r1c1|12,r5c3r6c2r6c3r7c3|11,r1c7r2c7r3c7|13,r7c8r8c8|7,r4c4r4c5|8,r0c2r1c2|8,r6c4r6c5|22,r2c0r2c1r3c0|12,r8c3r8c4|18,r4c6r4c7r4c8|18,r0c5r1c4r1c5|16,r5c7r6c7r7c7|20,r3c4r3c5r3c6", "solution": "432618579156937482978542613649375821327861954581294736815426397763189245294753168", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1126, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1127, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-01-08", "puzzle": "43,r5c5r5c6r5c7r6c5r6c6r6c7r7c5r7c6|21,r2c2r2c3r3c2|27,r6c8r7c7r7c8r8c6r8c7r8c8|44,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4|19,r0c3r0c4r1c4r1c5r2c4|20,r6c1r7c0r7c1r8c0|9,r2c5r2c6|4,r4c6r4c7|6,r0c5r0c6|6,r6c3r7c3|19,r1c8r2c7r2c8r3c8|11,r4c8r5c8|33,r0c0r0c1r0c2r1c0r1c1r2c0|12,r6c4r7c4|11,r2c1r3c1|12,r5c0r6c0|10,r1c2r1c3|16,r7c2r8c1r8c2r8c3|13,r3c6r3c7|9,r5c2r6c2|25,r0c7r0c8r1c6r1c7|13,r8c4r8c5|22,r3c0r4c0r4c1r4c2r5c1", "solution": "563714298841962357729835416194328675286457139357691842972183564638549721415276983", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1127, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1128, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-09", "puzzle": "19,r5c1r5c2r6c2r6c3r7c3|11,r2c1r2c2|5,r7c2r8c2|9,r3c7r3c8|8,r0c0r0c1|13,r5c5r5c6r5c7|14,r1c3r2c3r3c3|11,r7c8r8c8|26,r4c2r4c3r5c3r5c4r6c4|9,r0c3r0c4r1c4|13,r6c0r6c1|16,r2c4r2c5|20,r7c4r8c3r8c4|16,r3c4r3c5r4c4r4c5|8,r0c5r1c5|11,r6c5r7c5|18,r0c6r1c6r2c6r2c7r2c8|24,r6c7r6c8r7c7r8c5r8c6r8c7|20,r4c7r4c8r5c8|27,r0c7r0c8r1c7r1c8|14,r6c6r7c6|12,r3c1r3c2|17,r4c0r4c1r5c0|33,r0c2r1c0r1c1r1c2r2c0r3c0|20,r7c0r7c1r8c0r8c1|11,r3c6r4c6", "solution": "174623589239815746865497132748251963351946278926738415497362851583179624612584397", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1128, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1129, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-09", "puzzle": "11,r5c4r5c5|9,r1c1r2c1|9,r7c0r8c0|25,r4c1r4c2r5c1r5c2|8,r0c1r0c2r0c3|6,r6c1r6c2|21,r1c4r2c3r2c4|33,r7c1r7c2r7c3r8c1r8c2r8c3|20,r3c4r4c3r4c4r5c3r6c3|19,r0c4r0c5r0c6r1c5|23,r5c6r6c6r6c7r7c6|6,r1c6r2c5r2c6|31,r7c5r8c4r8c5r8c6r8c7|11,r3c5r4c5|13,r0c7r0c8|10,r5c8r6c8|20,r1c7r1c8r2c7r2c8|42,r3c6r3c7r3c8r4c6r4c7r4c8r5c7|14,r0c0r1c0|9,r6c4r6c5r7c4|7,r2c0r3c0|15,r4c0r5c0r6c0|11,r1c2r1c3|8,r7c7r7c8r8c8|24,r2c2r3c1r3c2r3c3", "solution": "941326785573894261628751349152978436496213857837465192315642978289537614764189523", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1129, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1132, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-10", "puzzle": "31,r5c2r6c2r7c2r8c1r8c2r8c3|35,r0c3r1c3r1c4r1c5r2c3r2c4|3,r7c0r8c0|5,r3c5r4c5|17,r0c1r0c2r1c2|12,r5c3r6c3r7c3|9,r2c5r2c6|17,r8c5r8c6r8c7|26,r3c6r4c6r4c7r5c6r5c7|6,r0c4r0c5|18,r6c6r6c7r6c8|29,r1c1r2c0r2c1r2c2r3c0r3c2|21,r4c0r5c0r6c0|16,r0c7r0c8r1c8|13,r6c1r7c1|18,r3c3r3c4r4c3r4c4|26,r5c4r5c5r6c4r6c5|12,r0c0r1c0|25,r7c4r7c5r7c6r8c4|9,r3c7r3c8|10,r4c8r5c8|24,r0c6r1c6r1c7r2c7r2c8|10,r7c7r7c8r8c8|13,r3c1r4c1r4c2r5c1", "solution": "729651834546328179381794526637542918954813267812967453463185792178239645295476381", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1132, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1131, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-10", "puzzle": "24,r5c3r5c4r5c5|25,r1c2r1c3r2c2r2c3|16,r7c3r7c4r7c5|14,r3c1r3c2r3c3r4c3|3,r0c0r0c1|19,r4c6r4c7r5c6|26,r0c4r1c4r2c4r3c4r4c4|19,r7c7r7c8r8c8|18,r3c5r3c6r3c7r4c5|13,r0c2r0c3|26,r5c0r5c1r6c0r6c1|15,r1c5r1c6r2c5r2c6|9,r8c1r8c2|16,r3c0r4c0|12,r0c5r0c6|31,r6c2r6c3r6c4r6c5r6c6r7c2r7c6|6,r1c7r1c8|21,r8c3r8c4r8c5|9,r3c8r4c8|14,r0c7r0c8|17,r5c7r5c8r6c7r6c8|12,r2c0r2c1|4,r8c6r8c7|10,r4c1r4c2r5c2|9,r1c0r1c1|6,r7c0r7c1r8c0|11,r2c7r2c8", "solution": "124935786639287415578641392982364571763152948451798623896413257317529864245876139", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1131, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1130, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-01-09", "puzzle": "27,r5c0r5c1r5c2r5c3r6c0r6c1|7,r0c8r1c8|8,r7c1r8c1|4,r4c0r4c1|11,r0c5r0c6|9,r5c4r5c5|13,r2c0r2c1|23,r6c5r7c4r7c5r8c4|13,r3c2r4c2|27,r0c0r0c1r0c2r0c3r1c0|17,r5c7r5c8|26,r1c5r1c6r2c4r2c5r2c6|18,r6c6r7c6r7c7|21,r4c3r4c4r4c5|13,r1c1r1c2r2c2|26,r6c2r6c3r6c4r7c2r7c3|15,r3c0r3c1|26,r7c8r8c5r8c6r8c7r8c8|12,r4c6r5c6|19,r0c4r1c3r1c4r2c3|5,r6c7r6c8|7,r3c3r3c4|9,r8c2r8c3|8,r4c7r4c8|8,r0c7r1c7|7,r7c0r8c0|26,r2c7r2c8r3c5r3c6r3c7r3c8", "solution": "516839274782456913943712865698527341135948726274163598859671432421395687367284159", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1130, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1133, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-10", "puzzle": "20,r4c6r4c7r5c6r6c6|8,r0c4r1c4|19,r6c2r7c2r7c3|11,r2c6r3c6|17,r0c1r0c2|15,r4c8r5c8|13,r1c5r1c6|27,r7c6r7c7r7c8r8c7r8c8|4,r2c8r3c8|11,r0c5r0c6|15,r5c0r6c0|23,r1c7r1c8r2c7r3c7|9,r8c0r8c1|13,r4c3r4c4|8,r0c7r0c8|7,r6c3r6c4|13,r2c0r3c0r4c0|9,r8c2r8c3|10,r5c2r5c3|17,r0c0r1c0r1c1r1c2r2c2|13,r5c7r6c7r6c8|34,r2c1r3c1r3c2r4c1r4c2r5c1r6c1|19,r7c4r7c5r8c4r8c5r8c6|19,r4c5r5c4r5c5r6c5|30,r0c3r1c3r2c3r2c4r2c5r3c3|12,r7c0r7c1|9,r3c4r3c5", "solution": "398157462412936785657284931549618273271493856863725149725349618936871524184562397", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1133, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1134, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-11", "puzzle": "9,r8c2r8c3|3,r5c6r5c7|11,r1c3r2c3|6,r7c0r7c1|3,r4c4r4c5|35,r0c0r0c1r0c2r0c3r1c0r1c1|6,r8c5r8c6|14,r5c0r6c0|14,r2c5r2c6|14,r7c4r8c4|23,r3c5r3c6r4c6|13,r0c4r0c5|16,r8c7r8c8|14,r5c1r6c1|24,r1c8r2c8r3c8r4c8|10,r6c5r7c5|15,r3c7r4c7|22,r0c6r0c7r0c8r1c6r1c7r2c7|19,r6c2r6c3r7c2r7c3|14,r2c0r3c0r4c0|19,r7c6r7c7r7c8|18,r4c2r4c3r5c2|8,r1c4r1c5|7,r6c6r6c7|9,r2c4r3c3r3c4|9,r8c0r8c1|26,r5c3r5c4r5c5r6c4|16,r1c2r2c1r2c2r3c2|4,r5c8r6c8|4,r3c1r4c1", "solution": "368549712942871356571326849216438975735912684894765123659287431427193568183654297", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1134, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1138, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-12", "puzzle": "8,r5c5r5c6|14,r2c3r2c4r2c5|15,r7c4r7c5r7c6r8c4|16,r3c1r4c1|19,r0c0r0c1r0c2r0c3|12,r4c8r5c8r6c8|17,r2c6r2c7r2c8|17,r6c6r6c7r7c7r7c8|12,r4c2r4c3|24,r1c0r1c1r2c1r2c2|15,r6c0r6c1r6c2|11,r2c0r3c0r4c0|21,r8c5r8c6r8c7r8c8|8,r4c5r4c6|17,r0c4r1c2r1c3r1c4|16,r6c3r6c4r6c5|13,r3c2r3c3|16,r4c7r5c7|18,r0c5r0c6r1c5r1c6|14,r7c0r7c1r8c0r8c1|27,r3c4r3c5r4c4r5c3r5c4|9,r5c0r5c1r5c2|23,r0c7r0c8r1c7r1c8|30,r7c2r7c3r8c2r8c3|13,r3c6r3c7r3c8", "solution": "781396245942157368365248719674915823298463571153782694816529437539674182427831956", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1138, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1135, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-11", "puzzle": "21,r3c8r4c8r5c8|18,r1c3r1c4r2c3r2c4|10,r6c6r7c6|12,r4c1r4c2|42,r0c0r0c1r0c2r0c3r0c4r0c5r1c5r2c5|11,r5c2r5c3|17,r2c6r2c7r3c7|20,r7c1r8c0r8c1|10,r3c3r4c3|17,r1c0r1c1r2c0r2c1|13,r5c6r5c7|9,r1c8r2c8|5,r7c2r8c2|14,r3c4r4c4r5c4|9,r0c6r1c6|15,r6c0r7c0|12,r3c1r3c2|15,r6c7r6c8r7c7r7c8|9,r4c5r5c5|13,r0c7r0c8r1c7|6,r5c1r6c1r6c2|10,r3c5r3c6|40,r6c3r7c3r8c3r8c4r8c5r8c6r8c7r8c8|7,r4c6r4c7|13,r1c2r2c2|25,r6c4r6c5r7c4r7c5|12,r3c0r4c0r5c0", "solution": "942586713186437295357921864475269138639814527218375946723698451894153672561742389", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1135, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1137, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-12", "puzzle": "13,r8c3r8c4r8c5|12,r5c3r5c4|7,r1c7r1c8|14,r6c0r7c0r8c0|22,r2c8r3c8r4c8|22,r0c1r0c2r0c3|9,r4c7r5c7r5c8|17,r2c0r2c1r3c0|18,r6c1r7c1r8c1r8c2|13,r3c1r3c2r4c0r4c1|18,r0c5r0c6r0c7r0c8|9,r6c3r7c3|15,r2c2r2c3|13,r6c2r7c2|13,r4c5r4c6|15,r0c0r1c0r1c1r1c2|11,r5c5r6c5|7,r2c4r2c5|15,r6c4r7c4r7c5|15,r5c0r5c1|13,r0c4r1c3r1c4|3,r5c6r6c6|19,r3c3r3c4r4c4|23,r7c6r7c7r8c6r8c7|11,r4c2r4c3r5c2|25,r1c5r1c6r2c6r2c7r3c7|20,r6c7r6c8r7c8r8c8|13,r3c5r3c6", "solution": "285931476391647852647825319713284965452196738968753124174568293539472681826319547", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1137, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1136, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-01-11", "puzzle": "22,r5c7r5c8r6c7r6c8|17,r2c2r2c3|9,r7c7r8c7|25,r4c0r4c1r4c2r5c2r6c2|33,r0c1r0c2r0c3r0c4r0c5r0c6r0c7|12,r7c0r8c0|8,r2c5r2c6|15,r7c8r8c8|7,r4c3r4c4r4c5|11,r0c0r1c0|6,r7c1r8c1|12,r1c7r2c7r2c8|24,r4c6r4c7r4c8r5c6r6c6|26,r1c2r1c3r1c4r1c5r1c6|18,r7c2r8c2r8c3|26,r3c0r3c1r3c2r3c3|18,r5c0r5c1r6c0r6c1|14,r0c8r1c8|14,r6c4r7c4r8c4|7,r2c4r3c4|37,r5c3r5c4r5c5r6c3r6c5r7c3r7c5|13,r1c1r2c0r2c1|18,r7c6r8c5r8c6|13,r3c5r3c6r3c7r3c8", "solution": "713496825458732619269815374872963541596241783134587296681379452327154968945628137", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1136, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1139, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-12", "puzzle": "9,r5c7r6c7|20,r1c3r2c2r2c3|35,r4c7r4c8r5c8r6c8r7c8r8c8|3,r0c0r0c1|33,r6c1r6c2r7c0r7c1r7c2r8c0r8c1|29,r0c3r0c4r0c5r0c6r1c4r2c4|10,r4c3r5c2r5c3|17,r0c7r0c8|10,r6c3r7c3|13,r2c6r2c7|37,r3c4r4c4r5c4r5c5r6c4r6c5r6c6|35,r1c0r1c1r2c0r2c1r3c0r4c0|11,r7c4r7c5|9,r3c1r3c2r3c3|4,r4c6r5c6|13,r0c2r1c2|5,r7c6r7c7|34,r2c8r3c5r3c6r3c7r3c8r4c5|11,r5c0r6c0|15,r1c5r1c6r1c7r1c8r2c5|34,r8c2r8c3r8c4r8c5r8c6r8c7|18,r4c1r4c2r5c1", "solution": "127635489486791523935824761543219876672483195891567342368142957714956238259378614", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1139, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1140, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-13", "puzzle": "13,r7c3r7c4|7,r4c5r4c6|15,r1c4r1c5|6,r6c3r6c4|14,r3c1r3c2r4c1|13,r0c2r0c3r1c3|17,r7c6r7c7r8c7|7,r4c8r5c8|12,r0c6r1c6|10,r6c5r6c6|18,r2c6r3c5r3c6|15,r0c4r0c5|7,r7c8r8c8|13,r5c0r5c1|16,r1c7r1c8r2c7r2c8|15,r6c7r6c8|17,r3c7r3c8|8,r0c7r0c8|9,r8c0r8c1|22,r5c2r5c3r6c2|9,r2c0r2c1|18,r6c0r6c1r7c0r7c1|9,r3c0r4c0|6,r0c0r1c0|7,r8c3r8c4|23,r3c3r3c4r4c4r5c4r5c5|7,r2c2r2c3|12,r7c2r8c2|9,r4c2r4c3|18,r0c1r1c1r1c2|15,r7c5r8c5r8c6|11,r4c7r5c6r5c7|7,r2c4r2c5", "solution": "269178435475396812183425967341562789692784351857931246536249178914857623728613594", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1140, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1143, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-14", "puzzle": "19,r6c2r7c2r8c2r8c3|8,r5c0r6c0|16,r0c8r1c8|11,r6c7r6c8r7c6r7c7|8,r2c8r3c8|24,r0c0r0c1r0c2r1c0|25,r7c8r8c6r8c7r8c8|13,r5c1r6c1|14,r1c1r1c2r2c0r2c1|14,r7c0r8c0|12,r4c0r4c1|15,r0c5r0c6r1c6r2c6|28,r3c4r3c5r4c4r5c3r5c4|12,r2c2r2c3|4,r7c1r8c1|12,r4c2r4c3r5c2|15,r0c3r0c4r1c3|18,r5c5r5c6r5c7r5c8|13,r2c4r2c5|5,r7c3r7c4|6,r3c6r4c5r4c6|11,r1c4r1c5|13,r6c3r6c4|21,r3c0r3c1r3c2r3c3|18,r7c5r8c4r8c5|15,r4c7r4c8|11,r0c7r1c7|15,r6c5r6c6|9,r2c7r3c7", "solution": "384761259951238467267594813426973185578142396193685742742856931639417528815329674", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1143, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1142, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-13", "puzzle": "23,r4c2r5c2r5c3r6c2r6c3|5,r0c5r1c5|4,r8c6r8c7|21,r3c4r4c3r4c4r4c5r5c4|8,r0c1r0c2|10,r7c3r8c3|25,r2c5r2c6r3c5r3c6r4c6|21,r3c7r3c8r4c7r4c8|29,r0c6r0c7r0c8r1c6r1c8r2c8|25,r6c4r7c4r7c5r8c4r8c5|11,r1c7r2c7|10,r5c5r6c5|8,r0c0r1c0|27,r5c6r6c6r6c7r7c6r7c7|24,r2c0r3c0r3c1|17,r5c7r5c8r6c8|27,r1c1r1c2r2c1r2c2r3c2|13,r7c8r8c8|5,r2c3r3c3|5,r6c1r7c1|35,r0c3r0c4r1c3r1c4r2c4|32,r6c0r7c0r7c2r8c0r8c1r8c2|20,r4c0r4c1r5c0r5c1", "solution": "617592834245683791893174526976418253381725649452369187738951462124836975569247318", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1142, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1141, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-13", "puzzle": "25,r6c4r6c5r7c4r7c5|25,r1c6r1c7r2c6r2c7|25,r3c6r3c7r3c8r4c6r4c7r4c8|22,r0c3r0c4r0c5r0c6r1c5|7,r6c6r7c6|13,r0c7r0c8r1c8r2c8|9,r5c3r6c3|16,r0c0r1c0r2c0r3c0|24,r6c7r7c7r8c6r8c7|21,r3c1r3c2r3c3r4c3|27,r4c5r5c5r5c6r5c7|22,r0c1r0c2r1c1r2c1|23,r5c8r6c8r7c8r8c8|5,r2c5r3c5|20,r6c0r7c0r8c0r8c1|12,r1c2r2c2|24,r7c3r8c2r8c3r8c4r8c5|27,r4c0r4c1r4c2r5c0r5c1r5c2|20,r6c1r6c2r7c1r7c2|27,r1c3r1c4r2c3r2c4|11,r3c4r4c4r5c4", "solution": "396284715724951863158673924549362178867519432231847659472138596683795241915426387", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1141, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1144, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-14", "puzzle": "30,r4c2r5c2r6c2r6c3r7c1r7c2|7,r1c3r1c4|22,r7c3r8c3r8c4|5,r4c0r5c0|16,r0c4r0c5r1c5|8,r7c4r7c5|27,r1c6r1c7r2c5r2c6r3c6r4c6|6,r3c8r4c8|19,r0c6r0c7r0c8r1c8|12,r7c6r8c5r8c6|25,r2c0r2c1r2c2r3c0r3c1r3c2|20,r4c1r5c1r6c0r6c1|15,r0c0r1c0|14,r7c7r8c7|9,r2c3r2c4r3c3|13,r5c5r6c4r6c5|10,r0c1r1c1|7,r7c8r8c8|40,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|37,r5c6r5c7r5c8r6c6r6c7r6c8|19,r0c2r0c3r1c2|21,r7c0r8c0r8c1r8c2|23,r2c7r2c8r3c7r4c7", "solution": "938761452674529318251438679386295741197684235425173896819346527542817963763952184", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1144, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1145, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-01-14", "puzzle": "6,r5c0r6c0|22,r0c7r0c8r1c7r1c8|7,r7c4r8c4|11,r3c1r4c1|11,r0c2r0c3|28,r5c1r5c2r5c3r5c4r6c4|11,r1c3r2c3r3c3|21,r6c6r6c7r7c6r7c7|11,r3c2r4c2|24,r0c5r0c6r1c5r1c6|14,r4c8r5c8r6c8|7,r2c5r2c6r2c7|16,r7c8r8c7r8c8|9,r4c3r4c4r4c5|14,r0c0r0c1r1c0|24,r6c1r6c2r6c3|18,r2c0r3c0r4c0|17,r7c2r7c3r8c2r8c3|8,r4c6r5c6|19,r1c1r1c2r2c1r2c2|22,r5c5r6c5r7c5|21,r2c4r3c4r3c5r3c6r3c7|12,r8c5r8c6|10,r4c7r5c7|10,r0c4r1c4|17,r7c0r7c1r8c0r8c1|15,r2c8r3c8", "solution": "254713986761298453839564127693472518428351679175689234587926341942137865316845792", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1145, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1146, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-15", "puzzle": "4,r8c0r8c1|8,r4c2r5c2|9,r1c7r1c8|9,r6c6r6c7|12,r3c5r3c6|13,r0c0r0c1|11,r8c2r8c3|11,r4c4r5c4r5c5|16,r2c0r2c1|15,r6c0r7c0|20,r3c7r3c8r4c7r4c8|11,r0c2r0c3|17,r8c4r8c5r8c6|20,r5c6r5c7r5c8|10,r1c5r2c5r2c6|7,r6c2r7c2|18,r4c0r4c1r5c0|9,r1c0r1c1r1c2|16,r7c7r8c7r8c8|15,r5c1r6c1r7c1|10,r2c7r2c8|7,r7c3r7c4|10,r3c3r4c3|20,r0c4r0c5r1c3r1c4|12,r5c3r6c3|6,r3c0r3c1|11,r6c8r7c8|7,r4c5r4c6|25,r0c6r0c7r0c8r1c6|19,r6c4r6c5r7c5r7c6|27,r2c2r2c3r2c4r3c2r3c4", "solution": "584721693216893745973546128428679351397415286651382974765934812842167539139258467", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1146, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1148, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-01-15", "puzzle": "19,r7c0r7c1r8c0r8c1|10,r1c0r2c0r3c0|40,r3c1r3c2r4c0r4c1r4c2r5c0r5c1|8,r0c2r0c3|21,r6c2r7c2r7c3|27,r0c0r0c1r1c1r2c1|27,r5c2r5c3r5c4r5c5r6c3r6c5|22,r0c4r0c5r0c6r1c4r2c4|10,r6c6r7c5r7c6|9,r2c7r2c8|10,r6c0r6c1|9,r1c2r1c3r2c2|28,r6c4r7c4r8c2r8c3r8c4|34,r2c3r2c5r3c3r3c4r3c5r3c6|16,r6c7r7c7r8c7r8c8|12,r1c5r1c6r2c6|7,r8c5r8c6|35,r3c7r3c8r4c6r4c7r4c8r5c6r5c7|19,r5c8r6c8r7c8|24,r0c7r0c8r1c7r1c8|18,r4c3r4c4r4c5", "solution": "465328791291547386783916254139452867627189435854673912378265149916734528542891673", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1148, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1147, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-15", "puzzle": "23,r5c0r5c1r6c0r6c1r7c0|20,r0c4r1c4r2c4r3c4|10,r7c2r8c2|8,r2c6r2c7|15,r0c0r0c1|23,r5c7r5c8r6c7r6c8r7c8|12,r1c6r1c7|20,r8c3r8c4r8c5|22,r1c8r2c8r3c8|14,r0c2r0c3|13,r5c3r6c2r6c3|12,r1c0r2c0r3c0|12,r7c6r8c6|30,r3c1r3c2r4c0r4c1r4c2r5c2|5,r0c5r0c6|17,r5c5r6c5r6c6|7,r2c1r2c2|14,r7c7r8c7r8c8|35,r3c3r3c5r4c3r4c4r4c5r5c4r6c4|8,r0c7r0c8|14,r7c3r7c4r7c5|12,r1c3r2c3|24,r3c6r3c7r4c6r4c7r4c8r5c6|8,r1c1r1c2|16,r7c1r8c0r8c1|11,r1c5r2c5", "solution": "785931462162475938943826175237584619651793284498162357529317846376248591814659723", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1147, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1149, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-16", "puzzle": "22,r7c4r8c3r8c4|10,r5c0r5c1r6c0|10,r2c0r2c1|39,r5c7r6c6r6c7r6c8r7c8r8c8|12,r3c5r3c6r4c5|8,r0c2r0c3|10,r7c6r8c6|11,r5c4r5c5r6c4|11,r1c2r2c2|26,r6c1r7c0r7c1r8c0|16,r3c0r4c0r4c1|13,r0c4r0c5|3,r7c7r8c7|11,r4c6r5c6|9,r1c4r2c4|11,r7c2r7c3|3,r4c2r4c3|13,r0c7r0c8r1c8r2c8|14,r4c8r5c8|13,r1c5r2c5r2c6|8,r6c5r7c5r8c5|16,r3c4r4c4|17,r0c0r0c1r1c0r1c1|13,r5c2r6c2|10,r3c1r3c2|9,r8c1r8c2|12,r3c7r3c8r4c7|28,r0c6r1c6r1c7r2c7|10,r5c3r6c3|17,r1c3r2c3r3c3", "solution": "657149832423867591918532467782496153361275948549318276194723685275684319836951724", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1149, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1150, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-16", "puzzle": "16,r4c7r5c7|5,r1c1r2c1|22,r7c7r7c8r8c6r8c7r8c8|16,r3c1r4c1|11,r0c4r0c5r1c4|30,r5c0r5c1r5c2r6c0r6c1r6c2|18,r2c2r2c3r2c4r2c5|6,r8c2r8c3|5,r4c2r4c3|26,r0c2r0c3r1c2r1c3|20,r5c3r5c4r6c3|12,r2c7r2c8r3c7|36,r6c4r6c5r7c4r7c5r8c4r8c5|14,r3c4r3c5r4c4|29,r0c6r0c7r0c8r1c5r1c6|23,r6c6r6c7r6c8r7c6|7,r3c2r3c3|11,r3c8r4c8r5c8|9,r1c7r1c8|15,r7c0r7c1r8c0r8c1|12,r2c6r3c6|17,r4c5r4c6r5c5r5c6|21,r0c0r0c1r1c0r2c0|11,r7c2r7c3|13,r3c0r4c0", "solution": "926541837318769245745823916891674352574132698263985471487316529139258764652497183", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1150, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1151, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-01-16", "puzzle": "11,r6c0r7c0|37,r0c6r1c5r1c6r1c7r1c8r2c7r2c8|39,r6c7r6c8r7c5r7c6r7c7r7c8r8c6|35,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|4,r0c0r0c1|5,r6c1r6c2|16,r1c0r2c0|12,r8c0r8c1|23,r4c3r4c4r4c5r4c6r4c7|15,r0c7r0c8|10,r5c5r6c4r6c5|14,r2c1r2c2|5,r8c7r8c8|19,r3c8r4c8r5c8|11,r0c2r1c1r1c2|17,r7c1r7c2r8c2|15,r2c4r2c5r3c5|22,r5c2r5c3r5c4r6c3|5,r0c3r1c3|14,r7c3r8c3|24,r2c3r3c2r3c3r3c4|17,r5c6r5c7r6c6|17,r0c4r0c5r1c4|10,r7c4r8c4r8c5|8,r2c6r3c6r3c7", "solution": "135426978724198365986735124413687259258349617697251483341872596869514732572963841", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1151, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1152, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-17", "puzzle": "22,r7c7r8c7r8c8|8,r5c3r5c4|28,r0c7r0c8r1c7r1c8|18,r6c2r7c1r7c2|8,r3c3r3c4|8,r0c0r0c1|20,r4c5r5c5r6c5r7c5|3,r1c3r2c3|16,r7c0r8c0r8c1r8c2|23,r3c5r3c6r4c6|14,r0c2r0c3r1c2|9,r5c0r6c0|11,r2c4r2c5|15,r7c3r8c3|30,r2c8r3c7r3c8r4c7r4c8r5c7r5c8|7,r0c5r0c6|14,r6c3r6c4|5,r2c6r2c7|4,r7c4r8c4|11,r4c3r4c4|17,r1c0r1c1r2c0|16,r5c6r6c6r7c6|13,r3c0r4c0|7,r8c5r8c6|11,r5c1r5c2r6c1|20,r0c4r1c4r1c5r1c6|9,r6c7r6c8r7c8|38,r2c1r2c2r3c1r3c2r4c1r4c2", "solution": "713945268842167359569283417475628931938471625621359784387596142256714893194832576", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1152, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1155, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-18", "puzzle": "3,r8c5r8c6|16,r4c4r5c4r5c5|15,r0c5r1c5|35,r7c3r7c4r7c5r8c3r8c4|16,r2c5r3c5r4c5|8,r0c0r0c1|33,r4c6r4c7r5c6r5c7r6c7r6c8|6,r1c7r1c8|4,r6c6r7c6|11,r3c6r3c7|10,r0c3r0c4|9,r4c8r5c8|21,r1c0r2c0r3c0r4c0r5c0|27,r7c7r7c8r8c7r8c8|7,r2c8r3c8|16,r0c6r0c7r0c8|24,r6c0r6c1r7c0r7c1|18,r1c1r2c1r3c1|9,r8c0r8c1|10,r4c1r5c1|13,r0c2r1c2|15,r5c3r6c2r6c3|20,r1c6r2c6r2c7|4,r7c2r8c2|11,r4c2r5c2|23,r1c3r1c4r2c3r2c4r3c4|7,r6c4r6c5|14,r2c2r3c2r3c3r4c3", "solution": "354917628679328451182645793237189564815462937496573812968234175721856349543791286", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1155, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1154, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-17", "puzzle": "20,r5c3r5c4r6c3|17,r0c4r1c4|7,r6c8r7c8|8,r2c8r3c8|8,r0c2r0c3|10,r5c7r5c8|12,r0c7r0c8r1c7r1c8|13,r7c0r8c0|14,r3c0r4c0r5c0r5c1|13,r0c5r0c6r1c5|5,r5c2r6c2|15,r2c4r2c5r3c4|36,r6c0r6c1r7c1r7c2r7c3r8c1r8c2|16,r3c2r4c2|14,r0c0r1c0r2c0|4,r6c4r6c5|16,r1c6r2c6|20,r7c7r8c7r8c8|18,r4c4r4c5r5c5r5c6|30,r0c1r1c1r2c1r3c1r4c1|18,r6c6r6c7r7c6r8c6|9,r3c5r3c6|16,r4c6r4c7r4c8|23,r1c2r1c3r2c2r2c3r3c3r4c3|28,r7c4r7c5r8c3r8c4r8c5|15,r2c7r3c7", "solution": "732691854695384712148275963267438195489152637351967428974513286526849371813726549", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1154, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1157, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-18", "puzzle": "8,r4c8r5c8r6c8|27,r1c6r1c7r1c8r2c6r2c7|27,r7c3r8c3r8c4r8c5r8c6|25,r4c2r4c3r4c4r4c5r4c6|24,r0c2r0c3r0c4r0c5r1c5|28,r6c1r6c2r7c0r7c1r7c2|22,r2c0r3c0r4c0|5,r5c0r6c0|16,r0c6r0c7r0c8|13,r5c4r6c4r6c5|34,r0c0r0c1r1c0r1c1r2c1r3c1|26,r4c1r5c1r5c2r5c3r6c3|6,r1c2r2c2|10,r7c4r7c5|4,r3c2r3c3|13,r5c5r5c6|5,r1c3r1c4|8,r6c6r7c6|34,r2c5r3c5r3c6r3c7r4c7|35,r5c7r6c7r7c7r7c8r8c7r8c8|14,r2c3r2c4r3c4|14,r8c0r8c1r8c2|7,r2c8r3c8", "solution": "175286349892143657634579812961327485748915263253864971387652194526491738419738526", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1157, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1153, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-17", "puzzle": "27,r6c0r6c1r7c0r7c1r8c0r8c1|7,r1c6r2c6|25,r3c3r4c3r4c4r4c5r5c4|6,r0c2r0c3|42,r5c3r6c2r6c3r7c2r7c3r7c4r7c5|7,r1c7r2c7|6,r4c0r5c0|17,r0c4r0c5r1c5|7,r8c2r8c3|25,r2c0r2c1r3c0r3c1r3c2|10,r5c1r5c2|21,r0c0r0c1r1c0r1c1|5,r8c4r8c5|18,r1c4r2c4r2c5r3c4r3c5|14,r6c4r6c5|9,r1c2r2c2|25,r5c5r5c6r6c6r7c6r8c6|33,r0c6r0c7r0c8r1c8r2c8r3c8|45,r3c6r3c7r4c6r4c7r4c8r5c7r5c8r6c7r6c8|13,r1c3r2c3|26,r7c7r7c8r8c7r8c8|17,r4c1r4c2", "solution": "852493716713685249946712538561934872498127653237568194674859321129376485385241967", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1153, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1156, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-18", "puzzle": "16,r7c0r7c1r8c0r8c1|12,r3c7r4c7r5c7|20,r1c6r1c7r2c7|13,r6c4r7c4r7c5|12,r2c5r3c5|21,r0c0r0c1r1c0r1c1|16,r8c4r8c5r8c6|13,r3c8r4c8r5c8|12,r2c0r2c1|5,r6c8r7c8|24,r2c6r3c6r4c6r5c6r6c6|11,r0c4r0c5r0c6|11,r8c7r8c8|11,r5c1r5c2|17,r1c4r1c5r2c4|15,r6c2r7c2r8c2|12,r3c0r4c0r5c0|9,r0c7r0c8|13,r5c3r5c4r6c3|13,r1c8r2c8|15,r7c3r8c3|16,r4c1r4c2|12,r0c2r1c2r2c2|6,r5c5r6c5|6,r3c1r3c2|21,r6c7r7c6r7c7|10,r4c3r4c4r4c5|7,r0c3r1c3|14,r6c0r6c1|22,r2c3r3c3r3c4", "solution": "697318245512469837483527196124895763879136452365742918956274381238951674741683529", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1156, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1158, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-01-19", "puzzle": "7,r7c3r7c4|10,r3c6r4c6|7,r0c8r1c8|9,r6c4r6c5|8,r2c5r3c5r4c5|21,r0c1r0c2r0c3r1c1r1c3|6,r7c8r8c8|15,r4c7r4c8|7,r2c1r3c1|14,r5c6r6c6r7c6|5,r2c7r3c7|29,r0c4r0c5r0c6r1c6r2c6|32,r6c2r7c2r8c2r8c3r8c4|6,r5c0r6c0|6,r1c2r2c2r3c2|9,r5c7r6c7|12,r2c8r3c8|16,r0c0r1c0|27,r7c5r7c7r8c5r8c6r8c7|5,r5c1r6c1|12,r2c3r2c4|7,r7c0r8c0|11,r4c0r4c1|15,r1c4r1c5|18,r4c3r5c3r6c3|14,r2c0r3c0|12,r7c1r8c1|11,r4c2r5c2|9,r0c7r1c7|12,r5c8r6c8|33,r3c3r3c4r4c4r5c4r5c5", "solution": "985127346742369851613845927861792435294531678537486219126954783478613592359278164", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1158, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1159, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-19", "puzzle": "28,r3c4r3c5r4c4r5c3r5c4|24,r2c1r2c2r2c3r2c4r2c5|10,r7c6r8c6|10,r4c2r4c3|28,r0c0r0c1r1c0r1c1|10,r5c5r5c6r5c7|9,r2c0r3c0|13,r7c5r8c4r8c5|13,r4c5r4c6|14,r0c3r0c4r1c3|14,r5c8r6c8|10,r3c1r3c2r3c3|21,r7c7r7c8r8c7r8c8|8,r4c7r4c8|9,r0c2r1c2|27,r6c3r6c4r6c5r6c6r6c7|9,r2c6r3c6|20,r5c0r5c1r6c0r6c1|17,r0c5r0c6r1c4r1c5|23,r7c0r7c1r7c2r8c0r8c1|21,r2c7r2c8r3c7r3c8|12,r5c2r6c2|22,r0c7r0c8r1c6r1c7r1c8|23,r7c3r7c4r8c2r8c3|10,r4c0r4c1", "solution": "962417583857923461341856297625398714193745826784162359418279635276531948539684172", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1159, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1162, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-20", "puzzle": "13,r5c1r6c1|17,r0c7r0c8r1c7r1c8|13,r8c0r8c1r8c2|8,r4c3r4c4|30,r0c0r0c1r0c2r0c3r1c2r2c2|16,r6c2r6c3r6c4|19,r2c6r2c7r2c8|12,r8c3r8c4r8c5|9,r3c7r4c7|20,r1c0r1c1r2c0r2c1|7,r5c6r6c5r6c6|10,r3c2r3c3|36,r7c6r7c7r7c8r8c6r8c7r8c8|5,r4c2r5c2|21,r0c4r1c3r1c4r2c3|9,r5c7r6c7|19,r2c4r2c5r3c4|15,r5c3r5c4|9,r0c5r1c5|9,r6c0r7c0|18,r3c8r4c8r5c8r6c8|24,r3c5r3c6r4c5r4c6r5c5|9,r0c6r1c6|27,r7c1r7c2r7c3r7c4r7c5|30,r3c0r3c1r4c0r4c1r5c0", "solution": "629587314481932675537146928176493852853621749942875136798354261215768493364219587", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1162, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1160, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-19", "puzzle": "25,r5c1r6c1r7c0r7c1|13,r1c5r1c6|5,r8c2r8c3|16,r4c3r4c4r4c5|12,r0c5r0c6|10,r7c2r7c3|16,r1c7r1c8r2c7r3c7|31,r3c0r3c1r4c0r4c1r4c2r5c0r6c0|11,r0c7r0c8|12,r7c5r8c4r8c5|8,r1c4r2c3r2c4|21,r5c2r5c3r6c2r6c3|25,r0c0r1c0r2c0r2c1|33,r5c6r6c6r7c6r7c7r8c6r8c7|11,r3c3r3c4|11,r5c4r5c5|27,r0c1r0c2r1c1r1c2r2c2r3c2|17,r6c7r6c8r7c8r8c8|20,r2c5r2c6r3c5r3c6|19,r6c4r6c5r7c4|15,r0c3r0c4r1c3|9,r8c0r8c1|38,r2c8r3c8r4c6r4c7r4c8r5c7r5c8", "solution": "165829374932547681874136259417653928259718463386492517798365142621984735543271896", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1160, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1161, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-20", "puzzle": "10,r7c2r7c3|16,r3c5r4c5r5c5|21,r0c6r0c7r0c8r1c6|17,r6c0r7c0|18,r2c1r2c2r3c1|11,r0c0r0c1r1c1|9,r7c4r7c5|14,r4c6r4c7r4c8|10,r1c0r2c0|13,r6c3r6c4|17,r3c2r3c3r3c4|15,r0c2r0c3|23,r7c6r8c6r8c7r8c8|12,r3c0r4c0r5c0|9,r2c3r2c4|14,r5c6r6c5r6c6|9,r3c7r3c8|12,r0c4r0c5|17,r7c1r8c0r8c1|9,r5c1r6c1r6c2|13,r2c5r2c6r3c6|7,r6c7r7c7|10,r4c1r4c2|10,r1c2r1c3|10,r8c2r8c3|13,r5c2r5c3r5c4|14,r1c7r2c7|8,r6c8r7c8|10,r4c3r4c4|6,r1c4r1c5|6,r8c4r8c5|14,r5c7r5c8|8,r1c8r2c8", "solution": "216957834389124657745638291694581372528376149137249586851492763972863415463715928", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1161, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1163, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-20", "puzzle": "9,r4c8r5c8|21,r1c5r2c5r2c6|11,r8c7r8c8|19,r4c1r5c1r6c1r6c2r7c2|24,r0c0r0c1r1c0r1c1r2c0|35,r5c0r6c0r7c0r7c1r8c0|5,r2c1r3c1|13,r4c2r5c2|34,r1c2r1c3r2c2r2c3r3c2r3c3|30,r7c3r7c4r7c5r8c3r8c4r8c5|17,r2c4r3c4r3c5|29,r4c3r4c4r5c3r5c4r6c3r6c4r6c5|25,r0c2r0c3r0c4r0c5r1c4|18,r6c6r6c7r7c6r8c6|11,r2c8r3c8|10,r4c5r5c5|28,r0c6r0c7r1c6r1c7r2c7|16,r6c8r7c7r7c8|7,r3c0r4c0|16,r4c7r5c6r5c7|3,r0c8r1c8|7,r8c1r8c2|17,r3c6r3c7r4c6", "solution": "873562491165498732249137658418759263326814975597326184731645829984273516652981347", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1163, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1164, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-21", "puzzle": "22,r7c3r8c3r8c4|16,r3c8r4c8|17,r1c3r1c4|30,r6c0r6c1r6c2r7c0r7c1r7c2|12,r3c4r4c4r5c4|17,r0c2r0c3r1c2|12,r7c6r8c5r8c6|20,r4c3r5c1r5c2r5c3r6c3|27,r1c6r1c7r1c8r2c6r2c7r2c8|11,r7c4r7c5|20,r2c5r3c5r3c6r3c7r4c5|9,r0c4r0c5r1c5|11,r4c7r5c7|8,r2c1r2c2|12,r7c7r8c7|8,r4c0r5c0|18,r0c6r0c7r0c8|9,r5c8r6c8|19,r2c3r2c4r3c3|10,r7c8r8c8|9,r3c2r4c2|11,r0c0r1c0|18,r5c5r6c4r6c5|4,r2c0r3c0|15,r8c0r8c1r8c2|11,r4c6r5c6|10,r0c1r1c1|5,r6c6r6c7|14,r3c1r4c1", "solution": "489213765726985413135476892351867249298541637674329581967154328512638974843792156", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1164, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1165, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-21", "puzzle": "45,r3c4r3c5r4c2r4c3r4c4r4c5r4c6r5c3r5c4|15,r1c6r1c7r1c8|8,r7c5r7c6|10,r3c0r4c0|37,r0c0r0c1r1c0r1c1r2c0r2c1|19,r5c5r5c6r5c7|10,r2c2r2c3|12,r8c0r8c1|19,r4c1r5c1r5c2|7,r0c2r0c3|14,r6c1r6c2r6c3|12,r1c4r1c5r2c4|17,r8c2r8c3r8c4|12,r3c6r3c7r4c7|14,r0c4r0c5r0c6|13,r6c4r7c3r7c4|16,r2c5r2c6r2c7|3,r8c5r8c6|9,r4c8r5c8|10,r0c7r0c8|12,r6c5r6c6|15,r3c1r3c2r3c3|36,r6c7r6c8r7c7r7c8r8c7r8c8|5,r5c0r6c0|11,r1c2r1c3|16,r7c0r7c1r7c2|8,r2c8r3c8", "solution": "684325791293817654571946283749261835362598417158734962417659328826173549935482176", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1165, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1167, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-22", "puzzle": "5,r8c5r8c6|18,r4c1r4c2r5c1|7,r0c8r1c8|17,r6c5r7c5|10,r3c3r3c4|15,r0c0r0c1r1c0|13,r7c8r8c7r8c8|3,r5c4r5c5|13,r1c3r2c3|9,r7c0r8c0|12,r3c7r4c6r4c7|16,r0c2r0c3|7,r5c6r5c7|26,r1c5r2c4r2c5r3c5r3c6|12,r7c4r8c4|13,r4c0r5c0|14,r0c5r0c6r0c7r1c6|11,r5c8r6c8|29,r1c7r2c6r2c7r2c8|27,r6c6r6c7r7c6r7c7|20,r4c3r4c4r4c5|20,r1c1r1c2r2c1r2c2|17,r6c0r6c1r6c2r7c1|4,r2c0r3c0|22,r7c2r8c1r8c2r8c3|11,r3c8r4c8|9,r0c4r1c4|22,r5c2r5c3r6c3r6c4r7c3|3,r3c1r3c2", "solution": "649785231537912486182436795321647859475893612968521347813269574254178963796354128", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1167, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1166, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-01-21", "puzzle": "13,r6c0r6c1|23,r0c5r1c4r1c5r2c4r2c5|9,r8c0r8c1|16,r4c0r4c1r4c2|14,r0c1r0c2|12,r5c8r6c7r6c8|22,r0c6r1c6r1c7r1c8|14,r8c4r8c5|14,r4c6r4c7r4c8|8,r0c3r0c4|22,r7c0r7c1r7c2r8c2|8,r2c0r2c1r3c0|11,r8c6r8c7|19,r5c0r5c1r5c2r6c2|7,r0c7r0c8|22,r6c3r6c4r7c3r7c4r8c3|15,r2c7r2c8|45,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4r5c5|11,r0c0r1c0|22,r6c5r6c6r7c5r7c6r7c7|10,r3c1r3c2|10,r5c6r5c7|27,r1c1r1c2r1c3r2c2r2c3|13,r7c8r8c8|18,r2c6r3c6r3c7r3c8", "solution": "968714352217853649435629178182476593394285761756391284671942835829537416543168927", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1166, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1170, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-01-23", "puzzle": "11,r8c1r8c2|17,r5c2r5c3|8,r1c6r1c7|13,r5c0r6c0r7c0r8c0|12,r3c5r3c6|7,r0c4r0c5|10,r8c3r8c4|17,r2c4r3c4r4c4r5c4r6c4|23,r0c8r1c8r2c8r3c8|16,r7c1r7c2|5,r2c7r3c7|17,r0c6r0c7|18,r4c5r5c5r5c6|5,r1c2r2c2|19,r6c5r7c4r7c5r8c5|19,r3c1r4c0r4c1r4c2|12,r0c0r1c0|14,r5c8r6c7r6c8|10,r1c5r2c5r2c6|13,r7c7r8c6r8c7|26,r4c6r4c7r4c8r5c7|13,r0c1r0c2r1c1|11,r6c2r6c3r7c3|20,r2c0r2c1r3c0|5,r7c8r8c8|9,r5c1r6c1|26,r0c3r1c3r1c4r2c3|14,r6c6r7c6|15,r3c2r3c3r4c3", "solution": "325761984964283175781945236576419328813526497249837561152378649497652813638194752", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1170, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1168, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-22", "puzzle": "15,r5c1r5c2r5c3r6c3r6c4|13,r1c3r2c3|25,r6c8r7c7r7c8r8c7r8c8|13,r3c4r4c4r5c4|26,r0c0r0c1r1c0r1c1r2c0|12,r6c5r7c5|21,r2c4r2c5r3c5r3c6r3c7|13,r4c5r5c5|31,r0c2r0c3r0c4r0c5r1c2r1c4|13,r6c6r6c7|18,r1c8r2c7r2c8r3c8|8,r4c8r5c8|13,r0c6r0c7r0c8r1c7|15,r6c2r7c2r7c3|30,r3c1r3c2r4c1r4c2|28,r4c6r4c7r5c6r5c7|19,r1c5r1c6r2c6|23,r7c1r8c0r8c1r8c2|4,r3c0r4c0|13,r5c0r6c0r6c1r7c0|9,r2c1r2c2|31,r7c4r7c6r8c3r8c4r8c5r8c6|12,r3c3r4c3", "solution": "829673154741952836563418972197586243386724591452139687218345769635297418974861325", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1168, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1169, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-22", "puzzle": "15,r5c5r5c6|3,r1c7r1c8|11,r7c0r8c0r8c1|29,r3c0r3c1r4c0r5c0r6c0|19,r0c0r0c1r1c0r1c1|6,r5c7r5c8|7,r2c0r2c1|20,r7c2r7c3r8c2r8c3|9,r4c4r4c5r4c6|11,r0c3r0c4|13,r6c2r6c3|18,r1c4r2c3r2c4r3c4|6,r8c4r8c5|16,r3c8r4c7r4c8|18,r0c6r0c7r0c8|31,r6c4r6c5r6c6r7c4r7c5r7c6|24,r1c6r2c6r2c7r2c8|19,r8c6r8c7r8c8|18,r4c1r4c2r5c1|27,r0c2r1c2r1c3r2c2|11,r6c1r7c1|6,r3c2r3c3|15,r4c3r5c2r5c3r5c4|8,r0c5r1c5|19,r6c7r6c8r7c7r7c8|26,r2c5r3c5r3c6r3c7", "solution": "814923576739865421256417893381576942975142368462398715527689134198234657643751289", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1169, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1171, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-23", "puzzle": "16,r6c1r6c2r7c1r7c2|14,r0c5r1c5|15,r7c7r8c7|13,r4c2r5c2|44,r0c6r0c7r0c8r1c8r2c8r3c8r4c8r5c8|15,r6c3r6c4|12,r2c0r2c1|5,r7c8r8c8|23,r3c5r4c3r4c4r4c5r5c3|14,r0c0r1c0|11,r6c7r6c8|10,r2c4r2c5|11,r3c6r4c6|41,r3c0r4c0r5c0r6c0r7c0r8c0r8c1r8c2|3,r0c1r1c1|9,r7c3r8c3|21,r1c6r1c7r2c6r2c7|9,r3c7r4c7r5c7|21,r0c2r0c3r1c2r1c3|7,r7c4r8c4|29,r2c2r2c3r3c2r3c3r3c4|23,r5c4r5c5r5c6r6c5r6c6|5,r0c4r1c4|15,r7c5r7c6r8c5r8c6|19,r3c1r4c1r5c1", "solution": "523918647917246835486573192241895763395167428768432519132784956674359281859621374", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1171, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1172, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-23", "puzzle": "6,r4c7r5c7|11,r0c5r1c5|16,r6c7r7c6r7c7|15,r3c6r3c7r4c6|10,r0c0r0c1r1c0|16,r6c0r6c1r7c1|15,r0c6r1c6r1c7|9,r7c0r8c0|12,r4c0r4c1|16,r0c2r0c3r1c3|35,r4c5r5c4r5c5r5c6r6c5r6c6|23,r2c2r2c3r3c2r3c3|22,r7c2r8c1r8c2r8c3r8c4|31,r3c4r3c5r4c3r4c4r5c3|8,r0c7r0c8|12,r5c8r6c8|12,r2c4r2c5r2c6|7,r8c5r8c6|12,r5c0r5c1|16,r1c1r1c2r2c1|20,r6c3r6c4r7c3|26,r1c8r2c7r2c8r3c8r4c8|18,r7c8r8c7r8c8|7,r4c2r5c2r6c2|10,r0c4r1c4|4,r7c4r7c5|16,r2c0r3c0r3c1", "solution": "368524971159387246427961538936175482841692357572438619614859723295713864783246195", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1172, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1175, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-24", "puzzle": "21,r4c7r5c6r5c7r5c8r6c6|27,r1c4r1c5r1c6r2c5r2c6r3c5|26,r8c2r8c3r8c4r8c5r8c6|5,r3c6r3c7|10,r0c1r0c2r1c1|8,r6c4r6c5|13,r0c8r1c8|16,r4c5r4c6|14,r0c3r0c4|34,r6c0r6c1r6c2r7c0r7c1r7c2r7c3|14,r2c0r2c1|11,r3c8r4c8|11,r0c5r0c6r0c7|13,r7c4r7c5|31,r2c2r2c3r2c4r3c2r4c2r5c2|9,r4c3r5c3r6c3|12,r0c0r1c0|38,r6c7r6c8r7c6r7c7r7c8r8c7r8c8|16,r1c7r2c7r2c8|24,r3c3r3c4r4c4r5c4r5c5|11,r1c2r1c3|11,r8c0r8c1|30,r3c0r3c1r4c0r4c1r5c0r5c1", "solution": "817592364423861579956734281572689413634217958189345726268453197395176842741928635", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1175, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1174, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-24", "puzzle": 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"14,r5c3r5c4r6c4|22,r0c8r1c7r1c8r2c7r2c8|16,r6c3r7c3r7c4r8c3|13,r4c0r4c1r5c0r5c1|21,r0c0r0c1r0c2r1c0|12,r5c8r6c8|8,r2c1r3c1|14,r7c5r7c6r7c7|16,r3c2r3c3r4c2|10,r0c3r0c4|19,r5c2r6c2r7c2|7,r2c2r2c3|12,r8c1r8c2|18,r4c3r4c4r4c5|13,r0c6r0c7|11,r6c5r6c6|12,r1c6r2c6r3c6|17,r8c4r8c5|13,r4c6r5c5r5c6|17,r1c1r1c2r1c3|10,r5c7r6c7|13,r2c0r3c0|19,r7c8r8c6r8c7r8c8|26,r3c7r3c8r4c7r4c8|25,r0c5r1c4r1c5r2c5|21,r6c0r6c1r7c0r7c1r8c0|6,r2c4r3c4r3c5", "solution": "791643852482795136536128974859431267163972485247856319628514793914367528375289641", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1173, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1176, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-01-25", "puzzle": "9,r7c6r8c6|10,r4c5r5c5|16,r0c5r1c5r2c5r3c5|11,r6c5r6c6|13,r2c6r3c6|8,r0c0r0c1|7,r7c7r7c8|13,r4c6r4c7r5c6r5c7|17,r1c6r1c7|14,r6c7r6c8|12,r2c7r3c7|11,r0c6r0c7r0c8|9,r8c0r8c1r8c2|16,r4c8r5c8|11,r2c0r2c1|11,r7c1r7c2|10,r3c0r4c0|7,r1c0r1c1|12,r8c7r8c8|13,r5c1r6c1|14,r2c2r2c3|18,r5c3r6c3r7c3r8c3|21,r3c1r3c2r4c1r4c2|13,r0c2r1c2|7,r5c2r6c2|29,r1c4r2c4r3c4r4c4r5c4r6c4r7c4|18,r7c5r8c4r8c5|7,r3c3r4c3|21,r0c3r0c4r1c3|19,r5c0r6c0r7c0|8,r1c8r2c8r3c8", "solution": "718594632435762981296831574147629853982153467563487129674218395829345716351976248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1176, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1177, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-25", "puzzle": "16,r6c6r6c7|34,r0c8r1c5r1c6r1c8r2c6r2c7r2c8|15,r7c5r8c5|18,r4c2r4c3r5c2|8,r0c2r0c3|10,r7c1r7c2|11,r2c2r2c3r3c2|20,r7c6r8c6r8c7r8c8|16,r4c4r4c5r5c4|33,r0c4r0c5r0c6r1c3r1c4r2c4r2c5|12,r6c4r6c5r7c4|34,r3c3r3c4r3c5r3c6r3c7r3c8r4c6|9,r5c5r5c6|29,r0c0r0c1r1c0r2c0r3c0|3,r7c7r7c8|15,r4c8r5c8r6c8|13,r4c7r5c7|22,r1c1r1c2r2c1r3c1|14,r8c1r8c2|22,r4c0r5c0r6c0r7c0r8c0|24,r5c3r6c2r6c3r7c3|11,r0c7r1c7|8,r8c3r8c4|8,r4c1r5c1r6c1", "solution": "261789354587423169934516827742891635856374291319652748428135976673948512195267483", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1177, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1178, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-01-25", "puzzle": "17,r5c4r5c5r5c6r6c5|11,r1c4r2c3r2c4|21,r7c1r8c1r8c2r8c3|4,r4c2r4c3|10,r0c0r0c1|25,r5c7r6c6r6c7r6c8|26,r1c5r2c5r3c5r3c6|7,r8c4r8c5|20,r4c4r4c5r4c6|10,r0c4r0c5|16,r6c0r7c0r8c0|21,r2c6r2c7r3c7|11,r8c6r8c7|15,r3c8r4c7r4c8r5c8|12,r1c0r1c1r2c0|18,r6c2r7c2r7c3|23,r0c7r0c8r1c7r1c8r2c8|12,r7c8r8c8|16,r5c0r5c1r6c1|21,r0c2r0c3r1c2r1c3|11,r6c4r7c4|35,r2c1r2c2r3c1r3c2r3c3r3c4|12,r5c2r5c3r6c3|5,r0c6r1c6|11,r7c5r7c6r7c7|15,r3c0r4c0r4c1", "solution": "918537426452689137376214985593826741641375892287491563864152379735968214129743658", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1178, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1179, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-26", "puzzle": "4,r7c1r8c1|25,r3c3r3c4r4c4r5c4r5c5|12,r0c7r1c7|8,r5c7r6c7|11,r2c2r3c2|7,r0c1r0c2|16,r7c5r7c6r7c7|10,r3c5r4c5|13,r0c8r1c8|9,r5c8r6c8|16,r3c6r4c6|29,r0c3r0c4r1c4r1c5r2c5|11,r7c8r8c8|3,r3c7r4c7|11,r2c3r2c4|19,r6c0r6c1r6c2r7c2|9,r3c8r4c8|3,r0c5r0c6|7,r8c2r8c3|7,r4c0r5c0|19,r1c6r2c6r2c7r2c8|12,r6c4r6c5|12,r4c1r5c1|12,r0c0r1c0|30,r6c3r7c3r7c4r8c4r8c5|9,r4c2r5c2|3,r2c0r3c0|17,r7c0r8c0|10,r4c3r5c3|18,r1c1r1c2r1c3|9,r8c6r8c7|10,r5c6r6c6|14,r2c1r3c1", "solution": "743592186596318247182746593269483715358167924471925638627839451934651872815274369", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1179, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1180, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-26", "puzzle": "5,r5c7r5c8|7,r2c2r2c3|19,r8c0r8c1r8c2r8c3|33,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|12,r0c5r0c6r0c7r0c8|3,r6c5r6c6|7,r3c0r3c1|17,r4c7r4c8|35,r0c2r0c3r0c4r1c3r1c4r2c4|23,r6c7r7c6r7c7r8c7r8c8|17,r2c5r3c5|20,r5c0r5c1r6c1|25,r1c5r1c6r1c7r1c8r2c8|15,r6c8r7c8|22,r2c6r3c6r4c6r5c6|19,r3c2r4c2r5c2r6c2|7,r1c0r2c0|29,r6c0r7c0r7c1r7c2r7c3|16,r2c7r3c7r3c8|9,r5c3r6c3|25,r0c0r0c1r1c1r1c2r2c1|31,r6c4r7c4r7c5r8c4r8c5r8c6|9,r4c0r4c1", "solution": "639872451287145396514369872162938745453217689798456123846591237375624918921783564", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1180, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1182, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-27", "puzzle": "9,r8c0r8c1|19,r4c6r4c7r5c7|8,r1c3r1c4|3,r6c4r6c5|7,r3c3r3c4|23,r0c1r0c2r1c1r1c2|11,r8c2r8c3|9,r4c8r5c8|33,r1c5r1c6r2c5r3c5r3c6|24,r5c6r6c6r6c7r6c8|3,r3c7r3c8|6,r0c3r0c4|13,r8c4r8c5|7,r5c0r5c1|26,r2c0r2c1r2c2r3c2|30,r5c2r5c3r6c3r7c2r7c3|14,r3c0r4c0|17,r0c5r0c6|20,r7c6r7c7r8c6r8c7|10,r5c4r5c5|12,r2c3r2c4|7,r7c4r7c5|16,r3c1r4c1r4c2|9,r0c7r0c8|15,r6c0r7c0|7,r1c7r2c6r2c7|7,r7c8r8c8|12,r4c3r4c4r4c5|3,r0c0r1c0|10,r6c1r6c2r7c1|15,r1c8r2c8", "solution": "274158963193267548685394127567439812928615734341782695736821459819543276452976381", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1182, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1183, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-27", "puzzle": "9,r6c8r7c8|12,r1c2r2c1r2c2|11,r8c3r8c4|19,r4c0r4c1r5c0r5c1r6c0|12,r0c1r0c2|27,r7c0r7c1r8c0r8c1|20,r2c3r2c4r2c5r2c6|3,r8c5r8c6|32,r4c2r4c3r4c4r5c2r5c3|21,r0c0r1c0r1c1r2c0|25,r6c1r6c2r7c2r7c3r8c2|34,r1c7r1c8r2c7r2c8r3c8r4c8r5c8|8,r8c7r8c8|4,r4c5r4c6|14,r0c3r0c4r0c5r1c3|11,r6c5r7c5|8,r3c0r3c1|14,r5c5r5c6r5c7|16,r1c4r1c5|12,r6c6r7c6|11,r3c2r3c3|16,r5c4r6c3r6c4r7c4|18,r0c6r0c7r0c8r1c6|15,r6c7r7c7|33,r3c4r3c5r3c6r3c7r4c7", "solution": "857234619461597238392168574623859741549721386178643925215386497734915862986472153", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1183, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1181, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-01-26", "puzzle": "25,r5c7r5c8r6c8r7c8r8c8|10,r0c8r1c8|8,r7c2r7c3|18,r2c8r3c8r4c8|15,r0c2r0c3r0c4|11,r6c0r7c0|16,r1c1r2c1|23,r7c4r7c5r7c6r8c6|7,r3c5r4c5|17,r0c0r0c1r1c0|20,r5c4r6c2r6c3r6c4|34,r2c2r2c3r2c4r3c3r3c4|13,r6c7r7c7r8c7|10,r4c6r4c7|10,r1c2r1c3r1c4|15,r5c5r6c5|4,r2c0r3c0|11,r8c0r8c1|23,r4c0r4c1r5c0r5c1r5c2|23,r0c5r1c5r1c6r2c5r2c6r3c6|12,r5c6r6c6|19,r3c1r3c2r4c2|19,r8c2r8c3r8c4r8c5|13,r4c3r4c4r5c3|16,r0c6r0c7r1c7|7,r6c1r7c1|6,r2c7r3c7", "solution": "452678193893521467176493258369782514284915736715346982548269371637154829921837645", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1181, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1184, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-01-27", "puzzle": "10,r5c7r5c8|20,r0c0r0c1r0c2r1c0r2c0|34,r7c6r7c7r7c8r8c6r8c7r8c8|10,r2c8r3c8r4c8|13,r0c3r0c4|25,r5c2r5c3r6c0r6c1r6c2|12,r2c1r2c2|10,r8c2r8c3|13,r3c0r4c0|22,r0c5r0c6r0c7r1c5|30,r6c3r6c4r6c5r6c6r6c7r6c8|3,r2c5r2c6|4,r8c4r8c5|19,r4c4r4c5r5c4|30,r1c1r1c2r1c3r1c4r2c3|22,r7c0r7c1r8c0r8c1|9,r3c1r3c2|18,r4c1r4c2r4c3r5c0r5c1|12,r1c6r1c7r2c7|13,r7c2r7c3|18,r2c4r3c3r3c4r3c5|23,r4c6r4c7r5c5r5c6|13,r0c8r1c8|7,r7c4r7c5|15,r3c6r3c7", "solution": "421678395567392148893541276654239781718456923239187564375964812186725439942813657", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1184, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1185, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-28", "puzzle": "11,r7c4r8c4|11,r4c7r4c8|5,r2c1r2c2|15,r6c7r6c8|11,r3c1r3c2r4c2|16,r0c2r0c3r1c2r1c3|13,r7c5r8c5r8c6|7,r4c3r5c3|17,r2c3r3c3|9,r7c0r7c1r8c0|16,r4c0r4c1r5c1|18,r0c5r0c6r1c5|5,r7c7r8c7|12,r5c6r5c7r5c8|10,r2c4r2c5|13,r7c2r7c3|9,r3c4r4c4|9,r0c7r0c8|8,r7c8r8c8|15,r5c0r6c0r6c1|28,r1c6r1c7r2c6r2c7r3c7|10,r6c6r7c6|20,r3c5r4c5r5c5|22,r0c0r0c1r1c0r1c1|10,r5c2r6c2|15,r1c8r2c8r3c8|23,r8c1r8c2r8c3|6,r3c6r4c6|12,r0c4r1c4|16,r5c4r6c3r6c4r6c5|13,r2c0r3c0", "solution": "352476981869153472741982356625834197174269538983517624517348269236791845498625713", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1185, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1186, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-28", "puzzle": "12,r7c8r8c8|16,r4c7r4c8r5c8|9,r1c2r2c2|16,r5c7r6c7r6c8|8,r2c7r3c7|13,r0c2r0c3|29,r4c3r4c4r4c5r5c3r5c4r5c5|27,r1c3r1c5r2c3r2c4r2c5|10,r7c0r8c0|10,r2c8r3c8|13,r0c5r0c6|11,r5c1r6c0r6c1|14,r1c6r2c6|9,r8c2r8c3|22,r4c0r4c1r5c0|17,r0c0r0c1r1c0r1c1|28,r5c2r6c2r7c1r7c2r8c1|13,r2c0r3c0|6,r7c4r8c4|6,r3c2r4c2|9,r0c4r1c4|26,r6c3r6c4r6c5r7c3r7c5|7,r2c1r3c1|11,r8c5r8c6|4,r3c6r4c6|19,r0c7r0c8r1c7r1c8|24,r5c6r6c6r7c6r7c7r8c7|16,r3c3r3c4r3c5", "solution": "379415826251386974648792531734268159592174368816539742467851293125943687983627415", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1186, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1187, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-28", "puzzle": 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"5,r6c6r7c6|13,r3c5r4c5|10,r0c4r1c4|28,r4c8r5c8r6c8r7c8|17,r2c0r3c0|16,r0c1r0c2|17,r7c1r8c0r8c1r8c2|9,r3c7r4c7|5,r0c5r1c5|14,r5c1r6c1|9,r2c4r3c4|13,r0c6r0c7|27,r7c4r8c3r8c4r8c5|15,r4c0r5c0r6c0r7c0|15,r1c6r1c7|18,r6c3r6c4r6c5r7c3r7c5|6,r2c8r3c8|8,r0c0r1c0|22,r7c7r8c6r8c7r8c8|14,r4c2r5c2r5c3|4,r0c8r1c8|4,r5c7r6c7|8,r3c1r4c1|9,r1c1r1c2|5,r4c4r5c4|11,r2c1r2c2r2c3r3c2|13,r6c2r7c2|15,r3c3r4c3|10,r0c3r1c3|24,r4c6r5c5r5c6|21,r2c5r2c6r2c7r3c6", "solution": "679324581245781693813569742952638174734915826168247935387456219496172358521893467", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1188, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1189, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2010-01-29", "puzzle": 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"17,r6c2r7c2|9,r2c2r2c3|16,r3c0r4c0r4c1r4c2r5c2|8,r0c3r0c4|33,r6c3r6c4r7c4r7c5r8c4r8c5r8c6|12,r2c7r2c8|35,r2c4r3c3r3c4r4c3r4c4r5c3r5c4|9,r1c2r1c3|15,r7c6r7c7r8c7|14,r3c1r3c2|29,r5c0r5c1r6c0r7c0r8c0r8c1|25,r0c5r0c6r1c4r1c5r1c6|20,r7c3r8c2r8c3|32,r2c5r3c5r4c5r4c6r4c7r5c6|27,r5c5r6c5r6c6r6c7r6c8|27,r0c7r0c8r1c7r1c8|3,r7c8r8c8|6,r2c6r3c6|7,r6c1r7c1|37,r0c0r0c1r0c2r1c0r1c1r2c0r2c1|24,r3c7r3c8r4c8r5c7r5c8", "solution": "841269357532784169976315248195672483264938715783451926358127694629843571417596832", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1190, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1191, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-30", "puzzle": "11,r7c0r7c1|26,r3c3r4c3r4c4r4c5r5c5|14,r1c7r1c8|11,r5c8r6c8|17,r3c1r3c2|13,r0c3r0c4|11,r7c2r7c3r8c2r8c3|17,r4c6r4c7r4c8|13,r1c1r2c1|9,r5c2r6c2|14,r2c5r3c4r3c5|9,r0c7r0c8|7,r7c6r8c6|8,r5c0r6c0|14,r1c3r2c2r2c3|11,r6c4r7c4|6,r2c7r3c7|16,r0c0r0c1r1c0|16,r7c8r8c7r8c8|13,r5c1r6c1|11,r1c4r2c4|11,r6c5r6c6r7c5|7,r2c8r3c8|6,r0c2r1c2|11,r8c0r8c1|15,r5c3r5c4r6c3|8,r2c6r3c6|16,r6c7r7c7|12,r4c0r4c1r4c2|22,r0c5r0c6r1c5r1c6|15,r8c4r8c5|11,r5c6r5c7|4,r2c0r3c0", "solution": "532769418864132759179485326398627541417853962256914837683571294921348675745296183", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1191, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1192, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-30", "puzzle": "10,r5c0r5c1|19,r0c4r1c4r1c5r1c6r1c7|6,r6c5r7c5r8c5|25,r2c5r3c5r4c5r4c6|24,r0c5r0c6r0c7r0c8r1c8|31,r4c4r5c4r5c5r5c6r5c7r6c7|6,r2c2r2c3|24,r6c6r7c6r8c6|12,r3c6r3c7|10,r0c0r1c0|25,r6c0r6c1r7c0r7c1r8c0|13,r2c6r2c7|10,r8c1r8c2|10,r2c8r3c8|9,r0c1r1c1r2c1|12,r5c8r6c8r7c8r8c8|22,r2c0r3c0r4c0r4c1|14,r8c3r8c4|22,r3c3r4c3r5c3r6c3r7c3|14,r0c2r1c2|10,r6c2r7c2|21,r3c1r3c2r4c2r5c2|11,r7c7r8c7|8,r4c7r4c8|15,r0c3r1c3|11,r6c4r7c4|11,r2c4r3c4", "solution": "765834219329716548814295673156329487947158326283467195678542931532971864491683752", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1192, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1193, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-30", "puzzle": "15,r5c4r6c4|36,r1c1r1c2r1c3r2c1r2c2r3c1|11,r8c0r8c1|16,r3c4r4c3r4c4|12,r0c0r0c1r1c0|11,r5c5r5c6r6c5|30,r1c4r2c4r2c5r3c5r3c6r3c7|9,r8c4r8c5r8c6|11,r4c5r4c6|22,r0c2r0c3r0c4|19,r6c6r6c7r7c6|20,r2c6r2c7r2c8r3c8|23,r7c7r7c8r8c7r8c8|3,r5c0r5c1|19,r0c6r0c7r1c6r1c7|16,r6c0r6c1r7c0r7c1|18,r2c0r3c0r4c0|8,r4c7r5c7|9,r0c5r1c5|23,r6c2r7c2r8c2r8c3|6,r2c3r3c2r3c3|12,r4c8r5c8r6c8|10,r0c8r1c8|13,r7c4r7c5|33,r4c1r4c2r5c2r5c3r6c3r7c3", "solution": "816795243392614587574238916983126754467953821125487369658371492231849675749562138", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1193, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1194, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-01-31", "puzzle": "13,r6c7r6c8|16,r4c1r4c2r4c3r4c4|15,r0c8r1c8|12,r8c6r8c7|9,r5c7r5c8|23,r3c0r3c1r4c0r5c0r5c1|14,r0c0r0c1|8,r7c5r7c6r7c7|10,r4c5r4c6|10,r1c0r2c0|13,r6c0r7c0|11,r3c2r3c3|12,r0c2r0c3|12,r7c8r8c8|11,r4c7r4c8|14,r1c1r1c2r2c1|15,r6c1r7c1r7c2|23,r2c5r3c4r3c5|6,r0c4r0c5|8,r8c0r8c1|7,r5c2r5c3|9,r1c3r2c2r2c3|20,r6c2r6c3r7c3|12,r2c6r3c6|4,r0c6r0c7|9,r8c2r8c3|20,r5c4r5c5r6c5|8,r1c4r2c4|8,r6c4r7c4|8,r3c7r3c8|17,r1c5r1c6r1c7|12,r8c4r8c5|7,r5c6r6c6|9,r2c7r2c8", "solution": "685742319394158276712639845179286453846513792523497681958324167437961528261875934", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1194, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1195, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-01-31", "puzzle": "10,r4c7r4c8r5c8|25,r0c7r1c7r2c6r2c7|9,r7c3r8c3|30,r2c8r3c6r3c7r3c8r4c6|9,r0c0r1c0|24,r6c0r6c1r6c2r6c3r7c1|13,r0c8r1c8|9,r7c4r8c4|29,r3c3r3c5r4c3r4c4r4c5|14,r0c1r1c1r2c1r2c2|7,r5c4r6c4|9,r1c3r2c3|9,r7c5r8c5|16,r4c0r4c1r5c0|19,r0c2r0c3r1c2|35,r6c5r6c6r6c7r6c8r7c7|3,r1c5r2c5|5,r7c6r8c6|15,r5c1r5c2r5c3|17,r0c4r1c4|16,r7c0r8c0r8c1|22,r2c0r3c0r3c1r3c2r4c2|12,r7c8r8c7r8c8|15,r5c5r5c6r5c7|11,r0c5r0c6r1c6|14,r7c2r8c2|8,r2c4r3c4", "solution": "129386457847592136635471982582613749361749825794258613413927568278165394956834271", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1195, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1196, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-01-31", "puzzle": "12,r5c2r6c2|3,r2c4r2c5|22,r6c7r7c7r8c7r8c8|7,r4c4r4c5|20,r0c0r0c1r0c2r0c3r1c0|4,r5c3r6c3|35,r0c7r0c8r1c6r1c7r2c6r2c7r3c7|13,r6c8r7c8|10,r4c6r5c6|21,r1c1r1c2r1c3r2c1|13,r5c4r5c5r6c4|12,r1c8r2c8r3c8|10,r7c0r8c0|21,r4c7r4c8r5c7r5c8|13,r0c4r1c4|11,r7c3r7c4|29,r2c2r2c3r3c1r3c2r4c1|12,r7c1r8c1|8,r5c0r6c0|20,r0c5r0c6r1c5|12,r6c5r7c5|5,r3c5r3c6|28,r7c2r8c2r8c3r8c4r8c5r8c6|14,r5c1r6c1|18,r2c0r3c0r4c0|5,r6c6r7c6|27,r3c3r3c4r4c2r4c3", "solution": "652473891318569742479812653526981437943725168187346925765134289291658374834297516", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1196, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1197, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-01", "puzzle": "18,r6c8r7c8r8c8|9,r4c7r4c8|6,r0c5r1c5|12,r5c7r5c8|14,r1c6r2c5r2c6r3c5|13,r0c1r0c2|8,r8c0r8c1r8c2|10,r5c0r6c0|26,r1c1r1c2r2c1r2c2|20,r6c1r7c0r7c1|10,r3c6r3c7|11,r0c3r0c4|16,r8c4r8c5|6,r5c1r5c2|16,r1c7r1c8r2c7|17,r6c6r6c7r7c6r7c7|7,r2c8r3c8|18,r0c6r0c7r0c8|10,r8c6r8c7|30,r5c3r6c2r6c3r7c2|15,r3c0r3c1|8,r7c3r8c3|13,r4c0r4c1|6,r0c0r1c0r2c0|4,r5c4r6c4|7,r3c2r3c3|12,r6c5r7c4r7c5|23,r4c2r4c3r4c4r4c5r4c6|16,r1c3r1c4r2c3|9,r5c5r5c6|15,r2c4r3c4", "solution": "258741693369285147174693852783462915942158736615937284437816529896524371521379468", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1197, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1198, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-01", "puzzle": "13,r4c8r5c8|16,r1c1r1c2r2c1r2c2|24,r7c0r8c0r8c1|10,r2c8r3c8|11,r0c2r0c3|31,r5c0r5c1r5c2r6c0r6c1r6c2|19,r1c3r2c3r2c4|9,r8c2r8c3|9,r4c0r4c1|31,r0c5r0c6r1c5r1c6r2c5r2c6|5,r5c3r6c3|19,r1c7r2c7r3c7|13,r8c4r8c5|16,r3c3r3c4r4c3|7,r0c7r0c8r1c8|15,r6c4r6c5r7c4r7c5|3,r2c0r3c0|14,r7c7r7c8r8c7r8c8|24,r4c4r4c5r5c4r5c5|20,r0c0r0c1r1c0|13,r7c1r7c2r7c3|15,r3c1r3c2r4c2|16,r4c6r4c7r5c6r5c7|10,r0c4r1c4|31,r6c6r6c7r6c8r7c6r8c6|11,r3c5r3c6", "solution": "568347912927861354134925687281594763456273198379186425615432879842719536793658241", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1198, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1199, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-02-01", "puzzle": "17,r5c8r6c7r6c8|21,r1c7r2c7r3c7|33,r7c7r7c8r8c5r8c6r8c7r8c8|17,r4c3r4c4r4c5|36,r0c0r0c1r0c2r0c3r1c0r1c1|14,r5c1r6c1r7c1|6,r2c0r2c1r3c0|9,r4c7r4c8|11,r0c7r0c8r1c8|23,r6c5r6c6r7c5r7c6|24,r3c1r3c2r3c3r3c4|14,r5c0r6c0|25,r0c4r0c5r1c4r2c4r2c5|14,r7c2r7c3r8c2|26,r2c6r3c5r3c6r4c6|22,r4c2r5c2r5c3r6c2|8,r0c6r1c5r1c6|18,r6c3r6c4r7c4r8c3r8c4|9,r2c8r3c8|14,r5c4r5c5r5c6r5c7|21,r1c2r1c3r2c2r2c3|17,r7c0r8c0r8c1|6,r4c0r4c1", "solution": "794258163685913472321674895138762954246395718579481236913826547867549321452137689", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1199, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1200, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-02", "puzzle": "11,r6c4r7c4|23,r3c4r4c3r4c4r4c5r5c4|14,r0c7r1c7|9,r5c2r6c2|12,r2c6r2c7|13,r0c3r0c4r0c5|16,r8c0r8c1|8,r4c0r5c0|9,r0c8r1c8|10,r5c3r6c3r7c3|3,r2c0r3c0|13,r0c0r1c0|4,r7c2r8c2|14,r4c1r5c1|9,r2c1r2c2|24,r5c5r6c5r7c5|22,r3c1r3c2r3c3r4c2|8,r0c1r1c1|11,r8c3r8c4r8c5|5,r4c7r5c7|9,r1c3r2c3|12,r5c6r6c6|20,r3c5r3c6r3c7r4c6|13,r0c2r1c2|13,r7c6r8c6|7,r4c8r5c8|16,r1c4r2c4|22,r6c7r6c8r7c7r7c8|15,r2c8r3c8|3,r0c6r1c6|7,r8c7r8c8|23,r6c0r6c1r7c0r7c1|7,r1c5r2c5", "solution": "475823196918476253236591487129754638384962715567318942652189374841637529793245861", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1200, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1201, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-02", "puzzle": "21,r4c4r5c4r5c5r6c5r7c5|13,r0c6r1c6|13,r8c1r8c2|6,r2c3r3c3|13,r0c0r0c1r1c1|8,r4c8r5c8|24,r0c7r0c8r1c7r1c8r2c8r3c8|29,r7c8r8c5r8c6r8c7r8c8|12,r3c5r3c6r4c5|15,r0c2r0c3|32,r5c0r6c0r6c1r7c0r7c1r8c0|13,r1c0r2c0|18,r3c0r4c0r4c1r5c1|8,r1c2r1c3|33,r6c3r6c4r7c3r7c4r8c3r8c4|8,r2c1r2c2|23,r3c7r4c6r4c7r5c6|15,r0c4r1c4r2c4r3c4|31,r5c7r6c6r6c7r6c8r7c6r7c7|13,r2c6r2c7|9,r4c3r5c3|21,r0c5r1c5r2c5|7,r6c2r7c2|20,r3c1r3c2r4c2r5c2", "solution": "236958714485317692971426853619274385348165927752893461823641579594782136167539248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1201, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1202, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-02-02", "puzzle": "8,r4c8r5c8|18,r0c7r0c8r1c7r2c7|5,r7c3r8c3|3,r4c0r4c1|10,r0c1r0c2|15,r5c0r6c0r6c1|18,r2c1r2c2r3c2r3c3|16,r7c4r8c4r8c5|24,r4c3r4c4r4c5r5c5|8,r0c3r0c4|31,r5c3r5c4r6c2r6c3r6c4|5,r1c4r2c4|13,r3c6r4c6|14,r0c5r0c6|45,r6c6r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|19,r1c8r2c8r3c8|18,r4c2r5c1r5c2|38,r0c0r1c0r1c1r1c2r1c3r2c0r2c3|9,r6c5r7c5|11,r3c0r3c1|16,r3c7r4c7r5c6r5c7|11,r1c5r1c6|33,r7c0r7c1r7c2r8c0r8c1r8c2|17,r2c5r2c6r3c4r3c5", "solution": "873629514542718369916345872659231748127584693438967125291873456785496231364152987", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1202, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1203, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-03", "puzzle": "12,r7c0r8c0|11,r3c3r4c2r4c3|17,r1c3r1c4|3,r8c5r8c6|6,r5c2r5c3|13,r2c0r3c0|9,r0c0r0c1|10,r7c1r7c2|18,r3c4r4c4r5c4|11,r1c6r1c7|9,r8c7r8c8|10,r5c8r6c8|15,r3c5r3c6|10,r0c2r0c3|6,r7c4r7c5|15,r4c5r4c6r5c5|13,r0c8r1c8|11,r6c2r6c3|9,r2c7r3c7|16,r0c4r0c5r1c5|14,r7c7r7c8|17,r4c7r5c6r5c7|14,r1c2r2c1r2c2|12,r6c4r6c5|11,r2c8r3c8r4c8|4,r0c6r0c7|14,r8c1r8c2|14,r4c0r5c0r6c0|5,r2c3r2c4|13,r6c6r6c7r7c6|18,r3c1r3c2r4c1|8,r1c0r1c1|21,r7c3r8c3r8c4|3,r5c1r6c1|13,r2c5r2c6", "solution": "548267319172983654693415872784356921361792548925148763216539487837624195459871236", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1203, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1204, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-02-03", "puzzle": "16,r6c0r7c0r8c0|18,r1c3r2c3r2c4|9,r8c2r8c3r8c4|16,r3c0r4c0r4c1|21,r0c0r0c1r1c0r1c1|11,r5c2r5c3r6c2|13,r2c5r2c6r3c5|41,r5c8r6c8r7c7r7c8r8c5r8c6r8c7r8c8|15,r3c1r3c2r4c2|10,r0c6r0c7r0c8|14,r5c7r6c7|15,r1c7r1c8r2c7|22,r4c4r4c5r5c4r5c5|24,r0c2r1c2r2c0r2c1r2c2|19,r7c1r7c2r8c1|16,r3c3r3c4r4c3|18,r5c0r5c1r6c1|17,r0c3r0c4r1c4|12,r6c3r7c3r7c4|17,r3c6r3c7r4c7|21,r4c6r5c6r6c4r6c5r6c6|10,r0c5r1c5r1c6|15,r7c5r7c6|15,r2c8r3c8r4c8", "solution": "859472316714863529326915748637591284195284673482637195963728451578146932241359867", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1204, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1205, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-02-03", "puzzle": "9,r6c0r6c1|31,r1c7r2c5r2c6r2c7r3c6r3c7|12,r8c0r8c1|13,r3c5r4c5|32,r0c0r0c1r0c2r0c3r1c2|9,r6c7r6c8|14,r1c8r2c8r3c8|26,r7c4r8c2r8c3r8c4r8c5r8c6|27,r4c6r5c5r5c6r6c6|21,r0c5r0c6r0c7r0c8r1c6|12,r7c0r7c1|10,r4c0r4c1|8,r8c7r8c8|10,r4c7r4c8|22,r0c4r1c3r1c4r1c5r2c4|20,r6c3r7c2r7c3|13,r4c2r5c2r5c3r6c2|9,r5c0r5c1|13,r1c0r2c0r3c0|16,r6c5r7c5r7c6|4,r3c3r4c3|12,r5c7r5c8|29,r1c1r2c1r2c2r2c3r3c1r3c2|5,r7c7r7c8|28,r3c4r4c4r5c4r6c4", "solution": "379521486618734259254869371592378164463195728187246593721683945845917632936452817", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1205, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1206, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-04", "puzzle": "20,r7c2r7c3r7c4|6,r4c5r5c5|5,r0c8r1c8|19,r6c0r6c1r6c2r6c3r6c4|15,r4c0r5c0|33,r0c0r0c1r0c2r1c0r1c2r2c0|13,r8c2r8c3|4,r4c6r5c6|9,r1c1r2c1|18,r6c5r6c6r7c5|12,r4c1r5c1|16,r0c3r0c4|10,r8c4r8c5|11,r3c7r4c7|10,r1c3r2c2r2c3|9,r6c7r7c7|7,r3c2r4c2|11,r0c5r0c6|27,r6c8r7c6r7c8r8c6r8c7r8c8|15,r3c8r4c8|28,r2c4r2c5r2c6r2c7r2c8|10,r7c0r8c0|5,r3c3r4c3|15,r1c4r1c5r1c6|15,r5c2r5c3|5,r3c0r3c1|9,r7c1r8c1|19,r3c4r4c4r5c4|8,r0c7r1c7|10,r5c7r5c8|11,r3c5r3c6", "solution": "264793851917658234583124697142386579895271346736945128351467982679832415428519763", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1206, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1209, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-02-05", "puzzle": "10,r6c4r7c4|15,r4c4r4c5r5c4|13,r0c6r1c6|6,r6c0r6c1|9,r2c0r3c0|26,r0c0r0c1r1c0r1c1|15,r8c0r8c1|6,r4c6r4c7|7,r0c7r1c7|14,r6c2r6c3|5,r3c1r3c2|10,r0c2r0c3|11,r7c2r8c2|15,r4c0r5c0|10,r0c8r1c8|5,r5c8r6c8|15,r2c6r3c6|6,r0c4r0c5|4,r8c5r8c6|9,r4c1r5c1|12,r1c2r2c1r2c2|5,r7c0r7c1|16,r3c7r3c8r4c8|12,r1c3r2c3|29,r7c7r7c8r8c7r8c8|11,r4c2r5c2|11,r2c4r2c5|15,r7c3r8c3r8c4|22,r3c3r3c4r3c5r4c3r5c3|9,r1c4r1c5|44,r5c5r5c6r5c7r6c5r6c6r6c7r7c5r7c6|8,r2c7r2c8", "solution": "983751462275436918416829753541972836839165247762348591158697324327514689694283175", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1209, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1207, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-04", "puzzle": "11,r5c0r5c1r6c1|17,r1c5r1c6r1c7r2c5|6,r7c4r7c5|14,r2c7r3c7r3c8|33,r0c0r0c1r0c2r0c3r1c2|9,r5c2r6c2|15,r0c8r1c8r2c8|21,r6c6r6c7r7c7r7c8|22,r3c1r3c2r4c0r4c1r4c2|7,r0c4r0c5|10,r5c8r6c8|13,r2c3r3c3|10,r8c1r8c2|11,r4c3r5c3|8,r0c6r0c7|14,r5c5r6c5|7,r2c0r3c0|10,r8c3r8c4|11,r3c5r4c5|18,r1c0r1c1r2c1r2c2|24,r6c0r7c0r8c0|19,r2c4r3c4r4c4r5c4r6c4|24,r7c6r8c5r8c6r8c7r8c8|31,r4c6r4c7r4c8r5c6r5c7|13,r1c3r1c4|15,r6c3r7c1r7c2r7c3|12,r2c6r3c6", "solution": "489761532275493186136825497697514823312987654548236971721658349953142768864379215", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1207, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1208, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-02-04", "puzzle": "17,r5c2r6c2r6c3r7c3|12,r1c1r1c2r2c1r2c2|26,r4c6r4c7r4c8r5c8|13,r0c2r0c3|20,r6c4r7c4r8c4r8c5|17,r2c3r2c4|44,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4|21,r0c0r0c1r1c0|10,r7c5r7c6r8c6|8,r2c0r3c0|21,r5c5r5c6r6c5r6c6|13,r0c4r0c5r1c3r1c4|20,r8c0r8c1r8c2r8c3|18,r2c5r2c6r3c6r3c7|36,r5c1r6c0r6c1r7c0r7c1r7c2|23,r0c6r0c7r1c5r1c6r1c7r2c7|22,r7c7r7c8r8c7r8c8|19,r3c1r4c0r4c1r5c0|14,r5c7r6c7r6c8|21,r0c8r1c8r2c8r3c8|10,r3c2r4c2", "solution": "987632415426715389531894726378469251152378964694251837863147592715923648249586173", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1208, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1210, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-02-05", "puzzle": "18,r6c8r7c8r8c8|10,r5c0r6c0|15,r0c6r1c6|12,r6c1r7c1r8c1|14,r2c5r2c6r3c5r4c5|29,r0c2r0c3r0c4r1c4|19,r7c4r8c4r8c5r8c6|12,r5c1r5c2|8,r0c7r1c7r2c7|5,r7c2r8c2|17,r3c6r3c7|13,r0c0r1c0r2c0|20,r4c3r5c3r6c2r6c3|11,r0c8r1c8|10,r7c3r8c3|10,r2c8r3c8|10,r0c1r1c1|16,r4c8r5c7r5c8r6c7|6,r2c3r2c4|21,r5c6r6c6r7c5r7c6|16,r4c1r4c2|19,r1c2r1c3r2c2r3c2|8,r6c4r6c5|16,r2c1r3c0r3c1r4c0|12,r7c7r8c7|10,r4c6r4c7|7,r0c5r1c5|16,r7c0r8c0|25,r3c3r3c4r4c4r5c4r5c5", "solution": "385791624421386957679425318136574892597832461248619735864253179712968543953147286", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1210, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1211, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-02-05", "puzzle": "10,r5c0r5c1r6c1|8,r1c0r2c0|37,r6c5r7c4r7c5r7c6r8c4r8c5|16,r4c0r4c1|20,r0c0r0c1r0c2r1c1|10,r5c6r6c6|18,r1c2r2c2r2c3r2c4|13,r6c8r7c8r8c8|16,r3c2r4c2r5c2|19,r0c6r0c7r1c7|8,r5c7r6c7|16,r2c1r3c0r3c1|26,r7c1r8c0r8c1r8c2|13,r4c3r4c4|7,r0c3r1c3|5,r6c0r7c0|32,r3c3r3c4r3c5r4c5r5c3r5c4r5c5|17,r7c7r8c6r8c7|7,r4c6r4c7|33,r0c4r0c5r1c4r1c5r1c6r2c5|19,r6c2r6c3r6c4r7c2|10,r2c6r3c6|14,r3c8r4c8r5c8|18,r0c8r1c8r2c8|5,r7c3r8c3|8,r2c7r3c7", "solution": "624513789183279546795648123438721965972856431516934278249365817351487692867192354", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1211, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1212, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-06", "puzzle": "12,r8c5r8c6|12,r4c4r5c4r6c4|12,r0c8r1c8|13,r6c2r7c2|26,r3c0r3c1r4c0r4c1r4c2r5c0|13,r0c0r0c1|17,r7c8r8c7r8c8|12,r5c7r6c7|13,r1c0r2c0|23,r7c4r7c5r8c4|19,r3c4r3c5r3c6|10,r0c2r0c3|19,r5c1r6c1r7c1|24,r1c1r1c2r2c1r2c2r3c2|9,r7c6r7c7|11,r3c7r3c8|4,r0c5r0c6|18,r5c5r5c6r6c5r6c6|24,r1c3r2c3r2c4r2c5r3c3|5,r8c0r8c1|19,r4c5r4c6r4c7r4c8|11,r0c4r1c4r1c5|7,r5c8r6c8|5,r1c6r2c6|8,r7c3r8c2r8c3|16,r4c3r5c2r5c3r6c3|17,r0c7r1c7|16,r6c0r7c0|10,r2c7r2c8", "solution": "672843195534916287819752346257194638486537921193628574968271453745369812321485769", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1212, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1213, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-06", "puzzle": 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"16,r5c4r6c3r6c4r6c5|12,r1c1r2c1|12,r7c2r7c3|6,r3c5r3c6|28,r0c1r0c2r0c3r0c4r1c3r1c4|12,r5c5r5c6|3,r1c2r2c2|20,r5c8r6c8r7c8r8c8|9,r3c1r4c1r5c1|14,r0c5r0c6|19,r4c0r5c0r6c0r7c0|13,r2c6r2c7|10,r7c1r8c0r8c1|26,r4c2r4c3r4c4r4c5r4c6|15,r0c7r0c8r1c7|15,r6c1r6c2|21,r1c8r2c8r3c8r4c8|14,r8c2r8c3|18,r3c7r4c7r5c7|25,r0c0r1c0r2c0r3c0|10,r6c6r7c6|12,r3c2r3c3|30,r7c4r7c5r8c4r8c5r8c6r8c7|7,r5c2r5c3|12,r1c5r1c6|5,r6c7r7c7|21,r2c3r2c4r2c5r3c4", "solution": "795318624382465791641297583917532468234876159856149372469723815573981246128654937", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1214, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1220, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-02-08", "puzzle": "13,r4c6r5c6|17,r1c0r1c1r2c0|11,r7c2r7c3|13,r4c1r4c2|25,r0c0r0c1r0c2r0c3r0c4|12,r6c1r6c2r7c1|13,r1c2r2c2|12,r8c3r8c4|36,r2c6r2c7r3c5r3c6r3c7r4c5r4c7r5c7|8,r0c5r0c6|6,r6c3r6c4|4,r2c1r3c1|17,r3c8r4c8r5c8|22,r0c7r0c8r1c8r2c8|36,r6c5r6c6r7c4r7c5r7c6r8c5r8c6|7,r3c2r3c3|13,r5c0r5c1|21,r1c3r1c4r1c5r2c3r2c5|34,r6c7r6c8r7c7r7c8r8c7r8c8|20,r2c4r3c4r4c4|21,r4c3r5c2r5c3r5c4r5c5|9,r1c6r1c7|24,r6c0r7c0r8c0r8c1r8c2|11,r3c0r4c0", "solution": "192763584478925361635481729914378652267154938583692417726519843849236175351847296", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1220, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1216, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-07", "puzzle": "31,r5c4r5c5r5c6r6c5r6c6|24,r0c0r1c0r2c0r3c0|13,r7c8r8c6r8c7r8c8|15,r3c7r4c6r4c7r5c7|19,r0c3r0c4r1c4|34,r2c3r2c4r3c3r4c3r5c3r6c3r6c4|7,r2c1r3c1|17,r3c8r4c8r5c8|23,r0c6r0c7r0c8r1c8|26,r7c1r7c2r7c3r8c1r8c2|3,r2c2r3c2|20,r5c0r6c0r7c0r8c0|30,r0c1r0c2r1c1r1c2r1c3|17,r7c5r8c5|34,r2c5r2c6r3c4r3c5r3c6|4,r5c1r6c1|4,r0c5r1c5|25,r6c7r6c8r7c6r7c7|14,r4c0r4c1r4c2|16,r5c2r6c2|14,r1c6r1c7r2c7r2c8|10,r7c4r8c3r8c4|5,r4c4r4c5", "solution": "485923167376481259921657834852764913194832576637195428519346782243578691768219345", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1216, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1217, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-02-07", "puzzle": "18,r6c2r6c3r6c4r7c3r7c4|25,r1c3r1c4r2c2r2c3r2c4|14,r8c6r8c7r8c8|18,r3c4r4c4r4c5r5c4|9,r0c3r0c4|14,r5c7r6c6r6c7|18,r2c6r2c7r3c7|12,r4c7r4c8|15,r0c6r0c7r0c8|18,r7c1r7c2r8c1r8c2|23,r0c0r1c0r2c0r2c1r3c0r3c1|38,r5c0r5c1r6c0r6c1r7c0r8c0|28,r0c1r0c2r1c1r1c2|14,r7c5r8c5|9,r2c8r3c8|37,r2c5r3c5r3c6r4c6r5c5r5c6r6c5|5,r0c5r1c5|16,r7c6r7c7r7c8|25,r3c2r4c0r4c1r4c2r5c2|5,r5c8r6c8|15,r1c6r1c7r1c8|7,r8c3r8c4|22,r3c3r4c3r5c3", "solution": "189453726756192384432768591263571948914836275578924613691347852347285169825619437", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1217, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1219, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-08", "puzzle": "36,r3c7r3c8r4c8r5c8r6c8r7c8|36,r1c2r1c3r1c4r2c1r2c2r2c3r2c4r3c3|12,r7c5r8c5|11,r4c0r5c0r6c0|8,r0c6r0c7|6,r7c0r7c1|35,r1c6r1c7r2c5r2c6r2c7r3c5r3c6|16,r7c6r8c6|11,r5c4r5c5|17,r0c0r1c0|14,r7c2r8c2|32,r2c0r3c0r3c1r4c1r5c1|4,r4c7r5c7|20,r0c1r0c2r0c3r0c4r1c1|7,r8c0r8c1|8,r3c2r4c2|38,r5c2r5c3r6c1r6c2r6c3r6c4|10,r0c5r1c5|6,r7c3r8c3|16,r3c4r4c3r4c4|28,r6c5r6c6r6c7r7c7r8c7r8c8|9,r0c8r1c8r2c8|8,r7c4r8c4|17,r4c5r4c6r5c6", "solution": "832596174915724683764381592687132459521947836493865217279658341156473928348219765", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1219, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1218, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-08", "puzzle": "6,r8c3r8c4|6,r3c8r4c8|12,r0c8r1c8|8,r5c8r6c8|26,r3c1r4c1r4c2r4c3|23,r0c0r0c1r1c0r1c1|9,r8c5r8c6|7,r5c1r5c2|14,r2c0r2c1|6,r6c0r7c0r7c1|12,r3c5r3c6|19,r0c3r0c4r0c5|24,r7c7r7c8r8c7r8c8|9,r6c1r6c2|20,r2c2r2c3r3c2r3c3|14,r6c6r6c7r7c6|12,r3c0r4c0r5c0|16,r0c6r0c7r1c7|8,r5c3r6c3|10,r1c5r2c5|15,r8c0r8c1|14,r4c4r4c5r5c4|5,r0c2r1c2|13,r6c4r7c4r7c5|7,r1c6r2c6|21,r7c2r7c3r8c2|21,r4c6r4c7r5c7|15,r1c3r1c4r2c4r3c4|19,r5c5r5c6r6c5|14,r2c7r2c8r3c7", "solution": "751982634924136578863754219572863941389241765416597382145379826238615497697428153", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1218, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1215, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-07", "puzzle": "22,r6c5r7c5r8c5|30,r3c4r4c3r4c4r4c5r5c4|15,r0c3r1c3r2c3|6,r6c0r6c1|16,r2c0r3c0r3c1|8,r0c0r0c1|24,r6c6r6c7r7c6r8c6|13,r3c7r4c7|15,r0c4r1c4|15,r5c3r6c3r6c4|10,r3c2r3c3|12,r0c5r0c6|8,r7c7r7c8|5,r3c8r4c8|7,r1c5r1c6|15,r7c0r7c1|15,r2c6r3c6r4c6|14,r0c7r0c8|9,r8c0r8c1|9,r4c2r5c2r6c2|8,r1c7r1c8|13,r7c2r7c3|12,r4c0r5c0|10,r1c0r1c1|13,r8c2r8c3|3,r5c5r5c6|13,r2c4r2c5r3c5|3,r7c4r8c4|6,r4c1r5c1|22,r0c2r1c2r2c1r2c2|6,r8c7r8c8|24,r5c7r5c8r6c8|4,r2c7r2c8", "solution": "263174859197583426584962713748295361912638574356741298421359687879426135635817942", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1215, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1222, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-09", "puzzle": "13,r6c0r7c0|15,r1c2r2c1r2c2|27,r7c7r7c8r8c7r8c8|10,r3c0r4c0r5c0|25,r0c0r0c1r0c2r0c3r1c1|12,r6c1r6c2r7c2|19,r1c3r2c3r2c4r2c5|21,r7c1r8c0r8c1r8c2r8c3|12,r3c1r4c1r5c1|11,r0c4r0c5r1c4|28,r6c3r6c4r6c5r7c3|15,r2c6r2c7r3c6|16,r4c2r4c3r4c4|24,r0c6r1c5r1c6|14,r5c6r6c6r6c7|19,r3c2r3c3r3c4|11,r3c5r4c5r5c5|15,r0c7r0c8r1c7r1c8|14,r7c4r8c4r8c5|17,r3c7r4c6r4c7r5c7|22,r5c2r5c3r5c4|12,r1c0r2c0|13,r7c5r7c6r8c6|20,r2c8r3c8r4c8r5c8r6c8", "solution": "814723965952468713367519482179284356428356197536971824783695241641832579295147638", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1222, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1221, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-09", "puzzle": "17,r7c7r8c7r8c8|14,r5c6r5c7r5c8|32,r0c6r0c7r0c8r1c7r1c8r2c8|10,r6c8r7c8|6,r2c7r3c7r4c7|9,r0c1r0c2|11,r5c1r6c0r6c1|11,r1c2r2c1r2c2|24,r7c0r7c1r8c0r8c1|15,r3c8r4c8|6,r0c4r0c5|18,r5c2r6c2r6c3|11,r2c0r3c0|13,r7c2r7c3r8c2|17,r4c1r4c2|21,r0c0r1c0r1c1|13,r6c4r7c4|9,r3c1r3c2|4,r8c3r8c4|4,r4c0r5c0|9,r0c3r1c3r2c3|13,r6c5r7c5|19,r3c3r3c4r3c5r4c5r5c5|11,r8c5r8c6|26,r4c3r4c4r5c3r5c4|18,r1c4r1c5r1c6|9,r6c6r6c7r7c6|35,r2c4r2c5r2c6r3c6r4c6", "solution": "963451287572368491418279635745613829389724516126985743634897152291546378857132964", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1221, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1223, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-02-09", "puzzle": "12,r5c7r6c7|10,r2c3r2c4|17,r6c6r7c6r7c7|12,r2c8r3c8|25,r0c2r0c3r0c4r0c5|15,r4c7r4c8r5c8r6c8|21,r1c7r1c8r2c7|14,r7c8r8c7r8c8|21,r3c2r3c3r4c2r4c3|12,r0c0r0c1r1c0|22,r6c1r7c0r7c1|22,r2c0r3c0r4c0r4c1|23,r8c3r8c4r8c5r8c6|15,r4c5r4c6r5c5r5c6|18,r1c1r1c2r2c2|13,r6c4r6c5|8,r2c1r3c1|10,r5c0r6c0|26,r1c3r1c4r1c5r2c5r3c5|22,r6c2r7c2r8c0r8c1r8c2|10,r3c4r4c4r5c4|7,r5c1r5c2|16,r0c6r0c7r0c8r1c6r2c6|22,r5c3r6c3r7c3r7c4r7c5|12,r3c6r3c7", "solution": "547198326389246175261735498823619754754823619916574283198367542675482931432951867", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1223, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1224, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-10", "puzzle": "11,r6c8r7c8r8c7r8c8|12,r3c7r4c7|9,r1c4r1c5|14,r6c2r6c3r7c2|10,r3c3r4c3|15,r0c2r0c3r1c3|10,r8c1r8c2|7,r3c8r4c8|19,r0c8r1c7r1c8|24,r6c4r6c5r6c6r6c7|7,r4c0r5c0|11,r0c4r0c5|14,r8c3r8c4|38,r3c4r3c5r3c6r4c4r5c2r5c3r5c4|18,r2c1r2c2r2c3r2c4|12,r7c0r7c1r8c0|15,r4c1r5c1|7,r0c6r0c7|19,r7c5r8c5r8c6|7,r4c5r5c5|18,r1c6r2c5r2c6|7,r7c3r7c4|11,r3c2r4c2|24,r0c0r0c1r1c0r2c0|12,r5c7r5c8|7,r2c7r2c8|13,r7c6r7c7|5,r4c6r5c6|7,r1c1r1c2|11,r6c0r6c1|11,r3c0r3c1", "solution": "435729168816345729972816534387152946564973281291684357743261895159438672628597413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1224, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1225, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-10", "puzzle": "7,r4c7r5c7|22,r1c5r2c5r3c5r4c5r4c6|21,r7c3r7c4r8c2r8c3r8c4|18,r3c6r3c7r3c8|25,r0c0r0c1r0c2r0c3r0c4r1c0|11,r4c8r5c8|26,r0c5r0c6r1c6r2c6|36,r6c7r6c8r7c7r7c8r8c7r8c8|11,r3c4r4c4|15,r1c1r1c2r1c3|12,r6c3r6c4|7,r1c8r2c8|12,r8c0r8c1|8,r4c0r5c0|13,r1c4r2c4|24,r5c5r6c5r7c5r7c6|8,r2c0r3c0|5,r8c5r8c6|10,r4c1r5c1|18,r0c7r0c8r1c7r2c7|6,r5c6r6c6|16,r2c1r3c1|19,r5c2r5c3r5c4|13,r2c2r2c3|28,r6c0r6c1r6c2r7c0r7c1r7c2|14,r3c2r3c3r4c2r4c3", "solution": "419236875652897341378541926594162738726358419183974562267489153931725684845613297", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1225, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1226, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-02-10", "puzzle": 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"14,r8c2r8c3r8c4|13,r4c7r4c8|5,r0c8r1c8|17,r6c6r7c6|9,r2c7r3c7|8,r0c1r0c2r0c3|16,r8c5r8c6r8c7|5,r5c0r6c0|13,r1c2r2c2|16,r7c0r8c0|13,r2c8r3c8|22,r0c4r0c5r0c6|12,r5c1r6c1|40,r0c0r1c0r1c1r2c0r2c1r3c0r3c1|12,r7c1r7c2r8c1|5,r4c0r4c1|10,r1c3r2c3|10,r5c2r6c2|15,r3c2r3c3|18,r5c3r6c3r7c3r7c4|15,r4c2r4c3|18,r1c4r1c5r2c5r3c5|10,r5c5r5c6|17,r2c4r3c4r4c4r5c4r6c4|8,r6c5r7c5|11,r4c5r4c6|18,r0c7r1c6r1c7|31,r5c7r5c8r6c7r6c8r7c7r7c8r8c8|4,r2c6r3c6", "solution": "851279643374681592629435187597824316236917458148563729482356971765192834913748265", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1227, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1229, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-12", "puzzle": 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"8,r8c3r8c4|5,r5c0r6c0|3,r0c8r1c8|29,r5c5r6c5r6c6r6c7|13,r2c8r3c8|33,r0c0r0c1r0c2r1c0r1c1|21,r7c7r7c8r8c6r8c7r8c8|12,r3c4r4c4r5c4|21,r2c1r2c2r2c3r3c3|10,r7c0r8c0|7,r4c0r4c1|10,r0c4r0c5|15,r4c6r5c6r5c7|4,r2c4r2c5|6,r7c1r7c2|15,r4c3r5c3|13,r0c6r0c7|9,r5c8r6c8|22,r2c6r2c7r3c6r3c7|28,r7c3r7c4r7c5r7c6r8c5|3,r3c5r4c5|23,r0c3r1c2r1c3r1c4r1c5|19,r5c1r5c2r6c1r6c2|14,r2c0r3c0|17,r8c1r8c2|10,r4c7r4c8|8,r1c6r1c7|10,r6c3r6c4|17,r3c1r3c2r4c2", "solution": "673528491891476352524913768947632185256841937138759246462195873715384629389267514", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1244, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1242, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-16", "puzzle": 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"8,r5c1r5c2r6c1|9,r1c3r1c4|17,r7c2r8c2r8c3r8c4|11,r3c6r3c7r4c6r4c7|15,r0c2r0c3|41,r6c2r6c3r6c4r6c5r7c3r7c4r7c5r8c5|26,r0c8r1c7r1c8r2c8r3c8r4c8|14,r8c7r8c8|10,r5c0r6c0|37,r0c4r0c5r1c5r1c6r2c5r2c6r2c7|8,r6c6r7c6r8c6|23,r2c0r2c1r3c0r3c1r4c0|17,r4c4r5c3r5c4|10,r0c6r0c7|13,r6c7r7c7|14,r2c3r2c4r3c4|14,r5c5r5c6|21,r0c0r0c1r1c0r1c1|10,r6c8r7c8|14,r4c1r4c2|12,r5c7r5c8|31,r1c2r2c2r3c2r3c3r4c3|20,r7c0r7c1r8c0r8c1|10,r3c5r4c5", "solution": "576914823819632745234578691487329516695841237321765984758193462943256178162487359", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1245, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1246, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-02-17", "puzzle": "15,r4c5r5c4r5c5|15,r0c8r1c7r1c8r2c8|12,r8c0r8c1|19,r2c7r3c7r4c7|12,r0c1r0c2r0c3|4,r4c6r5c6|27,r2c1r2c2r3c1r3c2r3c3|7,r7c4r8c3r8c4|11,r4c1r4c2r5c2|17,r0c5r0c6r0c7|19,r5c3r6c3r7c3|13,r1c3r2c3r2c4|15,r7c5r8c5|14,r3c4r4c3r4c4|8,r0c0r1c0|15,r6c4r6c5r6c6|22,r1c5r1c6r2c5r2c6|45,r3c8r4c8r5c7r5c8r6c7r6c8r7c7r7c8r8c8|13,r1c1r1c2|23,r7c0r7c1r7c2r8c2|22,r2c0r3c0r4c0|19,r5c0r5c1r6c0r6c1r6c2|10,r0c4r1c4|21,r7c6r8c6r8c7|7,r3c5r3c6", "solution": "735489261194526873826173594547831629912654387368792145271965438659348712483217956", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1246, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1248, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-18", "puzzle": 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"5,r6c1r6c2|7,r2c2r2c3|12,r8c6r8c7r8c8|15,r4c8r5c8|17,r0c0r0c1r0c2|9,r6c5r6c6|12,r2c6r2c7|7,r5c0r6c0|22,r0c3r1c2r1c3|18,r6c8r7c7r7c8|21,r2c1r3c1r4c1|45,r2c5r3c4r3c5r4c3r4c4r4c5r5c3r5c4r6c3|17,r0c4r0c5r1c4r1c5r2c4|35,r7c0r7c1r7c2r8c0r8c1r8c2|26,r3c2r3c3r4c2r5c1r5c2|18,r3c6r3c7r4c6r5c5r5c6|31,r0c6r0c7r0c8r1c6r1c7r1c8|20,r6c4r7c3r7c4r8c3r8c4|8,r2c8r3c8|15,r4c7r5c7r6c7|15,r1c0r1c1r2c0|22,r7c5r7c6r8c5|8,r3c0r4c0", "solution": "962831475435972861871645932798524316156398247243167598514783629389216754627459183", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1249, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1247, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-12", "puzzle": "15,r5c5r5c6|9,r1c5r1c6r2c5|10,r7c7r7c8|30,r3c3r4c3r4c4r4c5r5c4r6c4r6c5|12,r0c2r0c3|21,r6c1r6c2r7c1r7c2|11,r2c6r2c7|12,r8c0r8c1|12,r3c6r4c6|25,r0c4r0c5r0c6r1c4|31,r6c6r6c7r7c6r8c6r8c7r8c8|10,r1c8r2c8|9,r3c7r4c7r5c7|11,r0c7r0c8r1c7|6,r6c0r7c0|39,r2c1r2c2r3c0r3c1r4c0r5c0r5c1|19,r3c8r4c8r5c8r6c8|36,r0c0r0c1r1c0r1c1r1c2r2c0|13,r6c3r7c3|21,r2c4r3c4r3c5|9,r5c2r5c3|8,r1c3r2c3|25,r7c4r7c5r8c2r8c3r8c4r8c5|11,r3c2r4c1r4c2", "solution": "183964725597382641624571389862195437945237816371846952239758164418629573756413298", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1247, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1250, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-02-18", "puzzle": "15,r4c8r5c8|22,r0c8r1c8r2c7r2c8r3c8|18,r7c2r7c3r8c3|14,r3c0r4c0|9,r0c0r0c1|6,r5c2r6c2|19,r1c0r1c1r2c0r2c1r2c2|18,r7c4r7c5r7c6r8c4|15,r4c1r5c1|15,r0c2r0c3|12,r4c6r5c6r5c7|19,r2c3r2c4r2c5|9,r7c1r8c1r8c2|5,r3c3r4c3|18,r0c6r0c7r1c7|12,r6c3r6c4r6c5|8,r3c1r3c2r4c2|13,r8c5r8c6|10,r4c5r5c5|21,r0c4r1c2r1c3r1c4|26,r6c6r6c7r6c8r7c7r7c8|30,r3c4r3c5r4c4r5c3r5c4|9,r8c7r8c8|9,r3c7r4c7|15,r0c5r1c5r1c6|32,r5c0r6c0r6c1r7c0r8c0|6,r2c6r3c6", "solution": "458713962129654837367928514943276158571389246682541379894165723716832495235497681", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1250, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1251, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-19", "puzzle": "16,r8c0r8c1|11,r3c7r4c7|3,r0c7r1c7|9,r7c0r7c1|24,r2c6r2c7r2c8r3c8|12,r0c3r0c4r0c5|6,r8c2r8c3|7,r4c0r5c0r6c0|15,r0c8r1c8|13,r6c2r6c3r7c2|12,r3c1r4c1|13,r0c0r1c0|14,r8c5r8c6|19,r5c3r5c4r5c5|22,r2c0r2c1r2c2r3c0|22,r6c4r7c3r7c4r7c5r8c4|15,r3c2r4c2r4c3|6,r0c1r1c1|6,r8c7r8c8|11,r4c8r5c8r6c8|12,r1c3r2c3r3c3|20,r6c5r6c6r7c6|6,r3c4r4c4|12,r0c2r1c2|19,r5c1r5c2r6c1|14,r1c4r2c4|11,r7c7r7c8|18,r3c6r4c5r4c6|7,r0c6r1c6|18,r5c6r5c7r6c7|12,r1c5r2c5r3c5", "solution": "658372419714985326329164785897253164432619857165847293283496571546721938971538642", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1251, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1254, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-20", "puzzle": 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"13,r7c2r8c2|14,r4c3r5c3|4,r1c3r2c3|34,r6c3r6c4r7c3r7c4r7c5r8c3|10,r3c0r4c0|42,r0c0r0c1r1c0r1c1r1c2r2c0r2c1r2c2|8,r8c4r8c5|10,r4c4r5c4|20,r1c4r1c5r2c4|10,r6c5r6c6|5,r3c1r4c1|7,r0c2r0c3|17,r8c6r8c7|12,r4c7r4c8r5c7|17,r1c6r1c7r2c6|19,r5c8r6c7r6c8r7c8r8c8|10,r3c2r4c2|11,r0c4r0c5|20,r5c0r6c0r7c0|10,r3c3r3c4|3,r7c6r7c7|7,r4c5r5c5|8,r0c6r0c7|13,r5c1r6c1r7c1|10,r2c5r3c5|6,r8c0r8c1|15,r3c6r4c6r5c6|16,r0c8r1c8r2c8|13,r5c2r6c2|21,r2c7r3c7r3c8", "solution": "583429176164387952792156348621734589439815627875692431918243765357968214246571893", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1257, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1258, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-21", "puzzle": "15,r8c0r8c1|15,r3c7r4c7|9,r1c7r1c8|22,r5c7r6c6r6c7r7c6r7c7|4,r3c5r3c6|15,r0c2r0c3r0c4|19,r8c4r8c5r8c6|13,r5c2r5c3|27,r1c1r1c2r2c1r2c2r3c1|13,r7c0r7c1|7,r4c1r5c1|16,r0c7r0c8|15,r5c5r6c5|13,r1c3r1c4r2c4|7,r7c2r8c2|17,r3c2r4c2r4c3|22,r0c0r0c1r1c0r2c0|8,r4c8r5c8|20,r2c6r2c7r2c8r3c8|12,r6c3r7c3r8c3|18,r3c4r4c4r5c4|15,r0c5r1c5r2c5|17,r5c0r6c0r6c1r6c2|5,r3c0r4c0|17,r6c8r7c8r8c7r8c8|10,r4c5r4c6r5c6|9,r0c6r1c6|16,r6c4r7c4r7c5|9,r2c3r3c3", "solution": "521864397983712654647359821254673189368591472719428536136987245492135768875246913", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1258, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1259, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-02-21", "puzzle": 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"21,r4c1r5c0r5c1r6c0r6c1r7c1|11,r1c6r2c6|23,r7c3r7c4r7c5r8c4r8c5|36,r3c6r4c2r4c3r4c4r4c5r4c6r5c2|20,r0c3r0c4r1c3r1c4r1c5|10,r6c2r7c2|25,r1c7r2c7r2c8r3c7r3c8r4c7|12,r4c8r5c8|26,r0c5r0c6r0c7r0c8r1c8|9,r6c5r6c6|12,r3c2r3c3|12,r5c3r6c3|7,r0c2r1c2|31,r5c7r6c7r6c8r7c7r7c8r8c7r8c8|11,r2c4r3c4|10,r5c4r6c4|39,r0c0r0c1r1c0r1c1r2c0r2c1r3c1|17,r7c6r8c6|10,r2c5r3c5|13,r5c5r5c6|14,r2c2r2c3|23,r7c0r8c0r8c1r8c2r8c3|13,r3c0r4c0", "solution": "786421395491653728325978461869342157517869243243517689638794512952136874174285936", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1262, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1261, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-22", "puzzle": "17,r5c0r5c1r6c0|14,r0c5r1c5|15,r6c6r6c7r7c6r7c7|21,r2c8r3c8r4c7r4c8|16,r0c0r0c1r0c2r1c0|19,r6c4r7c4r8c4|8,r1c6r1c7|13,r7c0r8c0r8c1|7,r3c2r4c2|20,r0c6r0c7r0c8r1c8|20,r5c7r5c8r6c8|22,r2c2r2c3r2c4r2c5r2c6|7,r8c2r8c3|36,r3c3r3c4r3c5r4c3r4c4r4c5|8,r1c1r1c2|19,r6c1r6c2r7c1r7c2|29,r2c0r3c0r4c0r4c1|10,r8c5r8c6|5,r3c6r4c6|16,r0c3r1c3|9,r6c3r7c3|6,r2c1r3c1|18,r7c8r8c7r8c8|19,r5c2r5c3r5c4r5c5r5c6|8,r0c4r1c4|14,r6c5r7c5|9,r2c7r3c7", "solution": "148736592362958714759124638514892367983467251276513489897645123621379845435281976", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1261, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1263, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-23", "puzzle": "7,r8c1r8c2|4,r4c5r4c6|12,r0c8r1c8|21,r6c0r6c1r7c1|8,r3c5r3c6|3,r0c0r0c1|7,r8c3r8c4|12,r4c8r5c8|17,r1c0r1c1r2c0|14,r6c2r6c3r6c4|10,r3c7r3c8|22,r0c2r0c3r1c2|19,r7c6r8c5r8c6|9,r5c0r5c1|20,r2c4r2c5r2c6|12,r6c8r7c7r7c8|5,r3c0r4c0|9,r0c4r0c5|11,r8c7r8c8|4,r5c2r5c3|7,r1c7r2c7r2c8|8,r7c0r8c0|8,r4c2r4c3|13,r0c6r0c7|7,r5c5r6c5|33,r2c1r2c2r3c1r3c2r4c1|23,r7c2r7c3r7c4r7c5|19,r3c4r4c4r5c4|18,r1c3r1c4r1c5r1c6|31,r4c7r5c6r5c7r6c6r6c7|12,r2c3r3c3", "solution": "219854673635721849874369521158946237496273158723185964947612385382597416561438792", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1263, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1264, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-23", "puzzle": "4,r5c6r6c6|6,r0c2r1c2|12,r6c7r7c7r8c7|27,r3c6r3c7r3c8r4c6r4c7r4c8|11,r0c3r0c4r1c3|19,r5c7r5c8r6c8|12,r1c5r2c5|13,r7c8r8c8|9,r4c3r5c3|18,r0c5r0c6r1c6|17,r6c1r6c2r7c1|9,r1c7r2c6r2c7|19,r6c0r7c0r8c0r8c1|4,r3c5r4c5|24,r0c7r0c8r1c8r2c8|8,r6c3r7c3|19,r2c0r3c0r3c1|12,r7c2r8c2r8c3|26,r4c0r4c1r4c2r5c0r5c1r5c2|11,r0c0r1c0|7,r2c2r3c2|38,r1c4r2c4r3c4r4c4r5c4r6c4r7c4|20,r7c5r8c4r8c5|7,r5c5r6c5|21,r0c1r1c1r2c1|15,r7c6r8c6|17,r2c3r3c3", "solution": "281736459975124863364958217793861542526493781148572396639285174452617938817349625", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1264, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1265, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-02-23", "puzzle": 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"8,r7c2r7c3|13,r3c4r4c4r5c4|8,r1c5r1c6|5,r5c6r6c6|12,r2c3r3c3|23,r0c0r0c1r0c2r0c3|26,r7c4r8c2r8c3r8c4|8,r3c5r4c5|13,r2c0r2c1|11,r5c7r5c8|11,r2c6r3c6|17,r0c7r0c8r1c7|10,r7c5r7c6|15,r4c6r4c7|13,r2c4r2c5|20,r4c0r5c0r6c0r7c0|5,r2c7r3c7|12,r1c0r1c1|17,r7c7r7c8|12,r5c1r6c1|17,r1c8r2c8r3c8r4c8|9,r6c3r6c4|6,r4c1r4c2|11,r1c2r1c3|17,r7c1r8c0r8c1|10,r5c2r6c2|6,r3c0r3c1|12,r6c7r6c8|7,r4c3r5c3|18,r0c4r0c5r0c6r1c4|11,r8c5r8c6r8c7r8c8|15,r5c5r6c5|7,r2c2r3c2", "solution": "359612847482973561761458239516837924924561783837249156293186475175324698648795312", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1266, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1267, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-24", "puzzle": 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"12,r5c3r5c4r6c3|18,r1c4r2c3r2c4|10,r8c6r8c7|12,r3c8r4c8|23,r0c1r0c2r0c3r0c4r1c3|9,r6c7r6c8|16,r3c2r3c3r4c3|24,r5c1r6c1r7c1r7c2r8c1|21,r0c0r1c0r1c1r1c2|18,r6c4r7c4r8c4r8c5|11,r2c6r3c6|11,r4c7r5c7r5c8|26,r0c5r0c6r1c5r2c5|11,r5c5r6c5r7c5|3,r3c0r4c0|27,r5c0r6c0r7c0r8c0|41,r0c7r0c8r1c6r1c7r1c8r2c7r2c8r3c7|34,r5c6r6c6r7c6r7c7r7c8r8c8|10,r4c1r4c2|12,r5c2r6c2|16,r2c0r2c1r2c2r3c1|17,r7c3r8c2r8c3|23,r3c4r3c5r4c4r4c5r4c6", "solution": "497215638638497512512638497185342769264879153379561824723186945856924371941753286", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1268, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1269, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-25", "puzzle": "9,r7c4r8c4|20,r3c4r4c4r5c4|13,r0c4r1c4|10,r5c8r6c8|15,r2c1r3c1|6,r0c5r0c6|10,r7c5r8c5|11,r4c5r5c5|11,r1c5r1c6|13,r6c0r7c0|15,r1c2r2c2r3c2|23,r0c7r0c8r1c7|12,r7c7r8c6r8c7|12,r4c7r4c8|13,r2c3r2c4r2c5r3c5|29,r4c2r5c2r6c1r6c2|3,r3c7r3c8|12,r0c0r1c0|13,r7c8r8c8|10,r5c0r5c1|23,r2c6r2c7r3c6r4c6|13,r5c3r6c3r6c4r6c5|5,r4c0r4c1|6,r0c1r0c2r1c1|14,r7c1r8c0r8c1|15,r5c6r6c6r7c6|8,r1c8r2c8|9,r7c2r7c3|6,r3c3r4c3|14,r0c3r1c3|10,r8c2r8c3|11,r5c7r6c7|11,r2c0r3c0", "solution": "731564289524978361896312457365497812147285693289136574958723146473651928612849735", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1269, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1270, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-25", "puzzle": "9,r8c4r8c5r8c6|7,r5c0r6c0|27,r1c0r2c0r3c0r4c0|17,r5c7r6c6r6c7|22,r2c5r3c5r3c6|20,r0c0r0c1r1c1r1c2|19,r7c6r7c7r8c7r8c8|6,r5c2r5c3r6c3|10,r2c1r2c2r3c1|20,r4c8r5c8r6c8r7c8|4,r2c8r3c8|11,r0c2r0c3r0c4|15,r5c4r6c4|14,r1c3r2c3|18,r7c0r7c1r7c2|16,r4c1r4c2r5c1|24,r0c5r0c6r0c7r0c8|9,r5c5r5c6|8,r2c6r2c7|13,r7c3r7c4|16,r4c3r4c4r4c5|9,r1c4r1c5|12,r6c1r6c2|15,r3c2r3c3|20,r8c0r8c1r8c2r8c3|16,r3c7r4c6r4c7|12,r1c6r1c7r1c8|10,r6c5r7c5|6,r2c4r3c4", "solution": "463712895928536147715948623347825961852169734691374582139287456576493218284651379", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1270, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1271, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-02-25", "puzzle": "20,r5c0r6c0r7c0|32,r0c8r1c8r2c8r3c8r4c7r4c8r5c8|17,r8c0r8c1|9,r2c7r3c7|24,r0c1r0c2r0c3r0c4r0c5|13,r5c2r6c2r7c2|18,r2c2r2c3r3c3|15,r8c2r8c3r8c4|14,r4c0r4c1r5c1|20,r0c0r1c0r1c1r2c0r3c0|3,r6c1r7c1|19,r2c1r3c1r3c2|8,r7c7r8c7r8c8|23,r4c4r4c5r5c4r5c5r6c4|13,r1c2r1c3|9,r7c3r7c4|7,r2c4r3c4|24,r4c2r4c3r5c3r6c3|5,r1c4r1c5|22,r7c5r7c6r8c5r8c6|15,r2c5r3c5|31,r4c6r5c6r5c7r6c5r6c6r6c7|28,r0c6r0c7r1c6r1c7|13,r6c8r7c8|3,r2c6r3c6", "solution": "731659842265814793489237165156748239378925614942361578517492386624183957893576421", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1271, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1272, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-02-26", "puzzle": "13,r7c1r8c1|21,r3c4r4c4r5c3r5c4r5c5|15,r1c6r1c7|15,r5c7r6c7|12,r3c6r3c7r4c7|22,r0c0r0c1r1c0r2c0|20,r8c2r8c3r8c4r8c5r8c6|5,r5c0r6c0|12,r2c1r2c2|13,r5c8r6c8|13,r3c0r4c0|30,r0c2r0c3r0c4r0c5r0c6|8,r7c7r8c7|14,r5c1r6c1|16,r1c3r2c3r3c3|14,r6c3r7c2r7c3|16,r4c2r4c3|19,r0c7r0c8r1c8r2c8|10,r7c8r8c8|7,r5c2r6c2|12,r1c5r2c5r3c5|18,r6c5r7c5r7c6|11,r4c5r4c6|6,r1c1r1c2|8,r6c4r7c4|8,r2c6r2c7|13,r7c0r8c0|7,r3c8r4c8|7,r1c4r2c4|11,r5c6r6c6|9,r3c1r3c2r4c1", "solution": "185796342742351968639824715826547193517963824394182576253419687968275431471638259", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1272, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1273, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-26", "puzzle": 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"11,r5c1r6c1|10,r2c1r2c2|27,r7c0r7c1r7c2r8c0r8c1|9,r2c8r3c8|30,r0c0r0c1r0c2r0c3r0c4r1c0r1c1|4,r5c2r6c2|13,r2c0r3c0r4c0|16,r6c4r6c5r7c3r7c4|13,r3c1r4c1r4c2|13,r0c5r0c6|21,r4c3r5c3r6c3|15,r3c2r3c3|11,r7c5r7c6|17,r3c4r4c4r5c4|8,r1c2r1c3|9,r5c5r5c6|11,r2c5r3c5r4c5|9,r8c2r8c3|24,r4c6r4c7r5c7|26,r1c4r1c5r2c3r2c4|6,r4c8r5c8r6c8|10,r2c6r3c6|36,r7c7r7c8r8c4r8c5r8c6r8c7r8c8|12,r5c0r6c0|26,r0c7r0c8r1c6r1c7r1c8|12,r6c6r6c7|6,r2c7r3c7", "solution": "615239478497158236382764915839672154246815793751493682563927841178346529924581367", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1274, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1275, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-27", "puzzle": "14,r8c4r8c5r8c6|15,r3c7r4c7r4c8|14,r0c8r1c8|24,r5c5r6c5r6c6r6c7|16,r2c8r3c8|10,r0c0r0c1|7,r8c7r8c8|11,r5c0r6c0|17,r2c1r2c2r2c3r3c3|15,r7c0r8c0|11,r4c0r4c1r5c1|19,r0c2r0c3r0c4|12,r5c2r5c3|15,r1c4r2c4r2c5|9,r7c3r8c3|18,r3c2r4c2r4c3|15,r1c0r1c1r2c0|12,r5c7r5c8|24,r0c6r0c7r1c6r1c7r2c6r2c7|17,r7c5r7c6|21,r3c4r4c4r5c4|7,r1c2r1c3|22,r6c1r6c2r7c1r7c2r8c1r8c2|10,r3c0r3c1|9,r6c8r7c7r7c8|6,r4c5r4c6r5c6|12,r0c5r1c5|16,r6c3r6c4r7c4|7,r3c5r3c6", "solution": "738925416194367528526418397287541639469283175315796284871634952652179843943852761", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1275, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1276, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-02-27", "puzzle": "29,r6c1r6c2r7c0r7c1r7c2r8c0r8c1|9,r2c3r3c3|36,r2c0r3c0r4c0r4c1r5c0r6c0|7,r0c2r0c3|39,r6c4r6c5r6c6r7c3r7c4r7c5r7c6r7c7|12,r3c5r3c6|6,r5c1r5c2|30,r0c4r0c5r0c6r0c7r0c8r1c8|11,r8c2r8c3|16,r2c7r2c8r3c7r3c8|10,r5c3r6c3|43,r1c3r1c4r1c5r1c6r1c7r2c4r2c5r2c6|32,r7c8r8c4r8c5r8c6r8c7r8c8|8,r4c2r4c3|11,r5c5r5c6|32,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|21,r3c4r4c4r4c5r4c6r5c4|19,r5c7r5c8r6c7r6c8|17,r3c1r3c2|17,r4c7r4c8", "solution": "765219834329748615814653972498327561273561498651984723942175386536892147187436259", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1276, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1277, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-02-28", "puzzle": "11,r8c3r8c4r8c5|13,r4c1r5c0r5c1r6c0|16,r1c1r2c1|11,r6c5r6c6r6c7|13,r3c0r4c0|15,r0c0r0c1r0c2|14,r8c6r8c7r8c8|5,r4c2r5c2|10,r2c3r2c4r2c5|8,r7c0r7c1r7c2|13,r3c3r4c3|14,r0c3r0c4r0c5|28,r5c3r5c4r5c5r6c4|9,r1c7r2c7|13,r7c3r7c4r7c5|10,r3c4r4c4|16,r0c6r0c7r0c8|10,r4c6r5c6|7,r1c8r2c8|24,r7c6r7c7r7c8|3,r3c5r4c5|32,r1c2r1c3r1c4r1c5r1c6|15,r4c7r5c7r5c8r6c8|23,r2c2r3c1r3c2|20,r8c0r8c1r8c2|10,r3c8r4c8|3,r1c0r2c0|21,r6c1r6c2r6c3|18,r2c6r3c6r3c7", "solution": "834617295275849613196253784789431562653972148412586937368795421521364879947128356", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1277, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1278, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-02-27", "puzzle": 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"15,r6c7r6c8|10,r4c0r4c1|15,r0c3r1c3|6,r7c7r7c8|10,r5c5r5c6|7,r2c4r2c5|10,r0c0r0c1|13,r7c0r8c0|11,r4c2r4c3|4,r1c4r1c5|16,r8c1r8c2|10,r5c7r5c8|23,r2c7r2c8r3c8|15,r0c4r0c5|4,r7c1r7c2|6,r4c5r4c6|12,r1c6r1c7|6,r8c3r8c4|15,r5c0r6c0r6c1|9,r3c0r3c1|3,r0c6r0c7|13,r7c3r7c4|11,r4c7r4c8|7,r0c8r1c8|4,r8c7r8c8|6,r6c3r6c4|7,r3c2r3c3|17,r1c0r1c1|17,r7c5r8c5|9,r5c1r5c2r6c2|4,r2c0r2c1|12,r6c5r6c6|18,r2c6r3c6r3c7|7,r0c2r1c2|11,r7c6r8c6|31,r3c4r3c5r4c4r5c3r5c4|11,r2c2r2c3", "solution": "645987123982631754317425896456192378198374265723856419264513987831769542579248631", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1284, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1285, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-03-02", "puzzle": 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"10,r7c6r8c6|27,r4c2r4c3r5c2r5c3|7,r1c5r1c6|13,r6c1r7c1|13,r3c7r3c8|12,r0c0r0c1|21,r7c7r7c8r8c7r8c8|12,r5c5r5c6|18,r0c8r1c8r2c8|7,r7c0r8c0|18,r2c1r3c0r3c1r4c0r4c1|7,r0c2r0c3|20,r6c2r6c3r7c2r7c3r7c4|35,r1c2r1c3r1c4r2c2r2c3r3c2r3c3|17,r8c1r8c2|15,r4c4r4c5r4c6|15,r0c4r0c5|6,r5c4r6c4|7,r2c4r3c4|9,r8c3r8c4|10,r4c7r4c8r5c8|15,r0c6r0c7r1c7|13,r6c5r6c6|17,r2c6r2c7r3c6|8,r7c5r8c5|15,r5c0r5c1r6c0|17,r1c0r1c1r2c0|12,r5c7r6c7r6c8|9,r2c5r3c5", "solution": "935278641726194358814563279253716894647982513198345726561829437472631985389457162", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1286, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1288, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-03", "puzzle": 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"9,r5c7r6c7|22,r2c2r2c3r3c3|15,r6c1r7c1r7c2|6,r3c8r4c8|15,r0c2r0c3|7,r5c8r6c8|19,r2c0r2c1r3c0r4c0r5c0|30,r7c6r8c3r8c4r8c5r8c6|22,r4c1r4c2r5c1|3,r0c4r0c5|14,r5c2r5c3r6c2r6c3|4,r3c1r3c2|18,r7c7r7c8r8c7r8c8|16,r4c3r4c4r5c4|21,r0c0r0c1r1c0r1c1|11,r6c4r7c3r7c4|14,r2c4r3c4|7,r4c5r4c6|13,r1c2r1c3|14,r6c5r7c5|16,r2c5r3c5r3c6|12,r5c5r5c6r6c6|32,r0c6r0c7r0c8r1c8r2c8|27,r6c0r7c0r8c0r8c1r8c2|38,r1c4r1c5r1c6r1c7r2c6r2c7r3c7r4c7", "solution": "468712935927653148315984267231867594759341682684295371193578426842136759576429813", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1289, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1290, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-03-04", "puzzle": 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"11,r5c3r6c3|17,r1c7r1c8r2c7|14,r7c7r7c8r8c7r8c8|16,r2c8r3c8|8,r0c6r0c7r0c8|21,r4c6r5c6r6c4r6c5r6c6|8,r1c1r1c2r2c1|16,r7c1r7c2r8c1|17,r4c0r4c1r4c2|33,r0c0r0c1r0c2r1c0r2c0|13,r5c7r6c7r6c8|9,r2c2r2c3r3c2|6,r8c2r8c3|12,r3c7r4c7|14,r0c3r1c3|17,r6c0r7c0r8c0|11,r3c0r3c1|15,r8c4r8c5|21,r5c0r5c1r5c2r6c1r6c2|8,r0c4r1c4r2c4|12,r7c3r7c4|41,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|11,r4c8r5c8|34,r0c5r1c5r1c6r2c5r2c6|17,r7c5r7c6r8c6|3,r3c5r3c6", "solution": "378946152921537468654218937563471289197682345482395716716824593849753621235169874", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1293, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1294, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-05", "puzzle": "15,r7c0r8c0|11,r1c6r1c7|17,r8c7r8c8|13,r4c3r4c4r4c5|10,r0c0r0c1|4,r7c1r7c2|3,r0c8r1c8|13,r4c6r4c7r5c7|34,r0c3r0c4r1c3r1c4r2c3r3c2r3c3|11,r6c6r7c6r8c6|21,r2c0r3c0r4c0r5c0r5c1|35,r5c2r5c3r6c0r6c1r6c2|23,r0c5r0c6r0c7r1c5|10,r6c7r7c7r7c8|15,r2c4r2c5r3c4|11,r5c4r6c3r6c4|16,r1c0r1c1r2c1|21,r7c3r8c1r8c2r8c3|31,r2c6r2c7r2c8r3c5r3c6|28,r3c7r3c8r4c8r5c8r6c8|14,r0c2r1c2r2c2|35,r5c5r5c6r6c5r7c4r7c5r8c4r8c5|14,r3c1r4c1r4c2", "solution": "289567341374189562561342879137495286956238714428716953695821437813974625742653198", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1294, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1295, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-03-05", "puzzle": 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"11,r7c2r8c2|29,r3c5r4c3r4c4r4c5r5c3|13,r0c6r1c6|16,r5c6r6c5r6c6|12,r3c3r3c4|10,r0c2r0c3|10,r7c3r7c4|5,r4c6r4c7|12,r0c7r1c7|21,r6c1r6c2r6c3r6c4|12,r3c6r3c7|13,r0c4r0c5|21,r7c5r7c6r7c7r8c7|12,r4c8r5c8|10,r0c8r1c8|15,r5c7r6c7r6c8|8,r2c8r3c8|6,r0c0r1c0|11,r7c8r8c8|9,r5c0r6c0|16,r2c0r2c1r3c1|11,r7c0r8c0|11,r3c0r4c0|20,r0c1r1c1r1c2r1c3|9,r8c3r8c4|9,r5c1r5c2|18,r2c4r2c5r2c6r2c7|14,r7c1r8c1|11,r4c1r4c2|6,r1c4r1c5|3,r8c5r8c6|4,r5c4r5c5|17,r2c2r2c3r3c2", "solution": "123758649596324781874619352217485936938267415645931827351876294462193578789542163", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1296, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1297, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-06", "puzzle": "18,r5c6r5c7r5c8r6c6|14,r2c2r2c3|15,r7c4r8c3r8c4|5,r3c8r4c8|18,r0c0r0c1r0c2r1c0r1c1|12,r7c1r7c2r7c3|5,r1c6r2c6|16,r7c5r7c6r8c5r8c6|18,r5c2r5c3r5c4r6c2|18,r0c6r0c7r0c8|8,r6c7r7c7r8c7|28,r1c7r1c8r2c7r2c8r3c7|21,r4c5r5c5r6c5|37,r0c3r0c4r1c2r1c3r1c4r2c4|24,r6c8r7c8r8c8|32,r3c3r3c4r3c5r3c6r4c3r4c4|9,r5c0r6c0|8,r0c5r1c5r2c5|15,r7c0r8c0|23,r4c1r4c2r5c1r6c1|6,r6c3r6c4|34,r2c0r2c1r3c0r3c1r3c2r4c0|8,r8c1r8c2|13,r4c6r4c7", "solution": "281475396349682175675931482138527964927364851456819723593248617814756239762193548", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1297, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1298, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-03-06", "puzzle": "18,r7c0r7c1r7c2r8c0|13,r2c0r3c0|21,r3c1r4c0r4c1r5c0r5c1|11,r0c0r0c1r0c2r1c0|21,r6c4r7c4r8c4r8c5|16,r2c4r3c3r3c4|20,r5c3r5c4r5c5r6c5r7c5|29,r0c6r0c7r0c8r1c6r1c7r1c8r2c8|20,r7c3r8c1r8c2r8c3|33,r2c1r2c2r3c2r4c2r5c2r6c2r6c3|11,r5c6r5c7|16,r1c1r1c2|17,r7c6r8c6|13,r4c3r4c4|13,r6c0r6c1|44,r0c3r0c4r0c5r1c3r1c4r1c5r2c3r2c5|11,r7c7r8c7r8c8|12,r3c5r4c5r4c6|7,r6c6r6c7|20,r2c6r2c7r3c6|39,r3c7r3c8r4c7r4c8r5c8r6c8r7c8", "solution": "253798641197426385846513792518967423632854179479231568761389254924175836385642917", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1298, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1300, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-07", "puzzle": "19,r4c5r5c5r5c6|17,r0c8r1c8|11,r6c6r7c6|8,r2c8r3c8|12,r0c1r0c2|18,r4c8r5c7r5c8|10,r2c2r2c3r3c3|18,r6c7r6c8r7c7r7c8|17,r3c4r4c2r4c3r4c4|10,r0c6r0c7|11,r6c0r6c1|15,r2c4r2c5|14,r7c0r8c0r8c1|5,r3c7r4c7|40,r0c0r1c0r1c1r1c2r2c1r3c1r3c2|21,r6c2r6c3r7c3|17,r1c5r1c6r1c7r2c6r2c7|13,r8c3r8c4r8c5|4,r5c1r5c2|3,r0c3r1c3|12,r7c1r7c2r8c2|28,r2c0r3c0r4c0r4c1r5c0|16,r8c6r8c7r8c8|23,r5c3r5c4r6c4r6c5|20,r0c4r0c5r1c4|7,r7c4r7c5|16,r3c5r3c6r4c6", "solution": "193257468567184329842369175789512643254936817631478592478693251316725984925841736", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1300, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1299, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-03-07", "puzzle": "14,r6c8r7c7r7c8r8c8|13,r4c7r4c8|20,r0c8r1c7r1c8r2c8|12,r6c2r7c2|8,r3c5r3c6|14,r0c1r0c2r1c1|14,r7c1r8c1r8c2|11,r5c1r5c2|15,r1c2r2c2|7,r6c5r7c5|18,r2c7r3c7r3c8|10,r0c3r0c4r0c5|19,r8c3r8c4r8c5|15,r3c3r4c3r4c4r5c3|8,r1c5r2c5|13,r6c6r7c6|17,r3c0r4c0r5c0|11,r0c6r0c7|9,r8c6r8c7|13,r5c4r6c4|10,r1c6r2c6|19,r6c0r6c1r7c0r8c0|6,r4c1r4c2|16,r0c0r1c0r2c0r2c1|9,r5c5r5c6|11,r3c1r3c2|12,r6c3r7c3r7c4|10,r4c5r4c6|24,r1c3r1c4r2c3|20,r5c7r5c8r6c7|7,r2c4r3c4", "solution": "837451926249786315156932748683247159415398267792165483328674591964513872571829634", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1299, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1301, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-03-07", "puzzle": "8,r5c8r6c8|11,r2c5r3c5|13,r7c0r8c0r8c1|5,r4c0r5c0|33,r0c0r0c1r0c2r1c0r1c1r1c2|15,r6c0r6c1r7c1|14,r1c6r2c6r3c6r4c6|13,r8c2r8c3|17,r4c3r4c4r4c5|7,r0c5r0c6|18,r4c2r5c2r6c2r7c2|22,r1c7r2c7r2c8|28,r7c6r7c7r7c8r8c6r8c7r8c8|14,r3c8r4c8|15,r0c7r0c8r1c8|10,r5c3r6c3|12,r2c0r3c0|11,r4c1r5c1|16,r0c3r1c3r2c3r2c4|14,r7c3r7c4r8c4|31,r2c1r2c2r3c1r3c2r3c3r3c4|36,r5c4r5c5r5c6r5c7r6c6r6c7|15,r0c4r1c4r1c5|17,r6c4r6c5r7c5r8c5|10,r3c7r4c7", "solution": "279546138861392574534178296786913425125467389493285761652834917948721653317659842", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1301, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1302, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-03-08", "puzzle": "9,r8c0r8c1|5,r4c7r4c8|15,r1c2r1c3r1c4|18,r5c0r5c1r6c1r7c1|4,r3c1r3c2|17,r0c0r0c1r0c2|14,r7c2r8c2r8c3|13,r5c2r5c3|13,r2c1r2c2|15,r6c2r6c3r6c4r7c3|13,r3c5r3c6|14,r0c3r0c4|17,r8c4r8c5|33,r2c3r3c3r3c4r4c4r5c4r5c5r6c5|20,r1c5r2c4r2c5r2c6|11,r6c6r6c7|11,r4c0r4c1|16,r0c5r0c6r1c6|14,r8c6r8c7r8c8|8,r5c6r5c7|21,r1c7r2c7r3c7r3c8|9,r7c4r7c5r7c6|11,r4c2r4c3|7,r0c7r0c8|12,r5c8r6c8|7,r1c8r2c8|15,r7c7r7c8|16,r4c5r4c6|8,r1c0r1c1|14,r6c0r7c0|5,r2c0r3c0", "solution": "782953416356814972194762835413587629568329741927641358835176294649235187271498563", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1302, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1303, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-08", "puzzle": "12,r6c2r7c2|21,r1c2r1c3r1c4r2c2|12,r7c8r8c8|18,r4c2r4c3r5c2|13,r0c1r0c2|14,r6c3r7c3|5,r2c3r2c4|12,r8c3r8c4r8c5|23,r3c4r3c5r4c4r5c3r5c4|15,r0c3r0c4r0c5|10,r6c4r6c5|15,r1c5r2c5|17,r8c6r8c7|15,r3c6r4c5r4c6|6,r0c0r1c0|12,r6c6r7c4r7c5r7c6|16,r1c6r2c6|36,r4c0r4c1r5c0r5c1r6c0r6c1|19,r0c6r0c7r0c8r1c7r1c8|13,r6c7r6c8r7c7|15,r3c0r3c1r3c2r3c3|20,r5c5r5c6r5c7r5c8|15,r1c1r2c0r2c1|20,r7c0r7c1r8c0r8c1r8c2|31,r2c7r2c8r3c7r3c8r4c7r4c8", "solution": "476159328293648751518237964624371589759826413831495672947582136185963247362714895", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1303, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1304, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-03-08", "puzzle": 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"21,r5c0r6c0r7c0r8c0|21,r2c4r2c5r2c6r3c5|12,r8c3r8c4|15,r3c6r4c5r4c6|7,r0c2r0c3|7,r5c4r6c3r6c4|19,r1c7r1c8r2c7r2c8|12,r8c5r8c6|17,r3c7r4c7r5c7r6c7|23,r0c5r0c6r0c7r0c8|7,r5c8r6c8|12,r2c0r3c0|10,r3c8r4c8|33,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|16,r7c1r7c2r8c1r8c2|6,r3c1r3c2|27,r4c2r5c2r5c3r6c2|21,r0c4r1c4r1c5r1c6|12,r7c3r7c4r7c5r7c6|25,r3c3r3c4r4c3r4c4|29,r5c5r5c6r6c5r6c6|6,r1c3r2c3|27,r7c7r7c8r8c7r8c8|20,r4c0r4c1r5c1r6c1", "solution": "153496782486172395972583614315864927768925143249317856837249561594631278621758439", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1310, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1311, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-03-11", "puzzle": "27,r7c7r7c8r8c7r8c8|5,r5c2r5c3|24,r0c8r1c8r2c8|7,r6c1r7c1|7,r3c7r3c8|26,r0c3r0c4r1c3r1c4|23,r4c4r4c5r5c4r5c5|29,r0c2r1c1r1c2r2c0r2c1|16,r8c0r8c1r8c2|26,r3c0r3c1r4c0r4c1|9,r0c6r0c7|18,r6c2r6c3r7c2|11,r2c5r3c5|8,r7c3r8c3|6,r4c2r4c3|13,r0c0r0c1r1c0|30,r4c6r5c6r6c4r6c5r6c6|24,r2c2r2c3r3c2r3c3|17,r7c4r7c5r7c6r8c4|17,r4c7r4c8r5c7r6c7|4,r0c5r1c5|6,r5c8r6c8|7,r2c4r3c4|12,r8c5r8c6|6,r5c0r5c1|3,r1c6r1c7|13,r6c0r7c0|11,r2c6r2c7r3c6", "solution": "275481639486593127913627548397854261864219753152376984748965312631742895529138476", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1311, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1312, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-11", "puzzle": 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"18,r7c8r8c7r8c8|6,r5c1r5c2|8,r1c1r2c1|18,r7c6r7c7r8c6|18,r3c0r4c0r5c0|21,r0c0r0c1r1c0r2c0|16,r5c6r5c7|30,r2c3r2c4r2c5r3c3r3c5r4c5r5c5|7,r7c0r8c0|15,r3c1r4c1|8,r0c7r0c8|15,r6c0r6c1r7c1|14,r1c7r1c8r2c7|13,r8c1r8c2|15,r4c3r5c3r6c3|14,r0c2r1c2|25,r6c4r6c5r7c5r8c5|8,r2c2r3c2r4c2|11,r7c3r8c3|22,r3c4r4c4r5c4|24,r0c3r0c4r0c5r0c6r1c3|8,r6c6r6c7|15,r2c6r3c6r4c6|3,r7c4r8c4|12,r3c7r4c7|14,r1c4r1c5r1c6|10,r6c2r7c2|17,r2c8r3c8r4c8r5c8r6c8", "solution": "536982417478136529912754836391278645765493182824561973287649351653817294149325768", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1314, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1319, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-03-13", "puzzle": 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"23,r4c3r5c3r6c2r6c3|19,r0c8r1c8r2c8r3c8|13,r6c6r6c7r7c6|15,r2c7r3c7|9,r0c0r0c1|11,r4c4r5c4|10,r1c0r2c0|26,r7c1r7c2r8c0r8c1r8c2|10,r3c2r4c2|3,r0c2r0c3|24,r5c5r5c6r6c4r6c5|21,r2c1r2c2r3c0r3c1|24,r7c3r7c4r8c3r8c4|11,r3c6r4c6|11,r0c6r0c7|10,r4c7r5c7|13,r1c6r1c7r2c6|11,r7c5r8c5r8c6|15,r4c0r4c1r5c0|26,r1c1r1c2r1c3r2c3|17,r4c8r5c8r6c8r7c8|9,r3c3r3c4|15,r7c7r8c7r8c8|17,r5c1r5c2r6c1|29,r0c4r0c5r1c4r1c5r2c4r2c5|5,r6c0r7c0|8,r3c5r4c5", "solution": "361259478875614932294837165627183594913425687548796321159378246482961753736542819", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1315, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1316, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-03-12", "puzzle": "16,r5c5r5c6r6c6|14,r2c3r2c4r3c4|19,r6c7r7c5r7c6r7c7|7,r4c1r5c1|16,r0c4r0c5r1c4r1c5|17,r4c8r5c7r5c8|10,r2c6r2c7|10,r8c0r8c1r8c2|9,r4c3r4c4r4c5|11,r0c6r0c7r0c8|17,r6c1r6c2|16,r3c0r3c1r4c0|21,r7c3r7c4r8c3r8c4|7,r3c7r4c7|22,r1c1r1c2r1c3r2c1|15,r5c4r6c4r6c5|17,r2c2r3c2r3c3|5,r5c0r6c0|21,r1c6r1c7r1c8|35,r6c8r7c8r8c5r8c6r8c7r8c8|18,r2c5r3c5r3c6r4c6|20,r4c2r5c2r5c3r6c3|34,r0c0r0c1r0c2r0c3r1c0r2c0|17,r7c0r7c1r7c2|11,r2c8r3c8", "solution": "872935461341826957596174283917462538628351749453789126189243675764598312235617894", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1316, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1322, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-03-14", "puzzle": "4,r5c3r6c3|22,r2c4r2c5r2c6r3c4r3c5|12,r7c5r7c6|16,r4c2r4c3|44,r0c0r0c1r0c2r0c3r0c4r1c1r1c2r2c1|11,r5c7r6c7|17,r2c2r3c1r3c2|42,r6c1r7c1r7c2r8c0r8c1r8c2r8c3r8c4|7,r4c4r4c5|28,r0c5r0c6r0c7r0c8r1c7r1c8|12,r5c8r6c8|8,r2c3r3c3|29,r7c7r7c8r8c5r8c6r8c7r8c8|13,r3c6r4c6r5c6|12,r1c3r1c4|7,r6c0r7c0|15,r2c7r3c7|12,r4c7r4c8|12,r1c5r1c6|28,r5c4r5c5r6c4r6c5r6c6|6,r2c8r3c8|12,r5c1r5c2r6c2|10,r1c0r2c0|12,r7c3r7c4|14,r3c0r4c0r4c1r5c0", "solution": "854967231123845796976231584538694172619752348247183965481329657362578419795416823", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1322, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1321, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-03-14", "puzzle": "7,r8c7r8c8|6,r5c4r5c5r6c4|10,r1c7r1c8|11,r6c3r7c3|16,r3c6r3c7r4c6r5c6|26,r0c0r0c1r0c2r1c0r1c2r2c2|18,r6c5r6c6r7c6|18,r1c1r2c1r3c1|11,r7c4r7c5|17,r3c2r4c1r4c2|10,r0c3r0c4|8,r5c7r6c7|9,r2c5r2c6|9,r7c7r7c8|16,r3c8r4c7r4c8|8,r0c6r0c7r0c8|14,r5c8r6c8|12,r2c7r2c8|10,r8c1r8c2|15,r5c0r5c1r5c2|20,r1c3r1c4r2c3r2c4|22,r6c0r6c1r7c0r7c1r8c0|14,r2c0r3c0r4c0|23,r8c3r8c4r8c5r8c6|17,r4c3r5c3|21,r0c5r1c5r1c6|13,r6c2r7c2|24,r3c3r3c4r3c5r4c4r4c5", "solution": "783469251291385764465271839936742185147856392852913476379624518614538927528197643", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1321, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1326, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-03-16", "puzzle": "10,r7c6r7c7r8c7|12,r4c1r5c1|22,r0c4r1c4r2c4r3c4|19,r6c0r7c0r8c0|15,r2c3r3c3|7,r0c0r0c1|18,r4c2r5c2r5c3|10,r1c7r1c8|25,r6c3r6c4r6c5r7c3r7c4r7c5|14,r2c5r3c5|11,r0c2r0c3r1c3|14,r4c6r5c5r5c6|6,r1c2r2c2r3c2|19,r6c8r7c8r8c8|10,r2c7r3c7|10,r0c5r0c6r1c5|8,r4c7r5c7|17,r1c6r2c6r3c6|13,r7c1r7c2r8c1|15,r2c8r3c8r4c8r5c8|17,r0c7r0c8|6,r6c1r6c2|17,r2c0r3c0r4c0r5c0|32,r8c2r8c3r8c4r8c5r8c6|22,r4c3r4c4r4c5r5c4|12,r1c0r1c1|11,r6c6r6c7|13,r2c1r3c1", "solution": "526374198481295673793816245342758961178639452659142837915427386834561729267983514", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1326, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1324, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-15", "puzzle": "17,r4c8r5c7r5c8|4,r2c0r2c1|3,r7c8r8c8|15,r2c8r3c7r3c8|11,r0c2r0c3|32,r6c1r6c2r7c0r7c1r7c2r8c0r8c1|12,r1c3r2c3|22,r8c2r8c3r8c4|13,r4c3r4c4r4c5|9,r0c4r0c5r0c6|5,r6c5r7c5|35,r0c7r0c8r1c6r1c7r1c8r2c6r2c7|7,r8c5r8c6|16,r5c0r5c1r6c0|12,r0c0r1c0|10,r6c7r6c8|10,r3c0r3c1r4c0|20,r5c2r5c3r5c4r5c5r6c4|23,r0c1r1c1r1c2|18,r6c3r7c3r7c4|26,r2c2r3c2r4c1r4c2|25,r4c6r4c7r5c6r6c6|18,r1c4r1c5r2c5|19,r7c6r7c7r8c7|23,r2c4r3c3r3c4r3c5r3c6", "solution": "594712638768439215312856794457368129189247356623195847846521973931674582275983461", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1324, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1325, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-03-15", "puzzle": "6,r5c5r6c5|34,r1c7r1c8r2c7r2c8r3c7|4,r4c3r5c3|3,r0c5r0c6|17,r7c1r7c2r7c3|14,r3c2r3c3r4c2|30,r5c6r5c7r5c8r6c6r6c7|9,r0c7r0c8|23,r7c5r7c6r7c7r8c6r8c7|4,r2c6r3c6|27,r4c0r5c0r5c1r6c0r6c1|34,r0c0r0c1r0c2r0c3r0c4r1c0|10,r6c8r7c8r8c8|26,r1c1r2c0r2c1r3c0r3c1r4c1|11,r5c2r6c2|20,r1c2r1c3r2c2|10,r7c0r8c0|21,r3c4r4c4r5c4|33,r6c3r6c4r7c4r8c3r8c4r8c5|27,r1c4r1c5r1c6r2c3r2c4r2c5|7,r8c1r8c2|35,r3c5r3c8r4c5r4c6r4c7r4c8", "solution": "847951236129836547653247189912475368538169724476382951295614873784593612361728495", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1325, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1323, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-03-15", "puzzle": "17,r7c3r7c4r7c5r8c5|10,r3c4r4c4r5c4|16,r0c3r1c3r1c4r1c5|19,r4c7r5c7r5c8|15,r2c2r3c2r3c3|11,r0c4r0c5|11,r7c6r8c6|17,r3c5r4c5r4c6|11,r1c6r1c7|18,r6c3r6c4r6c5|10,r2c6r3c6|9,r0c6r0c7|17,r7c7r8c7|13,r3c8r4c8|14,r0c8r1c8r2c8|6,r6c7r6c8|10,r2c7r3c7|7,r0c0r1c0|5,r7c8r8c8|12,r5c1r6c1|6,r2c0r2c1|22,r6c0r7c0r8c0|10,r4c0r5c0|13,r0c1r1c1|3,r8c1r8c2|6,r5c2r6c2|18,r2c3r2c4r2c5|13,r7c1r7c2|24,r4c2r4c3r5c3|10,r0c2r1c2|10,r8c3r8c4|11,r5c5r5c6r6c6|11,r3c0r3c1r4c1", "solution": "187392546653481927249567831465138279718926354392754168834279615576813492921645783", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1323, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1327, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-16", "puzzle": "11,r5c2r5c3|11,r1c6r1c7|21,r7c4r7c5r8c4r8c5|10,r4c0r4c1|8,r0c0r0c1|18,r5c7r6c6r6c7|30,r0c8r1c8r2c7r2c8r3c7r3c8|3,r7c6r8c6|14,r3c2r3c3r4c2|13,r0c6r0c7|21,r6c2r6c3r7c3r8c3|11,r2c3r2c4r3c4|19,r5c8r6c8r7c7r7c8|13,r4c3r4c4r4c5|26,r1c0r1c1r2c0r3c0|12,r5c4r6c4r6c5|25,r0c5r1c5r2c5r2c6|10,r8c1r8c2|20,r4c6r5c5r5c6|5,r0c2r1c2|31,r5c0r5c1r6c0r6c1r7c0r8c0|15,r2c1r2c2r3c1|8,r8c7r8c8|10,r4c7r4c8|18,r0c3r0c4r1c3r1c4|11,r7c1r7c2|11,r3c5r3c6", "solution": "173265498982734651564819723451628379827193564396547812245371986638952147719486235", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1327, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1328, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-03-16", "puzzle": "13,r5c7r5c8|11,r0c8r1c8|10,r7c7r7c8|24,r3c0r3c1r4c1r4c2r4c3|21,r0c0r0c1r1c0|22,r5c2r5c3r6c3r6c4|22,r1c1r2c0r2c1r2c2r2c3|23,r8c0r8c1r8c2|9,r3c4r4c4|11,r0c2r0c3r0c4|35,r5c6r6c5r6c6r6c7r6c8r7c6|10,r3c2r3c3|13,r8c6r8c7r8c8|20,r3c6r4c5r4c6|7,r1c2r1c3|8,r6c0r7c0|13,r2c5r2c6r3c5|21,r4c0r5c0r5c1r6c1r7c1|34,r0c5r0c6r1c4r1c5r1c6r2c4|9,r6c2r7c2r7c3|22,r2c7r3c7r4c7r4c8|11,r5c4r5c5|11,r0c7r1c7|21,r7c4r7c5r8c3r8c4r8c5|4,r2c8r3c8", "solution": "758213946923468175416975283287346591694157832135892467341729658572684319869531724", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1328, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1330, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-17", "puzzle": "10,r5c0r6c0r6c1|4,r1c5r2c5|15,r7c0r8c0|12,r4c1r4c2r5c1|18,r0c0r0c1r1c1|13,r6c5r6c6|17,r1c7r2c6r2c7|9,r8c1r8c2|8,r4c4r4c5|24,r0c2r0c3r1c2r1c3|11,r5c8r6c8|26,r1c8r2c8r3c7r3c8r4c8|7,r8c3r8c4|26,r4c3r5c2r5c3r5c4r5c5r6c3|23,r0c4r0c5r0c6r0c7r0c8r1c6|13,r6c2r7c1r7c2|7,r2c1r3c1|15,r7c5r8c5|15,r4c6r5c6|23,r1c0r2c0r3c0r4c0|16,r6c4r7c3r7c4|13,r3c3r3c4|8,r7c6r8c6|26,r4c7r5c7r6c7r7c7r8c7|31,r1c4r2c2r2c3r2c4r3c2|8,r7c8r8c8|7,r3c5r3c6", "solution": "497682531352971486816543279769854312531726948284319657173295864628437195945168723", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1330, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1329, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-03-17", "puzzle": 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"10,r6c4r7c4|35,r0c8r1c7r1c8r2c7r2c8r3c8r4c8|25,r4c0r4c1r4c2r5c0r5c1|44,r0c0r0c1r0c2r0c3r0c4r1c2r1c3r1c4|44,r6c6r6c7r6c8r7c7r7c8r8c6r8c7r8c8|13,r2c0r3c0|26,r5c2r6c1r6c2r7c1r7c2|16,r0c5r0c6r0c7|27,r7c3r8c1r8c2r8c3r8c4|18,r2c1r2c2r3c1r3c2|19,r5c3r5c4r6c3|3,r1c0r1c1|9,r7c5r7c6r8c5|11,r3c5r3c6r4c5|5,r5c5r6c5|21,r1c5r1c6r2c5r2c6|12,r3c4r4c3r4c4|15,r6c0r7c0r8c0|13,r2c3r2c4r3c3|39,r3c7r4c6r4c7r5c6r5c7r5c8", "solution": "578429613219368475463157298981746352746532981352981746695214837837695124124873569", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1331, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1332, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-03-18", "puzzle": "11,r6c7r7c7|14,r4c2r4c3r4c4|16,r1c0r1c1r2c0r3c0|29,r5c0r6c0r7c0r7c1|16,r3c1r3c2|13,r0c0r0c1|10,r7c4r8c4|16,r3c5r4c5r5c5|6,r2c1r2c2|5,r6c1r6c2|7,r3c3r3c4|18,r0c2r0c3r1c2|15,r7c8r8c8|13,r4c7r4c8|15,r1c3r2c3|5,r6c3r7c3|26,r3c6r3c7r4c6r5c6r5c7|13,r0c5r0c6r0c7|8,r8c0r8c1|7,r5c1r5c2|16,r1c5r2c4r2c5|18,r6c4r6c5r7c5|7,r2c8r3c8|7,r0c4r1c4|16,r7c2r8c2r8c3|10,r5c3r5c4|13,r1c6r2c6|11,r6c6r7c6|8,r4c0r4c1|10,r0c8r1c8|12,r8c5r8c6r8c7|7,r5c8r6c8|7,r1c7r2c7", "solution": "679453821385621749124978635497165382532849176816732594741286953958314267263597418", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1332, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1333, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-18", "puzzle": "13,r6c2r6c3r7c2|9,r1c3r2c3|17,r8c3r8c4|27,r4c0r4c1r5c0r6c0|23,r0c0r0c1r1c0r1c1|8,r5c6r6c6|25,r1c5r1c6r2c5r2c6r3c5|13,r7c6r8c6r8c7|27,r4c2r4c3r4c4r5c2r5c3r5c4|19,r0c2r0c3r1c2|26,r6c7r6c8r7c7r7c8r8c8|20,r2c7r2c8r3c7|27,r4c5r5c5r6c4r6c5r7c5r8c5|31,r0c4r0c5r0c6r0c7r0c8r1c4r2c4|12,r7c3r7c4|7,r2c0r3c0|22,r3c8r4c8r5c7r5c8|8,r1c7r1c8|9,r7c0r8c0|19,r3c1r3c2r3c3r3c4|4,r5c1r6c1|10,r2c1r2c2|15,r7c1r8c1r8c2|14,r3c6r4c6r4c7", "solution": "246879531895341726173625849659234178382167495714598263938412657461753982527986314", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1333, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1334, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-03-18", "puzzle": 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"15,r6c3r6c4|25,r1c2r2c2r2c3r3c2r3c3|11,r7c8r8c8|18,r3c7r3c8r4c7r4c8|15,r0c1r0c2|16,r5c7r6c7r7c7|11,r1c4r2c4|16,r8c0r8c1|22,r4c1r4c2r5c1r5c2r6c1r7c1|19,r0c4r0c5r0c6r1c6|12,r5c8r6c8|10,r1c5r2c5|16,r6c2r7c2r8c2|21,r3c4r3c5r4c4r4c5r5c4|25,r0c0r1c0r1c1r2c0r2c1|8,r6c0r7c0|4,r2c7r2c8|13,r4c0r5c0|11,r0c3r1c3|29,r7c3r7c4r8c3r8c4r8c5r8c6r8c7|9,r3c0r3c1|7,r4c3r5c3|21,r0c7r0c8r1c7r1c8|32,r5c5r5c6r6c5r6c6r7c5r7c6|19,r2c6r3c6r4c6", "solution": "369817524521394678874526931186975243937142856452638197213789465648253719795461382", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1336, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1337, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-03-19", "puzzle": 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"17,r6c1r6c2|24,r1c4r1c5r2c4r2c5|16,r7c3r8c3|33,r3c5r4c5r5c5r6c5r7c5r8c5|6,r0c0r0c1|17,r5c4r6c4r7c4r8c4|17,r1c6r2c6r2c7r3c7|9,r7c7r8c7|9,r3c6r4c6|41,r0c3r0c4r0c5r0c6r0c7r0c8r1c3r1c7|20,r5c6r6c6r7c6r8c6|17,r2c0r3c0r4c0|12,r4c7r4c8|15,r1c0r1c1|11,r5c7r6c7|8,r2c1r3c1|15,r5c2r5c3r6c3|4,r0c2r1c2|18,r5c8r6c8r7c8r8c8|33,r2c2r2c3r3c2r4c1r4c2r4c3r5c1|19,r5c0r6c0r7c0r8c0r8c1|13,r1c8r2c8r3c8|15,r7c1r7c2r8c2|16,r3c3r3c4r4c4", "solution": "243571986961248537875693214417856392592137648638429751789312465356784129124965873", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1339, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1340, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-03-20", "puzzle": "15,r6c6r6c7r7c6r7c7|17,r2c0r3c0|29,r5c3r5c4r6c2r6c3r6c4r7c2|30,r0c0r0c1r0c2r0c3r0c4r1c0|29,r8c0r8c1r8c2r8c3|18,r3c1r3c2r3c3|16,r5c5r5c6r5c7|18,r0c5r0c6r0c7r0c8|25,r7c8r8c4r8c5r8c6r8c7r8c8|38,r1c6r2c4r2c5r2c6r3c4r3c5|13,r5c8r6c8|21,r1c1r1c2r2c1r2c2|22,r4c0r4c1r4c2r5c1r5c2|24,r5c0r6c0r6c1r7c0r7c1|12,r1c3r1c4r1c5r2c3|13,r4c3r4c4r4c5|21,r6c5r7c3r7c4r7c5|20,r1c7r1c8r2c7r2c8r3c8|24,r3c6r3c7r4c6r4c7r4c8", "solution": "742689153319245867865137942973856421158724396426391785694573218231468579587912634", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1340, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1341, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-03-21", "puzzle": "17,r7c7r7c8|13,r4c6r4c7|6,r0c5r1c5|25,r5c4r5c5r6c5r7c5|10,r1c8r2c8r3c8r4c8|8,r0c0r0c1|13,r8c0r8c1|8,r5c1r5c2|13,r0c6r1c6|8,r6c7r6c8|14,r3c0r3c1r3c2|24,r0c2r0c3r1c2r2c2|20,r6c6r7c6r8c5r8c6|15,r5c6r5c7r5c8|12,r2c0r2c1|10,r7c2r8c2|13,r3c6r3c7|16,r0c7r0c8|6,r8c7r8c8|19,r4c0r5c0r6c0r7c0|23,r1c3r2c3r3c3r3c4|9,r7c3r8c3|11,r4c1r4c2|4,r1c0r1c1|10,r6c1r7c1|9,r2c5r2c6|10,r6c4r7c4r8c4|21,r3c5r4c3r4c4r4c5r5c3|20,r0c4r1c4r2c4|9,r6c2r6c3|9,r1c7r2c7", "solution": "268341597319275864754698132536782941892514673471963258185439726623157489947826315", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1341, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1343, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-03-21", "puzzle": "11,r7c3r8c3|10,r0c8r1c8|36,r4c1r5c0r5c1r5c2r6c0r6c1r7c1|18,r0c6r0c7r1c6r2c6|31,r6c3r6c4r6c5r7c4r7c5r8c4|14,r1c2r2c1r2c2|9,r4c3r5c3|27,r0c0r1c0r2c0r3c0r4c0|18,r7c7r8c5r8c6r8c7|16,r3c1r3c2r3c3r4c2|10,r4c6r5c5r5c6r5c7|15,r0c1r0c2r0c3r1c1|28,r4c8r5c8r6c8r7c8r8c8|7,r3c5r4c5|16,r6c6r6c7r7c6|26,r0c4r1c3r1c4r2c3r2c4r2c5|26,r6c2r7c2r8c1r8c2|42,r1c7r2c7r2c8r3c6r3c7r3c8r4c7|7,r7c0r8c0|14,r0c5r1c5|24,r3c4r4c4r5c4", "solution": "936548712712936458584217693273195864465382179891674235357821946648759321129463587", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1343, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1344, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-03-22", "puzzle": 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"15,r5c3r6c3|13,r2c3r2c4r3c4|12,r8c2r8c3|20,r3c5r4c3r4c4r4c5|8,r0c5r0c6r0c7|20,r5c4r5c5r6c4r6c5|10,r1c7r2c7r2c8|8,r7c4r8c4|8,r3c8r4c7r4c8|9,r0c2r1c2|9,r6c6r6c7|20,r0c0r1c0r2c0r3c0|15,r7c5r7c6r8c5r8c6|25,r4c0r5c0r6c0r7c0r8c0|21,r0c3r0c4r1c3r1c4|21,r5c8r6c8r7c8r8c8|30,r0c1r1c1r2c1r2c2r3c1r3c2r3c3|9,r7c7r8c7|11,r5c6r5c7|27,r1c5r1c6r2c5r2c6|19,r6c1r7c1r8c1|20,r3c6r3c7r4c6|7,r5c2r6c2|15,r0c8r1c8|13,r7c2r7c3|20,r4c1r4c2r5c1", "solution": "598263147721495638634187952216549783879326514345718296152874369987631425463952871", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1342, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1345, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-22", "puzzle": "37,r6c7r6c8r7c7r7c8r8c7r8c8|15,r1c4r2c4|13,r5c0r5c1r6c0|9,r0c2r0c3r0c4|13,r6c1r7c0r7c1|19,r1c6r2c6r3c6|23,r4c3r5c2r5c3r5c4r5c5|32,r0c0r0c1r1c0r1c1r2c0|12,r7c3r7c4|16,r2c3r3c3|10,r4c8r5c8|3,r1c2r1c3|30,r6c2r7c2r8c0r8c1r8c2|3,r2c8r3c8|11,r6c3r6c4|35,r0c5r0c6r0c7r0c8r1c5r1c7r1c8|10,r8c3r8c4|22,r3c0r3c1r4c0r4c1r4c2|44,r2c7r3c7r4c6r4c7r5c6r5c7r6c5r6c6|13,r2c1r2c2r3c2|10,r7c5r7c6r8c5r8c6|25,r2c5r3c4r3c5r4c4r4c5", "solution": "852436719791285634346971852483729561127658943569314287214567398935842176678193425", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1345, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1347, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-03-23", "puzzle": "19,r7c2r7c3r8c2r8c3|29,r3c5r4c3r4c4r4c5r5c3|21,r0c5r0c6r1c5r1c6|6,r5c8r6c8|15,r3c1r3c2|16,r0c1r0c2|9,r7c4r8c4|4,r4c6r4c7|15,r1c1r1c2r2c1r2c2|13,r6c0r7c0|4,r2c3r3c3|6,r0c7r0c8|17,r7c5r8c5|17,r4c0r5c0r5c1r5c2|12,r2c5r2c6|7,r6c1r7c1|8,r2c4r3c4|9,r0c0r1c0|4,r7c8r8c8|9,r5c4r6c4|6,r1c7r2c7|10,r6c2r6c3|27,r3c6r3c7r3c8r4c8|13,r0c3r1c3|10,r8c0r8c1|8,r5c5r6c5|14,r1c8r2c8|27,r6c6r6c7r7c6r7c7|11,r4c1r4c2|10,r0c4r1c4|12,r8c6r8c7|10,r5c6r5c7|7,r2c0r3c0", "solution": "879426315132985746546173928287314659465892137391657284653741892728539461914268573", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1347, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1346, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-03-22", "puzzle": "10,r5c6r5c7|9,r1c7r2c7|8,r7c5r8c5|9,r3c3r4c3|35,r0c0r0c1r0c2r1c0r1c1r1c2|21,r4c8r5c8r6c8|13,r1c8r2c8r3c8|37,r7c4r8c0r8c1r8c2r8c3r8c4|6,r4c5r5c5|29,r0c4r0c5r0c6r0c7r0c8r1c4|14,r5c0r6c0r7c0|12,r2c0r3c0r4c0|24,r7c6r7c7r7c8r8c6r8c7r8c8|15,r3c7r4c6r4c7|8,r0c3r1c3|5,r6c1r7c1|11,r3c1r3c2|19,r5c2r5c3r6c2r6c3|11,r1c5r1c6|15,r6c5r6c6r6c7|24,r2c5r2c6r3c5r3c6|33,r2c4r3c4r4c4r5c4r6c4|11,r2c1r2c2r2c3|14,r7c2r7c3|12,r4c1r4c2r5c1", "solution": "854316927279548316163279485438195672791862534526734198612483759345927861987651243", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1346, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1348, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-23", "puzzle": "4,r7c0r7c1|18,r2c2r2c3r3c2|11,r7c6r8c6|25,r5c1r5c2r6c0r6c1|10,r0c1r0c2r1c2|11,r7c7r7c8|14,r2c5r2c6r3c6|10,r8c7r8c8|15,r5c3r6c2r6c3|11,r0c3r0c4r0c5|15,r8c0r8c1|31,r0c8r1c7r1c8r2c7r2c8r3c7r3c8|17,r6c4r7c4r8c4|21,r0c6r0c7r1c6|6,r7c2r8c2|34,r3c3r3c4r3c5r4c4r5c4|6,r5c5r6c5r6c6|17,r1c3r1c4r1c5r2c4|11,r7c3r8c3|23,r4c0r4c1r4c2r4c3r5c0|22,r5c6r5c7r6c7r6c8|39,r0c0r1c0r1c1r2c0r2c1r3c0r3c1|8,r7c5r8c5|26,r4c5r4c6r4c7r4c8r5c8", "solution": "425317689893564712671928543238649157169275438547183926956831274314792865782456391", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1348, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1349, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-03-23", "puzzle": "39,r5c4r6c3r6c4r6c5r6c6r6c7r6c8|22,r0c5r0c6r1c5r1c6r2c6|15,r5c1r5c2r6c2|15,r0c0r0c1r1c0|12,r7c2r7c3|23,r2c0r2c1r3c0r3c1|5,r4c3r5c3|15,r0c2r0c3r0c4|32,r7c6r7c7r7c8r8c6r8c7r8c8|23,r2c5r3c4r3c5r4c4|36,r3c6r4c5r4c6r4c7r5c5r5c6r5c7|38,r0c7r0c8r1c7r1c8r2c7r3c7|18,r7c1r8c0r8c1|8,r2c8r3c8|6,r4c8r5c8|22,r1c1r1c2r2c2r2c3r3c3|26,r7c4r7c5r8c2r8c3r8c4r8c5|15,r4c0r4c1|15,r5c0r6c0r6c1r7c0|9,r1c3r1c4r2c4|11,r3c2r4c2", "solution": "641957283537128496892463157423685971968271534715394862159746328274839615386512749", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1349, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1350, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-03-24", "puzzle": "14,r8c7r8c8|13,r5c0r5c1r6c0|16,r0c8r1c8r2c8r3c8|6,r7c2r7c3|13,r3c4r3c5|12,r0c6r0c7|35,r4c5r5c5r5c6r5c7r5c8r6c5r6c6|15,r2c0r2c1|10,r7c5r7c6|24,r2c7r3c7r4c7r4c8|12,r0c0r0c1r0c2r1c0|19,r5c3r6c2r6c3|14,r2c4r2c5r2c6|7,r7c7r7c8|13,r4c0r4c1|13,r1c1r1c2|14,r5c4r6c4r7c4|9,r3c0r3c1|8,r8c1r8c2|7,r4c3r4c4|22,r0c3r0c4r1c3r1c4|6,r6c7r6c8|22,r2c2r3c2r4c2r5c2|22,r8c3r8c4r8c5r8c6|3,r3c6r4c6|21,r0c5r1c5r1c6r1c7|23,r6c1r7c0r7c1r8c0|12,r2c3r3c3", "solution": "231596487649178523875423961362849175497615238518732694753961842984257316126384759", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1350, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1351, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-24", "puzzle": 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"15,r7c8r8c8|9,r5c1r6c1|11,r2c3r2c4|13,r6c3r7c3|12,r3c4r4c4r5c4|13,r0c7r0c8r1c7|21,r7c1r8c0r8c1|7,r5c2r5c3|11,r1c5r2c5|9,r6c4r6c5|8,r3c5r3c6|14,r0c0r1c0|14,r5c5r5c6|6,r1c6r2c6|26,r7c4r7c5r8c2r8c3r8c4r8c5|17,r2c7r3c7|16,r0c1r0c2r1c1r2c1r3c1|6,r5c8r6c8|17,r1c8r2c8r3c8r4c8|9,r6c6r7c6|19,r4c1r4c2r4c3|9,r1c2r2c2|18,r4c0r5c0r6c0r7c0|9,r2c0r3c0|22,r5c7r6c7r7c7r8c6r8c7|17,r4c5r4c6r4c7|29,r0c3r0c4r0c5r0c6r1c3r1c4|12,r6c2r7c2|16,r3c2r3c3", "solution": "942183657568297413731654298219765384356841972874329561127936845685472139493518726", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1353, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1352, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-03-24", "puzzle": "21,r4c6r5c4r5c5r5c6|12,r0c8r1c8|15,r8c3r8c4|30,r2c8r3c8r4c7r4c8r5c7r5c8|11,r0c0r0c1|28,r5c3r6c3r6c4r7c3r7c4|25,r1c0r1c1r2c0r2c1r3c0|29,r3c1r3c2r4c1r5c1r6c1|36,r0c3r0c4r1c3r1c4r1c5r2c4r3c4r4c4|6,r6c5r6c6|14,r2c2r2c3|7,r3c3r4c3|9,r0c5r0c6|29,r6c7r6c8r7c7r7c8r8c7r8c8|12,r2c5r3c5r4c5|10,r4c0r5c0r6c0r7c0|11,r0c2r1c2|27,r7c1r7c2r8c0r8c1r8c2|9,r2c6r3c6|17,r4c2r5c2r6c2|17,r0c7r1c6r1c7|19,r7c5r7c6r8c5r8c6|11,r2c7r3c7", "solution": "927568134634217958815943726751684293296135487483729615368491572172356849549872361", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1352, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1354, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-25", "puzzle": "14,r5c0r6c0r7c0|9,r2c3r2c4|9,r7c4r8c4|18,r3c5r4c5r5c5|28,r0c0r0c1r1c0r1c1r2c1|12,r5c2r6c2|11,r1c5r2c5|6,r7c5r8c5|9,r4c1r5c1|21,r0c2r0c3r0c4r0c5|16,r6c4r6c5|40,r1c6r1c7r1c8r2c6r2c7r2c8r3c8|14,r7c7r8c6r8c7|21,r3c4r4c4r5c3r5c4r6c3|13,r0c6r0c7r0c8|29,r6c1r7c1r7c2r7c3r8c2r8c3|26,r2c0r3c0r3c1r4c0|13,r6c8r7c8r8c8|11,r4c6r5c6|11,r1c3r1c4|12,r6c6r7c6|19,r3c2r3c3r4c2r4c3|23,r4c7r4c8r5c7r5c8r6c7|6,r1c2r2c2|5,r8c0r8c1|9,r3c6r3c7", "solution": "927653841381742596465189273792514638643928715158376429514897362876231954239465187", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1354, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1356, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-03-26", "puzzle": "14,r6c6r7c6r8c6|9,r4c7r5c7|7,r0c8r1c8|20,r6c3r6c4r7c3|14,r2c7r3c7|11,r0c3r0c4|12,r7c7r8c7|14,r4c8r5c8|13,r2c0r2c1|15,r6c5r7c4r7c5|9,r2c8r3c8|8,r0c0r1c0|9,r7c8r8c8|5,r5c0r6c0|15,r1c3r1c4r2c3|10,r6c7r6c8|9,r3c0r4c0|13,r0c1r1c1|4,r8c4r8c5|15,r5c1r6c1|15,r1c5r2c4r2c5|14,r7c0r8c0|10,r3c1r4c1|11,r0c2r1c2r2c2|18,r5c2r5c3r6c2|14,r3c2r3c3r4c2|18,r7c1r7c2r8c1r8c2r8c3|27,r3c4r4c3r4c4r4c5r5c4|26,r0c5r0c6r0c7r1c6r1c7|15,r4c6r5c5r5c6|11,r2c6r3c5r3c6", "solution": "186294753752863914943157268579426381431978625268315479397582146615749832824631597", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1356, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1355, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-03-25", "puzzle": 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"14,r5c2r6c1r6c2|30,r0c4r1c3r1c4r2c3r2c4r2c5|24,r8c1r8c2r8c3|14,r4c3r4c4r4c5|12,r0c5r0c6r0c7|28,r6c3r6c4r6c5r7c4r7c5r8c4|12,r2c6r2c7r3c6|20,r4c6r5c5r5c6|34,r0c0r0c1r0c2r0c3r1c0r1c1r1c2|6,r6c6r6c7|4,r3c4r3c5|18,r3c7r4c7r5c7|21,r1c5r1c6r1c7|11,r7c0r8c0|25,r2c8r3c8r4c8r5c8r6c8|25,r2c0r3c0r4c0r5c0r6c0|7,r0c8r1c8|12,r7c1r7c2r7c3|22,r3c1r4c1r5c1|15,r5c3r5c4|6,r2c1r2c2|33,r7c6r7c7r7c8r8c5r8c6r8c7r8c8|12,r3c2r3c3r4c2", "solution": "837462195165379842942158736496513278751284963283697451329846517614725389578931624", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1361, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1363, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-28", "puzzle": 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"8,r7c8r8c7r8c8|12,r3c6r3c7r4c6|18,r0c4r1c3r1c4r2c4|21,r6c1r7c0r7c1|7,r3c4r3c5|9,r0c2r0c3|11,r8c0r8c1|10,r4c7r5c7|8,r1c5r1c6|7,r6c2r6c3|9,r2c8r3c8|15,r0c5r0c6|3,r8c2r8c3|9,r5c0r6c0|10,r2c5r2c6|5,r7c2r7c3|12,r3c1r4c1|5,r0c7r0c8|15,r8c5r8c6|12,r5c3r5c4|21,r1c7r1c8r2c7|21,r6c4r7c4r7c5r8c4|11,r4c2r5c1r5c2|12,r0c0r0c1r1c0|13,r5c5r6c5|16,r2c0r3c0r4c0|23,r5c6r6c6r6c7r7c6r7c7|12,r4c3r4c4r4c5|32,r1c1r1c2r2c1r2c2r3c2|24,r4c8r5c8r6c8|14,r2c3r3c3", "solution": "175486932429713586368529174837961425594372618216845397741638259983254761652197843", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1365, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1366, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-29", "puzzle": "9,r5c6r5c7|16,r2c1r2c2|15,r8c0r8c1r8c2|4,r2c5r3c5|6,r0c0r0c1|18,r4c7r4c8r5c8|19,r0c4r1c4r2c4r3c4|38,r6c4r7c3r7c4r7c5r8c3r8c4r8c5|3,r3c6r3c7|15,r0c7r0c8|17,r6c0r6c1r7c0r7c1|8,r2c6r2c7|18,r8c6r8c7r8c8|36,r4c2r4c3r4c4r4c5r4c6r5c3r5c4r5c5|18,r0c2r0c3r1c2r1c3|15,r6c2r6c3r7c2|22,r1c7r1c8r2c8r3c8|18,r4c0r4c1r5c0|22,r0c5r0c6r1c5r1c6|15,r6c5r6c6r7c6|10,r3c1r3c2|9,r5c1r5c2|20,r1c0r1c1r2c0r3c0|17,r6c7r6c8r7c7r7c8|17,r2c3r3c3", "solution": "156329478842756391397841625564983217273514869981672543718265934635497182429138756", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1366, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1367, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-03-29", "puzzle": "11,r5c7r6c7|19,r1c1r2c1r2c2|13,r6c6r7c6r7c7|15,r4c6r5c5r5c6|14,r0c1r0c2r0c3|12,r6c3r7c3|17,r2c3r2c4r3c3|5,r8c3r8c4|19,r3c7r3c8r4c7r4c8|20,r0c7r0c8r1c7r1c8|23,r6c4r6c5r7c4r7c5|25,r0c6r1c6r2c6r2c7r2c8|17,r8c5r8c6r8c7r8c8|12,r4c0r5c0|18,r0c0r1c0r2c0r3c0|20,r5c8r6c8r7c8|10,r2c5r3c5r3c6|11,r5c1r5c2|12,r1c2r1c3|21,r7c0r7c1r8c0r8c1|14,r3c1r3c2r4c1r4c2|14,r4c3r5c3r5c4|18,r0c4r0c5r1c4r1c5|24,r6c0r6c1r6c2r7c2r8c2|21,r3c4r4c4r4c5", "solution": "749123568163958742285647913856792134921384657374561829437816295512479386698235471", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1367, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1368, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-03-30", "puzzle": 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"15,r8c4r8c5r8c6|15,r5c5r5c6|14,r0c7r0c8r1c7r1c8|7,r7c0r7c1|14,r2c7r3c7|15,r0c0r0c1|9,r5c7r6c7|12,r1c2r2c1r2c2|7,r7c5r7c6|35,r3c1r3c2r4c1r4c2r5c1r5c2|4,r0c2r0c3|29,r2c8r3c8r4c8r5c8r6c8|6,r1c3r2c3|16,r7c7r7c8r8c7r8c8|31,r3c3r3c4r4c3r5c3r5c4|19,r0c4r0c5r0c6|15,r6c1r6c2r7c2|17,r1c4r2c4r2c5r2c6|10,r8c0r8c1|4,r4c4r4c5|9,r1c0r1c1|11,r6c3r7c3|22,r2c0r3c0r4c0r5c0r6c0|17,r8c2r8c3|10,r4c6r4c7|15,r1c5r1c6|22,r6c4r6c5r6c6r7c4|5,r3c5r3c6", "solution": "961347825275189643843526197187692354654731289392458761416275938528913476739864512", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1369, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1370, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-03-30", "puzzle": "19,r5c8r6c8r7c8r8c8|6,r3c0r3c1|13,r5c0r5c1|17,r0c0r0c1|7,r6c0r7c0|24,r2c3r3c2r3c3|28,r4c3r4c4r4c5r5c4r5c5r6c4|15,r0c6r0c7r0c8r1c6r1c7|15,r6c1r7c1|11,r2c4r3c4|27,r3c8r4c6r4c7r4c8r5c6|34,r0c2r0c3r1c1r1c2r1c3r2c1r2c2|23,r6c2r7c2r8c0r8c1r8c2|21,r2c5r2c6r3c5r3c6|8,r6c5r6c6|19,r0c4r0c5r1c4r1c5|4,r7c5r7c6|26,r1c8r2c7r2c8r3c7|28,r5c7r6c7r7c7r8c7|5,r1c0r2c0|36,r6c3r7c3r7c4r8c3r8c4r8c5r8c6|19,r4c0r4c1r4c2r5c2r5c3", "solution": "897365421246817539351924876518793642934652718762148953179436285685271394423589167", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1370, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1371, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-03-31", "puzzle": "5,r8c1r8c2|11,r3c8r4c8|8,r0c6r1c6|21,r7c0r7c1r8c0|3,r3c6r3c7|15,r0c0r0c1r1c0r1c1|10,r8c3r8c4|16,r5c0r5c1r5c2|16,r0c7r0c8r1c7|5,r6c2r7c2|10,r3c0r4c0|6,r0c3r0c4|13,r8c5r8c6|14,r6c0r6c1|6,r2c0r2c1|13,r6c3r7c3|14,r3c1r4c1r4c2|15,r0c2r1c2|19,r7c7r7c8r8c7r8c8|12,r5c6r6c5r6c6|9,r2c6r2c7|6,r6c4r7c4|42,r3c4r3c5r4c3r4c4r4c5r5c3r5c4r5c5|16,r1c3r1c4r2c4|17,r5c7r6c7|12,r1c8r2c8|10,r7c5r7c6|16,r4c6r4c7|17,r0c5r1c5r2c5|5,r5c8r6c8|23,r2c2r2c3r3c2r3c3", "solution": "318249657567183249429675813875394126234861975196527384683452791752916438941738562", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1371, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1372, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-03-31", "puzzle": "19,r5c6r5c7r5c8r6c8|21,r0c7r0c8r1c8r2c8|31,r6c2r6c3r6c4r7c4r8c2r8c3r8c4|18,r4c1r4c2r4c3|36,r0c4r0c5r0c6r1c4r2c4r2c5r2c6|18,r6c0r7c0r8c0r8c1|20,r2c0r3c0r3c1r3c2|7,r4c5r4c6r4c7|23,r0c0r0c1r0c2r1c0r1c1r1c2|21,r5c5r6c5r6c6r6c7|18,r3c4r4c4r5c4|7,r3c8r4c8|7,r0c3r1c3|11,r7c1r7c2r7c3|11,r3c5r3c6|11,r5c1r6c1|19,r1c5r1c6r1c7|14,r7c5r8c5|11,r2c7r3c7|17,r5c2r5c3|22,r2c1r2c2r2c3r3c3|31,r7c6r7c7r7c8r8c6r8c7r8c8|12,r4c0r5c0", "solution": "538179426241683795976425138713562984865794213429831567692347851354218679187956342", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1372, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1373, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-03-31", "puzzle": "9,r5c4r6c4|28,r1c3r2c1r2c2r2c3r3c1|9,r4c1r5c1|12,r0c3r0c4r0c5|10,r7c0r7c1|9,r1c4r2c4|8,r4c2r5c2|25,r0c0r0c1r1c0r1c1|36,r7c3r7c4r7c5r8c3r8c4r8c5|24,r1c5r2c5r2c6r2c7r3c7|22,r4c3r4c4r4c5r5c3r5c5|13,r0c2r1c2|12,r7c7r7c8|20,r2c0r3c0r4c0r5c0r6c0|10,r4c6r5c6|11,r0c6r1c6|31,r6c1r6c2r6c3r7c2r8c0r8c1r8c2|26,r3c2r3c3r3c4r3c5r3c6|10,r4c7r5c7|20,r0c7r0c8r1c7r1c8|29,r6c5r6c6r6c7r7c6r8c6r8c7r8c8|31,r2c8r3c8r4c8r5c8r6c8", "solution": "968534271735621984241879635397468152516392748482157369659243817824716593173985426", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1373, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1374, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-01", "puzzle": "15,r6c0r6c1r7c0r7c1r8c0|5,r1c4r1c5|8,r7c6r8c6|9,r4c7r4c8|15,r0c1r0c2r1c2r2c2|28,r5c7r5c8r6c7r6c8|23,r1c7r1c8r2c7r3c7|13,r7c7r7c8r8c7r8c8|20,r4c1r5c0r5c1|16,r0c4r0c5|16,r7c2r7c3|14,r1c1r2c1|25,r5c2r5c3r6c2r6c3r6c4|18,r0c6r0c7r0c8r1c6|23,r7c4r8c4r8c5|21,r2c4r2c5r2c6r3c6|34,r3c5r4c2r4c3r4c4r4c5r4c6r5c4|33,r0c0r1c0r2c0r3c0r3c1r4c0|12,r6c5r6c6r7c5|14,r2c3r3c2r3c3r3c4|3,r5c5r5c6|13,r0c3r1c3|19,r8c1r8c2r8c3|8,r2c8r3c8", "solution": "415897236362514789987326415721648953894135672653972148146253897239781564578469321", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1374, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1375, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-01", "puzzle": "24,r6c2r7c1r7c2r8c2|15,r3c5r4c5|8,r1c6r1c7|13,r6c0r6c1r7c0|18,r2c6r2c7r3c6|15,r0c1r0c2|23,r6c6r7c6r7c7r8c6|17,r4c7r4c8|10,r0c8r1c8r2c8|7,r5c3r6c3|11,r3c0r3c1|11,r0c3r0c4r0c5|8,r8c0r8c1|12,r5c0r5c1|10,r2c1r2c2r3c2|8,r5c4r6c4|7,r3c7r3c8|10,r0c6r0c7|26,r7c3r7c4r7c5r8c3r8c4r8c5|10,r4c2r5c2|16,r1c3r2c3|14,r5c5r6c5|5,r4c0r4c1|15,r0c0r1c0r2c0|10,r8c7r8c8|12,r4c6r5c6|23,r1c4r2c4r3c4r4c4|12,r6c7r6c8r7c8|8,r3c3r4c3|12,r1c1r1c2|8,r5c7r5c8|7,r1c5r2c5", "solution": "596182374784953261321764985657298143412637598938415726845379612173826459269541837", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1375, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1376, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-04-01", "puzzle": "36,r2c7r3c7r3c8r4c7r4c8r5c7r5c8|7,r1c6r1c7|3,r8c1r8c2|10,r3c6r4c5r4c6|20,r0c2r0c3r0c4|11,r5c0r6c0|14,r1c2r2c1r2c2|24,r6c8r7c7r7c8r8c6r8c7r8c8|11,r4c1r5c1|5,r0c5r0c6|19,r5c4r6c3r6c4|19,r2c4r2c5r2c6|17,r4c2r5c2r6c2|13,r0c7r0c8|12,r6c1r7c1|13,r1c8r2c8|24,r3c4r3c5r4c3r4c4r5c3|17,r0c0r0c1r1c0r1c1|39,r7c2r7c3r7c4r7c5r8c3r8c4r8c5|15,r2c0r3c0r4c0|30,r5c5r5c6r6c5r6c6r6c7r7c6|6,r1c4r1c5|11,r7c0r8c0|29,r1c3r2c3r3c1r3c2r3c3", "solution": "619743258287915436543628917172534689968271345354896172835462791496187523721359864", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1376, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1377, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-02", "puzzle": "15,r6c5r7c4r7c5|15,r3c7r4c7r4c8|10,r1c4r1c5|8,r5c3r6c3|13,r2c5r3c5|10,r0c0r0c1|18,r8c0r8c1r8c2|11,r4c0r5c0|25,r1c6r1c7r2c6r2c7|9,r5c4r6c4|10,r2c8r3c8|15,r0c3r0c4r0c5|16,r8c3r8c4r8c5|11,r5c1r5c2|3,r0c8r1c8|13,r5c8r6c8|11,r3c3r4c2r4c3|10,r0c6r0c7|5,r8c6r8c7|4,r4c5r5c5|20,r2c0r2c1r2c2r3c0|11,r6c0r7c0r7c1|15,r3c4r4c4|7,r1c0r1c1|14,r7c8r8c8|25,r5c6r5c7r6c6r6c7r7c6r7c7|5,r2c3r2c4|13,r7c2r7c3|15,r3c6r4c6|21,r0c2r1c2r1c3|12,r6c1r6c2|15,r3c1r3c2r4c1", "solution": "198735462437682951562149387756294813241863795983571624675328149324916578819457236", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1377, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1379, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-04-02", "puzzle": "26,r5c6r5c7r6c7r6c8r7c6r7c7|12,r1c1r2c1|8,r7c8r8c8|17,r4c1r4c2r4c3|7,r0c6r0c7|3,r6c1r7c1|14,r2c5r2c6|13,r8c6r8c7|19,r3c5r4c4r4c5r5c5|22,r0c0r0c1r0c2r1c0r2c0|12,r6c5r6c6|15,r3c1r3c2r3c3|23,r3c8r4c6r4c7r4c8r5c8|24,r0c3r1c2r1c3r2c2r2c3|31,r6c0r7c0r8c0r8c1r8c2|19,r0c4r1c4r2c4r3c4|18,r5c1r5c2r5c3|8,r0c5r1c5|25,r6c2r6c3r7c2r7c3r8c3|28,r1c6r1c7r2c7r2c8r3c6r3c7|22,r5c4r6c4r7c4r8c4|16,r0c8r1c8|10,r7c5r8c5|13,r3c0r4c0r5c0", "solution": "871463529496215387235798614142936758563847291789152463917624835324589176658371942", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1379, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1380, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-03", "puzzle": "16,r6c3r7c3r8c3|8,r4c5r4c6|11,r1c4r1c5|15,r6c0r6c1r7c1|11,r3c0r3c1|13,r0c1r0c2|17,r7c4r7c5|9,r4c7r4c8|11,r0c6r1c6r1c7|18,r5c2r6c2r7c2|10,r2c6r3c6|11,r0c4r0c5|20,r7c6r7c7r8c6|3,r5c0r5c1|13,r1c1r2c0r2c1|7,r6c4r6c5|11,r2c7r3c7|11,r0c7r0c8|13,r8c1r8c2|34,r3c3r3c4r3c5r4c4r5c3r5c4r5c5|13,r1c2r2c2r3c2|10,r5c8r6c8r7c8|13,r4c0r4c1|13,r0c0r1c0|5,r8c4r8c5|15,r5c6r6c6|16,r2c4r2c5|7,r7c0r8c0|8,r4c2r4c3|7,r0c3r1c3r2c3|9,r8c7r8c8|9,r5c7r6c7|18,r1c8r2c8r3c8", "solution": "576438192892165374134297685657821439943576218218943756769352841421789563385614927", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1380, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1378, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-02", "puzzle": "19,r5c4r6c4r7c4|10,r1c2r2c2|8,r6c8r7c8|19,r3c1r3c2r4c1|6,r0c0r0c1|28,r4c6r5c5r5c6r6c5r6c6r7c5|11,r1c3r2c3|23,r8c2r8c3r8c4r8c5r8c6|27,r3c3r3c4r3c5r4c3r4c4r4c5|13,r0c7r0c8|22,r4c8r5c7r5c8r6c7|17,r1c5r2c5|18,r3c6r3c7r4c7|6,r1c0r1c1|12,r6c0r7c0|8,r1c6r2c6|17,r4c0r5c0r5c1r6c1|34,r0c2r0c3r0c4r0c5r0c6r1c4r2c4|25,r7c1r7c2r8c0r8c1|19,r2c0r2c1r3c0|24,r4c2r5c2r5c3r6c2r6c3r7c3|11,r1c7r1c8|20,r7c6r7c7r8c7r8c8|8,r2c7r2c8r3c8", "solution": "249153867157468329863729514528917643694532781731684295312845976986371452475296138", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1378, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1381, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-03", "puzzle": "9,r4c1r5c1r6c1|22,r0c7r0c8r1c7r1c8r2c7r2c8|25,r5c7r6c7r7c5r7c6r7c7|24,r3c3r3c4r3c5r4c3r5c3|12,r0c2r0c3r0c4|17,r5c5r5c6r6c5r6c6|16,r2c2r2c3r3c2|4,r8c3r8c4|18,r4c4r4c5r5c4|15,r0c5r0c6|5,r5c0r6c0|23,r2c4r2c5r2c6|37,r5c8r6c8r7c8r8c5r8c6r8c7r8c8|10,r3c6r4c6|24,r0c0r0c1r1c0r1c1|13,r6c3r6c4|18,r2c0r3c0r4c0|7,r3c7r4c7|14,r1c2r1c3|39,r7c0r7c1r7c2r8c0r8c1r8c2|9,r2c1r3c1|12,r3c8r4c8|12,r1c4r1c5r1c6|13,r7c3r7c4|7,r4c2r5c2r6c2", "solution": "693547812548621973127389645976214358831956724254873196312498567489765231765132489", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1381, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1382, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-04-03", "puzzle": 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"6,r7c7r8c7|11,r4c0r4c1|10,r0c7r1c7|13,r6c6r7c6|34,r3c0r3c1r3c2r4c2r5c0r5c1r5c2|15,r0c3r0c4|5,r7c8r8c8|9,r4c3r4c4|17,r0c8r1c8|15,r6c7r6c8|13,r3c3r3c4|8,r0c5r0c6|13,r8c3r8c4|9,r5c3r5c4|10,r2c0r2c1|16,r7c0r8c0r8c1|40,r2c5r3c5r4c5r4c6r4c7r5c5r6c5|14,r0c0r0c1r1c0|7,r8c5r8c6|17,r5c6r5c7|11,r2c2r2c3|13,r7c1r7c2r8c2|5,r3c6r3c7|12,r0c2r1c1r1c2|15,r6c0r6c1|7,r1c6r2c6|23,r6c4r7c3r7c4r7c5|10,r3c8r4c8r5c8|13,r1c3r1c4r1c5r2c4|4,r6c2r6c3|10,r2c7r2c8", "solution": "425697138816534279739218546158769324294183765673452891961325487542876913387941652", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1383, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1384, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-04", "puzzle": "28,r5c0r6c0r7c0r8c0|11,r2c4r2c5|14,r6c5r6c6r7c5r7c6|8,r3c3r4c3|14,r0c0r0c1r1c0|26,r5c6r5c7r6c7r7c7|11,r2c0r3c0|36,r7c4r8c2r8c3r8c4r8c5r8c6|21,r3c4r3c5r4c4r5c3r5c4|29,r0c2r0c3r0c4r0c5r0c6r1c4|6,r5c8r6c8|15,r1c1r2c1r3c1r3c2|9,r7c8r8c7r8c8|16,r4c5r5c5|23,r1c2r1c3r2c2r2c3|13,r6c3r6c4|28,r0c8r1c8r2c8r3c8|23,r2c6r2c7r3c6r4c6|6,r1c5r1c6|9,r7c1r8c1|15,r4c0r4c1r5c1|12,r3c7r4c7r4c8|9,r0c7r1c7|6,r7c2r7c3|17,r4c2r5c2r6c1r6c2", "solution": "398716425246835179715492638437528916182369547569147382851673294974251863623984751", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1384, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1387, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-05", "puzzle": "20,r7c6r8c5r8c6|8,r4c6r5c6|15,r1c6r1c7r2c6|13,r6c0r6c1|20,r2c5r3c5r3c6|14,r0c4r0c5r1c5|11,r7c8r8c7r8c8|13,r4c7r5c7|23,r1c1r2c1r2c2|13,r6c4r7c4|13,r3c7r3c8r4c8|21,r0c6r0c7r0c8r1c8|20,r7c0r8c0r8c1r8c2|16,r4c0r5c0r5c1|13,r1c4r2c4|10,r6c6r6c7r7c7|6,r3c1r4c1|14,r0c0r0c1r1c0|12,r7c3r8c3r8c4|20,r5c2r5c3r6c3|9,r2c7r2c8|12,r6c2r7c1r7c2|11,r3c2r4c2|15,r0c2r0c3r1c2|4,r5c4r5c5|4,r2c0r3c0|12,r6c5r7c5|14,r4c3r4c4r4c5|5,r1c3r2c3|12,r5c8r6c8|12,r3c3r3c4", "solution": "432817569795246381168395472314759628657482193829631745941568237283174956576923814", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1387, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1385, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-04-04", "puzzle": "30,r7c1r7c2r8c1r8c2r8c3r8c4|14,r2c6r2c7r3c5r3c6|28,r1c3r2c3r3c3r4c3r5c3r5c4|13,r0c3r0c4r0c5|27,r6c3r6c4r7c3r7c4r7c5r8c5|20,r2c0r2c1r3c0r3c1|8,r4c6r5c6|17,r0c0r0c1r1c0r1c1|27,r6c6r6c7r7c6r7c7|11,r2c4r3c4|20,r4c8r5c8r6c8r7c8|26,r0c2r1c2r2c2r3c2|9,r8c6r8c7r8c8|31,r2c8r3c7r3c8r4c7r5c7|12,r5c5r6c5|10,r1c4r1c5r2c5|13,r4c4r4c5|19,r6c0r7c0r8c0|33,r0c6r0c7r0c8r1c6r1c7r1c8|37,r4c0r4c1r4c2r5c0r5c1r5c2r6c1r6c2", "solution": "759481362146732589283965417918357246327649158465128793691274835532816974874593621", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1385, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1386, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-04-05", "puzzle": "13,r3c7r4c7|15,r0c8r1c8|10,r7c1r7c2|8,r2c8r3c8r4c8|14,r0c2r0c3|23,r5c1r5c2r6c1r6c2|17,r1c2r1c3r2c1r2c2r3c1|13,r7c3r7c4|5,r4c0r4c1|9,r0c5r0c6r0c7|20,r5c0r6c0r7c0|13,r2c3r2c4|11,r8c0r8c1|13,r3c2r4c2|15,r0c0r0c1r1c0r1c1|25,r5c3r6c3r6c4r6c5r7c5|11,r1c7r2c7|10,r8c2r8c3r8c4|12,r3c3r3c4r4c3|17,r0c4r1c4|20,r6c6r6c7r7c6r7c7|10,r2c0r3c0|19,r4c4r4c5r5c4r5c5|14,r1c5r1c6r2c5r2c6|37,r5c8r6c8r7c8r8c5r8c6r8c7r8c8|31,r3c5r3c6r4c6r5c6r5c7", "solution": "169582347357194628824763195238456971415379862976821534591237486682945713743618259", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1386, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1389, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-06", "puzzle": "29,r5c8r6c8r7c8r8c8|3,r4c0r5c0|15,r0c5r1c5|27,r6c0r6c1r6c2r7c0r7c1|8,r2c5r3c5r4c5|6,r0c1r0c2|18,r7c2r8c0r8c1r8c2|13,r4c1r5c1|9,r1c1r2c1|11,r6c6r7c6|13,r3c7r4c7|10,r0c3r0c4|13,r8c4r8c5|16,r4c3r5c3r6c3|11,r1c2r2c2|8,r6c7r7c7|7,r3c8r4c8|17,r0c6r0c7r0c8r1c6|5,r8c6r8c7|20,r3c4r4c4r5c4|28,r1c7r1c8r2c6r2c7r2c8|9,r7c3r8c3|8,r4c2r5c2|25,r0c0r1c0r2c0r3c0|10,r5c5r6c5|15,r3c1r3c2|11,r6c4r7c4r7c5|12,r3c6r4c6|14,r1c3r1c4r2c4|5,r5c6r5c7|9,r2c3r3c3", "solution": "451379682739826154862541973678432591293185746145697238514963827987214365326758419", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1389, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1388, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-04-05", "puzzle": "8,r6c2r7c2r7c3|25,r1c6r1c7r1c8r2c8r3c8|13,r4c5r4c6r5c6|7,r0c0r0c1|15,r6c6r7c6|13,r1c3r2c3|19,r4c0r5c0r5c1r6c0r6c1|37,r0c2r0c3r1c2r2c2r3c2r4c2|30,r6c7r6c8r7c7r7c8r8c6r8c7r8c8|16,r2c5r2c6r2c7r3c7|22,r4c3r4c4r5c2r5c3|24,r0c4r0c5r0c6r1c4r1c5r2c4|28,r7c0r7c1r8c0r8c1r8c2|18,r2c0r2c1r3c0|26,r4c7r4c8r5c7r5c8|10,r0c7r0c8|5,r8c3r8c4|16,r3c3r3c4r3c5r3c6|12,r6c3r6c4r7c4|11,r1c0r1c1|35,r5c4r5c5r6c5r7c5r8c5|15,r3c1r4c1", "solution": "169845237832791546547632189986273451375184692214956378491568723723419865658327914", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1388, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1390, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-06", "puzzle": "13,r5c0r6c0r7c0|30,r0c7r0c8r1c7r1c8r2c8|20,r6c2r7c2r8c2r8c3|17,r3c5r4c5|9,r0c0r0c1|5,r6c4r6c5|9,r2c1r2c2|7,r7c4r8c4|38,r4c2r4c3r5c2r5c3r6c3r7c3|16,r0c3r0c4r0c5r0c6|9,r6c1r7c1|14,r2c4r2c5|11,r4c4r5c4r5c5|10,r1c0r1c1|34,r7c5r7c6r8c5r8c6r8c7r8c8|35,r2c6r2c7r3c6r3c7r3c8r4c8r5c8|19,r4c6r5c6r6c6r6c7r6c8|10,r0c2r1c2|13,r7c7r7c8|36,r2c0r3c0r3c1r4c0r4c1r5c1|4,r4c7r5c7|27,r1c3r1c4r1c5r1c6r2c3|8,r8c0r8c1|11,r3c2r3c3r3c4", "solution": "368291457912574863754386129247138695683759214195642738876923541429815376531467982", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1390, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1391, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-04-06", "puzzle": "10,r8c2r8c3|8,r4c2r5c2|11,r0c8r1c8|9,r6c3r7c3|7,r3c0r4c0|26,r0c0r0c1r1c0r2c0|21,r7c4r8c4r8c5r8c6|15,r5c0r6c0|17,r2c1r2c2r2c3r3c1|24,r6c6r7c6r7c7r8c7r8c8|14,r4c4r4c5|17,r0c2r0c3r0c4|17,r6c1r6c2r7c2|5,r2c6r2c7|6,r6c8r7c8|14,r3c6r3c7r4c6|14,r0c6r0c7r1c7|19,r5c4r5c5r5c6r6c4|20,r3c2r3c3r4c3r5c3|6,r7c0r8c0|14,r4c7r4c8r5c8|14,r1c1r1c2r1c3|13,r6c5r7c5|14,r2c4r3c4r3c5|9,r7c1r8c1|13,r4c1r5c1|22,r0c5r1c4r1c5r1c6r2c5|11,r5c7r6c7|15,r2c8r3c8", "solution": "796382145243715896815946237429573618351468729687291453978154362162839574534627981", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1391, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1392, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-07", "puzzle": "12,r7c1r8c1|15,r4c5r5c5|5,r0c7r1c7|11,r6c1r6c2|12,r2c2r3c1r3c2|21,r0c3r0c4r1c3r1c4|7,r7c6r8c6|12,r3c6r4c6|17,r0c8r1c8r2c8|13,r6c3r7c2r7c3|15,r3c7r3c8|3,r0c5r0c6|15,r7c7r8c7|4,r4c7r4c8|14,r2c0r2c1r3c0|3,r6c4r6c5|11,r4c0r4c1|8,r0c0r1c0|7,r7c8r8c8|9,r5c0r5c1|11,r2c3r2c4|20,r5c8r6c7r6c8|11,r4c2r5c2|11,r0c1r1c1|14,r8c2r8c3|24,r3c4r3c5r4c4r5c3r5c4|21,r1c5r1c6r2c5|12,r6c0r7c0r8c0|6,r3c3r4c3|14,r0c2r1c2|25,r7c4r7c5r8c4r8c5|10,r5c6r5c7r6c6|12,r2c6r2c7", "solution": "679531248245768913813924756581273469927456831364189527756812394192347685438695172", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1392, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1393, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-07", "puzzle": "18,r4c2r5c1r5c2|23,r1c4r1c5r2c4|27,r6c1r6c2r7c1r7c2r8c2|7,r3c4r4c4r4c5|12,r0c1r0c2|23,r4c3r5c3r6c3|16,r1c7r1c8r2c7|17,r7c0r8c0r8c1|13,r2c5r2c6r3c5|5,r0c3r0c4|21,r5c5r5c6r5c7r5c8|19,r1c1r1c2r1c3r2c1r2c2|12,r8c3r8c4|24,r3c6r3c7r4c6r4c7r4c8|16,r0c5r0c6r1c6|4,r5c0r6c0|6,r2c0r3c0|15,r7c7r7c8r8c7r8c8|12,r2c8r3c8|11,r0c7r0c8|30,r5c4r6c4r6c5r7c3r7c4r7c5r8c5|7,r3c1r3c2|13,r4c0r4c1|14,r0c0r1c0|30,r6c6r6c7r6c8r7c6r8c6|10,r2c3r3c3", "solution": "857143629641289753293765184425317968768924315319658472174832596586491237932576841", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1393, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1395, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-08", "puzzle": "7,r8c1r8c2|19,r3c6r4c5r4c6|5,r1c6r1c7|12,r4c8r5c8|16,r2c5r3c5|12,r0c1r0c2|27,r7c4r8c3r8c4r8c5|6,r3c7r4c7|15,r0c8r1c8|29,r6c0r6c1r7c0r7c1r8c0|7,r2c8r3c8|15,r0c6r0c7|13,r8c6r8c7|10,r4c0r5c0|17,r2c1r2c2|15,r6c2r6c3r7c2r7c3|5,r3c1r4c1|7,r0c0r1c0|11,r5c1r5c2|5,r2c6r2c7|15,r6c5r6c6r7c5r7c6|18,r3c2r4c2r4c3|5,r1c1r1c2|18,r5c3r5c4r5c5r6c4|12,r2c0r3c0|21,r6c7r6c8r7c7r7c8r8c8|5,r3c4r4c4|37,r0c3r0c4r0c5r1c3r1c4r1c5r2c4|14,r5c6r5c7|7,r2c3r3c3", "solution": "157342698623895147489167325845639712316728459792514863561283974978451236234976581", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1395, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1394, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-04-07", "puzzle": 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"32,r5c6r5c7r5c8r6c6r6c8|7,r1c4r2c3r2c4|10,r6c7r7c7|8,r4c0r4c1r5c0|34,r0c1r0c2r0c3r0c4r1c1|11,r5c1r6c0r6c1|9,r2c6r2c7|13,r7c8r8c8|13,r4c2r5c2r6c2|5,r0c0r1c0|13,r6c3r6c4|17,r2c0r3c0|9,r8c4r8c5|14,r3c4r4c4r5c4|12,r1c2r1c3r2c2|5,r5c5r6c5|15,r2c1r3c1|5,r8c6r8c7|14,r4c5r4c6|27,r0c5r0c6r1c5r1c6r2c5r3c5|35,r7c0r7c1r7c2r8c0r8c1r8c2|13,r3c2r3c3|13,r4c3r5c3|32,r0c7r0c8r1c7r1c8r2c8r3c8r4c8|21,r7c3r7c4r7c5r7c6r8c3|18,r3c6r3c7r4c7", "solution": "269873154345619782871245369986732541127458693534961827712584936453196278698327415", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1396, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1397, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-04-08", "puzzle": 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"12,r6c7r7c7|10,r3c8r4c8|15,r0c8r1c8|9,r5c4r6c4|15,r2c5r3c5|20,r0c3r0c4r0c5|5,r8c0r8c1|20,r4c2r5c2r6c2r6c3|5,r2c0r2c1|13,r5c7r5c8r6c8r7c8|8,r2c6r3c6|13,r0c0r1c0|11,r8c2r8c3|7,r4c3r5c3|13,r2c7r2c8|12,r6c1r7c1|3,r3c0r4c0|14,r0c1r0c2r1c1|11,r7c4r8c4|3,r4c5r5c5|15,r2c2r3c2|13,r7c2r7c3|13,r3c1r4c1|21,r1c2r1c3r1c4r1c5r1c6|16,r8c5r8c6|22,r4c6r5c6r6c5r6c6|8,r2c3r3c3|6,r7c5r7c6|13,r3c7r4c7|7,r0c6r0c7r1c7|11,r8c7r8c8|26,r5c0r5c1r6c0r7c0|15,r2c4r3c4r4c4", "solution": "571938426864275319329146785286759143153462897947381562792813654638594271415627938", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1410, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1411, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-13", "puzzle": 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"11,r8c3r8c4|31,r4c6r4c7r4c8r5c5r5c6|6,r0c6r1c6|16,r7c1r7c2|10,r3c2r4c1r4c2|37,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1|7,r8c5r8c6|9,r5c7r5c8|14,r2c2r2c3r2c4|9,r7c3r7c4|4,r3c3r4c3|4,r0c4r0c5|7,r7c8r8c8|15,r5c2r6c2|11,r2c5r2c6|11,r7c5r7c6|15,r3c4r4c4|24,r0c7r0c8r1c8|8,r6c3r6c4|15,r1c7r2c7r2c8r3c7r3c8|20,r6c7r6c8r7c7r8c7|13,r4c0r5c0r5c1|17,r0c3r1c3|17,r6c5r6c6|13,r3c0r3c1|12,r8c1r8c2|11,r5c3r5c4|13,r1c4r1c5|11,r6c0r6c1r7c0r8c0|14,r3c5r3c6r4c5", "solution": "652931487413867259978425631765189324841372596239654718526718943197543862384296175", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1413, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1414, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-14", "puzzle": "11,r4c8r5c8r6c8|18,r0c7r0c8r1c7|18,r6c6r7c6r8c5r8c6|14,r3c2r3c3r4c2r4c3|5,r0c0r1c0|19,r5c0r6c0r7c0|19,r2c4r2c5r2c6r2c7|14,r5c7r6c7r7c7r8c7|17,r4c5r4c6r5c5r5c6|21,r0c1r1c1r2c1r3c1|28,r6c1r6c2r6c3r6c4|14,r1c8r2c8r3c8|15,r7c8r8c8|10,r3c7r4c7|21,r0c2r0c3r1c2r2c2|9,r7c1r8c0r8c1|15,r2c0r3c0r4c0|7,r5c2r5c3|31,r0c4r0c5r0c6r1c3r1c4r2c3|6,r7c2r7c3|14,r3c5r3c6|18,r3c4r4c4r5c4|13,r1c5r1c6|36,r6c5r7c4r7c5r8c2r8c3r8c4|12,r4c1r5c1", "solution": "489326175137854962562917384243679518851432697976185423798563241314298756625741839", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1414, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1420, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-16", "puzzle": "20,r5c4r5c5r6c5|35,r1c5r1c6r2c4r2c5r2c6r2c7|10,r8c0r8c1|7,r4c2r4c3|12,r0c0r0c1|13,r6c3r6c4|5,r1c8r2c8|20,r7c2r7c3r8c2|3,r4c4r4c5|34,r0c3r0c4r0c5r0c6r0c7r0c8r1c7|7,r6c6r6c7|29,r2c1r2c2r2c3r3c1r3c2r3c3|13,r8c3r8c4|26,r3c6r4c6r4c7r5c6r5c7|18,r0c2r1c1r1c2|21,r5c8r6c8r7c8r8c8|11,r3c4r3c5|6,r8c5r8c6|16,r5c0r5c1r6c1r7c1|8,r1c3r1c4|10,r6c0r7c0|15,r3c7r3c8r4c8|14,r5c2r5c3r6c2|10,r1c0r2c0r3c0|25,r7c4r7c5r7c6r7c7r8c7|17,r4c0r4c1", "solution": "938264175264175893157839642742356918893421756516798234681943527425617389379582461", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1420, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1417, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-15", "puzzle": 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"20,r5c5r5c6r6c5r6c6|13,r1c0r2c0r2c1|16,r7c2r7c3r8c2r8c3|22,r2c4r3c4r4c4r5c4r6c4|8,r0c0r0c1|21,r4c8r5c7r5c8|22,r2c5r2c6r3c5|14,r7c4r7c5r8c4|11,r3c6r3c7r3c8|24,r0c2r0c3r1c1r1c2|14,r6c0r7c0|7,r1c7r2c7|12,r8c0r8c1|13,r4c1r4c2r4c3|15,r0c7r0c8|9,r6c1r7c1|12,r1c8r2c8|23,r7c6r7c7r8c5r8c6|15,r4c5r4c6r4c7|18,r0c4r1c3r1c4|14,r5c3r6c2r6c3|24,r3c0r3c1r4c0|7,r8c7r8c8|11,r5c0r5c1r5c2|13,r0c5r0c6r1c5r1c6|13,r6c7r6c8r7c8|14,r2c2r2c3r3c2r3c3", "solution": "178534269329876145645129837896245371713968524254713698531697482962481753487352916", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1415, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1419, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-16", "puzzle": "13,r7c7r8c7|23,r3c8r4c8r5c8|16,r0c6r1c6|5,r6c4r6c5|17,r3c2r4c2r5c2|8,r0c0r0c1|5,r7c8r8c8|21,r3c0r4c0r4c1r5c0|5,r0c7r1c7|12,r6c0r7c0r7c1|10,r3c4r3c5|6,r0c3r0c4|11,r8c0r8c1|13,r5c4r5c5|6,r0c8r1c8|11,r7c2r8c2|28,r2c6r2c7r2c8r3c6r3c7|16,r1c0r1c1r2c0|9,r8c3r8c4|23,r5c6r5c7r6c6r6c7r6c8|15,r2c1r2c2r3c1|12,r7c5r8c5|14,r4c3r4c4r4c5|10,r0c2r1c2|14,r5c1r6c1r6c2|15,r1c3r1c4r2c3r3c3|11,r7c6r8c6|5,r4c6r4c7|17,r0c5r1c5|26,r5c3r6c3r7c3r7c4|8,r2c4r2c5", "solution": "716248935854639721392571864549182376287356419631794258965423187128967543473815692", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1419, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1418, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-04-15", "puzzle": "8,r5c3r6c3|11,r2c2r2c3|15,r8c0r8c1|13,r3c3r4c2r4c3|27,r0c0r0c1r1c0r1c1r2c1|14,r5c5r6c5|7,r2c5r2c6|19,r6c2r7c2r8c2|12,r3c5r4c5r4c6|20,r0c7r0c8r1c7r1c8r2c7|11,r6c7r6c8|19,r2c0r3c0r4c0r5c0|24,r7c3r7c5r8c3r8c4r8c5|24,r3c6r3c7r4c7r5c6r5c7|16,r0c2r0c3r1c2|5,r7c0r7c1|11,r2c4r3c4|15,r6c6r7c6r8c6|16,r4c4r5c4|16,r0c4r1c3r1c4r1c5|6,r6c4r7c4|21,r2c8r3c8r4c8r5c8|9,r8c7r8c8|6,r6c0r6c1|18,r0c5r0c6r1c6|10,r7c7r7c8|32,r3c1r3c2r4c1r5c1r5c2", "solution": "816732954593184726742956138435861297271493865689275341157629483328547619964318572", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1418, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1416, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-15", "puzzle": "12,r7c6r8c6|12,r3c6r4c6|3,r1c5r1c6|11,r6c5r6c6r6c7|7,r3c1r3c2r3c3|10,r0c0r0c1|10,r7c7r7c8|17,r3c7r3c8r4c7r4c8|9,r0c7r1c7|12,r7c0r8c0|6,r2c5r3c5|19,r0c3r0c4r0c5r0c6|22,r8c2r8c3r8c4r8c5|11,r5c3r6c3|13,r0c8r1c8|8,r7c1r8c1|21,r4c0r4c1r5c0r5c1|13,r1c0r1c1|7,r8c7r8c8|18,r5c5r5c6r5c7|14,r2c1r2c2r2c3|12,r7c2r7c3|9,r4c2r5c2|7,r0c2r1c2|10,r5c8r6c8|20,r2c6r2c7r2c8|15,r6c4r7c4r7c5|32,r3c4r4c3r4c4r4c5r5c4|20,r1c3r1c4r2c4|10,r6c0r6c1r6c2|15,r2c0r3c0", "solution": "194638257583972146627541398942165873361897425758423961235784619479316582816259734", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1416, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1422, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-17", "puzzle": 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"13,r5c3r6c3|30,r0c7r0c8r1c7r1c8r2c8|11,r7c2r8c2|17,r4c0r4c1r5c0r5c1|15,r0c1r0c2r0c3|5,r5c5r5c6|6,r2c3r2c4|6,r7c5r7c6|7,r4c2r4c3|27,r0c4r0c5r1c4r1c5|23,r5c7r5c8r6c6r6c7r6c8r7c7|13,r2c6r2c7r3c6|12,r7c8r8c8|11,r3c4r4c4r5c4|9,r0c0r1c0|16,r5c2r6c1r6c2|31,r1c1r2c0r2c1r2c2r3c0r3c1|23,r7c3r7c4r8c3r8c4|16,r4c5r4c6|6,r1c2r1c3|11,r6c4r6c5|11,r3c2r3c3|16,r8c5r8c6r8c7|19,r3c7r3c8r4c7r4c8|9,r0c6r1c6|27,r6c0r7c0r7c1r8c0r8c1|15,r2c5r3c5", "solution": "467298315512473698893156427648319752351627984729584136934865271286731549175942863", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1423, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1421, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-04-16", "puzzle": "26,r5c4r6c4r7c4r7c5|8,r3c2r3c3|26,r8c4r8c5r8c6r8c7r8c8|21,r3c5r4c3r4c4r4c5r5c3|29,r0c0r0c1r0c2r0c3r0c4|17,r5c5r5c6|15,r1c3r1c4r2c4r3c4|23,r1c6r1c7r2c7r3c7r4c7|13,r0c5r1c5r2c5|7,r6c5r6c6|21,r2c6r3c6r4c6|10,r4c8r5c7r5c8|22,r0c6r0c7r0c8r1c8|29,r6c7r6c8r7c6r7c7r7c8|5,r2c8r3c8|16,r5c0r6c0|23,r1c0r1c1r1c2r2c0r2c1|22,r7c0r8c0r8c1r8c2|22,r3c0r3c1r4c0|9,r4c2r5c2r6c2|13,r2c2r2c3|8,r6c3r7c3r8c3|20,r4c1r5c1r6c1r7c1r7c2", "solution": "386571429149623587275849613591734862862915734734268951923486175418357296657192348", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1421, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1424, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-04-17", "puzzle": "13,r6c2r7c1r7c2|20,r2c2r2c3r3c3r4c3|29,r5c0r5c1r6c0r6c1r7c0|28,r0c5r0c6r0c7r0c8|22,r7c5r8c4r8c5|15,r1c5r2c5|16,r5c2r5c3|25,r0c0r0c1r1c0r1c1r2c0|10,r7c6r8c6|5,r3c5r3c6|7,r6c3r7c3|11,r0c2r1c2|24,r6c8r7c7r7c8r8c7r8c8|21,r1c8r2c7r2c8r3c7r3c8|34,r1c4r2c4r3c4r4c4r5c4r6c4r7c4|6,r0c3r0c4r1c3|20,r8c0r8c1r8c2r8c3|36,r2c1r3c0r3c1r3c2r4c0r4c1r4c2|16,r4c5r5c5r6c5r6c6|16,r1c6r1c7r2c6|31,r4c6r4c7r4c8r5c6r5c7r5c8r6c7", "solution": "472136598359248761681597342146873259593612874827954136738461925914325687265789413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1424, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1425, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-18", "puzzle": "22,r8c2r8c3r8c4r8c5|11,r3c8r4c8|3,r2c0r2c1|10,r6c5r6c6r7c5|12,r2c7r3c7|22,r0c0r0c1r0c2r1c0|17,r7c8r8c6r8c7r8c8|14,r5c1r6c1|23,r1c3r2c2r2c3|10,r6c7r6c8|5,r4c0r5c0|12,r0c3r0c4r0c5r0c6|12,r5c2r5c3|6,r1c4r2c4r3c4|18,r6c0r7c0r8c0|15,r3c2r4c1r4c2|11,r1c1r1c2|7,r5c7r5c8|16,r1c5r2c5|16,r6c2r7c1r7c2r8c1|25,r3c3r4c3r4c4r4c5r5c5|17,r0c7r1c6r1c7r2c6|5,r6c3r7c3|17,r3c0r3c1|13,r7c6r7c7|16,r4c6r4c7r5c6|18,r0c8r1c8r2c8|22,r5c4r6c4r7c4|10,r3c5r3c6", "solution": "638145297574829136219637485986513742127486359453972861791364528845291673362758914", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1425, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1426, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-18", "puzzle": "36,r5c5r5c6r5c7r6c5r6c6r6c7r7c6|12,r1c7r1c8|16,r7c7r8c6r8c7|24,r3c6r3c7r3c8r4c6r4c7r4c8|5,r0c2r0c3|10,r7c1r7c2r8c1|8,r2c0r2c1|19,r5c8r6c8r7c8r8c8|13,r4c0r4c1|13,r0c6r0c7r0c8|6,r7c0r8c0|10,r2c3r2c4r3c4|19,r4c3r5c2r5c3|34,r0c0r0c1r1c0r1c1r1c2r1c3|17,r7c3r8c2r8c3|8,r2c7r2c8|20,r5c0r5c1r6c0r6c1|16,r0c4r1c4|32,r4c4r4c5r5c4r6c4r7c4r8c4|8,r3c0r3c1|12,r6c2r6c3|34,r0c5r1c5r1c6r2c5r2c6r3c5|9,r7c5r8c5|24,r2c2r3c2r3c3r4c2", "solution": "592376418846291375713458926359817264674529183128643597985732641461985732237164859", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1426, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1427, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-04-18", "puzzle": "23,r6c4r6c5r7c3r7c4r8c3|10,r2c3r3c3r4c3|15,r8c6r8c7|22,r4c4r5c2r5c3r5c4|21,r0c0r0c1r0c2r1c0|16,r7c5r7c6r7c7|16,r2c0r3c0|27,r4c7r4c8r5c7r5c8r6c8|27,r0c3r0c4r1c2r1c3r1c4|8,r7c8r8c8|14,r2c4r2c5r3c4r3c5|26,r4c0r4c1r4c2r5c1r6c1|15,r0c5r0c6r1c5|36,r5c0r6c0r7c0r7c1r8c0r8c1|10,r3c6r4c6|8,r6c2r6c3|37,r0c7r0c8r1c6r1c7r1c8r2c6r2c7|5,r7c2r8c2|17,r2c8r3c7r3c8|7,r6c6r6c7|21,r1c1r2c1r2c2r3c1r3c2|10,r8c4r8c5|14,r4c5r5c5r5c6", "solution": "658917243234856719719342856926571438187234695345689172861793524492165387573428961", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1427, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1429, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-19", "puzzle": 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"17,r7c2r8c1r8c2r8c3|12,r3c8r4c8|21,r0c8r1c8r2c8|14,r6c6r6c7|18,r1c7r2c7r3c7|14,r0c2r0c3|8,r8c5r8c6|16,r5c1r6c1r7c1|10,r2c1r2c2|13,r6c0r7c0r8c0|9,r4c0r5c0|18,r0c5r0c6r0c7r1c6|12,r5c2r6c2|15,r2c4r2c5r3c4|23,r7c3r7c4r8c4|12,r3c1r4c1r4c2|10,r0c0r0c1r1c0|11,r5c5r5c6|17,r2c0r3c0|20,r6c5r7c5r7c6r7c7|20,r3c5r4c3r4c4r4c5r5c3|19,r1c1r1c2r1c3r2c3|6,r5c8r6c8|14,r3c2r3c3|7,r7c8r8c7r8c8|15,r4c6r4c7r5c7|11,r0c4r1c4r1c5|16,r5c4r6c3r6c4|7,r2c6r3c6", "solution": "546819237182537496937426158815972643374168529629354781293741865451683972768295314", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1428, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1430, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-04-19", "puzzle": "27,r6c0r6c1r7c0r7c1r8c0r8c1|4,r1c4r2c4|12,r8c2r8c3|9,r3c6r4c6r4c7|9,r0c2r0c3|15,r6c2r6c3r7c2|14,r1c5r2c5|11,r3c8r4c8|10,r0c4r0c5|35,r3c4r3c5r4c4r4c5r5c4r5c5r6c4|7,r1c6r2c6|5,r5c0r5c1|5,r0c0r1c0|30,r7c3r7c4r7c5r8c4r8c5|30,r2c0r3c0r4c0r4c1|31,r1c3r2c3r3c3r4c2r4c3r5c2r5c3|20,r0c1r1c1r1c2|22,r6c5r6c6r7c6r8c6|21,r2c1r2c2r3c1r3c2|24,r5c6r5c7r5c8r6c8|30,r0c6r0c7r0c8r1c7r1c8r2c8|22,r6c7r7c7r7c8r8c7r8c8|12,r2c7r3c7", "solution": "371864295258719634694235187726158349983476512145923876817642953432591768569387421", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1430, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1431, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-20", "puzzle": "14,r8c0r8c1|26,r5c2r5c3r5c4r5c5r5c6|5,r2c0r2c1|10,r6c3r7c3|14,r2c6r3c6r3c7|28,r0c1r0c2r0c3r1c1r1c2|15,r8c3r8c4r8c5|10,r4c6r4c7r5c7|12,r1c3r2c3|9,r6c4r7c4|8,r3c0r4c0|27,r0c5r0c6r0c7r1c6r1c7|7,r8c7r8c8|12,r5c0r6c0r6c1|9,r1c5r2c5|11,r6c5r7c5|25,r3c3r3c5r4c3r4c4r4c5|12,r0c0r1c0|21,r5c8r6c7r6c8|5,r2c7r2c8|18,r6c6r7c6r8c6|15,r3c8r4c8|6,r0c4r1c4|14,r7c0r7c1|15,r2c2r3c1r3c2|6,r7c7r7c8|19,r4c1r4c2r5c1|11,r0c8r1c8|6,r6c2r7c2r8c2|15,r2c4r3c4", "solution": "475613928819452673236897514327564189594781236168239457743126895681975342952348761", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1431, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1432, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-20", "puzzle": "15,r5c0r5c1r6c0r6c1|5,r0c6r1c6|13,r7c6r8c6|19,r3c4r4c4r5c4|15,r0c0r0c1r1c0|25,r5c2r5c3r6c2r6c3|10,r0c7r1c7|13,r7c7r8c7|23,r4c0r4c1r4c2r4c3|12,r0c2r0c3r0c4|14,r5c8r6c6r6c7r6c8|14,r0c8r1c8|13,r7c8r8c8|12,r3c5r4c5r5c5|4,r1c1r1c2|9,r7c1r7c2|21,r2c0r2c1r3c0r3c1|17,r7c0r8c0r8c1|11,r4c7r4c8|16,r1c3r1c4r2c4|17,r6c4r7c3r7c4|20,r2c2r2c3r3c2r3c3|12,r8c2r8c3r8c4|24,r3c6r3c7r4c6r5c6r5c7|20,r0c5r1c5r2c5|13,r6c5r7c5r8c5|18,r2c6r2c7r2c8r3c8", "solution": "725346189613879425948215763176483952859162374234957618467598231381624597592731846", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1432, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1433, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-04-20", "puzzle": "29,r6c0r7c0r8c0r8c1r8c2|17,r1c1r2c1r3c1|6,r7c5r7c6|21,r3c0r4c0r5c0|20,r0c3r0c4r0c5r0c6r1c3|8,r5c1r6c1r7c1|10,r1c2r2c2r3c2|16,r7c7r8c7|5,r4c1r4c2|11,r1c5r1c6|18,r5c2r6c2r7c2|15,r1c4r2c4|7,r7c8r8c8|28,r3c4r3c5r4c4r4c5r5c4r5c5|9,r0c7r1c7|4,r6c4r7c4|10,r2c5r2c6|32,r3c6r4c6r4c7r4c8r5c6|12,r0c8r1c8|12,r6c5r6c6|29,r2c3r3c3r4c3r5c3r6c3|17,r5c7r5c8r6c7r6c8|27,r0c0r0c1r0c2r1c0r2c0|24,r7c3r8c3r8c4r8c5r8c6|18,r2c7r2c8r3c7r3c8", "solution": "298146753371285649564379128845623917732491865619758432126937584953814276487562391", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1433, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1434, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-21", "puzzle": 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"13,r4c7r5c7r6c7|18,r1c7r2c7r3c7|7,r7c7r8c7r8c8|10,r4c5r4c6r5c5|9,r0c3r0c4r1c3|17,r6c1r6c2r6c3|5,r1c8r2c8|15,r6c8r7c8|17,r3c8r4c8r5c8|28,r0c5r0c6r0c7r0c8|14,r5c4r6c4|26,r2c0r3c0r3c1r4c0r5c0|12,r7c1r8c1|13,r4c1r5c1|16,r0c0r1c0|19,r5c6r6c5r6c6r7c6|25,r2c1r2c2r2c3r3c2r3c3|11,r7c4r8c4|11,r4c2r5c2|13,r0c1r0c2r1c1r1c2|11,r6c0r7c0r8c0|11,r2c5r3c5|17,r7c5r8c5r8c6|9,r4c3r5c3|27,r1c4r1c5r1c6r2c4r2c6r3c6|22,r7c2r7c3r8c2r8c3|9,r3c4r4c4", "solution": "713245896954368271628917354381524769469873125572196483247651938896432517135789642", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1438, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1437, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-22", "puzzle": "20,r6c4r7c4r8c4|14,r4c3r4c4r4c5|19,r0c4r1c4r2c4|6,r6c2r7c2|17,r2c7r2c8r3c7|7,r0c2r0c3|10,r7c5r7c6|20,r4c6r4c7r5c7|10,r0c7r1c7|12,r6c3r7c3|15,r2c2r2c3r3c2|8,r0c5r0c6|5,r7c7r8c7|10,r5c2r5c3|12,r0c8r1c8|21,r3c8r4c8r5c8r6c7r6c8|7,r3c3r3c4|5,r0c0r1c0|14,r7c8r8c8|11,r5c4r5c5|27,r2c0r2c1r3c0r4c0r5c0|11,r7c0r8c0|14,r3c5r3c6|7,r0c1r1c1|7,r8c2r8c3|8,r5c6r6c5r6c6|12,r1c5r2c5|16,r7c1r8c1|12,r3c1r4c1r4c2|17,r1c2r1c3|9,r8c5r8c6|19,r5c1r6c0r6c1|3,r1c6r2c6", "solution": "426193578159867234738245196915436827247518963683729451564971382872354619391682745", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1437, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1439, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-04-22", "puzzle": 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"10,r8c1r8c2|19,r5c1r5c2r6c1|8,r0c8r1c8|4,r6c2r7c2|9,r2c7r3c7|23,r0c0r0c1r0c2r0c3|10,r8c6r8c7|12,r5c3r5c4|23,r1c1r2c1r2c2r2c3|12,r7c3r8c3|11,r2c8r3c8|4,r0c4r0c5|12,r4c5r5c5|9,r1c5r2c5|12,r6c5r7c5r8c5|18,r4c0r4c1r4c2|16,r0c6r0c7|10,r5c0r6c0|20,r1c0r2c0r3c0r3c1|27,r6c7r6c8r7c7r7c8r8c8|10,r3c6r4c6|15,r1c2r1c3r1c4|21,r6c3r6c4r7c4r8c4|9,r3c2r3c3r4c3|14,r7c0r7c1r8c0|16,r4c7r4c8r5c7r5c8|16,r1c6r1c7r2c6|12,r5c6r6c6r7c6|23,r2c4r3c4r3c5r4c4", "solution": "645813792812497536397652814456239187738164925129578463983746251271385649564921378", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1440, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1441, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-23", "puzzle": "18,r3c4r4c4r5c4|19,r1c5r1c6r1c7|30,r6c1r6c2r6c3r6c4r7c4r7c5|14,r2c8r3c7r3c8|16,r0c4r0c5|25,r4c7r4c8r5c7r5c8|4,r0c8r1c8|18,r7c6r8c5r8c6|8,r3c2r4c2|12,r0c6r0c7|16,r5c5r6c5r6c6|4,r2c0r2c1|22,r7c7r7c8r8c7r8c8|5,r4c6r5c6|19,r0c0r0c1r1c0r1c1|6,r6c7r6c8|21,r2c2r2c3r3c3|7,r8c1r8c2|9,r5c0r5c1r6c0|15,r0c2r0c3r1c2|10,r7c0r8c0|28,r3c0r3c1r4c0r4c1|9,r8c3r8c4|14,r4c3r5c2r5c3|32,r1c3r1c4r2c4r2c5r2c6r2c7|18,r7c1r7c2r7c3|6,r3c5r3c6r4c5", "solution": "625197843749238561318456792861942357597381426234765189483679215176524938952813674", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1441, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1442, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-04-23", "puzzle": 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"21,r5c5r6c3r6c4r6c5|10,r0c4r1c4|12,r7c8r8c8|23,r2c5r3c5r3c6|11,r0c0r0c1|14,r4c6r5c6r6c6|16,r1c0r2c0r2c1|13,r7c0r8c0r8c1|13,r3c0r3c1r4c0r4c1|9,r0c2r0c3|3,r5c8r6c8|9,r2c2r2c3r2c4|20,r7c3r8c2r8c3|15,r3c4r4c4r4c5|18,r0c5r0c6r1c5|18,r5c0r5c1r6c0|22,r1c6r1c7r2c6r2c7|16,r7c4r7c5r8c4r8c5|8,r4c7r4c8|13,r0c7r0c8r1c8|18,r6c1r6c2r7c1r7c2|17,r2c8r3c7r3c8|14,r7c6r8c6r8c7|12,r4c3r5c3r5c4|13,r1c1r1c2r1c3|19,r5c7r6c7r7c7|28,r3c2r3c3r4c2r5c2", "solution": "832765419657149823194238576318526947276894135549317682963482751781953264425671398", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1444, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1443, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-24", "puzzle": "12,r8c5r8c6|30,r2c0r3c0r4c0r5c0r6c0|12,r1c4r1c5r2c5|7,r7c2r8c2|9,r2c7r3c7|12,r0c0r0c1r1c0r1c1|9,r8c7r8c8|16,r5c4r5c5r5c6|14,r1c7r1c8r2c8|23,r6c5r7c4r7c5|18,r3c1r4c1r4c2r5c1|13,r0c3r0c4|9,r5c7r6c7|19,r2c1r2c2r3c2r3c3|18,r6c8r7c7r7c8|11,r4c3r4c4|7,r0c5r0c6|18,r5c2r5c3r6c1r6c2|19,r1c3r2c3r2c4|23,r7c0r7c1r8c0r8c1|11,r4c5r4c6|13,r0c7r0c8|15,r6c3r6c4r7c3|11,r1c6r2c6|3,r8c3r8c4|18,r3c8r4c7r4c8r5c8|15,r0c2r1c2|3,r6c6r7c6|17,r3c4r3c5r3c6", "solution": "237491658168572439459863712724135986516928347893647521681359274342786195975214863", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1443, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1445, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-04-24", "puzzle": "12,r5c5r6c5|9,r2c7r2c8|11,r7c8r8c8|25,r4c1r4c2r4c3r4c4r4c5|24,r0c3r0c4r0c5r0c6r1c3|17,r2c6r3c6r4c6r5c6r6c6|30,r2c0r3c0r4c0r5c0r6c0|23,r7c3r8c3r8c4r8c5r8c6|32,r3c7r3c8r4c7r4c8r5c7r5c8|28,r0c0r0c1r0c2r1c0r1c1r1c2|13,r6c2r6c3|7,r2c1r3c1|11,r5c1r6c1|25,r0c7r1c5r1c6r1c7|3,r6c7r6c8|3,r3c2r3c3|11,r5c2r5c3|5,r0c8r1c8|28,r7c0r7c1r7c2r8c0r8c1r8c2|19,r1c4r2c4r3c4|13,r5c4r6c4r7c4|15,r2c2r2c3|24,r7c5r7c6r7c7r8c7|17,r2c5r3c5", "solution": "729514863415683972638729145541298736283176459967435218854967321196342587372851694", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1445, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1446, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-25", "puzzle": "23,r6c4r6c5r7c5|9,r4c5r5c5|6,r0c5r1c5|16,r5c6r6c6r6c7r6c8|24,r2c7r2c8r3c7r3c8|18,r0c1r0c2r0c3|5,r7c6r7c7|17,r4c6r4c7r5c7|16,r0c6r0c7r1c7|17,r7c0r8c0|3,r3c0r4c0|12,r0c0r1c0|15,r7c8r8c8|13,r4c8r5c8|7,r0c8r1c8|10,r7c1r8c1r8c2|17,r3c1r4c1r4c2|7,r1c1r1c2|15,r8c5r8c6r8c7|18,r5c0r5c1r6c0r6c1|17,r2c0r2c1r2c2r3c2|12,r7c3r8c3|9,r3c3r4c3|23,r1c3r2c3r2c4|6,r5c3r6c3|10,r1c6r2c6r3c6|3,r7c4r8c4|18,r3c4r4c4r5c4|10,r0c4r1c4|17,r5c2r6c2r7c2|12,r2c5r3c5", "solution": "589174623761932584432865197198357462253641978674298315326489751847516239915723846", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1446, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1447, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-25", "puzzle": 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"17,r6c4r7c4r7c5|24,r0c8r1c7r1c8r2c8|23,r7c1r8c0r8c1r8c2|15,r4c4r4c5r5c4|13,r0c0r0c1r1c0|24,r5c5r5c6r6c5|15,r1c1r1c2r2c1r2c2|6,r8c3r8c4|18,r4c6r4c7r5c7|17,r0c2r0c3|5,r5c8r6c8|13,r2c0r3c0|6,r8c5r8c6|13,r3c8r4c8|12,r0c4r0c5r1c5|13,r6c0r6c1r7c0|33,r3c1r3c2r4c1r4c2r5c2|8,r4c0r5c0r5c1|14,r0c6r0c7r1c6|22,r6c6r6c7r7c6|10,r2c6r2c7r3c6r3c7|22,r6c2r6c3r7c2r7c3|24,r1c3r1c4r2c3r2c4r2c5|17,r7c7r7c8r8c7r8c8|21,r3c3r3c4r3c5r4c3r5c3", "solution": "348962157671534829952817436489376215167425398523189764234658971815793642796241583", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1450, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1449, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-26", "puzzle": "15,r8c0r8c1|18,r4c3r5c2r5c3|26,r0c5r0c6r1c5r2c5|9,r6c7r6c8|20,r3c0r3c1r3c2r3c3r4c0|7,r0c3r1c3|8,r7c5r8c5|25,r4c8r5c5r5c6r5c7r5c8|17,r2c0r2c1|26,r6c3r7c3r8c2r8c3|25,r2c4r3c4r4c4r5c4r6c4|13,r0c7r0c8|14,r5c0r6c0r7c0|10,r2c2r2c3|5,r7c4r8c4|16,r3c5r3c6r4c5|6,r0c0r1c0|12,r6c1r7c1|3,r1c6r2c6|20,r7c6r7c7r8c6r8c7|12,r4c1r4c2r5c1|16,r0c1r0c2r1c1r1c2|7,r6c2r7c2|13,r1c7r2c7|9,r7c8r8c8|17,r3c7r4c6r4c7|15,r0c4r1c4|11,r6c5r6c6|10,r1c8r2c8r3c8", "solution": "231576894457289163896413275374198652519362487628745319182954736745631928963827541", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1449, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1451, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-04-26", "puzzle": "13,r6c3r7c2r7c3|9,r2c0r2c1|23,r7c7r7c8r8c7r8c8|40,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|19,r0c0r0c1r1c0r1c1|10,r6c7r6c8|16,r1c5r1c6r2c5|25,r4c0r5c0r6c0r6c1r7c1|19,r0c2r0c3r1c2r1c3|15,r7c0r8c0|22,r2c6r3c6r4c6|19,r3c0r3c1r4c1r5c1|18,r0c5r0c6r0c7|20,r6c4r7c4r8c4|17,r2c2r2c3r3c2r3c3|10,r5c5r5c6r6c5r6c6|13,r0c4r1c4r2c4|12,r8c1r8c2r8c3|20,r3c7r4c7r5c7r5c8|21,r4c2r5c2r6c2|6,r0c8r1c8|13,r7c5r7c6r8c5r8c6|25,r1c7r2c7r2c8r3c8r4c8", "solution": "498315762516287394273946851364129587125678943789534126857463219942751638631892475", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1451, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1452, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-04-27", "puzzle": "10,r7c6r7c7|15,r4c6r4c7|9,r1c4r1c5r2c4|12,r6c0r7c0|10,r2c2r3c2|17,r0c1r0c2|12,r7c8r8c8|7,r3c8r4c8|16,r1c6r2c6|13,r6c1r7c1|27,r2c5r3c5r3c6r3c7|15,r0c4r0c5r0c6r0c7r0c8|24,r8c0r8c1r8c2r8c3r8c4|19,r5c1r5c2r5c3r6c3|8,r1c7r2c7|7,r6c2r7c2|11,r4c0r5c0|7,r0c0r1c0|6,r8c6r8c7|6,r5c6r6c6|12,r1c8r2c8|16,r6c4r7c3r7c4|11,r4c1r4c2|11,r1c1r1c2|9,r5c7r6c7|7,r2c0r3c0|22,r5c5r6c5r7c5r8c5|23,r3c4r4c3r4c4r4c5r5c4|24,r0c3r1c3r2c3r3c3|13,r5c8r6c8|6,r2c1r3c1", "solution": "689724531174653928352918764418267395965341872237895416546139287791582643823476159", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1452, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1453, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-27", "puzzle": "17,r4c6r5c6|14,r1c1r2c1r2c2|15,r6c0r7c0r8c0|11,r3c5r3c6|22,r0c0r0c1r1c0r2c0|17,r4c7r4c8r5c7r5c8|19,r2c3r3c3r3c4|18,r7c2r7c3r8c1r8c2|7,r3c7r3c8|24,r0c2r0c3r1c2r1c3|8,r6c1r7c1|14,r2c4r2c5r2c6|13,r7c4r8c3r8c4|11,r4c3r4c4r4c5|8,r0c4r0c5r1c4|21,r6c2r6c3r6c4|7,r1c7r2c7|22,r7c5r7c6r8c5r8c6|6,r5c0r5c1|18,r0c6r0c7r1c5r1c6|19,r5c4r5c5r6c5|17,r3c0r3c1r4c0r4c1|15,r6c8r7c8r8c7r8c8|6,r5c2r5c3|21,r0c8r1c8r2c8|18,r6c6r6c7r7c7|17,r3c2r4c2", "solution": "347912685982653147651748239168397452739524816425186973216875394874239561593461728", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1453, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1454, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-04-27", "puzzle": "14,r6c5r7c5|21,r1c3r2c3r2c4|26,r4c7r5c7r6c7r7c7|16,r0c6r0c7r0c8|35,r4c6r5c4r5c5r5c6r6c6r7c6|28,r1c5r1c6r1c7r1c8r2c5r2c6|13,r4c8r5c8|21,r0c0r0c1r0c2r0c3r1c0|12,r6c8r7c8r8c8|15,r2c7r2c8r3c7r3c8|16,r5c0r5c1r6c0r6c1|17,r0c4r0c5r1c4|14,r7c0r8c0|22,r3c3r3c4r3c5r3c6r4c4r4c5|24,r5c2r6c2r6c3r6c4|27,r1c1r2c0r2c1r3c0|11,r7c1r8c1|5,r4c0r4c1|8,r7c2r7c3r7c4|23,r1c2r2c2r3c1r3c2|25,r8c2r8c3r8c4r8c5r8c6r8c7|12,r4c2r4c3r5c3", "solution": "549236817132784965786951342978542136415673289263198574357869421624315798891427653", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1454, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1455, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-04-28", "puzzle": "12,r7c8r8c7r8c8|17,r3c8r4c8r5c8|14,r0c6r1c6r2c6|10,r6c4r7c4r7c5|35,r2c5r3c5r4c5r4c6r5c5r6c5|13,r0c0r0c1r1c1r1c2|7,r5c1r6c1|12,r1c0r2c0|20,r6c6r7c6r8c6|26,r3c6r3c7r4c7r5c6r5c7|7,r0c2r0c3|20,r5c2r5c3r5c4|16,r1c3r2c2r2c3|30,r7c1r7c2r8c0r8c1|10,r3c0r4c0r5c0|9,r0c4r0c5|9,r6c0r7c0|15,r1c7r2c7r2c8|4,r8c2r8c3|9,r4c1r4c2|16,r0c7r0c8r1c8|17,r6c2r6c3r7c3|17,r2c1r3c1|10,r8c4r8c5|9,r4c3r4c4|16,r1c4r1c5r2c4|13,r6c7r6c8r7c7|12,r3c2r3c3r3c4", "solution": "645281937912573486387469152194625378736814295258397614421958763569732841873146529", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1455, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1457, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-04-28", "puzzle": "7,r5c4r6c4|14,r0c5r1c5|10,r7c4r7c5|20,r2c5r3c5r3c6|11,r0c0r0c1|21,r5c0r5c1r6c0r6c1|20,r0c6r1c6r1c7r1c8r2c6|12,r7c6r8c6|15,r3c1r4c1r4c2|4,r0c3r0c4|22,r5c6r6c5r6c6r6c7r7c7|17,r1c0r2c0r3c0r4c0|9,r8c0r8c1|32,r3c3r4c3r4c4r4c5r5c5|13,r0c7r0c8|11,r4c8r5c8r6c8r7c8|23,r1c1r2c1r2c2r2c3r3c2|7,r8c4r8c5|18,r4c6r4c7r5c7|10,r0c2r1c2|28,r6c2r7c0r7c1r7c2r8c2|22,r2c7r2c8r3c7r3c8|15,r8c7r8c8|14,r5c2r5c3r6c3|10,r1c3r1c4|11,r7c3r8c3|9,r2c4r3c4", "solution": "472139658398645127156278439781523964625984371943716285539467812267891543814352796", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1457, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1456, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-04-28", "puzzle": "18,r4c3r5c3r5c4r6c3|17,r1c4r1c5|20,r7c0r7c1r8c0r8c1|14,r3c0r4c0|10,r0c4r0c5|32,r4c6r5c5r5c6r6c6r6c7|13,r0c6r1c6|21,r7c2r8c2r8c3r8c4|8,r3c1r4c1|21,r0c7r0c8r1c7r2c7r3c7|13,r5c0r6c0|37,r2c1r2c2r2c3r2c4r3c2r3c3r3c4|13,r7c5r7c6r8c5r8c6|7,r4c4r4c5|8,r0c0r1c0r2c0|6,r6c1r6c2|11,r1c8r2c8|27,r3c8r4c7r4c8r5c7r5c8r6c8|27,r0c1r0c2r1c1r1c2|26,r6c4r6c5r7c3r7c4|7,r2c5r3c5|12,r4c2r5c1r5c2|8,r0c3r1c3|25,r7c7r7c8r8c7r8c8|4,r2c6r3c6", "solution": "298346751137589642564712389672895134815234976943167825451978263729653418386421597", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1456, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1458, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-04-29", "puzzle": "5,r7c4r7c5|8,r4c0r5c0r6c0|13,r0c8r1c8|6,r6c6r7c6|19,r2c3r2c4r3c3r3c4|12,r0c0r0c1|8,r8c2r8c3|10,r5c1r6c1|10,r1c0r2c0|13,r6c7r7c7|14,r2c6r3c5r3c6|12,r0c2r0c3r0c4|24,r8c4r8c5r8c6|16,r5c2r5c3r6c2|14,r1c1r2c1|12,r6c8r7c8|6,r2c7r3c7|11,r0c5r0c6|7,r8c7r8c8|19,r5c4r5c5r6c4r6c5|8,r1c2r2c2|13,r7c0r8c0|15,r2c8r3c8r4c8|7,r1c3r1c4|29,r4c6r4c7r5c6r5c7r5c8|12,r1c5r2c5|13,r7c1r7c2r8c1|20,r4c3r4c4r4c5|12,r0c7r1c6r1c7|9,r6c3r7c3|28,r3c0r3c1r3c2r4c1r4c2", "solution": "841926537792435816356817942689374125214659378537182694178263459965741283423598761", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1458, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1459, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-04-29", "puzzle": "31,r4c0r5c0r5c1r5c2r6c0r7c0|23,r0c0r1c0r2c0r2c1|15,r8c3r8c4|23,r3c3r4c3r4c4r4c5r5c5|9,r0c4r0c5|22,r6c7r6c8r7c8r8c8|33,r1c8r2c8r3c6r3c7r3c8r4c8|11,r4c6r4c7|35,r0c6r0c7r0c8r1c6r1c7r2c6r2c7|11,r7c3r7c4|12,r3c0r3c1|17,r5c3r5c4r6c3r6c4|11,r0c1r0c2r0c3r1c1|14,r6c5r7c5r7c6|7,r2c2r3c2|9,r5c6r6c6|24,r1c2r1c3r2c3|22,r7c7r8c5r8c6r8c7|22,r2c4r2c5r3c4r3c5|3,r5c7r5c8|5,r1c4r1c5|35,r6c1r6c2r7c1r7c2r8c0r8c1r8c2|11,r4c1r4c2", "solution": "815236497937814652426957318571482936283169745694573821759328164362741589148695273", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1459, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1460, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-04-29", "puzzle": 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"15,r7c4r8c3r8c4|31,r3c5r4c3r4c4r4c5r5c3|21,r0c4r0c5r1c4|9,r5c8r6c8|10,r2c1r3c1|5,r0c0r0c1|9,r7c5r8c5|11,r4c6r4c7|23,r0c6r1c6r1c7r2c6r2c7|7,r6c0r7c0|7,r3c3r3c4|12,r0c7r0c8|10,r7c6r8c6|13,r3c8r4c8|11,r2c2r2c3r3c2|12,r6c3r6c4r7c3|9,r3c6r3c7|15,r1c0r1c1|10,r7c7r7c8|13,r5c1r5c2|16,r1c5r2c4r2c5|14,r5c6r6c5r6c6|7,r4c0r5c0|7,r0c2r1c2|16,r8c0r8c1|7,r5c4r5c5|10,r1c8r2c8|22,r6c1r6c2r7c1r7c2r8c2|11,r4c1r4c2|6,r0c3r1c3|8,r8c7r8c8|15,r5c7r6c7|13,r2c0r3c0", "solution": "236148957781593642594267318815436729329871564467952183158329476643785291972614835", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1482, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1484, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-05-07", "puzzle": "10,r5c2r5c3|24,r0c6r0c7r0c8r1c6|20,r7c7r7c8r8c7r8c8|22,r3c5r3c6r3c7r4c6r4c7|3,r0c0r0c1|15,r4c8r5c8r6c8|20,r1c7r1c8r2c8r3c8|28,r7c3r7c4r8c3r8c4r8c5|17,r3c0r4c0r5c0|13,r0c3r0c4|23,r5c1r6c1r6c2r7c2|17,r1c0r2c0|8,r3c1r4c1|34,r0c2r1c1r1c2r2c1r2c2r3c2|7,r6c3r6c4|9,r2c6r2c7|15,r4c2r4c3|11,r1c3r1c4|20,r6c5r6c6r7c5r7c6r8c6|7,r2c3r3c3|34,r4c4r4c5r5c4r5c5r5c6r5c7r6c7|18,r0c5r1c5r2c5|23,r6c0r7c0r7c1r8c0r8c1r8c2|7,r2c4r3c4", "solution": "125947836964385721873216549739564218458721963612893475596432187347158692281679354", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1484, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1483, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-07", "puzzle": 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"5,r8c4r8c5|20,r4c6r4c7r5c6|17,r1c5r1c6r1c7|10,r7c0r8c0|8,r2c5r3c5r3c6|8,r0c1r0c2|10,r8c6r8c7|14,r5c0r5c1r6c0|17,r0c8r1c8|7,r7c1r7c2r7c3|11,r2c8r3c7r3c8|10,r0c3r0c4|16,r5c2r5c3r6c3|11,r1c3r2c3|28,r5c7r6c6r6c7r7c6r7c7|14,r3c2r4c1r4c2|15,r0c5r0c6r0c7|14,r6c1r6c2|8,r1c4r2c4|21,r4c8r5c8r6c8r7c8r8c8|5,r3c3r4c3|25,r0c0r1c0r2c0r3c0r4c0|12,r6c4r7c4|9,r2c6r2c7|19,r8c1r8c2r8c3|5,r4c5r5c5|28,r1c1r1c2r2c1r2c2r3c1|16,r6c5r7c5|22,r3c4r4c4r5c4", "solution": "453916728271458639689732451837295146516374892942861375195647283324189567768523914", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1485, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1486, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-05-08", "puzzle": 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"10,r7c8r8c8|24,r4c5r4c6r5c5|9,r1c5r1c6|18,r6c4r6c5r7c4|10,r2c5r3c5|9,r0c1r0c2r1c1|12,r8c0r8c1r8c2|13,r4c7r5c6r5c7|19,r1c7r1c8r2c8r3c8|18,r6c6r6c7r7c6|10,r3c6r3c7|9,r0c4r0c5|11,r8c3r8c4|9,r5c1r5c2|19,r1c2r2c1r2c2|22,r5c0r6c0r7c0r7c1|22,r3c1r3c2r4c1|16,r0c6r0c7r0c8|14,r7c7r8c6r8c7|7,r5c3r6c3|17,r1c4r2c3r2c4|9,r7c2r7c3|14,r3c3r4c2r4c3|9,r0c0r1c0|12,r4c8r5c8r6c8|10,r2c6r2c7|8,r7c5r8c5|9,r3c4r4c4r5c4|10,r0c3r1c3|9,r6c1r6c2|17,r2c0r3c0r4c0", "solution": "461972358529183647837456192395714286684329715172568934718295463953647821246831579", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1489, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1488, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-05-09", "puzzle": "3,r7c5r8c5|9,r4c6r5c6|13,r1c6r1c7|16,r6c4r6c5r6c6|23,r2c5r2c6r3c4r3c5r3c6|13,r0c4r0c5|29,r7c6r7c8r8c6r8c7r8c8|17,r4c7r5c7|14,r0c8r1c8|8,r6c7r7c7|8,r3c7r3c8|4,r0c6r0c7|10,r8c1r8c2|7,r5c0r5c1|14,r1c1r2c1|6,r7c0r8c0|12,r3c1r4c1|17,r0c0r0c1r0c2r1c0r1c2|13,r8c3r8c4|27,r5c2r5c3r5c4r6c2r6c3|11,r2c2r2c3r2c4|10,r7c1r7c2|14,r3c2r4c2|16,r0c3r1c3|10,r4c8r5c8r6c8|9,r2c7r2c8|12,r7c3r7c4|24,r3c3r4c3r4c4r4c5r5c5|8,r1c4r1c5|11,r6c0r6c1|17,r2c0r3c0r4c0", "solution": "472985136351726948896143527749218653285634791613579284928467315564391872137852469", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1488, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1491, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-05-10", "puzzle": "16,r7c4r7c5r8c5|9,r4c2r4c3|17,r0c3r1c3r1c4|12,r5c8r6c8|10,r2c3r3c3|13,r0c4r0c5r0c6|16,r7c6r8c6|6,r4c5r4c6|17,r1c6r1c7r1c8|3,r6c0r6c1|28,r2c4r3c4r4c4r5c4r6c4|12,r0c7r0c8|6,r7c7r8c7|16,r3c7r4c7r5c7|19,r2c1r2c2r3c2|14,r6c2r6c3r7c3|11,r3c5r3c6|15,r0c0r1c0|8,r7c8r8c8|10,r3c8r4c8|16,r1c5r2c5r2c6|15,r5c6r6c6r6c7|14,r4c0r5c0|6,r0c1r1c1|15,r8c0r8c1|7,r5c2r5c3|7,r2c7r2c8|12,r7c0r7c1r7c2|18,r3c1r4c1r5c1|5,r0c2r1c2|15,r8c2r8c3r8c4|11,r5c5r6c5|6,r2c0r3c0", "solution": "752648193813925647469713825284396571531874269976152438127569384345287916698431752", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1491, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1492, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-10", "puzzle": "7,r4c3r5c3|16,r0c7r0c8r1c7|19,r7c3r8c2r8c3|40,r4c1r4c2r5c1r5c2r6c1r6c2r7c2|27,r0c0r0c1r1c0r1c1r2c0|17,r5c4r6c3r6c4|22,r2c2r2c3r3c2r3c3|6,r7c4r8c4|15,r3c4r4c4|7,r0c3r0c4|11,r6c5r6c6r6c7|12,r2c4r2c5|7,r8c5r8c6|20,r3c5r4c5r5c5r5c6|10,r0c2r1c2|5,r7c0r7c1|20,r0c6r1c6r2c6r2c7r3c7|28,r6c8r7c7r7c8r8c7r8c8|10,r3c6r4c6|10,r1c3r1c4|13,r7c5r7c6|18,r1c8r2c8r3c8|18,r4c7r4c8r5c7r5c8|11,r0c5r1c5|11,r8c0r8c1|25,r2c1r3c0r3c1r4c0r5c0r6c0", "solution": "834162975526739148917548236281976354495381762763425819378694521142857693659213487", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1492, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1493, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-05-10", "puzzle": 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"8,r5c6r6c6|36,r0c6r1c6r2c6r2c7r3c6r4c6|11,r6c3r7c3|15,r2c3r2c4r3c3r4c3|18,r0c0r0c1r1c0r1c1|11,r5c7r6c7|14,r0c7r1c7|10,r7c5r7c6|18,r3c7r3c8r4c7r4c8|8,r0c2r0c3|11,r5c8r6c8|12,r0c8r1c8r2c8|21,r7c4r8c3r8c4|18,r4c0r4c1r5c0r5c1|20,r0c4r0c5r1c4|11,r6c0r7c0r8c0|13,r2c0r3c0|7,r8c5r8c6|20,r3c4r3c5r4c4r5c3r5c4|12,r1c2r1c3|11,r7c1r8c1|13,r2c1r3c1|17,r7c7r7c8r8c7r8c8|17,r4c5r5c5r6c4r6c5|11,r1c5r2c5|32,r4c2r5c2r6c1r6c2r7c2r8c2|10,r2c2r3c2", "solution": "532679481917548362684123579756812943321497856498356127865231794273984615149765238", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1496, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1497, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-05-12", "puzzle": "17,r7c1r8c0r8c1|13,r4c5r4c6r4c7|18,r1c2r1c3r2c3|11,r6c4r7c4|28,r3c3r3c4r4c4r5c4r5c5|12,r0c0r0c1r0c2|7,r8c2r8c3|12,r4c8r5c8|9,r1c5r1c6|6,r6c6r6c7|17,r2c5r2c6r3c5r3c6|13,r0c3r0c4|9,r8c4r8c5|13,r5c0r5c1r6c1|11,r2c1r2c2|3,r7c2r7c3|12,r2c7r3c7r3c8|12,r0c5r0c6|15,r8c6r8c7r8c8|19,r5c2r5c3r6c2r6c3|9,r1c4r2c4|20,r6c5r7c5r7c6|12,r3c0r4c0|13,r0c7r0c8r1c7|9,r5c6r5c7|12,r1c8r2c8|20,r6c8r7c7r7c8|15,r4c1r4c2r4c3|13,r1c0r1c1r2c0|13,r6c0r7c0|12,r3c1r3c2", "solution": "813945762479126358265873194357684921926731845148592637782469513631257489594318276", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1497, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1499, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-05-12", "puzzle": "11,r6c1r7c1|12,r1c3r2c3|22,r3c7r3c8r4c7r4c8|24,r0c0r0c1r1c0|20,r6c2r6c3r6c4r7c2|16,r1c5r2c5r3c5|21,r5c1r5c2r5c3|27,r0c2r0c3r0c4r0c5r0c6r1c4|19,r7c3r7c4r8c3r8c4|27,r2c6r2c7r3c6r4c6|8,r4c4r4c5r5c4|10,r0c7r0c8r1c8r2c8|17,r7c5r7c6r8c5r8c6|22,r2c0r3c0r4c0r4c1r5c0r6c0|17,r5c5r5c6r6c5r6c6|15,r1c6r1c7|21,r7c0r8c0r8c1r8c2|15,r3c1r3c2|21,r5c7r5c8r6c7r6c8|11,r1c1r1c2r2c1r2c2|23,r7c7r7c8r8c7r8c8|26,r2c4r3c3r3c4r4c2r4c3", "solution": "876194523913526784425738961369872415152643879748915236284369157537481692691257348", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1499, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1498, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-05-12", "puzzle": 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"9,r7c4r8c4|13,r3c5r4c5r5c5|6,r0c4r1c4|15,r6c0r6c1r6c2|10,r3c0r3c1r4c1|11,r0c0r0c1|9,r7c5r7c6|13,r4c0r5c0|6,r0c5r1c5|8,r6c3r6c4|12,r2c2r2c3r3c2|17,r0c2r0c3|25,r6c7r6c8r7c7r7c8|14,r4c2r5c1r5c2|16,r1c6r1c7|4,r7c0r8c0|15,r3c6r3c7r4c6|9,r0c6r0c7|13,r8c1r8c2|20,r3c4r4c4r5c4|9,r0c8r1c8|13,r7c1r7c2|6,r3c8r4c8|21,r1c0r1c1r2c0r2c1|9,r8c5r8c6|15,r5c6r6c5r6c6|16,r2c4r2c5|11,r7c3r8c3|12,r3c3r4c3r5c3|9,r1c2r1c3|12,r8c7r8c8|16,r4c7r5c7r5c8|11,r2c6r2c7r2c8", "solution": "749825631523641978861379425638192754917458362452763819294536187385917246176284593", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1500, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1501, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-13", "puzzle": "40,r7c2r7c3r7c4r7c5r7c6r8c2r8c6|21,r3c7r3c8r4c8r5c8|12,r1c0r2c0|6,r5c5r5c6r6c6|20,r2c2r3c2r3c3|17,r0c0r0c1|15,r4c1r5c1|7,r1c1r2c1|13,r6c7r6c8|15,r2c6r3c5r3c6|11,r0c7r0c8|10,r4c7r5c7|8,r1c3r2c3|18,r7c0r7c1r8c0r8c1|15,r3c0r3c1r4c0r5c0|6,r0c2r0c3r1c2|6,r6c0r6c1|14,r1c5r2c5|21,r7c7r7c8r8c7r8c8|5,r4c2r4c3|34,r0c4r1c4r2c4r3c4r4c4|20,r5c2r5c3r6c2|3,r1c7r2c7|11,r8c3r8c4r8c5|13,r4c5r4c6|13,r0c5r0c6r1c6|20,r5c4r6c3r6c4r6c5|11,r1c8r2c8", "solution": "893142765762598413514376928639781542271465839485923176156837294347259681928614357", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1501, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1502, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-05-13", "puzzle": "26,r3c1r4c1r4c2r4c3r5c3|13,r1c5r1c6|18,r6c5r6c6r7c6|17,r1c7r2c7r2c8r3c8|15,r0c1r0c2|14,r4c4r5c4|14,r0c8r1c8|5,r6c4r7c4|10,r3c2r3c3|14,r0c3r0c4r0c5|28,r3c7r4c5r4c6r4c7r5c5|17,r1c1r2c0r2c1r3c0|29,r6c0r7c0r7c1r8c0r8c1|9,r3c5r3c6|7,r0c6r0c7|16,r5c6r5c7r6c7|11,r2c2r2c3|34,r7c3r7c5r8c2r8c3r8c4r8c5r8c6|8,r4c0r5c0|6,r0c0r1c0|4,r4c8r5c8|11,r1c4r2c4r3c4|24,r6c8r7c7r7c8r8c7r8c8|18,r5c1r5c2r6c1|8,r1c2r1c3|13,r6c2r6c3r7c2|16,r2c5r2c6", "solution": "169275348587134926423869715354621879291758463678493251832517694916342587745986132", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1502, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1503, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-05-14", "puzzle": "11,r8c3r8c4|15,r4c7r4c8|12,r1c2r2c2r2c3|23,r5c6r6c6r7c6r7c7|29,r3c4r3c5r4c4r5c4r5c5|27,r0c0r0c1r0c2r1c0r1c1|11,r8c6r8c7|13,r5c0r6c0|24,r1c6r1c7r2c6r3c6|8,r6c7r6c8|7,r3c7r3c8|16,r0c3r0c4|10,r5c1r6c1|13,r2c7r2c8|32,r6c4r6c5r7c3r7c4r7c5r8c5|11,r4c0r4c1|12,r0c6r0c7|10,r5c2r5c3|9,r2c0r3c0|11,r7c8r8c8|12,r4c2r4c3|26,r0c5r1c3r1c4r1c5r2c4r2c5|7,r5c7r5c8|6,r2c1r3c1|23,r7c0r7c1r8c0r8c1r8c2|3,r4c5r4c6|3,r0c8r1c8|11,r6c2r6c3r7c2|10,r3c2r3c3", "solution": "623795481794618352815324976152869734387542169469137825948253617271986543536471298", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1503, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1504, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-14", "puzzle": "4,r5c4r6c4|33,r1c3r1c4r1c5r2c3r2c4r2c5|14,r7c6r7c7r8c7|14,r4c2r5c2r6c2|34,r0c1r0c2r0c3r0c4r0c5r0c6r0c7|22,r5c7r5c8r6c7r6c8|22,r2c0r2c1r2c2r3c2|10,r7c8r8c8|14,r4c3r5c3|11,r0c0r1c0|23,r6c3r6c5r7c3r7c4r7c5|20,r3c3r3c4r3c5r4c4|8,r4c5r5c5|6,r1c1r1c2|13,r7c0r8c0|12,r2c6r2c7r2c8r3c6|23,r4c6r5c6r6c6|16,r1c6r1c7|7,r7c1r7c2r8c1|24,r3c0r3c1r4c0r4c1|19,r5c0r5c1r6c0r6c1|8,r0c8r1c8|33,r8c2r8c3r8c4r8c5r8c6|15,r3c7r3c8r4c7r4c8", "solution": "947156382251843796386279145195468273863527914472931658539614827714382569628795431", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1504, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1505, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-05-14", "puzzle": "21,r5c5r5c6r6c6r7c6r8c6|16,r1c3r2c3|18,r2c5r2c6r3c6r4c6|16,r0c3r0c4r0c5r0c6|9,r7c7r8c7|16,r1c4r1c5r2c4|8,r3c8r4c8|26,r0c7r0c8r1c6r1c7r1c8|24,r6c7r6c8r7c8r8c8|33,r3c0r3c1r4c1r5c1r6c0r6c1|27,r2c7r2c8r3c7r4c7r5c7r5c8|10,r0c0r1c0r2c0r2c1|27,r7c0r7c1r7c2r8c0r8c1|40,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|16,r6c4r7c3r7c4|13,r0c1r1c1|17,r8c2r8c3r8c4r8c5|11,r4c0r5c0|7,r6c5r7c5|27,r0c2r1c2r2c2r3c2r3c3|23,r4c2r5c2r6c2r6c3", "solution": "379154682165728493248963175531486927486279531792531864627845319814392756953617248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1505, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1506, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-05-15", "puzzle": "7,r6c8r7c8|5,r4c6r4c7|16,r1c0r2c0|14,r5c0r6c0r7c0|15,r3c1r3c2|6,r0c0r0c1|26,r7c1r7c2r8c0r8c1r8c2|15,r4c8r5c8|10,r1c1r2c1|7,r6c1r6c2|4,r2c5r3c5|7,r0c2r0c3|15,r7c3r8c3|5,r5c1r5c2|10,r1c2r2c2|30,r4c5r5c5r6c4r6c5r7c5|7,r3c6r3c7|14,r0c4r1c4|5,r7c4r8c4|13,r5c3r6c3|21,r1c3r2c3r2c4r3c3r4c3|7,r6c6r7c6|9,r3c0r4c0|8,r0c5r1c5|12,r8c5r8c6|17,r3c4r4c4r5c4|9,r2c6r2c7|16,r6c7r7c7|14,r4c1r4c2|33,r0c6r0c7r0c8r1c6r1c7|7,r8c7r8c8|9,r5c6r5c7|12,r1c8r2c8r3c8", "solution": "513492786784156932926783541678341259395268417241579368452817693839625174167934825", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1506, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1507, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-15", "puzzle": "14,r4c1r5c1|17,r0c6r0c7r0c8r1c6|19,r5c8r6c8r7c8|12,r3c0r3c1r4c0|19,r0c0r0c1r1c0|9,r5c3r5c4|6,r2c0r2c1r2c2|23,r7c0r7c1r8c0|24,r3c2r4c2r5c2r6c2r7c2|10,r0c2r0c3|9,r5c0r6c0r6c1|23,r1c7r2c7r3c7r3c8|15,r8c1r8c2r8c3|8,r4c3r4c4|10,r0c4r0c5|20,r6c3r6c4r7c3r7c4|12,r1c8r2c8|15,r7c5r8c4r8c5|15,r3c5r4c5|18,r1c1r1c2r1c3|12,r5c5r5c6r6c5|27,r2c3r2c4r2c5r3c3r3c4|24,r6c6r7c6r8c6r8c7r8c8|14,r4c6r4c7r4c8|5,r1c4r1c5|15,r5c7r6c7r7c7|10,r2c6r3c6", "solution": "584637921679241538123985674716329485458176392392458167241863759967512843835794216", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1507, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1508, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-05-15", "puzzle": "11,r5c2r6c2|20,r2c5r2c6r3c4r3c5r3c6|9,r7c1r8c1|9,r4c5r4c6|22,r0c1r0c2r1c2|5,r6c3r6c4|14,r2c7r2c8|19,r7c2r7c3r8c2r8c3|10,r4c7r4c8|26,r0c3r0c4r1c3r1c4r1c5|26,r5c5r5c6r6c5r7c5|24,r2c3r2c4r3c3r4c3r5c3|15,r7c4r8c4r8c5|25,r5c0r5c1r6c0r6c1|23,r0c5r0c6r0c7r1c6r1c7|25,r6c6r6c7r7c6r8c6|16,r3c7r3c8|11,r4c4r5c4|10,r0c8r1c8|20,r6c8r7c7r7c8r8c7r8c8|26,r3c0r3c1r4c0r4c1|4,r5c7r5c8|23,r0c0r1c0r1c1r2c0r2c1r2c2|8,r7c0r8c0|4,r3c2r4c2", "solution": "576289314319754286248631759853162497491573628627948531984326175135497862762815943", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1508, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1509, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-05-16", "puzzle": "5,r7c2r8c2|6,r4c2r4c3|13,r0c7r1c7|10,r5c4r6c4|9,r2c1r3c1|4,r0c0r0c1|32,r7c3r7c6r8c3r8c4r8c5r8c6|22,r3c5r4c4r4c5r5c5|6,r0c8r1c8|8,r6c2r6c3|14,r3c2r3c3|10,r1c0r1c1|10,r7c4r7c5|19,r3c6r4c6r5c6|11,r2c2r2c3|7,r6c5r6c6|8,r2c4r3c4|13,r0c2r1c2|6,r7c7r8c7|15,r5c0r6c0|5,r2c5r2c6|7,r6c7r6c8|26,r3c7r3c8r4c7r4c8r5c7r5c8|33,r0c3r0c4r0c5r0c6r1c3r1c6|15,r7c8r8c8|11,r5c1r6c1|17,r2c7r2c8|11,r7c0r7c1|13,r4c0r4c1|11,r1c4r1c5|11,r8c0r8c1|11,r5c2r5c3|6,r2c0r3c0", "solution": "314987562289356174567412389138679425945128736726543891891765243473291658652834917", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1509, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1510, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-16", "puzzle": "3,r6c1r7c1|14,r1c1r2c1r3c1|12,r7c5r7c6|19,r4c1r5c0r5c1|24,r0c1r0c2r0c3r0c4|19,r5c2r5c3r6c2r6c3|13,r2c3r2c4|18,r6c8r7c8r8c8|28,r4c2r4c3r4c4r4c5r4c6|7,r0c0r1c0r2c0|15,r6c4r6c5|13,r2c5r2c6r3c5r3c6|14,r8c4r8c5r8c6r8c7|20,r3c7r3c8r4c7|8,r1c2r1c3|14,r5c7r6c7r7c7|15,r1c7r2c7|5,r4c8r5c8|18,r0c5r1c4r1c5r1c6|28,r6c0r7c0r8c0r8c1r8c2|19,r2c2r3c2r3c3r3c4|21,r5c4r5c5r5c6r6c6|26,r0c6r0c7r0c8r1c8r2c8|17,r7c2r7c3r7c4r8c3|15,r3c0r4c0", "solution": "183672945257194386469853172831547269742936851695281734318469527526718493974325618", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1510, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1511, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-05-16", "puzzle": "5,r5c1r6c1|12,r1c7r1c8r2c8|9,r7c2r8c2|14,r4c0r4c1r5c0|3,r0c1r0c2|20,r5c5r5c6r6c5r6c6|9,r2c0r2c1|27,r7c5r7c6r7c7r7c8r8c8|29,r4c2r4c3r5c2r5c3r6c2|19,r0c3r0c4r0c5r1c4|12,r5c7r5c8|16,r1c5r2c4r2c5|8,r8c0r8c1|20,r3c4r4c4r5c4|14,r0c7r0c8|14,r6c3r6c4r7c3|15,r3c0r3c1|18,r7c4r8c3r8c4r8c5|16,r2c6r3c5r3c6r4c5r4c6|33,r0c0r1c0r1c1r1c2r1c3|10,r6c7r6c8|15,r2c2r2c3r3c2r3c3|13,r8c6r8c7|14,r3c8r4c7r4c8|9,r0c6r1c6|19,r6c0r7c0r7c1|12,r2c7r3c7", "solution": "921573468637841592458269371784132659569784123312695784845916237293457816176328945", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1511, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1512, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-05-17", "puzzle": 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"11,r7c0r8c0|15,r4c7r4c8r5c7|13,r0c6r1c5r1c6|9,r6c6r6c7|12,r2c6r3c6|18,r0c3r0c4r0c5|12,r8c1r8c2r8c3|11,r4c2r5c2|9,r0c7r1c7|9,r5c8r6c8|17,r4c0r4c1r5c1|10,r0c0r1c0|14,r8c5r8c6r8c7|22,r5c3r5c4r5c5r6c3r6c5|12,r0c8r1c8|13,r7c1r7c2r7c3|15,r3c3r4c3|5,r0c1r1c1|10,r7c8r8c8|10,r4c6r5c6|13,r2c0r2c1r3c0r3c1|23,r6c4r7c4r8c4|5,r3c4r4c4|18,r0c2r1c2r1c3|11,r5c0r6c0|20,r2c7r2c8r3c7r3c8|13,r7c5r7c6r7c7|9,r3c5r4c5|17,r1c4r2c3r2c4r2c5|12,r6c1r6c2|17,r2c2r3c2", "solution": "245819673816753429379246581128934765937625148654178932593462817762581394481397256", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1513, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1514, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-05-17", "puzzle": "17,r2c2r3c2r4c2r5c2|12,r1c3r2c3|24,r7c0r7c1r8c0r8c1r8c2|13,r3c0r4c0|19,r0c0r0c1r1c1|9,r5c0r6c0r6c1|15,r1c5r1c6r2c5|33,r6c5r7c3r7c4r7c5r8c3r8c4|12,r3c3r4c3r4c4|11,r0c2r0c3r1c2|22,r5c3r5c4r6c3r6c4|13,r2c6r2c7|13,r8c5r8c6|14,r3c6r4c5r4c6r5c5|13,r0c4r1c4|12,r5c6r6c6r7c6|23,r1c8r2c8r3c8r4c8|11,r8c7r8c8|12,r3c7r4c7|21,r0c5r0c6r0c7r0c8r1c7|25,r5c7r5c8r6c7r6c8r7c7r7c8|6,r2c1r3c1|14,r4c1r5c1|11,r1c0r2c0|13,r6c2r7c2|17,r2c4r3c4r3c5", "solution": "791265348638479512542831769423786195965142837187953624359628471814397256276514983", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1514, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1518, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-05-19", "puzzle": "12,r7c0r8c0|10,r4c2r4c3|17,r1c3r1c4r1c5|11,r8c3r8c4|15,r5c6r6c6|11,r3c0r3c1|18,r0c2r0c3r1c2|11,r7c1r7c2|14,r4c5r4c6|8,r1c6r1c7|13,r7c6r8c5r8c6|13,r5c7r5c8|10,r2c2r3c2|9,r0c4r0c5|12,r7c3r7c4r7c5|15,r4c0r4c1r5c0r5c1|13,r0c8r1c8|9,r6c0r6c1|8,r2c5r3c5|8,r0c6r0c7|14,r7c7r8c7|9,r5c2r6c2|16,r2c0r2c1|6,r6c4r6c5|8,r2c6r3c6|10,r0c0r1c0|9,r7c8r8c8|11,r5c3r6c3|10,r2c3r2c4|9,r6c7r6c8|10,r3c7r3c8r4c7r4c8|7,r0c1r1c1|8,r8c1r8c2|28,r3c3r3c4r4c4r5c4r5c5|13,r2c7r2c8", "solution": "453718629628359174791642385839176542276485913514293867185924736347561298962837451", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1518, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1517, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-18", "puzzle": "14,r5c8r6c8r7c8r8c8|9,r5c1r6c1|15,r1c5r1c6|14,r6c6r7c6|22,r3c6r3c7r3c8r4c8|17,r0c1r0c2r1c1|13,r5c7r6c7|20,r0c8r1c8r2c7r2c8|22,r5c0r6c0r7c0r8c0|14,r4c1r4c2|15,r0c3r0c4r0c5|10,r6c2r7c2|13,r2c2r2c3r3c3|8,r7c1r8c1|8,r4c3r4c4r4c5|11,r0c6r0c7r1c7|13,r6c3r7c3|11,r1c4r2c4r3c4|16,r8c2r8c3r8c4r8c5r8c6|10,r4c6r4c7|18,r0c0r1c0r2c0r2c1|16,r6c4r7c4|23,r2c5r2c6r3c5|13,r7c7r8c7|25,r5c2r5c3r5c4r5c5r5c6|11,r1c2r1c3|7,r6c5r7c5|17,r3c0r3c1r3c2r4c0", "solution": "283654719569217834741389625317928456695143287824765391172896543438571962956432178", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1517, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1520, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-05-19", "puzzle": "9,r6c3r6c4|28,r0c7r0c8r1c7r1c8r2c8|7,r4c6r4c7|16,r0c2r0c3r0c4r0c5|6,r5c5r6c5|17,r1c2r1c3r2c1r2c2|11,r5c2r5c3|20,r0c0r1c0r2c0|18,r7c4r7c5r8c3r8c4|40,r2c4r3c4r3c5r4c3r4c4r4c5r5c4|35,r5c6r5c7r5c8r6c6r6c7r6c8r7c6|9,r0c1r1c1|27,r7c7r7c8r8c5r8c6r8c7r8c8|17,r3c7r3c8r4c8|39,r5c0r6c0r7c0r8c0r8c1r8c2|16,r1c4r1c5r2c5|28,r2c3r3c0r3c1r3c2r3c3r4c0|20,r6c1r6c2r7c1r7c2r7c3|26,r0c6r1c6r2c6r2c7r3c6|16,r4c1r4c2r5c1", "solution": "821573694974216835356849127267451983143798256598362471732184569615927348489635712", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1520, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1519, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-19", "puzzle": "4,r4c6r5c6|11,r2c2r2c3r3c3|18,r6c1r6c2r7c0r7c1|15,r3c0r3c1r4c0r4c1|21,r0c0r0c1r0c2r1c2r1c3|16,r6c3r7c3|13,r1c4r2c4|34,r7c2r8c0r8c1r8c2r8c3r8c4r8c5|17,r4c3r4c4r4c5|35,r0c3r0c4r0c5r0c6r0c7r0c8r1c6|12,r6c4r7c4|5,r1c5r2c5|31,r7c5r7c6r8c6r8c7r8c8|19,r4c7r4c8r5c7r5c8|17,r1c7r1c8r2c6r2c7|11,r5c5r6c5r6c6|9,r3c2r4c2|17,r5c0r5c1r6c0|15,r1c0r2c0|9,r6c7r7c7|20,r3c4r3c5r3c6|16,r5c2r5c3r5c4|13,r1c1r2c1|5,r6c8r7c8|22,r2c8r3c7r3c8", "solution": "732419856684573291951862437413258769826197345597634128375941682249786513168325974", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1519, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1516, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-05-18", "puzzle": "7,r3c8r4c8|21,r0c8r1c7r1c8r2c8|12,r7c2r8c1r8c2|12,r3c1r4c1|15,r0c0r0c1r1c0|10,r5c1r6c1|27,r1c4r2c3r2c4r2c5r2c6|16,r7c5r7c6r7c7|15,r4c2r5c2|13,r0c2r0c3|30,r3c5r4c5r5c5r5c6|11,r2c0r2c1r2c2r3c0|16,r7c3r8c3r8c4|13,r3c4r4c4r5c4|13,r0c4r0c5r1c5|20,r5c8r6c6r6c7r6c8|14,r3c2r3c3r4c3r5c3|11,r8c5r8c6|5,r3c6r4c6|21,r1c1r1c2r1c3|24,r6c2r6c3r6c4r6c5r7c4|11,r2c7r3c7|13,r7c8r8c7r8c8|9,r4c7r5c7|14,r0c6r0c7r1c6|22,r6c0r7c0r7c1r8c0|10,r4c0r5c0", "solution": "428591637967823514153647829285476391749318256316259748892734165631985472574162983", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1516, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1515, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-05-18", "puzzle": "25,r3c3r3c4r4c4r5c4r5c5|10,r1c6r1c7|13,r7c3r8c2r8c3|6,r3c2r4c2|26,r0c0r0c1r0c2r1c0r1c2|9,r5c7r5c8|18,r1c1r2c0r2c1|15,r7c4r7c5|10,r4c3r5c3|10,r0c3r0c4|14,r5c0r6c0r6c1r7c0|24,r2c2r2c3r2c4r2c5r2c6|10,r8c0r8c1|10,r3c5r4c5|13,r0c7r0c8|28,r6c2r6c3r6c4r6c5r6c6|10,r1c8r2c7r2c8r3c8|8,r8c4r8c5|8,r4c6r5c6|9,r1c3r1c4|9,r6c7r6c8r7c7|9,r3c0r3c1|28,r7c6r7c8r8c6r8c7r8c8|29,r4c0r4c1r5c1r5c2|16,r0c5r0c6r1c5|11,r7c1r7c2|27,r3c6r3c7r4c7r4c8", "solution": "326914758847365192591728643632579481784231569159846327473692815265187934918453276", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1515, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1521, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-05-20", "puzzle": "38,r8c1r8c2r8c3r8c4r8c5r8c6r8c7|4,r4c4r5c4|16,r0c7r1c7r2c7|14,r6c3r7c3|4,r3c6r3c7|27,r0c2r0c3r0c4r0c5r0c6|12,r5c5r5c6|35,r0c8r1c8r2c8r3c8r4c8r5c8|9,r6c4r7c4|11,r4c1r4c2|32,r0c0r1c0r2c0r3c0r4c0r5c0|12,r5c1r6c1|12,r2c2r2c3|7,r6c5r7c5|26,r3c3r3c4r3c5r4c3r4c5|11,r0c1r1c1r2c1|8,r5c7r6c7|14,r1c4r2c4|10,r6c6r7c6|12,r4c6r4c7|8,r1c2r1c3|20,r6c0r7c0r7c1r8c0|5,r2c5r2c6|13,r6c8r7c7r7c8r8c8|12,r5c2r5c3|14,r1c5r1c6|9,r6c2r7c2|10,r3c1r3c2", "solution": "513762948247198653869354172782645319156239487934817526398571264471926835625483791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1521, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1523, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-05-20", "puzzle": "11,r5c5r5c6|10,r0c8r1c8r2c8|30,r6c5r7c4r7c5r8c2r8c3r8c4|16,r4c0r4c1|16,r0c0r0c1r0c2r0c3|13,r5c7r6c7|13,r2c0r3c0|17,r6c6r7c6r7c7r7c8|15,r4c2r4c3r5c3|22,r1c0r1c1r1c2r2c2|17,r5c8r6c8|11,r2c1r3c1|15,r8c5r8c6r8c7r8c8|12,r3c5r4c5r4c6|30,r0c4r0c5r0c6r1c3r1c4r2c3|10,r6c0r7c0r8c0|6,r3c2r3c3|5,r4c7r4c8|26,r1c5r1c6r2c5r2c6r3c6|13,r7c1r8c1|23,r2c4r3c4r4c4r5c4r6c4|10,r5c0r5c1r6c1|16,r0c7r1c7|31,r5c2r6c2r6c3r7c2r7c3|17,r2c7r3c7r3c8", "solution": "381475692429386175567192843854231967972658314613749258136527489748913526295864731", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1523, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1524, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-05-21", "puzzle": "9,r8c4r8c5|22,r5c0r5c1r5c2r5c3r6c0|20,r1c2r1c3r2c2r2c3|15,r6c3r7c2r7c3|11,r3c0r4c0|14,r0c2r0c3|5,r8c6r8c7|9,r6c1r6c2|19,r1c4r1c5r2c4|14,r6c4r7c4|11,r3c2r4c2|7,r0c4r0c5|8,r7c8r8c8|13,r5c5r6c5|18,r1c6r2c6r2c7|11,r7c5r7c6|9,r4c3r4c4r5c4|11,r0c6r0c7r0c8|12,r5c6r6c6|14,r2c1r3c1r4c1|8,r6c7r7c7|16,r4c6r4c7r5c7|25,r0c0r0c1r1c0r1c1r2c0|17,r5c8r6c8|7,r3c3r3c4|25,r8c0r8c1r8c2r8c3|12,r3c8r4c8|16,r1c7r1c8r2c8|4,r7c0r7c1|23,r2c5r3c5r3c6r3c7r4c5", "solution": "765943281213785694948261573584619327627438915391527468472156839136894752859372146", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1524, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1522, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-20", "puzzle": "13,r5c5r5c6r6c5|22,r0c8r1c8r2c8|19,r6c3r7c2r7c3r8c3|21,r2c7r3c6r3c7r3c8|16,r0c0r0c1r1c0r1c1|4,r4c8r5c8|15,r2c0r2c1|21,r8c0r8c1r8c2|12,r4c1r4c2|13,r0c6r0c7|21,r5c4r6c4r7c4|7,r1c4r2c4|8,r8c4r8c5|17,r3c4r4c3r4c4|13,r0c2r1c2|25,r5c7r6c6r6c7r7c5r7c6|20,r1c5r2c5r3c5|30,r6c8r7c7r7c8r8c6r8c7r8c8|19,r4c5r4c6r4c7|16,r0c3r0c4r0c5r1c3|4,r6c0r7c0|18,r3c0r3c1r4c0r5c0|13,r5c1r5c2r5c3|6,r1c6r1c7r2c6|15,r6c1r6c2r7c1|17,r2c2r2c3r3c2r3c3", "solution": "234815769659247138781639245517384926493726581826591473372958614165473892948162357", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1522, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1525, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-21", "puzzle": 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"13,r6c5r6c6|10,r1c4r2c4|13,r8c3r8c4r8c5|31,r3c3r3c4r3c5r4c3r4c4r4c5|23,r0c0r0c1r0c2|22,r5c5r5c6r5c7r6c7|8,r3c0r3c1|20,r7c5r7c6r8c6|15,r4c7r4c8|11,r0c6r0c7r0c8|20,r5c8r6c8r7c8r8c8|17,r2c2r2c3r3c2r4c2|4,r7c7r8c7|21,r5c0r6c0r7c0r8c0|21,r1c0r1c1r1c2r2c0r2c1|10,r5c4r6c4r7c4|15,r2c5r2c6r3c6r4c6|21,r5c1r5c2r5c3r6c1|21,r0c3r0c4r0c5r1c3r1c5|12,r7c1r8c1|7,r3c7r3c8|11,r6c2r6c3|31,r1c6r1c7r1c8r2c7r2c8|13,r7c2r7c3r8c2|15,r4c0r4c1", "solution": "869173254537426891421985367173894625694352178258761943715639482942518736386247519", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1526, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1529, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-05-22", "puzzle": 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"9,r8c3r8c4|17,r4c1r5c1|12,r1c5r1c6r1c7|8,r7c0r8c0|13,r3c3r3c4|8,r0c2r0c3|13,r8c5r8c6|7,r5c4r5c5|7,r0c8r1c8|14,r7c1r7c2r7c3|14,r3c7r4c7|12,r0c4r0c5|3,r5c6r5c7|8,r1c4r2c4|32,r6c5r6c6r6c7r7c5r7c6r7c7|12,r4c0r5c0|14,r0c6r0c7|11,r5c8r6c8|33,r2c5r2c6r2c7r2c8r3c5r3c6|12,r7c8r8c7r8c8|18,r4c2r4c3r4c4r4c5r4c6|13,r0c0r0c1r1c0|27,r5c2r5c3r6c0r6c1r6c2r6c3|10,r2c0r3c0|14,r8c1r8c2|10,r3c8r4c8|33,r1c1r1c2r1c3r2c1r2c2r2c3|15,r6c4r7c4|6,r3c1r3c2", "solution": "321784956875936241964251378142679583593128467786543129418365792637492815259817634", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1527, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1528, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2010-05-22", "puzzle": 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"24,r4c7r5c5r5c6r5c7|10,r0c4r1c4r2c4|8,r6c5r7c5|20,r2c6r3c6r3c7r4c6|20,r0c0r0c1r1c0r1c1r1c2|19,r4c8r5c8r6c8|9,r2c1r2c2|14,r8c0r8c1|5,r2c8r3c8|17,r0c2r0c3|11,r6c1r7c0r7c1|12,r1c5r2c5|10,r7c2r8c2r8c3|38,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|19,r0c5r0c6r1c6|11,r6c3r7c3|6,r1c7r1c8r2c7|7,r8c5r8c6|12,r5c0r6c0|11,r0c7r0c8|3,r6c6r6c7|16,r2c0r3c0r4c0|29,r7c6r7c7r7c8r8c7r8c8|20,r4c2r5c1r5c2r6c2|11,r1c3r2c3|22,r6c4r7c4r8c4|21,r3c1r3c2r3c3r4c1", "solution": "239814765465937812781265934873629541156348297924571683348756129617492358592183476", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1531, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1532, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-05-23", "puzzle": 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"18,r6c4r6c5r7c5|13,r1c1r2c1r2c2|19,r7c6r8c4r8c5r8c6r8c7|19,r4c2r4c3r4c4r4c5r4c6|31,r0c1r0c2r0c3r0c4r1c2|17,r6c6r6c7r7c7|7,r1c3r2c3r2c4|31,r3c8r4c8r5c8r6c8r7c8r8c8|10,r0c5r0c6|19,r6c2r7c0r7c1r7c2|10,r2c7r2c8|21,r4c1r5c1r5c2r5c3|7,r0c7r0c8|14,r6c3r7c3r7c4|20,r3c1r3c2r3c3r3c4|15,r5c4r5c5r5c6r5c7|17,r1c4r1c5r2c5|11,r8c0r8c1|25,r3c5r3c6r3c7r4c7|7,r6c0r6c1|25,r1c6r1c7r1c8r2c6|17,r8c2r8c3|32,r0c0r1c0r2c0r3c0r4c0r5c0", "solution": "419867325327195468856423791684719532271354689935682147162548973593276814748931256", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1535, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1537, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-25", "puzzle": "6,r5c4r6c4|24,r0c8r1c7r1c8|10,r7c2r8c2r8c3|10,r4c5r4c6|19,r0c3r0c4r0c5|21,r5c5r5c6r6c5|22,r2c2r2c3r3c2r3c3|6,r8c5r8c6|17,r4c1r5c1r5c2|20,r0c0r0c1r0c2r1c0r2c0|9,r5c8r6c8|39,r2c4r3c4r3c5r4c2r4c3r4c4r5c3|23,r7c7r7c8r8c7r8c8|13,r4c7r4c8r5c7|25,r1c1r1c2r1c3r2c1r3c1|20,r7c4r7c5r8c4|12,r2c6r3c6r3c7|12,r6c0r6c1r7c0|12,r1c4r1c5r2c5|12,r6c6r6c7r7c6|15,r2c7r2c8r3c8|20,r6c2r6c3r7c3|6,r0c6r0c7r1c6|15,r7c1r8c0r8c1|17,r3c0r4c0r5c0", "solution": "465289137371654298298713564923478615786531942154926873519847326642395781837162459", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1537, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1538, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-05-25", "puzzle": "12,r5c3r5c4|32,r1c1r2c1r3c1r3c2r4c1r4c2|14,r7c4r7c5|10,r3c4r3c5|12,r0c5r0c6r1c6|16,r4c8r5c8r6c8|19,r2c2r2c3r2c4|21,r7c6r8c4r8c5r8c6|4,r2c6r3c6|24,r0c7r0c8r1c7r1c8|9,r6c0r6c1|11,r1c5r2c5|13,r7c8r8c7r8c8|7,r3c7r3c8|16,r0c0r0c1r1c0|7,r6c3r7c3|9,r2c7r2c8|22,r7c0r7c1r8c0r8c1|10,r5c0r5c1|18,r0c2r0c3r0c4r1c2|18,r6c4r6c5r6c6|16,r2c0r3c0r4c0|14,r7c2r8c2r8c3|3,r5c2r6c2|9,r1c3r1c4|36,r4c6r4c7r5c6r5c7r6c7r7c7|23,r3c3r4c3r4c4r4c5r5c5", "solution": "168523794973184265524697318739846152456712983281935647812359476397468521645271839", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1538, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1536, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-05-25", "puzzle": 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"24,r5c0r5c1r5c2r6c0r6c1|7,r0c4r1c4|15,r7c0r8c0r8c1r8c2|6,r2c3r3c2r3c3|11,r0c0r0c1|23,r4c3r4c5r5c3r5c4r5c5|10,r1c5r1c6|14,r7c8r8c6r8c7r8c8|12,r2c5r3c5r3c6|8,r0c2r0c3|22,r5c6r5c7r5c8r6c7r6c8|28,r1c0r2c0r3c0r3c1r4c0|9,r4c1r4c2|8,r0c5r0c6|24,r6c2r7c1r7c2r7c3|18,r1c1r2c1r2c2|20,r2c4r3c4r4c4|14,r0c7r0c8|38,r6c3r6c4r6c5r7c4r8c3r8c4r8c5|13,r1c7r2c6r2c7|12,r4c6r4c7|11,r1c2r1c3|25,r6c6r7c5r7c6r7c7|33,r1c8r2c8r3c7r3c8r4c8", "solution": "921745368745638219386192754463259187872461935159873426634527891598314672217986543", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1541, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1544, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-05-27", "puzzle": "21,r6c5r6c6r6c7r7c5|10,r0c8r1c8r2c8|31,r6c8r7c7r7c8r8c7r8c8|26,r3c5r4c3r4c4r4c5r5c3|28,r0c0r0c1r1c0r1c1r2c0|8,r6c0r7c0r8c0|16,r1c3r2c1r2c2r2c3|15,r3c6r4c6|20,r0c2r0c3r1c2|27,r7c1r7c2r8c1r8c2|19,r2c4r2c5r2c6r3c4|28,r4c8r5c5r5c6r5c7r5c8|8,r0c4r0c5|15,r7c3r7c4|13,r2c7r3c7r3c8r4c7|20,r4c1r5c0r5c1r6c1|6,r1c4r1c5|7,r8c3r8c4|29,r3c0r3c1r3c2r3c3r4c0|12,r5c4r6c2r6c3r6c4|26,r0c6r0c7r1c6r1c7|11,r7c6r8c5r8c6|9,r4c2r5c2", "solution": "435671982879542361612893547364928715721456839958317624546239178193784256287165493", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1544, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1543, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-27", "puzzle": "3,r6c2r7c2|3,r1c4r2c4|12,r8c6r8c7|16,r3c4r4c4r5c4|24,r0c3r0c4r0c5|13,r6c4r7c4|16,r1c5r2c5r3c5|37,r4c7r4c8r5c7r5c8r6c7r7c7|23,r0c0r0c1r0c2r1c0r1c1r1c2|10,r6c6r7c6|23,r2c6r2c7r3c6r3c7r4c6|17,r4c3r5c2r5c3r6c3|34,r0c6r0c7r0c8r1c6r1c7r1c8|11,r6c8r7c8r8c8|10,r2c0r3c0|16,r4c5r5c5r5c6r6c5|35,r2c1r2c2r3c1r3c2r4c2|17,r8c1r8c2|6,r2c8r3c8|15,r6c0r7c0r8c0|18,r1c3r2c3r3c3|17,r7c3r7c5r8c3r8c4r8c5|29,r4c0r4c1r5c0r5c1r6c1r7c1", "solution": "316978524724513698895624371268739415147256839953481267532897146671345982489162753", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1543, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1542, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-05-27", "puzzle": "30,r6c6r7c5r7c6r7c7r8c6r8c7|11,r4c7r4c8|20,r1c6r1c7r2c6r2c7|23,r6c3r6c4r6c5|12,r3c4r3c5|12,r0c3r0c4|15,r7c8r8c8|8,r5c0r6c0|6,r0c8r1c8|14,r5c7r6c7|12,r3c6r3c7|10,r0c6r0c7|17,r8c1r8c2|9,r5c1r5c2|10,r2c1r3c1|6,r7c0r8c0|15,r2c8r3c8|9,r0c0r1c0|7,r8c4r8c5|15,r5c3r5c4|14,r2c3r2c4r2c5|15,r6c1r6c2r7c1r7c2|16,r4c0r4c1|31,r0c1r0c2r1c1r1c2r1c3r2c2|8,r4c6r5c5r5c6|13,r2c0r3c0|8,r7c3r7c4r8c3|12,r4c3r4c4r4c5|11,r0c5r1c4r1c5|6,r5c8r6c8|10,r3c2r3c3r4c2", "solution": "617394825349852761582671349824139576975426183163785294731968452456217938298543617", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1542, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1545, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-05-28", "puzzle": "14,r7c7r8c7|12,r4c7r4c8|6,r1c5r1c6|15,r6c3r6c4|15,r2c0r3c0|15,r0c2r0c3|8,r7c8r8c8|7,r5c2r5c3|7,r0c7r0c8r1c7|11,r6c6r7c6|17,r2c1r3c1r3c2r4c2|15,r0c5r0c6|5,r8c2r8c3|18,r4c6r5c6r5c7r6c7|10,r1c2r2c2|17,r7c1r8c0r8c1|12,r3c5r3c6|13,r0c0r1c0|10,r8c5r8c6|7,r5c8r6c8|12,r2c4r2c5|12,r7c2r7c3|12,r4c0r4c1|5,r0c1r1c1|11,r5c0r6c0r7c0|19,r2c6r2c7r3c7|19,r6c5r7c4r7c5r8c4|33,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|15,r0c4r1c3r1c4r2c3|16,r5c1r6c1r6c2|17,r1c8r2c8r3c8", "solution": "527839614839641527641257398956318472482576139713492856378965241165724983294183765", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1545, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1546, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-28", "puzzle": 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"16,r5c5r5c6r5c7|11,r1c6r1c7r2c7|28,r5c4r6c3r6c4r7c3r7c4|18,r3c2r3c3r4c2|18,r0c1r0c2r0c3|22,r6c0r6c1r7c0r8c0|13,r0c8r1c8|9,r7c5r7c6|10,r3c4r4c4r4c5r4c6|6,r0c6r0c7|8,r5c2r6c2|8,r1c5r2c4r2c5|9,r8c1r8c2|11,r4c7r4c8|8,r0c0r1c0|10,r6c5r6c6|29,r2c0r2c1r3c0r3c1r4c0r4c1|6,r8c3r8c4|11,r5c0r5c1|18,r1c1r1c2r2c2|27,r5c8r6c7r6c8r7c7r7c8r8c8|26,r2c6r3c5r3c6r3c7|19,r8c5r8c6r8c7|11,r4c3r5c3|29,r0c4r0c5r1c3r1c4r2c3|9,r7c1r7c2|15,r2c8r3c8", "solution": "391876245564392718278415936152743869689521374743689521815234697427968153936157482", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1547, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1548, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-05-29", "puzzle": "15,r6c7r7c7r8c7|24,r4c6r4c7r4c8r5c6r5c7|19,r1c4r1c5r1c6|12,r6c4r6c5r6c6|5,r3c5r3c6|13,r0c3r0c4r1c3|3,r7c8r8c8|5,r5c0r5c1|9,r0c7r1c7|22,r6c0r7c0r8c0|15,r3c7r3c8|6,r0c5r0c6|8,r8c2r8c3|14,r5c2r5c3|17,r0c8r1c8r2c8|13,r7c1r8c1|33,r3c1r3c2r4c0r4c1r4c2|13,r0c0r1c0|19,r7c5r8c4r8c5|18,r3c4r4c4r5c4|17,r2c2r2c3r2c4|12,r7c2r7c3r7c4|9,r3c3r4c3|14,r0c1r1c1r2c1|11,r5c8r6c8|14,r2c5r2c6r2c7|15,r7c6r8c6|7,r4c5r5c5|10,r0c2r1c2|9,r6c1r6c2r6c3|4,r2c0r3c0", "solution": "689312475741965823325487169158743296497256318236891754912634587564178932873529641", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1548, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1549, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-05-29", "puzzle": "20,r6c3r6c4r6c5r7c4|4,r1c2r2c2|45,r8c0r8c1r8c2r8c3r8c4r8c5r8c6r8c7r8c8|36,r3c2r4c2r4c3r5c2r5c3r6c2|17,r0c0r0c1r0c2|11,r5c8r6c8r7c8|15,r2c4r3c4|11,r4c4r5c4|16,r0c6r0c7r0c8|11,r6c1r7c1|8,r1c6r2c6|32,r3c6r4c5r4c6r5c5r5c6r6c6|32,r1c0r1c1r2c0r2c1r3c1|7,r7c2r7c3|11,r2c3r3c3|17,r3c8r4c7r4c8r5c7|28,r0c3r0c4r0c5r1c3r1c4r1c5|3,r7c5r7c6|10,r2c5r3c5|20,r5c0r6c0r7c0|24,r1c7r1c8r2c7r2c8r3c7|14,r6c7r7c7|13,r3c0r4c0r4c1r5c1", "solution": "827543619693817524541296378185964732279135846436782951758429163964351287312678495", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1549, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1550, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-05-29", "puzzle": "42,r5c0r5c1r6c0r6c1r7c0r7c1r8c0r8c1|8,r0c7r1c7|7,r7c3r8c3|5,r3c0r4c0|9,r0c3r0c4|27,r5c3r5c4r6c3r6c4r6c5|8,r0c8r1c8|14,r7c4r8c4r8c5|15,r3c3r4c3|20,r0c0r1c0r2c0|4,r6c6r6c7|27,r1c3r1c4r2c3r2c4r3c4|15,r8c6r8c7r8c8|24,r4c4r4c5r4c6r5c5r5c6|23,r0c1r1c1r2c1r3c1r4c1|8,r7c2r8c2|8,r2c2r3c2|19,r4c2r5c2r6c2|10,r0c2r1c2|17,r7c5r7c6|8,r2c5r3c5r3c6|28,r3c8r4c7r4c8r5c7r5c8|21,r0c5r0c6r1c5r1c6r2c6|17,r6c8r7c7r7c8|21,r2c7r2c8r3c7", "solution": "972183456548796132631245798387651249216974583459832671864529317725318964193467825", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1550, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1551, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-05-30", "puzzle": 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"13,r8c2r8c3r8c4|14,r4c7r4c8|9,r0c8r1c8|8,r6c7r6c8|4,r3c7r3c8|14,r0c0r0c1r1c0|15,r7c6r7c7r8c6r8c7|10,r5c2r5c3|10,r1c1r2c0r2c1|18,r6c2r6c3r7c2r7c3|18,r3c0r4c0r5c0|21,r0c2r0c3r0c4|22,r5c5r5c6r6c5r6c6|21,r1c4r2c4r3c4|12,r7c5r8c5|14,r3c1r4c1r5c1|16,r0c6r0c7r1c6r1c7|9,r5c7r5c8|13,r2c7r2c8|16,r7c8r8c8|11,r4c2r4c3r4c4|21,r1c2r1c3r2c2r2c3|16,r6c0r6c1r7c1|11,r3c2r3c3|18,r7c0r8c0r8c1|13,r4c5r4c6|10,r0c5r1c5|9,r5c4r6c4r7c4|19,r2c5r2c6r3c5r3c6", "solution": "417592368936478251258361794749286513523714986681935472194827635365149827872653149", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1560, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1561, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-02", "puzzle": 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"14,r5c0r6c0r7c0|15,r2c2r2c3|7,r7c5r7c6|17,r3c2r3c3r4c2|7,r0c1r0c2|13,r5c1r5c2r6c1|22,r1c6r1c7r1c8r2c6r2c7|26,r7c4r8c3r8c4r8c5r8c6|7,r4c3r5c3|12,r0c7r0c8|23,r6c2r6c3r6c4r7c3|13,r2c4r3c4|14,r7c8r8c7r8c8|12,r4c4r4c5r5c4|12,r0c0r1c0|5,r6c5r6c6|31,r0c5r0c6r1c5r2c5r3c5r3c6|29,r3c7r4c6r4c7r4c8r5c5r5c6|20,r0c3r0c4r1c3r1c4|22,r6c7r6c8r7c7|11,r2c8r3c8|9,r5c7r5c8|28,r1c1r1c2r2c0r2c1r3c0r3c1|27,r7c1r7c2r8c0r8c1r8c2|9,r4c0r4c1", "solution": "452816739891743625736952184263584917189637542574129863627391458318475296945268371", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1562, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1564, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-03", "puzzle": 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"11,r7c4r7c5r7c6r7c7|17,r3c4r4c4r5c4|10,r1c1r1c2r1c3r1c4|8,r6c0r7c0|14,r2c6r3c5r3c6|15,r0c1r0c2|20,r5c8r6c8r7c8r8c8|12,r4c5r5c5|20,r1c5r1c6r2c5|11,r6c1r7c1|18,r3c7r3c8r4c8|12,r0c3r0c4|13,r8c0r8c1|12,r4c6r5c6|3,r2c1r2c2|15,r6c4r6c5|7,r3c1r4c1|4,r0c5r0c6|3,r8c2r8c3|9,r4c7r5c7|13,r2c3r2c4|10,r6c6r6c7|14,r3c2r4c2|7,r0c7r0c8|11,r8c4r8c5|19,r4c0r5c0r5c1|13,r1c7r2c7|20,r6c3r7c2r7c3|8,r3c3r4c3|21,r0c0r1c0r2c0r3c0|10,r8c6r8c7|15,r5c2r5c3r6c2|10,r1c8r2c8", "solution": "769843125843125697512769843156372489328594761974618532235487916687931254491256378", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1566, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1567, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-04", "puzzle": 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"3,r5c6r6c6|19,r0c7r0c8r1c7r1c8r2c8|14,r7c3r7c4|32,r2c4r2c5r3c4r4c4r5c4r6c3r6c4|20,r0c4r0c5r0c6|14,r5c7r5c8|10,r2c0r2c1|5,r7c5r8c5|13,r2c7r3c7|9,r0c0r1c0|30,r4c2r4c3r5c2r5c3r6c2r7c2|11,r2c3r3c3|23,r7c6r7c7r8c6r8c7|20,r4c0r4c1r5c0|23,r0c1r0c2r1c1r1c2|5,r5c5r6c5|33,r1c6r2c6r3c5r3c6r4c5r4c6|9,r7c8r8c8|14,r3c8r4c7r4c8|6,r0c3r1c3|12,r6c7r6c8|4,r3c0r3c1|20,r8c2r8c3r8c4|15,r5c1r6c1|9,r1c4r1c5|24,r6c0r7c0r7c1r8c0r8c1|8,r2c2r3c2", "solution": "568149723427536819193278654315927486942865371786413295679352148251684937834791562", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1570, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1569, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-05", "puzzle": "11,r7c3r8c3|23,r4c1r5c0r5c1|10,r0c7r0c8r1c7|7,r6c4r7c4|12,r3c2r3c3|10,r0c1r0c2r1c2|13,r6c8r7c8r8c8|7,r5c2r6c2|13,r1c1r2c1|7,r6c5r6c6|21,r2c5r3c4r3c5|21,r0c3r0c4r1c3|17,r7c5r8c4r8c5|17,r5c3r5c4r6c3|10,r2c2r2c3|14,r6c7r7c7|10,r2c6r3c6|14,r0c0r1c0r2c0|15,r7c6r8c6r8c7|4,r5c5r5c6|4,r1c4r2c4|10,r7c1r8c0r8c1|19,r3c7r3c8r4c7|11,r0c5r1c5|16,r4c8r5c7r5c8|12,r1c8r2c7r2c8|12,r7c2r8c2|21,r4c2r4c3r4c4r4c5r4c6|17,r0c6r1c6|21,r6c0r6c1r7c0|6,r3c0r3c1r4c0", "solution": "236485917741936825598217643127568439384192576965743182872654391613829754459371268", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1569, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1571, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-06-05", "puzzle": 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"24,r5c5r5c6r6c5r7c5|3,r1c8r2c8|19,r6c6r7c6r8c6|10,r4c2r5c2|37,r0c0r0c1r0c2r0c3r1c0r1c1r2c0r2c1|24,r5c8r6c8r7c8r8c8|30,r2c2r2c3r2c4r2c5r3c2r3c3|14,r5c7r6c7r7c7r8c7|17,r1c2r1c3|6,r7c0r7c1r8c0|11,r3c4r3c5|26,r3c0r4c0r5c0r6c0|12,r0c4r0c5r1c4|16,r6c2r7c2|13,r3c1r4c1|7,r5c1r6c1|30,r0c6r0c7r0c8r1c5r1c6r1c7|8,r7c3r7c4|25,r4c3r4c4r4c5r5c3r5c4|10,r6c3r6c4|25,r2c6r2c7r3c6r3c7r4c6r4c7|26,r8c1r8c2r8c3r8c4r8c5|12,r3c8r4c8", "solution": "491253786678941352532867491783429165954618237216375948867194523129536874345782619", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1573, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1574, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-06-06", "puzzle": "6,r5c0r6c0|19,r0c7r0c8r1c7r1c8|13,r7c5r7c6|14,r3c1r4c0r4c1|12,r0c2r0c3|19,r5c1r6c1r6c2r7c2|11,r2c3r2c4|15,r7c3r8c2r8c3|11,r3c2r4c2|10,r0c5r0c6|5,r6c3r6c4|7,r2c0r3c0|21,r7c4r8c4r8c5|6,r3c6r4c6|40,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|22,r5c5r5c6r6c5r6c6|29,r3c3r3c4r4c3r4c4r4c5r5c4|21,r6c8r7c7r7c8r8c6r8c7r8c8|14,r5c2r5c3|14,r0c4r1c3r1c4|15,r5c7r6c7|12,r2c5r3c5|16,r4c7r4c8r5c8|16,r1c5r1c6r2c6r2c7|20,r7c0r7c1r8c0r8c1|17,r2c8r3c7r3c8", "solution": "534861972897352146162479583618723459943685217275914368456237891381596724729148635", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1574, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1575, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-07", "puzzle": 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"14,r0c1r0c2r0c3|12,r0c4r0c5|15,r0c6r0c7r0c8r1c6|20,r0c0r1c0r2c0r2c1|10,r1c1r1c2|15,r1c7r1c8|17,r1c3r2c3|7,r1c4r2c4|9,r1c5r2c5r2c6|19,r2c7r2c8r3c7r3c8|15,r2c2r3c2r3c3|11,r3c0r4c0|5,r3c1r4c1|17,r4c2r5c2|7,r3c6r4c6|13,r4c7r5c7|9,r4c8r5c8|36,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|17,r5c5r5c6r6c6|14,r5c0r5c1r6c0r6c1|14,r6c2r6c3r7c3|10,r6c4r7c4|15,r6c5r7c5|14,r7c0r7c1|12,r7c6r7c7|12,r6c7r6c8r7c8r8c8|18,r7c2r8c0r8c1r8c2|7,r8c3r8c4|21,r8c5r8c6r8c7", "solution": "692357418573814269814962375725698134439571682168243957346789521957126843281435796", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1588, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1589, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-06-11", "puzzle": "22,r0c2r0c3r0c4r0c5r0c6|23,r0c0r0c1r1c0r1c1|22,r0c7r0c8r1c7r1c8|13,r2c0r2c1|26,r1c3r1c4r1c5r2c3r2c5|8,r2c7r2c8|3,r2c4r3c4|13,r3c0r4c0r4c1|26,r1c2r2c2r3c1r3c2r4c2|21,r3c3r4c3r5c3r6c3r7c3|21,r3c5r4c5r5c5r6c5r7c5|30,r1c6r2c6r3c6r3c7r4c6|12,r3c8r4c7r4c8|13,r5c0r5c1r6c1|12,r4c4r5c4|15,r5c7r5c8r6c7|7,r5c2r6c2|21,r6c4r7c4r8c4|13,r5c6r6c6|10,r6c0r7c0r8c0|20,r6c8r7c8r8c8|31,r7c1r7c2r8c1r8c2r8c3|23,r7c6r7c7r8c5r8c6r8c7", "solution": "953846127812357694674912853369721548285694731741538962526183479498275316137469285", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1589, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1591, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-06-12", "puzzle": 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"18,r0c0r0c1r1c0|9,r0c2r0c3|7,r0c4r0c5|18,r1c4r1c5r2c4|3,r0c6r1c6|12,r0c7r1c7|16,r0c8r1c8|21,r1c1r1c2r2c1r2c2|7,r1c3r2c3|13,r2c5r2c6|9,r2c7r2c8|3,r2c0r3c0|5,r3c1r3c2|12,r3c5r3c6|15,r3c7r3c8|20,r3c3r3c4r4c3r4c4|8,r4c6r4c7|11,r4c0r5c0|23,r4c1r4c2r5c1|32,r4c5r5c4r5c5r5c6r6c5r6c6|6,r4c8r5c8|6,r6c0r6c1|14,r5c2r6c2|8,r5c3r6c3|16,r5c7r6c7r6c8|12,r7c0r7c1|8,r6c4r7c4|22,r7c5r7c6r8c6|11,r7c7r7c8r8c7r8c8|9,r8c0r8c1|9,r7c2r8c2|10,r7c3r8c3|12,r8c4r8c5", "solution": "934561287658372149271498563123845796486719352795623814519236478842957631367184925", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1590, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1592, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-06-12", "puzzle": 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"7,r0c0r0c1|19,r0c2r0c3r0c4r1c4|12,r0c5r0c6r0c7|15,r1c2r1c3r2c3|18,r1c5r1c6r2c6|19,r0c8r1c7r1c8|12,r1c0r2c0|14,r1c1r2c1r2c2|13,r2c4r2c5|6,r2c7r2c8|8,r3c2r3c3r3c4|11,r3c5r3c6|10,r3c7r3c8|12,r3c0r4c0|17,r3c1r4c1|19,r4c2r4c3r4c4r4c5r4c6|14,r4c7r5c7|7,r4c8r5c8|6,r5c0r5c1|10,r5c2r5c3|21,r5c4r5c5r5c6|4,r6c0r6c1|11,r6c3r6c4|18,r6c6r6c7r7c7|3,r6c8r7c8|14,r7c0r7c1r8c0|14,r6c2r7c2r7c3|22,r6c5r7c5r7c6|20,r8c1r8c2r8c3|14,r7c4r8c4r8c5r8c6|15,r8c7r8c8", "solution": "614853279958127346372694815793415628586372194421986753135748962847269531269531487", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1593, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1594, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-13", "puzzle": 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"15,r0c0r0c1r1c0|8,r0c2r0c3|19,r0c6r0c7r0c8r1c8|17,r1c1r1c2r1c3r2c2|8,r0c4r1c4|15,r0c5r1c5|26,r1c6r1c7r2c7r2c8r3c7|16,r2c0r3c0|12,r2c1r3c1|17,r2c3r2c4r3c3r3c4|12,r2c5r2c6r3c5|18,r4c0r4c1r5c0|14,r3c2r4c2r5c2|6,r4c3r4c4r4c5|19,r3c6r4c6r5c6|20,r3c8r4c7r4c8|19,r5c3r6c2r6c3|18,r5c4r5c5r6c4r6c5|12,r5c7r6c7|8,r5c8r6c8|23,r5c1r6c0r6c1r7c1r7c2|8,r7c3r8c3|14,r7c4r8c4|14,r6c6r7c5r7c6r7c7|20,r7c0r8c0r8c1r8c2|11,r8c5r8c6|16,r7c8r8c7r8c8", "solution": "845319627321876954796524183932467815578132469614985732283741596157693248469258371", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1595, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1596, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-14", "puzzle": "18,r0c1r0c2r0c3|9,r0c5r0c6|15,r0c7r0c8|5,r0c0r1c0|12,r1c1r1c2r1c3|9,r0c4r1c4|19,r1c5r1c6r2c5r2c6|11,r2c2r2c3r2c4|15,r1c7r2c7|7,r1c8r2c8|21,r2c0r3c0r4c0|15,r2c1r3c1|12,r3c3r3c4|18,r3c5r4c5r4c6r5c5r6c5|12,r3c6r3c7|9,r3c2r4c2|29,r4c3r4c4r5c3r5c4r6c4|13,r3c8r4c8|12,r4c1r5c0r5c1|10,r4c7r5c7r6c7|4,r6c0r6c1|10,r5c2r6c2|17,r6c3r7c3r7c4|14,r5c6r6c6|7,r5c8r6c8|6,r7c1r7c2|8,r7c5r7c6|17,r7c7r7c8|14,r7c0r8c0|14,r8c1r8c2|20,r8c3r8c4r8c5r8c6|3,r8c7r8c8", "solution": "296314578315687294784259163571842936928563417463791852137928645642175389859436721", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1596, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1597, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-14", "puzzle": 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"12,r0c0r0c1|9,r0c2r0c3|15,r1c0r1c1r2c0|8,r0c4r1c4|13,r0c5r1c5|14,r0c6r0c7r1c6|14,r0c8r1c8|26,r1c2r2c1r2c2r3c1r3c2|22,r1c3r2c3r2c4r2c5|10,r1c7r2c6r2c7|9,r3c6r3c7|12,r2c8r3c8|9,r3c0r4c0|6,r4c1r4c2|9,r3c3r4c3|22,r3c4r3c5r4c4r5c3r5c4|14,r4c5r5c5|11,r4c6r4c7|5,r4c8r5c8|12,r5c0r6c0|7,r5c1r5c2|11,r6c1r6c2r7c1|14,r6c3r6c4r6c5r7c5|35,r5c6r5c7r6c6r6c7r7c6|14,r7c0r8c0|16,r7c2r8c1r8c2|13,r7c3r8c3|15,r7c4r8c4|13,r6c8r7c7r7c8|5,r8c5r8c6|10,r8c7r8c8", "solution": "397256148182437956654918327769342815215689473843175692436721589928564731571893264", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1599, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1598, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-06-14", "puzzle": "7,r0c5r0c6|38,r0c7r0c8r1c7r1c8r2c7r2c8r3c7|31,r0c0r1c0r2c0r2c1r2c2|17,r0c1r0c2r0c3r1c1|12,r1c2r1c3|6,r0c4r1c4|16,r1c5r1c6|5,r2c4r2c5|13,r2c3r3c3r3c4|11,r2c6r3c6r4c6|38,r3c0r3c1r3c2r4c0r4c1r5c0r5c1r5c2|18,r4c2r4c3r4c4|9,r3c5r4c5|20,r3c8r4c7r4c8|31,r5c3r5c4r5c5r5c6r5c7r5c8r6c3|16,r6c4r6c5r6c6|25,r6c7r7c6r7c7r8c6r8c7|39,r6c0r6c1r7c0r7c1r8c0r8c1r8c2|6,r6c2r7c2|18,r7c3r7c4r7c5r8c5|15,r6c8r7c8r8c8|14,r8c3r8c4", "solution": "823756194654819723719432658346185279187924365592673841931247586475368912268591437", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1598, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1600, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-15", "puzzle": "9,r0c3r1c3|6,r0c6r0c7|14,r0c0r1c0|10,r0c1r1c1|10,r0c2r1c2|15,r0c4r0c5r1c4|14,r0c8r1c8|21,r1c5r1c6r2c4r2c5|16,r1c7r2c7r2c8r3c8|25,r2c0r2c1r2c2r2c3r3c1r3c2|11,r3c3r3c4|24,r2c6r3c6r4c6|3,r3c0r4c0|4,r3c5r4c5|15,r3c7r4c7|16,r4c1r5c0r5c1|15,r4c2r5c2|13,r4c3r5c3|15,r4c4r5c4|11,r5c5r5c6r5c7|14,r4c8r5c8r6c8r7c8|16,r6c0r6c1r7c1|5,r6c6r6c7|10,r6c2r7c2|17,r6c3r6c4r7c3r7c4|13,r6c5r7c5|27,r7c0r8c0r8c1r8c2r8c3r8c4|36,r7c6r7c7r8c5r8c6r8c7r8c8", "solution": "963715428547298316821346975274561893159483762386972541698154237712839654435627189", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1600, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1601, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-06-15", "puzzle": "11,r0c3r0c4|14,r0c6r1c6|27,r0c0r0c1r0c2r1c2|14,r0c5r1c3r1c4r1c5|25,r0c7r0c8r1c7r1c8r2c8r3c8|20,r1c0r2c0r3c0r3c1r4c0|14,r1c1r2c1r2c2|29,r2c3r2c4r2c5r2c6r2c7|29,r3c3r3c4r3c5r4c4r4c5|24,r3c6r3c7r4c6r4c7|12,r3c2r4c2r4c3|31,r4c1r5c0r5c1r5c2r5c3r6c3|8,r5c4r5c5|24,r5c6r5c7r6c7r6c8|6,r4c8r5c8|15,r6c1r6c2|5,r6c5r6c6|18,r6c0r7c0r7c1r7c2|38,r6c4r7c4r7c5r7c6r8c4r8c5r8c6|20,r7c3r8c0r8c1r8c2r8c3|21,r7c7r7c8r8c7r8c8", "solution": "496831527378265914152947368825419673614378295739526841287654139961783452543192786", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1601, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1603, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-06-16", "puzzle": "13,r0c2r0c3r0c4|21,r0c5r0c6r0c7r1c6|16,r0c0r0c1r1c0|6,r0c8r1c8|21,r1c1r2c1r3c1|9,r1c2r2c2|20,r1c3r1c4r2c3r2c4|10,r1c5r2c5|22,r1c7r2c7r2c8|21,r2c0r3c0r4c0r5c0|12,r3c2r3c3|12,r2c6r3c6r3c7|18,r4c1r4c2r4c3r5c3|22,r3c4r4c4r5c4|17,r3c5r4c5r4c6r4c7|12,r5c1r5c2r6c2|13,r5c5r5c6|16,r3c8r4c8r5c8r6c8|11,r6c0r6c1r7c1|9,r6c3r7c3|23,r6c4r6c5r7c4r7c5|10,r6c6r7c6|6,r5c7r6c7r7c7|4,r7c0r8c0|19,r7c8r8c7r8c8|26,r7c2r8c1r8c2r8c3|16,r8c4r8c5r8c6", "solution": "913825764685147392274963158869352471432791685751684923526419837348576219197238546", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1603, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1602, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-16", "puzzle": 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"27,r0c2r0c3r0c4r0c5r0c6r1c4|16,r0c0r1c0|8,r0c1r1c1|15,r0c7r1c7|11,r0c8r1c8|25,r1c2r2c1r2c2r3c1|18,r1c6r2c6r2c7r3c7|12,r2c0r3c0|14,r1c3r2c3r3c2r3c3|5,r2c4r3c4|21,r1c5r2c5r3c5r3c6|8,r2c8r3c8|6,r4c0r4c1|33,r4c2r4c3r4c4r4c5r4c6|6,r4c7r4c8|24,r5c2r5c3r6c2|13,r5c5r5c6r6c6|9,r5c0r5c1r6c0|11,r5c4r6c4|9,r5c7r5c8r6c8|10,r6c1r7c1|20,r6c3r6c5r7c3r7c4r7c5|14,r6c7r7c7|5,r7c0r8c0|21,r7c2r8c1r8c2|18,r8c3r8c4r8c5|12,r7c6r8c6r8c7|14,r7c8r8c8", "solution": "951468372736251489482739561894125637513687924627943815168574293349812756275396148", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1611, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1612, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-19", "puzzle": "20,r0c3r0c4r1c4r1c5|10,r0c5r0c6|11,r0c0r1c0|28,r0c1r0c2r1c1r2c1|7,r1c2r1c3|23,r0c7r1c6r1c7r2c6r2c7|11,r0c8r1c8|14,r2c2r2c3r3c2r3c3|24,r2c4r2c5r3c4|23,r2c0r3c0r4c0r5c0r6c0|13,r3c1r4c1r4c2r5c1|5,r3c6r3c7|6,r2c8r3c8|9,r4c3r4c4|18,r3c5r4c5r5c5|19,r4c6r4c7r4c8|8,r5c6r5c7|10,r5c8r6c8|25,r5c2r5c3r6c2r6c3|15,r5c4r6c4r6c5|11,r7c0r8c0|16,r6c1r7c1r8c1r8c2|15,r7c2r7c3|26,r6c6r6c7r7c6r7c7r8c7|12,r7c8r8c8|18,r7c4r7c5r8c3r8c4|8,r8c5r8c6", "solution": "584261973672539148193487562756198324931724856248356719465973281829615437317842695", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1612, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1613, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-06-19", "puzzle": "24,r0c0r0c1r1c0|12,r0c2r0c3|3,r0c4r0c5|9,r0c7r0c8r1c7|14,r1c3r1c4|13,r1c1r1c2r2c1|13,r2c2r2c3r3c2|16,r1c5r2c4r2c5|27,r0c6r1c6r2c6r2c7|23,r1c8r2c8r3c7r3c8r4c8|5,r2c0r3c0|10,r3c1r4c1|12,r3c6r4c6r4c7|8,r4c0r5c0|17,r4c2r5c1r5c2|45,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4r5c5|15,r6c3r6c4r7c4|31,r5c6r5c7r6c5r6c6r6c7r7c5r7c6|15,r5c8r6c8|23,r6c0r6c1r6c2r7c2|9,r7c0r7c1r8c0|29,r7c3r8c1r8c2r8c3r8c4|15,r8c5r8c6|17,r7c7r7c8r8c7r8c8", "solution": "895712643734869521162543798486195372329674185571328469947251836613987254258436917", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1613, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1614, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-20", "puzzle": "13,r0c4r0c5r1c4|9,r0c6r0c7r0c8|25,r0c0r0c1r0c2r1c0r2c0|20,r1c1r1c2r2c1r2c2|15,r0c3r1c3|3,r1c5r1c6|12,r1c7r1c8|8,r2c3r2c4|28,r2c6r2c7r2c8r3c8|16,r3c0r3c1|8,r2c5r3c5|10,r3c2r4c2|18,r3c3r3c4r4c3|12,r3c6r4c6|7,r3c7r4c7r4c8|10,r4c0r4c1r5c0|7,r5c2r5c3|24,r4c4r4c5r5c4r5c5|13,r5c6r5c7|5,r5c1r6c1|9,r6c3r6c4|17,r5c8r6c8|15,r6c0r7c0r8c0|22,r7c3r7c4r8c4|10,r6c5r7c5|14,r6c6r6c7r7c6|18,r7c7r7c8r8c7r8c8|15,r7c1r8c1|15,r6c2r7c2r8c2r8c3|7,r8c5r8c6", "solution": "756918243389642157421357896978461325632875914145239768814726539293584671567193482", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1614, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1620, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-06-22", "puzzle": "9,r0c0r0c1|9,r0c7r0c8|20,r0c2r0c3r1c1r1c2|5,r1c3r2c3|10,r0c4r1c4r2c4|13,r1c5r2c5|21,r0c5r0c6r1c6r1c7|11,r1c0r2c0|14,r2c1r2c2|14,r2c6r2c7|9,r1c8r2c8|6,r3c1r3c2|28,r3c3r3c4r3c5r4c4|7,r3c6r3c7|9,r3c0r4c0|11,r4c2r4c3|10,r4c5r4c6|7,r3c8r4c8|12,r4c1r5c1|14,r5c2r5c3|5,r5c5r5c6|15,r4c7r5c7|5,r5c0r6c0|29,r6c1r6c2r6c3r7c2r7c3|7,r5c4r6c4|22,r6c5r6c6r6c7r7c5r7c6|11,r5c8r6c8|17,r7c4r8c4|15,r7c0r8c0|7,r7c1r8c1|5,r8c2r8c3|10,r8c5r8c6|6,r7c7r8c7|12,r7c8r8c8", "solution": "541928736937156248286437591324879165658341972179562384495613827862795413713284659", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1620, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1619, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-06-21", "puzzle": 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"6,r0c2r0c3|9,r0c5r0c6r0c7|11,r0c0r1c0|21,r0c1r1c1r1c2|7,r0c4r1c4|23,r0c8r1c7r1c8|10,r2c1r2c2|21,r1c3r2c3r2c4|10,r1c5r2c5|8,r2c7r2c8|20,r2c0r3c0r3c1r4c0|35,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|18,r1c6r2c6r3c5r3c6|16,r4c1r5c0r5c1|8,r3c2r4c2|10,r4c6r5c6|10,r3c7r3c8r4c7|26,r5c2r5c3r6c2r7c2|23,r4c8r5c7r5c8r6c8|6,r6c0r6c1|4,r6c3r7c3|22,r6c4r6c5r7c5|9,r6c6r6c7|14,r7c0r7c1r8c0|9,r7c4r8c4|15,r7c6r7c7r8c7|10,r7c8r8c8|10,r8c1r8c2r8c3|14,r8c5r8c6", "solution": "871562349395417268264893571186934752942785136753621984429376815638159427517248693", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1615, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1616, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-06-20", "puzzle": "20,r0c0r0c1r0c2r0c3|18,r0c7r0c8r1c7|7,r1c0r1c1|13,r1c2r1c3|16,r0c4r0c5r1c4r1c5|11,r0c6r1c6|34,r2c0r2c1r3c0r3c1r4c1r5c1|21,r2c5r2c6r2c7r3c5r3c6r3c7|10,r1c8r2c8r3c8|27,r2c2r2c3r3c2r3c3|16,r4c2r4c3r5c2r6c2|15,r4c5r4c6|12,r4c0r5c0r6c0|24,r2c4r3c4r4c4r5c3r5c4r6c4|22,r4c7r5c6r5c7r6c6|14,r4c8r5c8|14,r6c7r6c8|12,r6c1r7c1r7c2|6,r6c3r7c3|31,r7c0r8c0r8c1r8c2r8c3|10,r7c4r8c4|31,r5c5r6c5r7c5r7c6r8c5|21,r7c7r7c8r8c6r8c7r8c8", "solution": "165842937437691285829753164698374521352918746741265398284137659913586472576429813", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1616, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1617, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-21", "puzzle": "9,r0c0r0c1|9,r0c2r0c3|10,r0c5r0c6|15,r1c1r1c2r1c3r2c2|8,r0c4r1c4|3,r1c6r2c6|28,r0c7r1c7r2c7r2c8|10,r0c8r1c8|13,r1c0r2c0|11,r2c3r2c4|11,r1c5r2c5|10,r2c1r3c1|15,r3c3r3c4r3c5r3c6|13,r3c7r3c8|17,r3c0r4c0r4c1|12,r3c2r4c2|14,r4c3r4c4r4c5|15,r4c6r5c6|11,r4c7r4c8r5c8|8,r5c0r5c1|27,r5c2r5c3r5c4r5c5|3,r5c7r6c7|14,r6c3r7c3|12,r6c4r6c5|9,r6c8r7c8|11,r7c0r8c0|16,r6c0r6c1r7c1r8c1|16,r6c2r7c2|8,r7c4r8c4|18,r6c6r7c5r7c6r7c7|8,r8c2r8c3|12,r8c5r8c6|9,r8c7r8c8", "solution": "271856493965134287483297165728361549194725836536489712657948321349512678812673954", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1617, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1621, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-22", "puzzle": "8,r0c2r0c3|23,r0c4r0c5r0c6r1c5r1c6r2c6|17,r0c7r0c8|9,r0c0r1c0|30,r0c1r1c1r1c2r2c2r3c2|22,r1c7r1c8r2c7r2c8|21,r2c0r2c1r3c0|8,r1c3r2c3|13,r1c4r2c4r2c5|11,r3c3r3c4r3c5|25,r3c1r4c1r4c2r4c3r4c4r5c1|15,r3c8r4c8|38,r4c0r5c0r5c2r6c0r6c1r6c2|7,r5c7r5c8|13,r5c3r6c3r7c3|17,r5c4r6c4r7c4|35,r5c5r6c5r7c5r7c6r8c5|30,r3c6r3c7r4c5r4c6r4c7r5c6r6c6|21,r6c7r6c8r7c7r7c8r8c8|7,r7c0r8c0|23,r7c1r7c2r8c1r8c2r8c3r8c4|12,r8c6r8c7", "solution": "261754389795238146483691275937542618814963527526187934379825461152476893648319752", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1621, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1624, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-23", "puzzle": "8,r0c0r0c1|10,r0c7r0c8|15,r0c2r1c1r1c2|14,r0c3r1c3|24,r0c4r0c5r0c6r1c4r1c5|6,r1c7r1c8|22,r1c0r2c0r2c1r2c2|16,r2c3r2c4r3c3|17,r1c6r2c5r2c6|12,r2c7r3c7|18,r2c8r3c8r4c8|5,r3c0r4c0|11,r3c1r3c2r4c1|23,r4c6r4c7r5c6r5c7r5c8|17,r5c0r5c1|12,r4c2r5c2|13,r4c3r5c3r6c3|34,r3c4r3c5r3c6r4c4r4c5r5c5|13,r6c1r6c2|13,r5c4r6c4r6c5|24,r6c0r7c0r7c1r8c0r8c1r8c2|33,r7c2r7c3r7c4r7c5r8c3r8c4r8c5|6,r6c6r7c6|5,r6c7r7c7|18,r6c8r7c8r8c8|16,r8c6r8c7", "solution": "264581973783942651951637482136758249425396817897214365349875126678129534512463798", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1624, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1622, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-06-22", "puzzle": "12,r0c0r0c1r0c2|26,r1c0r1c1r1c2r2c0r2c1|19,r0c3r0c4r0c5r1c4r1c5|23,r0c6r0c7r1c6r1c7|9,r0c8r1c8|12,r1c3r2c3|4,r2c7r2c8|28,r3c0r3c1r4c0r4c1r4c2|11,r2c2r3c2|25,r2c4r2c5r2c6r3c4|17,r3c5r3c6r3c7r4c7|20,r4c5r4c6r5c5r5c6|11,r5c2r5c3r6c3|23,r3c8r4c8r5c7r5c8|12,r5c0r6c0|5,r5c1r6c1|34,r3c3r4c3r4c4r5c4r6c4|23,r6c2r7c2r7c3r8c2r8c3|29,r6c7r7c7r8c5r8c6r8c7r8c8|9,r6c8r7c8|16,r7c0r8c0|6,r7c1r8c1|31,r6c5r6c6r7c4r7c5r7c6r8c4", "solution": "561392847389714562247568913194625378675983421832147659426879135913256784758431296", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1622, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1625, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-06-23", "puzzle": "14,r0c3r0c4r0c5r1c5|14,r0c0r1c0r2c0|20,r0c1r0c2r1c1|28,r0c6r0c7r1c6r1c7r2c7r3c7|5,r0c8r1c8|13,r1c2r1c3r2c2|32,r1c4r2c4r3c4r4c4r5c4r6c4r7c4|9,r2c5r2c6|14,r2c1r3c0r3c1|13,r2c3r3c2r3c3|20,r3c5r3c6r4c5|20,r2c8r3c8r4c8|14,r4c1r4c2|11,r4c6r4c7|13,r4c0r5c0r6c0|16,r4c3r5c2r5c3|17,r5c5r5c6r6c5|15,r5c7r5c8r6c7|11,r6c2r6c3|13,r6c6r7c5r7c6|13,r7c0r8c0|23,r5c1r6c1r7c1r7c2r8c1r8c2|13,r7c7r8c6r8c7|19,r6c8r7c8r8c8|25,r7c3r8c3r8c4r8c5", "solution": "896742153453961872271853649524189736168374925937625481349218567715436298682597314", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1625, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1623, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-23", "puzzle": "11,r0c0r0c1|11,r0c2r0c3|27,r0c4r0c5r0c6r0c7r0c8r1c8|5,r1c0r1c1|12,r1c3r1c4r2c4|16,r1c6r1c7|17,r2c0r2c1|5,r1c2r2c2|16,r1c5r2c5r2c6|8,r2c7r2c8|20,r2c3r3c3r4c3|8,r3c4r3c5r4c4|10,r3c6r3c7|17,r3c8r4c7r4c8|28,r3c0r4c0r5c0r6c0r7c0r8c0|16,r4c5r5c5|12,r4c6r5c6|32,r3c1r3c2r4c1r4c2r5c1r5c2r6c2|11,r5c3r6c3|21,r5c4r6c4r7c4|7,r5c7r6c6r6c7|12,r5c8r6c8|13,r6c1r7c1r8c1|10,r6c5r7c5|14,r7c6r7c7r7c8|17,r7c2r8c2|4,r7c3r8c3|16,r8c4r8c5r8c6|9,r8c7r8c8", "solution": "657493128321658794894712653986541372512837469473269815135986247269374581748125936", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1623, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1626, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-24", "puzzle": "9,r0c2r0c3|25,r0c4r0c5r0c6r0c7|12,r0c0r1c0r2c0|13,r0c1r1c1r2c1|17,r1c2r1c3r1c4r2c2|19,r1c6r1c7r2c6r3c6|4,r0c8r1c8|12,r2c3r2c4|11,r1c5r2c5|16,r2c7r2c8|25,r3c0r3c1r4c0r4c1|17,r3c7r3c8|11,r3c2r4c2|12,r3c3r4c3|10,r4c5r5c5|13,r4c6r5c6|8,r5c0r5c1|23,r3c4r3c5r4c4r5c3r5c4|12,r4c7r4c8r5c7r5c8|9,r6c0r6c1|9,r6c3r7c3|11,r6c4r6c5|10,r7c0r8c0|12,r5c2r6c2r7c1r7c2|15,r6c6r7c4r7c5r7c6|15,r6c7r7c7r8c7|16,r6c8r7c8r8c8|26,r8c1r8c2r8c3r8c4|13,r8c5r8c6", "solution": "286397541749215863315486297627541389894732615531968724453829176962173458178654932", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1626, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1627, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-24", "puzzle": "10,r0c0r0c1|26,r0c7r0c8r1c8r2c8r3c8r4c8|25,r0c2r1c0r1c1r1c2r2c0|18,r0c3r0c4r0c5r0c6r1c3|17,r1c5r1c6|26,r2c2r2c3r3c2r3c3r4c2|15,r1c4r2c4|11,r1c7r2c6r2c7|12,r2c1r3c1|26,r2c5r3c5r3c6r4c5|7,r3c0r4c0|35,r3c7r4c7r5c7r5c8r6c8|22,r4c1r5c0r5c1r5c2|5,r4c6r5c6|14,r6c0r7c0|32,r3c4r4c3r4c4r5c3r5c4r6c3r6c4|14,r5c5r6c5r6c6|6,r6c1r7c1|14,r6c2r7c2|31,r7c3r7c4r8c2r8c3r8c4r8c5|9,r7c5r7c6|6,r6c7r7c7|4,r8c0r8c1|6,r8c6r8c7|14,r7c8r8c8", "solution": "283461597465279831791583624134756982659128473872934165526847319948312756317695248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1627, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1628, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-06-24", "puzzle": "18,r0c4r0c5r0c6r0c7|17,r0c0r0c1r1c0|11,r0c2r0c3r1c2|17,r1c5r1c6r2c5|14,r0c8r1c8r2c8|8,r1c1r2c1|17,r1c3r2c3|7,r1c4r2c4|14,r1c7r2c6r2c7|19,r2c0r3c0r3c1|11,r2c2r3c2|13,r3c4r3c5r3c6|24,r3c7r3c8r4c6r4c7r4c8|24,r3c3r4c3r4c4r4c5r5c5|25,r4c0r4c1r4c2r5c0r5c1|12,r5c2r5c3r5c4|17,r5c6r6c6|14,r5c7r5c8r6c8|16,r6c1r6c2r7c1|11,r6c4r7c4|10,r6c5r7c5|13,r6c7r7c7|11,r6c0r7c0r8c0|13,r6c3r7c2r7c3|16,r7c6r8c5r8c6|12,r7c8r8c7r8c8|21,r8c1r8c2r8c3r8c4", "solution": "691325478237814695458967321873456219914782536562193847786241953325679184149538762", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1628, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1629, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-25", "puzzle": 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"40,r0c2r0c3r0c4r0c5r0c6r1c2r1c4r1c6|6,r0c7r0c8|9,r0c0r0c1r1c0|22,r1c1r2c1r2c2r3c2|20,r1c5r2c5r2c6|32,r1c7r1c8r2c7r2c8r3c8|21,r2c0r3c0r3c1|14,r1c3r2c3r3c3|38,r2c4r3c4r3c5r3c6r3c7r4c4r4c6r4c7|13,r4c0r4c1r5c1r5c2|23,r4c2r4c3r5c3r5c4|13,r4c5r5c5r5c6|9,r4c8r5c8|13,r5c0r6c0|11,r6c1r6c2|20,r6c4r6c5r6c6|8,r5c7r6c7|10,r6c8r7c8r8c8|19,r7c0r7c1r8c0|25,r6c3r7c2r7c3r7c4r8c3r8c4|9,r7c5r8c5|10,r8c1r8c2|20,r7c6r7c7r8c6r8c7", "solution": "519387642374926158628415937785163429143792586962854713456239871291578364837641295", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1630, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1632, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-26", "puzzle": "45,r0c0r1c0r2c0r3c0r4c0r5c0r6c0r7c0r8c0|8,r0c1r1c1|20,r0c2r0c3r1c2|19,r0c4r0c5r1c3r1c4|12,r0c6r1c5r1c6|7,r0c7r1c7|20,r0c8r1c8r2c8|16,r2c1r2c2r2c3|9,r2c6r2c7|14,r3c1r3c2r3c3|16,r2c4r2c5r3c4|7,r3c5r3c6|10,r3c7r3c8|9,r4c1r4c2|11,r4c3r4c4|19,r4c5r4c6r4c7r4c8|13,r5c1r5c2r5c3|12,r5c4r6c4r6c5|8,r5c5r5c6|17,r5c7r5c8|9,r6c1r6c2r6c3|17,r6c6r6c7|17,r7c1r8c1|15,r7c2r8c2r8c3|21,r7c3r7c4r8c4r8c5|17,r7c5r7c6r8c6|4,r7c7r8c7|13,r6c8r7c8r8c8", "solution": "463951827928673154157428369849165273672389541315742698534217986781596432296834715", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1632, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1633, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-06-26", "puzzle": "11,r0c4r0c5|8,r0c1r1c1|10,r0c2r0c3r1c2|15,r1c4r1c5|16,r0c6r1c6|20,r0c7r0c8r1c7r1c8|23,r0c0r1c0r2c0r2c1|7,r2c7r2c8|22,r2c2r3c0r3c1r3c2|13,r1c3r2c3r3c3|18,r2c4r2c5r2c6r3c4|24,r3c5r3c6r3c7r3c8r4c7r4c8|29,r4c2r4c3r4c4r4c5r4c6|30,r4c0r4c1r5c0r5c1r5c2r5c3|17,r5c4r6c2r6c3r6c4|7,r5c5r6c5r7c5|27,r5c6r5c7r5c8r6c6|11,r6c0r6c1|20,r6c7r6c8r7c8r8c8|12,r7c0r7c1r8c0r8c1|17,r7c2r8c2|11,r7c3r7c4|15,r7c6r8c5r8c6|10,r7c7r8c7|12,r8c3r8c4", "solution": "457238916231469785986175243592843167814697352673512894745381629368924571129756438", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1633, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1635, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-27", "puzzle": "15,r0c2r0c3r1c3|7,r0c5r0c6|13,r0c0r0c1r1c0|9,r1c1r1c2r2c1|12,r0c4r1c4|17,r1c5r1c6r2c5|10,r0c7r1c7|17,r0c8r1c8|4,r2c6r2c7|18,r2c0r3c0r3c1|26,r2c2r2c3r2c4r3c2r4c2|8,r3c5r3c6|21,r3c7r4c7r4c8r5c7r5c8|11,r2c8r3c8|13,r4c0r4c1|23,r3c3r3c4r4c3r4c4|10,r4c5r4c6|20,r5c5r5c6r6c5r6c6|5,r5c0r6c0|17,r5c1r5c2r6c1|11,r5c3r6c3|9,r5c4r6c4|16,r6c7r6c8|13,r7c0r7c1|10,r6c2r7c2|21,r7c3r7c4r7c5r8c4r8c5|14,r7c7r7c8r8c7r8c8|13,r8c0r8c1|8,r8c2r8c3|14,r7c6r8c6", "solution": "716835249532194768948276315184923576675481932329657481263548197857319624491762853", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1635, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1634, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-06-26", "puzzle": "19,r0c5r0c6r0c7r0c8|26,r0c0r0c1r0c2r0c3r1c0|24,r1c1r1c2r2c1r2c2r3c1|23,r1c3r2c3r2c4r3c3|26,r0c4r1c4r1c5r1c6r2c5r2c6|17,r1c7r1c8|9,r2c7r2c8|5,r2c0r3c0|24,r3c6r3c7r3c8r4c8|13,r3c2r4c1r4c2|38,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|11,r4c6r4c7r5c6|23,r4c0r5c0r5c1r5c2|13,r5c8r6c8|15,r6c0r6c1|4,r7c0r7c1|29,r6c2r6c3r7c2r7c3r7c4r8c4|12,r5c5r6c4r6c5r7c5|24,r5c7r6c6r6c7r7c6r7c7|24,r7c8r8c5r8c6r8c7r8c8|26,r8c0r8c1r8c2r8c3", "solution": "896127534271453689453689172182564793647398215539712846965841327314275968728936451", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1634, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1636, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-27", "puzzle": "28,r0c3r0c4r0c5r0c6r0c7r0c8|15,r0c0r1c0|4,r0c1r1c1|12,r0c2r1c2|3,r1c4r1c5|19,r1c3r2c3r2c4|40,r1c6r1c7r1c8r2c5r2c6r2c7r2c8|18,r2c0r2c1r3c0r3c1|5,r2c2r3c2|7,r3c7r3c8r4c8|22,r3c6r4c6r4c7|36,r4c0r4c1r4c2r5c0r5c1r5c2|26,r3c4r3c5r4c4r4c5r5c5r5c6|11,r5c7r5c8|25,r3c3r4c3r5c3r6c2r6c3r7c3|27,r5c4r6c4r7c4r8c4r8c5|13,r6c0r6c1r7c0|5,r7c1r7c2|21,r6c5r6c6r7c5|16,r6c7r7c7r8c7r8c8|15,r6c8r7c8|27,r8c0r8c1r8c2r8c3|10,r7c6r8c6", "solution": "917486235635712894482935167153867942298543671764291583326178459841359726579624318", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1636, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1637, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-06-27", "puzzle": "22,r0c5r0c6r0c7r0c8|23,r0c0r1c0r2c0r3c0|12,r0c1r1c1|11,r0c2r0c3r1c2|13,r0c4r1c3r1c4|24,r1c6r1c7r1c8r2c6r2c7|13,r2c2r2c3|10,r1c5r2c4r2c5|3,r2c1r3c1|29,r3c3r4c3r4c4r4c5r5c5|12,r3c4r3c5r3c6|19,r2c8r3c8r4c8|14,r4c1r5c1|12,r3c2r4c2|4,r4c6r5c6|10,r3c7r4c7|15,r4c0r5c0r6c0|10,r5c2r5c3r5c4|10,r5c7r6c7|17,r6c3r6c4r7c3|14,r6c5r6c6|24,r6c1r6c2r7c0r7c1r7c2|17,r7c4r7c5r8c4|16,r7c6r8c5r8c6|9,r7c7r8c7|21,r5c8r6c8r7c8r8c8|21,r8c0r8c1r8c2r8c3", "solution": "834629571791385264526741938317962485985174326462538197279456813143897652658213749", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1637, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1638, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-28", "puzzle": "8,r0c0r0c1|25,r0c5r0c6r1c6r2c6r2c7|11,r0c7r0c8|15,r0c2r1c2|6,r0c3r1c3|14,r0c4r1c4|9,r1c7r1c8|9,r1c0r2c0|13,r1c1r2c1r2c2|7,r2c3r2c4|11,r1c5r2c5|23,r3c0r3c1r4c0|25,r3c3r3c4r4c4r5c4r5c5|23,r2c8r3c6r3c7r3c8|11,r3c2r4c1r4c2|14,r4c3r5c3|6,r3c5r4c5|10,r4c6r4c7r5c6|12,r5c0r5c1r5c2r6c0|19,r4c8r5c7r5c8|12,r6c3r7c3|13,r6c4r6c5|17,r6c6r6c7r7c7|5,r6c8r7c8|16,r7c0r7c1|3,r7c4r8c4|10,r7c5r8c5|17,r7c6r8c6|7,r8c0r8c1|28,r6c1r6c2r7c2r8c2r8c3|6,r8c7r8c8", "solution": "356187429749562381281439657697241538813695274524873196162958743975314862438726915", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1638, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1639, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-28", "puzzle": "17,r0c0r0c1r0c2r0c3|20,r0c4r0c5r1c5r2c5|23,r0c6r0c7r0c8r1c6r1c7r1c8|17,r1c3r1c4|14,r1c0r2c0r3c0|10,r1c2r2c2|7,r2c3r2c4|23,r2c6r2c7r2c8r3c7|29,r3c2r3c3r3c4r3c5r3c6|13,r3c8r4c8|19,r1c1r2c1r3c1r4c1|22,r4c2r4c3r4c4r4c5r4c6|19,r4c7r5c7r6c7r7c7|12,r4c0r5c0|20,r5c2r5c3r5c4r5c5r5c6|25,r5c1r6c0r6c1r6c2|13,r6c4r6c5|8,r6c6r7c6|10,r5c8r6c8r7c8|9,r7c4r7c5|28,r7c0r7c1r7c2r8c0r8c1r8c2|19,r6c3r7c3r8c3r8c4|28,r8c5r8c6r8c7r8c8", "solution": "439176852762895143518432679274583916351269487986741235197658324843927561625314798", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1639, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1640, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-06-28", "puzzle": "42,r0c1r0c2r0c3r0c4r0c5r0c6r0c7r0c8|10,r0c0r1c0r2c0|28,r1c1r1c2r2c1r2c2|10,r1c5r1c6r2c6|21,r1c7r1c8r2c8|9,r1c3r1c4r2c3|17,r3c0r3c1r4c0r4c1|20,r2c4r2c5r3c5r3c6|14,r2c7r3c7|12,r3c2r4c2r4c3|13,r4c5r4c6|9,r3c8r4c8|9,r5c2r5c3|26,r3c3r3c4r4c4r5c4r5c5|6,r4c7r5c7|21,r5c0r5c1r6c0|20,r6c1r6c2r7c2r8c2|16,r6c3r6c4r6c5|38,r5c6r6c6r6c7r7c6r7c7r8c6r8c7|9,r5c8r6c8|15,r7c4r7c5r8c5|21,r7c0r7c1r8c0r8c1|14,r7c3r8c3r8c4|5,r7c8r8c8", "solution": "316597248548236179279418365134925687765384912982761453491853726827649531653172894", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1640, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1641, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-06-29", "puzzle": "18,r0c0r0c1r1c0r1c1|6,r0c2r0c3|28,r0c7r0c8r1c7r1c8|11,r1c2r1c3|10,r0c4r1c4|10,r0c5r1c5|7,r0c6r1c6|16,r2c1r2c2|12,r2c3r2c4|11,r2c6r2c7r3c7|15,r2c0r3c0r4c0|16,r3c1r3c2r4c2|19,r2c5r3c4r3c5r3c6|11,r2c8r3c8|4,r3c3r4c3|28,r4c4r4c5r4c6r5c4|17,r4c7r4c8r5c7|8,r4c1r5c0r5c1|15,r5c2r5c3|11,r5c5r5c6r6c6|19,r6c0r6c1r7c0|20,r5c8r6c7r6c8r7c8|29,r6c2r6c3r6c4r6c5r7c2r7c3|4,r7c4r7c5|11,r7c6r7c7|17,r7c1r8c0r8c1|11,r8c2r8c3|10,r8c4r8c5|11,r8c6r8c7r8c8", "solution": "634217589185693247279485316963128475417359862528764193391872654746531928852946731", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1641, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1643, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-06-29", "puzzle": 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"14,r0c2r0c3|10,r0c4r0c5|3,r0c6r0c7|7,r0c0r1c0|12,r0c1r1c1|11,r1c4r1c5|22,r0c8r1c7r1c8r2c8r3c8|10,r2c0r2c1|10,r1c2r2c2|15,r1c3r2c3r2c4|15,r1c6r2c6|15,r2c5r3c4r3c5r3c6|15,r2c7r3c7|12,r3c0r4c0|11,r3c1r4c1|15,r3c2r3c3r4c2|9,r4c3r4c4r4c5|14,r5c0r5c1r5c2r6c1|26,r4c6r4c7r4c8r5c6r5c8|13,r5c3r6c2r6c3|17,r5c4r6c4|12,r5c5r6c5|16,r5c7r6c7r6c8|27,r6c0r7c0r8c0r8c1|22,r7c1r7c2r7c3r8c2r8c3|13,r7c4r7c5r8c4|10,r6c6r7c6r7c7|17,r8c5r8c6r8c7|12,r7c8r8c8", "solution": "456873129371629845289541763728435691593216487164798532935184276817962354642357918", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1644, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1642, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-29", "puzzle": "26,r0c1r0c2r1c1r2c1|10,r0c3r0c4r1c4|9,r0c0r1c0|12,r0c5r1c5|14,r0c6r0c7r0c8r1c6|18,r1c2r1c3r2c2|14,r2c5r2c6|25,r1c7r1c8r2c7r2c8|10,r2c0r3c0|30,r3c1r3c2r4c0r4c1r5c0r5c1r5c2|19,r2c3r2c4r3c3r3c4|33,r3c5r4c2r4c3r4c4r4c5r4c6r5c3|25,r5c4r5c5r6c4r6c5|33,r3c6r3c7r3c8r4c7r4c8r5c6r5c7|6,r5c8r6c8|22,r6c0r6c1r7c0r7c1|15,r6c2r6c3|14,r6c6r7c5r7c6|15,r7c2r8c0r8c1r8c2|7,r7c3r8c3|11,r7c8r8c8|15,r7c4r8c4r8c5|22,r6c7r7c7r8c6r8c7", "solution": "289617435764935281135428679947852316516349827823176594458793162671284953392561748", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1642, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1645, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-06-30", "puzzle": "19,r0c0r0c1r0c2r0c3r1c2|19,r0c4r1c3r1c4|24,r0c5r1c5r2c5r3c5|23,r0c6r0c7r1c6r1c7r2c6r3c6|16,r0c8r1c8|29,r1c0r2c0r3c0r4c0|19,r1c1r2c1r2c2|3,r2c3r2c4|9,r3c1r3c2|10,r3c3r3c4|17,r2c7r2c8r3c7r3c8|13,r4c1r4c2|10,r4c5r4c6|11,r4c7r4c8r5c7|13,r4c3r5c3|15,r4c4r5c4r5c5|4,r5c0r6c0|10,r5c1r6c1|15,r5c2r6c2r7c2|11,r6c3r6c4|17,r5c6r6c5r6c6|25,r5c8r6c7r6c8r7c8r8c8|19,r7c0r7c1r8c0r8c1|22,r7c3r7c4r7c5|4,r7c6r7c7|9,r8c2r8c3r8c4|19,r8c5r8c6r8c7", "solution": "436598217721643589589217463954826371867431952312975648195384726248769135673152894", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1645, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1646, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-06-30", "puzzle": "25,r0c2r0c3r0c4r1c4|10,r0c5r0c6r0c7|14,r0c0r1c0r2c0|15,r0c1r1c1|23,r1c6r1c7r2c7r2c8|5,r0c8r1c8|29,r1c2r2c1r2c2r3c2r3c3r4c2|14,r1c3r2c3|8,r1c5r2c5|7,r2c4r3c4|17,r2c6r3c6|13,r3c0r3c1r4c0r4c1|5,r4c3r4c4|15,r3c5r4c5|14,r3c7r4c7|12,r3c8r4c8r5c8|19,r5c0r5c1r5c2|26,r6c0r6c1r6c2r7c1r7c2|15,r5c3r5c4r6c3r6c4|22,r4c6r5c5r5c6r6c5r6c6|10,r5c7r6c7|9,r7c5r7c6r7c7|20,r6c8r7c8r8c8|10,r7c0r8c0|9,r8c1r8c2|28,r7c3r7c4r8c3r8c4r8c5|11,r8c6r8c7", "solution": "865492713491873562237615948324567891719328654586149237653281479948736125172954386", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1646, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1647, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-01", "puzzle": "27,r0c0r0c1r1c0r1c1r2c0r2c1|14,r0c3r0c4r1c3|14,r0c5r0c6r0c7|12,r0c2r1c2|18,r1c4r1c5r2c4|8,r1c6r1c7|17,r0c8r1c8|20,r2c2r2c3r3c3|14,r2c5r2c6r3c5|5,r3c1r3c2|13,r2c7r3c6r3c7|9,r2c8r3c8|32,r3c0r4c0r4c1r5c0r5c1r5c2|12,r4c2r4c3|5,r3c4r4c4|7,r5c3r5c4|15,r4c5r5c5|19,r4c6r4c7r5c6r5c7|9,r4c8r5c8|14,r6c2r6c3r7c2|12,r6c4r6c5|13,r6c7r6c8r7c7r7c8|11,r6c0r7c0|15,r7c4r7c5|14,r6c6r7c6|27,r6c1r7c1r8c0r8c1r8c2|4,r7c3r8c3|25,r8c4r8c5r8c6r8c7r8c8", "solution": "179243658423865719586971432614539287938427165257618394365784921842196573791352846", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1647, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1648, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-01", "puzzle": "29,r0c0r0c1r1c0r1c1r2c1|8,r0c2r0c3|16,r0c6r0c7r1c7|9,r1c2r2c2|14,r0c4r0c5r1c3r1c4|20,r1c5r1c6r2c5|13,r0c8r1c8|38,r2c3r2c4r3c1r3c2r3c3r3c4|5,r2c0r3c0|11,r2c6r2c7r3c6r3c7|21,r2c8r3c8r4c8|13,r4c1r4c2|26,r3c5r4c3r4c4r4c5r5c3|5,r4c6r4c7|15,r4c0r5c0r6c0|21,r5c1r5c2r6c1r6c2|6,r5c8r6c8|31,r5c4r5c5r5c6r5c7r6c4r6c5|10,r7c0r8c0|13,r6c3r7c2r7c3|22,r7c4r7c5r8c3r8c4|15,r6c6r7c6|8,r7c1r8c1r8c2|12,r8c5r8c6|24,r6c7r7c7r7c8r8c7r8c8", "solution": "913572684657148329482369157198754236576923418324816975769235841245681793831497562", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1648, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1649, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-07-01", "puzzle": "9,r0c3r0c4|18,r0c6r0c7r0c8|5,r0c0r1c0|15,r0c1r1c1|23,r0c2r1c2r2c1r2c2|7,r0c5r1c5|13,r1c6r1c7r2c7|7,r1c3r2c3|21,r1c4r2c4r3c4|15,r1c8r2c8r3c8|21,r2c0r3c0r3c1r4c0|12,r2c5r3c5|25,r2c6r3c6r4c6r5c6|10,r3c7r4c7|22,r3c3r4c3r4c4r4c5r5c5|6,r4c1r5c1|18,r3c2r4c2r5c2r6c2|16,r5c3r6c3|17,r4c8r5c7r5c8r6c8|14,r5c0r6c0r7c0|12,r5c4r6c4r7c4|8,r6c5r7c5|17,r6c1r7c1r7c2|11,r7c3r8c3|18,r6c6r6c7r7c6r8c6|11,r7c7r8c7|8,r7c8r8c8|16,r8c0r8c1r8c2|10,r8c4r8c5", "solution": "493812567168475239275369481742183695856294713319756824621947358587631942934528176", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1649, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1650, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-02", "puzzle": "8,r0c2r0c3|25,r0c5r0c6r0c7r0c8|8,r0c0r1c0|14,r0c1r1c1|5,r0c4r1c4|10,r1c2r1c3r2c2|29,r1c5r2c3r2c4r2c5|11,r1c6r2c6r3c6|4,r1c7r2c7|14,r1c8r2c8|7,r2c0r3c0|16,r2c1r3c1|16,r3c2r3c3r4c2|11,r4c0r4c1|14,r3c4r4c3r4c4|11,r3c5r4c5r4c6|31,r3c7r3c8r4c7r4c8r5c8|13,r5c0r5c1|16,r5c4r5c5r5c6r5c7|22,r5c2r5c3r6c2r6c3|10,r6c4r6c5|10,r6c6r6c7r6c8|8,r6c0r7c0|5,r6c1r7c1|12,r7c5r7c6|13,r7c7r7c8|8,r8c0r8c1|17,r7c2r8c2|15,r7c3r7c4r8c3r8c4|15,r8c5r8c6|7,r8c7r8c8", "solution": "182634975765129438394758216476912583921583647853476129647891352218365794539247861", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1650, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1651, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-02", "puzzle": "24,r0c0r0c1r0c2r0c3|11,r0c4r0c5r1c4|3,r0c6r0c7|10,r1c5r1c6r1c7|16,r0c8r1c8|7,r1c0r2c0|19,r1c1r2c1r3c1|22,r1c2r1c3r2c2r2c3|9,r2c4r2c5|23,r3c2r3c3r3c4r4c3r4c4|33,r2c6r2c7r3c6r3c7r4c6|12,r2c8r3c8|20,r3c0r4c0r5c0r5c1|10,r4c1r4c2|20,r3c5r4c5r5c5r5c6|22,r5c2r5c3r6c2r7c1r7c2|15,r4c7r4c8r5c7r5c8|9,r6c3r7c3|14,r5c4r6c4r6c5|37,r6c6r6c7r6c8r7c7r7c8r8c8|18,r6c0r6c1r7c0|10,r7c5r7c6|18,r8c0r8c1r8c2r8c3|18,r7c4r8c4r8c5|5,r8c6r8c7", "solution": "845763129693821547172945638238156974519274863764398251951432786486517392327689415", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1651, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1652, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-07-02", "puzzle": "4,r0c1r0c2|23,r0c3r0c4r1c4r2c4r2c5|14,r0c7r0c8r1c7|11,r1c2r1c3|24,r0c5r0c6r1c5r1c6|24,r0c0r1c0r1c1r2c0r2c1|28,r1c8r2c6r2c7r2c8r3c6r4c6|6,r3c0r3c1|17,r2c2r2c3r3c2|36,r3c5r4c5r5c5r5c6r6c5r6c6|16,r3c7r3c8r4c7r4c8|21,r4c1r4c2r5c1r5c2|33,r3c3r3c4r4c3r4c4r5c3r5c4|13,r5c7r5c8|8,r6c3r6c4|19,r6c7r6c8r7c8r8c8|40,r4c0r5c0r6c0r6c1r6c2r7c0r7c1r8c0|11,r7c2r7c3|16,r8c1r8c2|24,r7c4r7c5r8c3r8c4r8c5|17,r7c6r7c7r8c6r8c7", "solution": "231948765679215438548763129152894376984376512763152894426537981315689247897421653", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1652, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1653, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-07-03", "puzzle": "15,r0c1r0c2|12,r0c4r0c5r0c6|13,r0c7r0c8|15,r0c0r1c0r1c1r1c2r2c2|5,r0c3r1c3|13,r1c4r1c5|16,r1c6r1c7|15,r2c4r2c5|7,r1c8r2c8|13,r2c0r3c0|16,r2c1r3c1|4,r2c6r3c6|7,r2c7r3c7|9,r4c0r5c0|17,r3c2r4c1r4c2|13,r2c3r3c3r4c3|21,r3c4r3c5r4c4r5c3r5c4|14,r4c5r5c5r6c5|22,r4c6r4c7r5c6|11,r3c8r4c8|6,r5c1r6c1|9,r5c2r6c2|11,r5c7r6c7|5,r5c8r6c8|10,r6c0r7c0|10,r6c3r6c4|11,r7c1r7c2|12,r7c3r7c4|15,r7c5r8c5|30,r6c6r7c6r7c7r7c8r8c8|10,r8c0r8c1|11,r8c2r8c3r8c4|7,r8c6r8c7", "solution": "469173285213485976875296341597862134682314597341759862928641753156937428734528619", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1653, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1654, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-03", "puzzle": "4,r0c1r0c2|28,r0c5r0c6r0c7r0c8r1c5|7,r0c0r1c0|27,r0c3r1c1r1c2r1c3r2c2|17,r0c4r1c4|15,r2c0r2c1|5,r2c4r2c5|19,r1c6r1c7r1c8r2c6|11,r2c7r2c8r3c8|14,r2c3r3c3|11,r3c4r3c5|5,r3c6r3c7|7,r3c0r4c0|21,r3c1r3c2r4c1|11,r4c2r4c3r5c2|7,r4c4r4c5|21,r4c7r4c8r5c7|16,r5c0r5c1r6c1r6c2r6c3|18,r5c3r5c4r5c5|14,r4c6r5c6|20,r6c0r7c0r8c0|9,r5c8r6c8|18,r7c1r7c2r8c1r8c2|27,r6c5r6c6r7c5r8c5r8c6|20,r6c7r7c6r7c7|27,r6c4r7c3r7c4r8c3r8c4|6,r7c8r8c7r8c8", "solution": "213587946546392187789641325197856234652134879438729651361275498874913562925468713", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1654, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1657, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-04", "puzzle": 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"24,r0c0r0c1r0c2|7,r0c3r0c4|7,r0c7r0c8|10,r1c0r1c1|11,r1c3r1c4|14,r0c5r0c6r1c5|6,r1c2r2c1r2c2|12,r2c3r2c4|14,r1c6r2c6|15,r1c7r1c8r2c7|11,r2c0r3c0|7,r3c3r3c4|4,r2c5r3c5|16,r3c6r3c7|18,r2c8r3c8r4c8|11,r3c1r4c1|12,r3c2r4c2|13,r4c3r4c4r4c5|6,r4c6r5c6|10,r4c7r5c7|13,r4c0r5c0r6c0|5,r5c1r5c2|15,r5c3r6c3|16,r5c4r5c5|11,r5c8r6c8|17,r6c1r7c0r7c1|14,r6c2r7c2|11,r6c4r6c5|12,r6c6r6c7r7c6|18,r7c3r8c2r8c3|5,r7c4r7c5|8,r7c7r7c8|8,r8c0r8c1|8,r8c4r8c5|16,r8c6r8c7r8c8", "solution": "789165234463297851512483697625341978897652143341879562256738419938514726174926385", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1656, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1658, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-07-04", "puzzle": 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"19,r0c3r0c4r1c3|13,r0c5r0c6|7,r0c7r0c8|15,r0c0r0c1r1c0|22,r0c2r1c1r1c2r2c0r2c1|22,r1c4r1c5r1c6r1c7r2c7|37,r2c2r2c3r2c4r2c5r3c2r4c2r5c2|14,r1c8r2c8|7,r2c6r3c6|5,r3c7r3c8|16,r3c0r3c1r4c0|27,r3c3r3c4r3c5r4c3r4c4r5c3|17,r4c6r4c7|19,r4c1r5c1r6c1r7c1r7c2|18,r4c5r5c4r5c5|10,r4c8r5c8|9,r5c0r6c0|8,r6c2r6c3|23,r5c6r6c5r6c6|8,r5c7r6c7|13,r7c3r8c3|4,r6c4r7c4|6,r7c5r7c6|27,r6c8r7c7r7c8r8c6r8c7r8c8|15,r7c0r8c0|14,r8c1r8c2|10,r8c4r8c5", "solution": "152986734967243158348175296689327541274651983513498627421739865836512479795864312", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1659, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1660, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-05", "puzzle": "5,r0c0r0c1|15,r0c5r0c6|39,r0c7r0c8r1c5r1c6r1c7r2c6r2c7|18,r1c0r1c1r2c0r2c1|21,r0c2r0c3r1c2r1c3|8,r0c4r1c4|14,r2c2r2c3r2c4|6,r1c8r2c8|12,r3c1r3c2r4c1|11,r3c3r3c4|25,r3c0r4c0r5c0r5c1r6c0|10,r3c6r4c6|15,r3c8r4c8|18,r4c2r4c3r5c2r5c3|37,r2c5r3c5r4c4r4c5r5c4r5c5|16,r6c2r6c3r7c2|14,r5c6r6c6|18,r3c7r4c7r5c7r5c8r6c7|19,r6c4r6c5r7c3r7c4|15,r6c8r7c8|36,r6c1r7c0r7c1r8c0r8c1r8c2r8c3|15,r7c5r8c4r8c5|3,r7c6r8c6|15,r7c7r8c7r8c8", "solution": "146257893529438671387619425751924386264583719938176542415862937693741258872395164", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1660, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1662, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-06", "puzzle": "15,r0c3r0c4|9,r0c5r0c6|16,r0c0r1c0|9,r0c1r1c1|11,r0c2r1c2|9,r1c3r1c4r1c5|10,r0c7r1c6r1c7|11,r0c8r1c8|15,r2c1r2c2r3c1|10,r2c4r2c5|10,r2c8r3c8|25,r2c0r3c0r4c0r4c1r5c0r6c0|21,r2c3r3c2r3c3r3c4|10,r2c6r3c6|15,r2c7r3c7|8,r4c2r4c3r4c4|16,r3c5r4c5r5c5|22,r4c6r4c7r4c8|22,r5c2r5c3r5c4r6c3|9,r5c6r6c6|7,r5c7r6c7|11,r5c1r6c1r6c2|13,r6c4r6c5|11,r5c8r6c8|10,r7c0r8c0|7,r7c1r8c1|16,r7c2r8c2|14,r7c3r7c4r7c5|14,r7c6r7c7r8c7|5,r7c8r8c8|13,r8c3r8c4|11,r8c5r8c6", "solution": "915876342786432159342591687198625473264317598573984216831249765627158934459763821", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1662, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1661, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-07-05", "puzzle": "19,r0c5r0c6r0c7r0c8|32,r0c0r0c1r1c0r1c1r2c1r2c2|12,r0c2r1c2|35,r0c3r1c3r2c3r2c4r2c5|4,r0c4r1c4|10,r1c7r1c8r2c8|18,r2c0r3c0r4c0r5c0r6c0|8,r3c2r3c3|26,r1c5r1c6r2c6r3c5r3c6|15,r2c7r3c7|29,r3c1r4c1r4c2r4c3r5c1|17,r3c4r4c4r4c5r5c4|13,r4c6r4c7|11,r3c8r4c8r5c8|13,r5c2r5c3|35,r5c5r5c6r6c6r7c5r7c6|7,r5c7r6c7|29,r6c1r6c2r7c0r7c1r8c0r8c1|8,r7c2r8c2|16,r6c3r6c4r6c5r7c3r8c3|14,r7c4r8c4|15,r6c8r7c7r7c8|19,r8c5r8c6r8c7r8c8", "solution": "938514276674932815125876394251789463469123587387645921893461752712358649546297138", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1661, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1665, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-07", "puzzle": "17,r0c2r0c3|9,r0c6r0c7r0c8|28,r0c0r0c1r1c0r1c1r1c2|15,r0c4r0c5r1c4|15,r1c5r1c6r2c5r2c6|7,r2c0r2c1|13,r1c3r2c3r2c4|29,r1c7r1c8r2c7r2c8|5,r3c0r3c1|11,r2c2r3c2|12,r3c3r3c4|7,r4c0r5c0|15,r4c1r5c1|9,r4c2r5c2|15,r3c6r4c6|7,r3c7r4c7|3,r3c8r4c8|21,r3c5r4c3r4c4r4c5r5c3|12,r5c4r5c5|14,r5c6r6c6|11,r5c7r5c8|19,r6c0r6c1r7c0r7c1|21,r6c4r6c5r7c5|13,r6c7r6c8|12,r6c2r6c3r7c2r7c3|16,r7c4r8c3r8c4|25,r7c6r7c7r7c8r8c7r8c8|21,r8c0r8c1r8c2|3,r8c5r8c6", "solution": "158967423967423158342815697419756832586392741273184965831249576624578319795631284", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1665, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1664, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-07-06", "puzzle": "13,r0c1r0c2r0c3|17,r0c5r0c6|8,r0c7r0c8|6,r0c0r1c0|8,r1c1r1c2|18,r0c4r1c4r1c5|16,r1c7r1c8r2c8|11,r1c3r2c3r3c3|6,r2c4r2c5|18,r1c6r2c6r2c7r3c6|15,r2c0r3c0r4c0|17,r3c7r3c8|12,r3c1r4c1|24,r2c1r2c2r3c2r4c2|36,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|21,r4c6r5c6r6c6r6c7|5,r4c7r5c7|14,r5c0r5c1|13,r4c8r5c8r6c8|15,r5c2r6c1r6c2r7c2|14,r6c3r6c4|14,r5c5r6c5r7c5|15,r6c0r7c0r7c1|14,r7c3r7c4r8c4|13,r7c6r7c7|8,r7c8r8c8|10,r8c0r8c1|14,r8c2r8c3|10,r8c5r8c6r8c7", "solution": "471538926235169874869724135142375689687492513593816742724951368356287491918643257", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1664, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1663, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-06", "puzzle": "17,r0c0r0c1|6,r0c4r0c5|11,r0c2r0c3r1c2|20,r0c6r1c6r2c6|10,r0c7r1c7r2c7|16,r0c8r1c8r2c8r3c8|29,r1c0r1c1r2c0r2c1r2c2r3c0r4c0|23,r1c3r1c4r2c3r2c4|15,r1c5r2c5|24,r3c1r3c2r3c3r3c4|9,r3c5r3c6|13,r4c1r4c2r4c3|13,r4c4r4c5r5c4|25,r3c7r4c6r4c7r4c8|13,r5c0r5c1r5c2|26,r5c5r5c6r5c7r5c8r6c6|10,r6c0r7c0|14,r5c3r6c3|10,r6c4r6c5|24,r6c7r6c8r7c8r8c8|27,r6c1r6c2r7c1r7c2r8c0r8c1|14,r7c3r7c4|21,r7c5r7c6r7c7r8c6r8c7|15,r8c2r8c3r8c4r8c5", "solution": "983142765147586932526739418365497281819325674274861593451673829632958147798214356", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1663, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1667, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-07-07", "puzzle": "35,r0c0r0c1r0c2r0c3r0c4r0c5r0c6|20,r0c7r0c8r1c7r1c8|12,r1c1r1c2|11,r1c3r1c4|10,r1c5r1c6r2c6|8,r1c0r2c0|17,r2c1r2c2r3c2r4c2|4,r3c0r3c1|38,r2c3r2c4r2c5r3c3r3c4r3c5|22,r2c7r3c6r3c7r4c6|8,r4c1r5c1|16,r4c3r5c2r5c3|16,r4c4r4c5r5c4r6c4|31,r2c8r3c8r4c7r4c8r5c7|16,r6c1r6c2r7c2r8c2|11,r5c5r6c5|15,r5c6r6c6|6,r5c8r6c8|27,r4c0r5c0r6c0r7c0r8c0|20,r6c3r7c3r8c3r8c4|14,r7c4r7c5r8c5|22,r6c7r7c7r7c8r8c7r8c8|17,r7c1r8c1|9,r7c6r8c6", "solution": "953476182648921537271385496135769824764218359829534671312847965586192743497653218", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1667, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1666, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-07", "puzzle": "26,r0c0r0c1r1c0r1c1|28,r0c7r0c8r1c7r1c8|10,r0c2r1c2r2c2|24,r0c3r0c4r0c5r1c3r1c5|9,r0c6r1c6r2c6|22,r2c0r2c1r3c0r3c1|11,r1c4r2c4|12,r2c7r2c8r3c7r3c8|24,r2c3r2c5r3c3r3c4r3c5|16,r3c2r4c2r4c3|18,r3c6r4c5r4c6|13,r4c0r5c0r6c0r7c0|14,r4c1r5c1r6c1|16,r4c4r5c4|14,r4c7r5c7r6c7|21,r4c8r5c8r6c8r7c8|15,r5c2r5c3r6c2r6c3|24,r5c5r5c6r6c5r6c6|12,r7c1r7c2|9,r6c4r7c4r8c4|7,r7c6r7c7|31,r7c3r8c0r8c1r8c2r8c3|29,r7c5r8c5r8c6r8c7r8c8", "solution": "832657194961432578457981362675248913198375426243196785716523849384769251529814637", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1666, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1668, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-08", "puzzle": 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"17,r0c3r0c4|8,r0c5r0c6|9,r0c0r1c0|14,r0c1r0c2r1c1r1c2|7,r1c3r2c3|10,r1c5r1c6|8,r0c7r1c7r2c7|15,r0c8r1c8|16,r2c0r2c1|9,r1c4r2c4|28,r2c2r3c0r3c1r3c2|10,r3c3r3c4|8,r2c5r3c5|9,r2c6r3c6|5,r2c8r3c8|13,r4c0r4c1r5c1|21,r4c2r4c3r4c4r4c5r4c6|24,r3c7r4c7r4c8|11,r5c0r6c0|4,r5c2r6c2|9,r5c3r6c3|16,r5c4r5c5|14,r5c6r5c7r5c8r6c6|11,r6c4r7c4|9,r6c7r6c8|7,r7c0r8c0|17,r6c1r7c1r8c1|11,r7c2r7c3|17,r6c5r7c5|26,r7c6r7c7r8c6r8c7|8,r7c8r8c8|7,r8c2r8c3|7,r8c4r8c5", "solution": "432981756518376429796425813859643172347512698261897534973168245624759381185234967", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1671, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1669, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-08", "puzzle": 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"4,r0c0r0c1|22,r0c5r0c6r0c7r0c8|20,r0c2r1c1r1c2|23,r0c3r0c4r1c3r1c4r1c5|8,r1c7r1c8|11,r1c0r2c0|10,r2c1r2c2|9,r2c3r2c4|11,r1c6r2c6|13,r2c7r2c8r3c8|8,r3c0r3c1|12,r3c2r3c3|20,r2c5r3c4r3c5r3c6|17,r4c0r4c1r4c2r4c3|10,r4c5r4c6|28,r3c7r4c7r4c8r5c7|17,r5c0r5c1|7,r4c4r5c4|11,r5c2r5c3r6c2|10,r6c3r6c4|10,r5c5r5c6r6c5|6,r6c6r6c7|11,r5c8r6c8|16,r6c0r7c0|8,r7c2r7c3r7c4|23,r6c1r7c1r8c0r8c1r8c2|15,r8c3r8c4|24,r7c5r7c6r7c7r8c5|21,r7c8r8c6r8c7r8c8", "solution": "319286547547931862628547319174852693253769184896413275981375426765124938432698751", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1672, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1673, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-07-09", "puzzle": "31,r0c0r0c1r0c2r1c0r1c1|12,r0c7r0c8r1c7|12,r0c3r1c3|18,r0c4r1c4r2c4r2c5|13,r0c5r0c6r1c5|7,r1c2r2c2|20,r1c6r2c6r2c7r3c7|17,r1c8r2c8r3c8|6,r2c0r3c0|17,r2c1r3c1r4c1|18,r2c3r3c2r3c3|9,r3c4r3c5|9,r4c2r4c3|23,r3c6r4c5r4c6|11,r4c7r5c7|9,r4c0r5c0|17,r5c1r5c2r6c1r7c1|13,r4c4r5c3r5c4|10,r4c8r5c8r6c8|19,r6c2r7c2r8c2|15,r5c5r5c6r6c5|9,r6c0r7c0|9,r6c3r6c4r7c3|24,r7c4r7c5r8c5|8,r6c6r7c6|11,r6c7r7c7|11,r8c0r8c1|8,r8c3r8c4|7,r8c6r8c7|12,r7c8r8c8", "solution": "937528416846791253521643789164872935295436871783915642318264597659187324472359168", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1673, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1674, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-10", "puzzle": 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"27,r0c4r0c5r0c6r0c7r0c8r1c6|5,r0c0r1c0|28,r0c1r0c2r0c3r1c1r1c2|11,r1c4r1c5|27,r1c7r1c8r2c7r2c8|12,r2c0r2c1|15,r1c3r2c3r2c4|11,r2c2r3c1r3c2|20,r2c5r2c6r3c4r3c5r3c6|16,r3c7r3c8r4c8r5c8|15,r4c1r4c2|22,r3c3r4c3r4c4r4c5r5c5|11,r4c6r4c7|22,r3c0r4c0r5c0r5c1|24,r5c2r5c3r5c4r6c2r6c3|21,r5c6r5c7r6c6|15,r6c4r6c5r7c5|8,r6c7r6c8|26,r6c0r6c1r7c0r7c1|14,r7c3r7c4|20,r7c6r7c7r8c5r8c6r8c7|9,r7c8r8c8|26,r7c2r8c0r8c1r8c2r8c3r8c4", "solution": "468719235125483769937562148513847692796125384284396571852634917671958423349271856", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1676, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1678, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-11", "puzzle": "14,r0c0r0c1r1c0r1c1|17,r0c5r0c6|10,r0c7r0c8r1c7|31,r0c2r0c3r1c2r1c3r2c3r3c3|11,r0c4r1c4|11,r2c1r2c2|16,r1c5r2c5r3c5|6,r1c6r2c6|25,r1c8r2c8r3c8r4c8|14,r2c0r3c0|9,r2c4r3c4|13,r2c7r3c7|13,r3c1r4c1|5,r3c2r4c2|7,r4c3r4c4r4c5|15,r3c6r4c6r4c7|12,r4c0r5c0|18,r5c1r5c2r6c1|23,r5c4r5c5r5c6r5c7r5c8|27,r5c3r6c2r6c3r6c4r6c5|24,r6c6r6c7r7c6r8c6r8c7|8,r6c0r7c0|12,r7c1r7c2r7c3|20,r7c4r7c5r8c4r8c5|21,r6c8r7c7r7c8r8c8|12,r8c0r8c1|11,r8c2r8c3", "solution": "745328961126795438938164257562937184873241596419856372684519723251673849397482615", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1678, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1679, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-07-11", "puzzle": "16,r0c1r0c2r0c3|16,r0c4r0c5r0c6|13,r0c7r0c8r1c8|11,r0c0r1c0|23,r1c2r1c3r1c4r1c5r2c2|17,r1c6r1c7r2c7|11,r1c1r2c1|14,r2c3r2c4|19,r2c0r3c0r4c0|6,r3c1r3c2|23,r2c5r2c6r3c5r3c6|9,r2c8r3c8r4c8|7,r4c2r4c3|27,r3c3r3c4r4c4r4c5r5c5|9,r4c6r5c6|10,r4c1r5c0r5c1|21,r5c2r5c3r6c2r6c3|9,r5c4r6c4|26,r3c7r4c7r5c7r6c6r6c7|21,r5c8r6c8r7c8|39,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|21,r7c3r7c4r8c3|12,r6c5r7c5|6,r7c6r7c7|6,r8c4r8c5r8c6|13,r8c7r8c8", "solution": "693417852548932176271685493924178635835296741167354289716543928382769514459821367", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1679, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1680, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-12", "puzzle": "8,r0c5r0c6|7,r0c0r1c0|20,r0c1r0c2r0c3r1c1|5,r1c2r1c3|16,r0c4r1c4r2c4r3c4|12,r1c6r2c6r2c7|11,r0c7r1c7|17,r0c8r1c8r2c8|10,r2c0r2c1|16,r2c2r2c3|17,r1c5r2c5|13,r3c1r3c2|3,r3c5r3c6|30,r3c0r4c0r4c1r4c2r5c0r5c1|28,r3c3r4c3r4c4r4c5r5c5|33,r3c7r3c8r4c6r4c7r4c8r5c8|10,r5c2r5c3|11,r5c6r5c7|7,r6c3r7c3|13,r6c5r6c6|7,r6c7r6c8|18,r6c0r7c0r8c0|6,r7c1r8c1|16,r6c1r6c2r7c2|22,r5c4r6c4r7c4r8c4|12,r7c5r7c6|25,r7c7r8c5r8c6r8c7|4,r7c8r8c8|8,r8c2r8c3", "solution": "281463579573219846469758312658942137314576298792831654137684925946125783825397461", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1680, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1682, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-07-12", "puzzle": 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"6,r0c3r0c4|15,r0c5r0c6|11,r0c7r0c8|19,r0c0r1c0r2c0r2c1r2c2|26,r0c1r0c2r1c1r1c2|23,r1c5r1c6r2c6r3c6|4,r1c7r1c8|13,r1c3r1c4r2c3|11,r2c4r2c5|11,r2c7r2c8|12,r3c0r4c0|9,r3c1r3c2|26,r3c3r3c4r4c4r5c4r5c5|14,r3c7r3c8|15,r4c1r4c2|14,r4c3r5c3|5,r3c5r4c5|8,r4c6r4c7|4,r5c0r5c1|10,r5c6r5c7|9,r4c8r5c8|15,r6c0r6c1|11,r6c3r6c4|15,r6c5r7c4r7c5|11,r7c0r7c1|17,r5c2r6c2r7c2r7c3|21,r7c6r7c7r8c6r8c7|24,r6c6r6c7r6c8r7c8r8c8|11,r8c0r8c1|11,r8c2r8c3|4,r8c4r8c5", "solution": "346157892297468531518329647872613459469582713135974286783295164921846375654731928", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1683, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1684, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-13", "puzzle": "28,r0c0r0c1r0c2r1c0r2c0|17,r0c3r0c4|8,r0c5r0c6|7,r0c7r0c8|12,r1c1r1c2r2c1|24,r1c3r1c4r1c5r2c4r2c5|11,r1c7r1c8r2c8|30,r1c6r2c6r2c7r3c6r3c7|31,r2c2r2c3r3c2r3c3r3c4r4c3r4c4|18,r3c8r4c8r5c8|11,r3c0r4c0|26,r3c1r4c1r4c2r5c1r5c2|21,r3c5r4c5r4c6r4c7|20,r5c3r5c4r6c4r7c4|3,r5c0r6c0|25,r6c1r6c2r6c3r7c2r7c3|20,r5c5r5c6r6c5r6c6|10,r5c7r6c7|13,r7c5r7c6|30,r6c8r7c7r7c8r8c6r8c7r8c8|13,r7c0r8c0|16,r7c1r8c1r8c2|11,r8c3r8c4r8c5", "solution": "364891725819572346725364981597128463632947158148653297253789614976415832481236579", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1684, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1685, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-07-13", "puzzle": 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"9,r0c1r0c2|9,r0c4r0c5|12,r0c0r1c0|14,r0c3r1c3r2c3|11,r1c4r1c5|17,r0c6r1c6r2c6|12,r0c7r1c7r2c7|13,r0c8r1c8|6,r1c1r2c1|13,r1c2r2c2r3c2|8,r2c0r3c0|11,r2c4r3c3r3c4|15,r2c5r3c5|17,r3c6r3c7|14,r2c8r3c8r4c8|12,r3c1r4c1|19,r4c2r4c3r4c4r4c5r4c6|8,r4c7r5c7|16,r4c0r5c0r6c0|9,r5c1r5c2|10,r5c3r6c3|22,r5c4r5c5r6c4|15,r5c8r6c8|9,r5c6r6c6r7c6|13,r6c7r7c7|9,r7c0r8c0|21,r6c1r7c1r8c1|14,r6c2r7c2r8c2|7,r7c3r7c4|9,r6c5r7c5r8c5|3,r7c8r8c8|16,r8c3r8c4|12,r8c6r8c7", "solution": "327481695914365728658729413231546987896137254745298136172854369489613572563972841", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1686, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1687, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-14", "puzzle": "9,r0c0r0c1|12,r1c1r1c2|34,r0c2r0c3r0c4r0c5r0c6r1c4r1c5|8,r0c7r1c6r1c7|13,r0c8r1c8|21,r1c0r2c0r2c1|8,r1c3r2c2r2c3|12,r2c7r2c8|12,r3c0r3c1|9,r2c6r3c6|10,r3c7r3c8|12,r4c0r4c1|15,r3c2r3c3r4c2|13,r4c3r5c3|11,r3c5r4c5|21,r4c6r5c5r5c6|7,r4c7r4c8|3,r5c0r5c1|14,r5c2r6c2|7,r5c7r5c8|10,r6c0r6c1|39,r2c4r2c5r3c4r4c4r5c4r6c3r6c4|10,r6c5r6c6r7c5|12,r6c7r6c8r7c8|9,r7c0r8c0|14,r7c1r7c2r8c1|36,r7c3r7c4r8c2r8c3r8c4r8c5r8c6|7,r7c6r7c7|17,r8c7r8c8", "solution": "631842957984537216572169348847253691396418725125976834469381572258794163713625489", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1687, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1689, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-15", "puzzle": "15,r0c1r0c2|24,r0c0r1c0r2c0r3c0|9,r0c3r1c3|15,r0c4r0c5r0c6r1c4|20,r0c7r1c6r1c7|7,r0c8r1c8|6,r1c1r2c1|4,r1c2r2c2|18,r2c3r2c4r3c3r3c4|7,r1c5r2c5|18,r2c7r2c8r3c7|11,r2c6r3c6|18,r3c1r4c0r4c1r5c0|13,r3c2r4c2|27,r3c5r4c3r4c4r4c5r5c3|10,r4c6r5c6|18,r3c8r4c7r4c8r5c7|16,r5c2r6c2|13,r5c1r6c0r6c1|5,r6c3r7c3|25,r5c4r5c5r6c4r6c5|12,r6c6r7c6|14,r6c7r7c7|7,r7c0r8c0|17,r7c1r7c2r8c1|16,r7c4r8c2r8c3r8c4|16,r7c5r8c5|17,r5c8r6c8r7c8r8c8|7,r8c6r8c7", "solution": "896532174721496853543781296468125937275943618319678425937264581184359762652817349", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1689, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1688, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-07-14", "puzzle": "19,r0c0r0c1r1c1r2c1|21,r0c2r0c3r1c2|9,r0c4r0c5r1c5|13,r0c6r0c7r0c8|13,r1c3r1c4|19,r1c7r1c8r2c7r2c8r3c8|25,r1c0r2c0r3c0r4c0r5c0|17,r2c2r2c3r2c4r2c5|21,r1c6r2c6r3c6r4c6|21,r3c3r3c4r3c5|12,r4c3r4c4r4c5|13,r3c7r4c7|31,r3c1r3c2r4c1r4c2r5c1r5c2|25,r5c6r5c7r6c7r7c7|9,r4c8r5c8|8,r6c0r6c1|15,r6c2r7c2r8c2|23,r5c3r6c3r6c4r7c4|12,r5c4r5c5r6c5r6c6|16,r7c0r7c1|19,r7c5r7c6r8c5|19,r6c8r7c8r8c8|6,r8c0r8c1|13,r7c3r8c3r8c4|6,r8c6r8c7", "solution": "647915328285763941913428765162579483839642157574831692358196274791254836426387519", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1688, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1690, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-07-15", "puzzle": "8,r0c3r0c4|33,r0c5r0c6r0c7r0c8r1c7r1c8|17,r0c1r0c2r1c1r1c2r2c2|10,r1c3r1c4|17,r1c5r1c6r2c6|37,r0c0r1c0r2c0r2c1r3c0r3c1r4c0|14,r2c3r3c2r3c3|24,r2c4r3c4r4c4r5c4r6c4|16,r2c5r3c5r4c5|12,r2c7r2c8r3c8|29,r4c1r4c2r5c1r5c2|21,r3c6r3c7r4c6r4c7|15,r5c0r6c0r6c1|7,r4c3r5c3r6c3|17,r5c5r5c6r6c5|36,r4c8r5c7r5c8r6c7r6c8r7c8r8c8|17,r6c2r7c2r7c3|7,r7c4r7c5|23,r6c6r7c6r7c7r8c6r8c7|32,r7c0r7c1r8c0r8c1r8c2r8c3|13,r8c4r8c5", "solution": "912356748847912653563748921421673589379185264658429137185237496294861375736594812", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1690, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1691, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-07-15", "puzzle": "6,r0c0r0c1r1c0|12,r0c2r0c3r1c3r2c3|33,r0c4r0c5r1c4r1c5r2c4|24,r0c6r0c7r0c8r1c8|7,r1c6r1c7|14,r2c0r2c1|30,r2c5r2c6r2c7r2c8r3c5r3c8|16,r3c0r3c1r4c0|21,r1c1r1c2r2c2r3c2|13,r3c3r3c4|24,r4c1r4c2r5c1r5c2|14,r4c3r4c4r4c5|22,r3c6r3c7r4c6r4c7|7,r5c4r5c5|18,r5c6r6c6r7c6r7c7|14,r4c8r5c7r5c8|35,r5c0r5c3r6c0r6c1r6c2r6c3|4,r6c7r6c8|12,r7c1r7c2|15,r7c0r8c0r8c1r8c2|25,r6c4r7c3r7c4r8c3r8c4|19,r6c5r7c5r8c5r8c6|20,r7c8r8c7r8c8", "solution": "215469387349187256867235914921673548538914672476852193792546831684391725153728469", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1691, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1692, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-07-16", "puzzle": "17,r0c1r0c2|10,r0c3r0c4r0c5r1c5|9,r0c0r1c0|14,r1c3r1c4|17,r0c6r0c7r1c6|13,r0c8r1c8|21,r1c1r1c2r2c1r3c1r4c1|15,r2c3r2c4|4,r1c7r2c7|13,r2c0r3c0r4c0|15,r2c2r3c2r3c3|8,r2c5r3c5|5,r2c6r3c6|14,r2c8r3c7r3c8|10,r4c2r4c3|18,r3c4r4c4r5c4|8,r4c5r4c6|18,r5c0r5c1r6c0|5,r5c2r6c2|10,r5c3r6c3|21,r5c5r5c6r6c6|15,r4c8r5c8r6c8|9,r6c1r7c1|13,r6c4r6c5|24,r4c7r5c7r6c7r7c6r7c7|9,r7c0r8c0|19,r7c2r8c1r8c2|13,r7c4r7c5|7,r7c8r8c8|16,r7c3r8c3r8c4r8c5|15,r8c6r8c7", "solution": "798231456261954837354876219975682341126493578843715962612349785489567123537128694", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1692, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1693, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-16", "puzzle": "14,r0c6r0c7r0c8|8,r0c0r1c0|21,r0c1r0c2r1c1|23,r0c3r1c2r1c3r2c3|24,r0c4r0c5r1c4r1c5r2c4r2c5|18,r2c0r2c1r3c0r3c1|40,r1c6r2c6r3c4r3c5r3c6r3c7r4c6|8,r1c7r1c8r2c7|16,r2c2r3c2r3c3|9,r4c3r4c4|29,r4c0r4c1r4c2r5c0r5c1r5c2|12,r5c3r5c4|13,r4c5r5c5|30,r2c8r3c8r4c7r4c8r5c6r5c7|4,r6c1r6c2|34,r6c3r6c4r7c4r7c5r7c6r8c4|13,r6c5r6c6|13,r5c8r6c8|15,r6c0r7c0r8c0|33,r7c1r7c2r7c3r8c1r8c2r8c3|6,r6c7r7c7|12,r8c5r8c6r8c7|10,r7c8r8c8", "solution": "184963572792548631365721849817452396953816724246397185631279458428635917579184263", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1693, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1694, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-07-16", "puzzle": 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"10,r0c2r0c3|13,r0c4r0c5r1c5|14,r0c7r0c8|11,r0c0r1c0|7,r0c1r1c1|18,r0c6r1c6r2c6|30,r1c2r1c3r2c1r2c2r2c3|11,r1c4r2c4|11,r1c7r1c8r2c7|13,r2c0r3c0|10,r3c1r3c2|10,r3c3r3c4|7,r2c5r3c5|7,r3c6r3c7|16,r2c8r3c8r4c8|5,r4c1r4c2|12,r4c3r4c4r4c5|13,r4c6r4c7|16,r4c0r5c0r6c0|9,r5c1r5c2|13,r5c3r6c3|11,r5c4r5c5|4,r5c6r5c7|8,r5c8r6c8|13,r6c1r7c0r7c1|12,r6c4r7c4|24,r6c5r6c6r6c7r7c5r7c6|23,r6c2r7c2r8c2|10,r7c7r8c7|12,r7c8r8c8|6,r8c0r8c1|13,r7c3r8c3r8c4|13,r8c5r8c6", "solution": "263741895917258364584963712891374256732615948645829137328596471476132589159487623", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1695, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1697, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-07-17", "puzzle": "12,r0c1r0c2r0c3|19,r0c6r0c7r0c8|14,r0c0r1c0|10,r1c2r1c3|19,r1c6r1c7r1c8r2c8|12,r1c1r2c1|38,r0c4r0c5r1c4r1c5r2c3r2c4r2c5|7,r2c6r2c7|36,r2c0r3c0r4c0r4c1r4c2r5c0r5c1r5c2|13,r2c2r3c1r3c2|23,r3c3r3c4r4c3r4c4|17,r3c5r3c6r3c7r4c5r4c6|7,r3c8r4c8|26,r5c4r5c5r5c6r6c6|18,r4c7r5c7r5c8|24,r6c0r6c1r7c0r7c1|9,r6c2r7c2r7c3|25,r6c7r6c8r7c8r8c8|18,r5c3r6c3r6c4r7c4|27,r6c5r7c5r7c6r7c7r8c7|14,r8c0r8c1r8c2|8,r8c3r8c4|9,r8c5r8c6", "solution": "562481793947325861183697524819564372674932185235178946356849217791256438428713659", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1697, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1696, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-17", "puzzle": 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"26,r0c1r0c2r1c2r2c2r3c2|9,r0c3r0c4|14,r0c5r0c6|6,r0c0r1c0|9,r1c3r1c4|17,r0c7r1c6r1c7|8,r0c8r1c8|22,r1c1r2c0r2c1|8,r2c3r2c4|10,r1c5r2c5|11,r2c7r2c8|10,r3c0r3c1|27,r3c3r3c4r4c4r5c4r5c5|10,r2c6r3c6|13,r4c0r5c0|8,r4c1r4c2r5c1|11,r4c3r5c3|7,r3c5r4c5|9,r3c7r4c6r4c7|16,r3c8r4c8|13,r5c2r6c2|6,r5c7r5c8|16,r6c0r6c1|11,r6c3r7c3|9,r6c4r6c5|11,r6c7r6c8r7c7|4,r7c0r8c0|11,r7c1r7c2r8c1|7,r7c4r7c5|13,r7c8r8c8|13,r8c2r8c3|11,r8c4r8c5|29,r5c6r6c6r7c6r8c6r8c7", "solution": "463189572287543916591627483829415637634872159715396824978254361352961748146738295", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1698, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1699, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-18", "puzzle": "21,r0c0r0c1r0c2|27,r0c6r0c7r0c8r1c6r1c7|29,r0c3r0c4r0c5r1c3r1c4r1c5|26,r1c0r1c1r2c0r2c1r3c0|12,r2c4r2c5|23,r1c8r2c7r2c8r3c7r3c8|45,r3c1r3c2r4c1r4c2r5c1r5c2r6c1r6c2r6c3|6,r3c4r3c5|8,r2c6r3c6|31,r1c2r2c2r2c3r3c3r4c3r4c4r4c5|15,r4c7r4c8|10,r4c0r5c0|12,r5c3r5c4|13,r4c6r5c6|29,r5c5r6c4r6c5r6c6r7c5r7c6|29,r5c7r6c7r7c7r7c8r8c7r8c8|9,r5c8r6c8|21,r6c0r7c0r7c1r7c2r7c3|9,r8c0r8c1r8c2|18,r7c4r8c3r8c4|12,r8c5r8c6", "solution": "768391452345682971291457638836915247154723869927846513589134726473268195612579384", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1699, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1700, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-07-18", "puzzle": "17,r0c0r0c1r1c0|11,r0c2r0c3|20,r0c4r0c5r1c5r1c6r1c7|11,r0c6r0c7|13,r0c8r1c8r2c8|28,r1c1r1c2r1c3r1c4r2c1r2c2|13,r2c3r2c4|15,r3c3r3c4r4c3|31,r2c5r2c6r2c7r3c5r3c6r4c6|23,r2c0r3c0r3c1r4c0|7,r3c2r4c2|12,r3c7r3c8r4c7|7,r4c1r5c1|11,r5c2r5c3|22,r4c4r4c5r5c4r5c5|6,r5c6r5c7|14,r4c8r5c8|11,r5c0r6c0|27,r6c1r6c2r6c3r6c4r7c1|10,r7c2r7c3|30,r6c5r6c6r6c7r7c6r7c7r8c6|6,r6c8r7c8|5,r7c0r8c0|11,r8c1r8c2|27,r7c4r7c5r8c3r8c4r8c5|17,r8c7r8c8", "solution": "643817295798532641512946837876451923351629478924783516239168754487395162165274389", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1700, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1701, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-07-19", "puzzle": "14,r0c1r0c2|33,r0c3r0c4r0c5r1c3r1c4r1c5r2c4|6,r0c6r0c7|3,r0c0r1c0|10,r1c1r1c2|17,r1c6r1c7|9,r0c8r1c8|17,r2c2r2c3|4,r2c5r2c6|7,r2c0r3c0|11,r2c1r3c1|13,r2c7r3c7|9,r2c8r3c8|15,r3c2r4c1r4c2|9,r3c3r4c3|5,r3c4r4c4|12,r3c5r4c5|22,r3c6r4c6r4c7|35,r4c0r5c0r6c0r7c0r8c0|3,r5c2r5c3|11,r5c5r5c6|27,r4c8r5c8r6c8r7c8r8c8|8,r5c1r6c1|8,r6c2r6c3|26,r5c4r6c4r7c4r8c4|8,r6c5r6c6|11,r5c7r6c7|17,r7c2r7c3r8c3|12,r7c5r7c6r8c5|14,r7c1r8c1r8c2|9,r7c7r8c6r8c7", "solution": "195876423237154896468923157354617982829345761671298345913582674546739218782461539", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1701, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1703, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-07-19", "puzzle": 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"21,r0c2r0c3r0c4|17,r0c5r0c6r1c6|15,r0c7r0c8r1c7r1c8|6,r0c0r1c0r2c0|24,r0c1r1c1r1c2r2c2|16,r1c3r2c3r3c3|6,r1c4r2c4|10,r1c5r2c5|14,r2c1r3c1r3c2|12,r2c6r3c6r4c6|17,r2c7r3c7|7,r2c8r3c8|19,r3c0r4c0r4c1|13,r4c3r5c3|15,r3c5r4c5|14,r4c7r4c8r5c8|14,r5c0r6c0|13,r5c1r6c1|10,r4c2r5c2r6c2|12,r3c4r4c4r5c4|13,r5c6r5c7r6c7|9,r6c3r7c3|11,r6c4r7c4|13,r5c5r6c5r7c5|14,r6c6r7c6r7c7r8c7|22,r6c8r7c8r8c8|18,r7c0r7c1r8c0r8c1|10,r7c2r8c2r8c3|20,r8c4r8c5r8c6", "solution": "258673914164829573379541286725368491483917652691452837846735129917286345532194768", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1702, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1704, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-20", "puzzle": "14,r0c2r0c3r0c4|9,r0c6r0c7|19,r0c0r1c0r2c0r3c0|8,r0c1r1c1|15,r1c2r1c3r1c4|21,r0c5r1c5r1c6|9,r0c8r1c8|38,r2c3r2c4r2c5r3c3r3c5r4c3|22,r1c7r2c6r2c7r2c8|13,r2c1r3c1|9,r2c2r3c2|8,r3c4r4c4r5c4|11,r3c6r4c6|5,r4c0r5c0|9,r4c1r5c1|5,r3c7r4c7|9,r3c8r4c8|13,r4c2r5c2|15,r5c6r6c6|10,r5c7r6c7|17,r6c0r6c1r6c2r7c1|32,r4c5r5c3r5c5r6c3r6c4r6c5|15,r7c0r8c0|12,r7c2r7c3r8c3|14,r7c4r7c5r7c6|7,r7c7r8c7|23,r5c8r6c8r7c8r8c8|10,r8c1r8c2|13,r8c4r8c5r8c6", "solution": "158249367436187592972365184567918243284753916319624875645892731823471659791536428", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1704, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1705, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-20", "puzzle": "8,r0c0r0c1|7,r0c3r0c4|33,r0c5r0c6r0c7r0c8r1c7r1c8|9,r0c2r1c2|19,r1c3r1c4r2c4|9,r1c5r1c6|19,r1c0r2c0r3c0|14,r1c1r2c1|9,r2c2r2c3r3c3|11,r2c5r2c6|12,r2c7r2c8r3c8|6,r3c4r4c4r5c4|15,r3c1r3c2r4c0r4c1|20,r4c2r5c1r5c2|16,r4c3r5c3|12,r3c5r4c5|22,r3c6r3c7r4c6|16,r4c7r4c8r5c6r5c7|11,r5c0r6c0r6c1|6,r6c2r6c3|12,r5c5r6c5r6c6|9,r6c7r7c7|16,r5c8r6c8r7c8|15,r7c2r7c3|16,r6c4r7c4r7c5|9,r7c6r8c6|29,r7c0r7c1r8c0r8c1r8c2r8c3|10,r8c4r8c5|15,r8c7r8c8", "solution": "621349857498657231753182946816534792539728614274916385362495178947861523185273469", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1705, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1706, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-07-20", "puzzle": "27,r0c0r0c1r1c0r1c1|18,r0c2r0c3r0c4r1c4|7,r0c6r0c7|12,r0c5r1c5|36,r1c2r1c3r2c2r2c3r2c4r3c3r3c4|38,r0c8r1c6r1c7r1c8r2c6r2c7r2c8|9,r2c0r3c0r4c0|7,r2c1r3c1r3c2|16,r2c5r3c5r3c6|13,r3c8r4c8|25,r4c3r4c4r4c5r4c6r5c4|14,r3c7r4c7|37,r4c1r4c2r5c0r5c1r5c2r5c3|6,r5c7r5c8|36,r6c0r6c1r6c2r6c3r6c4r7c1r7c3|18,r5c5r5c6r6c5r6c6r7c5|11,r6c7r6c8|16,r7c0r8c0r8c1|10,r7c2r8c2|16,r7c4r8c3r8c4r8c5|23,r7c6r7c7r8c6r8c7|10,r7c8r8c8", "solution": "695827431487135692312946578124583769536719284978462315743298156851674923269351847", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1706, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1707, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-07-21", "puzzle": 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"18,r0c0r0c1r0c2r0c3|20,r0c5r0c6r0c7r1c5|21,r1c0r1c1r2c1r2c2|8,r1c2r1c3|10,r0c4r1c4|10,r1c6r1c7|24,r0c8r1c8r2c8r3c8|6,r2c3r2c4|9,r2c5r3c5|12,r2c6r2c7r3c7|19,r2c0r3c0r4c0|17,r3c1r3c2r4c1|7,r4c2r5c2|36,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|7,r3c6r4c6|16,r4c7r5c6r5c7|17,r4c8r5c8r6c8|17,r5c1r6c1r6c2|9,r5c3r6c3|6,r6c4r6c5|16,r5c0r6c0r7c0r8c0|10,r7c1r7c2|13,r7c4r8c4|9,r7c5r7c6|21,r6c6r6c7r7c7r7c8|29,r7c3r8c1r8c2r8c3|18,r8c5r8c6r8c7r8c8", "solution": "362798514745316289891245736679184325513627498284539167936451872428973651157862943", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1709, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1708, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-21", "puzzle": "9,r0c0r0c1|24,r0c2r0c3r0c4r0c5|9,r0c7r0c8|9,r1c1r1c2|11,r1c3r1c4|8,r0c6r1c6|13,r1c7r1c8|11,r1c0r2c0|17,r1c5r2c4r2c5|14,r2c2r2c3r3c2|20,r3c3r3c4r4c4r5c3r5c4|19,r2c6r3c5r3c6|11,r2c7r2c8r3c7|18,r3c8r4c8r5c8|14,r3c0r4c0r5c0|4,r4c2r4c3|20,r4c5r4c6r4c7|20,r2c1r3c1r4c1r5c1r6c1|18,r5c2r6c2r6c3|22,r5c5r5c6r6c6|12,r5c7r6c7r6c8|5,r6c0r7c0|13,r6c4r6c5r7c5|11,r7c1r7c2|14,r7c3r7c4|3,r7c6r8c6|13,r7c7r7c8|16,r8c0r8c1|18,r8c2r8c3r8c4r8c5|9,r8c7r8c8", "solution": "819546372672831594534297681358719426241368759967425813125674938483952167796183245", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1708, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1710, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-22", "puzzle": "24,r0c0r0c1r0c2r1c2r2c2r2c3|17,r0c3r0c4r1c3r1c4|11,r0c5r0c6|23,r0c7r0c8r1c7|30,r1c0r1c1r2c0r2c1|3,r1c5r1c6|13,r2c4r2c5r3c5|12,r1c8r2c7r2c8|17,r3c1r3c2r3c3r3c4|13,r2c6r3c6|8,r3c0r4c0|11,r4c1r4c2|21,r3c7r4c7r5c7r5c8|7,r3c8r4c8|15,r5c1r5c2|9,r4c3r5c3|17,r4c4r5c4|14,r4c5r4c6r5c5r6c5|7,r5c0r6c0|13,r6c2r6c3r7c3|16,r5c6r6c6|12,r6c1r7c1|17,r6c4r7c4r7c5|4,r7c6r7c7|11,r6c7r6c8r7c8|8,r7c0r8c0|15,r7c2r8c1r8c2|7,r8c3r8c4|15,r8c5r8c6|15,r8c7r8c8", "solution": "523817469964352187871964523752643891138795246496281735387126954649578312215439678", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1710, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1711, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-22", "puzzle": "11,r0c0r0c1|19,r0c2r0c3r1c2r1c3|19,r1c0r1c1r2c0r3c0|17,r0c4r1c4|7,r0c5r1c5|22,r0c6r0c7r0c8r1c7|21,r2c1r2c2r2c3r2c4|14,r1c6r2c5r2c6r3c5|28,r1c8r2c7r2c8r3c8r4c8|9,r3c1r3c2|11,r3c3r3c4|11,r3c6r3c7|10,r4c1r4c2|18,r4c3r4c4r4c5|6,r4c6r4c7|10,r5c1r5c2|5,r5c4r5c5|10,r5c6r5c7|26,r4c0r5c0r6c0r6c1r7c0|17,r5c3r6c2r6c3r7c2|26,r6c4r6c5r6c6r6c7|20,r7c1r8c0r8c1r8c2|6,r7c3r8c3|7,r7c4r8c4|16,r5c8r6c8r7c7r7c8|30,r7c5r7c6r8c5r8c6|9,r8c7r8c8", "solution": "382496175456781392197325468918652743264873519573914286745268931831549627629137854", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1711, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1712, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-07-22", "puzzle": "18,r0c0r0c1r0c2r1c2|10,r0c3r0c4|33,r0c6r0c7r0c8r1c7r1c8r2c7r2c8|13,r1c0r1c1|10,r0c5r1c5|18,r1c3r1c4r2c2r2c3|10,r2c4r2c5|12,r1c6r2c6|9,r2c0r3c0|40,r2c1r3c1r3c2r3c3r3c4r4c3r4c4|9,r3c5r3c6|23,r3c7r3c8r4c7r4c8|14,r4c1r4c2r5c1|8,r5c2r5c3|12,r4c5r5c4r5c5|6,r4c6r5c6r5c7|22,r4c0r5c0r6c0r6c1|34,r6c2r6c3r6c4r6c5r7c5r8c5|23,r5c8r6c7r6c8r7c8|15,r7c3r7c4r8c4|10,r6c6r7c6|13,r7c0r8c0|11,r7c1r7c2r8c1|11,r8c2r8c3|21,r7c7r8c6r8c7r8c8", "solution": "128374596497526831653819427364192758915783264782645319246938175531467982879251643", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1712, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1713, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-23", "puzzle": "25,r0c0r0c1r0c2r0c3r1c1|10,r0c4r0c5|19,r0c6r0c7r1c7|7,r1c2r1c3r2c3|9,r0c8r1c8|4,r1c0r2c0|17,r2c1r2c2|27,r1c4r1c5r1c6r2c4|9,r2c5r2c6|17,r2c7r2c8r3c8|12,r3c0r3c1r4c0|10,r3c2r3c3|13,r4c1r5c1|7,r4c2r5c2|13,r3c6r4c6|6,r3c7r4c7|37,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|14,r5c5r5c6|9,r4c8r5c7r5c8|13,r5c0r6c0r6c1|12,r6c2r6c3|21,r6c4r7c2r7c3r7c4|10,r6c6r6c7|9,r6c8r7c8|17,r7c0r8c0|12,r6c5r7c5r7c6|10,r7c1r8c1r8c2|10,r8c3r8c4|26,r7c7r8c5r8c6r8c7r8c8", "solution": "465328971172469538389175426738254619246891753591736842627583194913647285854912367", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1713, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1714, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-23", "puzzle": "12,r0c0r0c1r1c0|14,r0c2r0c3|13,r0c4r0c5r1c4|14,r1c1r1c2r2c2|30,r1c5r1c6r1c7r2c6r2c7r3c7|26,r0c6r0c7r0c8r1c8r2c8|12,r1c3r2c3r3c3|8,r2c4r2c5|16,r2c0r3c0r4c0|7,r2c1r3c1|19,r3c4r3c5r4c5|15,r3c6r4c6|14,r3c8r4c7r4c8|10,r3c2r4c2|15,r4c1r5c1r5c2|19,r4c3r4c4r5c3r5c4|12,r5c5r5c6r5c7|13,r5c8r6c8|13,r5c0r6c0|16,r6c1r6c2r7c1r7c2|15,r6c4r6c5|6,r6c6r6c7r7c7|14,r6c3r7c3r7c4|16,r7c5r7c6|17,r7c8r8c7r8c8|17,r7c0r8c0r8c1|8,r8c2r8c3|14,r8c4r8c5r8c6", "solution": "148632579735489162926571483459368721361725894872914356514896237683247915297153648", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1714, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1716, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-24", "puzzle": "14,r0c0r0c1|14,r0c2r0c3|5,r0c7r0c8|16,r0c4r1c4|11,r0c5r0c6r1c5|8,r1c6r1c7|11,r1c0r2c0|10,r1c1r2c1|9,r1c2r1c3r2c2|5,r2c3r2c4|18,r2c5r2c6r2c7|14,r1c8r2c8|9,r3c0r3c1r4c0|12,r3c7r3c8|16,r3c2r4c1r4c2|12,r4c3r5c2r5c3|22,r3c5r3c6r4c5|15,r4c6r4c7r5c6|11,r5c0r5c1|25,r3c3r3c4r4c4r5c4r5c5|13,r4c8r5c7r5c8|4,r6c0r7c0|15,r6c1r6c2r6c3|15,r6c4r6c5|12,r6c6r7c5r7c6|10,r6c7r7c7|6,r6c8r7c8|14,r7c1r7c2|22,r7c3r8c2r8c3|6,r7c4r8c4|9,r8c0r8c1|5,r8c5r8c6|17,r8c7r8c8", "solution": "956871432423596178781324956214768593675239814839145627192487365368952741547613289", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1716, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1717, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-24", "puzzle": "14,r0c0r0c1r1c0r1c1|17,r0c4r0c5|13,r0c2r0c3r1c2|12,r1c4r1c5|11,r0c6r1c6|11,r0c7r1c7|11,r0c8r1c8|15,r2c0r2c1r3c0|34,r1c3r2c2r2c3r2c4r3c1r3c2r4c2|16,r2c5r2c6r3c5|37,r2c7r3c7r4c7r4c8r5c7r5c8|5,r2c8r3c8|20,r3c3r3c4r4c3r4c4|6,r3c6r4c6|8,r4c0r5c0|15,r4c1r5c1|15,r5c2r5c3r6c2|14,r4c5r5c4r5c5|11,r6c0r6c1|12,r6c3r6c4|33,r5c6r6c5r6c6r6c7r6c8r7c6r8c6|11,r7c0r7c1|27,r7c2r7c3r7c4r7c5r8c4r8c5|11,r8c0r8c1|4,r8c2r8c3|22,r7c7r7c8r8c7r8c8", "solution": "617489352342175869589623741253896174798214536164537298926758413835941627471362985", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1717, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1720, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-07-25", "puzzle": "15,r0c3r0c4r1c4|23,r0c5r0c6r0c7|9,r0c0r1c0|6,r0c1r1c1|12,r0c2r1c2r1c3|14,r1c5r2c5|15,r1c6r1c7r2c6r2c7|23,r0c8r1c8r2c8r3c8|11,r2c1r2c2|5,r2c3r2c4|21,r2c0r3c0r4c0|21,r3c2r3c3r4c2|10,r3c4r4c4|8,r3c5r4c5|13,r3c6r4c6|17,r3c7r4c7r4c8r5c8r6c8|12,r3c1r4c1r5c0r5c1|27,r4c3r5c3r5c4r6c4r7c4|17,r5c5r5c6r5c7|20,r6c0r6c1r7c0r8c0|11,r5c2r6c2|4,r6c5r6c6|13,r6c3r7c3|20,r6c7r7c6r7c7r7c8|26,r7c1r7c2r8c1r8c2r8c3|15,r7c5r8c4r8c5|17,r8c6r8c7r8c8", "solution": "123759864847236159956418273568923417714685932239174586672891345391547628485362791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1720, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1715, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-07-23", "puzzle": "11,r0c0r0c1|13,r0c7r0c8|18,r0c2r0c3r1c2|15,r0c4r1c3r1c4r1c5r2c4|14,r0c5r0c6r1c6|16,r1c0r1c1r2c0r2c1|17,r2c2r2c3r3c2|18,r2c5r2c6r3c6|22,r1c7r1c8r2c7r2c8|15,r3c0r3c1|35,r3c3r3c4r3c5r4c3r4c4r4c5r5c4|4,r3c7r3c8|24,r4c2r5c1r5c2r5c3r6c1|24,r4c6r5c5r5c6r5c7r6c7|24,r4c0r4c1r5c0r6c0|25,r6c2r6c3r6c4r6c5r6c6r7c4|26,r4c7r4c8r5c8r6c8|8,r7c0r8c0|23,r7c1r7c2r8c1r8c2|23,r7c3r7c5r8c3r8c4r8c5|25,r7c6r7c7r8c6r8c7|5,r7c8r8c8", "solution": "385627149497351682126948375962584713743216958518793426851439267279165834634872591", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1715, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1719, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-25", "puzzle": "29,r0c0r0c1r0c2r1c1r1c2r2c1|14,r0c3r0c4r1c3|8,r0c5r0c6r1c6|16,r0c7r0c8|9,r1c7r1c8|13,r1c0r2c0|7,r2c2r2c3|21,r1c4r1c5r2c4r3c4|20,r2c6r2c7r2c8r3c6|8,r3c0r3c1|10,r3c2r3c3|14,r2c5r3c5|27,r4c0r4c1r4c2r5c0r5c1|23,r4c3r4c4r4c5|19,r3c7r3c8r4c6r4c7r4c8|12,r5c3r6c3|13,r5c5r5c6|13,r5c7r5c8|13,r5c2r6c0r6c1r6c2|20,r5c4r6c4r7c3r7c4|13,r6c5r6c6|3,r6c8r7c8|9,r7c0r7c1|13,r8c0r8c1|13,r7c2r8c2r8c3|8,r7c5r8c4r8c5|37,r6c7r7c6r7c7r8c6r8c7r8c8", "solution": "528631479694572318713489256269145783437896125851327694372968541186754932945213867", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1719, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1718, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-07-24", "puzzle": "16,r0c5r0c6r1c5r1c6|6,r0c7r0c8r1c7|45,r0c0r0c1r0c2r0c3r0c4r1c0r1c1r1c4r2c0|15,r1c2r1c3|8,r2c2r2c3|12,r2c7r3c7|14,r1c8r2c8|26,r2c1r3c1r3c2r4c1r5c1|23,r2c4r2c5r2c6r3c3r3c4|23,r3c0r4c0r5c0|29,r4c2r4c3r4c4r5c2r6c2r6c3|20,r3c5r3c6r4c5r5c5|36,r3c8r4c7r4c8r5c7r6c7r7c7|14,r5c3r5c4r6c4r7c4|28,r4c6r5c6r6c5r6c6r7c5r7c6|9,r5c8r6c8|7,r7c2r7c3|28,r6c0r6c1r7c0r7c1r8c0r8c1|25,r8c2r8c3r8c4r8c5|21,r7c8r8c6r8c7r8c8", "solution": "376895421548721639192634785957182346634579218821346957463918572785263194219457863", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1718, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1722, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-07-26", "puzzle": "22,r0c3r0c4r0c5r0c6r1c6r2c6|17,r0c7r0c8|37,r0c0r0c1r0c2r1c0r1c1r2c0r3c0r4c0|7,r1c2r1c3|12,r1c7r1c8|12,r2c2r2c3|24,r1c4r1c5r2c4r2c5|8,r2c7r2c8|15,r2c1r3c1|18,r3c6r3c7r3c8r4c8|10,r3c2r4c1r4c2|15,r3c3r4c3r5c3|22,r3c4r3c5r4c4|18,r4c6r4c7r5c6|19,r5c1r5c2r6c1|4,r4c5r5c5|10,r5c0r6c0|7,r6c2r6c3|9,r5c4r6c4|15,r6c5r6c6r7c6r7c7|17,r5c7r5c8r6c7|13,r7c0r7c1r7c2r8c2|12,r7c4r7c5|13,r8c0r8c1|15,r7c3r8c3|10,r8c4r8c5|24,r6c8r7c8r8c6r8c7r8c8", "solution": "613725498294368157578419326485276931732891645169543872946152783327684519851937264", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1722, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1721, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-07-25", "puzzle": 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"18,r0c1r0c2r0c3|13,r0c4r0c5r0c6|8,r0c0r1c0|16,r1c1r1c2r2c2|18,r1c3r1c4r2c4r3c4|11,r1c5r1c6|12,r0c7r1c7|6,r0c8r1c8|15,r2c0r2c1r3c1|10,r2c5r2c6|13,r2c7r2c8|11,r2c3r3c3|6,r3c6r3c7|14,r3c0r4c0|10,r3c2r4c2r4c3|14,r3c5r4c4r4c5|17,r4c6r4c7|6,r3c8r4c8|16,r4c1r5c1|5,r5c2r5c3|25,r5c4r5c5r6c5r7c5r8c5|16,r5c6r5c7r5c8|18,r5c0r6c0r6c1r6c2|23,r6c3r6c4r7c4r8c4|4,r6c6r6c7|11,r7c0r7c1|4,r8c0r8c1|14,r7c2r8c2|10,r7c3r8c3|11,r7c6r8c6|7,r7c7r8c7|23,r6c8r7c8r8c8", "solution": "163947285759268341482531967834679512675123894291485673547892136926314758318756429", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1725, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1728, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2010-07-28", "puzzle": "12,r0c2r0c3|13,r0c4r0c5|24,r0c6r0c7r0c8r1c8|10,r0c0r1c0|3,r0c1r1c1|9,r1c2r1c3r1c4|10,r1c6r1c7|16,r2c1r2c2r3c2|13,r2c3r2c4|11,r1c5r2c5|11,r2c6r2c7r2c8|18,r2c0r3c0r3c1|25,r3c3r3c4r4c4r5c4r5c5|10,r3c7r3c8|8,r4c0r4c1|16,r4c2r5c2|5,r4c3r5c3|15,r3c5r4c5|7,r3c6r4c6|11,r4c7r4c8|6,r5c0r5c1|11,r5c7r5c8r6c8|19,r6c0r6c1r6c2|15,r6c3r7c3|5,r6c4r6c5|20,r5c6r6c6r6c7|8,r7c1r7c2|9,r7c4r7c5r7c6|13,r7c7r8c7|7,r7c8r8c8|18,r7c0r8c0r8c1r8c2|15,r8c3r8c4|12,r8c5r8c6", "solution": "318476925725139648694582137843657219269318574157294863586741392971823456432965781", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1728, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1727, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-07-27", "puzzle": "18,r0c0r0c1r0c2r0c3|31,r1c0r1c1r1c2r1c3r2c2r3c2r4c2|11,r0c4r1c4|15,r0c5r1c5|14,r0c6r0c7r1c6|16,r0c8r1c7r1c8|12,r2c0r2c1|10,r2c4r2c5r2c6|15,r3c0r3c1|15,r2c3r3c3r4c3|9,r3c6r4c6|14,r2c7r3c7|9,r2c8r3c8|26,r4c0r4c1r5c1r5c2r5c3|27,r3c4r4c4r5c4r6c4r6c5|5,r3c5r4c5|14,r4c7r4c8|20,r5c5r5c6r6c6r7c6|9,r5c7r5c8|6,r5c0r6c0|24,r6c1r6c2r6c3|6,r6c7r6c8r7c8|14,r7c0r7c1r7c2r8c0|9,r7c3r7c4|11,r8c1r8c2|7,r8c3r8c4|13,r7c5r8c5|25,r7c7r8c6r8c7r8c8", "solution": "851436927762189345934527168693754281248361759175892436587943612416275893329618574", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1727, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1729, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-07-28", "puzzle": "11,r0c5r0c6r0c7|9,r0c0r1c0|20,r0c1r0c2r1c1r1c2|23,r0c3r0c4r1c3r1c4|26,r2c1r2c2r2c3r2c4r3c3|4,r1c5r2c5|32,r0c8r1c6r1c7r1c8r2c8r3c8|16,r2c0r3c0r3c1|5,r3c4r3c5|23,r4c0r4c1r5c1r6c1|23,r3c2r4c2r5c2r6c2|20,r4c3r4c4r4c5|18,r2c6r3c6r4c6r5c6|22,r2c7r3c7r4c7r4c8|10,r5c3r5c4|10,r5c7r5c8r6c8|32,r5c0r6c0r7c0r7c1r7c2r8c0|4,r6c3r7c3|30,r5c5r6c4r6c5r6c6r6c7|24,r7c4r7c5r8c4r8c5|20,r7c6r7c7r8c6r8c7|13,r7c8r8c8|10,r8c1r8c2r8c3", "solution": "769452183241863597835971462358214976427596318196738245982347651674125839513689724", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1729, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1730, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2010-04-01", "puzzle": "9,r0c0r0c1r1c0|0,r0c2r0c3|0,r0c4r0c5r0c6|18,r1c1r1c2r1c3|0,r1c4r1c5|0,r1c6r2c6r2c7|0,r0c7r1c7|0,r0c8r1c8|0,r2c0r2c1|0,r2c3r2c4r2c5|17,r2c2r3c2r3c3|18,r3c4r4c4r5c4|10,r2c8r3c8|4,r3c0r4c0|7,r3c1r4c1|24,r4c2r5c1r5c2|3,r4c3r5c3|15,r3c5r4c5|0,r3c6r3c7r4c6|0,r4c7r5c7|0,r4c8r5c8|0,r5c0r6c0|11,r5c5r5c6r6c6|0,r6c3r6c4r6c5|14,r6c7r6c8|12,r7c0r8c0|13,r7c1r8c1|0,r6c1r6c2r7c2|0,r7c3r7c4|13,r7c5r7c6r7c7|0,r8c2r8c3r8c4|4,r8c5r8c6|11,r7c8r8c7r8c8", "solution": "231497568475628913968315724124579836359186247687234195812743659593862471746951382", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1730, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1736, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2010-04-04", "puzzle": 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"0,r0c5r0c6r0c7|13,r0c0r1c0|14,r0c1r1c1|0,r0c2r1c2|7,r0c3r0c4r1c3|0,r1c4r1c5r1c6|7,r0c8r1c7r1c8|22,r2c3r2c4r3c3|0,r2c6r2c7r3c6|0,r2c0r3c0|0,r2c1r2c2r3c1|0,r3c4r4c4r5c4|9,r3c7r4c7|13,r2c8r3c8r4c8|16,r3c2r4c2|17,r4c3r5c3r6c3|0,r2c5r3c5r4c5|7,r4c6r5c6|0,r4c0r5c0r6c0|4,r4c1r5c1|0,r5c7r6c6r6c7|16,r5c8r6c8|0,r5c2r6c1r6c2|11,r5c5r6c4r6c5|18,r7c0r7c1r8c0|0,r7c2r7c3r7c4|18,r7c5r8c4r8c5|0,r7c6r8c6|0,r7c7r8c7|0,r7c8r8c8|14,r8c1r8c2r8c3", "solution": "753246981698153724241987563867519342419372658532864197374625819986431275125798436", "extra": "{\"grid_size\": 9, \"puzzle_number\": 1737, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 1749, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2010-04-10", "puzzle": 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"22,r0c1r0c2r1c1|9,r0c3r0c4|10,r0c7r0c8|7,r0c0r1c0|18,r1c2r1c3r1c4r2c4|30,r0c5r0c6r1c5r1c6r1c7r1c8|4,r2c2r2c3|16,r2c6r2c7r2c8|15,r2c0r2c1r3c0|16,r3c2r3c3|12,r2c5r3c4r3c5|14,r3c6r3c7r4c6|7,r4c0r5c0|14,r3c1r4c1|16,r4c3r4c4r4c5|4,r4c7r5c7|13,r3c8r4c8|14,r4c2r5c1r5c2|15,r5c3r5c4r6c3|11,r5c5r5c6|20,r5c8r6c7r6c8|11,r6c0r6c1r6c2|10,r6c5r6c6|30,r7c0r7c1r7c2r7c3r8c2r8c3|27,r6c4r7c4r7c5r7c6|3,r7c8r8c8|10,r8c0r8c1|11,r8c4r8c5|16,r7c7r8c6r8c7", "solution": "579182364263549178841367295357914826692853417184726539425671983738295641916438752", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2070, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2071, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-08-04", "puzzle": 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"13,r0c0r0c1r1c0|9,r0c3r0c4|12,r0c6r0c7r0c8|24,r0c2r1c1r1c2|15,r1c3r1c4r2c4|10,r0c5r1c5|10,r1c7r1c8|13,r2c0r2c1r3c0|4,r3c1r4c1|10,r2c2r3c2r4c2|16,r2c3r3c3|8,r2c5r3c4r3c5|16,r1c6r2c6r3c6|16,r2c7r3c7|17,r2c8r3c8r4c8|15,r4c3r4c4r4c5|18,r4c0r5c0r6c0|7,r5c1r6c1|12,r5c2r6c2r7c2|17,r5c3r5c4r6c3|17,r5c5r6c5|8,r4c6r5c6r6c6|8,r4c7r5c7|18,r5c8r6c7r6c8|13,r7c0r7c1|8,r7c3r8c3|15,r6c4r7c4r7c5|24,r7c6r7c7r8c6|21,r8c0r8c1r8c2|5,r8c4r8c5|6,r7c8r8c7r8c8", "solution": "269187543578463219341952678632715894817294365954638127123879456495326781786541932", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2153, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2154, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-09-18", "puzzle": 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"23,r0c3r0c4r0c5|6,r0c6r1c6r2c6|14,r0c0r0c1r1c0|12,r0c2r1c2r1c3|6,r1c4r1c5|16,r0c7r1c7|9,r0c8r1c8|19,r1c1r2c1r3c1|9,r2c2r2c3r2c4|17,r2c7r2c8r3c8|21,r2c0r3c0r4c0|12,r3c2r3c3r4c2|12,r2c5r3c5r4c5|19,r3c6r3c7r4c7|16,r3c4r4c4r5c4|10,r4c1r5c1r5c2|18,r4c3r5c3r6c3|24,r4c6r5c5r5c6|12,r4c8r5c8r6c8|12,r5c0r6c0r6c1|14,r6c4r6c5r6c6|10,r5c7r6c7r7c7|8,r7c0r8c0|8,r7c1r8c1|16,r7c3r7c4|11,r7c5r7c6r8c6|16,r7c8r8c7r8c8|20,r6c2r7c2r8c2|15,r8c3r8c4r8c5", "solution": "521968374768324195493517286845172963916853742372649851187436529254791638639285417", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2158, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2159, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-09-19", "puzzle": "11,r0c0r0c1|8,r0c2r0c3|26,r0c4r0c5r0c6r0c7r0c8|5,r1c0r1c1|12,r1c2r1c3|11,r1c4r1c5|10,r1c6r1c7|28,r2c0r2c1r2c2r2c3|8,r2c4r2c5r2c6|23,r1c8r2c7r2c8r3c7r3c8|20,r3c2r4c2r5c2|10,r3c5r3c6|9,r3c0r4c0r5c0|16,r3c1r4c1r5c1|29,r3c3r3c4r4c3r5c3r5c4|17,r4c4r4c5r4c6|4,r4c7r4c8|7,r5c5r5c6|13,r6c0r6c1r6c2r6c3|18,r6c4r6c5r6c6|32,r5c7r5c8r6c7r6c8r7c8|8,r7c0r7c1|11,r7c2r7c3|17,r7c4r7c5|7,r7c6r7c7|17,r8c0r8c1|8,r8c2r8c3|20,r8c4r8c5r8c6r8c7r8c8", "solution": "561739284324865197879412536138976425697254813245381679453127968716598342982643751", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2159, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2160, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-09-19", "puzzle": 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"8,r0c0r0c1|15,r0c5r0c6r0c7|17,r0c2r1c2|20,r0c3r0c4r1c3|17,r1c5r1c6r1c7|6,r0c8r1c8r2c8|11,r1c0r2c0|7,r1c1r2c1|20,r3c1r4c1r5c1|5,r2c2r3c2|14,r2c3r3c3|7,r1c4r2c4r3c4|12,r2c5r3c5|24,r2c6r2c7r3c6|15,r3c0r4c0r5c0|15,r4c2r4c3r4c4|11,r4c5r4c6|19,r3c8r4c8r5c8|5,r5c2r6c2|13,r5c3r6c3|14,r5c4r6c4r7c4|12,r5c5r6c5|15,r5c6r6c6r6c7|6,r3c7r4c7r5c7|9,r6c0r7c0|8,r6c1r7c1|12,r7c2r8c2|13,r7c3r8c3r8c4|8,r7c5r7c6r7c7|20,r6c8r7c8r8c8|12,r8c0r8c1|15,r8c5r8c6r8c7", "solution": "718396542539824671642517893283945716476182935951763428124659387867431259395278164", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2224, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2225, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-10-10", "puzzle": 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"21,r0c0r0c1r1c0r1c1r2c0r3c0|10,r0c3r0c4|13,r0c6r0c7r0c8|19,r0c2r1c2r1c3r1c4|8,r0c5r1c5|17,r1c7r1c8r2c8|16,r2c1r2c2|0,r2c5r3c5|0,r1c6r2c6r3c6|8,r3c1r3c2|0,r2c3r3c3|0,r2c4r3c4|0,r2c7r3c7r4c6r4c7|0,r4c0r5c0|0,r4c3r4c4r4c5|14,r3c8r4c8|0,r4c1r4c2r5c1r6c1|0,r5c4r6c4|11,r5c5r6c5|0,r5c6r5c7|12,r5c2r6c2r7c2|13,r5c3r6c3|0,r6c6r6c7|13,r6c0r7c0r7c1|0,r7c3r8c3|23,r7c4r7c5r7c6r8c6|0,r8c0r8c1r8c2|0,r8c4r8c5|26,r5c8r6c8r7c7r7c8r8c7r8c8", "solution": "538916247461732859279485613153267498827149536694853721346598172912674385785321964", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2227, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2226, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-10-10", "puzzle": "18,r0c0r0c1r0c2|19,r1c1r1c2r2c1|5,r0c5r1c5|22,r0c6r0c7r1c6|13,r0c8r1c7r1c8|11,r1c0r2c0r3c0|16,r1c3r2c3|19,r0c3r0c4r1c4r2c4|25,r2c5r2c6r2c7r3c4r3c5|12,r2c2r3c2r3c3|8,r3c6r3c7|11,r2c8r3c8|11,r3c1r4c0r4c1|25,r4c2r4c3r4c4r4c5r4c6|18,r4c7r4c8r5c7|7,r5c0r6c0|14,r5c1r5c2|11,r5c5r5c6r6c6|29,r5c3r5c4r6c1r6c2r6c3|14,r6c4r7c4r8c4r8c5|16,r6c5r7c5|13,r5c8r6c8r7c8|16,r7c0r7c1r8c0|11,r7c2r8c1r8c2|9,r7c3r8c3|12,r6c7r7c6r7c7|20,r8c6r8c7r8c8", "solution": "972413856156782943384965712713548269468291537295376481549637128621859374837124695", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2226, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2228, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2010-10-10", "puzzle": 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"19,r0c1r0c2r1c2|12,r0c3r0c4r0c5|15,r0c6r0c7r1c6|17,r0c0r1c0r1c1|19,r1c4r2c4r3c4|10,r0c8r1c7r1c8|16,r1c3r2c3|7,r1c5r2c5|7,r2c0r3c0|10,r2c1r3c1|7,r2c2r3c2|10,r2c6r3c6|12,r2c7r3c7|4,r2c8r3c8|12,r4c0r4c1r5c1|14,r3c3r4c3|11,r3c5r4c5|23,r4c7r4c8r5c7|9,r4c2r5c2|5,r5c3r6c3|7,r4c4r5c4|11,r5c5r6c5|9,r4c6r5c6|14,r5c0r6c0|7,r6c1r6c2|16,r6c6r6c7|9,r5c8r6c8|12,r7c1r7c2|11,r6c4r7c4r8c4|5,r7c6r7c7|9,r7c0r8c0|12,r8c1r8c2|7,r7c3r8c3|15,r7c5r8c5|8,r8c6r8c7|14,r7c8r8c8", "solution": "497381625853962714162745893645897231371624589928153467516438972239576148784219356", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2272, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2273, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-10-20", "puzzle": 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"16,r0c2r0c3|7,r0c6r0c7|13,r0c0r0c1r1c0|5,r0c4r1c4|9,r0c5r1c5|24,r0c8r1c7r1c8|20,r2c0r3c0r3c1|9,r1c1r2c1|7,r1c2r2c2|11,r1c3r2c3|11,r2c4r2c5|6,r1c6r2c6|8,r2c7r2c8|12,r3c2r3c3r3c4|17,r4c0r4c1r4c2|5,r4c3r4c4|19,r3c6r4c6r5c6|8,r3c8r4c8r5c8|17,r5c2r5c3r5c4|14,r3c5r4c5r5c5|18,r3c7r4c7r5c7|15,r5c0r5c1r6c0|7,r6c1r7c1|14,r6c2r7c2|12,r6c3r7c3|7,r6c4r6c5|9,r6c6r7c6|9,r6c7r6c8|17,r7c0r8c0r8c1|7,r7c4r8c4|16,r7c5r8c5|14,r7c7r7c8r8c8|9,r8c2r8c3|13,r8c6r8c7", "solution": "657921348214638597983574126471293685368145972592786431149852763835467219726319854", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2276, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2277, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2010-09-25", "puzzle": 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"15,r0c0r0c1r1c0|0,r0c4r0c5|0,r0c7r0c8|0,r0c2r1c2|0,r0c3r1c3|0,r1c4r1c5|0,r0c6r1c6|16,r1c7r1c8r2c8|17,r1c1r2c1|8,r2c2r2c3|6,r2c0r3c0|0,r3c1r3c2r3c3r4c2|15,r2c4r3c4|0,r2c5r3c5|13,r2c6r2c7r3c6|0,r4c3r4c4r4c5|0,r3c7r3c8r4c7r4c8|0,r4c0r5c0|0,r4c1r5c1r5c2|0,r5c3r5c4r6c3|17,r4c6r5c6r6c6|11,r5c7r5c8|6,r5c5r6c5|35,r6c0r6c1r7c0r7c1r8c0r8c1|9,r6c2r7c2|5,r6c4r7c4|0,r6c7r6c8r7c7r7c8r8c8|10,r7c3r8c2r8c3|0,r7c5r7c6r8c4r8c5r8c6r8c7", "solution": "264159738783624195195387642518472369476893521329561874632915487857246913941738256", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2279, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2280, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2010-09-25", "puzzle": 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"0,r0c3r0c4r0c5|0,r0c6r0c7|0,r0c0r1c0|12,r0c1r0c2r1c1|0,r1c2r1c3|21,r1c4r1c5r1c6|0,r0c8r1c8|0,r2c4r2c5r2c6r3c4|0,r1c7r2c7|0,r2c0r3c0|0,r2c1r2c2r3c1|0,r2c3r3c2r3c3|0,r3c5r4c4r4c5r5c5|7,r3c6r3c7|6,r2c8r3c8|10,r4c0r4c1|12,r4c2r4c3|15,r4c6r4c7r4c8|0,r5c0r6c0|0,r5c1r6c1r6c2|0,r5c2r5c3r6c3|14,r5c6r5c7|17,r5c8r6c8|0,r5c4r6c4r6c5r6c6|0,r6c7r7c7|13,r7c0r8c0|17,r7c1r8c1r8c2|0,r7c2r7c3|17,r7c4r7c5r7c6|0,r7c8r8c8|6,r8c3r8c4r8c5|14,r8c6r8c7", "solution": "961523487257184936483697215725869341198435672634271598346758129812946753579312864", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2295, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2299, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-09-30", "puzzle": 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"9,r0c0r0c1|7,r0c2r0c3|13,r0c4r0c5r0c6|22,r0c7r0c8r1c7r1c8|21,r1c0r1c1r1c2r1c3|18,r1c4r1c5r1c6|9,r2c0r2c1|12,r2c2r2c3|9,r3c2r3c3|6,r2c4r3c4|13,r2c5r3c5|16,r2c6r3c6r4c6|14,r2c7r3c7|12,r2c8r3c8|5,r3c0r4c0|9,r3c1r4c1|17,r4c3r4c4r4c5|6,r4c7r5c7|10,r4c8r5c8|10,r5c0r6c0|11,r5c1r6c1|15,r4c2r5c2r6c2|9,r5c3r6c3|11,r5c4r6c4|7,r5c5r5c6|9,r6c5r6c6|15,r6c7r6c8|23,r7c2r7c3r7c4|10,r7c5r7c6r7c7r7c8|22,r7c0r7c1r8c0r8c1|18,r8c2r8c3r8c4|9,r8c5r8c6|8,r8c7r8c8", "solution": "814326579695187342723954168357219684241638957986475213138542796579863421462791835", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2306, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2305, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2010-10-01", "puzzle": "15,r0c4r0c5r1c5|11,r0c0r1c0|15,r0c1r1c1|9,r0c2r1c2|21,r0c3r1c3r1c4r2c4|21,r0c6r0c7r0c8r1c6|7,r1c7r1c8|13,r2c0r2c1r2c2r3c0|5,r2c5r2c6|30,r2c3r3c1r3c2r3c3|33,r2c7r3c7r4c6r4c7r5c7r6c7|26,r2c8r3c8r4c8r5c8r6c8|9,r4c0r4c1|9,r4c2r4c3|15,r3c4r4c4r5c4|20,r3c5r3c6r4c5r5c5r5c6|21,r5c1r5c2r5c3r6c3|16,r5c0r6c0r6c1r6c2|11,r6c5r6c6|14,r7c0r8c0|8,r7c1r8c1|11,r7c2r8c2|18,r6c4r7c3r7c4r8c3|26,r7c6r8c6r8c7r8c8|7,r7c7r7c8|14,r7c5r8c4r8c5", "solution": "283516947976438152541792386369875214728164593415923678192687435834259761657341829", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2305, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2309, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-10-02", "puzzle": "13,r0c4r0c5r1c4|19,r0c0r0c1r1c0|18,r0c2r1c1r1c2|5,r0c3r1c3|13,r0c6r1c6|8,r0c7r1c7|7,r0c8r1c8|5,r2c0r2c1|21,r1c5r2c4r2c5|15,r2c7r2c8|6,r3c0r4c0|4,r2c2r3c2|13,r2c3r3c3r3c4|15,r2c6r3c5r3c6|15,r3c7r3c8|18,r3c1r4c1r4c2|17,r4c3r4c4r4c5|12,r4c6r4c7r5c7|11,r5c0r5c1|22,r5c2r5c3r6c2|12,r5c4r5c5r6c5|4,r5c6r6c6|7,r4c8r5c8|17,r6c0r6c1|22,r6c3r6c4r7c3|5,r6c7r6c8|10,r7c0r8c0|3,r7c1r8c1|10,r7c2r8c2|10,r7c5r8c5|19,r7c6r7c7r8c6|20,r7c8r8c7r8c8|9,r7c4r8c3r8c4", "solution": "867423951592187436143659278271345869438296715659871342985764123716932584324518697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2309, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2310, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2010-10-02", "puzzle": "21,r0c3r0c4r1c4|3,r0c0r1c0|16,r0c1r0c2r1c1|17,r1c2r1c3|12,r0c5r0c6r1c5r1c6|22,r0c7r0c8r1c7r2c7|25,r2c1r2c2r3c1r3c2|12,r2c4r2c5r3c5|12,r1c8r2c8r3c8r4c8|11,r2c0r3c0|8,r2c3r3c3|17,r3c4r4c4r5c4|13,r2c6r3c6|8,r4c1r5c1|6,r4c2r4c3|17,r4c5r4c6|7,r3c7r4c7|10,r5c2r6c2|7,r5c5r6c5|14,r5c8r6c8|22,r4c0r5c0r6c0r7c0|15,r5c3r6c3r6c4|25,r5c6r5c7r6c6r6c7|23,r6c1r7c1r8c0r8c1|17,r7c2r7c3r8c2r8c3|7,r7c5r7c6|11,r7c7r8c6r8c7|15,r7c8r8c8|12,r7c4r8c4r8c5", "solution": "136792584279854136845613972397268451461579823528341769712486395684935217953127648", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2310, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2311, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-10-02", "puzzle": 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"17,r0c1r0c2r0c3|23,r0c0r1c0r1c1r2c0r2c1|13,r0c4r1c4|3,r0c5r1c5|15,r0c6r1c6|8,r0c7r1c7|9,r0c8r1c8|21,r1c2r1c3r2c2r3c2|33,r2c3r2c4r3c3r3c4r3c5|12,r2c5r2c6r3c6|10,r2c7r3c7|3,r2c8r3c8|7,r3c0r4c0|21,r3c1r4c1r4c2r5c2|25,r4c3r4c4r4c5r5c3r5c4r5c5|23,r4c7r4c8r5c7r5c8|15,r4c6r5c6|18,r5c0r6c0r7c0r8c0|25,r5c1r6c1r6c2r6c3r7c3|9,r6c4r6c5|13,r6c7r6c8|9,r7c1r7c2|11,r6c6r7c6r8c6r8c7|21,r7c7r7c8r8c8|20,r8c1r8c2r8c3|21,r7c4r7c5r8c4r8c5", "solution": "563891724719342865824765391675983412148276953932154687357618249281439576496527138", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2317, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2316, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-10-29", "puzzle": 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"10,r0c3r0c4|0,r0c0r0c1r1c0|26,r0c2r1c1r1c2r1c3r2c3|0,r0c5r1c4r1c5|16,r0c6r0c7r1c6r1c7|0,r0c8r1c8|0,r2c0r2c1r2c2r3c1r3c2r3c3|4,r2c4r2c5|0,r2c7r2c8r3c8|0,r2c6r3c6|0,r3c0r4c0|0,r4c2r4c3|0,r3c5r4c5r4c6|18,r3c7r4c7r4c8r5c8|0,r4c1r5c0r5c1|13,r3c4r4c4r5c4|8,r5c6r5c7|12,r5c2r5c3r6c2|4,r6c3r6c4|0,r5c5r6c5|29,r6c6r6c7r6c8r7c8r8c8|0,r6c0r6c1r7c1r8c1|14,r7c5r7c6r7c7|8,r7c0r8c0|15,r7c2r8c2|0,r7c3r8c3|0,r7c4r8c4r8c5|7,r8c6r8c7", "solution": "653284719148597623792613845465321978937458261281769354874132596326945187519876432", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2318, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2320, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-10-30", "puzzle": "18,r0c2r0c3r0c4|18,r0c5r0c6r0c7|12,r0c0r1c0|13,r0c1r1c1r1c2|15,r1c3r1c4r1c5|6,r0c8r1c7r1c8|19,r2c0r2c1r2c2|3,r2c4r2c5|24,r1c6r2c6r2c7|5,r2c3r3c3|5,r3c4r3c5|17,r3c6r3c7|9,r2c8r3c8|11,r3c0r4c0|4,r3c1r4c1|14,r3c2r4c2|17,r4c3r4c4r4c5|6,r4c6r5c6|7,r4c7r5c7|10,r4c8r5c8|13,r5c0r6c0|11,r5c1r5c2|13,r5c3r5c4|14,r5c5r6c5|15,r6c1r6c2r7c2|5,r6c3r6c4|14,r6c6r6c7r6c8|12,r7c0r7c1r8c0|17,r7c3r7c4r7c5|16,r7c6r7c7r8c7|14,r7c8r8c8|19,r8c1r8c2r8c3|9,r8c4r8c5r8c6", "solution": "341897652972465831685321794736214985418539267529678413857146329193782546264953178", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2320, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2322, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-10-30", "puzzle": "26,r0c0r0c1r1c0r1c1r2c1r3c1|11,r0c2r0c3|20,r0c4r0c5r0c6|3,r1c2r1c3|17,r1c4r1c5r2c4|10,r0c7r1c7|12,r0c8r1c8|21,r1c6r2c5r2c6|3,r2c8r3c8|12,r2c0r3c0|21,r2c2r2c3r3c2r3c3|10,r3c4r3c5|14,r2c7r3c6r3c7|23,r4c0r4c1r4c2|11,r4c3r4c4r4c5|11,r4c6r4c7r4c8|11,r5c1r5c2r6c1|10,r5c3r5c4|19,r5c5r5c6r6c5r6c6|14,r5c8r6c8|9,r5c0r6c0|14,r6c2r6c3r7c2|4,r7c0r8c0|14,r7c1r8c1|16,r6c4r7c3r7c4|9,r7c5r7c6|21,r8c2r8c3r8c4|3,r8c5r8c6|36,r5c7r6c7r7c7r7c8r8c7r8c8", "solution": "619257843542138769873469512435982671968713425721645938287394156194526387356871294", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2322, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2321, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-10-30", "puzzle": 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"10,r0c0r0c1|11,r0c2r0c3|8,r0c4r0c5r0c6|20,r0c7r0c8r1c8|8,r1c0r1c1r2c0|16,r1c4r1c5|17,r1c2r2c2|7,r1c3r2c3|8,r2c4r2c5|14,r1c6r2c6|9,r1c7r2c7r2c8|12,r3c3r3c4r3c5|11,r3c7r3c8|9,r3c0r4c0|13,r2c1r3c1r4c1|13,r3c2r4c2r5c2|23,r4c3r4c4r4c5|15,r3c6r4c6r5c6|15,r4c7r5c7r6c7|13,r4c8r5c8|17,r5c0r5c1|10,r5c3r5c4r5c5|14,r6c0r6c1r7c1|11,r6c2r7c2|8,r6c3r6c4|9,r6c5r7c5|10,r6c6r7c6|5,r7c3r7c4|15,r6c8r7c7r7c8|19,r7c0r8c0r8c1|16,r8c2r8c3r8c4|12,r8c5r8c6|7,r8c7r8c8", "solution": "463851279528379614179462835652147983314986527897523146246715398985234761731698452", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2324, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2325, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-10-31", "puzzle": "5,r0c2r0c3|20,r0c4r0c5r1c5|13,r0c6r0c7|5,r0c0r1c0|13,r0c1r1c1|23,r1c2r1c3r1c4|9,r1c6r1c7r2c7|8,r0c8r1c8|12,r2c0r2c1|18,r2c2r2c3r3c2r3c3|14,r3c0r3c1|17,r2c4r2c5r3c4r4c4|14,r2c6r3c5r3c6|15,r2c8r3c8r4c8|11,r4c5r4c6|11,r3c7r4c7|11,r4c0r4c1r5c0|16,r4c2r4c3r5c2r5c3|21,r5c4r5c5r5c6|5,r5c7r5c8|28,r5c1r6c0r6c1r7c1r7c2|19,r6c2r6c3r6c4|31,r6c6r6c7r7c6r7c7r8c7r8c8|10,r6c5r7c5|13,r6c8r7c8|11,r7c0r8c0|6,r8c1r8c2|7,r7c3r8c3|9,r7c4r8c4|10,r8c5r8c6", "solution": "162378495478965213935214867687491532541732986293586741719823654856147329324659178", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2325, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2326, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-10-31", "puzzle": 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"12,r0c1r0c2|6,r0c5r0c6|13,r0c0r1c0r1c1|15,r0c3r0c4r1c3|16,r1c4r1c5|17,r0c7r0c8r1c7|13,r1c2r2c2r2c3|12,r1c6r2c6|14,r1c8r2c7r2c8|9,r2c0r3c0r4c0|10,r2c1r3c1|9,r3c2r3c3|13,r2c4r3c4|8,r2c5r3c5|17,r4c1r5c0r5c1|17,r4c2r5c2|14,r4c3r4c4r4c5|16,r3c6r4c6|9,r3c7r3c8r4c7|9,r5c3r6c3|5,r5c4r6c4|9,r5c5r5c6|7,r5c7r6c7|15,r4c8r5c8r6c8|21,r6c0r6c1r7c0|4,r6c2r7c2|13,r6c5r6c6r7c6|13,r7c1r8c0r8c1|8,r7c3r7c4|22,r7c5r8c4r8c5|20,r7c7r7c8r8c8|8,r8c2r8c3|11,r8c6r8c7", "solution": "875614239236879451194352876512786943368941725749523618981437562453268197627195384", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2328, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2329, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-11-01", "puzzle": "22,r0c0r0c1r1c1r2c1|13,r0c4r0c5r0c6|12,r0c2r1c2r2c2|15,r0c3r1c3|5,r1c4r1c5|8,r0c7r1c6r1c7|10,r0c8r1c8|11,r1c0r2c0|11,r2c4r2c5|16,r2c7r2c8r3c7|14,r3c0r3c1|12,r2c3r3c3r4c3|17,r2c6r3c5r3c6|17,r4c0r4c1r5c0|4,r3c2r4c2|12,r3c4r4c4r5c4|7,r4c6r5c6|21,r3c8r4c7r4c8|24,r5c2r5c3r6c2|23,r4c5r5c5r6c5|9,r5c7r5c8|11,r5c1r6c0r6c1|9,r6c3r6c4|7,r6c8r7c8|8,r7c0r8c0|14,r7c1r7c2r8c1|4,r7c3r7c4|9,r7c5r8c5|18,r6c6r7c6r8c6|22,r8c2r8c3r8c4|20,r6c7r7c7r8c7r8c8", "solution": "576981423894623157312547869953462718761358294428719536189276345647135982235894671", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2329, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2330, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-11-01", "puzzle": "23,r0c0r0c1r0c2r1c2|13,r0c6r0c7r0c8|16,r0c3r0c4r1c3r1c4|16,r0c5r1c5r1c6r2c6|20,r1c7r1c8r2c8|12,r1c0r2c0|7,r1c1r2c1|10,r2c4r2c5|7,r3c0r3c1|11,r2c2r3c2|21,r2c3r3c3r4c3|14,r3c5r3c6r4c6|23,r2c7r3c7r3c8r4c7r4c8|9,r3c4r4c4r5c4|20,r4c0r4c1r5c0r5c1r6c1|16,r4c2r5c2r5c3|21,r4c5r5c5r6c5|15,r5c6r6c6|11,r5c7r5c8|9,r6c3r6c4|13,r6c7r7c7|7,r6c8r7c8|14,r6c0r7c0r7c1|20,r6c2r7c2r7c3r8c3|22,r7c4r7c5r8c4r8c5|19,r8c0r8c1r8c2|16,r7c6r8c6r8c7r8c8", "solution": "976154823821736549453982167168423795539867412742519638314275986297648351685391274", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2330, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2333, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-11-02", "puzzle": "5,r0c0r0c1|13,r0c7r0c8|13,r1c0r1c1|15,r0c2r0c3r1c2|9,r0c4r1c4r2c4|20,r0c5r0c6r1c6|13,r1c7r1c8|13,r2c0r2c1|14,r1c3r2c3|7,r1c5r2c5|5,r2c7r2c8|12,r3c0r3c1|10,r2c2r3c2|20,r3c3r3c4r3c5|8,r2c6r3c6|3,r3c7r3c8|17,r4c0r4c1r5c0|9,r4c2r4c3|8,r4c5r4c6|15,r4c7r4c8r5c8|15,r4c4r5c4|8,r5c1r6c1|12,r5c2r5c3r6c3|16,r5c5r5c6r6c5|14,r5c7r6c7|10,r6c0r7c0r7c1|21,r6c2r7c2r8c2|9,r6c6r7c6r8c6|13,r6c8r7c7r7c8|12,r8c0r8c1|3,r7c3r8c3|12,r6c4r7c4r8c4|17,r7c5r8c5|14,r8c7r8c8", "solution": "236817549941523867857964123483695712195472638762381954328756491619248375574139286", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2333, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2334, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-11-02", "puzzle": "30,r0c0r0c1r0c2r0c3r1c1|12,r0c4r0c5|10,r0c6r0c7|45,r1c5r1c6r1c7r2c5r2c6r2c7r2c8r3c6r3c7|9,r0c8r1c8|8,r1c0r2c0|10,r1c2r2c2|16,r1c3r2c3r3c3|10,r1c4r2c4|13,r2c1r3c1r3c2|11,r3c4r3c5r4c5r5c5|31,r3c0r4c0r4c1r4c2r5c0r5c1|28,r3c8r4c6r4c7r4c8r5c6r5c7|25,r4c3r4c4r5c3r5c4|11,r6c0r6c1|4,r5c2r6c2|13,r6c3r6c4|21,r6c5r6c6r7c6|17,r5c8r6c7r6c8|12,r7c0r7c1r8c0|4,r7c7r7c8|26,r7c2r7c3r8c1r8c2r8c3|27,r7c4r7c5r8c4r8c5r8c6|12,r8c7r8c8", "solution": "718539642396124857524687391147953268982761435653842179831495726465278913279316584", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2334, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2335, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-11-02", "puzzle": 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"14,r0c0r0c1r1c0|21,r0c3r0c4r0c5|5,r0c6r1c6|16,r0c7r0c8r1c7|20,r0c2r1c1r1c2|9,r1c3r1c4r1c5|7,r2c0r2c1|16,r2c2r2c3r2c4|17,r2c5r2c6r3c6|16,r1c8r2c7r2c8|10,r3c2r3c3|13,r3c7r3c8|10,r3c0r4c0|14,r3c1r4c1r4c2|9,r4c3r5c3|19,r3c4r4c4r5c4|12,r3c5r4c5|6,r4c6r4c7r5c7|11,r4c8r5c8|6,r5c0r5c1|13,r5c5r5c6|12,r6c0r6c1r7c0|15,r5c2r6c2r6c3|21,r6c4r6c5r6c6|9,r6c7r6c8|7,r7c3r7c4r7c5|17,r7c6r7c7r8c6|22,r7c1r8c0r8c1|10,r7c2r8c2|14,r8c3r8c4r8c5|14,r7c8r8c7r8c8", "solution": "235948176978261435164753892349127658782695314516384927421879563653412789897536241", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2342, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2343, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-11-04", "puzzle": "13,r0c0r0c1|10,r0c2r0c3|6,r0c4r0c5|18,r1c3r1c4r1c5|20,r0c6r0c7r1c6|5,r0c8r1c8|8,r1c0r2c0|12,r1c1r1c2r2c1|16,r2c3r2c4|9,r2c5r2c6|6,r1c7r2c7|29,r3c0r3c1r4c0r5c0r5c1|10,r2c2r3c2|11,r3c5r3c6|21,r2c8r3c7r3c8|5,r4c1r4c2|10,r3c3r4c3r5c3|11,r3c4r4c4r5c4|14,r4c5r4c6|8,r4c7r4c8|8,r5c2r6c2|15,r5c5r5c6|15,r5c7r5c8r6c8|5,r6c0r7c0|18,r6c1r7c1r7c2|17,r6c3r6c4|3,r6c5r6c6|14,r6c7r7c7|10,r7c3r7c4r7c5|13,r7c6r8c6r8c7|9,r7c8r8c8|10,r8c0r8c1|16,r8c2r8c3|10,r8c4r8c5", "solution": "678215493391684752524973618716528349832469571945137826453891267167352984289746135", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2343, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2344, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-11-04", "puzzle": "9,r0c2r0c3|12,r0c5r0c6|16,r0c0r0c1r1c0r1c1|14,r1c2r1c3r2c3|24,r0c4r1c4r2c4r3c4r4c4|17,r1c5r1c6r2c5|25,r0c7r0c8r1c7r1c8|16,r2c1r2c2|4,r2c6r2c7|19,r2c0r3c0r4c0|11,r3c2r3c3|10,r3c5r3c6|16,r2c8r3c8r4c8|4,r3c1r4c1|10,r3c7r4c7|16,r4c2r4c3r5c2|14,r4c5r4c6r5c6|7,r5c0r6c0|17,r5c1r6c1r7c1|6,r5c3r6c3|14,r5c4r6c4|11,r5c5r6c5|14,r5c7r6c7r7c7|10,r5c8r6c8|11,r6c2r7c2|15,r6c6r7c6|11,r7c0r8c0|10,r8c1r8c2|28,r7c3r7c4r7c5r8c3r8c4r8c5|7,r8c6r8c7|7,r7c8r8c8", "solution": "568123974321794568497658132732916485814375629659482317185269743246537891973841256", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2344, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2345, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2010-11-04", "puzzle": 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"13,r0c3r0c4r0c5|21,r0c0r1c0r2c0|16,r0c1r0c2r1c1|18,r1c3r1c4r1c5|11,r0c6r0c7r1c7|18,r0c8r1c8r2c8|8,r1c2r2c1r2c2|16,r1c6r2c6r2c7|5,r3c0r4c0|15,r3c1r3c2r4c1|13,r2c3r3c3|11,r2c4r3c4|4,r2c5r3c5|14,r3c6r3c7r4c7|9,r3c8r4c8|9,r4c2r5c2|24,r4c3r4c4r4c5|14,r4c6r5c6|18,r5c0r5c1r6c0|17,r5c7r5c8r6c8|14,r5c3r6c3r7c3|7,r5c4r6c4|15,r5c5r6c5r7c5|12,r6c1r7c0r7c1|15,r6c2r7c2|3,r7c4r8c4|10,r6c6r7c6|11,r6c7r7c7r7c8|7,r8c0r8c1|15,r8c2r8c3|9,r8c5r8c6|13,r8c7r8c8", "solution": "695274138821396574734851926182563497453789612976142853218435769567928341349617285", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2347, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2348, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-11-05", "puzzle": "9,r0c2r0c3|6,r0c7r0c8|10,r0c0r1c0|7,r0c1r1c1|23,r0c4r0c5r1c4|8,r0c6r1c6|17,r1c7r1c8r2c8|21,r1c2r2c1r2c2|16,r1c3r2c3r3c3|6,r1c5r2c5|14,r2c6r2c7|7,r2c0r3c0r4c0|9,r2c4r3c4|19,r3c6r3c7r3c8|14,r3c1r4c1|10,r3c2r4c2|20,r3c5r4c3r4c4r4c5r5c3|11,r4c6r5c6|9,r4c7r5c7|15,r5c0r5c1r5c2|7,r5c4r6c4|14,r4c8r5c8r6c8|9,r6c1r6c2|10,r6c3r7c3|19,r5c5r6c5r7c5|8,r6c6r6c7r7c6|19,r6c0r7c0r7c1|8,r7c2r8c2|15,r7c4r8c3r8c4|12,r7c7r8c7|13,r7c8r8c8|9,r8c0r8c1|11,r8c5r8c6", "solution": "756398142328461759194725683281573964469812375537649821672934518945186237813257496", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2348, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2349, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-11-05", "puzzle": "7,r0c3r1c3|16,r0c4r0c5r0c6|8,r0c0r1c0|8,r0c1r1c1|13,r0c2r1c2|17,r1c4r1c5|8,r0c7r0c8r1c7|9,r2c0r2c1|12,r2c2r2c3|10,r1c6r2c6r3c6|11,r1c8r2c8|11,r3c0r3c1|7,r3c2r3c3|22,r2c4r3c4r4c4r5c4r6c4|17,r2c7r3c7|10,r4c0r4c1|9,r4c2r4c3|23,r3c8r4c7r4c8r5c8|14,r5c0r5c1|4,r5c2r5c3|33,r2c5r3c5r4c5r4c6r5c5r6c5|5,r5c7r6c7|6,r6c0r6c1|15,r6c2r6c3|14,r5c6r6c6r7c6|14,r6c8r7c8|8,r7c0r8c0|16,r7c1r8c1|9,r7c2r8c2|9,r7c4r7c5|12,r7c7r8c7r8c8|14,r7c3r8c3|14,r8c4r8c5r8c6", "solution": "639471852254398617187562394745236189912785463863149725426917538391854276578623941", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2349, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2352, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-11-06", "puzzle": "6,r0c1r0c2|17,r0c5r0c6|21,r0c0r1c0r2c0|14,r1c1r1c2r2c1|13,r0c3r0c4r1c3|3,r0c7r1c7|9,r0c8r1c8|9,r2c2r2c3|15,r1c4r2c4|9,r1c5r1c6r2c5|19,r2c6r2c7r2c8|12,r3c0r4c0|11,r3c1r3c2|8,r3c3r3c4|15,r3c5r3c6r4c6|14,r4c1r5c0r5c1|12,r4c3r4c4r4c5|12,r3c7r3c8r4c7|17,r4c2r5c2r5c3|8,r5c4r5c5|10,r5c6r5c7|16,r4c8r5c8|20,r6c0r6c1r6c2|12,r6c3r7c2r7c3|11,r6c4r7c4|5,r6c5r6c6|6,r7c0r8c0|10,r7c1r8c1|12,r7c5r8c4r8c5|15,r6c7r7c6r7c7|16,r6c8r7c8r8c8|15,r8c2r8c3|13,r8c6r8c7", "solution": "715639824893472615624581793947268531356147289182953467569324178471896352238715946", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2352, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2353, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2010-11-06", "puzzle": 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"18,r0c0r0c1r1c0r1c1|28,r0c2r0c3r0c4r0c5r0c6r1c5|16,r0c7r0c8r1c7|18,r2c0r2c1r3c0r3c1|10,r1c2r2c2|8,r1c3r2c3|17,r1c8r2c8r3c8|19,r1c4r2c4r3c4|5,r2c5r3c5|20,r1c6r2c6r3c6|13,r2c7r3c7|6,r4c0r4c1|8,r3c2r4c2|30,r3c3r4c3r4c4r4c5r5c5|10,r4c6r5c6|4,r4c7r4c8|13,r5c1r6c1|13,r5c2r6c2r7c2|9,r5c3r6c3|9,r5c4r6c4r7c4|15,r5c0r6c0r7c0|8,r6c5r7c5|9,r6c6r7c6|26,r5c7r5c8r6c7r6c8|20,r7c1r8c0r8c1|39,r7c3r8c2r8c3r8c4r8c5r8c6|14,r7c7r7c8r8c7r8c8", "solution": "628347195731695428459281763813524976245769831967813254574132689182956347396478512", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2358, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2357, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-11-07", "puzzle": "8,r0c4r0c5|21,r0c0r0c1r1c0|9,r1c1r2c1r2c2|12,r0c2r1c2|8,r0c3r1c3|8,r1c4r1c5|16,r0c6r0c7r1c6|10,r1c7r2c7|7,r0c8r1c8|13,r2c3r2c4|20,r2c5r2c6r3c5|5,r2c0r3c0|5,r3c1r3c2|14,r3c3r3c4|9,r3c6r3c7|15,r2c8r3c8|13,r4c0r4c1|12,r4c2r4c3|13,r4c4r4c5r4c6|7,r4c7r4c8|12,r5c0r6c0|11,r5c1r5c2|10,r5c3r5c4|8,r5c6r5c7|15,r5c8r6c8|3,r6c3r6c4|15,r5c5r6c5r6c6|14,r7c0r8c0r8c1|19,r6c1r6c2r7c1|5,r7c2r8c2|14,r7c3r8c3|7,r7c4r7c5|15,r7c6r8c6r8c7|10,r6c7r7c7|6,r7c8r8c8|16,r8c4r8c5", "solution": "485726193927153684316948527241597368679381452538462719794215836162834975853679241", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2357, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2359, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-11-07", "puzzle": "20,r0c3r0c4r0c5r1c4|15,r0c0r0c1r1c0r1c1|13,r0c2r1c2|12,r0c6r1c6|15,r0c7r1c7r2c7r3c7|21,r0c8r1c8r2c8|9,r2c1r2c2|11,r1c3r2c3|23,r1c5r2c5r3c5r4c5|13,r2c6r3c6|10,r2c0r3c0|11,r3c2r3c3|27,r3c1r4c0r4c1r4c2r5c0|26,r3c8r4c6r4c7r4c8r5c7|27,r2c4r3c4r4c4r5c4r6c4|5,r5c5r5c6|10,r5c8r6c8|8,r5c2r6c2|25,r4c3r5c3r6c3r7c3|8,r6c5r7c5|10,r6c6r6c7|13,r6c0r7c0r8c0|24,r5c1r6c1r7c1r8c1|8,r7c2r8c2|11,r7c6r8c6|16,r7c7r7c8r8c7r8c8|14,r7c4r8c3r8c4r8c5", "solution": "569128437134796825872453619248315796716289543953674182425961378691837254387542961", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2359, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2354, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-11-06", "puzzle": "4,r0c1r0c2|34,r0c3r0c4r0c5r1c3r1c5r2c3r2c5|13,r0c6r0c7|9,r0c0r1c0|14,r1c1r1c2|6,r1c6r1c7|17,r0c8r1c8|18,r2c0r2c1r2c2|11,r1c4r2c4|9,r2c6r2c7r2c8|11,r3c1r3c2r3c3|17,r3c5r3c6r3c7|12,r3c0r4c0|18,r4c1r4c2r5c2r6c2|12,r3c4r4c4r5c4|18,r4c6r4c7r5c6r6c6|13,r3c8r4c8|12,r5c0r5c1r6c1|13,r4c3r5c3|13,r4c5r5c5|13,r5c7r5c8r6c7|16,r6c3r6c4r6c5|33,r6c0r7c0r7c1r7c2r7c3|21,r6c8r7c5r7c6r7c7r7c8|10,r8c0r8c1|6,r8c2r8c3|11,r7c4r8c4|9,r8c5r8c6|12,r8c7r8c8", "solution": "413259768568173429279846135926314857354728916187695342832961574795432681641587293", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2354, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2360, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2010-11-07", "puzzle": "0,r0c1r0c2|0,r0c4r0c5|11,r0c0r1c0|8,r1c1r1c2|0,r0c3r1c3r2c3|0,r1c4r1c5|0,r0c6r1c6|0,r0c7r1c7|11,r0c8r1c8|13,r2c1r2c2|9,r2c5r2c6|6,r2c7r2c8|0,r2c0r3c0|9,r3c1r3c2|0,r2c4r3c3r3c4|12,r3c5r3c6|11,r3c7r3c8r4c8|33,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|0,r4c0r5c0r5c1|11,r5c2r5c3|16,r5c4r5c5r6c4|7,r5c6r5c7|0,r5c8r6c8|12,r6c0r6c1|9,r6c2r6c3|0,r6c6r6c7|0,r7c0r8c0|0,r7c1r8c1|12,r7c2r8c2|7,r7c3r7c4|0,r6c5r7c5r8c5|0,r7c6r7c7|0,r7c8r8c8|10,r8c3r8c4|0,r8c6r8c7", "solution": "739462158426158973185793642972534816851629734643871529397285461518346297264917385", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2360, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2363, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-11-08", "puzzle": "7,r0c2r0c3|14,r0c5r0c6r0c7|15,r0c0r1c0|7,r0c1r1c1|28,r0c4r1c4r1c5r1c6r1c7r2c5|11,r0c8r1c8|8,r2c0r2c1|25,r1c2r1c3r2c2r2c3|15,r2c6r2c7r2c8|12,r3c0r3c1|8,r3c2r3c3r4c2|10,r4c0r5c0|19,r4c1r5c1r5c2|6,r4c3r5c3|19,r2c4r3c4r4c4r5c4r6c4|13,r3c5r4c5|16,r3c6r3c7r4c7|8,r3c8r4c8|22,r4c6r5c5r5c6|8,r5c7r5c8|15,r6c0r6c1r6c2|22,r6c5r6c6r7c5r7c6|15,r6c7r6c8|8,r7c0r8c0|34,r6c3r7c1r7c2r7c3r7c4r8c4|4,r7c7r8c7|9,r7c8r8c8|21,r8c1r8c2r8c3|6,r8c5r8c6", "solution": "935241768642978153178653429751486392893127546264539871429315687517862934386794215", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2363, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2362, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-11-08", "puzzle": 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"13,r0c4r0c5|9,r0c6r0c7r0c8|16,r0c0r1c0|6,r0c1r1c1|17,r0c2r0c3r1c2|13,r1c4r1c5r2c5|12,r1c6r2c6|7,r1c7r1c8|12,r2c0r2c1r3c0|16,r1c3r2c3r2c4|17,r2c7r2c8|12,r2c2r3c2|12,r3c3r3c4r3c5|9,r3c7r3c8|11,r3c1r4c0r4c1|12,r4c2r5c2|23,r4c3r4c4r4c5|5,r3c6r4c6|17,r4c7r4c8r5c7|7,r5c0r5c1|10,r5c3r5c4r5c5|17,r5c6r6c6|10,r6c0r6c1|19,r6c4r6c5r7c5|13,r5c8r6c7r6c8|14,r7c0r7c1|3,r6c2r7c2|14,r6c3r7c3r7c4|16,r7c6r8c5r8c6|8,r7c7r8c7|12,r7c8r8c8|18,r8c0r8c1r8c2|5,r8c3r8c4", "solution": "758394261916852743243176589689543127127689435435721896371468952862915374594237618", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2367, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2368, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-11-09", "puzzle": 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"8,r0c1r0c2|0,r0c3r0c4r1c3|18,r0c6r0c7r0c8|0,r0c0r1c0r2c0|6,r0c5r1c5|0,r1c6r1c7r1c8|0,r1c1r1c2r2c1|20,r2c2r3c2r4c2|0,r2c6r2c7|13,r3c0r3c1|0,r2c3r3c3|16,r1c4r2c4r3c4|0,r2c5r3c5r4c5|0,r3c6r3c7|0,r2c8r3c8|9,r4c0r4c1|0,r4c6r4c7|4,r5c1r5c2|0,r4c3r4c4r5c3|0,r5c4r5c5r6c5|13,r4c8r5c8|5,r5c0r6c0|13,r6c3r6c4|0,r5c6r5c7r6c6|0,r6c7r6c8|0,r6c1r7c0r7c1|0,r6c2r7c2r8c2|0,r7c5r7c6|9,r8c0r8c1|0,r7c3r7c4r8c3|0,r8c4r8c5r8c6|9,r7c7r8c7|10,r7c8r8c8", "solution": "762354891185962734943187562678523419459671328231849675327495186596718243814236957", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2413, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2415, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-08-12", "puzzle": "9,r0c1r0c2|13,r0c3r0c4r0c5|17,r0c0r1c0r2c0|11,r1c1r1c2r2c2|23,r0c6r0c7r1c6|16,r0c8r1c7r1c8|15,r1c3r2c3|10,r1c4r1c5r2c4|10,r2c5r2c6|3,r2c7r2c8|14,r2c1r3c1|10,r3c3r3c4r3c5|19,r3c6r3c7r3c8|15,r3c0r4c0|8,r3c2r4c1r4c2|14,r4c3r4c4r4c5|11,r4c6r4c7r5c6|10,r4c8r5c8|16,r5c0r5c1r5c2|21,r5c3r5c4r5c5|14,r5c7r6c7|5,r6c0r6c1|13,r6c2r6c3|12,r6c4r7c3r7c4|4,r6c5r7c5|15,r7c0r7c1r8c0|17,r7c2r8c1r8c2|15,r6c6r7c6r7c7|16,r6c8r7c8r8c8|24,r8c3r8c4r8c5|5,r8c6r8c7", "solution": "327184965516932874984657321862415739751329648493876152148563297679241583235798416", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2415, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2419, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-08-13", "puzzle": 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"13,r0c1r0c2r1c2|12,r0c3r0c4r0c5|17,r0c0r1c0r2c0|19,r1c3r1c4r1c5|16,r0c6r0c7r1c6r2c6|17,r0c8r1c8|10,r1c1r2c1|16,r2c2r2c3r2c4|12,r1c7r2c7r2c8|9,r3c2r3c3|13,r2c5r3c5r3c6|8,r3c0r4c0|16,r3c1r4c1r5c0r5c1|12,r4c2r4c3|21,r3c4r4c4r5c4|5,r4c5r4c6|19,r3c7r3c8r4c7r5c7|7,r4c8r5c8|18,r5c2r5c3r6c3|11,r5c5r5c6|21,r6c0r6c1r7c1|17,r6c4r6c5r6c6|15,r6c7r7c7|10,r7c0r8c0|14,r6c2r7c2r8c1r8c2|17,r7c3r7c4r7c5|13,r6c8r7c8r8c8|19,r8c3r8c4r8c5|8,r7c6r8c6r8c7", "solution": "639417258721856349485293617546372891397581462218964735862135974174629583953748126", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2418, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2421, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2010-08-13", "puzzle": 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"19,r0c2r0c3r1c3|17,r0c5r0c6r1c5|10,r0c0r0c1r1c0|14,r1c1r1c2r2c2|9,r0c4r1c4|17,r1c6r1c7r2c6|17,r0c7r0c8r1c8|9,r2c3r2c4r2c5|19,r2c0r2c1r3c0|4,r3c2r3c3|14,r3c5r3c6|12,r2c7r2c8r3c8|18,r3c1r4c1r4c2|10,r3c4r4c4|16,r3c7r4c6r4c7|13,r4c0r5c0|11,r4c3r5c3|9,r4c5r5c5|10,r4c8r5c8|14,r5c1r6c1r7c1|15,r5c2r6c2r6c3|17,r5c4r6c4|6,r5c6r6c5r6c6|8,r5c7r6c7r7c7|10,r6c0r7c0|10,r7c2r7c3|13,r7c5r7c6|14,r6c8r7c8|9,r8c0r8c1|9,r8c2r8c3|6,r7c4r8c4|17,r8c5r8c6|9,r8c7r8c8", "solution": "324678591561924387897531624283145976719362458645897132976483215138256749452719863", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2422, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2424, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-08-14", "puzzle": 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"15,r0c0r0c1|15,r0c7r0c8|11,r1c0r1c1|3,r0c2r1c2|19,r0c3r1c3r2c3|10,r0c4r1c4r2c4|16,r0c5r1c5r2c5|8,r0c6r1c6|5,r1c7r1c8|12,r2c1r2c2|9,r2c6r2c7|9,r2c0r3c0r4c0|13,r3c3r3c4r3c5|20,r2c8r3c8r4c8|15,r3c1r4c1|17,r3c2r4c2r5c2|16,r4c3r4c4r4c5|16,r3c6r4c6r5c6|7,r3c7r4c7|13,r5c4r6c4|16,r5c0r5c1r6c0|7,r6c1r6c2|16,r5c3r6c3r7c3|7,r5c5r6c5r7c5|16,r6c6r6c7|13,r5c7r5c8r6c8|9,r7c1r7c2|9,r7c6r7c7|18,r7c0r8c0r8c1|10,r8c2r8c3|9,r7c4r8c4|17,r8c5r8c6|9,r7c8r8c7r8c8", "solution": "781423569652978314439615278398256147264187935175394682816542793927831456543769821", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2427, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2429, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-08-15", "puzzle": "15,r0c2r0c3|9,r0c0r1c0|11,r0c1r1c1|11,r0c4r0c5r1c4|14,r0c7r0c8r1c7r1c8|15,r1c2r2c1r2c2|21,r1c3r2c3r2c4|7,r1c5r2c5|31,r0c6r1c6r2c6r2c7r2c8|12,r2c0r3c0r4c0|12,r3c1r3c2|16,r3c4r3c5r4c5|12,r3c6r3c7|10,r4c1r4c2|21,r3c3r4c3r4c4r5c4r5c5|13,r3c8r4c7r4c8|16,r4c6r5c6r5c7|13,r5c8r6c8|20,r5c0r5c1r6c0r6c1|18,r5c2r5c3r6c2r6c3|15,r6c4r7c4|15,r6c5r7c5|10,r6c6r6c7r7c6|9,r7c7r7c8|19,r7c0r7c1r8c0r8c1|18,r7c2r7c3r8c2r8c3|7,r8c4r8c5r8c6|15,r8c7r8c8", "solution": "789613425234975861165482397648139752591724683372856914823567149417298536956341278", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2429, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2428, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-08-15", "puzzle": "5,r0c0r0c1|6,r1c0r1c1|16,r0c2r1c2|9,r0c3r1c3|15,r0c4r1c4|32,r0c5r0c6r0c7r1c5r1c6r1c7|7,r0c8r1c8|12,r2c1r2c2r2c3|24,r2c5r2c6r2c7r2c8r3c5|20,r2c0r3c0r4c0|20,r3c1r3c2r4c1r4c2r5c2|12,r2c4r3c3r3c4|12,r3c7r3c8|24,r4c3r4c4r4c5|13,r5c0r5c1|11,r5c4r5c5r6c4|24,r3c6r4c6r4c7r5c6r5c7|17,r4c8r5c8r6c8|23,r5c3r6c0r6c1r6c2r6c3|13,r6c5r6c6r6c7|9,r7c0r8c0|36,r7c1r7c2r7c3r8c1r8c2r8c3|6,r7c4r8c4|9,r7c5r8c5|14,r7c6r8c6|3,r7c7r7c8|13,r8c7r8c8", "solution": "239165784157894263846237195718452639563789412492613857921576348675348921384921576", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2428, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2434, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-08-16", "puzzle": "18,r0c4r0c5r1c3r1c4|19,r0c6r0c7r0c8|37,r0c0r0c1r1c0r1c1r2c0r2c1|13,r0c2r0c3r1c2|19,r1c5r1c6r1c7r1c8|17,r2c2r2c3r3c3|9,r2c4r2c5|8,r2c6r2c7|5,r3c5r3c6|4,r2c8r3c8|25,r3c0r3c1r4c0r4c1r5c1|17,r3c2r4c2r4c3|12,r3c4r4c4r5c4|23,r4c5r4c6r5c6|27,r3c7r4c7r4c8r5c7r5c8|8,r5c0r6c0|9,r5c2r5c3|12,r6c1r6c2|10,r6c3r6c4|15,r5c5r6c5r6c6|21,r7c0r7c1r7c2r7c3|21,r7c6r8c5r8c6|27,r6c7r6c8r7c7r7c8r8c7r8c8|12,r8c0r8c1r8c2|17,r7c4r7c5r8c3r8c4", "solution": "251936784683274195794581263946852371837419652512763849375198426468325917129647538", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2434, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2432, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-08-16", "puzzle": "14,r0c0r0c1r0c2|5,r0c3r0c4|13,r0c6r0c7|15,r1c0r1c1|17,r1c3r1c4r2c3|13,r0c5r1c5|7,r0c8r1c8|10,r2c0r2c1|15,r1c2r2c2r3c2|16,r2c4r2c5r3c5|16,r1c6r1c7r2c6|6,r3c3r3c4|16,r2c7r2c8r3c8|9,r3c0r4c0|5,r3c1r4c1|17,r4c2r5c1r5c2|12,r4c3r4c4r4c5|15,r3c6r3c7r4c6|12,r4c7r5c7|10,r4c8r5c8|16,r5c0r6c0r6c1|13,r5c4r5c5|17,r6c2r7c1r7c2|17,r5c3r6c3r6c4|15,r5c6r6c6r7c6|6,r6c7r6c8|10,r7c0r8c0|10,r7c3r8c3|15,r6c5r7c4r7c5|5,r7c7r7c8|7,r8c1r8c2|11,r8c4r8c5|20,r8c6r8c7r8c8", "solution": "293148765781965342465237918349516287618372594527894136834729651976451823152683479", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2432, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2436, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2010-08-16", "puzzle": "17,r0c0r0c1|0,r0c3r0c4|6,r1c0r1c1|0,r0c2r1c2r1c3|8,r0c5r1c4r1c5|0,r0c6r0c7r1c6|0,r2c3r3c3|17,r2c4r2c5|0,r1c7r2c6r2c7|0,r0c8r1c8r2c8|0,r2c0r3c0r4c0|0,r2c1r3c1r4c1|15,r3c5r4c5|0,r3c6r3c7r3c8|11,r2c2r3c2r4c2|12,r3c4r4c4r5c4|0,r4c6r5c6r6c6|0,r5c0r5c1r5c2|8,r4c3r5c3|0,r4c7r5c7r6c7|20,r4c8r5c8r6c8|8,r6c0r7c0r8c0|21,r6c1r6c2r7c1|4,r6c3r6c4|7,r5c5r6c5|16,r7c2r8c1r8c2|0,r7c3r7c4r8c3|15,r7c5r7c6r8c6|0,r7c7r7c8|11,r8c4r8c5|0,r8c7r8c8", "solution": "891254637427613598365789421712968354934527816658341279289136745143875962576492183", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2436, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2433, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-08-16", "puzzle": "12,r0c0r0c1r0c2|20,r0c7r0c8r1c8r2c8|25,r1c0r1c1r2c0r3c0|11,r0c3r1c2r1c3|26,r0c4r0c5r0c6r1c4r1c6|7,r1c5r2c5|16,r2c6r3c6r3c7|10,r1c7r2c7|5,r2c1r3c1|22,r2c3r2c4r3c4r3c5|15,r4c0r4c1|8,r4c4r4c5|11,r4c6r4c7|22,r3c8r4c8r5c8|8,r5c1r6c1|40,r2c2r3c2r3c3r4c2r4c3r5c2r5c3r6c2|27,r5c4r5c5r6c3r6c4|12,r6c5r7c5|9,r5c6r5c7r6c6|14,r6c7r7c7|15,r5c0r6c0r7c0r7c1|16,r7c2r7c3r8c3|18,r7c4r7c6r8c4r8c5r8c6|20,r8c0r8c1r8c2|16,r6c8r7c8r8c7r8c8", "solution": "741289563895436127326571984534728619962153748178964235213897456487615392659342871", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2433, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2437, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-08-17", "puzzle": "12,r0c0r0c1|17,r0c2r0c3r1c2|14,r0c6r1c6r1c7|9,r0c7r0c8|11,r1c0r1c1|18,r0c4r0c5r1c4|10,r1c5r2c5|7,r2c0r2c1r2c2|15,r1c3r2c3r2c4|19,r2c7r3c7r3c8|5,r1c8r2c8|15,r3c1r3c2r3c3|7,r3c4r3c5|20,r2c6r3c6r4c6|14,r3c0r4c0r4c1|18,r4c3r4c4r4c5|14,r4c7r4c8r5c8|15,r4c2r5c2r6c2|10,r5c3r5c4|12,r5c5r5c6r5c7|11,r6c0r7c0|14,r5c0r5c1r6c1|12,r6c4r6c5r7c5|22,r6c6r6c7r6c8|10,r6c3r7c3|14,r7c4r8c3r8c4|9,r7c7r7c8|11,r8c0r8c1|17,r7c1r7c2r8c2|15,r7c6r8c5r8c6|8,r8c7r8c8", "solution": "937218654568394172124576983453761829281945367679823541815432796392657418746189235", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2437, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2438, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-08-17", "puzzle": "15,r0c2r0c3r0c4r1c4|10,r0c5r0c6|17,r0c0r1c0|17,r0c1r1c1r2c1r3c1|9,r1c2r1c3|11,r1c5r1c6|20,r0c7r0c8r1c7r1c8|12,r2c2r2c3r3c2|8,r2c8r3c8|3,r2c0r3c0|22,r3c4r3c5r4c4r4c5|27,r2c4r2c5r2c6r3c6r4c6|14,r2c7r3c7|11,r3c3r4c3|9,r4c0r5c0|12,r4c1r5c1|29,r4c2r5c2r5c3r6c3r6c4|4,r5c4r5c5|16,r5c6r6c5r6c6|8,r5c7r6c7|17,r4c7r4c8r5c8r6c8|45,r6c0r6c1r6c2r7c0r7c1r7c2r8c0r8c1r8c2|11,r7c3r7c4|27,r7c5r7c6r7c7r7c8|15,r8c3r8c4|3,r8c5r8c6|13,r8c7r8c8", "solution": "931576428856324791274198365127945683389267154645813972798432516412659837563781249", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2438, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2439, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-08-17", "puzzle": 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"12,r0c1r0c2|13,r0c3r0c4|7,r0c7r0c8|11,r0c0r1c0|7,r1c1r1c2|17,r1c3r1c4r2c3|10,r0c5r0c6r1c5|7,r1c7r1c8|14,r2c1r2c2|7,r2c4r2c5|17,r2c7r2c8r3c7|10,r2c0r3c0|10,r3c1r3c2|19,r1c6r2c6r3c6|14,r4c0r5c0|6,r4c1r4c2|18,r3c3r4c3r5c3|10,r3c4r4c4r5c4|17,r3c5r4c5r5c5|9,r4c6r4c7|13,r3c8r4c8|14,r5c2r6c2r7c2|8,r5c6r5c7|10,r5c8r6c8|15,r5c1r6c0r6c1|16,r6c3r6c4|4,r6c6r6c7|3,r7c0r7c1|14,r7c3r8c2r8c3|17,r6c5r7c4r7c5|16,r7c6r7c7|11,r7c8r8c8|10,r8c0r8c1|7,r8c4r8c5|12,r8c6r8c7", "solution": "493587261725691843186234597937852614851346729642719358564978132218463975379125486", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2447, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2448, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-08-19", "puzzle": "15,r0c0r0c1r0c2|15,r0c3r0c4r0c5|22,r0c6r0c7r0c8r1c6|3,r1c1r1c2|9,r1c7r1c8|21,r1c0r2c0r3c0r4c0|12,r1c3r2c2r2c3|19,r1c4r1c5r2c4|16,r2c5r2c6|13,r2c7r2c8r3c8r4c8|15,r2c1r3c1r3c2|16,r3c3r3c4r4c4|18,r3c5r3c6r3c7|11,r4c1r4c2|15,r4c5r4c6r4c7|17,r5c0r5c1r5c2|24,r4c3r5c3r6c3r7c3|23,r6c0r6c1r6c2r7c1r8c1|19,r5c4r5c5r6c4r6c5|9,r5c6r6c6|9,r5c7r6c7|10,r5c8r6c8|25,r7c5r7c6r7c7r8c5r8c6|13,r7c0r8c0|15,r7c2r8c2r8c3|6,r7c4r8c4|15,r7c8r8c7r8c8", "solution": "375492186921368754468157923254786391683519247719234568196875432832941675547623819", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2448, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2449, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-08-19", "puzzle": "14,r0c0r0c1r0c2|18,r0c6r0c7r0c8|12,r1c0r1c1r1c2|9,r0c3r1c3|10,r0c5r1c5|12,r1c6r1c7r1c8|38,r0c4r1c4r2c2r2c3r2c4r2c5r2c6|15,r2c0r3c0r4c0r4c1|11,r2c1r3c1|34,r3c2r3c3r3c4r3c5r3c6r4c4|11,r2c7r3c7|21,r2c8r3c8r4c7r4c8|3,r4c3r5c3|13,r4c5r5c5|25,r5c4r6c2r6c3r6c4r6c5r6c6|16,r6c0r7c0|33,r4c2r5c0r5c1r5c2r6c1r7c1|9,r7c3r7c4r7c5|32,r4c6r5c6r5c7r5c8r6c7r7c7|9,r6c8r7c8|23,r7c2r8c0r8c1r8c2|22,r8c3r8c4r8c5|15,r7c6r8c6r8c7r8c8", "solution": "194562837273498561658713492361945728429187356587236149932851674716324985845679213", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2449, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2452, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-08-20", "puzzle": "5,r0c2r0c3|11,r0c5r0c6|14,r0c7r0c8r1c8|15,r0c0r1c0|14,r0c1r1c1|9,r1c2r1c3|13,r0c4r1c4r2c4|10,r2c1r2c2|18,r1c5r2c5r3c5|17,r1c6r1c7r2c6|9,r2c7r2c8|7,r2c0r3c0|6,r3c1r3c2|14,r2c3r3c3r4c3|16,r3c4r4c4r5c4|21,r3c6r3c7r4c6|18,r4c0r4c1r5c0|9,r3c8r4c7r4c8|16,r4c2r5c1r5c2|16,r4c5r5c5r6c5|6,r5c6r5c7|11,r5c8r6c8|13,r6c0r6c1|16,r6c2r7c1r7c2|15,r5c3r6c3r7c3|8,r6c6r6c7|16,r6c4r7c4r8c4|4,r7c5r7c6|17,r7c7r8c7|10,r7c8r8c8|8,r7c0r8c0r8c1|14,r8c2r8c3|9,r8c5r8c6", "solution": "893216547751894263264735918542369871987421635136587429679148352425973186318652794", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2452, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2453, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-08-20", "puzzle": 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"12,r0c1r0c2r1c2|0,r0c3r0c4r0c5|0,r0c0r1c0r1c1|0,r1c3r1c4r1c5|7,r1c6r2c6|0,r0c6r0c7r1c7|9,r0c8r1c8|0,r2c0r2c1r3c1|9,r2c2r3c2|9,r2c4r2c5|0,r2c7r2c8|8,r2c3r3c3|11,r3c5r3c6|0,r3c7r3c8|8,r3c0r4c0|0,r4c1r4c2r4c3|12,r3c4r4c4r5c4|0,r4c5r4c6r4c7|0,r4c8r5c8|0,r5c0r5c1|0,r5c2r5c3|0,r5c5r6c5|0,r6c0r6c1|0,r6c3r6c4|16,r5c6r6c6|10,r5c7r6c7r6c8|0,r7c0r8c0|0,r7c1r8c1r8c2|10,r6c2r7c2|0,r7c3r7c4r7c5|15,r7c7r7c8r8c8|7,r8c3r8c4r8c5|17,r7c6r8c6r8c7", "solution": "721943568839265471465781392684179253297534186153826947342698715918357624576412839", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2455, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2457, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-08-21", "puzzle": "10,r0c4r0c5r0c6|18,r0c0r0c1r1c0|14,r1c1r2c1r3c1|11,r0c3r1c3r2c3|17,r1c4r1c5|15,r1c6r2c6r2c7|9,r0c7r1c7|18,r0c8r1c8r2c8|17,r0c2r1c2r2c2|10,r2c4r2c5|7,r2c0r3c0|11,r3c2r3c3|18,r4c0r4c1r5c0|14,r4c2r5c1r5c2|10,r4c3r5c3|13,r3c4r4c4r5c4|8,r3c5r4c5|16,r3c6r3c7r4c6|7,r3c8r4c7r4c8|14,r5c5r5c6|10,r5c8r6c8|15,r6c3r6c4|13,r6c6r7c6r8c6|14,r6c0r7c0r8c0|10,r7c1r8c1|14,r6c1r6c2r7c2|6,r7c3r7c4|19,r6c5r7c5r8c5|16,r5c7r6c7r7c7|19,r7c8r8c7r8c8|12,r8c2r8c3r8c4", "solution": "698152374374698125215473689562947831739861542841235967956784213423516798187329456", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2457, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2459, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2010-08-21", "puzzle": 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"11,r0c0r0c1r1c0|14,r0c3r0c4r0c5|11,r0c7r0c8r1c8|11,r0c2r1c2|13,r0c6r1c6|15,r2c0r3c0|7,r1c1r2c1|22,r1c3r2c3r3c3|19,r1c5r2c5r3c5|13,r1c7r2c7|8,r2c8r3c8|16,r2c2r3c1r3c2|14,r1c4r2c4r3c4|6,r2c6r3c6r3c7|24,r4c1r4c2r5c1|9,r4c3r4c4r4c5|22,r4c6r4c7r5c7|4,r4c0r5c0|10,r4c8r5c8|7,r5c2r6c2|3,r5c3r6c3|15,r5c4r6c4|11,r5c5r6c5|8,r5c6r6c6|15,r6c0r6c1r7c0|10,r7c1r7c2r7c3|13,r7c4r8c4|17,r7c5r7c6r7c7|20,r6c7r6c8r7c8|16,r8c0r8c1|10,r8c2r8c3|6,r8c5r8c6|5,r8c7r8c8", "solution": "543617928268539471917842365654978213179324856382165794835296147421753689796481532", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2487, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2488, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-08-27", "puzzle": 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"7,r0c0r0c1|11,r0c2r0c3|15,r0c4r0c5|3,r0c6r0c7|12,r1c2r1c3r1c4|10,r1c5r1c6|17,r0c8r1c8|12,r1c0r1c1r2c0|15,r2c3r2c4r2c5|13,r1c7r2c6r2c7|16,r3c0r4c0r4c1|21,r2c1r2c2r3c1|5,r3c2r3c3|21,r2c8r3c7r3c8|12,r4c2r5c2|12,r4c3r5c3|12,r3c4r4c4r5c4|12,r3c5r4c5|11,r3c6r4c6|18,r5c0r5c1r6c0|14,r5c5r5c6|8,r5c7r6c6r6c7|9,r4c7r4c8r5c8|16,r6c1r6c2r7c1|12,r6c3r6c4r6c5|14,r6c8r7c7r7c8|9,r7c0r8c0|10,r7c2r7c3|19,r7c4r7c5r7c6|3,r8c1r8c2|11,r8c3r8c4|14,r8c5r8c6|11,r8c7r8c8", "solution": "435687129296153748187942365862314597719528634543796812974831256358269471621475983", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2502, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2503, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-08-30", "puzzle": 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"14,r0c1r0c2r0c3|0,r0c5r0c6|6,r0c0r1c0|0,r0c4r1c4|0,r0c7r1c6r1c7|11,r0c8r1c8r2c8|18,r1c1r2c0r2c1|12,r1c2r2c2|10,r1c3r2c3r3c3|0,r1c5r2c4r2c5|12,r2c6r2c7|0,r3c0r3c1|0,r3c4r4c4r5c4|16,r3c6r3c7r3c8|0,r4c0r4c1|0,r3c2r4c2|0,r4c3r5c3|0,r3c5r4c5|0,r4c6r5c6|0,r4c7r4c8|0,r5c0r5c1r5c2|0,r5c7r5c8|6,r6c1r6c2|15,r6c3r6c4r7c3|13,r5c5r6c5r7c5|17,r6c6r7c6|11,r6c7r6c8r7c7|19,r6c0r7c0r8c0|16,r7c1r7c2r8c1|0,r7c4r8c4|0,r7c8r8c8|12,r8c2r8c3|12,r8c5r8c6r8c7", "solution": "172594386583176294649328571857612439436987125291453768315769842768241953924835617", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2506, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2507, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-08-31", "puzzle": "7,r0c0r0c1|22,r0c2r0c3r0c4|7,r0c5r0c6|20,r1c3r1c4r2c4|11,r1c5r1c6|15,r0c7r1c7|3,r0c8r1c8|15,r1c0r2c0r3c0|18,r1c1r2c1r3c1|11,r1c2r2c2|7,r2c5r2c6|13,r2c7r2c8|8,r2c3r3c2r3c3|16,r3c6r3c7r3c8|10,r4c0r4c1|18,r4c2r4c3r5c3|6,r3c4r4c4r5c4|18,r3c5r4c5r4c6|10,r4c7r4c8|11,r5c0r5c1r5c2|17,r5c5r5c6r6c5|8,r6c0r6c1|10,r6c2r6c3|17,r6c6r7c6|11,r5c7r6c7r7c7|19,r5c8r6c8r7c8|11,r7c0r8c0|15,r7c1r8c1|3,r7c2r7c3|13,r6c4r7c4r7c5|17,r8c2r8c3|13,r8c4r8c5r8c6|5,r8c7r8c8", "solution": "529674381184395672637182594873416259916528437245739168352847916791263845468951723", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2507, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2508, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-08-31", "puzzle": "9,r0c0r0c1r1c1|11,r0c4r0c5|18,r0c2r0c3r1c2|20,r1c3r1c4r1c5|19,r0c6r0c7r0c8r1c6|20,r1c7r1c8r2c7r2c8|26,r2c1r2c2r3c1r3c2|5,r2c4r2c5|8,r2c3r3c3r3c4|23,r2c6r3c6r4c6r4c7|15,r3c7r3c8|20,r1c0r2c0r3c0r4c0|25,r3c5r4c3r4c4r4c5r5c3|16,r4c8r5c8r6c8r7c8|13,r5c0r5c1|21,r4c1r4c2r5c2r6c2|16,r5c4r5c5r6c5|15,r6c3r6c4|17,r5c6r5c7r6c6r6c7|11,r6c0r6c1r7c0r7c1|25,r7c2r8c0r8c1r8c2|11,r7c3r7c4r7c5|16,r7c6r8c5r8c6|10,r8c3r8c4|15,r7c7r8c7r8c8", "solution": "613874925427569318598132647872341596365297481941658732259783164136425879784916253", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2508, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2509, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-08-31", "puzzle": "37,r0c0r0c1r0c2r1c0r1c1r2c0r2c1|23,r0c3r0c4r1c3r1c4|29,r0c5r0c6r0c7r1c7r2c7|5,r0c8r1c8|5,r1c5r2c5|16,r1c6r2c6|12,r3c0r3c1|17,r1c2r2c2r2c3r3c3|19,r2c4r3c4r3c5r3c6|11,r2c8r3c8|11,r4c0r4c1r5c1|30,r3c2r4c2r4c3r4c4r4c5r4c6r5c6|15,r3c7r4c7r4c8|8,r5c0r6c0|20,r5c2r5c3r5c4r6c4|22,r5c5r6c5r6c6r7c6|9,r5c7r5c8|13,r6c2r7c2|16,r6c3r7c3|15,r7c0r8c0|18,r6c1r7c1r8c1r8c2r8c3|16,r7c4r7c5r8c4r8c5|38,r6c7r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "271549683495683712683172954932861547167354829548297136329718465854926371716435298", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2509, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2513, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-09-01", "puzzle": "13,r0c0r0c1r1c0|8,r0c5r0c6|7,r0c7r0c8|17,r0c4r1c4|30,r1c5r1c6r1c7r2c6r2c7|11,r1c1r2c1|26,r0c2r0c3r1c2r1c3r2c3|3,r1c8r2c8|8,r2c0r3c0|27,r2c2r3c1r3c2r3c3r4c2|14,r2c4r2c5r3c4|18,r3c5r3c6r3c7r3c8|12,r4c0r4c1|15,r4c3r4c4r5c4r5c5|26,r4c5r4c6r4c7r4c8r5c8|14,r5c2r5c3|19,r5c0r5c1r6c0r7c0|23,r6c1r6c2r7c2r8c2r8c3|14,r5c6r6c5r6c6|13,r5c7r6c7|22,r7c6r7c7r8c6r8c7r8c8|15,r6c8r7c8|10,r7c1r8c0r8c1|40,r6c3r6c4r7c3r7c4r7c5r8c4r8c5", "solution": "268591734573482691149637582785349126932716845416825973894153267621974358357268419", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2513, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2514, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-09-01", "puzzle": "16,r0c1r0c2r0c3|18,r0c4r0c5r0c6r0c7|10,r0c0r1c0r2c0|13,r1c1r1c2|13,r1c4r1c5|12,r1c6r1c7r2c7r3c7|17,r0c8r1c8r2c8r3c8|26,r1c3r2c2r2c3r2c4|13,r2c5r2c6|7,r2c1r3c1|12,r3c4r3c5r3c6|8,r3c0r4c0|28,r3c2r4c1r4c2r5c1r5c2r6c1|14,r3c3r4c3r5c3|9,r4c5r4c6|13,r4c4r5c4|21,r4c7r5c6r5c7|18,r4c8r5c8r6c8|15,r5c0r6c0|12,r6c2r6c3r7c3|17,r5c5r6c4r6c5|13,r7c4r7c5r7c6|11,r6c6r6c7r7c7|19,r7c0r7c1r8c0r8c1|14,r7c2r8c2r8c3|20,r8c4r8c5r8c6|16,r7c8r8c7r8c8", "solution": "482631597576894123139725846648973251251486379793152684824369715967518432315247968", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2514, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2512, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2010-09-01", "puzzle": 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"13,r0c0r0c1r1c0|0,r0c2r0c3r0c4|0,r0c5r0c6|0,r1c2r1c3r1c4|0,r1c5r1c6|0,r0c7r1c7|6,r0c8r1c8r2c8|0,r1c1r2c1|0,r2c3r3c3|0,r2c5r2c6r2c7|11,r2c0r3c0|0,r2c2r3c1r3c2|0,r2c4r3c4r3c5|10,r3c6r4c6|17,r3c7r3c8|0,r4c0r4c1|16,r4c3r4c4r4c5|0,r4c7r4c8|4,r5c0r5c1|0,r4c2r5c2|18,r5c3r5c4r6c4|0,r5c6r5c7r6c6|12,r5c8r6c8|11,r6c1r6c2r6c3|15,r5c5r6c5|0,r6c7r7c7|18,r6c0r7c0r8c0|10,r7c1r8c1|0,r7c2r7c3|0,r7c4r7c5r7c6|14,r8c2r8c3|10,r8c4r8c5r8c6|15,r7c8r8c7r8c8", "solution": "723489561491256873586713942674125389258394716319867425932648157147532698865971234", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2520, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2522, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-09-03", "puzzle": 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"8,r0c2r0c3|23,r0c4r0c5r1c4|17,r0c0r0c1r1c0|13,r1c2r1c3r2c2|9,r1c5r2c5|12,r0c6r1c6|4,r0c7r1c7|12,r0c8r1c8|15,r1c1r2c1r3c1|13,r2c3r2c4r3c3|19,r2c7r2c8r3c8|15,r2c0r3c0r4c0|10,r3c4r3c5|3,r2c6r3c6|16,r4c1r5c1|3,r3c2r4c2|16,r4c3r4c4r4c5|13,r4c6r5c6|14,r3c7r4c7|12,r5c2r6c2|13,r5c3r5c4|12,r4c8r5c8r6c8|16,r5c0r6c0r6c1|6,r5c5r6c4r6c5|14,r5c7r6c7r7c7|3,r7c0r8c0|8,r7c1r8c1|14,r7c2r8c2|7,r6c3r7c3|17,r6c6r7c5r7c6|15,r7c8r8c7r8c8|16,r7c4r8c3r8c4|17,r8c5r8c6", "solution": "925386417617294835384715269862537194491862753573941628749623581258179346136458972", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2527, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2524, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-09-03", "puzzle": 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"9,r0c1r0c2|0,r0c3r0c4|0,r0c0r1c0|20,r1c1r1c2r1c3|16,r1c4r2c4r2c5|0,r0c5r1c5|11,r0c6r1c6r2c6|15,r0c7r1c7r2c7|0,r0c8r1c8|7,r2c1r2c2|4,r2c3r3c3|0,r2c0r3c0r4c0|9,r3c1r4c1|0,r3c5r3c6r4c5|0,r2c8r3c7r3c8|12,r3c2r4c2|17,r4c6r5c6|0,r5c0r5c1r6c0|19,r4c3r5c2r5c3|13,r3c4r4c4r5c4|6,r4c7r5c7|0,r4c8r5c8r6c8|0,r5c5r6c5|0,r6c6r6c7|0,r7c0r8c0|0,r6c1r7c1r8c1|7,r6c2r7c2r8c2|0,r7c3r8c3|14,r6c3r6c4r7c4|0,r7c5r7c6r7c7|4,r7c8r8c8|0,r8c4r8c5|10,r8c6r8c7", "solution": "436287195197465328825391746759148632643529817218673954362814579981752463574936281", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2526, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2528, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-09-04", "puzzle": "12,r0c7r0c8r1c8|23,r0c0r0c1r0c2r1c2|33,r0c3r0c4r0c5r1c3r1c4r1c5|8,r0c6r1c6|6,r1c0r2c0r3c0|10,r1c1r2c1|5,r2c5r2c6|15,r1c7r2c7r3c7|26,r2c2r2c3r3c2r3c3|23,r2c4r3c4r3c5r3c6|11,r2c8r3c8|16,r3c1r4c0r4c1|11,r4c3r4c4|7,r4c5r4c6|9,r4c2r5c2|13,r5c3r5c4r6c3|40,r4c7r4c8r5c6r5c7r5c8r6c8r7c8|14,r5c0r6c0|10,r5c1r6c1|23,r5c5r6c4r6c5r7c4r7c5|3,r6c6r6c7|11,r7c6r7c7|13,r7c0r8c0|17,r6c2r7c1r7c2r8c1r8c2|16,r7c3r8c3r8c4|30,r8c5r8c6r8c7r8c8", "solution": "597648231142573698368291457289736514715924386634185972873469125956812743421357869", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2528, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2529, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-09-04", "puzzle": "19,r0c2r0c3r1c3|23,r0c4r0c5r0c6r0c7r0c8|11,r0c0r1c0|24,r0c1r1c1r1c2r2c2r3c2|12,r1c4r1c5|10,r1c6r1c7r1c8|9,r2c0r2c1|7,r2c3r3c3|18,r2c6r2c7r2c8|8,r3c1r4c1|5,r2c5r3c5|16,r3c6r3c7r3c8|7,r3c0r4c0|10,r4c2r4c3|13,r4c5r4c6|6,r4c8r5c8|24,r5c0r5c1r5c2|6,r5c3r6c3|28,r2c4r3c4r4c4r5c4r6c4|15,r4c7r5c7|19,r6c0r6c1r6c2|8,r5c5r6c5|5,r6c7r6c8|6,r7c0r7c1r7c2|13,r7c3r7c4|27,r5c6r6c6r7c6r7c7r8c7|8,r7c8r8c8|25,r8c0r8c1r8c2r8c3r8c4|23,r7c5r8c5r8c6", "solution": "283915476916784235547362189652493718134678592798521364865147923321859647479236851", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2529, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2530, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2010-09-04", "puzzle": "0,r0c0r0c1r0c2|24,r0c3r0c4r0c5|0,r0c7r0c8|0,r1c1r1c2r1c3|4,r1c4r1c5|0,r1c0r2c0|0,r2c1r2c2r2c3|11,r2c4r2c5|18,r0c6r1c6r2c6|14,r1c7r1c8r2c7|16,r3c3r3c4r3c5|8,r2c8r3c7r3c8|17,r3c0r4c0|0,r3c1r3c2r4c1|13,r4c2r4c3|3,r4c4r4c5|0,r3c6r4c6r5c6|0,r5c1r5c2r5c3|11,r4c7r5c7|15,r4c8r5c8|0,r5c0r6c0r7c0|0,r5c4r6c4|19,r5c5r6c5r7c5|0,r6c1r7c1|0,r6c2r6c3r7c2|0,r7c3r7c4r8c4|0,r6c6r6c7r7c6|24,r6c8r7c7r7c8|0,r8c0r8c1|0,r8c2r8c3|12,r8c5r8c6|0,r8c7r8c8", "solution": "235897164678431925419265873967583241854912736321674589143729658582146397796358412", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2530, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2533, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-11-24", "puzzle": "16,r0c0r0c1r1c0r2c0|10,r0c2r0c3|11,r1c1r1c2|13,r0c4r1c3r1c4|16,r0c5r0c6r1c5|38,r0c7r0c8r1c6r1c7r1c8r2c7r2c8|6,r2c2r2c3|17,r2c4r2c5r2c6|16,r3c2r3c3r4c2|10,r3c5r3c6|20,r3c0r4c0r5c0|22,r2c1r3c1r4c1r5c1|21,r3c4r4c3r4c4r4c5r5c4|21,r3c7r4c7r5c7r6c7|16,r3c8r4c8r5c8|6,r5c2r5c3|16,r4c6r5c5r5c6|18,r6c2r6c3r6c4|9,r6c5r6c6|37,r6c0r6c1r7c0r7c1r7c2r8c0r8c1|15,r7c3r8c2r8c3|17,r7c4r7c5r8c4|17,r7c6r7c7|7,r8c5r8c6|10,r6c8r7c8r8c7r8c8", "solution": "376458219529176438184293576758639124432817965961524387843962751617345892295781643", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2533, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2532, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-11-24", "puzzle": 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"0,r0c4r0c5|11,r0c6r0c7|16,r0c0r0c1r1c0|13,r0c2r1c1r1c2|0,r0c3r1c3|0,r1c4r1c5|0,r1c6r1c7|0,r0c8r1c8|15,r2c0r2c1|0,r2c3r2c4|0,r2c5r2c6|0,r2c7r2c8|9,r2c2r3c2|0,r3c5r3c6|10,r3c7r3c8|23,r3c0r3c1r4c0r4c1r4c2|28,r4c6r4c7r4c8r5c7r5c8|8,r5c0r5c1|13,r5c2r5c3|0,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|0,r5c6r6c6|11,r6c0r6c1|0,r6c2r6c3|0,r6c4r6c5|0,r6c7r6c8|10,r7c0r8c0|16,r7c1r7c2|6,r7c3r7c4|0,r7c5r8c5|0,r7c6r7c7r8c6|0,r7c8r8c7r8c8|6,r8c1r8c2|10,r8c3r8c4", "solution": "924617385563842791781953642198264537247531869356789214832195476679428153415376928", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2535, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2537, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-11-25", "puzzle": 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"13,r0c0r0c1r0c2|7,r0c4r0c5|11,r1c0r1c1r1c2|16,r1c4r1c5|15,r0c6r0c7r1c6|16,r0c8r1c7r1c8|12,r2c0r2c1|15,r0c3r1c3r2c3|12,r2c7r2c8|14,r2c2r3c1r3c2|9,r2c4r3c4|7,r2c5r3c5|8,r2c6r3c6|16,r3c7r3c8|15,r3c0r4c0r5c0|17,r4c1r5c1|18,r3c3r4c3r5c3|10,r4c7r4c8r5c7|11,r4c2r5c2r6c2|12,r4c4r5c4r6c4|11,r4c5r5c5|11,r4c6r5c6|8,r5c8r6c8|18,r6c0r7c0r8c0|15,r6c1r7c1r8c1|7,r6c3r7c2r7c3|15,r6c5r7c5r8c5|7,r6c6r6c7r7c6|22,r7c7r7c8r8c8|14,r8c2r8c3|13,r7c4r8c4|10,r8c6r8c7", "solution": "346825917218497563759316284432581679597632841681749352973158426864273195125964738", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2541, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2538, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-11-25", "puzzle": 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"0,r0c1r0c2|6,r0c7r0c8|0,r0c0r1c0|0,r1c1r1c2|12,r0c3r1c3|0,r0c4r1c4|16,r0c5r1c5|0,r0c6r1c6|0,r2c0r2c1|0,r2c2r2c3|0,r2c4r2c5r2c6r3c5|0,r1c7r1c8r2c7r2c8|0,r3c1r3c2|0,r3c6r3c7r3c8|17,r3c0r4c0|10,r4c1r4c2|0,r3c3r3c4r4c3|0,r4c5r4c6|5,r5c0r5c1|0,r5c2r5c3|0,r4c4r5c4|10,r5c5r5c6|27,r4c7r4c8r5c7r5c8|0,r6c0r6c1|30,r6c2r6c3r6c4r6c5r7c4r8c4|8,r6c8r7c8|11,r7c2r7c3|16,r6c6r7c5r7c6|12,r6c7r7c7|0,r7c0r8c0|10,r7c1r8c1|12,r8c2r8c3|19,r8c5r8c6r8c7r8c8", "solution": "394867215651429837278315649965748123837192564412653798749281356186534972523976481", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2545, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2543, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2010-11-26", "puzzle": 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"18,r0c1r0c2r0c3|11,r0c6r0c7|17,r0c0r1c0r1c1|7,r1c2r1c3|11,r0c4r0c5r1c4|15,r1c5r1c6|11,r0c8r1c7r1c8|11,r2c1r2c2|10,r2c3r2c4|14,r2c5r2c6|9,r2c7r2c8|3,r2c0r3c0|10,r3c2r3c3|10,r3c5r3c6|17,r3c7r3c8|14,r3c1r4c0r4c1|11,r4c2r4c3|20,r3c4r4c4r5c4|5,r4c5r4c6|12,r4c7r4c8r5c7|8,r5c0r5c1|17,r5c2r5c3|3,r5c5r5c6|13,r5c8r6c8|17,r6c0r6c1|9,r6c2r6c3|6,r6c4r6c5|6,r6c6r6c7|14,r7c0r7c1r8c0|9,r7c2r7c3|16,r7c4r8c3r8c4|8,r7c5r7c6|19,r7c7r7c8r8c8|7,r8c1r8c2|17,r8c5r8c6r8c7", "solution": "467518923853429671192736854214653789679284135538971246986342517741865392325197468", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2546, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2548, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-11-27", "puzzle": 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"0,r0c4r0c5|13,r0c6r0c7|14,r0c0r1c0|0,r0c1r1c1|13,r0c2r0c3r1c2|0,r1c3r1c4r2c4|10,r1c5r1c6|18,r0c8r1c7r1c8|0,r2c5r2c6r2c7|0,r2c0r2c1r2c2r3c0|0,r2c3r3c3|0,r3c5r4c5|16,r3c6r3c7|0,r2c8r3c8|11,r3c1r4c0r4c1|4,r3c2r4c2|10,r3c4r4c4r5c4|0,r4c6r5c6|0,r4c7r4c8r5c7|0,r5c0r6c0|16,r5c1r5c2|0,r4c3r5c3|0,r5c5r6c5|0,r5c8r6c6r6c7r6c8|0,r6c1r6c2r6c3|14,r7c0r7c1r8c0|16,r7c2r7c3|0,r6c4r7c4r7c5|12,r7c6r8c5r8c6|11,r7c7r8c7|7,r7c8r8c8|11,r8c1r8c2|7,r8c3r8c4", "solution": "914362587586147329372895641623418795451976832897523416245639178169784253738251964", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2565, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2567, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2010-12-01", "puzzle": 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"5,r0c1r0c2|12,r0c6r0c7|28,r0c0r1c0r1c1r1c2r2c2|13,r0c3r1c3r2c3|13,r0c4r1c4|17,r0c5r1c5r2c5|24,r0c8r1c6r1c7r1c8r2c6|24,r2c0r2c1r3c0r3c1|3,r2c4r3c4|41,r3c2r3c3r3c5r3c6r4c3r4c4r4c5|21,r2c7r2c8r3c7r3c8|6,r4c1r4c2|14,r4c6r4c7|14,r4c0r5c0r6c0|22,r5c1r5c2r6c1r7c0r7c1|13,r5c3r5c4r5c5|21,r5c6r5c7r6c7r7c7r7c8|13,r4c8r5c8r6c8|16,r6c2r6c3|17,r6c4r7c4r8c4|4,r6c5r6c6|9,r7c2r7c3|15,r7c5r7c6|12,r8c0r8c1|12,r8c2r8c3|9,r8c5r8c6|7,r8c7r8c8", "solution": "241863579698175234753429681936218457124597863875634192567941328312786945489352716", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2593, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2596, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-12-07", "puzzle": 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"17,r0c0r0c1r0c2|10,r0c3r0c4r0c5|11,r0c7r0c8|7,r1c0r1c1|18,r1c2r1c3r2c2|10,r1c4r1c5|17,r0c6r1c6r1c7|9,r1c8r2c8|9,r2c0r2c1|16,r2c3r2c4|8,r2c6r2c7|14,r3c0r4c0|14,r3c1r3c2r4c1|9,r3c3r3c4|9,r2c5r3c5|18,r3c7r3c8r4c8|9,r4c3r4c4|13,r3c6r4c5r4c6|9,r4c7r5c7|12,r5c0r5c1|7,r4c2r5c2r5c3|16,r5c4r5c5r5c6|19,r6c3r6c4r7c4|18,r5c8r6c7r6c8|14,r6c0r7c0|8,r6c1r7c1|18,r6c2r7c2r7c3|6,r6c5r7c5|9,r6c6r7c6r7c7|13,r7c8r8c8|10,r8c0r8c1|5,r8c2r8c3|10,r8c4r8c5|13,r8c6r8c7", "solution": "296415783347628915185973624839546172624187539751239468573864291918752346462391857", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2611, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2612, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-12-10", "puzzle": 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"16,r0c3r0c4r0c5|18,r0c0r0c1r1c0r2c0|15,r0c2r1c1r1c2|17,r1c3r1c4r1c5|9,r0c6r1c6r1c7|27,r0c7r0c8r1c8r2c8|12,r2c1r2c2|8,r2c4r3c4|9,r2c6r2c7|3,r3c0r3c1|26,r2c3r3c2r3c3r4c3|18,r2c5r3c5r3c6r4c5|13,r3c7r3c8|12,r4c1r4c2|6,r4c4r5c4|7,r4c6r4c7|13,r4c0r5c0|19,r5c1r5c2r5c3|13,r5c5r5c6r5c7|9,r4c8r5c8|27,r6c0r6c1r6c2r6c3r7c0r7c1|35,r6c5r6c6r6c7r6c8r7c7r7c8|13,r7c2r7c3|8,r6c4r7c4|7,r7c5r7c6|12,r8c0r8c1|21,r8c2r8c3r8c4r8c5r8c6|12,r8c7r8c8", "solution": "725394168691287354348615729213976485957843612486521937132759846869432571574168293", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2617, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2619, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-10-22", "puzzle": "16,r0c0r0c1r1c0|21,r0c3r0c4r0c5|18,r0c6r0c7r1c6|5,r0c2r1c2|11,r0c8r1c7r1c8|16,r1c1r2c0r2c1|7,r1c3r1c4r2c3|8,r1c5r2c5|12,r2c6r2c7|20,r2c2r3c2r3c3|11,r2c4r3c4|9,r3c6r3c7|12,r2c8r3c8|12,r3c0r4c0|3,r3c1r4c1|20,r3c5r4c4r4c5|17,r4c7r4c8r5c7|12,r5c0r5c1|14,r4c2r4c3r5c2|9,r4c6r5c6|7,r5c8r6c8|10,r6c0r6c1|13,r6c2r6c3|15,r5c3r5c4r6c4|11,r5c5r6c5r6c6|17,r7c1r7c2|7,r7c5r8c5r8c6|13,r6c7r7c6r7c7|8,r7c0r8c0|6,r8c1r8c2|13,r7c3r8c3|8,r7c4r8c4|24,r7c8r8c7r8c8", "solution": "542876913793415826168293754417529638826347591935168472374982165289651347651734289", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2619, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2620, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-10-22", "puzzle": 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"11,r0c0r0c1|17,r0c3r0c4r0c5|11,r0c7r0c8|17,r1c0r1c1|7,r0c2r1c2|11,r1c3r1c4r1c5|3,r0c6r1c6|13,r1c7r1c8|8,r2c0r3c0r4c0|21,r2c1r3c1r4c1|10,r2c2r3c2r4c2|9,r2c3r3c3|11,r2c4r3c4|8,r2c5r3c5|21,r2c6r3c6r4c6|16,r2c7r3c7r4c7|15,r2c8r3c8r4c8|16,r4c3r4c4r4c5|10,r5c0r5c1|9,r5c4r6c4|8,r5c7r5c8|7,r6c1r7c1|23,r5c2r5c3r6c2|13,r5c5r5c6r6c6|9,r6c7r7c7|9,r6c0r7c0|11,r6c8r7c8|7,r8c0r8c1|14,r7c2r8c2|10,r6c3r7c3r8c3|15,r7c4r8c4|16,r6c5r7c5r8c5|12,r7c6r8c6|7,r8c7r8c8", "solution": "564719238983425167172836954357182496491673825826954371238547619749361582615298743", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2623, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2624, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-10-23", "puzzle": "26,r0c0r0c1r1c0r1c1|3,r0c3r0c4|20,r0c5r0c6r0c7|5,r0c2r1c2|16,r1c3r1c4r2c4|15,r1c6r1c7r2c7r2c8|16,r0c8r1c8|9,r2c0r2c1|11,r1c5r2c5r2c6|16,r2c2r2c3r3c2|13,r3c5r3c6r3c7|14,r3c8r4c8|7,r3c0r4c0|21,r3c1r4c1r4c2|9,r3c3r3c4r4c3|18,r4c4r4c5r5c4|13,r4c6r4c7r5c7|14,r5c1r5c2r6c2|19,r5c0r6c0r7c0|19,r5c3r6c3r7c3|16,r5c5r5c6r6c5|6,r5c8r6c8|19,r6c1r7c1r7c2r8c2|18,r6c4r7c4r7c5|12,r6c6r6c7r7c6|8,r8c0r8c1|11,r8c3r8c4|10,r8c5r8c6|21,r7c7r7c8r8c7r8c8", "solution": "364127589981354627275986143692431758148275936753869412816593274427618395539742861", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2624, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2626, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2010-10-23", "puzzle": 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"13,r0c0r0c1r0c2|10,r0c5r0c6|13,r0c7r0c8|8,r1c0r1c1|21,r0c3r1c2r1c3|8,r0c4r1c4r1c5|17,r1c6r1c7r1c8|16,r2c3r2c4|12,r2c0r3c0|10,r2c1r3c1|28,r2c5r2c6r2c7r3c4r3c5r3c6|8,r2c8r3c8r4c8|11,r4c1r5c1|14,r2c2r3c2r4c2|21,r3c3r4c3r4c4r4c5r5c5|16,r4c6r5c6r6c6|9,r3c7r4c7|17,r4c0r5c0r6c0|28,r5c2r5c3r5c4r6c1r6c2r6c3|8,r5c7r6c7|13,r5c8r6c8|14,r6c4r6c5|21,r7c0r7c1r7c2|8,r7c3r7c4r8c4|17,r7c5r7c6r8c5|9,r7c7r7c8|5,r8c0r8c1|8,r8c2r8c3|22,r8c6r8c7r8c8", "solution": "652813794179425638348796125961374852785962341234581976823659417597148263416237589", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2625, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2628, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-10-24", "puzzle": "3,r0c1r0c2|17,r0c4r0c5r1c4|16,r0c6r0c7r0c8|20,r0c0r1c0r2c0|15,r1c1r1c2r2c2|14,r0c3r1c3|9,r1c5r1c6|7,r2c3r2c4r2c5|13,r1c7r2c6r2c7|12,r3c0r4c0|12,r2c1r3c1|8,r3c2r3c3|10,r3c4r3c5|11,r3c6r3c7|21,r1c8r2c8r3c8|11,r4c1r4c2|15,r4c3r4c4r4c5|10,r4c6r4c7|6,r5c0r6c0r7c0|8,r5c1r5c2|12,r5c3r5c4|11,r5c5r5c6|6,r5c7r6c7|10,r4c8r5c8|19,r6c1r6c2r7c1|17,r6c3r6c4r6c5|12,r7c2r7c3|7,r7c5r8c5|22,r6c6r7c6r7c7|10,r6c8r7c8r8c8|20,r8c0r8c1r8c2|12,r7c4r8c3r8c4|9,r8c6r8c7", "solution": "621839754934657218578142396456291837892375461317486529165728943283914675749563182", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2628, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2627, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2010-10-23", "puzzle": 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"9,r0c3r0c4|16,r0c5r0c6r1c6|10,r0c0r1c0|14,r0c1r1c1|10,r0c2r1c2r2c2|12,r1c4r1c5|14,r0c7r1c7|6,r0c8r1c8|11,r2c0r2c1|6,r1c3r2c3|17,r2c4r2c5|9,r2c6r2c7|18,r3c1r3c2r3c3|7,r3c4r3c5|8,r2c8r3c8|7,r3c0r4c0|4,r4c1r5c1|11,r4c2r5c2|22,r4c3r4c4r4c5|8,r3c6r4c6|8,r3c7r4c7|17,r4c8r5c8|9,r5c0r6c0|13,r5c3r5c4|7,r5c5r5c6r5c7|11,r6c1r6c2|8,r6c3r6c4|14,r6c5r7c5|14,r6c7r6c8|12,r7c0r8c0|12,r7c1r8c1|14,r7c3r7c4|15,r6c6r7c6r8c6|8,r7c7r8c7|8,r7c8r8c8|10,r7c2r8c2r8c3|6,r8c4r8c5", "solution": "982631754163457892745298631298143567514976328637582149329715486451869273876324915", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2637, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2638, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-10-26", "puzzle": 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"19,r0c0r0c1r1c0|19,r0c5r0c6r0c7|4,r0c2r1c2|8,r0c3r1c3|15,r0c4r1c4|20,r1c5r1c6r2c6|6,r0c8r1c8r2c8|9,r2c0r3c0|12,r2c2r2c3r3c2|3,r2c4r2c5|15,r1c7r2c7|16,r1c1r2c1r3c1|9,r3c5r3c6|18,r4c0r4c1r4c2|16,r3c4r4c4r5c4|9,r4c5r4c6|7,r3c7r4c7r5c7|15,r5c1r6c1r7c1|21,r3c3r4c3r5c3|7,r5c5r5c6|21,r3c8r4c8r5c8|8,r5c0r6c0|24,r5c2r6c2r6c3|11,r6c4r6c5|14,r6c7r7c7|9,r7c2r8c2|3,r7c3r8c3|10,r7c4r8c4|10,r6c6r7c5r7c6|18,r6c8r7c8r8c8|14,r7c0r8c0r8c1|15,r8c5r8c6r8c7", "solution": "823579461941386572576412983452893617639721845718654329167938254385247196294165738", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2651, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2657, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-11-16", "puzzle": 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"17,r0c0r0c1|0,r0c3r0c4|5,r0c2r1c2|0,r1c3r1c4|5,r0c5r1c5|11,r0c6r1c6|0,r0c7r1c7|12,r0c8r1c8r2c8|0,r1c0r2c0|8,r1c1r2c1|13,r2c2r2c3|0,r2c4r2c5r3c5|0,r2c6r2c7r3c6|0,r3c7r3c8|0,r3c0r4c0|0,r3c1r4c1|0,r3c2r3c3r4c2r4c3|0,r3c4r4c4r5c4|20,r4c5r4c6r5c5r5c6|16,r4c7r5c7|13,r4c8r5c8|7,r5c0r5c1|0,r5c2r6c1r6c2|0,r5c3r6c3r6c4|0,r6c5r6c6|7,r6c7r7c7|0,r6c8r7c8|17,r6c0r7c0r8c0|7,r7c1r8c1|0,r7c2r8c2|0,r7c3r8c3|7,r7c4r7c5|14,r7c6r8c6|9,r8c4r8c5|6,r8c7r8c8", "solution": "983264751672351489415897632397582146168439275524176398256943817841725963739618524", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2655, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2652, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-11-15", "puzzle": "14,r0c1r0c2r0c3|16,r0c4r0c5r0c6r1c5|15,r0c7r0c8|17,r0c0r1c0r1c1|20,r1c2r1c3r2c3|13,r2c0r2c1r2c2r3c0|18,r1c4r2c4r2c5|10,r1c6r1c7r2c6r2c7|15,r1c8r2c8|18,r3c1r3c2r4c2|8,r3c4r3c5|12,r3c6r3c7r4c7|16,r4c0r5c0|24,r3c3r4c3r4c4r4c5r5c5|9,r3c8r4c8|8,r4c1r5c1r5c2|13,r5c3r5c4|21,r4c6r5c6r5c7|3,r6c0r7c0|25,r6c1r6c2r7c1r7c2|15,r6c3r6c4r7c4|19,r5c8r6c6r6c7r6c8|15,r6c5r7c5r7c6|11,r7c7r7c8r8c8|12,r8c0r8c1|16,r7c3r8c2r8c3r8c4|22,r8c5r8c6r8c7", "solution": "692341578837526149514879236348762915956183724721495863263918457179654382485237691", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2652, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2656, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-11-16", "puzzle": "18,r0c3r0c4r0c5|16,r0c0r1c0r2c0|8,r0c1r1c1|12,r0c2r1c2|17,r1c3r1c4r1c5|14,r0c6r1c6|5,r0c7r1c7|17,r0c8r1c8r2c8|17,r2c1r2c2r3c2|14,r2c6r2c7r3c6|12,r2c3r3c3r4c3|10,r2c4r3c4|10,r2c5r3c5r4c5|10,r4c0r5c0|8,r3c0r3c1r4c1|16,r3c7r3c8r4c7|12,r4c8r5c8|10,r4c2r5c2|10,r4c6r5c6|15,r5c1r6c1|16,r5c3r6c2r6c3|16,r4c4r5c4r6c4|14,r5c5r6c5r6c6|7,r5c7r6c7|18,r6c0r7c0r8c0|9,r6c8r7c8r8c8|18,r7c1r7c2r8c1|6,r7c3r8c2r8c3|8,r7c4r8c4|21,r7c5r8c5r8c6|21,r7c6r7c7r8c7", "solution": "613972845279548613845613279128496537754231968396857124961784352537129486482365791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2656, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2654, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2010-11-15", "puzzle": 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"8,r0c3r0c4|9,r0c5r0c6|35,r0c7r0c8r1c6r1c7r2c6r2c7|21,r0c0r0c1r0c2r1c0|3,r1c2r1c3|14,r1c4r1c5|15,r1c1r2c0r2c1|22,r2c2r2c3r2c4|14,r1c8r2c8r3c8|28,r3c2r3c3r3c4r4c2r5c2|10,r2c5r3c5|5,r3c0r4c0|17,r3c1r4c1r5c1|19,r4c3r4c4r4c5|15,r3c7r4c7r5c7|12,r4c8r5c8|7,r5c3r6c3|18,r3c6r4c6r5c4r5c5r5c6|13,r5c0r6c0r7c0|9,r6c4r6c5r6c6|17,r6c7r6c8r7c7|9,r7c3r7c4|17,r7c5r7c6|17,r7c8r8c6r8c7r8c8|30,r6c1r6c2r7c1r7c2r8c0r8c1|12,r8c2r8c3|9,r8c4r8c5", "solution": "923174586751268493648593712485617239137982654269345178892451367316729845574836921", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2653, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2658, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-11-16", "puzzle": "15,r0c0r0c1|4,r0c4r0c5|5,r1c0r1c1|17,r0c2r0c3r1c2|22,r1c3r1c4r1c5r2c4|5,r0c6r1c6|30,r0c7r0c8r1c7r1c8|11,r2c0r2c1r3c0|19,r2c2r2c3r3c3r4c3|15,r2c5r2c6r2c7|19,r3c1r3c2r4c1r4c2|26,r3c4r3c5r3c6r4c4|28,r2c8r3c7r3c8r4c7r5c7r6c7|14,r4c0r5c0r6c0|5,r5c2r5c3|13,r4c5r5c5r6c5|16,r4c6r5c6r6c6|11,r4c8r5c8|12,r5c4r6c4r7c4|26,r5c1r6c1r6c2r7c1r7c2|13,r6c3r7c3|26,r6c8r7c5r7c6r7c7r7c8|13,r7c0r8c0|10,r8c1r8c2|10,r8c3r8c4|15,r8c5r8c6|5,r8c7r8c8", "solution": "965413278148572369237986541651297483394168725782354196429631857816745932573829614", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2658, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2660, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2010-11-16", "puzzle": "12,r0c0r0c1|13,r0c2r0c3r1c3|15,r1c1r1c2|0,r0c4r0c5r1c4|0,r1c5r1c6|0,r0c6r0c7r1c7|11,r0c8r1c8|0,r1c0r2c0|0,r2c1r2c2|22,r2c3r2c4r2c5r2c6|0,r2c7r2c8|0,r3c0r3c1r4c0|4,r3c3r3c4|0,r4c1r5c0r5c1|0,r3c2r4c2r5c2|29,r3c5r4c3r4c4r4c5r5c3|8,r3c6r4c6r5c6|0,r3c7r3c8r4c7|0,r5c4r5c5|14,r4c8r5c7r5c8|10,r6c0r6c1|0,r6c2r6c3r6c4r6c5|0,r6c6r6c7|4,r6c8r7c8|12,r7c0r8c0|15,r7c1r8c1r8c2|12,r7c2r7c3|0,r7c4r8c3r8c4|10,r7c6r7c7|0,r7c5r8c5r8c6|13,r8c7r8c8", "solution": "754231869396758412281469375548317296637592184129684537915846723873925641462173958", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2660, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2663, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-11-17", "puzzle": "10,r0c1r0c2|37,r0c3r0c4r0c5r0c6r0c7r1c3r1c4r2c4|14,r0c0r1c0r2c0|13,r1c1r1c2|27,r0c8r1c7r1c8r2c7r2c8|13,r2c3r3c3|17,r1c5r1c6r2c6|16,r2c1r2c2r3c1r3c2|11,r2c5r3c5r3c6|16,r3c0r4c0r5c0|11,r4c1r5c1|13,r4c2r4c3|12,r3c4r4c4r5c4|10,r4c5r4c6|14,r3c7r4c7|17,r3c8r4c8r5c8|10,r5c2r5c3r6c3|25,r5c6r5c7r6c6r6c7|19,r6c2r7c2r7c3|8,r5c5r6c5|20,r6c0r6c1r7c0r7c1r8c0|11,r7c6r7c7|15,r6c8r7c8r8c8|43,r6c4r7c4r7c5r8c1r8c2r8c3r8c4r8c5|3,r8c6r8c7", "solution": "937452618185736492462891753371548269524967381896123547248315976619274835753689124", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2663, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2662, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-11-17", "puzzle": 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"17,r0c0r0c1r1c0|10,r0c5r0c6|16,r0c2r1c1r1c2|12,r0c3r0c4r1c3|10,r0c7r0c8r1c7|8,r2c0r2c1|6,r2c2r2c3|17,r1c4r1c5r2c4|24,r1c6r2c6r2c7|9,r1c8r2c8|16,r3c0r3c1|10,r2c5r3c5|4,r3c6r3c7|7,r4c0r4c1|12,r3c2r4c2r5c2|22,r3c4r4c4r5c4|11,r4c5r4c6r4c7|17,r3c8r4c8r5c8|10,r5c0r5c1|16,r3c3r4c3r5c3|5,r5c5r6c5|14,r5c6r5c7|5,r6c0r6c1|16,r6c2r6c3|14,r6c4r7c4r7c5|16,r6c6r6c7r7c6|9,r6c8r7c8|16,r7c1r7c2r8c2|12,r7c3r8c3r8c4|17,r7c7r8c7r8c8|17,r7c0r8c0r8c1|10,r8c5r8c6", "solution": "936748251582139746174256983798564132253891467641372598417983625329615874865427319", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2661, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2665, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2010-11-17", "puzzle": 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"23,r0c0r0c1r0c2r1c1r2c1|8,r0c3r0c4|9,r1c2r1c3|26,r0c5r0c6r0c7r1c5r2c5|7,r1c6r1c7|7,r0c8r1c8|12,r1c0r2c0|17,r2c2r2c3|12,r1c4r2c4|7,r2c7r2c8|10,r3c0r3c1|10,r3c2r3c3|8,r2c6r3c6|18,r3c7r3c8r4c8|8,r4c1r4c2|12,r4c3r5c3|15,r3c4r4c4r5c4|13,r3c5r4c5|8,r4c6r4c7|19,r4c0r5c0r5c1|7,r5c2r6c2|10,r5c5r5c6|10,r5c7r5c8|5,r6c0r6c1|10,r6c4r7c4|12,r6c5r6c6|9,r6c8r7c8|13,r7c0r8c0|11,r7c1r7c2|22,r6c3r7c3r8c1r8c2r8c3|9,r7c5r7c6|10,r8c4r8c5|28,r6c7r7c7r8c6r8c7r8c8", "solution": "714265983952783614368941752287396145435817269691452837146579328829634571573128496", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2667, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2666, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-11-18", "puzzle": "9,r0c1r0c2|14,r0c6r0c7|3,r0c0r1c0|12,r1c1r1c2|8,r0c3r1c3|11,r0c4r1c4r2c4|17,r0c5r1c5|8,r1c6r1c7|10,r0c8r1c8|17,r2c0r3c0|9,r2c1r3c1r4c1|13,r2c2r3c2|8,r2c3r3c3|23,r3c4r4c4r5c4|13,r2c5r3c5|6,r2c6r3c6|20,r2c7r3c7r4c7|5,r2c8r3c8|16,r4c2r5c1r5c2|16,r4c6r5c6r5c7|11,r4c0r5c0|14,r4c3r5c3r6c3|9,r4c5r5c5r6c5|11,r4c8r5c8|10,r6c1r6c2|7,r6c6r6c7|14,r6c0r7c0r8c0|16,r7c1r7c2r7c3|8,r6c4r7c4|16,r7c5r7c6r7c7|19,r6c8r7c8r8c8|11,r8c1r8c2|14,r8c3r8c4r8c5|7,r8c6r8c7", "solution": "263148957148759623957326481816597234435281796729463815691875342382614579574932168", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2666, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2668, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-11-18", "puzzle": "20,r0c0r0c1r0c2r0c3|27,r0c7r0c8r1c7r1c8|14,r1c1r1c2r1c3|25,r0c4r0c5r0c6r1c4r2c4|9,r1c0r2c0|16,r2c1r2c2r2c3|15,r1c5r1c6r2c5|8,r3c4r3c5|13,r2c6r3c6r4c6|13,r2c7r3c7|9,r2c8r3c8|22,r3c0r3c1r3c2r4c1r4c2|8,r3c3r4c3|11,r4c7r4c8r5c8|15,r4c0r5c0|24,r4c4r5c3r5c4r6c3|13,r4c5r5c5|8,r5c6r5c7|11,r5c1r6c1|7,r5c2r6c2|16,r6c4r6c5|6,r6c0r7c0r8c0|30,r7c1r7c2r7c3r8c1r8c2|21,r6c6r6c7r6c8r7c4r7c5r7c6|44,r7c7r7c8r8c3r8c4r8c5r8c6r8c7r8c8", "solution": "763482159492351867518796243835217496924635781671948532246879315359124678187563924", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2668, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2671, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-11-19", "puzzle": "7,r0c7r0c8|16,r0c0r1c0r2c0|12,r0c1r0c2r1c1|14,r1c2r2c2|14,r0c3r0c4r1c3|17,r0c5r0c6r1c5|11,r1c6r1c7r1c8|12,r1c4r2c3r2c4|16,r2c7r2c8|8,r2c1r3c0r3c1|15,r3c2r3c3r4c2|7,r2c5r3c5|22,r2c6r3c6r3c7|9,r3c8r4c8|17,r4c3r5c3r6c3|15,r3c4r4c4r5c4|16,r4c6r4c7r5c6|14,r4c0r5c0|14,r4c1r5c1|7,r5c2r6c2|10,r4c5r5c5|6,r5c7r5c8|10,r6c4r6c5r6c6|11,r6c7r7c7|14,r6c0r7c0r8c0|15,r6c1r7c1r7c2|17,r7c3r7c4|14,r6c8r7c8r8c8|12,r8c1r8c2|7,r8c3r8c4|9,r7c5r7c6r8c5|17,r8c6r8c7", "solution": "529748316718396425436215879147632598852479631693851742984527163361984257275163984", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2671, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2670, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2010-11-18", "puzzle": "0,r0c2r0c3r0c4|13,r0c7r0c8r1c8|0,r0c0r1c0|12,r0c1r1c1|0,r0c5r1c4r1c5|24,r0c6r1c6r1c7r2c7r2c8|15,r1c2r2c2|10,r1c3r2c3|31,r2c4r2c5r2c6r3c6r4c6|0,r2c0r3c0|8,r2c1r3c1|0,r3c2r3c3|0,r3c7r3c8r4c7|0,r4c2r4c3|18,r3c4r3c5r4c4r4c5|0,r4c0r5c0|0,r4c1r5c1|19,r5c2r5c3r6c2r6c3|0,r5c4r6c4|0,r5c5r6c5|8,r5c6r5c7|0,r4c8r5c8r6c8|3,r6c6r6c7|26,r6c0r7c0r8c0r8c1r8c2|0,r6c1r7c1r7c2|12,r7c3r7c4|5,r7c5r7c6|15,r7c7r7c8|10,r8c3r8c4|0,r8c5r8c6|0,r8c7r8c8", "solution": "136498275498725631527316894865173942943562718271849356384657129652931487719284563", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2670, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2672, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-11-19", "puzzle": "8,r0c3r0c4|11,r0c0r0c1r1c0|24,r0c2r1c1r1c2r1c3|11,r0c5r1c5|10,r0c6r1c6|7,r0c7r1c7|13,r0c8r1c8|8,r2c0r2c1|14,r1c4r2c3r2c4|12,r2c5r2c6|12,r2c7r2c8r3c8|12,r2c2r3c1r3c2|17,r3c3r4c3r5c3|21,r3c5r3c6r3c7|17,r3c0r4c0r5c0|14,r4c1r4c2|18,r3c4r4c4r5c4|14,r4c5r4c6r4c7r4c8|11,r5c1r5c2r6c2|17,r5c5r5c6r5c7|17,r6c0r6c1|7,r6c3r6c4r7c4|8,r6c5r6c6|14,r5c8r6c7r6c8|18,r7c0r8c0r8c1|12,r7c1r7c2r7c3r8c2|10,r7c5r8c5|9,r7c6r8c6|13,r7c7r8c7|9,r7c8r8c8|17,r8c3r8c4", "solution": "459712368238469715176358429324685971895271634617934582983146257741523896562897143", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2672, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2676, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-11-20", "puzzle": "13,r0c0r0c1|8,r0c3r0c4|17,r0c2r1c2|9,r1c3r1c4|13,r0c5r1c5|11,r0c6r0c7r1c6|10,r0c8r1c8|5,r1c0r2c0|6,r1c1r2c1|9,r2c4r2c5|15,r1c7r2c6r2c7|7,r2c2r3c2|13,r2c3r3c3|8,r3c4r3c5|10,r3c6r3c7|17,r2c8r3c8|19,r3c0r4c0r5c0|20,r3c1r4c1r5c1|5,r4c2r4c3|17,r4c4r4c5|10,r4c6r4c7r4c8|9,r5c2r6c2|12,r5c3r6c3|6,r5c4r5c5|10,r5c6r5c7|8,r5c8r6c8|13,r6c0r7c0|11,r6c1r7c1|7,r6c4r6c5|21,r6c6r6c7r7c7|11,r7c2r8c2|5,r7c3r7c4|10,r7c5r8c5|18,r7c6r8c6r8c7|5,r7c8r8c8|3,r8c0r8c1|14,r8c3r8c4", "solution": "768539214319274856254681739543726198671498325892315467437952681986143572125867943", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2676, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2677, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2010-11-20", "puzzle": "14,r0c0r0c1|9,r0c2r1c2|16,r0c3r1c3|19,r0c4r0c5r1c4r1c5|11,r0c6r0c7r1c6|23,r0c8r1c7r1c8r2c8r3c8|18,r1c0r2c0r3c0|14,r1c1r2c1r2c2r2c3|19,r2c4r3c4r4c4r5c4r6c4|16,r2c5r2c6r3c5|7,r2c7r3c7|13,r3c1r4c0r4c1|15,r3c2r4c2r5c2|12,r3c3r4c3|14,r4c5r5c5|17,r3c6r4c6r5c6|14,r4c7r4c8r5c7|4,r5c1r6c1|17,r5c3r6c2r6c3|26,r6c5r6c6r6c7r7c7|24,r5c8r6c8r7c8|24,r5c0r6c0r7c0r7c1r8c0|16,r7c2r8c1r8c2|21,r7c3r7c4r8c3r8c4|11,r7c5r8c5|5,r7c6r8c6|6,r8c7r8c8", "solution": "596782134123954786874136952965471823342869571718325469239517648651248397487693215", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2677, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2673, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-11-19", "puzzle": "6,r0c0r0c1r0c2|39,r0c6r0c7r0c8r1c6r1c7r1c8|25,r0c3r0c4r0c5r1c3r1c4|21,r1c0r1c1r2c0|27,r1c2r2c1r2c2r2c3|5,r1c5r2c5|6,r2c6r2c7r2c8|13,r3c2r4c2|19,r2c4r3c4r3c5|13,r3c0r3c1r4c0r4c1|11,r3c3r4c3|8,r3c6r4c6|13,r3c7r4c7r5c7|11,r3c8r4c8|6,r4c4r5c4|16,r4c5r5c5r6c5|15,r5c0r6c0|19,r5c1r5c2r6c1r6c2|17,r5c3r6c3r6c4|17,r5c6r6c6r6c7|25,r5c8r6c8r7c7r7c8|19,r7c0r7c1r7c2r8c2|8,r7c3r7c4|16,r7c5r7c6r8c5r8c6|11,r8c0r8c1|11,r8c3r8c4|8,r8c7r8c8", "solution": "123587946496231578857964321235849617718356294964712835672198453541623789389475162", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2673, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2680, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2010-11-20", "puzzle": "27,r0c2r0c3r0c4r0c5r0c6r1c4|6,r0c0r1c0|15,r0c1r1c1|0,r1c2r1c3r2c3r3c3|0,r1c5r1c6r2c5r3c5|0,r0c7r1c7|5,r0c8r1c8|13,r2c0r2c1|0,r2c7r2c8|4,r3c0r3c1|0,r2c2r3c2|0,r2c4r3c4|0,r2c6r3c6|7,r3c7r3c8|0,r4c1r4c2|8,r4c6r4c7|0,r4c0r5c0|21,r4c3r4c4r4c5r5c3r5c5|15,r4c8r5c8|6,r5c1r6c1|0,r5c2r6c2|0,r5c4r6c3r6c4r6c5|0,r5c6r6c6|0,r5c7r6c7|0,r6c0r7c0|31,r7c2r7c3r7c4r7c5r7c6r8c4|11,r6c8r7c8|0,r7c1r8c0r8c1|9,r8c2r8c3|0,r8c5r8c6|7,r7c7r8c7r8c8", "solution": "186725394573946281492831657317694825654382179829157436748219563261573948935468712", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2680, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2679, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2010-11-20", "puzzle": 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"13,r0c0r0c1r0c2|12,r1c0r1c1|26,r0c3r0c4r1c3r2c3|11,r0c5r1c5|12,r0c6r1c6|9,r0c7r1c7|10,r0c8r1c8r2c8|8,r1c2r2c2|5,r1c4r2c4|17,r2c5r2c6r3c6|14,r2c0r3c0|13,r2c1r3c1|5,r3c2r3c3|33,r3c4r3c5r4c4r5c4r5c5|10,r2c7r3c7r3c8|9,r4c0r4c1|9,r4c2r4c3|22,r4c5r4c6r4c7r4c8|7,r5c0r6c0|8,r5c1r6c1|8,r5c2r5c3|23,r5c7r5c8r6c7|17,r6c2r7c2|14,r6c4r7c4|11,r5c6r6c5r6c6|9,r7c0r7c1|14,r6c3r7c3r8c3r8c4|10,r7c5r8c5|8,r7c6r8c6|8,r7c7r8c7|17,r6c8r7c8r8c8|13,r8c0r8c1r8c2", "solution": "931825467752946831846713952694178523183652749275394186518267394369481275427539618", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2702, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2703, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-12-13", "puzzle": "20,r0c0r1c0r2c0r3c0r4c0|29,r0c1r0c2r0c3r1c2r1c3|10,r0c4r1c4|29,r0c5r0c6r0c7r1c5r1c6|23,r0c8r1c8r2c8r3c8r4c8|14,r1c1r2c1|9,r1c7r2c7|19,r2c2r2c3r3c2r3c3|9,r2c4r3c4|22,r2c5r2c6r3c5r3c6|9,r3c1r4c1|10,r4c2r4c3|11,r4c5r4c6|3,r3c7r4c7|15,r5c0r5c1|19,r4c4r5c3r5c4r5c5|9,r5c7r5c8|3,r5c2r6c2|23,r6c3r6c4r6c5|10,r5c6r6c6|30,r6c0r6c1r7c0r7c1r8c0r8c1|9,r7c3r7c4r7c5|37,r6c7r6c8r7c7r7c8r8c7r8c8|13,r7c2r8c2|13,r8c3r8c4r8c5|7,r7c6r8c6", "solution": "124638795658971432793452861265749318439185627871263954542896173917324586386517249", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2703, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2701, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-12-13", "puzzle": "16,r0c0r0c1|15,r0c2r0c3r1c3|13,r0c5r0c6|11,r0c7r0c8r1c8|9,r1c1r1c2|11,r0c4r1c4|17,r1c6r1c7r2c6|10,r1c0r2c0|4,r2c1r2c2|15,r2c3r2c4|5,r1c5r2c5|9,r2c7r2c8|17,r3c0r3c1r4c0|3,r3c2r3c3|13,r3c4r3c5|17,r3c6r3c7r3c8|12,r4c1r4c2|14,r4c3r4c4r4c5|13,r4c6r4c7|14,r5c0r5c1r5c2|9,r5c3r5c4|10,r5c5r5c6|13,r4c8r5c7r5c8|6,r6c0r6c1|17,r6c3r7c3|7,r6c4r6c5|15,r6c6r6c7|8,r6c8r7c8|20,r6c2r7c1r7c2|11,r7c4r8c4|5,r7c6r7c7|12,r7c0r8c0r8c1|12,r8c2r8c3|14,r7c5r8c5r8c6|8,r8c7r8c8", "solution": "796235814254781396813694527932167458548329671671458239425916783369872145187543962", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2701, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2704, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2010-12-13", "puzzle": 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"14,r0c2r0c3|4,r0c7r0c8|18,r0c0r0c1r1c0|10,r1c1r1c2r2c2|13,r0c4r1c3r1c4|10,r0c5r1c5|0,r0c6r1c6r1c7r2c6r2c7|17,r2c3r2c4r2c5|0,r1c8r2c8|0,r2c0r2c1r3c0|0,r3c3r3c4|0,r4c0r5c0r5c1|17,r3c1r3c2r4c1|0,r4c2r5c2|23,r3c5r4c3r4c4r4c5r5c3|5,r3c6r4c6|22,r4c7r5c6r5c7|0,r3c7r3c8r4c8|8,r5c4r5c5|0,r5c8r6c7r6c8|0,r6c0r7c0|0,r6c3r6c4r6c5|0,r6c1r6c2r7c1r7c2r8c2|10,r7c3r8c3|0,r7c4r7c5r8c4|0,r6c6r7c6r7c7|16,r7c8r8c7r8c8|0,r8c0r8c1|12,r8c5r8c6", "solution": "689547231425813967173296584347689125568172493291435678836951742914728356752364819", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2705, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2706, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-12-14", "puzzle": "9,r0c4r0c5|20,r0c8r1c7r1c8|12,r0c0r1c0|6,r0c1r1c1|8,r0c2r1c2|13,r0c3r1c3|13,r1c4r1c5|9,r0c6r0c7r1c6|11,r2c0r2c1|13,r2c2r2c3|16,r2c6r2c7r2c8|20,r3c2r3c3r4c2|8,r2c4r3c4|8,r2c5r3c5|13,r3c6r3c7r3c8|3,r3c0r4c0|7,r3c1r4c1|18,r4c3r4c4r4c5|11,r4c7r5c7|8,r4c8r5c8|23,r5c0r5c1r5c2|4,r5c3r6c3|12,r5c4r6c4|14,r4c6r5c5r5c6|17,r6c0r6c1r6c2|13,r6c5r6c6|6,r6c7r6c8|11,r7c2r8c1r8c2|9,r7c3r7c4|9,r7c5r8c5|7,r7c6r8c6|14,r7c7r8c7|11,r7c8r8c8|17,r7c0r7c1r8c0|12,r8c3r8c4", "solution": "952618437316794285478523961247865319135279846689341572593186724821457693764932158", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2706, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2707, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-12-14", "puzzle": "10,r0c1r0c2|9,r0c3r0c4|13,r0c6r0c7|10,r0c0r1c0|9,r1c3r1c4|13,r0c5r1c5r1c6|15,r0c8r1c7r1c8|16,r1c1r1c2r2c1|11,r2c3r2c4|18,r2c5r2c6r3c5|19,r2c7r2c8r3c8|20,r2c0r3c0r3c1r4c0r4c1|20,r2c2r3c2r3c3r3c4|8,r3c6r3c7|24,r4c2r4c3r4c4r4c5r4c6|14,r5c1r5c2|15,r5c4r5c5r5c6r6c6|16,r4c7r4c8r5c7r5c8r6c8|16,r5c0r6c0r6c1|16,r5c3r6c2r6c3|15,r6c4r6c5|23,r6c7r7c6r7c7|24,r7c0r7c1r8c0|7,r7c2r7c3r8c3|8,r7c4r7c5|9,r7c8r8c8|7,r8c1r8c2|10,r8c4r8c5|10,r8c6r8c7", "solution": "637815492429367158158924637264538719381279546795641823543796281872153964916482375", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2707, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2708, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-12-14", "puzzle": "19,r0c1r0c2r1c1|25,r0c3r0c4r0c5r1c5|12,r0c7r0c8|9,r0c0r1c0|8,r0c6r1c6|10,r2c0r2c1|8,r1c4r2c4|15,r1c7r1c8r2c7|35,r1c2r1c3r2c2r2c3r3c2r3c3r3c4|4,r2c5r3c5|11,r2c6r3c6|5,r3c7r4c7|23,r2c8r3c8r4c8r5c8r6c8|33,r3c0r3c1r4c0r5c0r5c1r5c2r6c2|9,r4c1r4c2|28,r4c3r4c4r4c5r4c6r5c5r5c6|14,r5c7r6c7r7c7|11,r5c3r6c3|17,r5c4r6c4|28,r6c0r7c0r8c0r8c1r8c2r8c3|23,r6c1r7c1r7c2r7c3|11,r6c6r7c6|3,r7c4r8c4|20,r6c5r7c5r8c5|11,r8c6r8c7|13,r7c8r8c8", "solution": "582674193491238756376951248768543921954162837213897465145389672839726514627415389", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2708, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2710, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2010-12-14", "puzzle": "0,r0c0r0c1r0c2r1c0r1c1|17,r0c3r0c4|13,r0c7r0c8|12,r1c2r1c3|0,r0c5r0c6r1c5|5,r1c6r1c7|17,r2c0r2c1r3c1|6,r1c4r2c4r2c5|20,r2c6r2c7r3c7|10,r1c8r2c8|0,r2c2r2c3r3c2|0,r3c3r3c4r3c5r3c6|16,r3c0r4c0r5c0|8,r4c1r4c2|22,r4c3r4c4r4c5|11,r4c6r4c7|0,r3c8r4c8r5c8|0,r5c2r5c3r5c4r5c5|0,r5c6r6c5r6c6|7,r6c0r7c0|0,r5c1r6c1r6c2|0,r6c3r6c4r7c4|0,r5c7r6c7r6c8|0,r7c1r7c2|13,r7c3r8c2r8c3|0,r7c5r7c6|0,r8c0r8c1|7,r8c4r8c5|0,r7c7r7c8r8c6r8c7r8c8", "solution": "421895376395726418678413592849371265162958743753642981234187659517269834986534127", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2710, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2711, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-12-15", "puzzle": "11,r0c0r0c1r0c2|19,r0c3r0c4r0c5|15,r0c6r0c7r0c8|14,r1c0r1c1|16,r1c2r2c1r2c2|8,r1c3r2c3|12,r1c4r1c5r2c4|9,r1c6r2c6|17,r1c7r2c7|4,r1c8r2c8|13,r2c0r3c0r4c0|8,r3c3r3c4|13,r2c5r3c5|10,r3c7r3c8r4c7|13,r3c1r4c1r5c1|10,r3c2r4c2|14,r4c3r4c4|13,r3c6r4c6|12,r5c0r6c0|3,r5c4r6c4|11,r4c5r5c5|13,r4c8r5c7r5c8|17,r5c2r5c3r6c2|16,r5c6r6c5r6c6|18,r6c1r7c1r7c2|18,r6c3r7c3r7c4|10,r6c7r7c6r7c7|11,r7c0r8c0r8c1|13,r8c2r8c3|15,r7c5r8c4r8c5|5,r8c6r8c7|24,r6c8r7c8r8c8", "solution": "137298465956743281482156793649537812321689574578412936795321648263874159814965327", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2711, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2712, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-12-15", "puzzle": "13,r0c0r0c1|10,r0c6r0c7|20,r1c0r1c1r2c0|4,r0c2r1c2|12,r0c3r1c3|9,r0c4r1c4|12,r0c5r1c5r2c5|17,r0c8r1c7r1c8|17,r2c3r2c4r3c3|13,r1c6r2c6|5,r2c7r2c8|13,r2c1r3c1r4c1|17,r2c2r3c2r4c2|8,r3c4r3c5|7,r3c6r3c7|9,r3c0r4c0r5c0|24,r4c3r4c4r4c5|15,r3c8r4c8r5c8|14,r5c1r5c2|4,r5c3r5c4|17,r4c6r5c6r6c6|19,r4c7r5c7r6c7|14,r6c0r6c1|11,r6c2r7c2|12,r5c5r6c4r6c5|14,r7c0r7c1r8c0|15,r6c3r7c3r8c3|5,r7c4r8c4|17,r7c5r8c5|8,r7c6r8c6|13,r6c8r7c7r7c8|6,r8c1r8c2|11,r8c7r8c8", "solution": "851426379493871526726395814179562438342987165568134792687253941934618257215749683", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2712, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2713, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-12-15", "puzzle": 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"10,r0c0r0c1|16,r0c7r0c8|12,r1c0r1c1|8,r0c2r1c2|20,r0c3r1c3r2c3|15,r0c4r1c4r2c4|10,r0c5r1c5r2c5|8,r0c6r1c6|10,r1c7r1c8|11,r2c0r2c1|3,r2c7r2c8|11,r2c2r3c2r3c3|17,r3c4r4c4r5c4|15,r2c6r3c5r3c6|12,r3c0r4c0|16,r3c1r4c1|7,r4c2r4c3|13,r4c5r4c6|10,r3c7r4c7|9,r3c8r4c8|8,r5c0r5c1r6c1|12,r5c2r5c3|11,r5c5r5c6|15,r5c7r5c8r6c7|10,r6c2r7c2|15,r6c3r6c4r6c5|13,r6c6r7c6|16,r6c0r7c0r8c0|18,r7c3r7c4r7c5|17,r6c8r7c8r8c8|14,r7c1r8c1r8c2|12,r8c3r8c4r8c5|11,r7c7r8c6r8c7", "solution": "281546397937821564564793812496135278875264931123987456352618749718459623649372185", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2716, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2717, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-12-16", "puzzle": 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"17,r0c0r0c1r1c0|14,r0c6r0c7r0c8|17,r0c2r1c2r2c2|12,r0c3r1c3r2c3|15,r0c4r0c5r1c4|19,r1c5r1c6r2c6|4,r1c7r1c8|9,r1c1r2c1|17,r2c4r3c4|16,r2c7r2c8r3c7|6,r2c0r3c0|14,r2c5r3c5r3c6|8,r4c0r5c0|17,r3c1r4c1|10,r3c2r3c3r4c2|11,r4c3r4c4r4c5|20,r4c6r5c5r5c6|7,r4c7r5c7|15,r3c8r4c8|15,r5c2r5c3r6c3|13,r5c8r6c8|11,r5c1r6c0r6c1|9,r5c4r6c4|12,r6c7r7c7|6,r7c0r7c1|18,r6c2r7c2r7c3|12,r7c4r8c3r8c4|17,r6c5r7c5r8c5|13,r6c6r7c6r8c6|20,r8c0r8c1r8c2|11,r7c8r8c7r8c8", "solution": "831964275649257831257183496482395617795641328163728954328576149516439782974812563", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2721, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2722, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-12-17", "puzzle": "14,r0c2r0c3r0c4|11,r0c5r0c6|15,r0c7r0c8|6,r0c0r1c0|16,r0c1r1c1r1c2|16,r1c6r1c7r1c8|12,r1c3r2c2r2c3|13,r1c4r2c4r3c4|9,r1c5r2c5|24,r2c0r3c0r4c0|21,r2c1r3c1r3c2|10,r2c6r3c6r4c6|14,r2c7r3c7r4c7|9,r2c8r3c8|36,r3c3r3c5r4c3r4c4r4c5r5c3r5c5|8,r5c0r6c0|11,r4c1r5c1r6c1|12,r4c2r5c2r6c2|9,r5c6r5c7r6c7|24,r4c8r5c8r6c8|12,r6c3r7c3|14,r5c4r6c4r7c4|18,r6c5r6c6r7c5|17,r7c0r7c1r7c2|15,r7c6r7c7r8c7|3,r7c8r8c8|6,r8c0r8c1|17,r8c2r8c3|13,r8c4r8c5r8c6", "solution": "231854796476192853985637124794216385812375649563489217347521968629748531158963472", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2722, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2723, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-12-17", "puzzle": "15,r0c1r0c2|14,r0c0r1c0|12,r0c4r1c4|3,r0c5r1c5|9,r0c6r1c6|13,r0c7r0c8r1c7|13,r1c1r2c0r2c1|37,r0c3r1c2r1c3r2c2r2c3r3c2r3c3|30,r2c4r2c5r2c6r3c4r3c5|12,r1c8r2c8|8,r3c0r3c1|10,r2c7r3c6r3c7|16,r4c0r4c1r4c2r4c3|12,r4c4r4c5r4c6|22,r3c8r4c7r4c8r5c8|11,r5c0r5c1|10,r5c6r5c7r6c7|22,r6c0r6c1r7c1|34,r5c2r5c3r6c2r6c3r7c2r7c3r8c3|27,r5c4r5c5r6c4r6c5r6c6|8,r6c8r7c8|3,r7c0r8c0|13,r7c4r8c4|11,r7c5r8c5|11,r7c6r8c6|22,r7c7r8c7r8c8|7,r8c1r8c2", "solution": "578492163962731845431685927629817534715324698384956271857249316196573482243168759", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2723, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2726, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-12-18", "puzzle": "23,r0c0r0c1r0c2|8,r0c4r0c5|10,r1c1r1c2|8,r0c3r1c3|6,r1c4r1c5|12,r0c6r0c7r1c6|22,r0c8r1c7r1c8|3,r1c0r2c0|11,r2c1r2c2r3c2|15,r2c4r2c5|9,r2c7r2c8r3c7|11,r3c0r3c1|14,r2c3r3c3|9,r3c4r3c5|10,r2c6r3c6|13,r4c0r4c1|17,r4c2r4c3r4c4|13,r4c5r4c6r4c7|12,r5c0r5c1|11,r5c3r6c3|9,r5c4r5c5|13,r5c6r6c6|12,r3c8r4c8r5c8|16,r6c0r7c0|10,r5c2r6c1r6c2|8,r6c4r6c5|19,r5c7r6c7r6c8|13,r7c1r7c2|5,r7c3r8c3|10,r7c4r7c5|13,r7c6r8c6r8c7|15,r7c7r7c8r8c8|12,r8c0r8c1r8c2|13,r8c4r8c5", "solution": "869371245137542698245869713472618359581793462396254871713926584958437126624185937", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2726, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2725, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2010-12-17", "puzzle": "22,r0c0r0c1r0c2r0c3|0,r0c4r0c5r0c6r0c7r0c8r1c5|0,r1c1r1c2|0,r1c3r1c4|12,r1c6r1c7|0,r1c0r2c0|13,r2c1r2c2|0,r2c3r2c4r2c5|0,r2c6r2c7|0,r1c8r2c8|9,r3c0r3c1|0,r3c2r3c3|0,r3c7r3c8|0,r4c0r4c1|0,r4c2r5c2|6,r4c3r5c3|9,r3c4r4c4r5c4|17,r3c5r4c5|0,r3c6r4c6|9,r4c7r4c8|0,r5c0r5c1|7,r5c5r5c6|15,r5c7r5c8|0,r6c0r7c0|0,r6c1r6c2|0,r6c3r6c4r6c5|8,r6c6r6c7|9,r6c8r7c8|15,r7c1r7c2|7,r7c4r7c5|10,r7c6r7c7|28,r7c3r8c0r8c1r8c2r8c3r8c4|25,r8c5r8c6r8c7r8c8", "solution": "835691247217485396649273581361748952578129463924536178783914625196852734452367819", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2725, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2727, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-12-18", "puzzle": "11,r0c0r0c1|20,r0c2r0c3r0c4r0c5|18,r1c0r1c1r1c2r2c0|11,r0c6r0c7r1c5r1c6|15,r0c8r1c8|15,r2c1r2c2|7,r1c3r2c3|22,r1c4r2c4r3c4|11,r1c7r2c7|11,r2c5r3c5|12,r2c6r3c6|4,r2c8r3c8|16,r3c0r4c0|11,r4c1r5c1|16,r3c1r3c2r3c3r4c2|13,r4c3r4c4r4c5|25,r4c6r5c5r5c6r5c7|6,r3c7r4c7|10,r4c8r5c8|9,r5c0r6c0|10,r5c2r6c2|6,r5c3r6c3|14,r6c1r7c1|13,r5c4r6c4r7c4|13,r6c5r7c5|11,r6c6r6c7|3,r7c0r8c0|21,r7c2r7c3r8c1r8c2|20,r6c8r7c6r7c7r7c8|18,r8c3r8c4r8c5r8c6|13,r8c7r8c8", "solution": "471658239823491576569372841712869453935724618684513792356187924197246385248935167", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2727, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2728, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-12-18", "puzzle": "7,r0c0r0c1|9,r0c2r0c3|28,r0c4r0c5r0c6r0c7|12,r1c0r1c1r1c2|14,r1c5r1c6|12,r0c8r1c7r1c8r2c8|12,r2c1r2c2|8,r1c3r2c3|13,r1c4r2c4|22,r2c0r3c0r3c1r3c2|10,r2c5r3c5r3c6|20,r2c6r2c7r3c7r3c8|13,r4c0r4c1|24,r3c3r4c2r4c3r5c3|9,r4c7r4c8|20,r5c0r5c1r5c2r6c0|22,r3c4r4c4r4c5r4c6r5c4|14,r5c5r5c6r6c5|18,r5c7r5c8r6c6r6c7|8,r6c1r6c2|12,r6c3r7c3|11,r6c4r7c4|11,r7c0r7c1r7c2|9,r7c5r7c6|27,r6c8r7c7r7c8r8c8|17,r8c0r8c1|5,r8c2r8c3|18,r8c4r8c5r8c6r8c7", "solution": "256374891147689523839251746725946318493518672618732954562493187371825469984167235", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2728, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2731, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-12-19", "puzzle": 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"6,r0c3r0c4|14,r0c5r0c6r0c7|9,r0c0r1c0|11,r0c1r1c1|15,r0c2r1c2r1c3|17,r1c5r1c6r1c7|9,r0c8r1c8|9,r2c0r2c1|15,r1c4r2c4r2c5r2c6|14,r2c2r3c2|17,r2c3r3c3r3c4|12,r3c5r3c6|18,r2c7r2c8r3c8|18,r3c0r4c0r5c0|27,r3c1r4c1r4c2r4c3r4c4r5c1|8,r4c5r4c6|18,r3c7r4c7r4c8r5c7|14,r5c2r6c2|6,r5c3r5c4r6c3|17,r5c5r5c6|15,r5c8r6c7r6c8|8,r6c0r6c1|21,r6c4r6c5r6c6r7c4|10,r7c0r8c0|15,r7c1r8c1|12,r7c2r7c3r8c2|11,r7c5r7c6r7c7|11,r7c8r8c8|13,r8c3r8c4|15,r8c5r8c6r8c7", "solution": "893246175127598364546713289238467591964851732715329846359184627671932458482675913", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2737, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2739, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-12-21", "puzzle": 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"11,r0c3r0c4r0c5|10,r0c0r1c0r2c0r3c0|11,r0c1r1c1|17,r0c2r1c2|4,r1c3r1c4|20,r1c6r1c7r2c6r2c7|25,r0c6r0c7r0c8r1c8r2c8|8,r2c1r2c2|32,r1c5r2c5r3c5r3c6r3c7|16,r3c1r3c2|11,r2c3r3c3|15,r4c0r4c1r5c0|11,r4c2r4c3|26,r2c4r3c4r4c4r4c5r4c6|16,r4c7r5c7|12,r3c8r4c8r5c8|26,r5c1r5c2r5c3r6c2r6c3r7c3|16,r5c4r6c4|5,r5c5r5c6|8,r6c5r7c5|8,r6c6r7c6|6,r6c7r6c8|40,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|16,r7c4r8c3r8c4|14,r7c7r7c8|21,r8c5r8c6r8c7r8c8", "solution": "369452817258317964471689235197548623824736591536291478685973142943125786712864359", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2744, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2743, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-12-22", "puzzle": "15,r0c0r0c1r0c2|12,r0c6r0c7r0c8|13,r1c0r1c1|6,r0c3r1c3r2c3|22,r0c5r1c5r2c5|5,r1c7r1c8|11,r1c2r2c2|17,r0c4r1c4r2c4|12,r1c6r2c6|15,r2c0r2c1r3c0|11,r3c2r3c3|19,r3c4r4c4r5c4|8,r3c5r3c6|19,r2c7r2c8r3c8|11,r3c1r4c1|14,r4c2r4c3|6,r4c5r4c6|13,r3c7r4c7|6,r4c0r5c0r5c1|12,r5c2r5c3|9,r5c5r5c6|14,r4c8r5c7r5c8|11,r6c0r6c1r6c2|21,r6c6r6c7r6c8|16,r7c0r7c1r7c2|13,r6c3r7c3|9,r6c4r7c4r8c4|8,r6c5r7c5|17,r7c6r7c7r7c8|15,r8c0r8c1|11,r8c2r8c3|8,r8c5r8c6|6,r8c7r8c8", "solution": "834279516769145832512368497946521783378694251125783649281436975457912368693857124", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2743, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2742, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2010-12-21", "puzzle": "0,r0c2r0c3|13,r0c5r0c6|0,r0c0r1c0|3,r0c1r1c1|17,r0c4r1c3r1c4|10,r1c5r1c6|24,r0c7r0c8r1c7r1c8|0,r2c1r3c1|0,r1c2r2c2|15,r2c3r2c4|5,r2c6r3c6|0,r2c0r3c0|9,r3c2r3c3|21,r2c5r3c4r3c5|7,r2c7r2c8r3c7|0,r3c8r4c8|7,r4c1r4c2|0,r4c3r4c4r4c5|0,r4c6r4c7|0,r4c0r5c0|14,r5c1r6c0r6c1|0,r5c3r5c4r6c3|0,r5c5r5c6|10,r5c8r6c8|0,r5c2r6c2|11,r6c4r6c5|6,r6c6r7c6|0,r5c7r6c7|0,r7c0r7c1r8c0r8c1|0,r7c2r7c3|20,r7c4r7c5r8c4|0,r7c7r8c7|17,r7c8r8c8|8,r8c2r8c3|0,r8c5r8c6", "solution": "327165894814923756659874312573689241261347985948512673192438567435796128786251439", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2742, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2746, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2010-12-22", "puzzle": 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"5,r0c2r0c3|7,r0c5r0c6|0,r0c7r0c8|0,r0c0r1c0|33,r0c1r1c1r1c2r2c1r2c2r3c1r3c2|0,r0c4r1c4|0,r1c5r1c6|0,r1c7r1c8|0,r1c3r2c3r2c4|0,r2c5r2c6r2c7|5,r2c0r3c0|0,r3c6r3c7|0,r2c8r3c8|24,r4c0r4c1r4c2|12,r3c3r4c3|19,r3c4r3c5r4c4|0,r5c1r5c2r5c3r6c3r6c4|11,r4c5r5c4r5c5|0,r4c6r4c7r5c6|5,r4c8r5c8|19,r5c0r6c0r6c1r7c1|0,r6c5r6c6|0,r5c7r6c7|4,r6c2r7c2|10,r7c6r7c7|0,r6c8r7c8|13,r7c0r8c0|0,r8c1r8c2|0,r7c3r8c3|13,r7c4r7c5r8c4|7,r8c5r8c6|15,r8c7r8c8", "solution": "864172539197835642235496187312749856978561324546328791481957263723684915659213478", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2781, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2782, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-12-30", "puzzle": "10,r0c0r0c1|9,r0c2r0c3|5,r0c4r0c5|14,r0c6r0c7|9,r1c2r1c3r2c2|14,r1c6r1c7|14,r0c8r1c8r2c8|13,r1c0r2c0r3c0|11,r1c1r2c1|10,r1c4r2c4|19,r1c5r2c5r3c5|3,r2c6r2c7|11,r3c1r3c2|21,r2c3r3c3r4c3|10,r3c6r3c7|11,r4c0r5c0|9,r4c1r4c2|20,r3c4r4c4r5c4|12,r4c6r4c7|15,r3c8r4c8|13,r5c1r5c2|11,r4c5r5c5r6c5|7,r5c6r5c7|10,r6c1r6c2|12,r5c3r6c3r7c3|3,r6c4r7c4|15,r6c7r7c7|14,r5c8r6c8r7c8|15,r6c0r7c0r8c0|8,r7c1r7c2|16,r6c6r7c5r7c6|12,r8c1r8c2|15,r8c3r8c4|9,r8c5r8c6|5,r8c7r8c8", "solution": "648132957721549683593867214174953826236481579985276341819324765362715498457698132", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2782, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2783, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2010-12-30", "puzzle": "20,r0c0r0c1r0c2|9,r1c1r1c2|14,r0c3r1c3|27,r0c4r0c5r1c4r1c5r2c4r2c5|8,r0c6r1c6|28,r0c7r0c8r1c7r1c8r2c8|5,r1c0r2c0|15,r2c1r2c2r2c3|15,r2c6r2c7r3c5r3c6|14,r3c2r3c3r4c3|14,r3c0r4c0r5c0|20,r3c1r4c1r4c2r5c1|16,r3c4r4c4r5c4|17,r3c7r4c6r4c7r5c7|18,r3c8r4c8r5c8|24,r4c5r5c5r5c6|13,r5c2r5c3r6c1r6c2|16,r6c5r6c6r6c7|12,r6c8r7c8|22,r6c0r7c0r7c1r8c0r8c1|16,r7c2r8c2|28,r6c3r6c4r7c3r7c4r8c3r8c4|9,r7c5r8c5|11,r7c6r7c7|14,r8c6r8c7r8c8", "solution": "758632194463891752192475368976384215381527946245169837534718629819256473627943581", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2783, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2786, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2010-12-31", "puzzle": "17,r0c1r0c2|9,r0c0r1c0|16,r0c3r1c3r2c3|9,r0c4r0c5r1c4|8,r0c6r1c6|15,r0c7r0c8r1c7|8,r1c1r2c1|9,r1c2r2c2|20,r1c5r2c4r2c5|20,r2c6r2c7r3c7|5,r1c8r2c8|3,r2c0r3c0|16,r3c3r3c4r3c5|18,r3c1r3c2r4c1|12,r4c2r4c3r4c4|10,r3c6r4c6|15,r3c8r4c7r4c8|17,r4c0r5c0r6c0|10,r5c1r5c2|11,r5c3r5c4r6c3|16,r4c5r5c5|10,r5c6r5c7|8,r6c1r6c2|15,r5c8r6c8|16,r7c0r8c0|13,r7c2r7c3|6,r6c5r7c5r8c5|7,r6c6r7c6|16,r6c7r7c7r7c8|8,r7c1r8c1|9,r8c2r8c3|19,r6c4r7c4r8c4|14,r8c6r8c7r8c8", "solution": "389124756675938142214675983197286435823457691546319827462793518738541269951862374", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2786, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2787, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2010-12-31", "puzzle": "3,r0c4r0c5|12,r0c7r0c8|16,r0c0r1c0|8,r0c1r1c1|17,r0c2r0c3r1c2|12,r1c4r1c5|9,r0c6r1c6|10,r1c7r1c8|17,r2c1r2c2r3c2r3c3|9,r1c3r2c3|19,r2c4r2c5r2c6|17,r2c0r3c0r3c1r4c0|10,r3c4r3c5r3c6|9,r2c7r3c7|13,r2c8r3c8|6,r4c1r4c2|20,r4c3r4c4r4c5|11,r4c6r4c7|14,r5c0r6c0|6,r5c1r6c1|13,r5c2r5c3r5c4|20,r4c8r5c7r5c8r6c8|16,r6c2r6c3r6c4|11,r6c5r7c5|24,r5c5r5c6r6c6r6c7|13,r7c0r7c1|7,r7c2r8c2|12,r7c3r7c4|23,r7c6r8c5r8c6|6,r7c7r8c7|6,r7c8r8c8|9,r8c0r8c1|7,r8c3r8c4", "solution": "765412839928375146431689275396751428142893567857246391619524783584937612273168954", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2787, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2784, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-12-30", "puzzle": "16,r0c0r0c1r0c2r0c3r0c4|27,r0c5r0c6r1c6r2c6|12,r0c7r0c8|19,r1c3r1c4r1c5r2c5|6,r1c7r1c8r2c7|38,r1c0r1c1r1c2r2c0r2c1r2c2|9,r2c3r2c4|14,r3c5r3c6r3c7|14,r2c8r3c8|31,r3c0r3c1r4c0r4c1r5c0r5c1r6c1|15,r3c2r4c2|8,r3c3r3c4r4c3|12,r4c6r4c7r5c6|14,r5c2r5c3|12,r4c4r5c4|13,r4c5r5c5|8,r4c8r5c8|5,r6c5r6c6|15,r5c7r6c7|14,r6c0r7c0|13,r6c2r6c3r7c2r8c2|18,r7c3r8c3r8c4|25,r6c4r7c4r7c5r7c6|12,r6c8r7c7r7c8|16,r7c1r8c0r8c1|8,r8c5r8c6|11,r8c7r8c8", "solution": "142368957785941632369725418937154286518296743426837195874512369653479821291683574", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2784, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2788, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2010-12-31", "puzzle": "19,r0c1r0c2r1c2|8,r0c4r0c5|9,r0c0r1c0r1c1|13,r0c3r1c3|13,r0c6r1c5r1c6|31,r0c7r0c8r1c7r1c8r2c8|8,r2c0r2c1|18,r1c4r2c4r2c5r2c6|12,r3c0r3c1|15,r2c2r3c2|8,r2c3r3c3|6,r3c4r3c5|11,r2c7r3c6r3c7|12,r4c0r5c0|35,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|10,r3c8r4c8|10,r5c1r5c2r6c1|12,r5c3r5c4|15,r5c5r6c5|7,r5c6r6c6|7,r5c7r5c8|25,r6c2r6c3r6c4r7c4|12,r6c7r6c8|31,r6c0r7c0r7c1r8c0r8c1|10,r7c2r7c3r8c2|6,r7c5r8c5|16,r7c7r7c8r8c8|10,r8c3r8c4|16,r7c6r8c6r8c7", "solution": "148935267267418395539627814486251739952763481371849652723596148694182573815374926", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2788, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2789, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2010-12-31", "puzzle": "7,r0c2r0c3|15,r0c4r0c5r1c5r2c5|0,r0c6r0c7|29,r0c0r0c1r1c0r2c0|14,r1c1r1c2r2c1r3c1|16,r1c6r1c7|0,r0c8r1c8|0,r2c2r3c2r3c3|10,r1c3r2c3|14,r1c4r2c4|0,r2c6r2c7r2c8r3c7|0,r3c0r4c0r5c0|0,r4c1r4c2r4c3|11,r4c4r4c5|10,r3c8r4c7r4c8r5c8|38,r3c4r3c5r3c6r4c6r5c4r5c5r5c6|0,r5c7r6c6r6c7r6c8|0,r5c2r5c3r6c2|10,r6c3r7c3|14,r6c4r7c4|0,r6c0r7c0r8c0r8c1|0,r5c1r6c1r7c1r7c2|0,r7c6r7c7|0,r7c8r8c8|11,r8c2r8c3|0,r6c5r7c5r8c4r8c5|7,r8c6r8c7", "solution": "971643258834251976526897134453719862692538741187426593769184325315962487248375619", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2789, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2790, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2010-12-31", "puzzle": "6,r0c0r0c1|0,r0c2r0c3|0,r0c4r0c5|13,r0c6r0c7|0,r1c2r1c3|0,r1c4r1c5|4,r1c6r1c7|8,r0c8r1c8|22,r1c0r2c0r3c0|17,r1c1r2c1r2c2|0,r2c3r2c4r2c5|0,r2c7r2c8|5,r3c1r3c2|27,r3c3r3c4r4c4r5c4r5c5|6,r2c6r3c6|26,r4c0r4c1r4c2r5c0r5c1|0,r4c3r5c3|5,r3c5r4c5|31,r3c7r3c8r4c6r4c7r4c8|0,r5c2r6c2|11,r5c6r5c7|0,r6c0r6c1|0,r6c3r6c4r6c5|0,r6c6r6c7r7c7|0,r5c8r6c8r7c8|0,r7c0r8c0|0,r7c1r7c2|0,r7c3r7c4|0,r7c5r7c6|9,r8c1r8c2|0,r8c3r8c4|0,r8c5r8c6|0,r8c7r8c8", "solution": "421937856967458132583126479814763295359812764276594381138645927692371548745289613", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2790, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2791, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-01", "puzzle": "11,r0c0r0c1|15,r0c3r0c4r0c5|8,r0c7r0c8|10,r0c2r1c2|17,r1c3r1c4r1c5|12,r0c6r1c6|5,r1c0r2c0|10,r1c1r2c1|11,r1c7r2c7|12,r1c8r2c8|10,r2c2r3c2|14,r2c3r3c3r4c3|3,r2c4r3c4|13,r2c5r3c5r4c5|8,r2c6r3c6|17,r3c0r4c0|10,r3c1r4c1|10,r3c7r4c7|9,r3c8r4c8|10,r4c2r5c2|15,r4c4r5c4|16,r4c6r5c6|11,r5c0r6c0r7c0|18,r5c1r6c1r7c1|5,r5c3r6c3|17,r5c5r6c5|19,r5c7r6c7r7c7|11,r5c8r6c8r7c8|7,r6c2r7c2|12,r6c4r7c4r8c4|4,r6c6r7c6|16,r8c0r8c1r8c2|16,r7c3r8c3|8,r7c5r8c5|15,r8c6r8c7r8c8", "solution": "563294817127863459489517263971325684834671925256489731695148372342756198718932546", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2791, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2792, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-01-01", "puzzle": "18,r0c2r0c3r0c4|5,r0c5r0c6|18,r0c0r0c1r1c0|17,r1c5r1c6|13,r0c7r0c8r1c7|19,r1c1r1c2r1c3r2c1r3c1|3,r1c4r2c4|17,r2c5r2c6r3c6|17,r1c8r2c8r3c8|15,r2c0r3c0r4c0|20,r2c2r2c3r3c2|8,r2c7r3c7|13,r4c1r4c2|31,r3c3r3c4r3c5r4c3r4c4r5c3|11,r4c5r4c6|4,r4c7r4c8|14,r5c5r5c6r6c5|11,r5c7r5c8|17,r5c0r6c0|12,r5c1r6c1|12,r5c2r6c2r6c3|7,r5c4r6c4|6,r7c0r7c1r8c0|12,r7c2r7c3|24,r6c6r6c7r6c8r7c6r7c7r8c6|16,r8c1r8c2r8c3|13,r7c4r8c4|11,r7c5r8c5|21,r7c8r8c7r8c8", "solution": "497653281532718946618924537263197854749285613851436792976541328324879165185362479", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2792, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2793, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-01", "puzzle": 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"15,r0c5r0c6r1c6|14,r0c0r0c1r1c0|5,r0c2r1c2|18,r0c3r0c4r1c3|13,r1c4r1c5r2c4|17,r0c7r0c8r1c7|20,r1c1r2c0r2c1|13,r1c8r2c7r2c8|12,r3c0r3c1r4c0|16,r2c2r3c2r4c2|4,r2c3r3c3|14,r2c5r3c4r3c5|15,r2c6r3c6|15,r4c1r5c0r5c1|21,r4c3r4c4r4c5|14,r3c7r3c8r4c7|13,r5c2r6c2|13,r5c3r5c4r6c3|7,r5c5r6c5|16,r4c6r5c6r6c6|12,r4c8r5c7r5c8|17,r6c0r6c1r7c0|11,r6c7r6c8r7c7|12,r7c1r8c0r8c1|18,r6c4r7c3r7c4|12,r7c5r8c4r8c5|8,r7c6r8c6|23,r7c8r8c7r8c8|17,r7c2r8c2r8c3", "solution": "271569483594738261836124975157382649643957812928416537765891324489273156312645798", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2796, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2794, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-01-01", "puzzle": 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"14,r0c0r0c1|6,r0c3r0c4|10,r0c5r0c6|21,r1c0r1c1r2c0r2c1r2c2|10,r0c2r1c2|17,r0c7r1c7|3,r0c8r1c8|17,r1c3r2c3|9,r1c4r2c4|6,r1c5r2c5|9,r1c6r2c6|13,r2c7r2c8|9,r3c0r4c0r5c0|18,r3c2r3c3r3c4|9,r3c5r3c6|9,r3c7r3c8|20,r3c1r4c1r4c2|12,r4c3r4c4|10,r4c5r4c6|26,r4c7r4c8r5c7r5c8r6c8|15,r5c4r5c5r5c6|20,r5c1r5c2r6c1r6c2|15,r5c3r6c3r6c4|14,r6c5r6c6r6c7|7,r6c0r7c0|7,r7c4r7c5|25,r7c6r7c7r7c8r8c7r8c8|17,r7c1r7c2r8c0r8c1|37,r7c3r8c2r8c3r8c4r8c5r8c6", "solution": "956247381734861592812935467189723654675489123243516879367198245491652738528374916", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2797, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2798, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-02", "puzzle": 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"6,r0c2r0c3|16,r0c7r0c8|12,r0c0r0c1r1c0r1c1|0,r1c2r1c3r2c3r3c3|0,r0c4r0c5r0c6r1c4r1c6|16,r2c0r2c1|0,r1c5r2c5r2c6|0,r1c7r2c7|6,r1c8r2c8|12,r2c2r3c2|11,r3c5r3c6|0,r4c2r4c3|0,r2c4r3c4r4c4r5c4r6c4|0,r4c5r4c6|0,r3c7r4c7r5c7|10,r3c8r4c8r5c8|0,r3c0r4c0r5c0|0,r3c1r4c1r5c1|4,r5c2r6c2|0,r5c5r5c6|13,r6c0r6c1|12,r6c5r6c6r7c5|0,r6c7r7c7|17,r6c8r7c8|18,r7c0r7c1r8c0r8c1|0,r5c3r6c3r7c2r7c3|0,r7c4r7c6r8c4r8c5r8c6|17,r8c2r8c3|6,r8c7r8c8", "solution": "364218597218597364795346182437182956926435871851769423583621749172954638649873215", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2799, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2801, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-03", "puzzle": "17,r0c3r0c4|5,r0c5r0c6|11,r0c7r0c8|14,r0c0r1c0|9,r0c1r0c2r1c1|12,r1c2r1c3|11,r1c7r1c8|7,r2c0r2c1|13,r2c2r2c3r3c2|13,r1c4r2c4|4,r1c5r2c5|9,r1c6r2c6|11,r2c7r2c8|9,r3c3r4c3r4c4|22,r3c4r3c5r4c5|12,r3c6r3c7r3c8|18,r3c0r4c0r5c0|12,r3c1r4c1|11,r4c2r5c2|16,r4c6r4c7r5c7|8,r5c3r5c4|15,r5c5r5c6|10,r4c8r5c8r6c8|12,r5c1r6c0r6c1|10,r6c2r6c3|16,r6c4r6c5|12,r7c3r7c4r8c3|11,r6c6r7c6|18,r6c7r7c7r7c8|9,r7c0r8c0|15,r7c1r8c1|8,r7c2r8c2|11,r7c5r8c4r8c5|14,r8c6r8c7r8c8", "solution": "516982347928473156347561829871359264659248713432716985184697532295134678763825491", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2801, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2802, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-01-03", "puzzle": "14,r0c0r0c1r1c0|14,r0c2r0c3r0c4|9,r0c6r0c7|10,r1c3r1c4|19,r0c5r1c5r1c6|9,r0c8r1c8|11,r1c1r2c0r2c1|13,r1c2r2c2|18,r2c3r2c4r2c5|15,r1c7r2c7r3c7|9,r3c0r4c0|20,r3c1r3c2r4c1r4c2|10,r3c3r3c4|17,r2c6r3c5r3c6|9,r2c8r3c8|9,r4c3r4c4r4c5|11,r5c0r6c0|6,r5c2r5c3r6c2|16,r5c4r5c5|27,r4c6r4c7r5c6r5c7|3,r4c8r5c8|16,r5c1r6c1r7c1|19,r6c3r6c4r6c5|7,r6c6r7c6|12,r6c7r6c8r7c7|17,r7c0r8c0|11,r7c2r7c3r8c3|14,r7c4r7c5|11,r8c1r8c2|8,r8c4r8c5r8c6|21,r7c8r8c7r8c8", "solution": "497526183128734956365981274219468735746153892583279641651847329832695417974312568", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2802, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2803, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-01-03", "puzzle": "22,r0c2r0c3r1c2|11,r0c6r0c7|16,r0c0r0c1r1c0r1c1|17,r0c4r1c3r1c4|7,r0c5r1c5|7,r1c6r2c6|6,r1c7r2c7|10,r2c0r2c1r3c0|31,r2c2r2c3r2c4r2c5r3c2r4c2r5c2|31,r3c3r3c4r3c5r4c3r5c3|7,r3c6r3c7|27,r0c8r1c8r2c8r3c8|18,r3c1r4c0r4c1|14,r4c4r4c5r5c4r5c5|32,r4c6r4c7r4c8r5c6r5c7r5c8|14,r5c0r5c1|5,r6c1r6c2|27,r6c6r6c7r6c8r7c6r7c7r8c6|9,r6c0r7c0|7,r7c1r7c2|12,r6c3r7c3|25,r8c0r8c1r8c2r8c3|32,r6c4r6c5r7c4r7c5r8c4r8c5|18,r7c8r8c7r8c8", "solution": "219564387768293145453781629172958436834617592596342871641829753325476918987135264", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2803, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2804, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-01-03", "puzzle": "6,r0c0r0c1|0,r0c3r0c4|17,r1c0r1c1r2c0|0,r0c2r1c2r2c2|0,r1c3r1c4|9,r0c5r1c5|7,r0c6r1c6|14,r0c7r1c7|13,r0c8r1c8|0,r2c3r2c4|11,r2c6r2c7r2c8|0,r2c1r3c0r3c1|14,r2c5r3c5r3c6|0,r3c7r3c8|0,r4c0r4c1|0,r3c2r4c2|0,r4c6r5c6|5,r4c7r4c8|5,r5c0r5c1|16,r5c2r5c3r6c3|35,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|0,r5c7r5c8r6c7|8,r6c0r6c1r6c2|11,r6c4r6c5|0,r7c0r8c0|0,r7c1r8c1|11,r7c2r8c2|0,r7c3r8c3|0,r7c4r7c5|0,r6c6r7c6r8c6|0,r6c8r7c7r7c8|13,r8c4r8c5|4,r8c7r8c8", "solution": "513697284784132569296584137328461975967825341145973826431256798679318452852749613", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2804, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2806, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-01-04", "puzzle": "17,r0c0r0c1r1c0|8,r0c2r0c3|32,r0c4r0c5r0c6r0c7r1c7|15,r1c1r1c2|4,r0c8r1c8|18,r2c0r2c1r3c0|4,r1c3r2c3|10,r1c4r2c4|22,r1c5r2c5r3c5r3c6r3c7|19,r1c6r2c6r2c7r2c8|7,r3c1r4c1|6,r4c0r5c0|14,r2c2r3c2r4c2|8,r3c3r4c3|21,r3c4r4c4r5c4|11,r4c5r5c5|12,r4c6r5c6r6c6|15,r3c8r4c8|5,r4c7r5c7|24,r6c0r6c1r6c2r7c2|30,r5c1r5c2r5c3r6c3r7c3|7,r6c4r7c4|9,r6c5r7c5|16,r5c8r6c7r6c8|8,r7c0r8c0|11,r7c6r7c7|24,r7c1r8c1r8c2r8c3r8c4|11,r8c5r8c6|17,r7c8r8c7r8c8", "solution": "723546891869127453451389762947651238136298547582473619398764125274915386615832974", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2806, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2805, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-04", "puzzle": "11,r0c0r0c1r0c2|10,r0c3r0c4r0c5|17,r1c0r1c1|3,r1c2r1c3|20,r0c6r0c7r1c6|16,r0c8r1c7r1c8|19,r1c4r2c3r2c4|21,r1c5r2c5r2c6|3,r2c7r2c8|16,r2c0r3c0|12,r2c1r3c1|8,r2c2r3c2r4c2|11,r3c6r3c7r4c7|7,r4c0r5c0|19,r3c3r4c3r5c3|17,r3c4r4c4r5c4|9,r3c5r4c5r5c5|9,r3c8r4c8|17,r4c1r5c1r5c2|14,r4c6r5c6r6c6|17,r5c7r6c7|8,r5c8r6c8|10,r6c0r6c1|17,r6c2r6c3r7c3|18,r6c4r6c5r7c4|6,r7c0r7c1r8c0|20,r7c2r8c1r8c2|11,r7c5r7c6|12,r7c7r7c8|15,r8c3r8c4r8c5|12,r8c6r8c7r8c8", "solution": "416325978892167453753948612971856324234791865568432197649273581125684739387519246", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2805, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2807, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-04", "puzzle": 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"7,r0c0r0c1|7,r0c3r0c4|7,r1c0r1c1|16,r0c2r1c2|14,r1c3r1c4|12,r0c5r1c5|21,r0c6r0c7r1c6|5,r0c8r1c8|11,r2c0r2c1|14,r2c2r2c3r2c4|11,r2c5r2c6r3c5|13,r1c7r2c7r2c8|17,r3c0r4c0r5c0|14,r3c2r3c3r3c4|7,r3c6r4c6|16,r3c1r4c1r5c1|22,r4c3r4c4r4c5|15,r3c7r4c7r5c7|11,r4c2r5c2|10,r5c4r5c5r5c6|16,r3c8r4c8r5c8|14,r6c0r6c1r7c1|9,r5c3r6c2r6c3|22,r6c4r6c5r6c6|10,r6c7r6c8|13,r7c0r8c0|15,r7c2r8c1r8c2|8,r7c3r8c3|7,r7c4r7c5|4,r7c6r8c6|7,r7c7r7c8|15,r8c4r8c5|15,r8c7r8c8", "solution": "617345892529867413384912657241673589736589241895421736173258964968734125452196378", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2815, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2816, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-01-06", "puzzle": 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"19,r0c0r0c1r0c2r1c2|10,r0c3r0c4|22,r1c0r1c1r2c0r2c1|13,r1c3r1c4|24,r0c5r0c6r1c5r1c6r2c5|10,r0c7r1c7|3,r0c8r1c8|14,r2c2r2c3r2c4|15,r2c7r2c8|7,r2c6r3c6|9,r3c7r3c8|38,r3c0r3c1r3c2r3c3r3c4r4c0r4c1|19,r4c2r4c3r4c4|6,r3c5r4c5r4c6|16,r4c7r4c8|31,r5c1r6c1r6c2r6c3r7c3r8c3|6,r5c2r5c3|15,r5c6r5c7r6c7|6,r5c0r6c0|12,r5c4r5c5r6c4|21,r6c5r6c6r7c6|9,r5c8r6c8|15,r7c1r7c2|25,r7c4r7c5r8c4r8c5|25,r7c7r7c8r8c6r8c7r8c8|8,r7c0r8c0|7,r8c1r8c2", "solution": "369285471751946832824731569916873254438562197572419386195628743287394615643157928", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2817, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2819, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-01-06", "puzzle": "0,r0c2r0c3|11,r0c5r0c6|23,r0c0r1c0r2c0r3c0|6,r0c1r1c1r1c2|13,r0c4r1c4r2c4|0,r0c7r1c6r1c7|0,r0c8r1c8r2c8r3c8|11,r1c3r2c3|8,r1c5r2c5|0,r2c1r3c1|0,r2c2r3c2|0,r2c6r3c6|4,r2c7r3c7|4,r4c1r4c2|39,r3c3r3c4r3c5r4c3r4c4r4c5r5c4|0,r4c6r4c7|12,r4c0r5c0|17,r5c1r5c2|10,r5c6r5c7|11,r4c8r5c8|0,r6c0r6c1|0,r5c3r6c2r6c3|15,r5c5r6c5r6c6|0,r6c7r6c8|0,r7c0r7c1|0,r6c4r7c3r7c4r7c5r8c3r8c4r8c5|0,r7c7r7c8|0,r8c0r8c1|12,r7c2r8c2|0,r7c6r8c6|0,r8c7r8c8", "solution": "835914726421376985967852134246783519513469278789521463352148697694237851178695342", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2819, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2820, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-07", "puzzle": 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"21,r0c0r0c1r0c2|0,r0c3r0c4|0,r0c5r0c6|7,r0c7r0c8|4,r1c1r1c2|0,r1c5r1c6r1c7r1c8|14,r1c0r2c0|0,r1c3r2c3|11,r1c4r2c4r2c5|6,r2c6r2c7|11,r2c1r3c1r4c1|20,r2c2r3c2r3c3r3c4|0,r3c5r3c6r3c7|11,r2c8r3c8|10,r3c0r4c0|31,r4c2r4c3r4c4r4c5r4c6|0,r4c8r5c8|6,r5c0r6c0|0,r5c1r5c2r5c3|0,r5c4r5c5r5c6r6c6|0,r4c7r5c7r6c7|0,r6c1r6c2|0,r6c3r6c4r7c4|0,r6c5r7c5|0,r6c8r7c8|0,r7c0r7c1r7c2r7c3|16,r7c6r7c7|0,r8c0r8c1|8,r8c2r8c3|15,r8c4r8c5|9,r8c6r8c7r8c8", "solution": "678951243531427698924836157715298364389645721462713589296374815143582976857169432", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2823, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2824, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-01-07", "puzzle": "17,r0c0r0c1|7,r0c2r0c3|0,r0c4r0c5r0c6r0c7r0c8|18,r1c1r1c2r2c1r2c2r3c1|15,r1c3r1c4|0,r1c5r1c6|8,r1c0r2c0|0,r2c3r2c4|0,r1c7r2c7|11,r1c8r2c8|0,r3c3r3c4|10,r2c5r2c6r3c5r3c6|13,r3c7r3c8r4c8|0,r3c0r4c0|28,r3c2r4c1r4c2r4c3r4c4|23,r4c6r4c7r5c6|0,r5c0r5c1r6c1r7c1|0,r5c2r5c3|0,r4c5r5c5|7,r5c7r5c8|0,r6c2r7c2|0,r5c4r6c4|11,r6c6r6c7|0,r6c0r7c0r8c0r8c1|0,r6c3r7c3|0,r6c5r7c4r7c5r7c6|26,r6c8r7c7r7c8r8c8|14,r8c2r8c3r8c4|0,r8c5r8c6r8c7", "solution": "983456712126783945754291386619834257348527691572169834865312479237945168491678523", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2824, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2825, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-08", "puzzle": 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"5,r0c0r0c1|5,r0c2r0c3|14,r0c5r0c6|12,r0c7r0c8|9,r1c2r1c3|16,r0c4r1c4|7,r1c5r1c6|9,r1c0r2c0|15,r1c1r2c1|16,r2c3r2c4r2c5r3c4|12,r1c7r2c7|8,r1c8r2c8|22,r2c2r3c2r3c3|7,r2c6r3c5r3c6|9,r3c0r4c0|12,r3c1r4c1r4c2|16,r3c7r4c6r4c7|12,r3c8r4c8|13,r5c0r5c1|8,r5c2r5c3|21,r4c3r4c4r4c5r5c4|13,r5c5r5c6|9,r5c7r5c8|10,r6c1r6c2|11,r6c6r6c7|24,r6c0r7c0r7c1r7c2r8c2|7,r6c3r7c3|10,r6c4r7c4|17,r6c5r7c5|24,r6c8r7c6r7c7r7c8r8c6|11,r8c0r8c1|11,r8c3r8c4r8c5|10,r8c7r8c8", "solution": "231496875568173492497852136876914253123685749945327681319248567782569314654731928", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2826, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2827, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-08", "puzzle": "23,r0c0r0c1r1c0r1c1|3,r0c2r0c3|11,r0c5r0c6|15,r0c7r0c8r1c7r1c8|19,r1c2r1c3r2c2|14,r0c4r1c4|18,r1c5r1c6r2c6|16,r2c0r2c1r3c1|9,r2c7r2c8r3c7|13,r2c3r3c3|7,r2c4r3c4|10,r2c5r3c5|19,r3c0r4c0r5c0|23,r3c2r4c1r4c2r4c3|18,r3c6r4c5r4c6r4c7|17,r3c8r4c8r5c8|3,r5c1r5c2|16,r4c4r5c3r5c4r5c5|16,r5c6r5c7|37,r6c1r6c2r6c3r6c4r6c5r6c6r6c7|3,r6c0r7c0|15,r7c1r7c2r8c2|30,r7c3r7c4r7c5r8c3r8c4r8c5|11,r7c6r7c7r8c6|15,r6c8r7c8|14,r8c0r8c1|10,r8c7r8c8", "solution": "591263847726984531384751962457629318938517624612438795249375186173846259865192473", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2827, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2829, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-01-08", "puzzle": "23,r0c0r0c1r0c2r0c3|12,r0c6r0c7r1c7|4,r1c0r1c1|0,r1c2r1c3|0,r0c4r1c4|0,r0c5r1c5r2c5|0,r0c8r1c8|3,r2c2r2c3|16,r1c6r2c6|0,r2c7r2c8|23,r2c0r2c1r3c0|12,r3c1r3c2r3c3|0,r2c4r3c4r3c5|9,r3c6r3c7|14,r3c8r4c8|17,r4c0r4c1r4c2r4c3r5c1|0,r4c4r4c5r4c6r5c5|0,r4c7r5c6r5c7|16,r5c0r6c0r7c0|0,r5c2r5c3r5c4r6c2|0,r6c3r6c4r6c5|0,r6c6r6c7r7c7|0,r5c8r6c8|14,r6c1r7c1|0,r7c3r7c4|6,r7c5r7c6|10,r8c0r8c1|0,r7c2r8c2|12,r8c3r8c4r8c5|10,r8c6r8c7|0,r7c8r8c8", "solution": "479385621135962748862147953946273815523618479718459362351796284694821537287534196", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2829, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2830, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-09", "puzzle": "15,r0c0r0c1|12,r0c2r0c3|12,r0c4r0c5|12,r1c0r1c1r2c1|12,r1c3r1c4|9,r0c6r1c5r1c6|11,r0c7r1c7r2c7|19,r0c8r1c8r2c8|10,r1c2r2c2r3c2|8,r2c3r2c4|15,r2c5r2c6|5,r2c0r3c0|15,r3c5r3c6r4c6|7,r4c0r5c0|24,r3c1r4c1r5c1|9,r3c3r4c3|11,r3c4r4c4r5c4|13,r4c5r5c5|18,r3c7r4c7r5c7|9,r3c8r4c8|14,r4c2r5c2r5c3|8,r5c8r6c8|17,r6c2r6c3|10,r6c4r6c5|18,r5c6r6c6r7c6|17,r6c0r7c0r8c0|10,r6c1r7c1r8c1|10,r7c2r7c3r8c2|7,r7c4r7c5|14,r6c7r7c7r7c8|16,r8c3r8c4|7,r8c5r8c6|11,r8c7r8c8", "solution": "968475312724931568135268749491327685583619274276584931359846127647152893812793456", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2830, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2831, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-01-09", "puzzle": "5,r0c2r0c3|10,r0c4r0c5|19,r0c0r1c0r2c0|6,r0c1r1c1|24,r0c6r1c5r1c6r2c5|16,r0c7r1c7|10,r0c8r1c8|19,r1c2r1c3r2c2r3c2|18,r1c4r2c4r3c4r3c5|5,r2c6r2c7|11,r2c3r3c3|3,r3c6r3c7|25,r2c8r3c8r4c8r5c8r6c8|15,r3c0r4c0r5c0|9,r4c3r4c4r4c5|12,r4c6r4c7|35,r2c1r3c1r4c1r4c2r5c1r6c1|12,r5c3r6c3|11,r5c6r5c7|22,r5c2r6c2r7c2r7c3|23,r5c4r5c5r6c4r7c4|12,r6c6r6c7|11,r6c0r7c0r8c0|13,r7c1r8c1|28,r6c5r7c5r7c6r8c6|5,r7c7r8c7|10,r7c8r8c8|6,r8c2r8c3|10,r8c4r8c5", "solution": "452319678617548392983267145864953217579621483231874569328496751196735824745182936", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2831, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2832, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-09", "puzzle": "9,r0c2r0c3r0c4|12,r0c5r0c6|30,r0c0r1c0r2c0r3c0r4c0|29,r0c1r1c1r2c1r3c1r3c2|19,r1c2r1c3r1c4|9,r1c5r1c6|32,r0c7r1c7r2c7r2c8r3c8|4,r0c8r1c8|9,r2c2r2c3|16,r2c5r2c6r3c5|3,r3c6r3c7|3,r4c1r4c2|7,r4c6r4c7|10,r5c1r5c2|45,r2c4r3c3r3c4r4c3r4c4r4c5r5c4r5c5r6c4|17,r5c3r6c2r6c3|12,r6c5r6c6|5,r7c0r8c0|26,r5c0r6c0r6c1r7c1r8c1|10,r7c2r7c3|16,r7c4r7c5r7c6|29,r5c6r5c7r6c7r7c7r8c7|26,r4c8r5c8r6c8r7c8r8c8|10,r8c2r8c3|17,r8c4r8c5r8c6", "solution": "684327591712895463593641728465938217821576349937412685146783952358269174279154836", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2832, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2834, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-01-09", "puzzle": "0,r0c0r0c1r0c2r1c2r2c2|0,r0c3r0c4r0c5|17,r1c0r1c1|14,r1c3r1c4r2c3r2c4|0,r0c6r1c6|15,r0c7r0c8r1c7r2c7|19,r1c5r2c5r2c6|0,r1c8r2c8|6,r2c0r3c0|21,r2c1r3c1r4c1|11,r3c3r3c4|23,r3c6r3c7r4c6r5c6|0,r4c0r5c0|31,r3c5r4c3r4c4r4c5r5c3|0,r3c8r4c8|16,r3c2r4c2r5c1r5c2|3,r5c4r5c5|0,r4c7r5c7r6c7|9,r5c8r6c8|0,r6c0r7c0|0,r6c2r6c3r7c3|0,r6c1r7c1r8c0r8c1|0,r7c2r8c2|22,r6c4r6c5r7c4r7c5|0,r7c7r7c8|0,r8c3r8c4r8c5|18,r6c6r7c6r8c6r8c7r8c8", "solution": "254871963893546712176239458561384279382957641749612835625793184437128596918465327", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2834, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2835, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-10", "puzzle": "15,r0c0r0c1r0c2|8,r0c4r0c5|15,r0c6r0c7r0c8|15,r1c0r1c1|22,r0c3r1c2r1c3|16,r2c0r2c1r3c1|11,r2c3r3c3|9,r1c4r2c4|6,r1c5r2c5|12,r1c6r2c6|7,r1c7r2c7|11,r1c8r2c8|10,r2c2r3c2|13,r3c4r3c5|7,r3c7r3c8|7,r3c0r4c0|14,r4c1r4c2r5c2|15,r4c3r4c4r4c5|10,r3c6r4c6r4c7|17,r4c8r5c8|7,r5c0r5c1|11,r5c3r5c4|9,r5c6r6c6|16,r6c0r7c0|10,r6c1r7c1|10,r6c2r7c2|9,r6c3r7c3|10,r6c4r7c4|6,r5c5r6c5|17,r5c7r6c7r6c8|16,r7c5r7c6r8c5|8,r7c7r7c8|9,r8c0r8c1r8c2|6,r8c3r8c4|21,r8c6r8c7r8c8", "solution": "294753681876912354351684927189567243625348719437291568768135492942876135513429876", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2835, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2836, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-01-10", "puzzle": "6,r0c1r0c2|34,r0c6r0c7r0c8r1c7r1c8r2c8|14,r0c0r1c0|9,r1c1r1c2|23,r0c3r1c3r2c3|15,r0c4r1c4r2c4|3,r0c5r1c5|16,r2c0r2c1r2c2|11,r1c6r2c6r2c7|9,r3c0r3c1|10,r3c2r3c3|24,r2c5r3c4r3c5r3c6r4c5|9,r3c7r3c8|23,r4c3r4c4r5c3r5c4|13,r4c6r4c7r4c8|3,r4c0r5c0|10,r4c1r5c1|12,r5c5r6c5|16,r5c6r5c7r5c8|27,r4c2r5c2r6c2r6c3r6c4|9,r6c7r7c7|13,r6c8r7c8|22,r6c0r6c1r7c1r7c2r8c2|10,r7c3r7c4|14,r7c5r8c5|10,r6c6r7c6r8c6|22,r7c0r8c0r8c1|5,r8c3r8c4|13,r8c7r8c8", "solution": "542671938963852417817934256458219763279563841136487592381745629625198374794326185", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2836, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2837, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-10", "puzzle": "22,r0c2r0c3r1c3|14,r0c5r0c6r1c5|7,r0c7r0c8|18,r0c0r0c1r1c0r2c0|5,r0c4r1c4|11,r1c7r1c8|15,r1c1r2c1r3c1|20,r1c2r2c2r3c2r4c2|13,r2c5r3c5r3c6|13,r1c6r2c6|11,r2c7r2c8r3c8|15,r2c3r2c4r3c4|17,r3c7r4c7|11,r3c0r4c0|25,r3c3r4c3r4c4r4c5r5c5|12,r4c8r5c8|16,r4c1r5c1|19,r5c4r6c4r6c5|18,r5c0r6c0r6c1|11,r6c2r7c2|9,r5c2r5c3r6c3|20,r4c6r5c6r6c6r7c6|8,r5c7r6c7r7c7|3,r7c0r7c1|16,r7c4r8c4|24,r6c8r7c8r8c7r8c8|9,r8c0r8c1|16,r7c3r8c2r8c3|7,r7c5r8c5r8c6", "solution": "725843961836912574149765832583427196672139485491658327954286713217394658368571249", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2837, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2838, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-01-10", "puzzle": "0,r0c0r0c1r0c2r0c3|0,r0c5r0c6|0,r0c7r0c8r1c7r1c8|7,r0c4r1c4|14,r1c0r1c1r2c0|0,r1c2r2c1r2c2r3c1|0,r1c3r2c3r3c3r4c3|0,r2c4r2c5|0,r1c5r1c6r2c6|27,r2c7r2c8r3c7r3c8r4c7|0,r3c5r3c6|0,r3c0r4c0|0,r3c2r4c2|12,r3c4r4c4r5c4|13,r4c6r5c6|3,r4c8r5c8|10,r5c2r5c3|0,r4c1r5c0r5c1r6c0r6c1|20,r6c2r7c2r7c3|13,r6c3r6c4|0,r4c5r5c5r6c5r7c5|19,r5c7r6c6r6c7r7c6|15,r6c8r7c7r7c8|0,r7c4r8c4|0,r7c0r7c1r8c0r8c1|6,r8c2r8c3|26,r8c5r8c6r8c7r8c8", "solution": "976851423854623719123497658562318974789246531431975862218764395397582146645139287", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2838, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2839, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-01-10", "puzzle": "43,r0c0r0c1r1c0r1c1r2c0r2c1r2c2r2c3|14,r0c6r0c7|0,r0c2r1c2|0,r0c3r1c3|31,r0c4r0c5r1c4r1c5r1c6|0,r0c8r1c7r1c8|0,r2c4r2c5r2c6r2c7|0,r3c4r3c5|0,r3c6r3c7|0,r2c8r3c8r4c8|9,r3c0r3c1r4c0|7,r3c2r4c2|12,r3c3r4c3|0,r4c4r4c5|0,r4c6r4c7|17,r4c1r5c1|0,r5c2r5c3|0,r5c6r5c7r5c8r6c8|8,r5c0r6c0|0,r6c1r6c2|0,r5c4r5c5r6c4r6c5|10,r6c6r6c7|0,r6c3r7c3|18,r7c4r7c5r8c5|0,r7c7r7c8r8c8|0,r7c0r8c0|16,r7c1r7c2r8c1|11,r8c2r8c3r8c4|7,r7c6r8c6r8c7", "solution": "463278591512694387879315462346781925291563874785942613124856739938427156657139248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2839, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2840, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-11", "puzzle": 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"10,r0c0r0c1r0c2|14,r0c3r0c4r0c5|12,r0c7r0c8|22,r1c1r1c2r1c3|10,r1c4r1c5|19,r0c6r1c6r1c7|12,r1c8r2c7r2c8|10,r1c0r2c0|12,r2c1r2c2r2c3|12,r2c5r2c6r3c5|10,r3c2r3c3|12,r2c4r3c4|8,r3c6r3c7r3c8|10,r3c0r4c0|20,r3c1r4c1r4c2|14,r4c3r4c4r4c5|19,r4c6r4c7r5c7|10,r4c8r5c8|11,r5c0r5c1r5c2|6,r5c4r6c4|17,r5c5r5c6|14,r5c3r6c2r6c3|13,r6c5r6c6r6c7|12,r6c8r7c8|13,r6c0r6c1r7c0|18,r7c1r7c2r8c2|15,r7c3r7c4|13,r7c5r7c6r7c7|8,r8c0r8c1|15,r8c3r8c4r8c5|14,r8c6r8c7r8c8", "solution": "613275948259864731847193265984637152175428396362519874726351489491786523538942617", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2845, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2846, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-01-12", "puzzle": "9,r0c2r0c3r0c4|16,r0c5r0c6r1c5|17,r0c7r0c8|18,r0c0r0c1r1c0|4,r1c3r1c4|14,r1c1r1c2r2c1|14,r2c2r2c3r3c2r3c3|30,r1c6r2c4r2c5r2c6r3c4|18,r1c7r1c8r2c7r2c8|21,r2c0r3c0r4c0|15,r3c1r4c1|6,r3c6r3c7|24,r3c5r4c4r4c5r5c3r5c4|6,r4c6r4c7|9,r3c8r4c8|15,r5c7r5c8|6,r5c0r5c1r6c0|26,r4c2r4c3r5c2r6c1r6c2|13,r6c4r7c4|19,r5c5r5c6r6c5|10,r6c3r7c3|24,r6c6r6c7r7c6|21,r6c8r7c7r7c8r8c6r8c7r8c8|7,r7c0r8c0|27,r7c1r7c2r8c1r8c2|10,r8c3r8c4|6,r7c5r8c5", "solution": "653427189749318652812659347985173426476982513321564978137246895264895731598731264", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2846, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2847, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-12", "puzzle": "21,r0c0r0c1r1c1r1c2|19,r0c2r0c3r0c4|12,r0c5r0c6|11,r0c7r0c8r1c8|10,r1c3r1c4|3,r1c5r1c6|7,r1c0r2c0|35,r2c2r2c3r2c4r3c2r3c3r3c4|13,r2c5r2c6|16,r1c7r2c7r2c8|9,r2c1r3c1|20,r3c5r3c6r3c7r3c8|13,r3c0r4c0|34,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|11,r4c8r5c8|20,r5c0r5c1r5c2r5c3|16,r5c7r6c7|12,r6c0r6c1r7c1|6,r6c2r6c3|27,r5c4r5c5r5c6r6c4r6c5r6c6|8,r6c8r7c8|10,r7c2r7c3|17,r7c4r7c5|18,r7c0r8c0r8c1|6,r8c2r8c3|13,r8c4r8c5r8c6|18,r7c6r7c7r8c7r8c8", "solution": "348925716659371284172864953423798165967513842581642379834257691216489537795136428", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2847, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2848, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-01-12", "puzzle": "13,r0c0r0c1r1c0|13,r0c6r0c7r0c8|9,r0c2r1c1r1c2|11,r0c3r1c3|0,r0c4r1c4|24,r0c5r1c5r1c6|0,r1c7r1c8r2c7r2c8|0,r2c5r2c6r3c5r3c6|0,r2c0r3c0|0,r2c1r2c2r3c1r3c2|0,r2c3r3c3|0,r2c4r3c4|0,r4c0r5c0|11,r4c1r5c1|0,r4c2r4c3r4c4r4c5r4c6|10,r3c7r4c7|4,r3c8r4c8|0,r5c4r6c4|7,r5c5r6c5|0,r5c6r5c7r6c6r6c7|14,r5c8r6c8|0,r5c2r5c3r6c2r6c3|0,r6c0r6c1r7c0r7c1|13,r7c2r7c3r8c3|5,r7c4r8c4|0,r7c5r8c5|0,r7c6r7c7r8c6|11,r8c0r8c1r8c2|23,r7c8r8c7r8c8", "solution": "712598634534617982689342517256973841971854263843261759397486125465129378128735496", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2848, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2850, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-13", "puzzle": "10,r0c0r0c1|14,r0c7r0c8|16,r0c2r1c1r1c2|9,r0c3r1c3|11,r0c5r1c5|18,r0c6r1c6r1c7|8,r1c0r2c0|17,r2c1r2c2r2c3|14,r0c4r1c4r2c4|8,r2c5r2c6r2c7|10,r1c8r2c8|7,r3c1r3c2|19,r3c3r3c4r3c5|6,r3c6r3c7|14,r3c0r4c0|5,r4c1r4c2|6,r4c6r4c7|15,r3c8r4c8|15,r5c1r5c2|13,r4c3r5c3r6c3|13,r4c4r5c4r6c4|13,r4c5r5c5r6c5|15,r5c6r5c7|7,r5c0r6c0|4,r5c8r6c8|10,r6c1r7c1|15,r6c2r7c2r8c2|21,r6c6r7c6r8c6|13,r6c7r7c7|17,r7c0r8c0r8c1|14,r7c3r8c3|11,r7c4r8c4|7,r7c5r8c5|10,r7c8r8c7r8c8", "solution": "642718359159243786738695124561379248923864517487152693395427861814536972276981435", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2850, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2851, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-01-13", "puzzle": 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"10,r0c6r0c7|16,r0c0r1c0|5,r0c1r1c1|9,r0c2r1c2|17,r0c3r1c3r2c3|31,r0c4r0c5r1c4r2c4r3c4|0,r0c8r1c8|0,r2c0r2c1|3,r1c5r2c5|0,r1c6r1c7r2c6|10,r3c0r3c1|0,r2c2r3c2r3c3|0,r2c7r3c7|0,r2c8r3c8|0,r4c0r4c1|9,r4c2r5c2|25,r3c5r4c3r4c4r4c5r5c3|0,r3c6r4c6|12,r4c7r4c8|9,r5c0r6c0|0,r5c1r6c1|17,r5c5r5c6r6c6|9,r5c7r5c8|0,r6c2r7c1r7c2|0,r6c3r7c3|0,r6c7r6c8|12,r7c0r8c0|0,r5c4r6c4r7c4r8c3r8c4|0,r6c5r7c5r8c5|0,r7c6r8c6|16,r7c7r8c7|0,r7c8r8c8|3,r8c1r8c2", "solution": "916753824743682915582491367198364752265178439374529681659817243837245196421936578", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2853, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2855, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-14", "puzzle": "17,r0c0r0c1|18,r0c2r0c3r1c3|6,r0c4r0c5|9,r0c6r0c7|12,r1c0r1c1r1c2|19,r1c4r1c5r1c6|9,r0c8r1c7r1c8|6,r2c0r2c1|11,r2c2r2c3r2c4|12,r2c7r2c8|11,r3c0r3c1|10,r3c3r3c4|12,r2c5r3c5|10,r2c6r3c6|16,r4c0r5c0r5c1|13,r3c2r4c1r4c2|16,r4c3r4c4r4c5|14,r4c6r4c7r5c6|19,r3c7r3c8r4c8|12,r5c2r6c2|10,r5c3r6c3|5,r5c4r5c5|11,r5c7r5c8|7,r6c0r6c1|19,r6c4r6c5r6c6|11,r6c7r6c8|19,r7c0r7c1r8c0|20,r7c2r7c3r7c4|6,r7c6r7c7r7c8|3,r8c1r8c2|11,r8c3r8c4|15,r7c5r8c5r8c6|16,r8c7r8c8", "solution": "984651723723849651156327984298735146341286579675914238437192865569478312812563497", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2855, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2856, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-01-14", "puzzle": 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"15,r0c2r0c3r0c4|15,r0c6r0c7|9,r0c0r0c1r1c0|21,r1c1r1c2r2c1|8,r0c5r1c5|7,r1c6r1c7|12,r0c8r1c8|12,r1c3r2c3|12,r1c4r2c4|11,r2c6r2c7r2c8|6,r2c0r3c0r3c1|17,r2c2r3c2|16,r3c3r3c4|8,r2c5r3c5|18,r4c0r4c1r5c0|14,r4c2r5c1r5c2|13,r4c3r4c4r4c5|18,r3c6r3c7r4c6|12,r3c8r4c7r4c8|12,r5c3r6c3|3,r5c4r5c5|5,r5c6r6c6|18,r5c7r5c8r6c8|19,r6c0r6c1r6c2|6,r6c4r7c4|17,r6c5r7c5|13,r7c0r8c0|3,r7c1r7c2|8,r7c3r8c3|12,r6c7r7c6r7c7|16,r7c8r8c7r8c8|10,r8c1r8c2|19,r8c4r8c5r8c6", "solution": "425196783387542169169783524238975641751364892694821375973418256812659437546237918", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2860, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2861, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-01-15", "puzzle": 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"16,r0c2r0c3|9,r0c4r0c5|20,r0c0r0c1r1c0r1c1|3,r1c2r1c3|10,r1c4r1c5|12,r0c6r1c6|10,r0c7r1c7|10,r0c8r1c8|8,r2c4r2c5|13,r2c6r2c7r2c8|8,r2c0r3c0|13,r2c1r3c1|26,r2c2r2c3r3c2r3c3|25,r3c4r3c5r3c6r3c7r4c6|5,r4c2r5c2|7,r4c7r5c7|9,r3c8r4c8|9,r4c0r5c0|11,r4c1r5c1|22,r4c3r5c3r6c3r6c4r7c3|18,r4c4r4c5r5c4|22,r5c5r5c6r6c5r6c6|8,r6c0r6c1|20,r5c8r6c7r6c8|10,r7c0r7c1|16,r6c2r7c2r8c2|10,r7c4r7c5|11,r8c0r8c1|6,r8c3r8c4|11,r7c6r8c5r8c6|27,r7c7r7c8r8c7r8c8", "solution": "817954326652173984349862751596347812284691537731285649178439265465728193923516478", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2862, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2865, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-16", "puzzle": "24,r0c0r0c1r1c0|13,r0c4r0c5|8,r0c6r0c7r0c8|11,r0c2r0c3r1c2|11,r1c4r1c5r2c5|13,r1c6r1c7|10,r1c1r2c0r2c1|18,r2c2r3c2r4c2|15,r1c3r2c3r2c4|17,r2c6r2c7|7,r1c8r2c8|12,r3c0r3c1|3,r3c3r3c4|15,r3c5r3c6|11,r3c7r3c8|8,r4c0r4c1|15,r4c3r4c4r4c5|11,r4c7r4c8|8,r5c0r5c1|14,r5c2r5c3|10,r5c4r5c5|9,r5c7r5c8|10,r6c0r7c0|15,r6c1r6c2|8,r6c4r6c5r7c5|12,r4c6r5c6r6c6|14,r6c7r6c8r7c7|4,r7c1r7c2|17,r6c3r7c3r7c4|18,r7c6r8c5r8c6|16,r8c0r8c1r8c2|11,r8c3r8c4|17,r7c8r8c7r8c8", "solution": "783694251952831674416257983394128765178546392625973418869412537231765849547389126", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2865, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2867, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-01-16", "puzzle": 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"15,r0c0r0c1r1c0|36,r0c2r0c3r0c4r0c5r0c6r0c7|10,r1c4r1c5r1c6r2c4|17,r0c8r1c7r1c8r2c8|29,r1c1r1c2r1c3r2c1r3c1|5,r2c5r3c5|30,r2c0r3c0r4c0r5c0r6c0r7c0|23,r2c2r2c3r3c2|15,r2c6r2c7r3c6|13,r3c3r3c4r4c3|20,r4c4r4c5r5c4|11,r3c7r4c6r4c7|8,r3c8r4c8|16,r4c1r4c2r5c1r6c1|8,r5c2r5c3|15,r5c7r5c8|12,r6c2r6c3r7c2|23,r5c5r5c6r6c5|10,r6c4r7c3r7c4|11,r7c5r8c5|24,r6c6r6c7r6c8r7c6r7c7r8c6|21,r7c1r8c0r8c1r8c2|12,r8c3r8c4|21,r7c8r8c7r8c8", "solution": "164975832872613459359824761796381245485297613213546987921438576547169328638752194", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2866, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2870, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-17", "puzzle": "6,r0c1r0c2|16,r0c3r0c4|9,r0c6r0c7r0c8|17,r0c0r1c0|7,r1c3r1c4|14,r0c5r1c5|10,r1c1r2c1|10,r1c2r2c2|5,r2c3r2c4|16,r1c6r2c6|12,r1c7r1c8r2c7|13,r2c0r3c0r4c0|16,r3c1r3c2r4c2|14,r3c4r4c4r5c4|13,r2c5r3c5r3c6|11,r3c7r4c7|13,r2c8r3c8|12,r3c3r4c3|8,r4c5r5c5|10,r5c0r6c0|6,r4c1r5c1|17,r5c2r5c3r6c3|18,r4c6r5c6r5c7|19,r4c8r5c8r6c8|18,r6c1r7c0r7c1|10,r6c2r7c2|3,r6c4r6c5|10,r6c6r7c6|4,r6c7r7c7|10,r7c3r8c3|13,r7c4r7c5|9,r7c8r8c8|10,r8c0r8c1r8c2|13,r8c4r8c5|13,r8c6r8c7", "solution": "815976243934528761276143958687439125521867394349251876758612439492385617163794582", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2870, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2871, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-01-17", "puzzle": "11,r0c6r0c7r0c8|12,r0c0r1c0|12,r0c1r1c1|12,r0c2r1c2|22,r0c4r1c4r2c4r2c5|10,r0c5r1c5|14,r0c3r1c3r2c2r2c3|7,r1c6r2c6|17,r1c7r2c7|10,r1c8r2c8|15,r2c1r3c1r4c1|19,r3c2r3c3r4c2|16,r3c6r3c7|20,r2c0r3c0r4c0r5c0|8,r4c3r5c3|15,r3c4r4c4r5c4|9,r3c5r4c5|17,r3c8r4c8r5c8r6c8|7,r5c1r5c2|19,r4c6r5c5r5c6|6,r4c7r5c7r6c7|7,r6c0r7c0|6,r6c1r7c1|16,r6c2r7c2|15,r6c5r6c6r7c5r8c5|7,r7c3r8c3|26,r6c3r6c4r7c4r8c4|8,r7c6r8c6|9,r7c7r8c7|17,r7c8r8c8|16,r8c0r8c1r8c2", "solution": "798352461534618297261479583126843975975126834843795612457981326319264758682537149", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2871, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2872, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-17", "puzzle": "14,r0c0r0c1r1c0|21,r0c2r0c3r0c4r0c5|8,r1c1r1c2|15,r0c6r1c6|10,r0c7r1c7r2c7r2c8|13,r0c8r1c8|25,r2c0r2c1r2c2r3c0r3c1|9,r1c3r2c3|12,r1c4r1c5r2c4|20,r2c6r3c6r3c7|14,r3c2r3c3r3c4|13,r2c5r3c5|8,r4c0r4c1|13,r4c2r4c3|9,r4c4r4c5|13,r4c6r4c7|15,r3c8r4c8r5c8|17,r5c2r5c3r5c4|10,r5c5r6c5|26,r5c0r5c1r6c0r6c1r6c2|13,r6c3r7c3|13,r6c4r7c4r7c5|6,r5c6r5c7r6c6|13,r7c1r7c2|9,r7c6r8c6|22,r6c7r6c8r7c7r8c7|12,r7c8r8c8|19,r7c0r8c0r8c1|13,r8c2r8c3r8c4r8c5", "solution": "741893625326715948859264731214379586537681492698542317173958264985426173462137859", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2872, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2873, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-01-17", "puzzle": 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"25,r0c0r0c1r0c2r1c2|6,r0c5r0c6|6,r1c0r1c1|28,r0c3r0c4r1c3r1c4r1c5r1c6|17,r0c7r1c7|8,r0c8r1c8|16,r2c4r2c5r2c6|16,r2c0r2c1r3c0|27,r2c2r2c3r3c1r3c2r3c3|6,r3c5r3c6|10,r2c8r3c8|28,r4c0r4c1r5c1r6c1|8,r4c2r4c3|11,r4c5r4c6|18,r2c7r3c7r4c7r4c8|4,r5c0r6c0|10,r5c2r5c3|13,r3c4r4c4r5c4|33,r5c5r5c6r5c7r6c5r6c6|8,r5c8r6c7r6c8|17,r6c2r6c3r6c4|13,r7c0r8c0|12,r7c1r8c1|24,r7c2r7c3r7c4r7c5r8c4r8c5|10,r7c7r7c8|6,r8c2r8c3|25,r7c6r8c6r8c7r8c8", "solution": "639421587247358691815976324723895146586214739194637852362789415458162973971543268", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2877, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2880, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-19", "puzzle": "13,r0c0r0c1r1c0|13,r0c2r0c3r1c2|15,r0c5r0c6r1c5|9,r0c7r0c8r1c8|20,r0c4r1c3r1c4|14,r1c6r1c7|20,r1c1r2c1r2c2|8,r2c3r2c4|18,r2c6r2c7r2c8|10,r2c0r3c0|24,r3c1r3c2r4c1|14,r3c3r3c4|3,r2c5r3c5|6,r3c6r3c7r4c6|6,r4c0r5c0|18,r4c3r4c4r4c5|10,r3c8r4c8|9,r4c2r5c1r5c2|4,r5c3r6c3|10,r5c4r5c5|22,r4c7r5c6r5c7|15,r5c8r6c8|17,r6c0r6c1r6c2|6,r6c4r6c5|14,r6c6r6c7r7c7|6,r7c1r7c2|14,r7c4r7c5r8c4|19,r7c0r8c0r8c1|16,r7c3r8c2r8c3|16,r7c6r8c5r8c6|16,r7c8r8c7r8c8", "solution": "287593461361478592459261873678952314194837256532146987926315748815724639743689125", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2880, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2881, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-01-19", "puzzle": 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"9,r0c0r0c1|14,r0c3r0c4r1c3|14,r0c6r0c7|18,r0c2r1c2r2c2r2c3|19,r0c5r1c5r1c6r1c7|9,r0c8r1c8r2c8|12,r1c0r2c0|11,r1c1r2c1|17,r1c4r2c4|19,r2c5r2c6r3c6|22,r3c0r3c1r3c2r4c0|11,r3c3r4c3|10,r2c7r3c7r3c8|9,r4c1r4c2|9,r4c6r4c7|10,r5c0r5c1r6c1|27,r3c4r3c5r4c4r5c3r5c4|7,r4c5r5c5|19,r4c8r5c6r5c7r5c8|14,r5c2r6c2r6c3|6,r6c4r7c4|7,r6c7r7c7|16,r6c8r7c8|18,r6c0r7c0r8c0|17,r7c1r7c2r7c3r8c3|16,r6c5r6c6r7c6r8c6|13,r8c1r8c2|18,r7c5r8c4r8c5|14,r8c7r8c8", "solution": "184763592357192684962584713491275836836941275275836941713658429628419357549327168", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2886, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2882, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-19", "puzzle": 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"15,r0c0r0c1r1c0|6,r0c2r0c3|11,r0c4r1c4|16,r0c5r0c6|15,r0c7r0c8r1c8|4,r1c2r1c3|6,r1c5r1c6|18,r1c1r2c0r2c1|16,r2c3r2c4r2c5|16,r1c7r2c7r2c8|19,r2c2r3c2r3c3|13,r2c6r3c5r3c6|9,r3c0r4c0|7,r3c1r4c1|11,r3c4r4c4|11,r3c7r4c7|5,r3c8r4c8|10,r5c0r5c1|14,r4c2r5c2r6c2|23,r4c3r5c3r6c3|17,r5c4r6c4|14,r4c5r5c5r6c5|13,r4c6r5c6r6c6|9,r5c7r5c8|8,r6c0r6c1|9,r6c7r6c8|23,r7c0r7c1r7c2|11,r7c6r7c7r7c8|11,r8c0r8c1r8c2|6,r7c3r8c3|5,r7c4r8c4|11,r7c5r8c5|23,r8c6r8c7r8c8", "solution": "532469718781352496469718352658271934327945681914683527173896245896524173245137869", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2885, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2887, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-20", "puzzle": 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"0,r0c1r0c2r1c2|11,r0c3r0c4|14,r0c5r0c6|0,r0c7r0c8|17,r0c0r1c0r1c1|25,r1c3r1c4r2c3r3c3|17,r1c6r1c7|7,r2c0r2c1|4,r1c5r2c5|0,r2c6r2c7|0,r1c8r2c8|10,r2c2r3c2|17,r2c4r3c4r3c5|0,r3c6r3c7|25,r3c0r3c1r4c0r4c1r5c0|0,r4c2r4c3r4c4r4c5r4c6|28,r3c8r4c7r4c8r5c7r5c8|0,r5c1r5c2|0,r5c3r5c4r6c4|4,r5c6r6c6|0,r6c0r7c0|0,r6c1r6c2|0,r6c3r7c3|11,r6c7r6c8|0,r7c1r7c2|27,r5c5r6c5r7c4r7c5|13,r7c7r7c8r8c8|0,r8c0r8c1|0,r8c2r8c3|15,r8c4r8c5|0,r7c6r8c6r8c7", "solution": "823749516547621983169853274751984632384162795296537148678415329412396857935278461", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2888, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2889, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-21", "puzzle": "16,r0c0r0c1r0c2|17,r0c6r0c7r0c8|13,r1c0r1c1|6,r0c3r1c3|12,r0c4r1c4|5,r0c5r1c5|8,r1c7r1c8|13,r2c0r2c1r3c1|11,r1c2r2c2|22,r2c3r2c4r2c5|15,r1c6r2c6|10,r2c7r2c8r3c7|7,r3c0r4c0|12,r3c2r4c2r5c2|9,r3c3r4c3|8,r3c4r4c4r5c4|11,r3c5r4c5|16,r3c6r4c6r5c6|14,r3c8r4c8|12,r4c1r5c1|9,r4c7r5c7|14,r5c0r6c0|12,r5c3r6c3|18,r6c4r7c4r8c4|10,r5c5r6c5|10,r5c8r6c8|17,r6c1r7c0r7c1|5,r6c2r7c2|6,r6c6r7c6|21,r6c7r7c7r7c8|15,r8c0r8c1r8c2|9,r7c3r8c3|13,r7c5r8c5|9,r8c6r8c7r8c8", "solution": "718543692946182735325976814284317956591624378637859421872431569463295187159768243", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2889, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2890, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-01-21", "puzzle": "7,r0c3r1c3|22,r0c5r0c6r0c7r0c8|15,r0c0r1c0|5,r0c1r1c1|21,r0c2r1c2r2c2r3c2|4,r0c4r1c4|22,r1c5r1c6r2c5r3c5|13,r2c0r2c1|16,r2c3r2c4|8,r1c7r2c7|6,r1c8r2c8|15,r3c0r3c1r4c0|18,r3c4r4c4r5c4|11,r2c6r3c6|7,r3c7r3c8|8,r4c1r4c2|12,r3c3r4c3|11,r4c5r5c5|10,r4c6r4c7|12,r5c0r5c1|9,r5c2r6c2|16,r4c8r5c7r5c8|8,r6c0r7c0|11,r6c1r7c1|7,r6c4r6c5|16,r6c7r6c8|14,r5c3r6c3r7c2r7c3|10,r7c4r8c4|14,r5c6r6c6r7c6r8c6|8,r7c7r8c7|14,r7c8r8c8|23,r8c0r8c1r8c2r8c3|12,r7c5r8c5", "solution": "947216385612538974853794612269871543735469821481352769528643197394187256176925438", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2890, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2891, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-21", "puzzle": 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"13,r0c0r0c1r1c0|15,r0c5r0c6|6,r0c2r1c2|12,r0c3r1c3|19,r0c4r1c4r1c5|8,r0c7r1c6r1c7|8,r0c8r1c8|16,r2c0r3c0|15,r1c1r2c1|6,r2c2r2c3|4,r2c4r2c5|11,r2c7r3c7|11,r3c1r3c2|8,r3c3r3c4|13,r2c6r3c6|13,r2c8r3c8|13,r4c0r4c1r4c2|15,r4c3r4c4|9,r3c5r4c5r5c5|13,r4c6r4c7r4c8|6,r5c1r5c2|13,r5c3r5c4|15,r5c6r6c6|6,r5c8r6c8|10,r5c0r6c0|3,r6c1r7c1|12,r6c2r6c3|9,r6c4r6c5|15,r5c7r6c7|14,r7c2r8c2|10,r7c3r8c3|14,r7c4r7c5r8c4|15,r7c6r7c7r8c7|10,r7c8r8c8|15,r7c0r8c0r8c1|10,r8c5r8c6", "solution": "231598746895746312764231859983172564157964238642853971419327685328615497576489123", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2899, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2900, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-01-23", "puzzle": "18,r0c0r0c1r1c1|13,r0c2r1c2|11,r0c3r1c3|22,r0c4r0c5r1c4r1c5|3,r0c6r1c6|19,r0c7r1c7r2c7|22,r1c0r2c0r3c0r4c0|8,r2c4r2c5|15,r3c1r4c1r4c2|20,r2c1r2c2r2c3r3c2r3c3|33,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|34,r0c8r1c8r2c6r2c8r3c6r3c7r3c8|28,r5c0r5c1r5c2r6c0r6c2r7c0r8c0|25,r5c5r5c6r6c5r6c6r6c7|21,r4c6r4c7r5c7|5,r6c3r6c4|19,r4c8r5c8r6c8r7c8|24,r6c1r7c1r8c1|6,r7c2r8c2|18,r7c3r7c4r8c3r8c4|16,r7c5r8c5|9,r7c6r8c6|16,r7c7r8c7r8c8", "solution": "965278143438961275721453689356794812819632754247815396573146928692587431184329567", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2900, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2901, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-01-23", "puzzle": "20,r0c1r0c2r0c3|9,r0c4r0c5|16,r0c6r0c7r1c7|16,r0c0r1c0r1c1|10,r1c2r2c2|13,r1c3r1c4r2c3|6,r1c5r1c6|21,r0c8r1c8r2c8|20,r2c4r2c5r3c5r3c6|7,r2c6r2c7|13,r2c0r3c0|15,r2c1r3c1r3c2|9,r4c0r4c1|18,r3c3r4c2r4c3r5c3|14,r3c4r4c4r5c4|12,r4c5r4c6|5,r5c0r6c0|12,r5c1r5c2r6c1|29,r3c7r3c8r4c7r4c8r5c7r5c8|21,r5c5r5c6r6c4r6c5|8,r6c6r6c7|17,r7c0r7c1r8c0|12,r6c2r7c2|19,r6c3r7c3r7c4|8,r7c5r7c6|9,r6c8r7c8r8c8|12,r8c1r8c2r8c3|13,r8c4r8c5|21,r7c7r8c6r8c7", "solution": "394718256672435198518692437859126374726354819431879562187943625965281743243567981", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2901, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2904, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-24", "puzzle": "12,r0c0r0c1r0c2|10,r0c3r0c4r1c3|17,r0c7r0c8|14,r1c1r1c2r2c1|16,r0c5r1c5|12,r0c6r1c6r1c7|17,r1c0r2c0|15,r2c2r2c3r3c3|13,r1c4r2c4r2c5|14,r2c6r3c6r3c7|11,r1c8r2c7r2c8|10,r3c0r3c1|10,r3c4r3c5|20,r4c0r4c1r5c1|8,r3c2r4c2|17,r4c3r4c4r5c3|3,r4c6r4c7|9,r4c5r5c5|14,r5c6r5c7|19,r3c8r4c8r5c8|9,r5c0r6c0r6c1|17,r5c2r6c2r6c3|8,r5c4r6c4|8,r6c7r6c8|10,r7c3r7c4|6,r6c5r7c5|9,r6c6r7c6|15,r7c7r7c8|7,r7c0r8c0|19,r7c1r7c2r8c1|18,r8c2r8c3r8c4|12,r8c5r8c6|6,r8c7r8c8", "solution": "516237489874519623932648571285791364793456218641823957127964835458372196369185742", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2904, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2905, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-01-24", "puzzle": "8,r0c1r0c2|12,r0c3r0c4|12,r0c5r0c6|16,r0c0r1c0r2c0|6,r1c3r1c4|6,r1c5r1c6|4,r0c7r1c7|14,r0c8r1c8|21,r1c1r1c2r2c1r2c2|10,r2c5r2c6|11,r3c0r3c1|17,r2c3r3c3|19,r2c7r2c8r3c7r3c8|9,r4c0r4c1|13,r3c2r4c2|10,r4c3r5c2r5c3|10,r3c5r3c6r4c5|10,r4c6r5c6|17,r4c7r4c8|21,r5c0r5c1r6c0r6c1|23,r2c4r3c4r4c4r5c4r6c4|11,r5c5r6c5|9,r5c7r5c8|7,r6c2r6c3|26,r6c6r6c7r7c6r7c7|14,r7c0r8c0|5,r7c1r8c1|14,r7c2r7c3|11,r7c4r7c5|8,r6c8r7c8r8c8|3,r8c2r8c3|17,r8c4r8c5|11,r8c6r8c7", "solution": "462753918978421536315968274296847153547132689183695427754316892829574361631289745", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2905, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2908, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-25", "puzzle": "11,r0c3r0c4|12,r0c0r0c1r1c0|11,r0c2r1c1r1c2|16,r1c3r1c4r2c3|17,r0c5r0c6r1c5|17,r0c7r1c6r1c7|14,r0c8r1c8r2c8|13,r2c0r2c1|3,r2c4r2c5|5,r3c0r3c1|24,r2c2r3c2r3c3|17,r2c6r2c7r3c6|13,r3c8r4c8|18,r4c1r4c2r5c1|16,r4c3r5c3|13,r3c4r4c4r5c4|4,r3c5r4c5|15,r3c7r4c6r4c7|10,r4c0r5c0|16,r5c2r6c1r6c2|16,r5c5r5c6r6c6|9,r5c7r5c8|6,r6c3r6c4|6,r6c7r6c8|16,r6c0r7c0r8c0|14,r7c1r7c2r8c1|11,r7c3r8c2r8c3|18,r6c5r7c4r7c5|18,r7c6r7c7r8c6|12,r7c8r8c7r8c8|14,r8c4r8c5", "solution": "541389276328476195769512483417823569836951724295764318683247951952138647174695832", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2908, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2909, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-01-25", "puzzle": "23,r0c0r0c1r1c1r1c2|24,r0c2r0c3r0c4r0c5r0c6|17,r0c7r0c8r1c6r1c7|15,r1c3r1c4r1c5r2c4|14,r1c0r2c0|5,r2c1r2c2|16,r2c6r2c7|11,r1c8r2c8|8,r3c0r3c1|26,r2c3r2c5r3c3r3c4r3c5|11,r3c7r3c8|16,r4c0r4c1|9,r3c2r4c2r4c3|12,r4c4r5c4|16,r3c6r4c5r4c6|6,r4c7r4c8|13,r5c0r5c1r6c0|22,r5c2r5c3r6c2|10,r5c5r5c6r6c6|18,r5c7r5c8r6c8|29,r6c3r6c4r6c5r7c4|8,r7c0r8c0|11,r6c1r7c1r8c1|19,r7c2r7c3r8c2|6,r8c3r8c4r8c5|18,r7c5r7c6r8c6|17,r6c7r7c7r8c7|5,r7c8r8c8", "solution": "863479152927531468541268793352916847794382615186745239419857326238694571675123984", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2909, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2906, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-01-24", "puzzle": "7,r0c5r0c6|6,r0c7r0c8r1c8|11,r0c0r1c0|26,r0c1r0c2r0c3r1c1|6,r1c2r1c3|11,r0c4r1c4|20,r2c0r2c1r3c0r4c0|17,r2c3r3c3r4c3|20,r1c5r2c4r2c5|30,r1c6r1c7r2c6r2c7|9,r2c8r3c8|17,r2c2r3c1r3c2|13,r3c6r3c7r4c6|13,r3c4r3c5r4c4r4c5|13,r4c7r4c8|11,r4c1r4c2r5c1r6c1|21,r5c2r5c3r6c2r6c3|13,r5c4r5c5r5c6|10,r5c7r6c7|7,r5c0r6c0|22,r6c5r6c6r7c5|18,r7c0r7c1r8c0r8c1|15,r6c4r7c2r7c3r7c4|21,r7c6r8c4r8c5r8c6|25,r5c8r6c8r7c7r7c8|15,r8c2r8c3|8,r8c7r8c8", "solution": "894672531375149682612583794487961325951324876236857149523418967769235418148796253", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2906, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2910, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-25", "puzzle": 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"10,r0c2r0c3r0c4|14,r0c7r0c8r1c8|18,r0c0r0c1r1c0|11,r1c1r2c1|14,r1c2r1c3|10,r0c5r1c4r1c5|15,r0c6r1c6r1c7|7,r2c0r3c0|10,r2c2r2c3|13,r2c4r2c5|8,r2c6r2c7|12,r2c8r3c8|8,r3c1r3c2|14,r3c6r3c7|12,r4c0r4c1r4c2|9,r3c3r4c3r5c3|19,r3c4r4c4r5c4|21,r4c6r4c7r4c8|17,r5c1r5c2|17,r3c5r4c5r5c5|3,r5c6r5c7|11,r5c0r6c0|9,r6c2r6c3|4,r6c4r6c5|13,r6c6r6c7|12,r5c8r6c8|15,r7c0r8c0r8c1|11,r6c1r7c1|13,r7c2r7c3|14,r7c4r7c5r8c5|8,r7c6r7c7r8c6|18,r8c2r8c3r8c4|15,r7c8r8c7r8c8", "solution": "835142967796835241421976538317259684264381795589467123642713859978524316153698472", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2918, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2917, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-01-26", "puzzle": 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"23,r0c0r0c1r0c2r1c0r2c0|9,r0c5r0c6|5,r0c7r0c8|13,r1c1r1c2r2c1|26,r0c3r0c4r1c3r1c4|19,r2c2r2c3r3c2r3c3|29,r1c5r2c5r3c5r3c6|12,r1c6r1c7r2c6|17,r1c8r2c8|21,r3c0r3c1r4c0r4c1|3,r2c4r3c4|11,r2c7r3c7|16,r4c2r4c3|4,r4c6r4c7|10,r3c8r4c8|19,r5c1r5c2r5c3r6c3|11,r4c4r4c5r5c4|17,r5c5r5c6r6c5|14,r5c7r5c8r6c8|10,r5c0r6c0|14,r6c1r6c2r7c1|20,r6c6r6c7r7c6r7c7|7,r7c2r7c3|13,r6c4r7c4|13,r7c0r8c0|6,r8c1r8c2|13,r8c3r8c4|17,r7c5r8c5r8c6|13,r7c8r8c7r8c8", "solution": "871694532246835179539127468362718954487952316195346827918273645753469281624581793", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2919, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2923, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-28", "puzzle": "13,r0c0r0c1r0c2|7,r1c0r1c1|16,r0c3r1c2r1c3|10,r0c4r1c4r2c4|17,r0c5r1c5|3,r0c6r1c6|12,r0c7r1c7|13,r0c8r1c8|13,r2c3r3c3r3c4|8,r2c5r2c6|16,r2c0r2c1r3c0|24,r2c2r3c1r3c2|10,r3c5r3c6|16,r2c7r2c8r3c7|9,r3c8r4c8r5c8|5,r4c0r4c1|13,r4c2r4c3|5,r4c4r4c5|16,r4c6r4c7|16,r5c0r6c0r6c1|9,r5c1r5c2r6c2|8,r5c5r5c6|23,r5c7r6c7r6c8|13,r5c3r5c4r6c3|12,r6c5r6c6|7,r7c0r7c1|22,r7c2r7c3r8c3|17,r6c4r7c4r8c4|5,r7c5r8c5|15,r7c6r8c6|3,r7c7r8c7|7,r7c8r8c8|22,r8c0r8c1r8c2", "solution": "274659138613748295859312647387196452145823976962475381431287569528964713796531824", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2923, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2924, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-01-28", "puzzle": 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"9,r0c0r0c1r1c0|7,r0c6r0c7r0c8|22,r0c2r1c1r1c2|9,r0c3r1c3|22,r0c4r0c5r1c4|19,r1c7r1c8r2c7|14,r2c0r2c1r2c2|8,r1c5r2c4r2c5|11,r1c6r2c6r3c6|17,r2c8r3c7r3c8|11,r2c3r3c3|17,r3c0r4c0|17,r3c1r3c2r4c1|18,r4c2r4c3r5c3|16,r3c4r4c4r5c4|9,r3c5r4c5r4c6|20,r4c7r5c6r5c7|12,r4c8r5c8|11,r5c5r6c5|11,r5c0r5c1r6c0|6,r5c2r6c2r7c2|8,r6c3r6c4r7c3|18,r6c6r6c7r6c8|19,r6c1r7c0r7c1|16,r7c4r8c3r8c4|16,r7c5r8c5|19,r7c6r7c7r8c6|15,r8c0r8c1r8c2|8,r7c8r8c7r8c8", "solution": "356798214197254368428631759974583126865912437231476895683145972742369581519827643", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2928, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2927, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-01-28", "puzzle": 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"14,r0c0r0c1r0c2r0c3|0,r0c5r0c6|7,r1c0r2c0|10,r1c2r1c3|0,r0c4r1c4|10,r1c5r1c6|0,r0c7r0c8r1c7r1c8r2c8|13,r1c1r2c1|0,r2c2r2c3r2c4|0,r2c6r2c7|0,r3c1r3c2|0,r3c3r3c4|17,r2c5r3c5|0,r3c6r4c6|20,r3c0r4c0r5c0|0,r4c1r5c1|0,r4c3r4c4r4c5|4,r3c7r4c7|19,r3c8r4c8r5c8|0,r4c2r5c2|0,r5c3r6c3|5,r5c4r5c5|0,r5c6r5c7|11,r6c1r6c2|0,r6c4r6c5r6c6|0,r6c7r7c7|28,r6c0r7c0r7c1r8c0r8c1|14,r7c2r7c3|0,r7c4r8c4|10,r7c5r7c6|6,r6c8r7c8|4,r8c2r8c3|19,r8c5r8c6r8c7r8c8", "solution": "183245697279136458564879123736598214452761839918423576347612985625987341891354762", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2932, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2933, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-30", "puzzle": 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"24,r0c4r0c5r0c6r0c7r1c6r2c6|28,r0c0r0c1r0c2r0c3r1c0|24,r1c2r1c3r2c3|9,r1c4r1c5|12,r0c8r1c8|15,r1c1r2c1r2c2|7,r2c4r2c5|5,r1c7r2c7|3,r2c0r3c0|8,r3c3r3c4|16,r3c5r3c6|15,r2c8r3c8|29,r3c1r3c2r4c0r4c1r4c2r5c1|16,r4c3r4c4r4c5|29,r3c7r4c6r4c7r4c8r5c6r5c7|14,r5c0r6c0|10,r5c2r5c3|11,r5c4r5c5|5,r5c8r6c8|3,r6c1r7c1|7,r6c3r6c4|21,r6c6r6c7r7c7|9,r7c0r8c0|15,r7c3r7c4|12,r6c5r7c5r7c6|20,r7c8r8c5r8c6r8c7r8c8|38,r6c2r7c2r8c1r8c2r8c3r8c4", "solution": "971823645368945127254716839142359786735268914689174253816437592523691478497582361", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2935, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2938, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-01-31", "puzzle": "15,r0c0r0c1r1c0|10,r0c2r0c3r0c4|20,r1c1r1c2r1c3|20,r1c4r2c4r2c5|11,r0c5r1c5|16,r0c6r1c6|9,r0c7r0c8r1c7|11,r2c0r2c1|7,r1c8r2c8|3,r3c0r3c1|8,r2c2r2c3r3c2|21,r3c3r4c3r5c3|9,r3c5r4c5r5c5|12,r2c6r3c6|13,r2c7r3c7|21,r4c0r4c1r4c2|15,r3c4r4c4r5c4|14,r4c6r4c7|12,r3c8r4c8r5c8|12,r5c0r5c1|14,r5c2r6c2r6c3|8,r5c6r6c6|7,r5c7r6c7|10,r6c0r6c1|17,r6c8r7c8|14,r7c1r7c2r7c3|10,r6c4r6c5r7c4|17,r7c5r8c5|4,r7c6r8c6|16,r7c7r8c7r8c8|13,r7c0r8c0r8c1|16,r8c2r8c3r8c4", "solution": "583167924269584731741293856125976483876431592394852617917345268652718349438629175", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2938, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2939, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-01-31", "puzzle": "9,r0c0r0c1|36,r0c6r0c7r0c8r1c8r2c8r3c8|23,r1c0r1c1r2c0r2c1r3c0|17,r0c2r0c3r1c2|21,r0c4r0c5r1c4r1c5|10,r1c6r1c7|20,r1c3r2c3r2c4r2c5|20,r2c2r3c1r3c2r3c3|9,r2c6r3c6|18,r2c7r3c7r4c7|23,r4c1r4c2r4c3r5c3|10,r3c4r4c4|12,r3c5r4c5r4c6r5c6|12,r4c0r5c0|13,r5c4r5c5|3,r4c8r5c8|22,r5c1r5c2r6c0r6c1|6,r6c2r7c2|15,r6c5r6c6|9,r5c7r6c7r6c8|16,r6c3r7c3|19,r6c4r7c4r7c5r7c6|26,r7c0r7c1r8c0r8c1r8c2|3,r8c3r8c4|11,r8c5r8c6|10,r7c7r8c7|12,r7c8r8c8", "solution": "635419728278365194941287536156832479493571682827694351582746913314958267769123845", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2939, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2940, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-01-31", "puzzle": "9,r0c0r0c1|17,r0c3r0c4r0c5|12,r0c7r0c8|17,r0c2r1c1r1c2r2c2|15,r1c3r1c4r1c5|12,r0c6r1c6r1c7r2c6|30,r1c0r2c0r2c1r3c0r3c1|22,r2c3r2c4r2c5r3c4|31,r1c8r2c7r2c8r3c7r3c8|5,r3c2r3c3|10,r3c5r3c6|38,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|21,r4c0r5c0r5c1r5c2|16,r4c8r5c6r5c7r5c8|11,r5c3r6c3|23,r5c4r6c4r7c4r8c4|8,r5c5r6c5|14,r6c0r7c0|10,r6c1r6c2r7c1|12,r7c2r7c3|12,r7c5r7c6|17,r6c6r6c7r7c7|5,r6c8r7c8|17,r8c0r8c1r8c2r8c3|21,r8c5r8c6r8c7r8c8", "solution": "365719284729438615481652397654193728172845936893267541536981472917524863248376159", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2940, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2943, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-02-01", "puzzle": 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"6,r0c4r1c4|11,r0c0r1c0r2c0|19,r0c1r0c2r1c1|12,r0c3r1c2r1c3|17,r0c5r1c5r1c6|17,r0c6r0c7r1c7|20,r0c8r1c8r2c8|11,r2c1r2c2|19,r2c3r2c4r2c5|3,r2c6r2c7|7,r3c1r3c2|21,r3c3r3c4r3c5|9,r3c6r3c7|16,r3c0r4c0r4c1|13,r3c8r4c7r4c8|11,r5c0r5c1|18,r4c2r5c2r6c2|6,r4c3r5c3|8,r4c5r5c5|11,r4c6r5c6r6c6|13,r5c7r5c8|12,r6c0r6c1|16,r4c4r5c4r6c4|6,r6c7r6c8|7,r7c1r7c2|17,r6c3r7c3|6,r7c4r8c4|6,r6c5r7c5|10,r7c6r7c7|18,r7c0r8c0r8c1|8,r8c2r8c3|12,r8c5r8c6|19,r7c8r8c7r8c8", "solution": "139254867274618539865397214516489723748532691923176485397865142652941378481723956", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2942, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2944, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-02-01", "puzzle": 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"17,r0c0r0c1r1c0|0,r0c2r0c3|0,r0c5r0c6|6,r0c7r0c8|0,r1c1r1c2r1c3|0,r0c4r1c4|0,r2c0r2c1r2c2r3c1|0,r1c5r1c6r2c5|12,r1c7r2c7|17,r1c8r2c8|23,r2c3r2c4r3c2r3c3|21,r3c4r3c5r4c4r4c5r5c5r6c5|0,r2c6r3c6|0,r3c7r3c8|0,r3c0r4c0|0,r4c6r4c7r5c7|0,r4c1r5c1|0,r4c2r4c3r5c2|23,r5c3r6c3r7c3r8c3|0,r4c8r5c8|10,r5c0r6c0|3,r6c1r6c2|13,r5c4r6c4|9,r5c6r6c6|17,r6c7r6c8r7c7r7c8|7,r7c1r7c2|27,r7c5r7c6r8c6r8c7r8c8|0,r7c0r8c0r8c1r8c2|17,r7c4r8c4r8c5", "solution": "597681342364259178281437659439712865728365914156894237912543786843976521675128493", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2946, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2947, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-02", "puzzle": 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"18,r0c0r0c1r0c2|14,r0c7r0c8|11,r1c1r1c2r2c2|10,r0c3r1c3|6,r0c5r1c5|9,r0c6r1c6|8,r1c7r1c8|9,r1c0r2c0r3c0|26,r0c4r1c4r2c3r2c4|6,r2c6r2c7|13,r2c1r3c1|23,r3c2r3c3r3c4r4c2r4c3r4c4|12,r2c5r3c5|8,r4c0r4c1|14,r4c5r5c5|18,r3c6r3c7r4c6|6,r5c3r5c4|31,r2c8r3c8r4c7r4c8r5c7r5c8|37,r5c0r5c1r5c2r6c0r6c1r6c2|11,r5c6r6c6|15,r6c7r6c8r7c8|32,r7c0r7c1r7c2r8c0r8c1r8c2|23,r6c3r7c3r8c3r8c4|15,r6c4r6c5r7c4r7c5|30,r7c6r7c7r8c5r8c6r8c7r8c8", "solution": "837241659624895371195763248246379815351428967978156432562914783713682594489537126", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2949, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2950, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-02-02", "puzzle": 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"0,r0c5r0c6|0,r0c0r1c0|5,r0c1r1c1|11,r0c2r1c2r2c2|0,r0c3r1c3|8,r0c4r1c4|13,r1c5r1c6|0,r0c7r0c8r1c7|12,r2c1r3c1|0,r2c3r2c4r3c3|0,r2c5r2c6r2c7|0,r1c8r2c8|11,r2c0r3c0|13,r3c4r3c5r3c6|0,r3c7r3c8|28,r3c2r4c0r4c1r4c2r5c2|14,r4c3r4c4r4c5|17,r4c6r4c7r4c8|0,r5c0r6c0|0,r5c4r5c5r5c6|9,r5c7r5c8|0,r5c1r6c1|24,r5c3r6c3r6c4|0,r6c5r6c6r6c7|0,r6c8r7c8|0,r7c0r8c0|17,r7c1r8c1|0,r6c2r7c2r8c2|9,r7c3r8c3|0,r7c4r8c4|12,r7c5r7c6|20,r7c7r8c7r8c8|0,r8c5r8c6", "solution": "731258469924136785856479213375941826248563971619782354567894132193627548482315697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2951, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2952, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-03", "puzzle": "21,r0c3r0c4r0c5|15,r0c6r0c7r0c8|5,r0c0r1c0|5,r0c1r1c1|19,r0c2r1c2r2c2|22,r1c4r1c5r1c6|6,r1c7r1c8|16,r2c0r2c1|4,r1c3r2c3|7,r2c4r2c5|11,r2c7r2c8|14,r3c2r3c3|11,r3c4r3c5|13,r2c6r3c6r4c6|13,r3c7r3c8|8,r3c0r4c0|5,r3c1r4c1|13,r4c3r4c4r4c5|8,r4c7r5c7|13,r4c8r5c8|13,r5c0r5c1|12,r4c2r5c2r6c2|7,r5c3r5c4|11,r5c5r5c6|8,r6c0r6c1|15,r6c3r6c4|15,r6c5r7c5|5,r6c7r6c8|17,r7c0r7c1|10,r7c2r7c3r7c4|15,r6c6r7c6r8c6|15,r7c7r8c7|10,r7c8r8c8|17,r8c0r8c1r8c2|6,r8c3r8c4r8c5", "solution": "135894627428376915976125483249583176613742859587619234352968741891457362764231598", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2952, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2953, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-02-03", "puzzle": "9,r0c0r0c1|15,r0c6r0c7|20,r0c2r0c3r1c2|16,r0c4r0c5r1c4r1c5|10,r1c6r1c7|6,r0c8r1c8|8,r1c0r2c0|4,r1c1r2c1|30,r1c3r2c2r2c3r3c3|6,r2c5r2c6|8,r3c5r3c6|20,r2c7r2c8r3c7r3c8|25,r3c0r4c0r4c1r5c0|22,r4c5r4c6r4c7r4c8|21,r3c1r3c2r4c2r4c3r5c1r5c2|26,r2c4r3c4r4c4r5c4r6c4|12,r5c5r5c6|23,r5c7r5c8r6c7r6c8|7,r6c0r7c0|13,r6c1r7c1|18,r5c3r6c2r6c3r7c3|9,r6c5r6c6|8,r7c2r8c2r8c3|19,r7c4r7c5r8c4r8c5|8,r7c6r7c7|14,r7c8r8c8|17,r8c0r8c1|11,r8c6r8c7", "solution": "549362871238917465617854293924685317783149652156723984365478129471296538892531746", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2953, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2954, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-02-03", "puzzle": 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"0,r0c0r0c1|12,r0c2r0c3|9,r0c5r0c6|0,r0c7r0c8|14,r1c0r1c1r1c2r2c2|8,r0c4r1c4|15,r1c5r1c6r1c7|0,r2c0r2c1|0,r1c3r2c3r3c3|0,r2c4r2c5|0,r2c6r2c7|0,r1c8r2c8r3c8r4c8|0,r3c0r3c1r3c2|19,r3c4r4c4r5c4|0,r3c5r3c6|23,r4c1r4c2r4c3r5c1|0,r3c7r4c5r4c6r4c7|6,r5c2r5c3|12,r5c6r5c7r5c8|21,r4c0r5c0r6c0r7c0|13,r6c1r6c2|0,r6c3r6c4|0,r5c5r6c5r7c5|0,r6c7r6c8|18,r7c1r7c2r7c3|10,r7c4r8c4|0,r6c6r7c6r7c7r7c8|6,r8c0r8c1|11,r8c2r8c3|0,r8c5r8c6|6,r8c7r8c8", "solution": "964812735283675194571439628732594816816723459495186273649251387327948561158367942", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2955, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2956, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-04", "puzzle": 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"18,r0c0r0c1r0c2|14,r0c3r0c4r0c5|13,r0c6r0c7r0c8|5,r1c0r2c0|18,r1c1r1c2r1c3|14,r1c5r1c6r1c7|16,r1c8r2c8|11,r2c1r2c2|12,r1c4r2c4|6,r2c6r2c7|9,r3c1r3c2|9,r2c3r3c3|9,r3c4r4c4|7,r2c5r3c5|13,r3c6r3c7|11,r3c0r4c0|7,r4c2r4c3r5c2|20,r4c5r4c6r5c6|7,r3c8r4c8|12,r4c1r5c1|17,r5c3r5c4r5c5|12,r4c7r5c7|11,r5c0r6c0|11,r6c1r6c2r7c2|12,r6c4r7c4r8c4|14,r6c6r6c7r7c6|10,r5c8r6c8|22,r7c0r7c1r8c0|22,r6c3r7c3r8c3|11,r6c5r7c5r8c5|17,r7c7r7c8r8c8|9,r8c1r8c2|6,r8c6r8c7", "solution": "279158634156734289483692517627385941534219876891476352345921768762843195918567423", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2980, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2981, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-02-09", "puzzle": 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"20,r0c0r0c1r1c0|0,r0c3r0c4r0c5|14,r0c7r0c8|0,r0c2r1c2|14,r1c4r1c5|9,r0c6r1c6r2c6|14,r1c1r2c0r2c1|0,r1c3r2c3r2c4r3c3|0,r1c7r1c8r2c7|10,r2c2r3c2|0,r2c5r3c4r3c5|0,r3c6r3c7|11,r2c8r3c8|0,r4c3r4c4|0,r4c5r4c6r4c7r4c8|34,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|0,r5c2r6c2|11,r5c4r5c5r6c5|14,r5c6r5c7|0,r5c8r6c8|0,r6c0r6c1r7c1|19,r5c3r6c3r6c4r7c3|17,r6c7r7c7r7c8|14,r7c2r8c2|0,r7c4r7c5|0,r6c6r7c6r8c6|12,r7c0r8c0r8c1|23,r8c3r8c4r8c5|0,r8c7r8c8", "solution": "973125468412986357586473219654319782891752634237864591368241975129537846745698123", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2988, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2989, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-11", "puzzle": "12,r0c0r0c1|13,r0c2r0c3r1c2|9,r0c5r0c6|9,r0c7r0c8|14,r1c0r1c1r2c0|12,r1c3r2c3r3c3|12,r0c4r1c4r2c4|17,r1c5r2c5|12,r1c6r1c7|13,r2c1r2c2|5,r2c6r2c7|15,r1c8r2c8|4,r3c4r3c5|19,r3c0r4c0r5c0|13,r3c1r4c1r5c1|16,r4c3r4c4r4c5|15,r3c6r4c6r5c6|9,r3c8r4c8r5c8|13,r3c2r4c2r5c2|13,r5c4r5c5|21,r3c7r4c7r5c7|4,r6c1r6c2|15,r6c6r6c7|12,r6c8r7c8|16,r6c0r7c0r7c1|12,r5c3r6c3r7c3|18,r6c4r7c4r8c4|7,r6c5r7c5|10,r7c6r7c7|8,r8c0r8c1|22,r7c2r8c2r8c3|10,r8c5r8c6|5,r8c7r8c8", "solution": "392765418184329756576148239265831974847952163931476582713284695459613827628597341", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2989, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2990, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-02-11", "puzzle": "16,r0c2r0c3|7,r0c4r0c5|5,r0c6r0c7|19,r0c0r0c1r1c0|10,r1c1r1c2r2c2|17,r0c8r1c8r2c8|7,r2c0r2c1|21,r1c3r1c4r2c3|8,r1c5r2c5|8,r1c6r2c6|15,r1c7r2c7|5,r3c0r3c1|15,r3c2r3c3r4c2|10,r2c4r3c4|14,r3c5r3c6|11,r3c7r3c8|13,r4c0r4c1|19,r4c5r4c6r5c5r5c6|4,r4c7r4c8|11,r4c3r4c4r5c2r5c3|31,r5c7r5c8r6c6r6c7r6c8|13,r5c0r5c1r6c0|22,r6c2r6c3r7c2r7c3|26,r5c4r6c4r6c5r7c4|16,r6c1r7c0r7c1|10,r7c5r7c6|7,r7c7r7c8|16,r8c0r8c1r8c2|29,r8c3r8c4r8c5r8c6r8c7r8c8", "solution": "489716325752943168613825794236189547948257631571364289125698473867431952394572816", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2990, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2991, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-02-11", "puzzle": "12,r0c2r0c3|20,r0c6r0c7r0c8r1c8|19,r0c0r0c1r1c0r2c0|6,r1c1r1c2|8,r0c4r1c4|4,r0c5r1c5|17,r2c1r2c2|24,r1c3r2c3r2c4r2c5|19,r1c6r2c6r3c6|19,r1c7r2c7r2c8r3c7|19,r3c0r3c1r4c0r5c0|12,r3c2r3c3|14,r4c1r4c2r4c3|23,r3c4r3c5r4c4r5c3r5c4|20,r4c5r4c6r4c7|8,r5c5r5c6|17,r3c8r4c8r5c7r5c8|20,r5c1r6c0r6c1r7c1|12,r5c2r6c2r7c2|21,r6c3r6c4r6c5r7c5|8,r6c6r6c7|9,r7c3r8c3|13,r7c4r8c4|11,r7c6r7c7|25,r6c8r7c8r8c7r8c8|22,r7c0r8c0r8c1r8c2|3,r8c5r8c6", "solution": "563921784742863951198547623815736492439218576627495318384179265271654839956382147", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2991, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2997, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-02-12", "puzzle": "0,r0c0r0c1r1c0|11,r0c2r0c3|0,r0c4r0c5|8,r0c6r0c7|5,r1c3r1c4|0,r0c8r1c7r1c8|15,r1c1r2c0r2c1|0,r1c2r2c2|0,r2c3r2c4|15,r1c5r2c5r3c5|11,r1c6r2c6|8,r3c0r3c1r3c2|0,r2c7r3c7|0,r2c8r3c8r4c7r4c8|7,r4c2r5c2|17,r3c3r4c3|0,r4c5r5c5|10,r3c6r4c6|0,r4c0r4c1r5c0r6c0|0,r5c1r6c1|0,r3c4r4c4r5c4|0,r5c6r5c7r5c8|12,r6c2r7c2|0,r5c3r6c3r7c3|0,r6c4r6c5|0,r6c6r7c6|23,r6c7r6c8r7c7|14,r7c0r7c1r8c0|0,r7c4r7c5|0,r8c1r8c2|15,r8c3r8c4|13,r8c5r8c6|8,r7c8r8c7r8c8", "solution": "436589172789142356521736849143927685972865413865413927654371298398254761217698534", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2997, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2995, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-02-12", "puzzle": "16,r0c3r0c4|19,r0c6r0c7r0c8|25,r0c0r0c1r0c2r1c0r1c1r1c2|14,r0c5r1c4r1c5|7,r1c7r1c8|15,r1c3r2c3r3c3|7,r2c4r2c5|8,r1c6r2c6|11,r2c7r2c8|15,r2c0r3c0r3c1|14,r2c1r2c2r3c2|17,r3c4r3c5|11,r4c0r5c0|13,r4c1r5c1|12,r4c2r5c2|10,r4c3r4c4r4c5|13,r3c6r4c6|13,r3c7r4c7|5,r3c8r4c8|9,r5c3r5c4|14,r5c6r6c6r6c7|13,r5c7r5c8r6c8|6,r6c0r6c1|12,r6c2r7c2|11,r6c3r6c4|15,r5c5r6c5r7c5|13,r7c0r7c1|14,r7c3r7c4r8c3|32,r7c6r7c7r7c8r8c6r8c7r8c8|14,r8c0r8c1r8c2|7,r8c4r8c5", "solution": "342971685196258734785643129531789462268514973974362851429836517853197246617425398", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2995, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2998, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-02-12", "puzzle": "10,r0c1r0c2|0,r0c4r0c5|14,r0c7r0c8|0,r0c0r1c0|0,r1c1r1c2|12,r0c3r1c3|0,r1c4r1c5|30,r0c6r1c6r1c7r1c8r2c7r2c8|15,r2c1r2c2|11,r2c3r2c4r3c3|8,r2c5r2c6|12,r2c0r3c0|8,r3c1r3c2|20,r3c4r3c5r3c6|5,r4c0r5c0|23,r4c1r4c2r5c1|0,r4c3r4c4r4c5|17,r3c7r4c6r4c7|0,r3c8r4c8|0,r5c2r5c3r5c4|6,r5c6r5c7|0,r5c8r6c8|0,r6c2r6c3|17,r5c5r6c4r6c5|0,r6c6r6c7|0,r6c0r6c1r7c0r7c1r7c2r8c2|0,r7c3r7c4|0,r7c5r8c5|0,r7c6r7c7|0,r7c8r8c8|7,r8c0r8c1|11,r8c3r8c4|0,r8c6r8c7", "solution": "537921486142368579869547123471259638286734951395816247954683712723195864618472395", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2998, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2994, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-12", "puzzle": "15,r0c0r0c1r0c2|13,r0c3r0c4r0c5|17,r0c6r0c7r0c8|13,r1c1r1c2|18,r1c3r1c4r1c5|4,r1c6r1c7|5,r1c0r2c0|13,r2c1r2c2r2c3|13,r2c5r2c6r2c7|17,r1c8r2c8|13,r3c0r3c1|14,r2c4r3c4r4c4|13,r3c7r3c8|4,r3c2r4c2|16,r3c3r4c3|9,r3c5r4c5|11,r3c6r4c6|13,r4c0r5c0|9,r4c1r5c1|13,r4c7r5c7|4,r4c8r5c8|15,r6c0r6c1|11,r5c2r6c2|12,r5c3r6c3|11,r5c5r6c5|11,r5c6r6c6|3,r6c7r6c8|4,r7c0r7c1|16,r7c2r7c3r8c2|14,r5c4r6c4r7c4|18,r7c5r7c6r8c6|9,r7c7r7c8|11,r8c0r8c1|8,r8c3r8c4r8c5|15,r8c7r8c8", "solution": "519382674267549138384176529853914267421765983976823451695438712132697845748251396", "extra": "{\"grid_size\": 9, \"puzzle_number\": 2994, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 2996, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-02-12", "puzzle": 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"17,r0c2r0c3r1c3r2c3|7,r0c4r0c5|12,r0c6r0c7|19,r0c0r0c1r1c0|7,r1c6r1c7|11,r0c8r1c8|25,r1c1r1c2r2c0r2c1r2c2|16,r1c4r2c4|14,r1c5r2c5r3c5|22,r3c0r3c1r3c2r3c3r4c2|16,r2c6r3c6|11,r2c7r2c8r3c7|18,r4c0r4c1r5c0|19,r3c4r4c3r4c4r4c5r5c4|19,r3c8r4c7r4c8|15,r5c1r6c0r6c1|13,r5c2r6c2|16,r4c6r5c5r5c6r5c7r5c8|12,r5c3r6c3r7c3|5,r6c4r7c4|25,r6c6r6c7r6c8r7c6r7c7|7,r7c0r8c0|14,r7c1r7c2|17,r7c8r8c7r8c8|10,r8c1r8c2|13,r8c3r8c4|25,r6c5r7c5r8c5r8c6", "solution": "691243578472895163853671924134968752725314689986752431347126895568439217219587346", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3005, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3006, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-02-14", "puzzle": 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"0,r0c0r0c1r0c2|22,r0c3r0c4r1c3r1c4|15,r0c6r0c7|0,r1c0r1c1r2c0|11,r0c5r1c5|0,r0c8r1c8|0,r1c2r2c2|0,r2c4r2c5|0,r1c6r1c7r2c6|0,r2c1r3c1|13,r2c3r3c3|0,r3c5r3c6|0,r2c7r3c7r4c7|9,r2c8r3c8|10,r3c0r4c0|0,r3c2r4c2|25,r3c4r4c3r4c4r4c5r5c4|12,r4c6r5c6|0,r4c8r5c8|5,r5c0r6c0|0,r4c1r5c1r6c1|7,r5c2r5c3|13,r5c5r6c5|16,r5c7r6c7|0,r6c2r7c1r7c2|0,r6c3r6c4|0,r6c6r7c6|0,r7c0r8c0|0,r7c3r8c3|0,r6c8r7c7r7c8|17,r8c1r8c2|28,r7c4r7c5r8c4r8c5|7,r8c6r8c7r8c8", "solution": "624153789513978264897624513158742936976831425342596871235417698461289357789365142", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3007, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3009, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-15", "puzzle": 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"11,r0c1r0c2r1c1r1c2|8,r0c4r0c5|15,r0c0r1c0|21,r0c3r1c3r1c4|11,r0c6r1c5r1c6|13,r0c7r1c7|19,r2c0r2c1r2c2|22,r2c3r2c4r3c3r3c4|10,r2c6r2c7|13,r3c0r3c1|9,r4c0r4c1|4,r4c3r4c4|33,r3c6r3c7r4c6r4c7r5c6r5c7|7,r5c0r5c1|16,r3c2r4c2r5c2|25,r2c5r3c5r4c5r5c5r6c5|13,r6c0r6c1r6c2|22,r5c3r5c4r6c3r6c4|12,r6c6r6c7|10,r7c0r8c0|13,r7c3r7c4r8c3|18,r7c5r7c6r8c6|3,r7c7r8c7|45,r0c8r1c8r2c8r3c8r4c8r5c8r6c8r7c8r8c8|22,r7c1r7c2r8c1r8c2|10,r8c4r8c5", "solution": "932471568615892473478563192581924637726135984349786251193257846257648319864319725", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3016, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3019, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-17", "puzzle": "17,r0c1r0c2r0c3|13,r0c4r0c5r0c6|9,r0c7r0c8|13,r0c0r1c0r1c1|12,r1c2r2c2|10,r1c5r2c5|10,r2c0r2c1|15,r1c3r1c4r2c3|12,r1c6r2c6r3c6|11,r1c7r2c7|16,r1c8r2c8|10,r3c2r3c3r4c2|11,r2c4r3c4r3c5|24,r3c0r4c0r5c0|12,r3c1r4c1r5c1|11,r4c3r4c4r4c5|16,r3c7r4c7r5c7|13,r3c8r4c8r5c8|20,r5c3r5c4r6c4|16,r4c6r5c5r5c6|6,r6c0r7c0|11,r6c1r7c1|11,r5c2r6c2r7c2|21,r6c5r7c4r7c5|8,r6c7r6c8|5,r6c3r7c3|17,r6c6r7c6|15,r7c7r7c8r8c8|13,r8c0r8c1|21,r8c2r8c3r8c4|6,r8c5r8c6r8c7", "solution": "619738254258194637374526189721463598945812763863975412536249871182357946497681325", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3019, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3020, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-02-17", "puzzle": "9,r0c3r0c4|9,r0c7r0c8|14,r0c0r0c1r1c0r1c1|19,r0c2r1c2r2c2|8,r0c5r1c5|16,r0c6r1c6|12,r2c0r2c1|18,r1c3r1c4r2c3|16,r2c4r2c5r2c6|14,r1c7r1c8r2c7r2c8|10,r3c2r3c3|9,r3c4r3c5|16,r3c0r4c0r5c0|23,r4c2r4c3r4c4r4c5|11,r4c6r4c7|13,r3c1r4c1r5c1|9,r5c2r5c3|10,r5c4r5c5|34,r3c6r3c7r3c8r4c8r5c6r5c7r5c8|10,r6c0r6c1|13,r6c3r7c3r7c4|20,r6c4r6c5r6c6|21,r6c7r6c8r7c7r7c8|25,r7c0r7c1r8c0r8c1|10,r6c2r7c2r8c2|7,r7c5r8c5|4,r7c6r8c6|13,r8c3r8c4|12,r8c7r8c8", "solution": "816723945239645718574819632351972486467538291928164573193257864745386129682491357", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3020, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3021, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-02-17", "puzzle": "25,r0c0r0c1r0c2r1c0r1c1|27,r0c3r0c4r1c2r1c3r2c2|26,r0c5r0c6r0c7r0c8|10,r1c4r1c5|12,r2c0r2c1r3c0|21,r2c3r2c4r2c5r3c4|16,r1c6r1c7r1c8r2c6|20,r3c2r3c3r4c3|9,r3c5r3c6|18,r2c7r2c8r3c7r3c8|13,r3c1r4c0r4c1|11,r4c4r4c5|12,r5c0r5c1|14,r4c2r5c2r6c2r7c2|7,r5c3r5c4|10,r4c6r5c6|33,r4c7r4c8r5c7r5c8r6c8|9,r6c0r6c1|11,r6c3r7c3|23,r5c5r6c4r6c5r7c4r7c5|29,r6c6r6c7r7c6r8c6r8c7r8c8|7,r7c7r7c8|26,r7c0r7c1r8c0r8c1|12,r8c2r8c3|4,r8c4r8c5", "solution": "127456398963728451458139627319687245846592173572341986635274819281965734794813562", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3021, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3024, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-18", "puzzle": "19,r0c3r0c4r0c5|3,r0c0r1c0|15,r0c1r1c1|9,r0c2r1c2|15,r1c3r1c4r1c5|10,r0c6r1c6|8,r0c7r1c7|11,r0c8r1c8|14,r2c1r2c2|15,r2c4r3c4r4c4|10,r2c6r2c7|12,r2c0r3c0r3c1|7,r2c3r3c3|8,r2c5r3c5|15,r2c8r3c7r3c8|17,r3c2r4c2|9,r3c6r4c6|18,r4c0r5c0r6c0|10,r4c1r5c1r5c2|3,r4c3r5c3|12,r5c4r6c4|15,r4c5r5c5|16,r4c7r5c6r5c7|16,r4c8r5c8r6c8|11,r6c1r6c2r6c3|17,r6c5r6c6r6c7|15,r7c0r7c1|7,r7c4r8c4|7,r7c7r7c8|9,r8c0r8c1|9,r7c2r8c2|14,r7c3r8c3|11,r7c5r8c5|15,r7c6r8c6|3,r8c7r8c8", "solution": "283694157176825934495371286629437518318256479754189362831742695962518743547963821", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3024, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3026, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-02-18", "puzzle": "29,r0c0r0c1r0c2r0c3r1c1r1c2|8,r0c5r0c6|27,r0c4r1c3r1c4r1c5r2c4r2c5|19,r0c7r0c8r1c6r1c7|20,r1c0r2c0r2c1|11,r2c2r2c3|7,r2c6r2c7|19,r1c8r2c8r3c8|35,r3c2r3c3r3c4r4c4r5c4r5c5r5c6|17,r3c6r3c7|15,r3c0r3c1r4c0r4c1|11,r4c2r4c3r5c3|13,r3c5r4c5r4c6|19,r4c7r4c8r5c7r5c8|12,r5c1r5c2|17,r5c0r6c0r7c0|11,r6c1r6c2|12,r6c5r6c6|16,r6c7r6c8r7c8|20,r7c1r7c2r8c0r8c1|24,r6c3r6c4r7c3r7c4r7c5r8c4|12,r8c2r8c3|31,r7c6r7c7r8c5r8c6r8c7r8c8", "solution": "148623597937584216562971438714362985256198374893457162629815743371246859485739621", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3026, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3025, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-02-18", "puzzle": "17,r0c3r0c4r0c5|12,r0c0r1c0|6,r0c1r1c1|25,r0c2r1c2r1c3r2c3r3c3|22,r0c6r1c5r1c6r2c5r3c5|13,r0c7r1c7|3,r0c8r1c8|22,r2c0r2c1r3c0r4c0|23,r2c7r2c8r3c8r4c8|10,r2c2r3c1r3c2|20,r1c4r2c4r3c4r4c4|20,r2c6r3c6r3c7|24,r4c1r4c2r4c3|8,r4c5r4c6r4c7|7,r5c0r5c1|18,r5c3r5c4r5c5|9,r5c7r5c8|4,r6c0r6c1|13,r5c2r6c2|31,r6c3r6c4r6c5r7c3r7c4r7c5|11,r5c6r6c6|13,r6c7r6c8|17,r7c0r7c1|6,r7c7r7c8|13,r8c0r8c1|7,r7c2r8c2|14,r8c3r8c4r8c5|4,r7c6r8c6|13,r8c7r8c8", "solution": "816395742453782691297164853621843579578921436349576218134258967985637124762419385", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3025, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3027, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-02-18", "puzzle": "13,r0c0r0c1|13,r0c7r0c8|0,r1c0r1c1|16,r0c2r1c2|0,r0c3r1c3|20,r0c4r1c4r2c4r3c4|0,r0c5r1c5|6,r0c6r1c6|14,r1c7r1c8|0,r2c2r2c3|13,r2c5r2c6|7,r2c0r3c0|0,r2c1r3c1|0,r3c2r3c3|11,r3c5r3c6|0,r2c7r3c7|3,r2c8r3c8|0,r4c1r4c2r5c1r6c1|0,r4c3r4c4r4c5|17,r4c6r4c7r5c7r6c7|0,r4c0r5c0r6c0|0,r5c2r5c3|0,r5c5r5c6|20,r4c8r5c8r6c8|0,r6c2r6c3r7c2|0,r5c4r6c4|20,r6c5r6c6r7c6|0,r7c0r7c1r8c0r8c1|0,r7c3r7c4r7c5r8c4|0,r7c7r7c8r8c7r8c8|8,r8c2r8c3|0,r8c5r8c6", "solution": "859312467317846295264795831541968372923571648786423159695184723438257916172639584", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3027, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3030, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-02-19", "puzzle": "17,r0c0r0c1|14,r0c2r0c3r0c4r1c4|18,r0c5r0c6r1c5r1c6|15,r0c7r0c8r1c8|14,r1c0r1c1r2c1|5,r1c3r2c3|23,r2c4r2c5r2c6|18,r1c7r2c7r2c8|13,r2c0r3c0|26,r1c2r2c2r3c2r3c3r3c4|3,r4c0r5c0|14,r3c1r4c1r5c1|11,r4c2r5c2|4,r3c6r4c6|20,r3c7r4c7r5c7|8,r3c8r4c8|30,r3c5r4c3r4c4r4c5r5c3|24,r5c4r5c5r5c6r6c6r7c6|11,r5c8r6c8|18,r6c0r6c1r7c1|13,r6c2r6c3r6c4|9,r6c5r7c5|7,r6c7r7c7r7c8|11,r7c0r8c0r8c1|22,r7c2r7c3r8c2r8c3|26,r7c4r8c4r8c5r8c6|11,r8c7r8c8", "solution": "983647251762315489514289637839564172175892346246731598497156823658923714321478965", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3030, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3029, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-19", "puzzle": "15,r0c0r0c1r0c2|19,r0c6r0c7r0c8|17,r1c0r1c1r2c1|12,r1c2r2c2|7,r0c3r1c3|15,r0c4r1c4|6,r0c5r1c5|11,r1c7r1c8|11,r2c3r2c4|8,r1c6r2c6|15,r2c7r2c8r3c8|7,r2c0r3c0r4c0|12,r3c1r3c2r3c3|11,r2c5r3c4r3c5|21,r3c6r3c7r4c6|14,r4c4r4c5|5,r4c7r4c8|20,r4c1r5c0r5c1|12,r4c2r5c2|14,r4c3r5c3r5c4|9,r5c6r5c7|6,r6c0r6c1|11,r6c3r6c4|16,r5c5r6c5|9,r5c8r6c8|17,r6c2r7c1r7c2|10,r7c4r7c5r8c4|6,r6c6r7c6|15,r6c7r7c7r7c8|10,r7c0r8c0|12,r8c1r8c2|13,r7c3r8c3|5,r8c5r8c6|14,r8c7r8c8", "solution": "924371856637485129185296743461523978273968514859147632512839467396754281748612395", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3029, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3031, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-02-19", "puzzle": 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"12,r0c0r0c1r1c0|12,r0c2r0c3r1c2|18,r0c5r0c6r1c6|9,r0c7r0c8r1c8|16,r1c1r2c1|9,r1c3r2c3|13,r1c5r2c5|17,r1c7r2c7|6,r2c0r3c0|12,r2c2r3c2|13,r2c6r3c6|14,r2c8r3c8|14,r3c1r4c1|5,r3c3r4c3|20,r0c4r1c4r2c4r3c4r4c4|9,r3c5r4c5|11,r3c7r4c7|17,r4c0r5c0r5c1|19,r4c2r5c2r5c3r6c3|14,r4c6r5c5r5c6r6c5|13,r4c8r5c7r5c8|12,r6c0r6c1r7c0|10,r5c4r6c4|11,r6c7r6c8r7c8|22,r6c2r7c1r7c2r8c2|17,r7c3r7c4r7c5|23,r6c6r7c6r7c7r8c6|11,r8c0r8c1|15,r8c3r8c4r8c5|11,r8c7r8c8", "solution": "816249735394675281275318496467132958981457362532986174659724813128593647743861529", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3040, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3043, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-22", "puzzle": "20,r0c0r0c1r1c0|12,r0c2r0c3|3,r0c5r0c6|10,r1c1r1c2r1c3|18,r0c4r1c4r2c4|16,r1c5r1c6r2c5|7,r0c7r1c7|23,r0c8r1c8r2c8|15,r2c2r2c3r3c2|9,r2c0r3c0|11,r2c1r3c1|15,r3c3r3c4r3c5|10,r2c6r3c6|7,r2c7r3c7|13,r4c3r4c4r5c3|7,r4c5r4c6r4c7|11,r3c8r4c8|9,r4c0r5c0|9,r4c1r5c1|19,r4c2r5c2r6c2|21,r5c4r5c5r5c6|11,r6c0r6c1|3,r6c3r6c4|22,r5c7r5c8r6c7|13,r7c1r7c2r8c2|10,r6c5r7c5|20,r6c6r7c6r7c7|12,r7c0r8c0r8c1|15,r7c3r7c4r8c3|17,r8c4r8c5|11,r8c6r8c7|6,r6c8r7c8r8c8", "solution": "945761238716382549823549716197825364568934127432176895659217483284653971371498652", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3043, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3041, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-02-21", "puzzle": "13,r0c2r0c3r0c4|14,r0c0r1c0r2c0|22,r0c1r1c1r1c2r2c1|6,r0c5r1c5|12,r0c6r1c6|17,r0c7r0c8r1c7r1c8|9,r1c3r2c3|17,r1c4r2c4|12,r2c7r2c8|17,r3c0r3c1r4c0|12,r2c2r3c2r4c2|22,r2c5r2c6r3c5r3c6|7,r3c7r3c8|33,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|12,r4c6r4c7|7,r4c1r5c1|6,r5c6r5c7|16,r4c8r5c8r6c8|10,r5c0r6c0|33,r5c2r5c3r6c1r6c2r6c3r7c2|18,r6c4r6c5r6c6|20,r7c0r7c1r8c0r8c1|10,r7c3r7c4|15,r7c5r8c4r8c5|23,r6c7r7c6r7c7r7c8|10,r8c2r8c3|12,r8c6r8c7r8c8", "solution": "397241568648395721512687493974523816126874935853916247281739654735462189469158372", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3041, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3042, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-02-21", "puzzle": "0,r0c0r0c1r0c2|0,r0c6r0c7r0c8|17,r1c1r1c2r2c2|9,r0c3r1c3|16,r0c4r1c4|7,r0c5r1c5|0,r1c6r1c7r2c6|0,r1c0r2c0r2c1|0,r1c8r2c7r2c8|0,r3c1r3c2r4c1|0,r2c3r3c3|9,r2c4r3c4|0,r2c5r3c5|0,r3c6r3c7r4c7|15,r3c0r4c0r5c0|15,r4c3r4c4r4c5|20,r3c8r4c8r5c8|0,r4c2r5c2|28,r5c3r5c4r5c5r6c3r6c4r6c5|0,r4c6r5c6|0,r5c1r6c1|8,r5c7r6c7|14,r6c0r7c0r7c1|0,r6c2r7c2|36,r7c3r7c4r7c5r8c3r8c4r8c5|17,r6c6r7c6|15,r6c8r7c7r7c8|19,r8c0r8c1r8c2|0,r8c6r8c7r8c8", "solution": "385172496426895317719364582857236149643519728192487653974621835231758964568943271", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3042, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3044, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-02-22", "puzzle": "21,r0c4r0c5r0c6|16,r0c7r0c8r1c8|7,r0c0r1c0|21,r0c1r0c2r1c1r1c2r2c2|9,r0c3r1c3|9,r1c4r1c5|23,r2c3r2c4r2c5r3c3|10,r1c6r2c6|11,r1c7r2c7r3c7|20,r2c0r3c0r4c0|13,r2c1r3c1r4c1|13,r2c8r3c8|11,r3c2r4c2|21,r4c3r5c2r5c3|12,r3c4r4c4r5c4|12,r3c5r3c6r4c5|3,r4c6r5c6|9,r5c0r6c0|23,r4c7r5c7r6c7|10,r4c8r5c8r6c8|12,r5c1r6c1r7c1|11,r6c2r7c2|22,r5c5r6c3r6c4r6c5|3,r7c3r7c4|15,r7c5r8c5|27,r6c6r7c6r7c7r8c6r8c7|11,r7c8r8c8|18,r7c0r8c0r8c1|12,r8c2r8c3r8c4", "solution": "367194852451872639982635417548921376613748295729563184235487961876219543194356728", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3044, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3045, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-02-22", "puzzle": "35,r0c0r0c1r0c2r1c0r1c1r2c0|8,r0c7r0c8|12,r0c3r1c2r1c3|10,r0c4r0c5r1c4|16,r0c6r1c5r1c6|19,r1c7r2c7r3c7|15,r1c8r2c8|16,r2c1r3c0r3c1|17,r2c2r2c3r3c2r3c3|25,r2c4r2c5r3c4r3c5|6,r2c6r3c6|10,r4c0r4c1r5c0|16,r4c2r4c3r5c2r5c3|18,r4c4r4c5r5c4|15,r4c6r4c7|5,r3c8r4c8|8,r5c7r5c8|16,r5c1r6c0r6c1|15,r6c2r6c3|14,r5c5r5c6r6c5|21,r7c1r7c2r7c3|9,r6c4r7c4|26,r6c6r6c7r6c8r7c6r7c7r8c6|13,r7c0r8c0|4,r8c1r8c2|12,r8c3r8c4|5,r7c5r8c5|19,r7c8r8c7r8c8", "solution": "879461235261735948354298167748326591632159874195847326526984713987613452413572689", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3045, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3047, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-02-22", "puzzle": "0,r0c0r0c1r1c0r1c1|15,r0c3r0c4|7,r0c5r0c6|0,r0c2r1c2|9,r1c4r1c5|0,r0c7r1c6r1c7r2c6|14,r0c8r1c8|0,r2c1r2c2r3c1|3,r1c3r2c3|0,r2c7r2c8|0,r2c0r3c0r4c0|28,r2c4r3c4r4c4r5c4r6c4|13,r2c5r3c5|0,r4c1r5c0r5c1|0,r3c2r4c2r5c2|0,r3c3r4c3|8,r4c5r5c5|19,r3c6r4c6r5c6|0,r3c7r3c8r4c7|0,r5c3r6c3|11,r4c8r5c8r6c8|0,r6c0r6c1|16,r6c5r7c5|0,r5c7r6c6r6c7|12,r7c0r8c0|20,r6c2r7c1r7c2r8c1|8,r7c3r7c4|8,r7c6r8c6|0,r8c2r8c3|0,r8c4r8c5|26,r7c7r7c8r8c7r8c8", "solution": "527963418189254376436178592273815964815496237694732851741589623358627149962341785", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3047, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3048, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-23", "puzzle": 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"6,r0c0r0c1|14,r0c2r0c3r1c3|10,r0c5r0c6|11,r0c7r0c8|15,r1c1r1c2|11,r0c4r1c4|13,r1c5r1c6|9,r1c7r1c8|18,r1c0r2c0r3c0r4c0|17,r2c2r2c3r3c2|18,r2c4r2c5r2c6r2c7r2c8|12,r2c1r3c1|7,r3c5r3c6r4c6|8,r3c7r4c7|9,r4c1r4c2|18,r3c3r3c4r4c3|17,r4c4r4c5|12,r3c8r4c8|15,r5c0r5c1r6c0|8,r5c3r5c4r6c3|9,r5c5r5c6|17,r5c2r6c1r6c2|12,r6c4r6c5r7c4|15,r5c7r6c7|17,r5c8r6c8r7c8|21,r7c0r7c1r8c0r8c1|19,r7c2r7c3r8c2r8c3|9,r6c6r7c6|19,r7c5r8c4r8c5|19,r7c7r8c6r8c7r8c8", "solution": "425671983169348572837925416391764258672589134584132769258416397943857621716293845", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3049, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3050, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-02-23", "puzzle": "13,r0c1r0c2|14,r0c6r0c7r0c8r1c6|3,r0c0r1c0|13,r1c1r1c2|25,r0c3r0c4r1c3r1c4|5,r0c5r1c5|13,r2c0r2c1|17,r1c7r2c7r3c7|15,r1c8r2c8|28,r2c2r2c3r2c4r3c2r3c3r3c4|9,r2c5r3c5|17,r2c6r3c6r4c6|20,r3c0r4c0r5c0|5,r3c1r4c1|18,r4c3r4c4r4c5|5,r4c7r5c7|17,r3c8r4c8r5c8|23,r4c2r5c2r6c2|10,r5c3r6c3|30,r5c4r5c5r5c6r6c4r6c5r6c6|9,r6c0r7c0|15,r5c1r6c1r7c1|3,r6c7r6c8|10,r7c3r8c3|15,r7c4r7c5r8c4r8c5|13,r7c6r7c7|9,r7c8r8c8|14,r7c2r8c0r8c1r8c2|17,r8c6r8c7", "solution": "185972463267453198943168257724591836539684712816327549658749321392815674471236985", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3050, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3053, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-24", "puzzle": "12,r0c3r0c4|6,r0c5r0c6|14,r0c0r0c1r1c0|22,r0c2r1c1r1c2|17,r1c6r2c6|11,r0c7r0c8r1c7|9,r2c0r2c1r2c2|12,r1c3r2c3|7,r1c4r2c4|10,r1c5r2c5|15,r1c8r2c7r2c8|19,r3c2r3c3r3c4|9,r3c5r3c6|19,r3c0r4c0r5c0|14,r3c1r4c1r5c1|12,r4c2r4c3|10,r4c4r4c5r4c6|14,r3c7r4c7r5c7|23,r3c8r4c8r5c8|11,r5c2r5c3r5c4|4,r5c5r5c6|21,r6c0r6c1r6c2|3,r6c3r7c3|12,r6c4r7c4|10,r6c5r7c5|13,r6c7r6c8r7c8|11,r7c0r8c0r8c1|13,r7c1r7c2r8c2|11,r6c6r7c6|14,r7c7r8c7r8c8|11,r8c3r8c4|16,r8c5r8c6", "solution": "586394217197562834432718965813975426274836159965421378759143682641287593328659741", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3053, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3054, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-02-24", "puzzle": 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"5,r0c7r0c8|33,r0c0r0c1r0c2r1c0r1c1|22,r0c3r0c4r1c3r2c3|16,r0c5r1c4r1c5|17,r0c6r1c6r1c7r2c6|18,r2c0r2c1r3c0r3c1|3,r1c2r2c2|23,r1c8r2c7r2c8|14,r3c2r3c3|11,r2c4r3c4|4,r2c5r3c5|10,r3c6r3c7|19,r4c0r4c1r4c2r5c0|13,r4c3r4c4r4c5|20,r3c8r4c6r4c7r4c8|9,r5c1r5c2|4,r5c3r6c3|10,r5c4r6c4|14,r5c5r5c6|17,r6c0r6c1r7c0|6,r6c6r7c6|24,r5c7r5c8r6c7r6c8|17,r6c2r7c1r7c2r8c2|20,r7c3r7c4r8c3|21,r6c5r7c5r8c4r8c5|24,r7c7r7c8r8c6r8c7r8c8|11,r8c0r8c1", "solution": "637829541981534726452761398728653914196247853345198672874315269213976485569482137", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3055, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3056, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-02-24", "puzzle": "9,r0c0r0c1|12,r0c2r0c3|0,r0c4r0c5r1c4r1c5|22,r0c6r0c7r1c6r1c7|0,r0c8r1c8|0,r1c0r1c1r1c2r2c0r2c2|0,r1c3r2c3r3c3r4c3|0,r2c6r2c7r2c8|0,r2c1r3c1r4c1|4,r2c4r3c4|0,r2c5r3c5r3c6|0,r3c7r3c8r4c8r5c8|16,r3c0r4c0|5,r3c2r4c2|22,r4c4r4c5r5c4|11,r4c6r4c7|0,r5c0r5c1|0,r5c6r5c7r6c6|15,r6c0r6c1|12,r5c2r6c2|7,r5c3r6c3|7,r5c5r6c5r7c5|0,r6c7r6c8r7c7|0,r6c4r7c3r7c4|0,r7c0r7c1r7c2r8c0|13,r8c1r8c2r8c3|12,r8c4r8c5|0,r7c6r8c6r8c7|13,r7c8r8c8", "solution": "279365184431928765586417239952736841743189652168254973694571328317842596825693417", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3056, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3057, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-02-24", "puzzle": "22,r0c0r0c1r0c2r0c3|13,r0c5r0c6|0,r0c7r0c8r1c8|18,r0c4r1c4r1c5|0,r1c0r1c1r2c0r2c1|14,r1c2r1c3r2c2|0,r2c4r2c5|0,r1c6r1c7r2c6|5,r2c3r3c3|0,r3c4r3c5|0,r2c7r3c7|0,r2c8r3c8|0,r3c0r4c0|0,r3c1r3c2r4c1|0,r4c2r5c2|16,r4c3r4c4r4c5|13,r3c6r4c6|0,r4c7r5c6r5c7|0,r4c8r5c8|11,r5c0r6c0|7,r5c1r6c1|4,r5c3r5c4|0,r5c5r6c5|9,r6c2r7c1r7c2|11,r6c3r6c4|0,r6c6r7c5r7c6|26,r6c7r6c8r7c7r7c8|15,r7c3r7c4r8c4|0,r7c0r8c0r8c1|3,r8c2r8c3|23,r8c5r8c6r8c7r8c8", "solution": "285764931416593278793182654169478523347925816528316749652831497934657182871249365", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3057, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3058, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-25", "puzzle": "14,r0c1r0c2|19,r0c3r0c4r0c5|8,r0c6r0c7r1c6|9,r0c0r1c0r2c0|11,r1c3r1c4r1c5|11,r0c8r1c8|19,r1c1r1c2r2c1|9,r2c2r2c3r2c4|13,r1c7r2c7|16,r3c0r3c1r4c0|21,r3c2r3c3r3c4|16,r2c5r3c5r4c5|21,r2c6r3c6r4c6|12,r2c8r3c7r3c8|9,r4c3r4c4r5c3|8,r4c7r4c8|10,r4c1r5c0r5c1|13,r4c2r5c2|22,r5c4r5c5r5c6|8,r6c1r6c2|17,r6c3r6c4|9,r6c6r7c6|13,r5c7r6c7|4,r5c8r6c8|22,r6c0r7c0r7c1|10,r7c2r7c3|6,r6c5r7c5|8,r8c0r8c1r8c2|12,r7c4r8c3r8c4|9,r8c5r8c6|13,r7c7r8c7|13,r7c8r8c8", "solution": "695748132178623459243159786356871924829436517714295863562984371987312645431567298", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3058, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3059, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-02-25", "puzzle": "14,r0c0r0c1r1c0r1c1|14,r0c2r0c3|14,r0c4r0c5|14,r0c6r0c7r1c6|17,r1c2r1c3|5,r0c8r1c8|13,r1c4r1c5r2c4|7,r2c5r2c6|12,r1c7r2c7|10,r2c0r3c0|14,r2c1r2c2r2c3r3c1|9,r3c2r3c3|13,r3c6r3c7|17,r2c8r3c8|24,r4c0r4c1r4c2|9,r4c6r4c7r4c8|6,r5c0r6c0|11,r5c1r5c2|29,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|12,r5c5r5c6|22,r5c7r6c5r6c6r6c7|9,r5c8r6c8|16,r6c1r7c1|5,r6c2r6c3|12,r6c4r7c3r7c4|10,r7c0r8c0|17,r7c5r7c6|13,r7c2r8c1r8c2|16,r8c3r8c4|6,r8c5r8c6|15,r7c7r7c8r8c7r8c8", "solution": "438695271619827534725341698342716859987534126156289347591463782274158963863972415", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3059, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3060, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-02-25", "puzzle": "27,r0c0r0c1r1c0r1c1r2c0r3c0|12,r0c2r0c3r1c2|9,r0c6r0c7|45,r0c4r1c4r2c4r3c4r4c4r5c4r6c4r7c4r8c4|13,r0c5r1c5|35,r1c6r1c7r2c6r2c7r3c6r3c7|12,r0c8r1c8|25,r1c3r2c3r3c3r4c3|13,r2c1r3c1|12,r2c2r3c2r4c2|6,r2c5r3c5|7,r2c8r3c8|5,r4c0r4c1|16,r4c7r4c8|14,r5c0r6c0|7,r5c3r6c3|16,r4c6r5c6r6c6|3,r5c7r6c7|23,r4c5r5c5r6c5r7c5|16,r7c0r8c0|26,r5c1r5c2r6c1r6c2r7c1r7c2|11,r7c3r8c3|12,r8c1r8c2|13,r7c6r8c5r8c6|27,r5c8r6c8r7c7r7c8r8c7r8c8", "solution": "174295638296138754583764291357912486412856379869347512631479825725681943948523167", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3060, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3061, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-02-25", "puzzle": "26,r0c0r0c1r0c2r0c3r1c2|24,r0c5r0c6r0c7r0c8r1c6|0,r1c0r1c1r2c0r3c0|19,r0c4r1c3r1c4r1c5|28,r1c7r1c8r2c8r3c8|14,r2c1r2c2|0,r2c3r2c4r2c5|5,r2c6r2c7|11,r3c2r3c3r4c3|16,r3c5r3c6r4c5|0,r3c1r4c1r4c2|0,r3c4r4c4|0,r3c7r4c6r4c7|0,r4c0r5c0|0,r5c2r5c3|0,r5c5r5c6|3,r4c8r5c8|0,r5c1r6c1|0,r6c2r6c3|3,r5c4r6c4|0,r6c5r6c6|0,r5c7r6c7|0,r6c0r7c0r7c1|5,r7c2r7c3|9,r7c5r7c6|20,r6c8r7c7r7c8|0,r8c0r8c1|0,r8c2r8c3|11,r7c4r8c4|3,r8c5r8c6|12,r8c7r8c8", "solution": "459178326137246589286935417612397854745681932893524761368719245921453678574862193", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3061, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3063, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-02-26", "puzzle": "10,r0c0r0c1|12,r0c2r0c3r1c2|13,r0c4r0c5|11,r0c6r0c7r0c8|9,r1c0r1c1|9,r1c4r1c5|10,r2c0r2c1|19,r1c3r2c2r2c3|6,r1c6r2c5r2c6|17,r1c7r2c7|12,r1c8r2c8|11,r3c2r3c3r4c2|11,r2c4r3c4|15,r3c5r3c6|16,r3c0r4c0r5c0|15,r3c1r4c1r5c1|16,r4c3r4c4r4c5|11,r3c7r4c7r5c7|14,r3c8r4c8r5c8|11,r5c2r5c3|15,r5c4r6c4|16,r4c6r5c5r5c6|4,r6c0r7c0|16,r6c1r7c1|16,r6c2r6c3r7c2|19,r6c5r6c6r7c5|8,r6c7r6c8|7,r7c3r7c4|10,r7c7r7c8|15,r8c0r8c1r8c2|4,r8c3r8c4|16,r7c6r8c5r8c6|11,r8c7r8c8", "solution": "739285461451936287826471395583149672267853914914762538172694853398527146645318729", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3063, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3064, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-02-26", "puzzle": 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"10,r0c2r0c3r0c4r1c2|19,r0c6r0c7r0c8|8,r0c0r1c0|0,r0c1r1c1r2c1r3c1|23,r1c3r1c4r2c3r2c4|0,r0c5r1c5|14,r1c6r2c6|0,r1c7r2c7|4,r1c8r2c8|15,r2c0r3c0|27,r2c2r3c2r3c3r4c2r4c3|0,r2c5r3c5|4,r3c6r3c7|8,r4c0r4c1r5c0|0,r3c4r4c4r5c4|0,r3c8r4c7r4c8|0,r5c1r5c2|0,r5c3r6c3|0,r4c5r4c6r5c5r5c6r6c6|0,r5c8r6c8|13,r6c0r7c0|12,r6c1r7c1|0,r6c2r7c2|12,r7c3r8c3|15,r6c4r6c5r7c4r7c5|0,r5c7r6c7r7c7r8c7|0,r7c8r8c8|0,r8c0r8c1r8c2|21,r7c6r8c4r8c5r8c6", "solution": "691325748234978561785164923867259134529413687143687259956831472478592316312746895", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3077, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3075, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-02-28", "puzzle": "18,r0c1r0c2r0c3|7,r0c7r0c8|31,r0c0r1c0r1c1r1c2r1c3|12,r0c4r0c5r1c4r1c5|19,r1c7r1c8r2c8|9,r2c0r2c1r3c1|19,r0c6r1c6r2c6r2c7|26,r2c2r2c3r2c4r3c2|26,r3c3r3c4r4c4r5c4r5c5|17,r2c5r3c5r4c5|22,r3c6r3c7r3c8r4c6r4c7|7,r3c0r4c0|8,r4c8r5c8|23,r4c1r4c2r5c0r5c1r5c2|14,r4c3r5c3r6c3|24,r5c6r6c4r6c5r6c6|15,r6c1r6c2r7c2r8c2|20,r5c7r6c7r6c8|24,r6c0r7c0r7c1|25,r7c3r7c4r8c3r8c4|18,r7c5r7c6r7c7r7c8r8c8|6,r8c0r8c1|15,r8c5r8c6r8c7", "solution": "937854261645721839218639547369185472472963185581247693724318956896572314153496728", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3075, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3078, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-03-01", "puzzle": "8,r0c0r0c1|20,r0c2r0c3r1c3|17,r0c4r0c5r0c6|5,r0c7r0c8|9,r1c1r1c2|10,r1c6r1c7|15,r1c0r2c0r3c0|8,r1c4r2c3r2c4|11,r1c5r2c5|13,r2c6r2c7|15,r1c8r2c8|11,r2c1r3c1|14,r2c2r3c2r3c3|18,r3c5r3c6r4c5|11,r3c7r3c8|13,r4c0r4c1r4c2|8,r3c4r4c4r5c4|14,r4c6r4c7r4c8|14,r5c0r5c1|17,r4c3r5c2r5c3|9,r5c5r5c6r6c6|10,r5c7r6c7|17,r6c0r7c0|10,r6c1r6c2|10,r6c3r7c3|16,r6c4r6c5r7c4|14,r5c8r6c8r7c8|11,r7c1r7c2|8,r7c6r7c7|6,r8c0r8c1|11,r8c2r8c3r8c4|15,r7c5r8c5r8c6|17,r8c7r8c8", "solution": "359687241618542379742139856273918465184756932596423187937861524865294713421375698", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3078, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3079, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-03-01", "puzzle": "12,r0c0r0c1r1c0|22,r0c4r0c5r0c6r1c4r1c5|5,r0c7r0c8|15,r0c3r1c3|20,r1c6r1c7r1c8r2c8|24,r0c2r1c1r1c2r2c0r2c1|22,r2c2r2c3r3c2|16,r2c4r2c5r2c6|14,r3c0r3c1|10,r2c7r3c7|18,r3c3r3c4r4c3r4c4|13,r3c5r3c6r4c5r4c6|17,r4c0r4c1r5c0r5c1r6c0|14,r4c2r5c2r6c2|18,r5c3r5c4r6c3r6c4|15,r4c7r5c7r6c7|28,r3c8r4c8r5c8r6c8|30,r5c5r5c6r6c5r6c6|19,r6c1r7c1r8c1r8c2|10,r7c2r7c3|15,r7c4r7c5r7c6|14,r7c0r8c0|18,r8c3r8c4r8c5r8c6|16,r7c7r7c8r8c7r8c8", "solution": "167894523582731496439526871958267134746913258213458769325189647894675312671342985", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3079, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3080, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-03-01", "puzzle": 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"12,r0c1r0c2|16,r0c3r0c4r0c5|6,r0c6r0c7r1c6|13,r0c0r1c0|11,r1c1r1c2|19,r1c3r1c4r2c3|10,r0c8r1c8|9,r2c0r2c1r2c2|6,r1c5r2c5|20,r1c7r2c6r2c7|16,r3c0r3c1|6,r3c2r3c3|15,r2c4r3c4r3c5|11,r3c6r3c7|10,r2c8r3c8|6,r4c0r4c1|13,r4c2r4c3|11,r4c4r4c5|15,r4c6r4c7r4c8|11,r5c0r5c1|7,r5c2r5c3|10,r5c4r5c5r6c4|13,r5c6r5c7|7,r5c8r6c8|14,r6c0r6c1r6c2|7,r6c5r7c5|22,r6c6r6c7r7c7|9,r7c0r8c0|11,r7c1r7c2|20,r6c3r7c3r7c4|11,r7c8r8c8|11,r8c1r8c2|17,r8c3r8c4r8c5|10,r7c6r8c6r8c7", "solution": "975682134438791256261345879792456381514938627386127945653814792129573468847269513", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3093, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3094, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-03-04", "puzzle": 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"0,r0c0r0c1r1c0r1c1|0,r0c5r0c6|18,r0c7r0c8r1c8|21,r0c2r0c3r0c4r1c2|0,r1c3r1c4|0,r1c5r2c5|0,r1c6r1c7|0,r2c0r2c1r3c1|0,r2c6r2c7|0,r2c2r3c2r4c2|5,r2c3r3c3|32,r2c4r3c4r4c4r5c4r6c4|0,r3c5r3c6r4c5|12,r2c8r3c8|24,r3c0r4c0r4c1r5c1|0,r3c7r4c7r4c8r5c8|14,r5c0r6c0|6,r4c3r5c2r5c3|10,r5c5r6c5|0,r4c6r5c6r6c6|4,r6c1r6c2|16,r5c7r6c7r6c8|11,r7c1r7c2|0,r6c3r7c3|12,r7c4r7c5|0,r7c6r8c4r8c5r8c6|19,r7c0r8c0r8c1|12,r8c2r8c3|0,r7c7r7c8r8c7r8c8", "solution": "746528139328971546159463278532197684467385921891246357613854792274639815985712463", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3124, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3125, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-03-10", "puzzle": "16,r0c0r0c1r0c2|6,r0c3r0c4|19,r0c5r0c6r0c7|6,r1c0r1c1|0,r1c3r1c4|4,r1c5r1c6|0,r0c8r1c8|0,r2c0r2c1|0,r1c2r2c2r2c3r3c2|0,r2c4r2c5|13,r1c7r2c7|0,r3c0r3c1r4c0|23,r3c3r3c4r4c4r5c4r5c5|0,r2c6r3c6|0,r2c8r3c8|0,r4c1r4c2r5c1|11,r4c3r5c3|11,r3c5r4c5|0,r3c7r4c6r4c7|8,r5c0r6c0|0,r5c2r6c2|6,r4c8r5c7r5c8|5,r6c1r7c1|15,r6c3r6c4|0,r5c6r6c5r6c6r7c6|0,r6c7r6c8|12,r7c0r8c0|0,r7c2r7c3|10,r7c4r7c5|0,r7c7r7c8|18,r8c1r8c2r8c3|3,r8c4r8c5|0,r8c6r8c7r8c8", "solution": "673158924248693157591472683352817469986234571714965832135789246829346715467521398", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3125, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3119, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-03-09", "puzzle": 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"9,r0c3r0c4r0c5|8,r0c0r1c0|14,r0c1r0c2r1c1|5,r1c2r1c3|22,r0c6r1c5r1c6|13,r0c7r1c7|12,r0c8r1c8|22,r2c0r2c1r2c2|12,r2c3r3c3|10,r1c4r2c4|13,r2c5r2c6r2c7|19,r3c0r3c1r4c0|15,r3c5r3c6|10,r3c7r4c7|3,r2c8r3c8|18,r3c2r4c2r4c3|10,r4c5r4c6r5c6|10,r5c0r6c0|14,r4c1r5c1|10,r5c2r5c3|11,r3c4r4c4r5c4|16,r4c8r5c7r5c8|12,r6c1r6c2r6c3|14,r6c4r7c4|10,r5c5r6c5|11,r6c6r6c7r6c8|6,r7c0r8c0|7,r7c1r8c1|15,r7c2r7c3r8c2|11,r7c5r7c6|13,r7c7r8c6r8c7|14,r7c8r8c8|16,r8c3r8c4r8c5", "solution": "384612579521479863679538412843756921756921384192843657938167245215384796467295138", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3140, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3141, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-03-14", "puzzle": 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"14,r0c1r0c2r0c3|10,r0c5r0c6r0c7|0,r0c0r1c0r1c1r1c2|0,r0c4r1c3r1c4|0,r1c5r1c6|17,r0c8r1c8|17,r2c0r2c1r3c0|8,r2c2r2c3|13,r2c4r2c5|0,r1c7r2c7r2c8|18,r3c1r3c2r4c2|11,r3c3r3c4r3c5|0,r2c6r3c6|0,r4c0r4c1r5c0r5c1|0,r4c3r4c4r4c5|19,r3c7r3c8r4c7r4c8|0,r5c2r6c2|0,r5c3r5c4r5c5|14,r4c6r5c6r5c7|16,r6c0r6c1r7c1|0,r6c3r6c4|0,r6c5r6c6|22,r5c8r6c7r6c8|14,r7c0r8c0|0,r7c2r7c3|15,r7c4r7c5r8c4|21,r7c6r7c7r7c8r8c8|0,r8c1r8c2r8c3|0,r8c5r8c6r8c7", "solution": "876143259453972618192658734749281563315467982628539147284715396961324875537896421", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3158, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3159, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-03-17", "puzzle": "0,r0c1r0c2|0,r0c3r0c4|0,r0c5r0c6|6,r0c0r1c0|4,r1c1r1c2|23,r1c4r1c5r1c6|0,r0c7r0c8r1c7r1c8r2c8r3c8|15,r2c0r2c1|22,r2c2r3c2r3c3|8,r1c3r2c3|0,r2c6r2c7|0,r3c0r3c1r4c0r5c0r5c1|0,r2c4r3c4|0,r2c5r3c5r3c6|0,r4c1r4c2|11,r4c3r4c4|0,r4c5r4c6|0,r3c7r4c7r4c8r5c7|12,r5c4r6c4|0,r5c5r5c6r6c5|11,r6c0r6c1|9,r5c2r5c3r6c2|6,r6c3r7c3|12,r6c6r6c7|7,r7c0r8c0|16,r7c1r7c2|0,r7c4r7c5r7c6|30,r5c8r6c8r7c7r7c8r8c7r8c8|0,r8c1r8c2|0,r8c3r8c4|0,r8c5r8c6", "solution": "275843196413769825968152437329517648786924513541638279832496751197285364654371982", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3159, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3160, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-03-18", "puzzle": "20,r0c0r0c1r0c2|13,r0c3r0c4r1c4|6,r1c0r2c0|5,r1c2r1c3|11,r0c5r1c5|12,r0c6r1c6|14,r0c7r0c8r1c7|17,r1c1r2c1r2c2|10,r2c3r2c4|15,r2c5r2c6r3c5|17,r1c8r2c7r2c8|6,r3c2r3c3r3c4|13,r3c7r3c8|11,r3c0r4c0|10,r3c1r4c1|11,r4c2r5c2|15,r4c3r4c4r4c5|17,r3c6r4c6|6,r4c7r5c7|6,r4c8r5c8|10,r5c0r5c1|18,r5c4r5c5r5c6|14,r6c0r6c1r7c0|17,r5c3r6c2r6c3|10,r6c4r6c5|9,r6c6r6c7r7c7|15,r7c1r8c0r8c1|15,r7c2r8c2|9,r7c3r8c3|7,r7c5r7c6|16,r6c8r7c8|16,r7c4r8c4r8c5|14,r8c6r8c7r8c8", "solution": "839627541162354798574198263493215876716843952285769314651982437348571629927436185", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3160, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3161, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-03-18", "puzzle": 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"9,r0c1r0c2|11,r0c3r0c4|22,r0c0r1c0r2c0|9,r1c1r1c2|11,r0c5r1c4r1c5|16,r0c6r1c6r2c6|14,r0c7r1c7|9,r0c8r1c8|5,r2c1r2c2|19,r1c3r2c3r2c4|14,r2c5r3c5r3c6|15,r3c0r3c1r3c2|10,r2c7r2c8r3c7|17,r3c8r4c8|9,r4c1r4c2|7,r3c3r4c3|13,r3c4r4c4r5c4|13,r4c5r5c5|7,r4c6r4c7|6,r4c0r5c0|21,r5c1r6c0r6c1|10,r5c6r5c7r5c8|21,r5c2r5c3r6c3|20,r6c4r6c5r7c5|3,r6c6r6c7|8,r7c0r8c0|5,r7c1r8c1|18,r6c2r7c2r8c2|11,r7c3r7c4r8c3|17,r7c6r7c7|12,r6c8r7c8r8c8|10,r8c4r8c5|13,r8c6r8c7", "solution": "654291387981537462723864951195623748436178529278945136867459213342716895519382674", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3165, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3166, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-03-19", "puzzle": 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"10,r0c6r0c7|17,r0c0r0c1r1c0|10,r0c2r1c2r2c2|6,r0c3r1c3|15,r0c4r1c4|6,r0c5r1c5|22,r1c6r1c7r2c6|12,r0c8r1c8r2c8|18,r1c1r2c1r3c1|5,r2c0r3c0|11,r2c3r3c3|15,r2c4r3c4|10,r2c5r3c5|9,r2c7r3c6r3c7|16,r4c0r4c1|19,r3c2r4c2r5c2|12,r4c3r4c4r4c5|6,r4c6r4c7|23,r3c8r4c8r5c8|11,r5c0r6c0|7,r5c3r6c3|6,r5c4r6c4|11,r5c5r6c5|10,r5c6r5c7r6c7|14,r5c1r6c1r7c1|9,r7c0r8c0r8c1|16,r6c2r7c2r8c2|13,r7c3r8c3|6,r7c4r8c4|17,r7c5r8c5|17,r6c6r7c6r7c7|10,r6c8r7c8r8c8|16,r8c6r8c7", "solution": "931582467562174983487963512146297358795831246328456179879315624654729831213648795", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3170, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3171, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-03-20", "puzzle": 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"15,r0c0r0c1|10,r0c2r0c3r1c3|11,r0c4r1c4|13,r0c5r0c6r1c5|13,r0c7r0c8|10,r1c0r1c1r1c2|18,r1c6r1c7r1c8|15,r2c0r2c1|9,r2c2r2c3|7,r2c5r2c6|5,r2c7r2c8|11,r3c1r3c2|15,r2c4r3c4|6,r3c6r3c7|17,r3c0r4c0r4c1|9,r3c3r4c3r5c3|24,r3c5r4c5r5c5|17,r3c8r4c7r4c8|8,r5c0r5c1|9,r4c2r5c2|13,r4c4r5c4r6c4|9,r4c6r5c6|13,r5c7r5c8|10,r6c0r6c1|4,r6c7r6c8|13,r6c2r7c1r7c2|17,r6c3r7c3|9,r6c5r7c5|15,r6c6r7c6r7c7|16,r7c0r8c0r8c1|11,r8c2r8c3|6,r7c4r8c4|9,r8c5r8c6|18,r7c8r8c7r8c8", "solution": "692134785154782936873695241429368157761459328538217694285976413917843562346521879", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3180, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3181, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-03-22", "puzzle": 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"13,r0c1r0c2|9,r0c6r0c7r0c8|7,r0c0r1c0|6,r1c1r1c2|8,r0c3r1c3|9,r0c4r1c4|19,r0c5r1c5r2c5|17,r1c7r1c8r2c7|10,r2c1r2c2|9,r2c3r2c4|11,r1c6r2c6|10,r2c8r3c8|17,r2c0r3c0|11,r3c1r3c2r4c1|12,r3c4r3c5|21,r3c6r3c7r4c6|12,r4c2r5c2|18,r3c3r4c3r4c4|14,r4c0r5c0r5c1|7,r4c5r5c4r5c5|11,r4c7r5c7|8,r4c8r5c8|16,r6c0r6c1r7c0|16,r5c3r6c2r6c3|10,r6c4r6c5|4,r5c6r6c6|18,r7c2r7c3r7c4|20,r7c6r8c6r8c7|15,r6c7r6c8r7c7|9,r7c8r8c8|13,r7c1r8c0r8c1|14,r8c2r8c3r8c4|11,r7c5r8c5", "solution": "185769234624138579937542618861357942243691857759824361496273185378915426512486793", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3185, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3186, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-03-23", "puzzle": "19,r0c0r0c1r1c1r1c2|11,r0c2r0c3|13,r0c4r0c5|13,r0c6r0c7|12,r1c3r1c4|5,r0c8r1c8|10,r1c0r2c0|7,r2c1r2c2|18,r1c5r1c6r2c4r2c5r2c6|22,r1c7r2c7r2c8|13,r3c0r3c1r3c2|9,r2c3r3c3|8,r3c5r3c6|13,r4c0r5c0|13,r4c1r5c1|6,r4c2r4c3|22,r3c4r4c4r5c4|10,r4c5r4c6|14,r3c7r4c7|8,r3c8r4c8|7,r5c2r5c3|7,r5c5r6c5|15,r5c6r5c7r5c8|22,r6c0r6c1r7c1|18,r6c2r6c3r6c4r7c2r7c3|7,r6c6r6c7|15,r6c8r7c8|6,r7c0r8c0|11,r7c4r7c5|11,r8c1r8c2|13,r8c3r8c4|13,r8c5r8c6|14,r7c6r7c7r8c7r8c8", "solution": "439276581857931264216548379328497156645183792791652843962815437574329618183764925", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3186, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3187, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-03-23", "puzzle": 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"20,r0c0r0c1r0c2r1c1r1c2|8,r0c5r0c6|21,r0c7r0c8r1c8|20,r0c3r0c4r1c3r1c4|14,r1c5r1c6r1c7|13,r1c0r2c0|22,r2c1r2c2r3c2r3c3|29,r2c3r2c4r3c4r3c5|11,r2c5r2c6r3c6|5,r2c7r2c8|33,r3c7r3c8r4c6r4c7r4c8r5c7r5c8|17,r4c3r4c4r4c5|29,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|12,r6c0r6c1|24,r5c2r6c2r6c3|10,r5c3r5c4r6c4r6c5|21,r5c5r5c6r6c6r6c7|7,r6c8r7c8|23,r7c1r7c2r7c3|22,r7c4r7c5r8c4r8c5|7,r7c0r8c0r8c1|5,r8c2r8c3|32,r7c6r7c7r8c6r8c7r8c8", "solution": "915732684732648159684591723429187365861359472357426918578913246296874531143265897", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3191, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3190, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-03-24", "puzzle": "9,r0c0r0c1|17,r0c7r0c8|9,r0c2r1c2|10,r0c3r1c3|6,r0c4r1c4|10,r0c5r1c5|6,r0c6r1c6|16,r1c0r1c1r2c0|19,r2c3r2c4r2c5|13,r1c7r1c8r2c8|14,r2c1r2c2r3c2|17,r3c3r3c4r3c5|10,r2c6r2c7r3c6|13,r3c0r4c0r5c0|14,r3c1r4c1|11,r3c7r4c7|16,r3c8r4c8r5c8|10,r5c1r6c1|14,r4c2r5c2|4,r4c3r5c3|11,r4c5r5c5|13,r4c6r5c6|11,r5c7r6c7|4,r6c0r7c0|7,r6c2r6c3|16,r4c4r5c4r6c4|12,r6c5r6c6|10,r6c8r7c8|22,r7c1r7c2r7c3|14,r7c4r8c4|8,r7c5r7c6r7c7|13,r8c0r8c1|11,r8c2r8c3|10,r8c5r8c6|5,r8c7r8c8", "solution": "631457289928613457547829361463278195789145623215396748192534876376982514854761932", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3190, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3192, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-03-24", "puzzle": 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"17,r0c5r0c6|11,r0c0r1c0|16,r0c1r0c2r1c1|11,r1c2r2c2r2c3|16,r0c3r0c4r1c3|10,r0c7r0c8r1c7|10,r1c8r2c8|9,r2c0r2c1|5,r1c4r2c4|15,r1c5r1c6r2c5|15,r2c6r2c7|15,r3c2r3c3|5,r3c4r3c5|18,r3c0r4c0r5c0|3,r3c1r4c1|15,r4c2r5c1r5c2|14,r4c3r4c4r4c5|18,r3c6r3c7r4c6|8,r4c7r5c7|14,r3c8r4c8r5c8|16,r5c3r5c4|9,r5c5r5c6|11,r6c1r6c2|8,r6c3r7c2r7c3|11,r6c4r7c4|11,r6c7r6c8|9,r6c0r7c0|18,r7c1r8c0r8c1|21,r7c5r8c4r8c5|16,r6c5r6c6r7c6|11,r7c7r8c6r8c7|10,r7c8r8c8|9,r8c2r8c3", "solution": "271369845986745213453218697519632784724851369638974521847123956162597438395486172", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3195, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3194, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-03-24", "puzzle": 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"8,r0c4r0c5r0c6|10,r0c7r0c8|14,r0c0r1c0|19,r0c1r0c2r1c1|24,r0c3r1c3r1c4r1c5r1c6|25,r1c7r1c8r2c6r2c7r2c8|18,r1c2r2c1r2c2r3c1|23,r2c3r2c4r2c5|6,r2c0r3c0|7,r3c2r3c3|8,r3c5r3c6|9,r3c7r3c8|5,r4c0r4c1|11,r4c2r4c3|11,r4c5r4c6|11,r4c7r4c8|11,r5c0r5c1|14,r5c2r5c3|17,r3c4r4c4r5c4|7,r5c5r5c6|12,r5c8r6c8|8,r6c3r6c4r6c5|20,r5c7r6c6r6c7r7c6|28,r6c0r6c1r6c2r7c0r7c1|30,r7c2r7c3r7c4r7c5r8c5|18,r7c7r8c6r8c7|7,r7c8r8c8|11,r8c0r8c1|13,r8c2r8c3r8c4", "solution": "897325146632741958154986732573492681416578329928613475289134567361857294745269813", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3196, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3197, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-03-25", "puzzle": 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"15,r0c1r0c2r0c3r0c4|0,r0c5r0c6|21,r0c0r1c0r1c1r2c0|0,r1c2r1c3r1c4|0,r0c7r1c7|16,r0c8r1c8r2c8|0,r2c2r2c3|0,r1c5r2c4r2c5|23,r1c6r2c6r3c6|15,r2c1r3c1|9,r3c2r3c3|15,r3c4r3c5|0,r2c7r3c7|0,r3c0r4c0r5c0|0,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|0,r3c8r4c8r5c8|6,r5c1r6c1|8,r5c3r5c4|12,r5c5r5c6|0,r5c7r6c7|0,r5c2r6c2r7c2|24,r6c3r6c4r7c3|0,r6c5r6c6|0,r6c0r7c0r8c0|12,r7c1r8c1|14,r7c4r7c5r7c6|22,r6c8r7c7r7c8r8c8|0,r8c2r8c3|0,r8c4r8c5r8c6r8c7", "solution": "456319728913827645782654913174596832869432157325178496547983261291765384638241579", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3203, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3202, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-03-26", "puzzle": 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"8,r0c0r0c1|13,r0c7r0c8|24,r0c2r1c0r1c1r1c2|33,r0c3r0c4r0c5r1c3r1c4r1c5r2c4|17,r0c6r1c6r1c7r1c8|21,r2c0r2c1r2c2r2c3|19,r2c5r2c6r2c7r2c8|16,r3c0r3c1r4c0|17,r3c3r3c4r3c5|7,r3c7r3c8r4c8|26,r3c2r4c1r4c2r4c3|20,r4c4r5c4r6c4|21,r3c6r4c5r4c6r4c7|6,r5c2r5c3|13,r5c5r5c6|3,r5c0r6c0|12,r5c1r6c1|9,r5c7r6c7|9,r5c8r6c8|23,r7c0r7c1r8c0r8c1|10,r6c2r7c2|24,r6c3r6c5r7c3r7c4r7c5r8c4|11,r6c6r7c6|25,r7c7r7c8r8c7r8c8|9,r8c2r8c3|9,r8c5r8c6", "solution": "627319458485762139931854627369278541748531962152496783274985316596123874813647295", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3207, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3209, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-03-28", "puzzle": "13,r0c3r0c4r0c5|14,r0c0r0c1r1c0|16,r0c2r1c2|18,r1c3r1c4r1c5|6,r0c6r1c6|14,r0c7r0c8r1c8|9,r1c1r2c0r2c1|7,r2c4r3c4|17,r1c7r2c7r2c8|6,r3c0r3c1|14,r2c2r3c2|9,r2c3r3c3|16,r2c5r3c5|15,r2c6r3c6|6,r3c7r3c8|3,r4c4r5c4|22,r4c0r4c1r5c0|12,r4c2r4c3r5c2|11,r4c5r4c6r5c6|23,r4c7r4c8r5c8|10,r5c1r6c0r6c1|14,r6c2r7c2r7c3|12,r5c3r6c3|10,r5c5r6c5|16,r6c6r7c5r7c6|11,r5c7r6c7r6c8|12,r7c0r7c1|14,r6c4r7c4|10,r7c7r7c8|19,r8c0r8c1r8c2|11,r8c3r8c4r8c5|15,r8c6r8c7r8c8", "solution": "849256173237891564156347892428639751793415286615728439364582917571964328982173645", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3209, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3208, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-03-27", "puzzle": 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"8,r0c2r0c3r0c4|8,r1c3r1c4|15,r0c5r1c5|18,r0c7r0c8r1c7|32,r0c0r0c1r1c0r1c1r2c0r2c1|12,r1c2r2c2|11,r2c4r2c5|9,r1c8r2c8|11,r3c1r3c2|11,r2c3r3c3|4,r3c4r3c5|14,r0c6r1c6r2c6r3c6|9,r3c0r4c0r5c0|9,r4c1r4c2|23,r4c3r4c4r4c5r4c6|15,r3c8r4c8r5c8|16,r5c1r5c2|9,r5c3r6c3|12,r5c4r5c5|24,r5c6r6c6r7c6r8c6|34,r6c0r6c1r7c0r7c1r8c0r8c1|9,r6c2r7c2|8,r6c4r6c5|27,r2c7r3c7r4c7r5c7r6c7|9,r6c8r7c8|8,r7c3r7c4|9,r7c5r8c5|12,r7c7r8c7r8c8|19,r8c2r8c3r8c4", "solution": "841526379563179824729483165456731298318952746297648531984317652135264987672895413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3221, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3222, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-03-30", "puzzle": 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"17,r0c1r0c2r0c3|17,r0c4r0c5r1c5|12,r0c7r0c8|4,r0c0r1c0|6,r1c2r1c3|17,r0c6r1c6r2c6|8,r1c7r1c8|14,r1c1r2c0r2c1|17,r2c2r2c3r3c3|18,r1c4r2c4r2c5|16,r2c7r2c8r3c8|10,r3c1r3c2|11,r3c4r4c4r5c4|15,r3c0r4c0|14,r4c1r5c1|4,r4c2r5c2|16,r4c3r5c3|7,r3c5r4c5|16,r3c6r4c6|3,r3c7r4c7|7,r4c8r5c8|11,r5c6r5c7|10,r5c0r6c0r6c1|10,r6c3r6c4r7c4|19,r5c5r6c5r6c6|20,r6c7r6c8r7c7|13,r7c0r7c1|14,r6c2r7c2r8c2|5,r7c5r7c6|11,r7c8r8c8|10,r8c0r8c1|17,r7c3r8c3r8c4|16,r8c5r8c6r8c7", "solution": "167482539385197462429563871746351928853926714291748653538619247672834195914275386", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3224, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3226, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-03-31", "puzzle": 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"13,r0c4r0c5r1c5|18,r0c7r0c8r1c8r2c8|9,r0c0r1c0|5,r0c1r1c1|23,r0c2r0c3r1c2|11,r0c6r1c6|13,r2c0r2c1r3c1|13,r1c3r2c3r3c3|13,r2c5r2c6|11,r1c7r2c7|10,r2c2r3c2|11,r3c5r3c6r3c7|24,r3c0r4c0r4c1r5c0|10,r4c2r4c3|12,r4c5r4c6|21,r3c8r4c7r4c8r5c8|18,r5c1r5c2r5c3|12,r5c6r6c6|10,r6c1r7c1|9,r6c2r6c3|30,r1c4r2c4r3c4r4c4r5c4r6c4r7c4|15,r5c5r6c5r7c5|15,r5c7r6c7r6c8|9,r7c2r8c2|16,r7c6r8c5r8c6|11,r7c7r8c7|8,r7c8r8c8|21,r6c0r7c0r8c0r8c1|14,r7c3r8c3r8c4", "solution": "526971438438265791179348526751893264263754819984612357615437982897526143342189675", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3264, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3263, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-04-08", "puzzle": "14,r0c2r0c3|19,r0c5r0c6r0c7|6,r0c8r1c7r1c8|9,r0c0r1c0|16,r0c1r1c1r1c2|14,r0c4r1c4|15,r2c0r2c1r2c2|6,r1c3r2c3r2c4|9,r1c5r2c5|14,r1c6r2c6|13,r2c7r2c8|15,r3c0r3c1r3c2|12,r3c7r3c8|17,r4c0r4c1|7,r4c2r5c2|14,r3c3r4c3r5c3|15,r3c5r4c5r5c5|8,r3c6r4c6|8,r4c7r4c8|6,r5c0r5c1|16,r3c4r4c4r5c4|17,r5c6r5c7r5c8|11,r6c0r6c1|10,r6c2r7c2|10,r6c3r7c3|13,r6c4r6c5r7c5|12,r6c6r6c7r6c8|12,r7c4r8c4|18,r7c6r7c7r8c7|14,r7c8r8c8|17,r7c0r7c1r8c0|15,r8c1r8c2r8c3|3,r8c5r8c6", "solution": "215967843769384521384125967537291684891746235426538719658419372172653498943872156", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3263, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3265, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-04-08", "puzzle": 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"15,r0c2r0c3|10,r0c5r0c6|9,r0c0r1c0|4,r0c1r1c1|7,r0c4r1c4|9,r0c7r1c7|8,r0c8r1c8|10,r2c0r2c1|16,r1c2r2c2|10,r1c3r2c3|12,r2c4r3c4|9,r1c5r2c5|11,r1c6r2c6|14,r2c7r2c8|7,r3c2r3c3|8,r3c5r3c6|3,r3c0r4c0|12,r3c1r4c1|4,r4c2r4c3|9,r4c5r4c6|13,r3c7r4c7|17,r3c8r4c8|15,r4c4r5c4|15,r5c0r6c0|17,r5c1r6c1|10,r5c2r6c2|12,r5c3r6c3|7,r5c5r6c5|7,r5c6r6c6|7,r5c7r6c7|4,r5c8r6c8|16,r7c0r7c1r8c0|13,r7c2r7c3|11,r6c4r7c4r8c4|12,r7c5r7c6|13,r7c7r7c8r8c8|7,r8c1r8c2r8c3|22,r8c5r8c6r8c7", "solution": "416957382539428716827631495154396278273184569698572143982745631765813924341269857", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3268, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3269, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-04-09", "puzzle": 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"18,r0c0r0c1r1c0|10,r0c2r0c3r1c2|16,r0c5r0c6r1c6|8,r0c7r0c8r1c8|11,r0c4r1c4|17,r1c1r2c1r3c1|17,r1c3r2c3|11,r1c5r2c5|12,r1c7r2c7r3c7|10,r2c0r3c0|3,r2c2r3c2|11,r2c4r3c4|11,r2c6r3c6|12,r2c8r3c8|14,r4c0r4c1|16,r3c3r4c3r5c3|10,r4c4r5c4|11,r3c5r4c5r5c5|9,r4c7r4c8|4,r5c0r5c1|16,r4c2r5c2|11,r4c6r5c6|12,r5c7r5c8|12,r6c0r6c1r7c1|19,r6c3r6c4r6c5|20,r6c7r6c8r7c7|13,r6c2r7c2r7c3|9,r6c6r7c5r7c6|14,r7c0r8c0|10,r8c1r8c2r8c3|9,r7c4r8c4|21,r8c5r8c6r8c7|8,r7c8r8c8", "solution": "795261834283954761641837259452786913869413527137592648328649175974125386516378492", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3283, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3284, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-04-12", "puzzle": 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"12,r0c0r0c1r1c0r1c1|8,r0c2r0c3|0,r0c4r0c5|24,r0c6r0c7r0c8|0,r1c2r1c3r2c3|17,r1c4r1c5|9,r2c4r2c5|18,r1c6r1c7r1c8r2c6|20,r2c0r2c1r3c0|0,r2c2r3c2|12,r2c7r2c8r3c6r3c7|27,r3c1r4c1r4c2r5c1r5c2|0,r3c3r3c4r3c5r4c4|0,r4c5r4c6|33,r3c8r4c8r5c8r6c8r7c8r8c8|22,r4c0r5c0r6c0r6c1|9,r4c3r5c3|6,r4c7r5c7|0,r5c4r5c5r6c4|0,r5c6r6c6|0,r7c0r7c1|0,r6c2r7c2|0,r6c3r7c3r8c3|0,r6c5r7c5|0,r6c7r7c7|9,r8c0r8c1r8c2|0,r7c4r8c4r8c5|0,r7c6r8c6r8c7", "solution": "546231897213789564798645321452817639987563412361492758824156973679328145135974286", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3287, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3288, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-04-13", "puzzle": 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"8,r0c3r0c4|8,r0c0r1c0|11,r0c1r1c1|24,r0c2r1c2r1c3|9,r0c5r1c5|16,r0c6r0c7r1c6|13,r0c8r1c7r1c8|5,r2c1r2c2|8,r1c4r2c4|11,r2c6r2c7|13,r2c0r3c0|15,r2c3r3c2r3c3|12,r2c5r3c4r3c5|13,r3c6r3c7|8,r2c8r3c8|11,r3c1r4c1|14,r4c2r4c3r4c4|8,r4c5r4c6|21,r4c7r4c8r5c8|21,r4c0r5c0r5c1|5,r5c2r5c3|14,r5c4r5c5r5c6|13,r6c2r6c3|22,r6c4r6c5r6c6|5,r5c7r6c7|7,r6c0r6c1r7c0|13,r7c1r7c2r7c3|20,r7c5r7c6r7c7|17,r6c8r7c8r8c8|15,r8c0r8c1|8,r8c2r8c3|10,r7c4r8c4|7,r8c5r8c6r8c7", "solution": "598624371327915684614873295762581943453297168981436527146759832239148756875362419", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3322, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3323, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-04-20", "puzzle": 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"15,r0c1r0c2|11,r0c6r0c7|11,r0c0r1c0r2c0|30,r0c3r0c4r0c5r1c3r1c4r1c5r2c3|7,r1c6r1c7|12,r0c8r1c8|19,r1c1r1c2r2c1r2c2|15,r2c6r2c7r2c8|19,r3c2r3c3r3c4|37,r3c0r3c1r4c0r4c1r4c2r4c3r5c1r5c2|8,r4c4r4c5|36,r2c4r2c5r3c5r3c6r3c7r3c8r4c8|9,r5c3r6c3|23,r5c4r5c5r6c4r6c5|29,r4c6r4c7r5c6r5c7|30,r5c0r6c0r7c0r8c0r8c1|19,r6c1r6c2r7c1r7c2r7c3|42,r5c8r6c7r6c8r7c7r7c8r8c7r8c8|9,r7c4r7c5|7,r6c6r7c6r8c6|13,r8c2r8c3|4,r8c4r8c5", "solution": "296415837847293615135687942518749326479326581362158794723864159981572463654931278", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3388, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3391, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-05-04", "puzzle": "7,r0c1r0c2|11,r0c3r0c4r0c5|14,r0c7r0c8|12,r0c0r1c0|5,r1c1r1c2|20,r1c3r1c4r2c4|15,r1c5r2c5r2c6|20,r0c6r1c6r1c7|15,r2c0r2c1|8,r2c2r2c3|5,r2c7r3c7|7,r1c8r2c8|13,r3c1r3c2r4c1|12,r3c3r3c4r3c5|12,r3c0r4c0r5c0|16,r4c2r5c2|16,r4c3r4c4r4c5|13,r3c6r4c6|14,r3c8r4c8r5c8|17,r5c3r5c4r5c5|14,r4c7r5c6r5c7|9,r6c0r7c0|13,r5c1r6c1|5,r6c5r6c6|9,r6c7r6c8|16,r7c1r7c2r8c2|16,r6c2r6c3r7c3|13,r6c4r7c4r7c5|13,r7c6r7c7|12,r7c8r8c8|10,r8c0r8c1|14,r8c3r8c4r8c5|9,r8c6r8c7", "solution": "952317468314568792876294315638129547129475836547836921791683254285941673463752189", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3391, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3393, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-05-04", "puzzle": 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"22,r0c0r0c1r1c0|14,r0c2r0c3|6,r0c4r0c5|12,r0c6r0c7r1c7|6,r1c1r2c1|13,r1c3r1c4|3,r0c8r1c8|7,r1c2r2c2|10,r2c3r3c3|16,r1c5r2c5|15,r1c6r2c6|7,r2c0r3c0|8,r3c1r3c2|4,r2c4r3c4|10,r3c5r3c6|14,r2c7r3c7|13,r2c8r3c8|14,r4c0r4c1r4c2|11,r4c3r4c4|10,r4c5r4c6|10,r4c7r4c8|7,r5c0r6c0|15,r5c1r5c2|16,r5c4r6c4|10,r5c5r5c6|3,r5c7r6c7|13,r5c8r6c8|3,r6c2r7c2|11,r5c3r6c3|11,r6c5r7c5|6,r6c6r7c6|10,r6c1r7c1|12,r7c3r7c4|13,r7c8r8c8|23,r7c0r8c0r8c1|6,r8c2r8c3|5,r8c4r8c5|16,r7c7r8c6r8c7", "solution": "798642351613859742254317869526731984149568273387294615431976528972485136865123497", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3396, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3397, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-05-05", "puzzle": "17,r0c0r0c1r0c2r0c3|12,r0c4r0c5|11,r1c3r1c4|32,r0c6r0c7r0c8r1c7r1c8r2c8|22,r1c0r2c0r3c0|3,r1c1r2c1|22,r1c2r2c2r2c3r3c2|12,r1c5r2c5r3c5|7,r1c6r2c6|9,r2c7r3c7|10,r4c0r5c0|12,r3c1r4c1|9,r4c2r5c2|12,r3c3r4c3|11,r4c5r5c5|7,r3c6r4c6|16,r4c7r5c7|6,r3c8r4c8|11,r5c1r6c1|12,r6c2r7c2|16,r5c3r6c3r7c3|22,r2c4r3c4r4c4r5c4r6c4|20,r5c6r6c5r6c6r7c6|12,r6c7r7c7|14,r5c8r6c8r7c8|25,r6c0r7c0r7c1r8c0r8c1r8c2|15,r7c4r7c5|7,r8c3r8c4|21,r8c5r8c6r8c7r8c8", "solution": "763184529829653417514792368952817634678435192431926875385271946147569283296348751", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3397, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3398, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-05-05", "puzzle": "13,r0c1r0c2r1c2r2c2|9,r0c3r0c4|12,r0c5r0c6|26,r0c0r1c0r1c1r2c0|13,r1c3r1c4|16,r0c7r1c6r1c7|7,r0c8r1c8|15,r2c3r2c4r3c4|8,r1c5r2c5|9,r2c6r2c7|14,r2c1r3c1r4c1|5,r3c3r4c3|7,r3c5r3c6|15,r2c8r3c8|13,r3c0r4c0|29,r3c2r4c2r5c2r5c3r6c2|28,r4c4r4c5r5c4r5c5r6c5|15,r3c7r4c7r4c8|6,r4c6r5c6r6c6|23,r5c7r5c8r6c7r6c8|14,r5c0r5c1r6c0|11,r6c3r6c4|9,r6c1r7c1|19,r7c2r7c3r8c3|4,r7c0r8c0|15,r8c1r8c2|6,r7c4r8c4|9,r7c5r8c5|16,r7c6r8c6|19,r7c7r7c8r8c7r8c8", "solution": "912368475587941632463527819739182546651479283248635197875294361324716958196853724", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3398, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3399, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-05-05", "puzzle": "13,r0c2r0c3|0,r0c4r0c5|12,r0c6r0c7|0,r0c0r0c1r1c0|16,r1c4r1c5|0,r1c6r1c7|0,r0c8r1c8|16,r1c1r1c2r2c1r2c2|0,r1c3r2c3|0,r2c4r2c5|0,r2c6r2c7|0,r2c0r3c0|0,r3c1r3c2|0,r3c3r3c4r4c3|0,r2c8r3c8|3,r3c6r4c6|15,r3c7r4c7r4c8|5,r4c0r5c0|17,r4c1r5c1|12,r4c2r5c2|22,r3c5r4c4r4c5r5c3r5c4r5c5|0,r6c3r6c4|19,r5c6r6c5r6c6|0,r5c7r6c7|12,r5c8r6c8|0,r6c0r7c0|9,r6c1r7c1|0,r6c2r7c2|0,r7c3r7c4r8c4|0,r7c5r7c6|0,r8c0r8c1|3,r8c2r8c3|0,r8c5r8c6|0,r7c7r7c8r8c7r8c8", "solution": "718524396463879521952163487146987235397652148285431679629745813574318962831296754", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3399, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3401, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-05-06", "puzzle": "10,r0c2r0c3|7,r0c4r0c5|14,r0c0r0c1r1c0|7,r1c1r1c2|21,r1c3r1c4r1c5|11,r0c6r1c6|11,r0c7r0c8r1c7|16,r1c8r2c8|14,r2c0r2c1|13,r2c2r2c3|8,r2c5r2c6r2c7|9,r3c2r3c3|5,r2c4r3c4|14,r3c0r4c0r5c0|19,r3c1r4c1r5c1|16,r4c2r4c3r4c4|19,r3c5r4c5r5c5|16,r3c6r4c6r5c6|9,r3c8r4c8r5c8|7,r5c2r5c3|5,r5c4r6c4|20,r3c7r4c7r5c7|8,r6c0r6c1|8,r6c2r6c3|20,r6c5r6c6r6c7|18,r7c0r8c0r8c1|5,r7c1r7c2|20,r7c3r7c4r7c5|7,r7c6r8c6|11,r7c7r8c7r8c8|11,r6c8r7c8|11,r8c2r8c3|15,r8c4r8c5", "solution": "731952864425768319689431257843627591567189432192543786356214978914875623278396145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3401, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3400, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-05-05", "puzzle": "11,r0c0r0c1|5,r0c2r0c3|0,r1c0r1c1r1c2r1c3|26,r0c4r0c5r0c6r1c4r2c4|15,r0c7r1c7|7,r0c8r1c8|17,r1c5r2c5|8,r1c6r2c6r2c7|12,r2c0r3c0|0,r2c1r3c1|8,r2c2r3c2|14,r2c3r3c3|10,r2c8r3c8|13,r4c1r4c2r4c3|0,r3c4r4c4|0,r3c5r4c5|0,r3c6r4c6|15,r3c7r4c7r4c8|0,r4c0r5c0|0,r5c1r5c2|10,r5c3r5c4|0,r5c6r5c7r5c8r6c6|0,r6c0r6c1|0,r6c2r6c3|6,r5c5r6c5|11,r6c7r6c8|0,r7c0r7c1r8c0r8c1|0,r7c2r7c3r8c2|0,r6c4r7c4r7c5|0,r7c6r7c7|0,r8c3r8c4|0,r8c5r8c6|0,r7c8r8c7r8c8", "solution": "561437892783129465492568137856912743214873956379645218928351674637294581145786329", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3400, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3402, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-05-06", "puzzle": "5,r0c2r0c3|15,r0c7r0c8|25,r0c0r0c1r1c0r2c0r3c0|23,r1c1r1c2r2c2r3c2|16,r0c4r1c3r1c4r2c3|15,r0c5r1c5|18,r0c6r1c6r1c7|15,r2c5r2c6r3c5|9,r1c8r2c8r3c8|15,r2c1r3c1|24,r3c3r4c3r5c3r5c4|16,r2c4r3c4r4c4|10,r2c7r3c7|9,r3c6r4c6|7,r4c7r4c8|24,r4c0r4c1r4c2r5c0r5c1r5c2|8,r4c5r5c5|16,r5c6r5c7r5c8|24,r6c0r6c1r6c2r6c3|10,r6c4r6c5r6c6r7c6|8,r6c8r7c8|16,r7c0r7c1r8c0|12,r7c4r7c5|11,r6c7r7c7|32,r7c2r7c3r8c1r8c2r8c3r8c4|5,r8c5r8c6|17,r8c7r8c8", "solution": "143256978786139542592784613867325194931467825425891736258913467379648251614572389", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3402, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3403, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-05-06", "puzzle": 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"14,r0c1r0c2r0c3|15,r0c5r0c6r0c7|11,r0c0r1c0|12,r1c2r1c3r2c2|15,r0c4r1c4|14,r1c5r1c6|17,r0c8r1c7r1c8r2c7|11,r1c1r2c1|11,r2c3r2c4|6,r2c5r2c6|12,r2c0r3c0r3c1|11,r3c2r3c3|17,r3c4r3c5|10,r2c8r3c8|9,r4c0r4c1|13,r4c2r5c1r5c2|8,r4c3r4c4r4c5|12,r3c6r3c7r4c6|11,r4c7r4c8|17,r5c0r6c0|7,r5c3r5c4|10,r5c5r5c6|20,r5c7r5c8r6c8|13,r6c2r6c3|9,r6c4r6c5|5,r6c7r7c7|18,r6c1r7c0r7c1r8c0|13,r7c2r7c3|5,r7c4r8c4|12,r6c6r7c5r7c6|14,r7c8r8c8|15,r8c1r8c2r8c3|18,r8c5r8c6r8c7", "solution": "756382941428179563193564278564798312279431856831256497915827634387645129642913785", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3407, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3411, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-05-08", "puzzle": "10,r0c0r0c1|17,r0c7r0c8r1c8|15,r0c2r1c2r2c2|13,r0c3r1c3r2c3|16,r0c4r0c5r1c4|10,r0c6r1c5r1c6|17,r1c0r2c0|3,r1c1r2c1|10,r2c4r2c5|20,r1c7r2c7r2c8|18,r3c1r3c2r3c3|14,r2c6r3c5r3c6|10,r3c7r4c7|12,r3c0r4c0r5c0|8,r4c2r4c3|14,r4c5r4c6|10,r3c8r4c8r5c8|7,r4c1r5c1|19,r5c2r5c3r6c2|17,r3c4r4c4r5c4|13,r5c5r5c6r5c7|22,r6c0r6c1r7c1|3,r6c3r6c4|17,r6c7r7c7|9,r6c8r7c8|14,r7c2r7c3r8c2|18,r7c4r8c3r8c4|19,r6c5r7c5r8c5|15,r6c6r7c6r8c6|11,r7c0r8c0r8c1|4,r8c7r8c8", "solution": "374895126815426379926173458587341962132689547649752831793214685261538794458967213", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3411, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3409, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-05-07", "puzzle": 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"11,r0c0r0c1|17,r0c3r0c4r0c5r1c5|9,r0c6r0c7|13,r1c0r1c1r2c0r3c0|15,r0c2r1c2|26,r1c3r1c4r2c3r2c4|15,r0c8r1c7r1c8|13,r2c1r2c2|10,r1c6r2c6|7,r3c2r3c3|16,r3c4r4c4r5c4|11,r2c5r3c5|9,r2c7r3c7|9,r2c8r3c8|10,r3c1r4c0r4c1|14,r4c2r4c3r5c2|13,r3c6r4c5r4c6|21,r4c7r4c8r5c7|14,r5c0r6c0|10,r5c1r6c1|7,r5c3r6c3|8,r5c5r5c6|7,r6c2r7c2|11,r6c6r6c7|16,r7c0r7c1r8c0|19,r6c4r6c5r7c4r7c5|10,r7c6r8c6|25,r5c8r6c8r7c7r7c8|8,r8c1r8c2|23,r7c3r8c3r8c4r8c5|8,r8c7r8c8", "solution": "567943812238561794194872356756189243419236578823457169685314927342795681971628435", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3412, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3413, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-05-08", "puzzle": "11,r0c4r0c5r1c5|22,r0c0r0c1r0c2r1c0|19,r1c1r1c2r2c1|8,r0c3r1c3|21,r0c6r0c7r0c8r1c6|9,r1c7r1c8|26,r2c2r2c3r3c3r3c4r3c5|18,r1c4r2c4r2c5|18,r2c6r2c7r3c6r3c7|8,r2c0r3c0|21,r3c1r3c2r4c1r4c2|6,r4c0r5c0|13,r5c1r5c2|6,r4c3r4c4r5c3|18,r4c6r5c6r6c6|9,r4c7r5c7|24,r2c8r3c8r4c8r5c8r6c7r6c8|21,r6c0r6c1r6c2r6c3|17,r5c4r6c4|20,r4c5r5c5r6c5|33,r7c0r7c1r7c2r8c0r8c1r8c2|35,r7c4r7c5r7c6r7c7r7c8r8c8|9,r7c3r8c3|3,r8c4r8c5|10,r8c6r8c7", "solution": "852671934796243581341859627538764192419328756267195843624987315185436279973512468", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3413, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3416, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-05-09", "puzzle": "15,r0c2r1c2r2c2|17,r0c0r0c1r1c0|12,r0c3r1c3|14,r0c4r0c5r1c4|11,r0c6r1c5r1c6|19,r0c7r0c8r1c7|4,r1c1r2c1|13,r1c8r2c7r2c8|14,r2c0r3c0|12,r3c1r3c2r4c1|13,r2c3r3c3|11,r2c4r3c4|19,r2c5r2c6r3c5|14,r3c6r3c7r4c6|5,r4c0r5c0|14,r4c3r4c4r4c5|10,r3c8r4c8|23,r4c2r5c1r5c2|7,r5c3r6c2r6c3|8,r5c4r6c4|4,r5c5r6c5|19,r4c7r5c6r5c7|10,r5c8r6c8|18,r6c0r6c1r7c0|14,r6c7r7c7|17,r7c1r8c0r8c1|10,r7c2r7c3r8c2|18,r7c4r8c3r8c4|17,r7c5r8c5|6,r7c8r8c7r8c8|17,r6c6r7c6r8c6", "solution": "784315269215986347936724815523697184179842536468153972692431758357268491841579623", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3416, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3415, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-05-08", "puzzle": "8,r0c0r0c1|0,r0c3r0c4r0c5|0,r0c6r0c7r1c7|0,r1c0r1c1|0,r0c2r1c2r2c2|9,r1c4r1c5|0,r0c8r1c8r2c8|13,r1c3r2c3|0,r2c4r2c5|0,r1c6r2c6|13,r2c0r2c1r3c0|0,r3c1r3c2|0,r3c3r3c4r4c4r5c4|19,r2c7r3c7r4c7|37,r4c1r4c2r4c3r5c2r5c3r6c3|0,r3c5r3c6r4c5|21,r3c8r4c8r5c8|0,r4c0r5c0r5c1|0,r4c6r5c6|16,r6c0r6c1r7c0r8c0|19,r6c4r7c4r7c5|21,r5c5r6c5r6c6r7c6|16,r5c7r6c7|0,r6c2r7c2r7c3r8c2r8c3r8c4|0,r6c8r7c7r7c8|0,r7c1r8c1|14,r8c5r8c6|3,r8c7r8c8", "solution": "534168927861972543729453681417385269692714358385629174246831795158297436973546812", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3415, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3417, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-05-09", "puzzle": "4,r0c0r0c1|16,r0c2r0c3r1c3|8,r0c4r0c5|22,r0c6r0c7r0c8|17,r1c0r1c1|24,r1c6r1c7r2c7r3c7|15,r1c2r2c1r2c2|12,r1c4r1c5r2c4|13,r2c5r2c6|12,r1c8r2c8r3c8|11,r2c0r3c0r4c0|15,r2c3r3c3r3c4|14,r3c1r3c2r4c1|10,r4c2r5c2|20,r3c5r4c3r4c4r4c5r5c3|6,r3c6r4c6|12,r4c7r5c6r5c7|21,r5c4r5c5r6c5|13,r4c8r5c8r6c8|16,r5c0r6c0r7c0|14,r6c2r6c3|16,r6c4r7c3r7c4|16,r6c6r6c7r7c6|22,r5c1r6c1r7c1r7c2|8,r7c7r7c8|13,r8c0r8c1r8c2|9,r8c3r8c4|14,r7c5r8c5r8c6|12,r8c7r8c8", "solution": "137426895894531762265789431642357189389142576571698324726814953458963217913275648", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3417, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3418, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-05-09", "puzzle": "24,r0c3r0c4r1c3r1c4|3,r0c5r0c6|32,r0c0r0c1r0c2r1c0r1c1r1c2|9,r1c5r1c6|8,r0c7r1c7|14,r0c8r1c8|10,r2c1r2c2r3c2|18,r2c3r2c4r3c3|11,r2c5r2c6|15,r2c7r2c8r3c8r4c8|10,r2c0r3c0|24,r3c4r3c5r3c6r4c6|12,r3c1r4c1r5c1|8,r4c3r4c4r4c5|24,r3c7r4c7r5c7|24,r4c2r5c2r5c3r5c4|14,r5c8r6c8|19,r4c0r5c0r6c0r6c1|11,r6c2r6c3|16,r5c5r6c4r6c5|9,r5c6r6c6r6c7|3,r7c0r8c0|14,r7c1r8c1|10,r7c2r7c3|30,r7c6r7c7r7c8r8c6r8c7r8c8|11,r8c2r8c3|22,r7c4r7c5r8c4r8c5", "solution": "834572169971486325652913847423869571796125483518734296349257618167348952285691734", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3418, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3419, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-05-09", "puzzle": "16,r0c2r0c3r0c4|4,r0c5r0c6|11,r0c0r1c0r2c0|0,r0c1r1c1r1c2r1c3|0,r1c5r1c6|0,r0c7r1c7|14,r0c8r1c8r2c8r3c8|0,r2c1r2c2|0,r1c4r2c3r2c4r2c5|0,r2c6r2c7r3c6|14,r3c2r3c3r3c4|0,r3c0r3c1r4c0r4c1|17,r3c5r4c5r4c6|11,r3c7r4c7|4,r5c0r5c1|13,r4c2r5c2|0,r4c3r5c3r6c3|11,r4c4r5c4r5c5|0,r5c6r6c6|24,r4c8r5c7r5c8|3,r6c1r6c2|0,r6c7r6c8|0,r6c0r7c0r8c0r8c1|12,r7c1r7c2|0,r6c4r6c5r7c3r7c4r8c4|9,r7c5r7c6|12,r7c7r7c8r8c8|0,r8c2r8c3|0,r8c5r8c6r8c7", "solution": "598261374271493586463785921925817463846329157137654298312978645684532719759146832", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3419, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3420, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-05-09", "puzzle": 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"0,r0c3r0c4|15,r0c0r1c0|0,r0c1r0c2r1c1|23,r1c2r1c3r2c3|11,r0c5r1c5|45,r0c6r0c7r0c8r1c6r1c7r1c8r2c6r2c7r2c8|11,r2c0r2c1|0,r1c4r2c4r3c4|0,r2c2r3c2r3c3|19,r2c5r3c5r3c6|0,r3c7r3c8|0,r3c0r4c0|0,r3c1r4c1|0,r4c5r4c6r4c7|0,r4c8r5c8|6,r5c0r5c1|4,r4c2r5c2|28,r4c3r4c4r5c3r5c4|0,r5c6r5c7r6c7|0,r6c0r6c1r6c2r7c2r8c2|5,r6c3r6c4|0,r5c5r6c5r6c6|13,r7c0r7c1r8c0r8c1|0,r7c3r8c3|0,r7c4r7c5|3,r7c6r8c6|0,r6c8r7c7r7c8|13,r8c4r8c5|9,r8c7r8c8", "solution": "814359672739612458652874319587126934963485721241793586495231867176548293328967145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3435, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3436, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-05-13", "puzzle": "20,r0c1r0c2r0c3|15,r0c4r0c5r0c6|4,r0c7r0c8|8,r0c0r1c0|11,r1c1r1c2|11,r1c4r2c4|10,r1c6r2c6|20,r1c7r1c8r2c7|15,r2c0r2c1r3c0|10,r1c3r2c2r2c3|14,r1c5r2c5|8,r3c1r3c2|10,r3c5r3c6|16,r2c8r3c8r4c8|16,r4c1r4c2r5c1|7,r3c3r4c3|20,r3c4r4c4r5c4|8,r4c5r5c5|10,r3c7r4c6r4c7|14,r4c0r5c0r6c0|11,r5c2r5c3|15,r5c6r5c7|17,r6c3r7c3|17,r6c5r6c6r7c5|7,r5c8r6c7r6c8|6,r6c1r7c0r7c1|9,r6c2r7c2|11,r6c4r7c4|14,r7c6r7c7|13,r7c8r8c8|17,r8c0r8c1|12,r8c2r8c3r8c4|9,r8c5r8c6r8c7", "solution": "658724913247139658913685472571468239482397165369251784735946821124873596896512347", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3436, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3437, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-13", "puzzle": 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"15,r0c1r0c2r0c3|12,r0c4r0c5r0c6|23,r0c7r0c8r1c6r1c7|13,r0c0r1c0|24,r1c1r1c2r2c1r2c2r3c1|10,r1c3r2c3|16,r1c4r1c5r2c4r2c5|20,r2c6r2c7r3c6r4c6|9,r1c8r2c8|13,r2c0r3c0|10,r3c2r3c3|11,r3c4r3c5|4,r3c7r4c7|3,r4c0r5c0|16,r4c3r4c4r4c5|15,r3c8r4c8|11,r4c1r5c1|15,r5c3r5c4|7,r5c5r5c6|13,r5c8r6c8|13,r6c0r7c0|18,r4c2r5c2r6c1r6c2|24,r6c3r6c4r7c3r7c4|9,r6c5r7c5|26,r5c7r6c6r6c7r7c6r7c7|3,r7c8r8c8|19,r7c1r7c2r8c0r8c1|13,r8c2r8c3r8c4|20,r8c5r8c6r8c7", "solution": "634829175718435926592617483849156237257943618163782549926371854471598362385264791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3448, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3451, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-05-16", "puzzle": "7,r0c2r1c2|13,r0c4r0c5|5,r0c6r0c7|16,r0c0r0c1r1c0|20,r1c1r2c1r2c2|13,r0c3r1c3|15,r1c4r1c5r1c6|16,r0c8r1c7r1c8|7,r2c4r2c5r3c5|16,r2c0r3c0r3c1|18,r2c3r3c2r3c3|9,r2c6r3c6|10,r2c7r3c7|9,r2c8r3c8|7,r4c0r4c1|8,r4c2r4c3|14,r3c4r4c4r5c4|10,r4c5r4c6|15,r4c7r4c8|6,r5c0r5c1r6c0|19,r5c2r5c3r6c3|13,r5c6r6c6|13,r5c7r6c7|10,r5c8r6c8|18,r5c5r6c4r6c5|23,r7c0r8c0r8c1|12,r6c1r6c2r7c1|8,r7c3r8c3|24,r7c4r7c5r7c6|11,r7c7r7c8r8c8|7,r7c2r8c2|4,r8c4r8c5|9,r8c6r8c7", "solution": "814576329753829461269341875598762134437158296126934758371495682645287913982613547", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3451, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3452, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-05-16", "puzzle": "15,r0c2r0c3|8,r0c0r1c0|10,r0c1r1c1r2c1|17,r1c2r2c2r3c2r4c2|19,r0c4r1c4r2c4|6,r0c5r1c5|5,r0c6r1c6|16,r0c7r1c7|7,r0c8r1c8|22,r1c3r2c3r3c3r4c3|15,r2c5r2c6r3c6|13,r2c7r2c8|16,r2c0r3c0|22,r3c1r4c0r4c1r5c0|33,r3c4r4c4r5c4r5c5r6c5r7c5r8c5|12,r3c5r4c5|11,r3c7r4c7|11,r3c8r4c8|4,r5c2r5c3|8,r4c6r5c6|23,r5c1r6c0r6c1r6c2|7,r6c3r6c4|10,r5c7r6c7|12,r5c8r6c8r7c8|14,r7c2r8c2|19,r7c3r7c4r8c3r8c4|16,r6c6r7c6r7c7|17,r7c0r7c1r8c0r8c1|17,r8c6r8c7r8c8", "solution": "647835291258491376913276458764918532532764189891352764176529843389147625425683917", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3452, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3453, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-05-16", "puzzle": 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"22,r0c2r0c3r1c2r2c2|11,r0c4r0c5|19,r0c6r0c7r1c7|28,r1c3r2c3r3c3r3c4|17,r1c4r1c5r1c6|18,r0c8r1c8r2c7r2c8|23,r0c0r0c1r1c0r1c1r2c0r3c0|12,r2c4r2c5r3c5|7,r2c1r3c1|23,r4c0r4c1r5c0r5c1|18,r3c2r4c2r5c2r6c2|7,r4c3r4c4r4c5|15,r2c6r3c6r4c6r5c6|20,r3c7r3c8r4c7r4c8|11,r5c7r6c7|17,r5c3r6c3r6c4|29,r5c8r6c8r7c7r7c8r8c7r8c8|27,r6c0r6c1r7c0r8c0|6,r7c2r7c3r7c4|22,r5c4r5c5r6c5r7c5|15,r7c1r8c1r8c2|15,r8c3r8c4|23,r6c6r7c6r8c5r8c6", "solution": "384265791129847635567913284413658927798421356256379148641592873872134569935786412", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3458, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3455, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-05-16", "puzzle": 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"19,r0c0r0c1r0c2|11,r1c1r1c2r2c2|0,r0c3r1c3|9,r0c4r1c4|10,r0c5r0c6r1c5|0,r1c6r2c5r2c6|18,r0c7r0c8r1c7r2c7|0,r1c0r2c0|0,r2c3r2c4r3c3|0,r1c8r2c8r3c8|29,r2c1r3c1r4c1r5c1r6c1|0,r3c4r3c5|10,r3c6r3c7|0,r3c0r4c0r5c0|23,r3c2r4c2r4c3r5c2|8,r4c4r4c5|24,r4c6r4c7r4c8|13,r5c4r5c5|3,r5c6r5c7|0,r6c0r7c0|0,r5c3r6c3r6c4|19,r5c8r6c8r7c8|0,r6c2r7c1r7c2|0,r7c3r8c3|0,r7c4r8c4|0,r7c5r8c5r8c6|0,r6c5r6c6r7c6|14,r6c7r7c7r8c7r8c8|17,r8c0r8c1r8c2", "solution": "694857132813642759257391684579218463162435897438976215785123946341769528926584371", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3459, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3457, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-05-17", "puzzle": 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"16,r0c3r1c3|14,r0c6r1c6r2c6|10,r0c7r0c8|7,r0c0r1c0|17,r0c1r0c2r1c1|17,r0c4r0c5r1c4|18,r2c0r2c1r3c1|14,r1c2r2c2r2c3|10,r1c5r2c4r2c5|15,r1c7r1c8r2c7|6,r3c0r4c0|10,r3c6r3c7|9,r2c8r3c8|18,r3c2r4c1r4c2|12,r3c3r4c3r5c3|14,r3c4r4c4r5c4|19,r3c5r4c5r5c5|19,r4c6r4c7r5c6|17,r5c0r6c0|4,r5c1r5c2|8,r4c8r5c8|15,r6c1r7c0r7c1|11,r6c3r6c4r7c3|13,r6c5r6c6r7c6|20,r5c7r6c7r6c8|19,r7c4r8c3r8c4|14,r7c7r8c6r8c7|6,r7c8r8c8|4,r8c0r8c1|17,r6c2r7c2r8c2|12,r7c5r8c5", "solution": "682754319173986425549231786297518643456372891831469257925643178768125934314897562", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3461, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3462, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-05-18", "puzzle": "3,r0c2r0c3|17,r0c6r0c7|13,r0c0r1c0|11,r0c1r1c1|13,r0c4r0c5r1c4|9,r1c6r1c7|4,r0c8r1c8|11,r2c0r2c1|9,r1c2r2c2|12,r1c3r2c3|28,r1c5r2c4r2c5r2c6r2c7|8,r3c0r3c1|21,r3c2r3c3r3c4r4c4|3,r3c5r3c6|13,r2c8r3c8|8,r4c0r4c1|17,r4c2r4c3|33,r4c5r4c6r5c5r5c6r6c5|23,r3c7r4c7r4c8r5c7r5c8|25,r5c0r5c1r6c0r6c1r7c1|27,r5c3r5c4r6c4r7c4r8c4r8c5|15,r5c2r6c2r6c3|15,r6c6r7c5r7c6|3,r6c7r7c7|13,r6c8r7c8|13,r7c0r8c0|3,r8c1r8c2|18,r7c2r7c3r8c3|17,r8c6r8c7r8c8", "solution": "571246893846539271923781645357492168269815437184367952435628719698173524712954386", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3462, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3463, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-05-18", "puzzle": 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"0,r0c1r0c2r0c3r1c2|11,r0c4r0c5|0,r0c0r1c0r2c0r3c0r4c0|0,r1c4r1c5|15,r0c6r1c6r2c6|0,r0c7r1c7|0,r0c8r1c8|18,r1c1r2c1r3c1|0,r1c3r2c3|0,r2c7r2c8r3c7r3c8r4c7|0,r2c2r3c2|0,r2c4r2c5r3c4|7,r3c6r4c6|36,r3c3r3c5r4c3r4c4r4c5r5c3r5c5|14,r4c2r5c2|0,r5c4r6c3r6c4|12,r5c6r6c6|30,r4c1r5c0r5c1r6c0r6c1|11,r6c5r7c5|16,r5c7r6c7r7c7|12,r7c0r8c0|6,r7c1r8c1|0,r6c2r7c2r8c2|0,r7c3r7c4|0,r4c8r5c8r6c8r7c8r8c8|3,r8c3r8c4|18,r7c6r8c5r8c6r8c7", "solution": "674529318531468792298173546362847159185932674749651823927385461413796285856214937", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3464, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3466, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-05-19", "puzzle": "12,r0c0r0c1|13,r0c3r0c4r0c5|3,r0c7r0c8|20,r0c2r1c2r1c3|21,r0c6r1c5r1c6|7,r1c0r1c1r2c0|15,r2c1r2c2|12,r1c4r2c4r3c4|11,r2c6r2c7|18,r1c7r1c8r2c8|10,r3c0r3c1r4c0|9,r2c3r3c3|6,r2c5r3c5|19,r3c7r3c8r4c8|7,r3c2r4c2|13,r3c6r4c6|20,r4c1r5c1r5c2|8,r4c3r5c3|15,r4c4r5c4r6c4|11,r4c5r5c5|10,r4c7r5c6r5c7|13,r5c0r6c0|7,r5c8r6c8|13,r6c1r7c0r7c1|13,r6c2r7c2|8,r6c3r7c3|14,r7c4r8c4|11,r6c5r7c5|4,r6c6r7c6|22,r6c7r7c7r7c8|13,r8c0r8c1|9,r8c2r8c3|5,r8c5r8c6|13,r8c7r8c8", "solution": "758346921123978465469521837612435789375189642894762513586217394237694158941853276", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3466, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3467, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-05-19", "puzzle": 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"19,r0c7r0c8r1c8r2c8|23,r0c0r1c0r2c0r3c0r3c1|14,r0c1r1c1|10,r0c2r1c2|16,r0c3r0c4r1c3r1c4|23,r0c5r1c5r2c5r3c5|14,r0c6r1c6|16,r2c1r2c2r2c3|5,r1c7r2c7|13,r3c2r3c3r4c3|21,r2c4r3c4r4c4r5c4r6c4|9,r2c6r3c6|35,r3c7r3c8r4c6r4c7r4c8|25,r4c0r4c1r4c2r5c0r5c1|13,r5c2r6c2|12,r4c5r5c5r5c6|16,r6c1r7c1|21,r6c5r6c6r6c7|10,r7c2r8c2|22,r5c3r6c3r7c3r8c3|23,r7c4r7c5r8c4r8c5|4,r7c6r8c6|9,r7c7r8c7|19,r5c7r5c8r6c8r7c8r8c8|13,r6c0r7c0r8c0r8c1", "solution": "581437962769182543243956718634718259915243687827695431176324895498571326352869174", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3468, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3471, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-05-20", "puzzle": "12,r0c6r0c7r0c8|17,r0c0r0c1r1c0|17,r1c1r1c2r2c1|12,r0c2r0c3r1c3|18,r0c4r0c5r1c4|6,r2c2r2c3r2c4|13,r1c5r2c5|22,r1c6r2c6r3c6|11,r1c7r1c8r2c8|14,r2c0r3c0r3c1|8,r3c4r3c5|15,r2c7r3c7|21,r3c2r4c1r4c2|15,r3c3r4c3|4,r4c6r4c7|7,r3c8r4c8|12,r4c0r5c0r5c1|13,r5c2r5c3|13,r4c4r4c5r5c4|14,r5c5r5c6r5c7|9,r6c1r6c2r7c1|21,r6c3r6c4r7c4|13,r5c8r6c8|17,r6c0r7c0|7,r7c2r7c3|12,r6c5r7c5r8c5|5,r6c6r7c6|6,r6c7r7c7|13,r8c0r8c1r8c2|11,r8c3r8c4|10,r8c6r8c7|17,r7c8r8c8", "solution": "581469723429738561763215984614953872298647135375821496842596317936174258157382649", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3471, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3470, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-05-19", "puzzle": "18,r0c0r0c1r1c0|0,r0c2r0c3|9,r1c1r1c2r1c3|0,r0c4r0c5r1c4|0,r0c7r1c7|0,r0c8r1c8|8,r2c2r2c3|0,r1c5r2c4r2c5|20,r0c6r1c6r2c6|0,r2c7r2c8|14,r2c0r3c0|5,r2c1r3c1|0,r3c3r4c3|10,r4c0r5c0|17,r4c1r5c1r5c2|12,r3c2r4c2|0,r3c4r3c5r4c4r5c3r5c4|0,r4c6r5c6|11,r3c6r3c7r4c7|13,r3c8r4c8|13,r4c5r5c5|0,r5c7r6c7|16,r5c8r6c8|9,r6c0r6c1|0,r6c2r7c2r8c2|0,r6c3r6c4r7c3|0,r6c5r6c6|3,r7c0r8c0|0,r7c1r8c1|0,r7c4r8c3r8c4|0,r7c5r7c6r7c7|5,r8c5r8c6|0,r7c8r8c7r8c8", "solution": "832516974751394862946287351519742638473968125628135497367821549284659713195473286", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3470, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3472, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-05-20", "puzzle": "20,r0c0r0c1r0c2|12,r0c3r1c3|19,r0c4r0c5r1c4r1c5|3,r0c6r1c6|24,r0c7r0c8r1c7r1c8|9,r1c0r2c0|13,r1c1r1c2r2c1|7,r2c2r2c3|11,r2c7r2c8|13,r3c0r3c1|3,r3c2r3c3|8,r2c4r3c4|23,r2c5r2c6r3c5r3c6|16,r4c0r4c1r4c2|14,r4c5r4c6|24,r3c7r3c8r4c7r4c8|15,r5c0r5c1r6c0|23,r4c3r4c4r5c3r5c4|11,r5c5r6c5|12,r5c6r6c6|6,r5c7r5c8|13,r5c2r6c2r6c3|32,r6c1r7c0r7c1r7c2r8c0r8c1|17,r7c3r8c2r8c3|15,r6c4r7c4r8c4|6,r7c5r8c5|13,r6c7r7c6r7c7|11,r6c8r7c8r8c8|12,r8c6r8c7", "solution": "659732184147568293823419756581273469394156827762984315215647938978325641436891572", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3472, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3473, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-05-20", "puzzle": 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"11,r0c0r0c1r1c0|8,r0c2r0c3r1c3|18,r0c6r0c7r0c8|16,r1c1r1c2|12,r0c4r1c4|12,r0c5r1c5|13,r2c0r2c1r2c2|13,r2c3r2c4|6,r1c6r2c6|20,r1c7r1c8r2c7|7,r3c1r3c2|10,r3c3r3c4|12,r2c5r3c5|18,r2c8r3c7r3c8|10,r3c0r4c0|21,r4c1r4c2r5c2|9,r4c3r4c4r4c5|13,r3c6r4c6r4c7|9,r4c8r5c8|15,r5c0r5c1r6c0|15,r5c3r6c3|11,r5c4r5c5|6,r5c6r5c7|16,r6c1r7c0r7c1|5,r6c2r7c2|7,r6c4r6c5|10,r6c6r6c7r6c8|12,r7c3r8c3|12,r7c4r8c4|16,r7c6r7c7|16,r8c0r8c1r8c2|15,r7c5r8c5r8c6|11,r7c8r8c7r8c8", "solution": "615294738479138256238675491152467389987513642346829517894752163521386974763941825", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3476, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3477, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-05-21", "puzzle": 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"0,r0c0r0c1r1c0r1c1|0,r0c3r0c4|10,r0c6r0c7|0,r0c2r1c2|9,r1c3r1c4|6,r0c5r1c5|3,r1c6r1c7|0,r0c8r1c8|13,r2c0r2c1r3c0|19,r2c2r2c3r2c4r3c4|0,r2c5r2c6|0,r2c7r2c8|5,r3c2r3c3|0,r4c0r5c0|0,r3c1r4c1r5c1|17,r4c2r5c2|21,r3c5r4c3r4c4r4c5r5c3|12,r3c6r4c6|14,r3c7r4c7r5c7|10,r3c8r4c8|0,r5c5r5c6|0,r6c0r6c1|0,r6c2r6c3|19,r5c4r6c4r6c5r6c6|17,r5c8r6c7r6c8|0,r7c0r8c0|0,r7c1r7c2|9,r7c3r8c3|13,r7c4r7c5|0,r7c6r8c6|0,r8c1r8c2|0,r8c4r8c5|19,r7c7r7c8r8c7r8c8", "solution": "286941735497635218153287694742369851638512479519478326924756183371894562865123947", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3494, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3491, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-05-24", "puzzle": 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"17,r0c0r0c1|7,r0c3r0c4r1c3|12,r0c6r0c7r0c8|11,r1c0r1c1|14,r0c2r1c2r2c2|15,r0c5r1c5|6,r1c6r2c6|10,r1c7r1c8|17,r1c4r2c4r2c5|18,r2c7r2c8r3c8|9,r2c0r3c0r4c0|11,r2c1r3c1|14,r2c3r3c3|11,r3c7r4c7|8,r3c2r4c2|13,r4c3r5c2r5c3|18,r3c4r4c4r5c4|18,r3c5r3c6r4c5|11,r4c6r5c6|8,r4c1r5c1|4,r5c5r6c5|8,r5c7r6c7|15,r4c8r5c8r6c8|17,r5c0r6c0r6c1|14,r6c3r6c4r7c4|6,r7c0r7c1|6,r6c2r7c2|16,r7c3r8c3|22,r6c6r7c6r8c6|11,r7c7r7c8|20,r8c0r8c1r8c2|12,r7c5r8c4r8c5|6,r8c7r8c8", "solution": "983427156654198237127635498392864571516379842478251369761583924245916783839742615", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3495, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3496, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-05-25", "puzzle": "19,r0c3r0c4r0c5r1c3|19,r0c6r0c7r0c8|13,r0c0r1c0|8,r0c1r0c2r1c1|12,r1c4r1c5|9,r1c6r1c7|11,r2c0r2c1|22,r1c2r2c2r2c3|5,r2c4r2c5|7,r2c6r2c7|10,r1c8r2c8|16,r3c0r3c1r3c2|15,r3c3r4c3r4c4|8,r3c4r3c5|13,r4c1r4c2|9,r3c6r3c7r4c6|22,r3c8r4c8r5c8|11,r4c0r5c0|6,r5c1r5c2r6c1|32,r4c5r5c5r5c6r6c5r7c5|8,r4c7r5c7|25,r5c3r5c4r6c2r6c3|23,r6c6r6c7r7c6r7c7|35,r6c0r7c0r7c1r8c0r8c1r8c2r8c3|10,r7c2r7c3|9,r6c4r7c4|6,r6c8r7c8r8c8|6,r8c4r8c5|16,r8c6r8c7", "solution": "451286937926375184387941256178653429694812375532497618215769843749138562863524791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3496, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3497, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-05-25", "puzzle": 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"18,r0c3r0c4r1c3|18,r0c6r0c7r0c8|10,r0c0r1c0|15,r0c1r1c1|3,r0c2r1c2|13,r0c5r1c5|12,r1c7r1c8r2c8|8,r2c0r2c1|10,r1c4r2c3r2c4|15,r1c6r2c6r2c7|12,r2c2r3c2|13,r3c3r4c3|10,r2c5r3c5|16,r3c6r3c7|14,r3c0r4c0r5c0|18,r3c1r4c1r4c2|15,r3c4r4c4r5c4|12,r4c6r4c7r5c7|15,r3c8r4c8r5c8|10,r5c1r5c2|7,r5c3r6c3|8,r4c5r5c5|3,r5c6r6c6|13,r6c1r6c2r7c2|14,r6c4r6c5r7c4|13,r6c7r6c8|23,r6c0r7c0r7c1|8,r7c3r8c3|13,r7c6r8c6|13,r7c7r8c7|5,r7c8r8c8|9,r8c0r8c1r8c2|19,r7c5r8c4r8c5", "solution": "481275639672938541359614827513826794298547316746391285927463158864152973135789462", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3500, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3498, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-05-25", "puzzle": "11,r0c0r0c1|3,r0c2r0c3|0,r0c5r0c6|14,r0c7r0c8|13,r1c0r1c1|5,r1c2r1c3|21,r0c4r1c4r2c4|6,r1c5r1c6|15,r1c7r1c8|0,r2c0r2c1|0,r2c7r2c8|20,r2c2r3c1r3c2|26,r2c3r2c5r3c3r3c4r3c5|0,r2c6r3c6r3c7|0,r3c0r4c0|0,r4c2r4c3r5c2|0,r4c5r4c6r5c6|0,r3c8r4c8|0,r4c1r5c1r6c1|25,r4c4r5c3r5c4r5c5|0,r4c7r5c7r6c7|0,r5c0r6c0|0,r6c2r6c3|5,r6c5r6c6|9,r5c8r6c8|15,r7c1r7c2r8c1r8c2|0,r6c4r7c3r7c4r7c5|0,r7c6r7c7r8c6r8c7|0,r7c0r8c0|22,r8c3r8c4r8c5|0,r7c8r8c8", "solution": "381274695492365178567981423749826531628153749135749862956412387274538916813697254", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3498, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3501, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-05-26", "puzzle": "12,r0c0r0c1|9,r0c5r0c6|3,r0c7r0c8|12,r1c0r1c1|10,r0c2r1c2r2c2|22,r0c3r0c4r1c3r1c4|16,r1c7r1c8|11,r2c0r2c1|9,r2c3r2c4|16,r1c5r1c6r2c5|10,r2c7r3c7|28,r3c0r3c1r4c0r5c0r6c0r6c1|24,r3c2r3c3r3c4r4c3|18,r2c6r3c5r3c6|7,r2c8r3c8|9,r4c4r4c5r5c5|22,r4c1r4c2r5c1r5c2|21,r5c3r5c4r6c3r6c4|5,r4c6r5c6|13,r4c7r5c7|14,r4c8r5c8|5,r6c6r6c7|7,r7c0r7c1|17,r6c2r7c2r8c2|12,r7c3r7c4r8c3|12,r7c6r7c7|14,r6c8r7c8|10,r8c0r8c1|32,r6c5r7c5r8c4r8c5r8c6|5,r8c7r8c8", "solution": "397864512482531697651729384916457823238916475574382169745198236169243758823675941", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3501, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3502, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-05-26", "puzzle": "13,r0c1r0c2|13,r0c6r0c7|24,r0c0r1c0r1c1r2c1|14,r0c3r1c2r1c3|15,r0c4r1c4|12,r0c5r1c5r1c6|10,r0c8r1c7r1c8r2c7|16,r2c3r2c4r2c5|17,r2c0r3c0r4c0r5c0|9,r2c2r3c2|16,r3c3r3c4r3c5|13,r2c6r3c6|23,r2c8r3c8r4c8r5c8|20,r3c1r4c1r4c2r4c3|24,r3c7r4c5r4c6r4c7|14,r4c4r5c3r5c4r5c5|15,r5c1r6c0r6c1|16,r5c2r6c2|11,r5c6r6c6|14,r5c7r6c7r6c8|24,r7c0r7c1r8c0r8c1|30,r6c3r6c4r6c5r7c3r7c4r7c5r8c4|19,r7c7r7c8r8c7r8c8|11,r7c2r8c2r8c3|12,r7c6r8c5r8c6", "solution": "276491583853762941194385726325178694418936275967524318549213867781659432632847159", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3502, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3505, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-05-27", "puzzle": "8,r0c0r0c1|8,r0c3r0c4|7,r1c0r1c1|10,r0c2r1c2|16,r1c3r1c4|12,r0c5r1c5|5,r0c6r1c6|23,r0c7r0c8r1c7|18,r2c1r2c2r2c3|8,r2c4r2c5|9,r2c6r2c7|8,r1c8r2c8|11,r2c0r3c0|15,r3c1r3c2r3c3|6,r3c4r3c5|16,r3c6r3c7r3c8|9,r4c0r4c1|3,r4c2r4c3|18,r4c4r4c5r4c6|15,r4c7r4c8|10,r5c0r6c0|14,r5c1r5c2r5c3|14,r5c4r5c5|8,r5c6r5c7r5c8|15,r6c1r6c2r6c3|11,r6c4r6c5|15,r6c6r6c7|5,r6c8r7c8|7,r7c0r7c1|16,r7c2r8c2|11,r7c3r7c4|10,r7c5r8c5|15,r7c6r8c6|10,r7c7r8c7r8c8|14,r8c0r8c1|5,r8c3r8c4", "solution": "714538296256974381398162547862715439541293678973486125125847963437659812689321754", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3505, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3506, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-05-27", "puzzle": 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"14,r0c2r0c3|14,r0c4r0c5|9,r0c6r0c7r0c8|17,r0c0r0c1r1c0|5,r1c1r1c2|12,r1c3r1c4r1c5|13,r1c6r1c7|14,r2c1r2c2|10,r2c3r2c4r3c3|11,r2c5r2c6|14,r1c8r2c7r2c8|15,r2c0r3c0r4c0|9,r3c7r3c8|16,r3c1r4c1|7,r3c2r4c2r5c2|4,r4c3r5c3|20,r3c4r4c4r5c4|13,r3c5r4c5|12,r3c6r4c6r5c6|10,r4c7r5c7|11,r5c0r5c1|16,r4c8r5c8r6c8|15,r6c0r6c1r7c0|13,r6c2r6c3|16,r5c5r6c4r6c5|7,r6c6r6c7|12,r7c1r7c2|17,r7c3r7c4r7c5|13,r7c6r7c7|18,r7c8r8c7r8c8|11,r8c0r8c1r8c2|9,r8c3r8c4|8,r8c5r8c6", "solution": "715968234923417856468532917571289463692374185384156729857691342239845671146723598", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3510, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3511, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-05-28", "puzzle": 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"14,r0c0r0c1r0c2|16,r0c6r0c7r0c8|14,r0c4r1c4|13,r1c0r2c0|14,r1c1r1c2r2c1|13,r0c3r1c3r2c3|15,r2c4r3c4|11,r0c5r1c5r2c5|20,r1c6r1c7r2c7|8,r1c8r2c8|6,r3c0r3c1|10,r2c2r3c2|5,r2c6r3c6|9,r3c7r3c8|8,r3c3r4c3|13,r3c5r4c5|11,r4c0r5c0|10,r4c1r5c1|14,r4c2r5c2r5c3|7,r4c4r5c4|21,r4c6r5c5r5c6|4,r4c7r5c7|14,r4c8r5c8|13,r6c0r6c1|17,r6c3r6c4r6c5|6,r6c7r6c8|16,r6c2r7c1r7c2|16,r7c3r8c3|6,r7c5r8c5|17,r6c6r7c6r7c7|5,r7c0r8c0|11,r8c1r8c2|6,r7c4r8c4|10,r8c6r8c7|12,r7c8r8c8", "solution": "671492583892153746534876192156389427723564819489217635947638251318725964265941378", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3515, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3516, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-29", "puzzle": 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"10,r0c2r0c3|6,r0c4r0c5|17,r0c0r1c0r2c0|0,r0c1r1c1r2c1|0,r1c2r1c3|0,r1c4r1c5|0,r0c6r1c6|21,r0c7r0c8r1c7r1c8|0,r2c3r2c4|21,r2c5r2c6r3c5r3c6|4,r2c7r2c8|13,r2c2r3c2|0,r3c7r4c7|16,r3c8r4c8|14,r3c0r3c1r4c0|0,r4c2r4c3|15,r3c3r3c4r4c4r4c5r5c5|13,r4c6r5c6|0,r4c1r5c1|0,r5c2r5c3r6c3|0,r5c4r6c4|0,r5c7r6c7|9,r5c8r6c8|3,r5c0r6c0|0,r6c1r6c2r7c2|0,r6c5r6c6|0,r7c0r7c1r8c0r8c1|17,r7c3r7c4|0,r7c6r7c7r7c8|5,r8c2r8c3|0,r7c5r8c4r8c5|0,r8c6r8c7r8c8", "solution": "517324986364189752928567413735418269491652837286973541149735628652891374873246195", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3518, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3520, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-05-30", "puzzle": "15,r0c1r0c2r0c3|17,r0c4r0c5|12,r0c0r1c0|7,r1c1r1c2|11,r1c3r1c4r1c5|17,r0c6r1c6r2c6|13,r0c7r1c7r2c7|10,r0c8r1c8|7,r2c0r2c1|12,r2c3r2c4r2c5|17,r3c0r4c0r5c0|16,r2c2r3c1r3c2|18,r3c3r4c3r5c3|14,r3c5r3c6r3c7|13,r2c8r3c8|10,r4c1r4c2|12,r3c4r4c4r5c4|14,r4c5r4c6|10,r4c7r4c8|19,r5c1r5c2r6c2|11,r5c5r5c6r5c7|7,r5c8r6c8|10,r6c0r6c1|17,r6c3r6c4r6c5|7,r7c0r8c0|13,r7c1r7c2|11,r7c3r7c4r7c5|12,r6c6r7c6r8c6|20,r6c7r7c7r8c7|9,r7c8r8c8|15,r8c1r8c2r8c3|9,r8c4r8c5", "solution": "437589621825461739619723485943612578182375946756948213378296154594137862261854397", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3520, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3521, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-05-30", "puzzle": 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"6,r0c3r0c4|0,r0c5r0c6|0,r0c0r1c0r2c0|28,r0c1r0c2r1c1r1c2|13,r1c3r2c3|0,r1c5r2c5|6,r0c7r1c7|4,r0c8r1c8|8,r2c1r2c2|8,r1c4r2c4|23,r1c6r2c6r2c7|0,r3c0r3c1|15,r3c2r3c3|0,r3c4r3c5r3c6|0,r4c0r4c1|5,r4c2r4c3|17,r4c4r4c5|0,r4c6r4c7|0,r5c0r5c1|0,r5c2r5c3|18,r5c4r5c5r5c6|0,r2c8r3c7r3c8r4c8r5c7r5c8r6c8|0,r6c1r6c2|0,r6c4r7c4|0,r6c6r6c7r7c6|24,r6c0r7c0r8c0|12,r7c1r7c2r8c1r8c2|0,r6c3r7c3|0,r6c5r7c5|13,r7c7r8c7|16,r7c8r8c8|0,r8c3r8c4|0,r8c5r8c6", "solution": "496518723358927641217463895189632574574189362632754918745891236963245187821376459", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3523, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3524, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-05-31", "puzzle": 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"14,r0c2r0c3r0c4|6,r0c6r0c7|17,r0c0r0c1r1c0|14,r1c1r1c2r2c2|18,r0c5r1c4r1c5|10,r0c8r1c8|13,r2c0r2c1|7,r1c3r2c3r3c3|11,r2c4r2c5|19,r1c6r1c7r2c6|5,r3c4r3c5|16,r2c7r3c7|7,r2c8r3c8|13,r3c0r4c0r5c0|13,r3c1r4c1r5c1|19,r3c2r4c2r5c2|21,r4c3r4c4r4c5|12,r3c6r4c6r5c6|14,r4c7r4c8|6,r5c4r5c5|8,r5c7r6c7|12,r5c8r6c8|13,r6c0r6c1|18,r5c3r6c3r7c3|3,r6c4r6c5|12,r6c6r7c6r7c7|10,r7c0r8c0r8c1|20,r6c2r7c1r7c2|22,r7c4r7c5r8c5|7,r7c8r8c8|13,r8c2r8c3r8c4|12,r8c6r8c7", "solution": "961583247247196583853274691589432176124867359736915824495321768378659412612748935", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3528, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3529, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-06-01", "puzzle": 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"10,r0c4r0c5|0,r0c6r0c7|28,r0c0r0c1r1c0r1c1r2c0r2c1|19,r0c2r1c2r2c2r2c3|5,r0c3r1c3|0,r1c5r1c6r1c7|10,r0c8r1c8|0,r1c4r2c4r3c4|0,r2c7r2c8|24,r3c0r3c1r4c1|13,r2c5r3c5|0,r2c6r3c6r3c7|10,r3c2r3c3r4c2|0,r4c6r4c7r5c7|10,r4c0r5c0|0,r5c1r5c2|0,r4c4r4c5r5c4|5,r5c5r5c6|14,r3c8r4c8r5c8|18,r4c3r5c3r6c3|8,r6c4r6c5|35,r6c6r6c7r6c8r7c7r7c8r8c7r8c8|0,r6c0r7c0r8c0|0,r6c1r7c1|0,r6c2r7c2|0,r7c4r7c5r7c6r8c6|0,r8c1r8c2|0,r7c3r8c3|8,r8c4r8c5", "solution": "869137542321465978547289163783594621692318754415672389278953416956841237134726895", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3531, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3533, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-06-02", "puzzle": "11,r0c1r0c2|15,r0c3r0c4r0c5|12,r0c6r0c7|14,r0c0r1c0|17,r1c3r1c4r1c5|8,r0c8r1c8|6,r1c1r2c1|7,r1c2r2c2|11,r1c6r2c6|5,r1c7r2c7|10,r2c0r3c0|13,r3c1r3c2|10,r2c3r3c3|9,r2c4r3c4|12,r2c5r3c5|9,r3c6r3c7|11,r2c8r3c8|3,r4c2r4c3|14,r4c4r5c4|10,r4c5r4c6|6,r4c0r5c0|17,r4c1r5c1|12,r5c2r5c3|10,r5c5r5c6|10,r4c7r5c7|8,r4c8r5c8|8,r6c1r6c2|18,r6c3r6c4r6c5|6,r6c6r6c7|14,r6c0r7c0|18,r7c1r7c2r8c2|14,r7c3r7c4r7c5|12,r7c6r7c7r8c6|10,r6c8r7c8|5,r8c0r8c1|13,r8c3r8c4r8c5|17,r8c7r8c8", "solution": "629375481814692537753148629376954812491283765285761943962837154538419276147526398", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3533, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3534, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-06-02", "puzzle": "10,r0c1r0c2r1c2|19,r0c3r0c4r0c5r1c5|33,r0c6r0c7r0c8r1c8r2c8|16,r0c0r1c0r1c1|11,r1c3r1c4|9,r2c4r2c5|6,r1c6r2c6|9,r1c7r2c7r3c7|10,r2c0r3c0|18,r2c1r3c1r4c1|30,r2c2r2c3r3c2r3c3|9,r4c0r5c0|14,r4c2r5c2r5c3|25,r3c4r4c3r4c4r4c5r5c4|13,r3c5r3c6r4c6|9,r3c8r4c8|22,r5c5r5c6r6c5r6c6|19,r4c7r5c7r6c7|4,r5c8r6c8|12,r5c1r6c1r7c1|12,r6c2r7c2|16,r6c3r6c4|11,r7c4r7c5|18,r7c7r7c8r8c8|23,r6c0r7c0r8c0r8c1r8c2|16,r7c3r8c3r8c4r8c5|11,r7c6r8c6r8c7", "solution": "845217396261389547937645128179864235583921764426573981614792853398156472752438619", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3534, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3535, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-06-02", "puzzle": "15,r0c0r0c1r0c2|6,r0c3r0c4|26,r1c0r1c1r1c2r2c1r3c1|28,r0c5r0c6r0c7r1c6r1c7|8,r0c8r1c8|25,r1c3r1c4r2c3r2c4|13,r1c5r2c5|3,r2c0r3c0|13,r2c6r3c6|10,r2c8r3c8|23,r4c0r4c1r5c1r6c1|29,r2c2r3c2r3c3r4c2r4c3r5c3|17,r3c4r4c4r5c4|26,r3c5r4c5r4c6r5c5r5c6r6c6|19,r2c7r3c7r4c7r4c8|8,r5c0r6c0|8,r5c2r6c2|11,r5c8r6c8|13,r6c3r7c3|14,r6c4r6c5r7c4r7c5|15,r7c0r8c0|28,r7c1r7c2r8c1r8c2r8c3|25,r5c7r6c7r7c6r7c7r7c8|9,r8c4r8c5|13,r8c6r8c7r8c8", "solution": "753421986481596732269387541174263859825149673396875214542638197938712465617954328", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3535, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3538, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-06-03", "puzzle": "9,r0c1r0c2|11,r0c3r0c4|12,r0c5r0c6|17,r0c7r0c8r1c7|6,r0c0r1c0|12,r1c1r1c2|17,r1c3r1c4|5,r1c5r1c6|20,r2c2r2c3r2c4|9,r2c5r2c6|8,r1c8r2c7r2c8|10,r2c0r2c1r3c0|9,r3c1r3c2|14,r3c4r3c5|18,r3c7r4c7r5c7|14,r4c0r4c1r4c2|19,r3c3r4c3r5c3|5,r4c4r4c5|12,r3c6r4c6r5c6|15,r3c8r4c8r5c8|20,r5c0r6c0r6c1|13,r5c1r5c2|7,r5c4r5c5|12,r6c2r6c3r6c4|10,r6c5r6c6|20,r6c7r6c8r7c8|12,r7c0r8c0|3,r7c1r7c2|13,r7c3r7c4|13,r7c5r7c6|12,r8c1r8c2|4,r8c3r8c4|12,r8c5r8c6|12,r7c7r8c7r8c8", "solution": "281653974475892361639471852127368495563914287894725613756249138312586749948137526", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3538, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3540, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-06-03", "puzzle": 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"17,r0c2r0c3|13,r0c0r0c1r1c0r1c1|11,r1c2r1c3|12,r0c4r1c4|14,r0c5r0c6r1c5r1c6|32,r0c7r0c8r1c7r1c8r2c7|11,r2c1r3c1|6,r2c5r2c6|12,r2c0r3c0|15,r2c2r2c3r3c2r3c3|9,r2c4r3c4|12,r3c5r3c6|14,r3c7r4c7|8,r2c8r3c8|9,r4c0r4c1|8,r4c2r4c3|17,r5c0r5c1r6c0r6c1|23,r4c4r4c5r5c4r5c5|16,r4c6r5c6r5c7|8,r4c8r5c8|5,r5c2r6c2|14,r5c3r6c3|13,r6c4r6c5r7c5|30,r7c0r7c1r7c2r8c0r8c1|10,r7c3r7c4|18,r6c6r6c7r7c6|27,r6c8r7c7r7c8r8c6r8c7r8c8|11,r8c2r8c3|10,r8c4r8c5", "solution": "218976435469253178375184296946317582723548961581629347134862759892735614657491823", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3539, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3543, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-06-04", "puzzle": "6,r0c0r0c1|13,r0c2r0c3|15,r0c4r0c5r1c5|9,r1c1r1c2r2c1|15,r1c3r1c4r2c3|11,r0c6r1c6|8,r0c7r1c7|15,r0c8r1c8|15,r1c0r2c0|16,r2c2r3c2|8,r2c4r2c5|11,r2c6r2c7r2c8|15,r3c0r3c1|7,r3c6r3c7|7,r4c0r4c1r4c2|14,r3c3r4c3r5c3|16,r3c4r4c4r5c4|15,r3c5r4c5r5c5|14,r4c6r4c7|16,r3c8r4c8r5c8|8,r5c0r5c1|8,r5c6r5c7|12,r6c0r7c0|10,r5c2r6c2|5,r6c4r6c5|17,r6c6r6c7r6c8|14,r6c1r7c1r7c2|15,r6c3r7c3r7c4|11,r7c6r8c6|10,r7c7r8c7|7,r7c8r8c8|12,r8c0r8c1|8,r8c2r8c3|22,r7c5r8c4r8c5", "solution": "156724938843619257729853641697138524214975863538462179972541386361287495485396712", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3543, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3544, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-06-04", "puzzle": "16,r0c3r0c4|4,r0c5r0c6|7,r0c7r0c8|23,r0c0r1c0r2c0r3c0|15,r0c1r1c1|11,r0c2r1c2r2c2|18,r1c3r1c4r1c5r1c6|10,r2c5r2c6|16,r1c7r1c8r2c7|10,r2c1r3c1|12,r2c3r3c3|5,r2c4r3c4|15,r3c5r3c6r3c7|17,r2c8r3c8|6,r4c0r4c1|29,r3c2r4c2r4c3r4c4r5c2|19,r4c5r4c6r4c7r4c8|5,r5c1r6c1|8,r5c3r6c3|14,r5c4r6c4|15,r5c5r5c6r5c7|11,r5c8r6c8|7,r6c5r6c6|14,r6c7r7c7r7c8|20,r5c0r6c0r7c0r8c0|11,r7c1r8c1|19,r6c2r7c2r8c2|19,r7c3r7c4r7c5r7c6|8,r8c3r8c4|15,r8c5r8c6|6,r8c7r8c8", "solution": "684973125972145836315826479591437268246598713738261594129684357467352981853719642", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3544, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3548, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-06-05", "puzzle": "6,r0c1r0c2|10,r0c5r0c6|7,r0c7r0c8|18,r0c0r1c0r2c0|22,r0c3r0c4r1c3|10,r1c5r1c6|13,r1c7r1c8|17,r1c1r1c2r2c1|6,r2c2r2c3|6,r1c4r2c4|6,r3c3r3c4|11,r2c5r2c6r3c5|20,r2c7r3c6r3c7|16,r2c8r3c8|7,r3c0r4c0|8,r3c1r4c1|9,r3c2r4c2|22,r4c3r4c4r4c5|9,r4c6r5c6|8,r4c7r5c7|8,r4c8r5c8|5,r5c0r6c0|20,r5c1r5c2r6c1|11,r5c3r6c2r6c3|9,r5c4r5c5|16,r6c4r7c4|12,r6c5r6c6|14,r6c7r7c6r7c7|12,r7c0r7c1|15,r7c2r7c3|7,r7c5r8c4r8c5|13,r6c8r7c8r8c8|13,r8c0r8c1|8,r8c2r8c3|11,r8c6r8c7", "solution": "951768243327914685684253197516427839273589416498136572132895764849672351765341928", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3548, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3545, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-06-04", "puzzle": "6,r0c0r0c1|10,r0c3r0c4|15,r0c5r0c6r0c7|16,r1c0r1c1r2c0|12,r0c2r1c2|12,r1c3r1c4r1c5|11,r1c6r1c7|14,r0c8r1c8|24,r2c2r2c3r3c2r3c3|22,r2c5r2c6r2c7r2c8r3c8|23,r2c1r3c0r3c1r4c0|25,r2c4r3c4r4c4r5c4r6c4|7,r3c5r3c6|7,r4c1r5c1|6,r4c2r4c3|12,r4c5r4c6|11,r3c7r4c7|11,r5c2r5c3|22,r4c8r5c7r5c8r6c7|33,r5c0r6c0r6c1r6c2r6c3|15,r5c5r5c6r6c5r6c6|9,r7c0r8c0|3,r7c1r7c2|23,r7c3r7c4r7c5|9,r7c6r8c6|8,r6c8r7c7r7c8|17,r8c1r8c2r8c3|8,r8c4r8c5|14,r8c7r8c8", "solution": "245378619197426835638591472752914368814263957963857124386742591521689743479135286", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3545, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3549, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-06-05", "puzzle": "13,r0c2r0c3r1c2|20,r0c5r0c6r0c7r1c7|17,r0c0r1c0|7,r0c1r1c1|11,r0c4r1c4|14,r1c5r1c6|7,r0c8r1c8|11,r2c1r2c2|15,r1c3r2c3r2c4r2c5|15,r2c6r2c7r2c8|12,r2c0r3c0|8,r3c5r3c6r3c7|25,r3c1r3c2r4c0r4c1|14,r3c3r4c3r5c3|10,r3c4r4c4|15,r4c5r4c6r4c7|17,r3c8r4c8r5c8|7,r5c0r5c1|6,r4c2r5c2|20,r5c4r5c5r6c4|11,r5c6r5c7|20,r6c1r6c2r6c3|20,r6c5r6c6r6c7r6c8r7c5|10,r6c0r7c0r8c0|9,r7c1r7c2|10,r7c3r7c4|13,r7c6r7c7|13,r8c1r8c2|11,r8c3r8c4|5,r8c5r8c6|19,r7c8r8c7r8c8", "solution": "912846735863175942574239168786392514295614387431587296349758621127463859658921473", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3549, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3550, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-06-05", "puzzle": "12,r0c0r0c1|9,r0c2r0c3|21,r0c6r0c7r0c8r1c6|13,r0c4r1c4r2c4|16,r0c5r1c5r2c5|13,r1c7r1c8|19,r1c0r1c1r1c2r2c0r2c1|21,r1c3r2c2r2c3|5,r2c6r2c7|9,r3c3r3c4|16,r3c5r3c6r3c7|33,r3c0r3c1r4c0r4c1r5c0r5c1|8,r3c2r4c2|10,r4c3r4c4|28,r4c5r5c5r6c5r7c5r7c6r8c5|20,r4c6r5c6r6c6|11,r4c7r5c7|20,r2c8r3c8r4c8r5c8r6c8|7,r5c2r6c2|3,r5c3r6c3|16,r5c4r6c4r7c4|17,r6c0r7c0r8c0|12,r6c1r7c1|28,r7c2r7c3r8c3r8c4|22,r6c7r7c7r7c8r8c8|8,r8c1r8c2|8,r8c6r8c7", "solution": "576328419239461785418957236397542861851736942624189573743215698985673124162894357", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3550, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3553, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-06-06", "puzzle": "7,r0c1r0c2|7,r0c6r0c7|16,r0c0r1c0r1c1|11,r0c3r1c3|3,r0c4r1c4|12,r0c5r1c5|24,r0c8r1c7r1c8|18,r1c2r2c2r3c2|8,r1c6r2c6r3c6|10,r2c0r3c0|16,r2c1r3c1r4c1|16,r2c3r3c3|12,r2c4r3c4r4c4|12,r2c5r3c5|19,r2c7r3c7r4c7|3,r2c8r3c8|6,r4c2r4c3|10,r4c5r4c6|11,r4c0r5c0|13,r5c2r5c3|8,r5c5r5c6|10,r4c8r5c8|12,r5c1r6c1|11,r6c2r6c3|14,r5c4r6c4|8,r6c5r6c6|10,r5c7r6c7|10,r6c0r7c0r7c1|9,r7c2r7c3|13,r7c5r7c6|12,r6c8r7c7r7c8|10,r8c0r8c1|4,r8c2r8c3|16,r7c4r8c4|15,r8c5r8c6|9,r8c7r8c8", "solution": "752618439369524178481739562678943251914257386235861794597482613146395827823176945", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3553, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3554, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-06-06", "puzzle": "12,r0c0r0c1|14,r0c3r0c4r0c5|38,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|7,r1c0r1c1|11,r0c2r1c2|18,r1c4r1c5r2c4r3c4|9,r2c1r2c2|17,r1c3r2c3|13,r2c0r3c0|16,r3c2r3c3r4c2|23,r2c5r2c6r3c5r3c6|25,r3c7r4c5r4c6r4c7|16,r3c1r4c0r4c1r5c0|10,r4c3r4c4r5c3r5c4|13,r3c8r4c8r5c8|11,r5c1r5c2|13,r5c5r6c4r6c5|11,r5c6r5c7|26,r6c0r6c1r6c2r7c2r8c2|7,r6c3r7c3|13,r6c6r7c6|10,r6c7r6c8|19,r7c0r7c1r8c0r8c1|27,r7c4r7c5r8c3r8c4|7,r7c7r8c7|14,r7c8r8c8|5,r8c5r8c6", "solution": "394761582257843619681925734762598341419237865538416297846152973123679458975384126", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3554, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3555, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-06-06", "puzzle": "19,r0c2r0c3r0c4|15,r0c5r0c6|4,r0c7r0c8|15,r0c0r1c0r2c0|13,r0c1r1c1|9,r1c2r1c3r1c4|12,r1c5r1c6r1c7|18,r2c1r2c2r3c2|26,r2c4r2c5r3c4r3c5r3c6r3c7|9,r2c6r2c7|19,r1c8r2c8r3c8|6,r3c0r3c1|15,r2c3r3c3|12,r4c0r4c1|20,r4c2r4c3r4c4r4c5r4c6|13,r4c7r4c8|10,r5c5r6c5|8,r5c7r5c8|13,r5c0r6c0r7c0|14,r6c1r6c2|33,r5c1r5c2r5c3r5c4r6c3r6c4|6,r5c6r6c6r6c7|14,r7c1r7c2r7c3|17,r7c4r7c5r7c6|17,r7c7r8c7|12,r6c8r7c8r8c8|5,r8c0r8c1|13,r8c2r8c3|18,r8c4r8c5r8c6", "solution": "254968713781354269693712458516837942932145876847629135468591327175283694329476581", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3555, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3558, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-06-07", "puzzle": "7,r0c4r0c5|16,r0c0r1c0|8,r0c1r1c1|14,r0c2r1c2|6,r0c3r1c3|17,r1c4r1c5|9,r0c6r1c6|4,r0c7r1c7|9,r0c8r1c8|5,r2c1r2c2|20,r2c4r2c5r2c6|16,r2c7r3c7|10,r2c0r3c0|8,r3c1r3c2|11,r2c3r3c3r4c3|14,r3c5r3c6|10,r2c8r3c8|16,r4c0r4c1r4c2|13,r3c4r4c4r5c4|14,r4c6r4c7r4c8|7,r5c0r6c0|14,r5c2r5c3|13,r4c5r5c5r6c5|8,r5c6r5c7|12,r5c8r6c8|9,r5c1r6c1|10,r6c2r6c3r6c4|15,r6c6r6c7|8,r7c0r8c0|12,r7c1r8c1|16,r7c2r8c2|9,r7c3r7c4|11,r7c5r8c5|9,r7c6r8c6|6,r7c7r8c7|6,r7c8r8c8|13,r8c3r8c4", "solution": "958261437736498512214357896862135974493726158175984263621543789347819625589672341", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3558, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3559, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-06-07", "puzzle": 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"18,r0c0r0c1r1c0|15,r0c6r0c7|15,r0c2r0c3r0c4r1c2r1c3|22,r0c5r1c4r1c5r2c4|10,r1c6r1c7r2c6|15,r0c8r1c8|15,r1c1r2c1|32,r2c2r2c3r3c3r3c4r4c3|5,r2c7r2c8|9,r2c0r3c0|16,r2c5r3c5r3c6r3c7|23,r3c1r3c2r4c1r5c1|8,r4c4r4c5|9,r3c8r4c7r4c8|11,r4c0r5c0r6c0|15,r4c2r5c2|8,r5c3r5c4r6c4|20,r4c6r5c6r6c6|28,r5c7r5c8r6c7r6c8|3,r6c1r7c1|24,r6c2r6c3r7c2r7c3r7c4|15,r5c5r6c5r7c5|16,r7c0r8c0|26,r8c1r8c2r8c3r8c4r8c5|8,r7c6r8c6|19,r7c7r7c8r8c7r8c8", "solution": "391254876674318529582697341469873152158962734237145968826731495715429683943586217", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3560, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3563, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-06-08", "puzzle": 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"19,r0c0r0c1r1c0|8,r0c4r0c5r0c6|8,r0c7r0c8|15,r0c2r1c1r1c2|22,r0c3r1c3r2c3|15,r1c4r1c5r2c4|6,r1c7r1c8|12,r2c0r2c1r3c0|14,r1c6r2c5r2c6|21,r2c7r2c8r3c8|13,r2c2r3c2|5,r3c3r3c4|13,r3c5r3c6|11,r3c1r4c0r4c1|18,r4c2r4c3r4c4|3,r4c5r4c6|13,r3c7r4c7|9,r5c1r6c1|23,r5c2r5c3r5c4|12,r5c6r5c7r6c6|16,r4c8r5c8|6,r5c0r6c0|9,r6c3r6c4|14,r5c5r6c5|9,r6c7r6c8|4,r6c2r7c2|11,r7c3r7c4|11,r7c6r7c7|23,r7c0r7c1r8c0|10,r8c1r8c2r8c3|15,r7c5r8c4r8c5|13,r8c6r8c7|4,r7c8r8c8", "solution": "975814326382976415164523798519237684736481259248695137451369872893742561627158943", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3568, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3569, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-06-09", "puzzle": 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"22,r0c4r0c5r1c4r1c5|8,r0c7r0c8|17,r0c0r0c1r0c2r1c0|11,r0c3r1c2r1c3|12,r0c6r1c6|15,r1c7r1c8r2c8|13,r1c1r2c0r2c1|25,r2c2r2c3r3c2r3c3|23,r2c4r2c5r2c6|9,r3c0r3c1|7,r3c5r3c6|8,r2c7r3c7|18,r4c0r4c1r5c0|9,r4c2r4c3|11,r3c4r4c4r5c4|10,r4c5r4c6|19,r3c8r4c7r4c8|15,r5c1r6c1|8,r5c2r5c3|12,r5c7r5c8|12,r6c2r6c3r6c4|19,r5c5r5c6r6c5r6c6|14,r6c7r6c8r7c7|17,r6c0r7c0r7c1|10,r7c2r8c2|11,r7c5r7c6r8c5|21,r7c8r8c6r8c7r8c8|7,r8c0r8c1|22,r7c3r7c4r8c3r8c4", "solution": "456283971298147356137596824814972563365418297972635148683729415749351682521864739", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3571, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3572, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-03-17", "puzzle": 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"17,r0c0r0c1r1c0r2c0|18,r0c2r1c1r1c2|22,r0c3r0c4r1c3r1c4|9,r0c6r1c6|5,r2c2r3c2|40,r0c7r0c8r1c7r1c8r2c7r2c8r3c8|11,r2c1r3c0r3c1|12,r2c3r3c3|5,r2c4r3c4|45,r0c5r1c5r2c5r2c6r3c5r3c6r4c5r4c6r5c6|20,r3c7r4c7r4c8r5c8|17,r4c0r5c0r6c0|21,r4c3r5c3r6c3r7c3|9,r4c4r5c4|7,r6c2r7c2|20,r5c5r6c4r6c5r6c6|10,r5c7r6c7|13,r7c4r7c5|7,r6c8r7c8|11,r7c0r8c0|41,r4c1r4c2r5c1r5c2r6c1r7c1r8c1|9,r8c2r8c3|7,r8c4r8c5|29,r7c6r7c7r8c6r8c7r8c8", "solution": "819253647245967381673418259132849576984576132567321498356792814491685723728134965", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3573, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3580, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-03-24", "puzzle": 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"14,r0c0r0c1r1c0|20,r0c2r0c3r0c4r1c3|28,r0c5r0c6r0c7r0c8r1c7|9,r1c5r1c6|14,r1c8r2c8|16,r1c1r1c2r2c1|11,r1c4r2c4|5,r2c6r2c7|14,r2c0r3c0r3c1r4c0|18,r2c2r2c3r3c2r3c3|32,r2c5r3c5r3c6r4c5r4c6|19,r3c7r3c8r4c7|8,r4c1r4c2|14,r3c4r4c3r4c4|29,r5c2r5c3r5c4r6c3r6c4|13,r5c5r5c6r6c5r6c6|14,r4c8r5c7r5c8|26,r5c0r6c0r7c0r7c1r8c0|14,r5c1r6c1|7,r6c7r6c8|13,r6c2r7c2|5,r8c1r8c2|20,r7c3r7c4r8c3|11,r7c5r8c4r8c5|11,r7c6r8c6|20,r7c7r7c8r8c7r8c8", "solution": "147395826982146375563278419436719582271854693859623147395482761728561934614937258", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3581, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3583, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-03-27", "puzzle": 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"16,r0c0r0c1r1c0r1c1|17,r0c2r0c3|21,r0c4r0c5r0c6r0c7r1c6r1c7|39,r1c3r1c4r1c5r2c4r2c5r2c6r2c7|15,r0c8r1c8|36,r1c2r2c1r2c2r2c3r3c3r3c4|18,r2c0r3c0r4c0r4c1|12,r3c1r3c2r4c2|13,r2c8r3c7r3c8|11,r4c3r4c4|21,r3c5r3c6r4c5r4c6|4,r5c5r5c6|20,r4c7r4c8r5c7r5c8|25,r5c0r5c1r6c0r6c1r6c2|41,r5c4r6c4r6c5r6c6r6c7r7c4r7c5r8c4|25,r5c2r5c3r6c3r7c3|23,r6c8r7c7r7c8r8c7r8c8|16,r7c0r8c0|15,r7c1r7c2r8c1r8c2r8c3|17,r7c6r8c5r8c6", "solution": "218945637495376128376182495623894571187653942549721386862419753734568219951237864", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3586, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3587, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-03-31", "puzzle": 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"8,r0c1r0c2r1c1|9,r0c3r0c4|15,r0c5r0c6|10,r0c0r1c0|12,r1c3r1c4|25,r0c7r0c8r1c6r1c7r1c8|15,r2c0r2c1|12,r1c2r2c2|6,r2c3r2c4|21,r2c7r2c8r3c8|16,r3c2r3c3r3c4|15,r1c5r2c5r2c6r3c5|15,r3c6r3c7r4c6|17,r3c0r3c1r4c0r4c1|19,r4c3r4c4r4c5|17,r4c7r4c8r5c7r5c8|13,r4c2r5c1r5c2|21,r5c3r6c2r6c3r7c3|10,r5c4r5c5r5c6|21,r5c0r6c0r6c1|14,r6c4r6c5|10,r6c6r7c6|5,r6c7r6c8|16,r7c0r7c1r7c2r8c0r8c1|14,r7c4r7c5|10,r7c8r8c8|9,r8c2r8c3|10,r8c4r8c5|20,r7c7r8c6r8c7", "solution": "814729635235846197697513284156374829743982516982651473579268341321495768468137952", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3595, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3596, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-04-09", "puzzle": 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"22,r0c0r0c1r0c2r0c3r0c4|10,r0c5r0c6|18,r1c2r1c3r2c2r2c3|12,r1c5r1c6r2c5|9,r0c7r1c7|17,r0c8r1c8|22,r1c0r1c1r2c0r2c1|10,r1c4r2c4|15,r2c6r2c7r3c6|5,r3c2r3c3|18,r2c8r3c7r3c8|13,r3c0r3c1r4c0|14,r4c1r4c2r4c3|25,r3c4r3c5r4c4r5c3r5c4|17,r4c5r4c6r4c7|13,r4c8r5c7r5c8|16,r5c0r5c1r6c0|10,r5c5r5c6|12,r5c2r6c1r6c2|11,r6c4r7c4|18,r6c7r6c8r7c7r7c8|14,r7c0r8c0|12,r7c1r8c1|21,r6c3r7c2r7c3|17,r6c5r6c6r7c5r7c6|12,r8c2r8c3|22,r8c4r8c5r8c6r8c7r8c8", "solution": "246739158178625349953184726721458693465397281389216475512943867694871532837562914", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3598, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3599, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-04-12", "puzzle": 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"9,r0c0r0c1|14,r0c2r0c3r0c4|16,r0c5r0c6r0c7|13,r1c0r1c1r1c2|18,r1c3r1c4r2c3r2c4|16,r1c5r1c6r1c7|21,r0c8r1c8r2c8|20,r2c0r2c1r2c2|12,r3c0r3c1|9,r3c2r3c3|10,r2c5r3c4r3c5|32,r2c6r2c7r3c6r4c6r4c7r5c7|6,r3c7r3c8|18,r4c1r4c2r5c1|23,r4c3r4c4r4c5r5c3|17,r4c0r5c0r6c0|7,r4c8r5c8|6,r5c2r6c2|7,r5c4r6c4|19,r5c5r5c6r6c5r6c6|23,r6c1r7c0r7c1r8c0r8c1|14,r6c3r7c3|9,r7c6r7c7|10,r6c7r6c8r7c8|13,r7c2r8c2r8c3|18,r7c4r7c5r8c4|13,r8c5r8c6|12,r8c7r8c8", "solution": "813479526247356198596281347482763915739518264165942783951834672328697451674125839", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3602, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3603, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-04-15", "puzzle": 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"10,r0c0r0c1|10,r0c3r1c3|23,r1c0r1c1r2c1r2c2r3c1|11,r0c2r1c2|16,r0c4r0c5r1c4|25,r0c6r0c7r0c8r1c6r1c7|26,r2c3r2c4r3c2r3c3|6,r1c5r2c5|29,r1c8r2c7r2c8r3c8r4c8|9,r2c0r3c0|7,r2c6r3c6|10,r4c1r5c1|13,r4c2r4c3|7,r4c5r4c6|12,r3c7r4c7|4,r5c2r6c2|23,r3c4r3c5r4c4r5c3r5c4|11,r5c8r6c8|28,r4c0r5c0r6c0r6c1r7c0|12,r6c3r7c3|23,r5c5r5c6r6c4r6c5|25,r7c1r7c2r8c0r8c1r8c2|8,r7c4r8c3r8c4|12,r7c6r8c6|20,r5c7r6c6r6c7r7c7r7c8|13,r7c5r8c5|12,r8c7r8c8", "solution": "649273851132865479785491623268534197497612538513789246921348765874956312356127984", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3605, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3606, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-04-18", "puzzle": 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"18,r0c2r0c3r0c4r1c4r2c4|12,r0c6r0c7|15,r0c0r0c1r1c0|12,r1c1r1c2r1c3|34,r0c5r0c8r1c5r1c6r1c7r1c8|20,r2c0r2c1r2c2|21,r2c5r2c6r2c7r2c8|8,r3c0r3c1|18,r2c3r3c3r3c4r3c5r3c6|21,r3c7r3c8r4c7|11,r4c5r4c6|23,r4c0r4c1r5c0r5c1r6c0r6c1|28,r3c2r4c2r4c3r5c2|33,r4c4r5c3r5c4r5c5r6c2r6c3r7c3|24,r4c8r5c8r6c8r7c8r8c7r8c8|14,r5c6r6c5r6c6r7c5|10,r5c7r6c7|12,r7c0r7c1|16,r6c4r7c4|17,r8c0r8c1|9,r7c2r8c2r8c3|8,r8c4r8c5|21,r7c6r7c7r8c6", "solution": "165248937823769154497315628359481276216537489748926315634872591572194863981653742", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3611, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3612, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-04-24", "puzzle": 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"31,r0c0r0c1r1c0r1c1r2c0r2c1|14,r0c2r0c3r1c2|11,r0c4r1c4|15,r0c5r0c6r0c7r1c5|12,r1c6r1c7|20,r0c8r1c8r2c8r3c8|18,r1c3r2c2r2c3|13,r2c4r2c5r3c4|12,r3c0r3c1|8,r3c2r3c3|21,r3c5r4c3r4c4r4c5r5c3|15,r2c6r3c6|7,r2c7r3c7|17,r4c0r4c1r4c2|20,r4c6r4c7r4c8|11,r5c1r6c1|14,r5c2r6c2|13,r5c5r5c6|6,r5c7r5c8|12,r5c4r6c3r6c4|18,r6c5r6c6r7c5|19,r5c0r6c0r7c0r8c0|5,r7c1r7c2|19,r7c3r8c1r8c2r8c3|10,r7c4r8c4|14,r7c6r8c5r8c6|30,r6c7r6c8r7c7r7c8r8c7r8c8", "solution": "864752139213869574957341826392684751476125398185937642639278415741596283528413967", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3615, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3614, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-04-26", "puzzle": 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"14,r0c1r0c2r0c3|10,r0c4r0c5|40,r0c0r1c0r1c1r2c0r2c1r3c0r4c0r5c0|10,r1c2r1c3|16,r1c4r1c5r2c4|12,r0c6r1c6|25,r0c7r0c8r1c7r1c8r2c7r2c8|13,r2c2r2c3|17,r2c5r2c6|13,r3c1r3c2r4c1r4c2|15,r3c3r3c4|6,r3c6r3c7|26,r3c5r4c3r4c4r4c5r5c3|10,r5c1r5c2|4,r5c4r5c5|23,r4c6r4c7r5c6r5c7|3,r6c2r6c3|10,r6c5r6c6|36,r6c0r6c1r7c0r7c1r8c0r8c1|8,r7c2r8c2|17,r6c4r7c3r7c4|5,r7c5r7c6|43,r3c8r4c8r5c8r6c7r6c8r7c7r7c8r8c8|13,r8c3r8c4|16,r8c5r8c6r8c7", "solution": "165328974849157362237649815913875426754962183628431597371294658586713249492586731", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3618, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3619, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-01", "puzzle": "10,r0c0r0c1|14,r0c2r1c2r2c2r3c2|22,r0c3r1c3r2c3r3c3|14,r0c4r1c4|18,r0c5r0c6r0c7r1c5|12,r0c8r1c8|16,r1c0r1c1r2c0|23,r1c6r1c7r2c6r2c7r2c8|17,r2c1r3c0r3c1|25,r2c4r2c5r3c4r3c5r3c6|24,r4c0r4c1r5c0r5c1|28,r4c2r4c3r4c4r4c5r4c6|17,r3c7r3c8r4c7r4c8|18,r5c2r5c3r5c4r6c3r6c4|23,r5c7r5c8r6c7|23,r6c0r6c1r6c2r7c1r7c2|13,r6c8r7c7r7c8|5,r7c0r8c0|21,r7c3r8c1r8c2r8c3|9,r7c4r8c4|26,r5c5r6c5r7c5r8c5|21,r5c6r6c6r7c6r8c6|6,r8c7r8c8", "solution": "193285467748963125562471938921736854635894271874512396417629583256348719389157642", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3619, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3621, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-03", "puzzle": "20,r0c3r0c4r1c3r1c4|8,r0c0r1c0|25,r0c1r1c1r2c1r2c2|10,r0c2r1c2|30,r0c5r0c6r0c7r0c8r1c7r1c8|12,r1c5r2c5r3c5|13,r1c6r2c6|12,r3c2r4c2|17,r2c3r3c3r4c3|25,r2c4r3c4r4c4r5c4r6c4|16,r2c7r3c6r3c7|12,r2c8r3c8|19,r2c0r3c0r3c1r4c0r4c1|27,r4c7r4c8r5c7r5c8r6c8|13,r5c0r6c0|11,r5c1r5c2r6c1|16,r4c5r5c5r6c5|7,r4c6r5c6|7,r6c2r7c2|13,r5c3r6c3r7c3|34,r7c0r7c1r8c0r8c1r8c2r8c3|12,r7c6r8c6|24,r6c6r6c7r7c7r8c7|3,r7c8r8c8|19,r7c4r7c5r8c4r8c5", "solution": "341879265589326417276154938137962854495718623628543179714295386953681742862437591", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3621, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3620, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-02", "puzzle": "11,r0c2r0c3|10,r0c5r0c6|12,r0c1r1c1r1c2|7,r0c4r1c4|16,r0c7r1c6r1c7|16,r1c3r2c2r2c3|13,r1c5r2c5r2c6|29,r0c0r1c0r2c0r2c1r3c0|29,r0c8r1c8r2c7r2c8r3c8|24,r3c1r3c2r4c0r4c1|9,r3c3r4c2r4c3|29,r2c4r3c4r4c4r5c4|10,r3c5r4c5r4c6|18,r3c6r3c7r4c7r4c8|11,r5c2r5c3|9,r5c5r5c6|12,r5c0r5c1r6c0|22,r6c2r6c3r7c2|16,r6c5r6c6r7c6|16,r5c7r5c8r6c8|3,r6c1r7c1|9,r6c4r7c4r8c4|9,r6c7r7c7|9,r7c0r8c0|15,r8c1r8c2|7,r7c3r8c3|12,r7c5r8c5|13,r8c6r8c7|9,r7c8r8c8", "solution": "964712853751368924238594176846253719593471682172986345415839267629147538387625491", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3620, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3622, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-04", "puzzle": "20,r0c0r0c1r0c2r1c0|19,r0c4r0c5r0c6r0c7|8,r1c1r1c2|11,r0c3r1c3|24,r0c8r1c8r2c8r3c8|14,r1c4r2c4r3c4|34,r1c5r1c6r1c7r2c5r2c6r2c7|26,r2c0r2c1r3c0r4c0|7,r2c2r3c2|4,r2c3r3c3|5,r3c1r4c1|25,r4c2r4c3r4c4r5c4|34,r3c5r3c6r3c7r4c5r4c6|15,r4c7r4c8r5c7r5c8r6c8|14,r5c0r5c1|22,r5c2r5c3r6c3r7c3|5,r5c5r5c6|10,r6c0r6c1r7c0|17,r6c2r7c2|14,r6c4r6c5r6c6r7c4|5,r7c5r7c6|25,r6c7r7c7r7c8r8c8|14,r7c1r8c0r8c1|13,r8c2r8c3|7,r8c4r8c5|13,r8c6r8c7", "solution": "396782541271465389485139726912354678543678912867291435638527194159843267724916853", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3622, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3623, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-05", "puzzle": "16,r0c0r0c1|9,r0c2r0c3r1c2|19,r0c4r0c5r1c4r1c5|11,r0c6r1c6|24,r0c7r0c8r1c7r1c8|11,r1c0r1c1r2c0r3c0|18,r1c3r2c2r2c3|10,r2c5r2c6|9,r2c1r3c1|7,r3c2r3c3|9,r2c4r3c4|20,r2c7r3c6r3c7r4c6|15,r2c8r3c8|10,r4c0r4c1|30,r3c5r4c3r4c4r4c5r5c3|7,r4c7r4c8|7,r5c0r6c0|27,r4c2r5c1r5c2r6c1|13,r5c4r6c4|3,r5c5r5c6|16,r5c7r6c7|9,r6c2r6c3|13,r6c5r6c6r7c5|18,r5c8r6c8r7c7r7c8|23,r7c0r7c1r8c0r8c1|8,r7c2r8c2|22,r7c3r7c4r8c3r8c4|17,r7c6r8c5r8c6|4,r8c7r8c8", "solution": "976128354312745869548369127251637948734892516689451273167283495493516782825974631", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3623, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3624, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-06", "puzzle": "43,r0c0r0c1r1c0r2c0r2c1r3c0r3c1r4c0|10,r0c2r0c3r1c3|20,r1c1r1c2r2c2r2c3|12,r0c4r1c4|19,r0c5r0c6r1c5|32,r0c7r0c8r1c6r1c7r1c8r2c8|11,r2c5r2c6r2c7|8,r2c4r3c4|7,r3c6r3c7|23,r3c5r4c5r4c6r5c5r6c5|44,r3c2r3c3r4c2r4c3r4c4r5c3r5c4r6c4|41,r4c1r5c0r5c1r5c2r6c0r6c1r7c0r8c0|7,r6c2r6c3|5,r5c8r6c8|23,r7c2r7c3r7c4r7c5r8c4|42,r3c8r4c7r4c8r5c6r5c7r6c6r7c6|28,r6c7r7c7r7c8r8c7r8c8|7,r7c1r8c1|11,r8c2r8c3|12,r8c5r8c6", "solution": "176349825549182637382576419467913258938257164215468973791634582854721396623895741", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3624, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3625, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-07", "puzzle": "22,r0c0r0c1r1c0r2c0|26,r0c4r0c5r0c6r0c7|18,r0c2r0c3r1c2r1c3|14,r1c4r1c5|7,r1c6r1c7|7,r0c8r1c8|10,r1c1r2c1|30,r2c2r2c3r2c4r3c2r3c3r4c2|21,r2c5r2c6r2c7|7,r3c0r4c0|10,r3c4r3c5r3c6|7,r2c8r3c8|19,r3c1r4c1r5c1|18,r4c3r4c4r4c5|11,r3c7r4c7r5c7|11,r5c0r6c0|13,r5c2r5c3r5c4|17,r4c8r5c8|17,r6c1r6c2r6c3|22,r4c6r5c5r5c6r6c4r6c5r6c6|7,r6c7r7c7|9,r7c0r8c0|11,r7c1r7c2|10,r7c3r7c4|18,r7c5r7c6r8c5r8c6|20,r8c1r8c2r8c3r8c4|23,r6c8r7c8r8c7r8c8", "solution": "742136985618795432593248671389521746457369128261487359936854217874912563125673894", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3625, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3626, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-08", "puzzle": "26,r0c3r0c4r0c5r0c6r0c7|34,r0c0r0c1r1c0r2c0r3c0r3c1|6,r0c2r1c2|13,r1c3r1c4|8,r1c5r1c6|18,r0c8r1c8r2c8|13,r1c1r2c1|19,r2c2r2c3r2c4r2c5|7,r2c6r3c6|5,r1c7r2c7|17,r3c2r3c3|10,r3c7r3c8|7,r4c0r4c1|13,r4c2r4c3|14,r3c4r4c4r5c4|12,r4c6r4c7r4c8|11,r5c2r5c3|12,r3c5r4c5r5c5|17,r5c7r5c8|13,r6c1r7c1|20,r6c2r6c3r6c4r6c5|9,r5c6r6c6|8,r6c7r7c7|23,r5c0r5c1r6c0r7c0r8c0r8c1|9,r7c2r8c2|11,r7c3r7c4|14,r7c5r7c6|12,r6c8r7c8r8c8|24,r8c3r8c4r8c5r8c6r8c7", "solution": "354162987872945316961783245729831564618594723435627198147256839293478651586319472", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3626, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3627, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-09", "puzzle": "15,r0c0r0c1|23,r0c4r0c5r0c6r1c4r2c4|18,r0c7r0c8r1c7|28,r0c2r1c0r1c1r1c2r2c0r2c1|19,r1c5r1c6r2c5|8,r2c6r2c7|8,r3c1r4c1|5,r2c2r3c2|18,r0c3r1c3r2c3r3c3|16,r3c4r4c4r5c4|3,r3c6r3c7|24,r3c0r4c0r5c0r6c0r7c0|23,r4c2r4c3r5c3|12,r3c5r4c5r4c6|30,r1c8r2c8r3c8r4c8r5c8|9,r5c1r5c2|20,r5c5r6c5r7c5r8c5|10,r5c6r6c6|10,r4c7r5c7|7,r6c1r6c2|18,r6c3r7c2r7c3|32,r6c7r6c8r7c6r7c7r7c8r8c6|17,r7c1r8c0r8c1|23,r6c4r7c4r8c2r8c3r8c4|9,r8c7r8c8", "solution": "697231845541768293832459716763584129928613574154972638316897452489125367275346981", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3627, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3628, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-10", "puzzle": "17,r0c1r0c2|8,r0c0r1c0|21,r0c3r0c4r1c3r1c4|23,r0c7r1c6r1c7r2c6|7,r0c8r1c8|22,r1c1r1c2r2c0r2c1r2c2r2c3|29,r0c5r0c6r1c5r2c4r2c5r3c5|7,r3c1r3c2|9,r2c7r3c7|7,r2c8r3c8|32,r3c3r3c4r4c4r4c5r5c4r5c5|32,r3c6r4c6r4c7r4c8r5c8|37,r3c0r4c0r4c1r5c0r5c1r6c0|13,r4c2r4c3r5c2|10,r6c1r6c2|7,r5c3r6c3|9,r6c4r6c5|12,r5c6r6c6|13,r5c7r6c7r6c8|8,r7c0r7c1|10,r7c2r7c3|7,r7c4r7c5|28,r7c6r7c7r7c8r8c7r8c8|8,r8c0r8c1|29,r8c2r8c3r8c4r8c5r8c6", "solution": "298541376647938251513276984725894613861327495439615728982163547176452839354789162", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3628, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3629, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-11", "puzzle": 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"18,r0c5r0c6r0c7r0c8|28,r0c0r0c1r1c0r1c1|3,r0c2r1c2|10,r0c3r1c3|20,r0c4r1c4r1c5|24,r1c7r1c8r2c8r3c8|9,r2c0r2c1|5,r2c4r2c5|10,r1c6r2c6|21,r3c0r3c1r4c0r4c1r5c0|10,r2c2r2c3r3c2|13,r3c3r3c4r4c4|22,r3c5r3c6r4c5r4c6|11,r2c7r3c7|15,r4c2r4c3|39,r5c1r5c2r6c0r6c1r6c2r6c3r7c0|24,r5c3r5c4r6c4r6c5|18,r4c7r4c8r5c7|15,r5c5r5c6r6c6r7c6|6,r5c8r6c8|8,r6c7r7c7r7c8|14,r7c1r8c0r8c1|11,r7c2r7c3r8c2|25,r7c4r7c5r8c3r8c4|9,r8c5r8c6|17,r8c7r8c8", "solution": "792368451841759236635241897413576928927814365568923174379485612286197543154632789", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3639, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3640, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-22", "puzzle": "10,r0c0r0c1|11,r0c5r0c6|23,r1c0r1c1r2c0r2c1|10,r0c2r1c2|16,r0c3r0c4r1c3r1c4|12,r1c5r1c6r2c5|8,r0c7r1c7|14,r0c8r1c8|12,r2c2r2c3r2c4|19,r2c6r2c7r2c8|10,r3c0r4c0|14,r3c1r3c2|9,r3c4r3c5r3c6|8,r3c7r3c8|14,r3c3r4c2r4c3|5,r4c5r4c6|26,r4c7r4c8r5c7r5c8r6c8|13,r4c1r5c1|8,r5c2r5c3|17,r4c4r5c4|11,r5c5r5c6|25,r5c0r6c0r6c1r7c0r7c1r8c0|20,r6c2r6c3r7c2|15,r6c4r6c5|10,r6c6r6c7|14,r7c6r7c7r7c8|12,r8c1r8c2|3,r7c3r8c3|8,r7c4r8c4|17,r7c5r8c5r8c6|11,r8c7r8c8", "solution": "916478325784325169532916847859643271273591486461782953125869734697234518348157692", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3640, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3641, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-23", "puzzle": "21,r0c0r0c1r0c2r1c0r2c0|23,r0c4r0c5r0c6r1c5r1c6|23,r0c7r0c8r1c7r2c7|18,r1c1r1c2r2c1|8,r0c3r1c3|10,r2c2r2c3|11,r1c4r2c4|4,r1c8r2c8|13,r3c2r3c3|11,r2c5r3c5|17,r2c6r3c6|9,r3c7r3c8|37,r3c0r4c0r5c0r5c1r6c0r7c0r8c0|7,r3c1r4c1|21,r3c4r4c4r5c4|10,r4c2r4c3r5c2|28,r4c5r4c6r5c5r6c5r7c5|27,r4c7r4c8r5c7r5c8r6c8|12,r6c1r6c2|25,r5c3r6c3r6c4r7c3r7c4|25,r5c6r6c6r7c6r8c6r8c7r8c8|11,r7c1r7c2r8c1|13,r6c7r7c7r7c8|21,r8c2r8c3r8c4r8c5", "solution": "823615497194287653756439821415872936362194785987356214648523179571968342239741568", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3641, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3642, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-24", "puzzle": 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"15,r0c5r0c6|16,r0c7r0c8r1c7r2c7r3c7|5,r0c0r1c0|25,r0c1r0c2r0c3r1c1r1c2|23,r0c4r1c3r1c4r1c5r1c6|22,r2c0r2c1r3c0|5,r2c4r2c5|14,r1c8r2c8|24,r3c1r3c2r4c1r4c2|15,r2c2r2c3r3c3r4c3|13,r2c6r3c6|6,r4c0r5c0|32,r3c4r3c5r4c4r5c3r5c4|11,r3c8r4c8|8,r5c2r6c2|21,r4c5r5c5r6c5r6c6|18,r4c6r4c7r5c6r5c7|12,r6c0r7c0|8,r6c3r6c4|23,r5c8r6c7r6c8|19,r7c2r7c3r7c4r7c5r8c4|26,r7c6r7c7r8c5r8c6r8c7|3,r7c8r8c8|29,r5c1r6c1r7c1r8c0r8c1|12,r8c2r8c3", "solution": "215497863387561249964823715738159624549286137126374958452718396891635472673942581", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3645, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3646, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-28", "puzzle": "18,r0c0r0c1r0c2|6,r0c3r0c4r0c5|21,r0c6r0c7r0c8|16,r1c3r1c4r1c5|14,r1c0r1c1r2c0|13,r1c2r2c2r3c2|12,r2c4r3c4|13,r1c6r2c6r3c6|9,r1c7r1c8r2c8|13,r2c1r3c1|15,r2c3r3c3|9,r2c5r3c5|12,r2c7r3c7|17,r3c0r4c0r4c1|24,r4c2r4c3r4c4r4c5r4c6|13,r3c8r4c7r4c8|13,r5c0r5c1r6c1|12,r5c7r5c8r6c7|16,r5c2r5c3r6c2|16,r5c4r6c4|13,r5c5r5c6r6c6|9,r6c0r7c0|5,r6c3r7c3|12,r6c5r7c5|14,r6c8r7c8|18,r7c1r7c2r8c0r8c1|8,r8c2r8c3|7,r7c4r8c4|16,r8c5r8c6|21,r7c6r7c7r8c7r8c8", "solution": "864132957931457826257986431785643192649721583312895674496378215578214369123569748", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3646, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3647, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-29", "puzzle": 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"8,r0c1r0c2|14,r0c3r0c4|34,r0c6r0c7r0c8r1c6r1c7r1c8r2c6|27,r0c0r1c0r1c1r1c2|6,r0c5r1c5|17,r1c3r2c2r2c3|12,r1c4r2c4r2c5|6,r2c0r3c0|8,r2c1r3c1|20,r3c3r3c4r3c5r3c6|7,r2c7r3c7|31,r2c8r3c8r4c8r5c8r6c8|7,r4c0r4c1|20,r3c2r4c2r5c2|12,r4c3r4c4|14,r4c5r4c6r4c7|10,r5c0r6c0|7,r5c1r6c1|17,r5c3r5c4r5c5r5c6|9,r5c7r6c7|19,r6c2r6c3r7c3|14,r6c4r6c5r7c4|22,r7c0r7c1r7c2r8c0|9,r7c5r8c5|10,r8c1r8c2|9,r8c3r8c4|36,r6c6r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "362594871987612435514783629178236954259847163643159287436925718825471396791368542", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3648, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3649, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-05-31", "puzzle": 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"7,r0c0r0c1|8,r0c2r0c3|31,r1c0r1c1r1c2r1c3r2c2|6,r0c4r1c4|14,r0c5r1c5|12,r0c6r1c6|14,r0c7r0c8r1c7r1c8|8,r2c3r2c4|21,r2c5r2c6r2c7|7,r2c0r3c0|41,r3c3r3c4r3c5r3c6r3c7r4c3r4c4|16,r2c8r3c8r4c8|33,r2c1r3c1r4c0r4c1r5c0r5c1|4,r3c2r4c2|14,r4c6r4c7|7,r4c5r5c5|12,r5c2r6c2|18,r5c3r5c4r6c3r6c4|10,r5c6r6c5r6c6|22,r5c7r5c8r6c7r7c7|19,r6c0r7c0r8c0|10,r6c1r7c1|9,r7c2r7c3|12,r7c4r7c5|7,r6c8r7c8|10,r8c1r8c2r8c3|10,r8c4r8c5|23,r7c6r8c6r8c7r8c8", "solution": "437128965859746312162539847673895421241673598598214736784961253926357184315482679", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3650, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3651, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-06-02", "puzzle": "27,r0c2r0c3r1c2r1c3r2c2|13,r0c6r0c7r0c8|12,r0c0r1c0|8,r0c1r1c1|7,r0c4r1c4|15,r0c5r1c5|34,r2c3r3c3r4c3r4c4r4c5r5c5r6c5|18,r2c4r2c5r3c4r3c5|17,r1c6r1c7r2c6|15,r1c8r2c7r2c8|3,r2c0r3c0|14,r2c1r3c1r3c2|26,r3c6r3c7r4c6r4c7|13,r4c0r5c0|8,r3c8r4c8|23,r4c1r4c2r5c1r5c2|14,r5c6r5c7r6c7|3,r5c8r6c8|13,r6c0r6c1r7c0|18,r6c2r7c1r7c2|28,r5c3r5c4r6c3r6c4|10,r7c3r8c3|7,r7c4r8c4|14,r7c7r8c7|14,r7c8r8c8|14,r8c0r8c1r8c2|17,r6c6r7c5r7c6r8c5r8c6", "solution": "364928517928157634175436829216845973893271465547693281631589742489712356752364198", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3651, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3652, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-06-03", "puzzle": "12,r0c0r0c1r1c0r1c1|17,r0c2r0c3|13,r0c4r0c5r0c6r0c7|11,r1c2r1c3|11,r1c4r1c5|11,r2c4r2c5r3c5|22,r1c6r1c7r2c6|19,r0c8r1c8r2c7r2c8|12,r2c0r3c0|10,r2c1r3c1|33,r2c2r2c3r3c2r3c3r3c4r4c3|19,r3c7r3c8r4c7r4c8|27,r4c0r5c0r6c0r7c0|13,r4c1r5c1|8,r4c2r5c2r5c3|33,r3c6r4c4r4c5r4c6r5c4r6c3r6c4|14,r6c1r6c2r7c1|35,r5c5r5c6r5c7r6c5r6c6r7c5|10,r5c8r6c7r6c8|21,r7c3r7c4r8c3r8c4|20,r7c2r8c0r8c1r8c2|7,r7c6r8c5r8c6|27,r7c7r7c8r8c7r8c8", "solution": "269845317314729856875163924436982571952417683781536492648291735523678149197354268", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3652, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3653, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-06-04", "puzzle": "14,r0c0r0c1|5,r0c7r0c8|11,r1c0r1c1r2c1|10,r0c2r1c2|26,r0c3r0c4r0c5r1c3r1c4r1c5|9,r0c6r1c6|23,r1c7r1c8r2c7|8,r2c0r3c0|16,r2c2r2c3r3c2r3c3|14,r2c4r3c4|23,r2c5r2c6r3c5r3c6|14,r2c8r3c8|36,r3c1r4c0r4c1r4c2r5c0r5c1r5c2|13,r4c3r4c4r4c5|28,r3c7r4c6r4c7r4c8r5c6r5c7r5c8|21,r5c4r6c4r7c4r8c4|16,r6c0r6c1|13,r5c3r6c3|11,r5c5r6c5|5,r6c7r6c8|22,r6c2r7c2r7c3r8c3|21,r6c6r7c5r7c6r8c5|13,r7c0r7c1r8c0|6,r8c1r8c2|14,r8c6r8c7|13,r7c7r7c8r8c8", "solution": "863259714457631298129487365732165849598724136641893572976518423284376951315942687", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3653, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3654, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-06-05", "puzzle": "9,r0c4r0c5|12,r0c0r1c0|11,r0c1r1c1|14,r0c2r0c3r1c2r2c2|14,r1c4r1c5|11,r0c6r1c6|7,r0c7r1c7|13,r0c8r1c8|33,r1c3r2c3r2c4r3c3r4c3r5c3|14,r2c6r2c7r3c7|21,r2c0r2c1r3c0r4c0|5,r3c1r3c2|14,r2c5r3c4r3c5|13,r2c8r3c8|19,r4c4r4c5r5c4r5c5|10,r3c6r4c6|9,r4c7r4c8|15,r4c1r5c1|11,r4c2r5c2|13,r5c6r5c7r5c8|8,r5c0r6c0|9,r6c1r6c2|14,r6c6r6c7|13,r7c0r7c1|23,r6c3r6c4r7c3r8c3|11,r6c5r7c4r7c5|7,r6c8r7c8|7,r8c0r8c1|10,r7c2r8c2|11,r8c4r8c5|9,r7c6r7c7r8c6|15,r8c7r8c8", "solution": "345127869972568314186349725714632958563894172298715643627483591859271436431956287", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3654, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3655, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-06-06", "puzzle": 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"18,r0c0r0c1r1c0r1c1|6,r0c5r0c6|4,r0c2r1c2|17,r0c3r0c4r1c3|13,r1c4r1c5|12,r1c6r2c6|21,r0c7r1c7r2c7r2c8|11,r0c8r1c8|15,r2c0r2c1|24,r2c2r2c3r3c2r3c3|11,r3c0r3c1r4c0|3,r2c4r3c4|8,r2c5r3c5|19,r3c6r3c7r4c6r4c7|12,r4c2r4c3|15,r3c8r4c8|10,r4c1r5c1|16,r5c2r5c3|16,r4c4r4c5r5c4r5c5|11,r5c0r6c0|14,r6c1r6c2|16,r5c6r6c5r6c6|5,r5c8r6c8|19,r7c0r7c1r7c2r8c2|18,r6c3r6c4r7c3r7c4|29,r5c7r6c7r7c5r7c6r7c7|9,r8c0r8c1|7,r8c3r8c4|15,r8c5r8c6|11,r7c8r8c7r8c8", "solution": "423685179751394862968721435235417698694852317817936254386279541172543986549168723", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3657, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3656, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-06-07", "puzzle": 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"17,r0c1r0c2r1c1|8,r0c3r0c4|16,r0c6r0c7r1c6|3,r0c0r1c0|10,r0c5r1c5|12,r0c8r1c8|16,r1c2r2c2|5,r1c3r2c3|13,r1c4r2c4|11,r1c7r2c7r2c8|10,r2c0r3c0|12,r2c1r3c1r3c2|16,r3c3r3c4r4c3|17,r2c5r3c5|12,r2c6r3c6r3c7|17,r4c1r4c2r5c1|9,r4c5r4c6|15,r4c7r5c7|11,r3c8r4c8|13,r4c0r5c0|22,r5c3r6c3r6c4|7,r4c4r5c4|4,r5c5r5c6|5,r6c0r6c1|6,r5c2r6c2|13,r6c5r6c6|15,r5c8r6c7r6c8|21,r7c0r7c1r7c2|12,r7c3r8c3|11,r7c5r7c6|15,r8c0r8c1r8c2|10,r7c4r8c4r8c5|14,r7c7r8c6r8c7|7,r7c8r8c8", "solution": "238176549169254783457389621643928157891537264572641398324795816786412935915863472", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3668, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3669, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-06-09", "puzzle": 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"9,r0c1r0c2|9,r0c6r0c7|3,r0c0r1c0|0,r1c1r1c2r2c1|0,r0c3r1c3|13,r0c4r1c4|17,r0c5r1c5|0,r1c6r1c7r2c7|13,r0c8r1c8|10,r2c2r2c3|0,r2c5r2c6|0,r2c0r3c0r3c1|0,r2c4r3c4r4c4|0,r2c8r3c7r3c8|0,r4c0r4c1|0,r3c2r4c2|0,r3c3r4c3|10,r3c5r4c5|0,r3c6r4c6|11,r4c7r4c8|12,r5c0r5c1|0,r5c3r5c4r5c5|3,r5c7r5c8|16,r5c2r6c1r6c2|0,r6c3r6c4r6c5|6,r5c6r6c6r6c7|10,r6c0r7c0|0,r7c2r7c3r7c4r7c5r7c6r8c4|0,r6c8r7c8|28,r7c1r8c0r8c1r8c2r8c3|25,r7c7r8c5r8c6r8c7r8c8", "solution": "145369278269178435738245691923417586816523947574986312657834129482691753391752864", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3680, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3679, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-06-11", "puzzle": 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"15,r0c1r0c2r1c1|4,r0c5r0c6|12,r0c7r0c8|11,r0c0r1c0|9,r0c3r1c3|15,r0c4r1c4|6,r1c5r1c6|12,r1c7r1c8|12,r2c0r2c1|20,r2c3r2c4r3c3|16,r2c5r2c6r3c5|8,r2c7r2c8|9,r3c1r4c1r5c1|15,r1c2r2c2r3c2|7,r3c4r4c4r5c4|5,r3c6r3c7|12,r3c0r4c0r5c0|13,r4c2r4c3|15,r4c5r4c6r4c7|22,r3c8r4c8r5c8|16,r5c2r6c2r7c2|11,r5c6r5c7|13,r6c0r6c1|14,r5c3r6c3r6c4|21,r5c5r6c5r6c6|7,r6c7r6c8|10,r7c0r8c0|7,r7c3r8c3|12,r7c4r8c4|8,r7c5r7c6|17,r7c7r7c8|15,r7c1r8c1r8c2|13,r8c5r8c6|3,r8c7r8c8", "solution": "894261375326795184571834962658923417437618259219547836762189543145372698983456721", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3677, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3683, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-06-12", "puzzle": "15,r0c4r0c5|8,r0c6r0c7|13,r0c0r1c0|11,r0c1r1c1|11,r0c2r1c2|5,r0c3r1c3|7,r1c4r1c5|8,r1c6r1c7|12,r0c8r1c8|6,r2c1r2c2|14,r2c5r2c6|11,r2c7r2c8|13,r2c0r3c0r4c0|18,r2c3r2c4r3c3|15,r3c6r3c7r3c8r4c8|15,r3c1r4c1|13,r3c2r4c2r4c3|15,r3c4r3c5r4c4r5c4|33,r4c5r4c6r4c7r5c5r5c6|10,r5c0r5c1r6c0|10,r5c7r5c8|10,r6c1r7c1r7c2|13,r5c2r6c2|8,r6c5r6c6|10,r5c3r6c3r7c3|12,r6c4r7c4|10,r7c5r7c6r8c5r8c6|14,r6c7r7c7|14,r6c8r7c8|18,r7c0r8c0r8c1|23,r8c2r8c3r8c4|10,r8c7r8c8", "solution": "782196354639452718415738692164875923893624571257319846326547189971283465548961237", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3683, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3685, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-06-12", "puzzle": 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"12,r0c0r0c1|7,r0c2r0c3|9,r0c4r0c5|11,r0c6r0c7|5,r1c0r1c1|11,r1c6r1c7|8,r0c8r1c8|8,r2c0r2c1|15,r1c2r2c2|13,r1c3r2c3|18,r1c4r1c5r2c4|12,r2c5r2c6|6,r2c7r2c8|17,r3c0r3c1r4c0|9,r3c3r3c4|7,r3c5r3c6|22,r4c1r5c0r5c1|3,r3c2r4c2|21,r4c3r4c4r4c5|13,r4c6r5c6|18,r3c7r3c8r4c7|10,r5c2r5c3|6,r5c4r5c5|9,r4c8r5c7r5c8|12,r6c0r6c1|5,r6c2r6c3|12,r6c4r7c3r7c4|17,r6c5r7c5|5,r6c6r7c6|14,r6c7r6c8|9,r7c0r8c0|8,r7c1r7c2|16,r7c7r7c8|12,r8c1r8c2|8,r8c3r8c4|8,r8c5r8c6|9,r8c7r8c8", "solution": "395281476417956832268473951741362589652894713983715624574139268126548397839627145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3692, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3693, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-06-14", "puzzle": 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"11,r0c2r0c3r0c4|7,r0c7r0c8|25,r0c0r0c1r1c0r1c1|25,r0c5r0c6r1c4r1c5|16,r1c6r1c7r2c7|7,r1c2r2c1r2c2|8,r1c3r2c3|17,r2c4r2c5r2c6|36,r1c8r2c8r3c8r4c8r5c8r6c8|18,r2c0r3c0r4c0|15,r3c1r3c2|4,r3c5r3c6|12,r3c3r3c4r4c3|6,r3c7r4c7|11,r4c1r5c0r5c1r6c0|17,r4c2r5c2r6c2|22,r4c4r4c5r5c4r5c5|17,r4c6r5c6r5c7|10,r5c3r6c3|10,r6c4r6c5r7c5|16,r6c1r7c1r7c2|13,r7c3r7c4|22,r6c6r6c7r7c6|16,r7c7r7c8r8c7r8c8|11,r7c0r8c0|33,r8c1r8c2r8c3r8c4r8c5r8c6", "solution": "395428761764319258812567493478653129639172845521894637157236984283941576946785312", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3694, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3697, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-06-15", "puzzle": "9,r0c0r0c1|16,r0c5r0c6|15,r0c7r0c8r1c8|10,r0c2r1c2|11,r0c3r1c3|6,r0c4r1c4|14,r1c0r2c0r3c0|19,r1c1r2c1r2c2|15,r1c5r2c5|7,r1c6r2c6|16,r1c7r2c7r2c8|9,r3c1r3c2|7,r2c3r3c3|11,r2c4r3c4r3c5|6,r3c6r3c7|9,r4c0r4c1|14,r4c2r4c3|9,r4c4r4c5|6,r4c6r4c7|24,r3c8r4c8r5c8|6,r5c1r5c2|9,r5c3r6c3|15,r5c4r5c5r6c4|9,r5c6r5c7|17,r5c0r6c0r7c0|14,r6c1r6c2r7c1|9,r6c5r7c5|17,r6c6r7c6|10,r6c7r6c8r7c7|12,r7c2r8c2|9,r7c3r8c3|13,r7c4r8c4|11,r8c0r8c1|8,r8c5r8c6|13,r7c8r8c7r8c8", "solution": "453629781127548396689317425736482159815936247942751638571294863364875912298163574", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3697, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3699, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-06-15", "puzzle": "16,r0c0r0c1|14,r0c4r0c5r0c6r0c7|14,r0c2r0c3r1c2|11,r1c3r1c4|12,r0c8r1c8|13,r1c0r2c0r3c0|11,r1c1r2c1|25,r1c5r2c4r2c5r3c4|18,r1c6r2c6r3c6r3c7|8,r1c7r2c7|17,r2c2r2c3r3c1r3c2r3c3|20,r4c0r4c1r4c2r4c3|22,r3c5r4c4r4c5r5c5|23,r5c1r5c2r5c3r6c2r6c3|35,r2c8r3c8r4c6r4c7r4c8r5c8r6c8|20,r5c0r6c0r7c0|12,r6c1r7c1|19,r5c4r6c4r6c5r7c5|20,r5c6r5c7r6c6r7c6|9,r6c7r7c7|21,r7c2r8c2r8c3|5,r7c3r7c4|13,r7c8r8c8|3,r8c0r8c1|24,r8c4r8c5r8c6r8c7", "solution": "794815623862743519351296478235679184478132965916458732583967241649321857127584396", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3699, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3696, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-06-14", "puzzle": "17,r0c0r0c1r0c2r1c2|0,r0c3r0c4|3,r0c6r0c7|0,r1c3r1c4r2c4r3c4|10,r0c5r1c5|0,r0c8r1c8r2c8|0,r1c0r1c1r2c0|0,r2c1r2c2r2c3|22,r1c6r2c6r3c6|8,r1c7r2c7|0,r3c0r3c1r4c0|0,r2c5r3c5|13,r3c7r3c8r4c7|0,r3c2r4c2|23,r3c3r4c3r4c4r4c5r5c5|5,r4c6r5c6|19,r4c1r5c0r5c1|0,r5c3r6c3|20,r4c8r5c7r5c8|14,r6c1r7c1|18,r5c2r6c2r7c2|14,r6c5r6c6r6c7|9,r6c8r7c7r7c8|12,r6c0r7c0r8c0|12,r7c3r8c3|19,r5c4r6c4r7c4r7c5|6,r8c1r8c2|9,r8c4r8c5|29,r7c6r8c6r8c7r8c8", "solution": "538976214921384657764215938619548723273691485485732196896157342357429861142863579", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3696, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3698, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-06-15", "puzzle": 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"21,r0c0r0c1r1c0r1c1|11,r0c2r0c3r1c3|11,r0c6r0c7|15,r0c4r0c5r1c4|16,r1c5r1c6|12,r0c8r1c7r1c8|9,r1c2r2c2r2c3|0,r2c4r2c5|11,r2c7r2c8|15,r2c1r3c1r3c2|0,r2c6r3c6r3c7|0,r4c1r4c2|29,r3c4r3c5r4c4r5c4r5c5|8,r4c5r4c6r4c7|0,r3c8r4c8r5c8|0,r2c0r3c0r4c0r5c0r6c0|0,r5c1r5c2r6c1|0,r3c3r4c3r5c3|0,r5c6r5c7r6c6|16,r6c2r6c3r7c2|0,r6c4r6c5|11,r6c7r6c8|9,r7c4r8c4r8c5|8,r7c5r7c6|12,r7c7r7c8r8c8|0,r7c0r7c1r8c0r8c1|22,r7c3r8c2r8c3|11,r8c6r8c7", "solution": "751846923364259718982371456543127869279684135618593274137468592895732641426915387", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3700, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3702, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-06-16", "puzzle": "14,r0c0r0c1|6,r0c3r1c3|14,r0c6r0c7r1c7|13,r0c2r1c2|14,r0c4r0c5r1c4|13,r1c5r1c6|6,r0c8r1c8|12,r1c0r2c0|4,r1c1r2c1|12,r2c2r2c3r3c3|16,r2c5r2c6|10,r2c7r2c8|18,r3c0r3c1r3c2|17,r2c4r3c4|13,r3c5r3c6r4c6|4,r3c7r3c8|14,r4c0r4c1|13,r4c3r4c4r4c5|9,r4c7r4c8|3,r5c0r5c1|15,r4c2r5c2r5c3|4,r5c4r6c4|21,r5c6r5c7r5c8|6,r6c0r6c1|14,r6c2r6c3|18,r5c5r6c5r6c6|9,r6c7r7c7|15,r6c8r7c8|11,r7c0r8c0|11,r7c2r7c3|16,r7c4r8c3r8c4|4,r7c6r8c6|17,r7c1r8c1r8c2|11,r7c5r8c5|8,r8c7r8c8", "solution": "689471235734265891512389764468792513953148672127536489246813957395627148871954326", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3702, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3704, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-06-16", "puzzle": "12,r0c0r0c1|13,r0c2r0c3|29,r0c4r1c2r1c3r1c4r2c2r2c4|13,r0c5r0c6r0c7r1c5|27,r0c8r1c7r1c8r2c8|5,r1c0r2c0|24,r1c1r2c1r3c0r3c1|15,r1c6r2c6r2c7|9,r2c3r3c3|8,r2c5r3c5|15,r4c0r4c1r5c0r5c1|20,r3c2r4c2r5c2|24,r3c4r4c3r4c4r4c5r5c4|22,r3c6r4c6r5c6|14,r3c7r3c8r4c7r4c8|13,r5c3r6c3|9,r5c5r6c5|12,r6c1r6c2r7c2|24,r5c7r5c8r6c7r7c7|8,r6c8r7c8|26,r6c0r7c0r7c1r8c0|12,r7c3r8c1r8c2r8c3|31,r6c4r6c6r7c4r7c5r7c6r8c4|12,r8c5r8c6|8,r8c7r8c8", "solution": "759483126261597384384126579197852643438961752625734918873645291542319867916278435", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3704, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3703, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-06-16", "puzzle": 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"13,r0c0r0c1|12,r0c2r0c3|10,r0c4r0c5r0c6|0,r1c0r1c1|10,r1c2r1c3|14,r0c7r1c6r1c7|0,r0c8r1c8r2c8|16,r1c4r2c4|23,r1c5r2c5r2c6r3c6|0,r2c0r3c0|14,r2c1r3c1|28,r2c2r3c2r4c2r5c2r6c2|5,r2c3r3c3|0,r3c4r3c5|0,r2c7r3c7|8,r4c0r4c1|12,r4c3r4c4r4c5|0,r4c6r4c7|0,r3c8r4c8r5c8|13,r5c0r6c0|3,r5c1r6c1|13,r5c3r6c3|17,r5c4r5c5|8,r5c7r6c7|0,r6c4r7c4|19,r5c6r6c5r6c6r7c5|9,r7c0r7c1|7,r7c2r7c3|0,r7c6r7c7r8c7|0,r6c8r7c8r8c8|12,r8c0r8c1|14,r8c2r8c3|0,r8c4r8c5r8c6", "solution": "947516382362894517158273946894352761536147829721689435619738254273465198485921673", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3705, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3706, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-06-16", "puzzle": "0,r0c1r0c2|0,r0c3r0c4r0c5|15,r0c7r0c8|0,r0c0r1c0|10,r1c1r1c2|12,r1c3r1c4|0,r0c6r1c6r2c6|5,r1c7r1c8|0,r2c3r3c3|0,r1c5r2c5|0,r2c0r3c0|15,r2c1r2c2r3c1|8,r2c4r3c4|9,r3c5r3c6|0,r2c7r2c8r3c7r3c8|13,r4c0r4c1|7,r3c2r4c2|0,r4c3r4c4r4c5|3,r4c6r5c6|13,r4c7r4c8|17,r5c0r5c1r6c0r6c1|0,r5c2r5c3|0,r5c4r6c4|0,r5c7r6c6r6c7|15,r5c8r6c8|0,r6c3r7c3|0,r5c5r6c5|7,r7c0r7c1|15,r6c2r7c2r8c2|6,r7c4r7c5|14,r7c6r7c7|9,r7c8r8c8|16,r8c0r8c1|0,r8c3r8c4r8c5|4,r8c6r8c7", "solution": "253149678619578423784326951531862794496713285827495136168237549342951867975684312", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3706, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3707, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-06-17", "puzzle": "7,r0c0r0c1|7,r0c2r0c3|20,r0c4r0c5r1c4|10,r1c5r2c5|15,r0c6r1c6|11,r0c7r0c8r1c7|10,r1c8r2c8r3c8|15,r1c0r2c0|3,r1c1r2c1|15,r1c2r2c2|13,r1c3r2c3r2c4|10,r2c7r3c7|9,r3c2r3c3|19,r2c6r3c5r3c6|21,r3c0r3c1r4c0|14,r4c1r4c2r5c2|3,r3c4r4c4|16,r4c5r4c6r5c5|6,r5c0r5c1|10,r4c3r5c3|14,r4c7r5c6r5c7|14,r4c8r5c8|9,r6c0r6c1|18,r6c2r6c3r7c3|17,r5c4r6c4r6c5|12,r6c7r6c8|8,r7c4r7c5|13,r6c6r7c6r7c7|16,r7c0r7c1r8c0|19,r7c2r8c1r8c2|9,r8c3r8c4|3,r8c5r8c6|19,r7c8r8c7r8c8", "solution": "435298761927136845618754392864527913792613458153489276271845639386971524549362187", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3707, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3709, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-06-17", "puzzle": "12,r0c2r0c3r0c4|26,r0c6r0c7r0c8r1c6|21,r0c0r0c1r1c0r2c0r3c0|11,r0c5r1c4r1c5|13,r1c7r1c8r2c8r3c8|30,r1c1r1c2r2c1r2c2|14,r1c3r2c3|16,r2c4r2c5r2c6|10,r3c5r3c6|5,r2c7r3c7|8,r4c0r4c1|12,r3c1r3c2r4c2|21,r4c6r5c6r5c7|12,r4c7r4c8|14,r5c1r6c1|5,r5c2r5c3|34,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|19,r6c2r6c3r6c4|7,r6c5r7c5|20,r6c6r6c7r7c6r7c7|15,r5c0r6c0r7c0r7c1|13,r7c3r7c4r8c3|29,r5c8r6c8r7c8r8c7r8c8|26,r7c2r8c0r8c1r8c2|12,r8c4r8c5r8c6", "solution": "512736894368941572479528631847659123621483957953217486194872365236195748785364219", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3709, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3708, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-06-17", "puzzle": "20,r0c0r0c1r0c2|5,r0c3r1c3|11,r0c4r1c4|18,r0c5r0c6r1c5|19,r0c7r0c8r1c7r1c8|13,r1c0r2c0r3c0|13,r1c1r1c2r2c1|18,r2c2r2c3r3c3|31,r1c6r2c5r2c6r2c7r3c5r3c6|11,r2c4r3c4|7,r2c8r3c7r3c8|29,r3c1r3c2r4c0r4c1r4c2r5c0|19,r4c3r4c4r5c3r5c4|14,r4c5r4c6|11,r4c7r4c8|12,r5c5r5c6r6c6|16,r5c7r5c8|34,r6c0r7c0r7c1r8c0r8c1r8c2|4,r5c1r6c1|16,r5c2r6c2r6c3|5,r7c2r7c3|34,r6c4r6c5r7c4r7c5r8c3r8c4|20,r6c7r7c6r7c7|18,r6c8r7c8r8c8|7,r8c5r8c6r8c7", "solution": "659428371342197865178365942986753214721649538534812697217536489493281756865974123", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3708, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3710, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-06-17", "puzzle": "9,r0c1r0c2|0,r0c3r0c4r0c5|0,r0c6r0c7|20,r0c0r1c0r1c1r1c2|11,r1c3r1c4r1c5|23,r0c8r1c6r1c7r1c8|13,r2c2r2c3r3c3|0,r2c5r2c6r3c5|0,r2c0r2c1r3c0r4c0|10,r2c4r3c4|19,r2c7r2c8r3c8r4c8|0,r3c1r4c1|0,r3c2r4c2|0,r4c3r4c4r4c5r5c4|12,r3c6r4c6|6,r3c7r4c7|9,r5c0r5c1|4,r5c2r5c3|10,r5c5r5c6|16,r5c7r5c8|0,r6c0r6c1|34,r6c3r6c4r6c5r7c3r7c4r7c5r8c4|0,r6c7r6c8|8,r6c2r7c2|14,r6c6r7c6|25,r7c0r7c1r8c0r8c1|0,r8c2r8c3|3,r8c5r8c6|20,r7c7r7c8r8c7r8c8", "solution": "154796328379821645286534791618279453792453816543168279437615982921387564865942137", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3710, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3711, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2011-06-17", "puzzle": "24,r0c2r0c3r0c4r1c2|10,r0c5r0c6|15,r0c0r1c0|0,r0c1r1c1|0,r1c3r1c4|27,r0c7r1c5r1c6r1c7r2c6|5,r0c8r1c8|5,r2c0r2c1|0,r2c4r2c5|13,r2c7r2c8|16,r2c2r3c2|0,r2c3r3c3|7,r3c5r3c6|12,r3c7r3c8|16,r3c0r4c0r5c0|18,r3c1r4c1r5c1|7,r4c2r4c3|24,r3c4r4c4r5c4|6,r4c5r4c6|0,r4c7r4c8|6,r5c2r6c2|0,r5c3r6c3|12,r5c5r5c6|0,r5c7r5c8|4,r6c0r6c1|0,r6c4r6c5|13,r6c7r6c8|10,r7c0r8c0|0,r7c1r8c1|0,r7c3r7c4|18,r6c6r7c5r7c6r7c7r8c7|14,r7c8r8c8|15,r7c2r8c2r8c3r8c4|0,r8c5r8c6", "solution": "716958234854632971329714658547286193963471582281395746135829467472563819698147325", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3711, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3712, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-06-18", "puzzle": "12,r0c2r0c3|19,r0c6r0c7r0c8|11,r0c0r1c0|6,r0c1r1c1r1c2|11,r0c4r1c4|12,r0c5r1c5|5,r1c7r1c8|17,r2c1r2c2|10,r1c3r2c3|4,r2c4r2c5|13,r1c6r2c6|8,r2c0r3c0|10,r3c2r3c3|14,r3c4r3c5|8,r3c6r4c6|17,r2c7r2c8r3c7|13,r4c0r5c0|7,r3c1r4c1|8,r4c3r4c4r4c5|9,r4c7r5c7|9,r3c8r4c8|21,r5c1r6c0r6c1|15,r4c2r5c2|14,r5c3r5c4|5,r5c5r5c6|10,r5c8r6c8|7,r6c2r7c2|8,r6c3r6c4|13,r6c5r7c5|9,r6c6r6c7|12,r7c0r7c1|8,r7c3r8c3|8,r7c4r8c4|10,r7c6r7c7r8c7|14,r7c8r8c8|11,r8c0r8c1r8c2|17,r8c5r8c6", "solution": "614825739532697841789431562153786294927143685468952317871269453396574128245318976", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3712, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3713, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-06-18", "puzzle": 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"15,r0c0r0c1r0c2r0c3|19,r0c4r0c5r1c5|17,r0c6r0c7|13,r1c0r1c1r2c0|18,r1c2r2c2r3c2|14,r1c6r1c7r2c6|8,r0c8r1c8|24,r1c3r1c4r2c3r3c3|4,r2c4r2c5|6,r2c7r2c8|15,r2c1r3c0r3c1|23,r3c5r3c6r4c5r4c6|26,r4c0r4c1r5c0r5c1|19,r3c7r3c8r4c7r4c8|14,r4c2r4c3r5c2r5c3|13,r3c4r4c4r5c4|18,r5c7r5c8r6c7|11,r6c0r6c1|15,r6c3r6c4|20,r5c5r6c5r7c4r7c5|9,r7c0r8c0|16,r6c2r7c1r7c2|10,r5c6r6c6r7c6|13,r6c8r7c7r7c8|9,r8c1r8c2|17,r7c3r8c3r8c4|19,r8c5r8c6r8c7r8c8", "solution": "215764983347289165698513742153946827786325491924178356831692574569437218472851639", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3714, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3715, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-06-18", "puzzle": 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"16,r0c0r0c1r0c2r1c0|18,r0c3r0c4r1c3|10,r0c5r0c6|18,r0c7r0c8r1c8|14,r1c1r1c2r2c1|7,r1c4r1c5|17,r1c6r1c7r2c7r2c8|18,r2c3r2c4r3c3|27,r2c0r3c0r4c0r5c0r6c0|23,r2c2r3c1r3c2|5,r2c5r3c5|21,r2c6r3c6r3c7r3c8|17,r4c1r4c2r4c3|15,r3c4r4c4r5c4|10,r4c5r4c6|10,r4c7r4c8|14,r5c1r5c2r6c2|9,r5c5r6c5|16,r5c6r5c7r5c8r6c6|12,r5c3r6c3r6c4|11,r6c1r7c1r7c2|11,r7c4r7c5|22,r6c7r6c8r7c6r7c7|22,r7c0r8c0r8c1r8c2|11,r7c3r8c3r8c4|13,r8c5r8c6|18,r7c8r8c7r8c8", "solution": "125497368837516294649832715586723941371954682492681573963248157714365829258179436", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3719, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3720, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2011-06-19", "puzzle": "0,r0c0r0c1|4,r0c4r0c5|0,r0c6r0c7r0c8|0,r0c2r1c2|0,r0c3r1c3|0,r1c4r1c5r1c6|15,r1c7r1c8|0,r1c0r1c1r2c0|18,r2c1r2c2r2c3|0,r2c4r2c5|18,r2c6r2c7r3c7|23,r3c0r3c1r4c0r5c0r5c1|20,r3c2r3c3r3c4|13,r3c5r3c6|3,r2c8r3c8|0,r4c1r4c2|0,r4c3r4c4|0,r4c5r4c6|8,r4c7r4c8|0,r5c2r5c3r5c4|0,r5c5r5c6|15,r5c8r6c8|0,r6c0r7c0r7c1|0,r6c1r6c2r6c3|14,r6c4r6c5|0,r5c7r6c6r6c7|10,r7c2r8c2|5,r7c3r8c3|0,r7c4r7c5r7c6|9,r7c7r7c8|12,r8c0r8c1|0,r8c4r8c5|0,r8c6r8c7r8c8", "solution": "597631824184527396236948571318754962472869153965312487643295718829173645751486239", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3720, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3721, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-06-20", "puzzle": "20,r0c0r0c1r1c0|24,r0c2r0c3r0c4|4,r0c5r0c6|6,r0c7r0c8|9,r1c1r1c2r1c3|20,r1c6r1c7r1c8|11,r2c1r3c1|14,r1c4r1c5r2c4|12,r2c5r2c6r2c7|6,r2c0r3c0r4c0|17,r2c2r3c2|13,r2c3r3c3r3c4|9,r3c5r3c6|14,r3c7r4c7r4c8|13,r2c8r3c8|11,r4c1r5c1|19,r4c5r4c6r5c6|12,r4c2r5c2r6c2|10,r4c3r5c3|7,r4c4r5c4r5c5|16,r5c7r5c8|23,r5c0r6c0r6c1|6,r6c3r6c4|6,r6c5r6c6|21,r6c7r6c8r7c7|12,r7c0r7c1|6,r7c2r7c3|5,r8c0r8c1|15,r8c2r8c3|11,r7c4r8c4|22,r7c5r7c6r8c5|7,r8c6r8c7|4,r7c8r8c8", "solution": "567891342921643758348275619279568134134729865685314297893152476752436981416987523", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3721, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3722, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-06-20", "puzzle": "18,r0c2r0c3r1c2|12,r0c5r0c6|21,r0c7r0c8r1c7r1c8|6,r0c0r1c0|4,r0c1r1c1|22,r0c4r1c4r1c5r2c5|24,r1c3r2c2r2c3r2c4r3c3|11,r1c6r2c6r2c7|16,r2c8r3c8|16,r2c0r3c0|11,r2c1r3c1|19,r4c0r4c1r5c1r5c2|3,r3c2r4c2|20,r4c3r4c4r5c3r5c4|16,r3c4r3c5r4c5|22,r3c6r3c7r4c7r4c8|25,r4c6r5c5r5c6r5c7r6c6|13,r5c8r6c7r6c8|9,r5c0r6c0|11,r6c1r6c2r7c2|13,r6c4r6c5|15,r6c3r7c3r7c4r8c4|10,r7c5r7c6|11,r7c7r7c8|26,r7c0r7c1r8c0r8c1|15,r8c2r8c3|11,r8c5r8c6|5,r8c7r8c8", "solution": "216398475439572618758614239962481357541237986873965124125749863684153792397826541", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3722, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3723, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-06-20", "puzzle": "5,r0c0r0c1|11,r0c2r0c3|24,r0c5r0c6r0c7r0c8|13,r1c0r1c1r2c0|23,r0c4r1c3r1c4r2c4|11,r1c2r2c2|6,r2c5r2c6|30,r1c5r1c6r1c7r1c8r2c7r2c8|37,r2c1r3c0r3c1r3c2r4c0r4c1r4c2|13,r2c3r3c3r4c3|9,r3c4r4c4|12,r3c5r3c6r4c5|34,r3c7r3c8r4c6r4c7r4c8r5c6|17,r5c2r5c3|20,r5c4r5c5r6c4|7,r6c2r6c3|15,r6c5r6c6r7c6r7c7|4,r5c7r6c7|20,r5c8r6c8r7c8|15,r7c0r8c0|5,r7c2r7c3|25,r7c4r7c5r8c4r8c5r8c6|32,r5c0r5c1r6c0r6c1r7c1r8c1|7,r8c2r8c3|10,r8c7r8c8", "solution": "327458961815796423496321578758134692134962785269875314541687239683249157972513846", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3723, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3725, "game_type": "killer_sudoku_gt", "difficulty": "4", "puzzle_date": "2011-06-20", "puzzle": "0,r0c0r0c1r0c2r0c3r1c0|18,r0c5r0c6r0c7r0c8r1c8|3,r1c2r1c3|13,r0c4r1c4r2c4|17,r1c5r1c6|7,r1c1r2c1|16,r2c2r2c3|9,r2c5r2c6|11,r1c7r2c7|0,r2c0r3c0|29,r3c2r3c3r3c4r3c5r3c6|0,r2c8r3c8|21,r3c1r4c1r5c1|17,r4c3r4c4r4c5r5c4|16,r3c7r4c7r5c7|0,r4c0r5c0|13,r4c2r5c2r5c3|0,r4c6r5c5r5c6|9,r4c8r5c8|0,r6c0r6c1|20,r6c3r6c4r6c5r7c4|8,r6c7r6c8|0,r6c2r7c1r7c2r7c3|26,r6c6r7c5r7c6r7c7|0,r7c0r8c0|0,r8c1r8c2|17,r8c3r8c4r8c5|4,r8c6r8c7|13,r7c8r8c8", "solution": "935764281462158973817923645254679318678531492391482567549317826183296754726845139", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3725, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3724, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-06-20", "puzzle": "27,r0c3r0c4r0c5r1c3r1c5|23,r0c0r1c0r2c0|12,r0c1r0c2r1c1|0,r0c6r0c7r1c7|11,r0c8r1c8r2c8|8,r1c2r2c2|9,r1c4r2c4|10,r1c6r2c6|0,r2c1r3c0r3c1|37,r2c3r2c5r3c3r3c4r3c5r4c3r4c5|13,r2c7r3c7r3c8|0,r4c0r4c1|0,r3c2r4c2|0,r3c6r4c6|0,r4c7r4c8|13,r5c0r5c1|13,r4c4r5c4r6c4|13,r5c7r5c8|10,r6c0r6c1r7c0r7c1|16,r5c2r5c3r6c2r6c3|18,r5c5r5c6r6c5r6c6|0,r6c7r6c8r7c7r7c8|0,r7c3r7c4r7c5|0,r8c0r8c1|0,r7c2r8c2|13,r8c3r8c4r8c5|0,r7c6r8c6|0,r8c7r8c8", "solution": "634752981857419623921683457173894562469235718582167394318546279245971836796328145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3724, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3726, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-06-21", "puzzle": 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"0,r0c0r0c1r0c2r1c0r2c0r2c1|19,r0c3r0c4r1c4|37,r0c6r0c7r1c7r2c7r2c8r3c7|15,r1c1r1c2|7,r0c5r1c5|10,r0c8r1c8|0,r1c3r2c2r2c3r2c4r2c5|0,r1c6r2c6|5,r3c1r3c2|11,r3c3r3c4|0,r3c5r3c6|0,r3c0r4c0r5c0|22,r4c1r4c2r4c3|9,r4c4r4c5|0,r4c6r4c7|18,r3c8r4c8r5c8|13,r5c1r5c2|3,r5c3r5c4|17,r5c5r5c6|0,r6c2r6c3r6c4r6c5r7c3|0,r6c6r7c6|7,r7c1r7c2|12,r7c5r8c5|3,r7c8r8c8|33,r6c0r6c1r7c0r8c0r8c1r8c2|0,r7c4r8c3r8c4|36,r5c7r6c7r6c8r7c7r8c6r8c7", "solution": "251863794378954126946721385123479568489536217567218943615382479834197652792645831", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3734, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3735, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-06-22", "puzzle": 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"6,r0c4r0c5|10,r0c6r0c7|24,r0c0r0c1r1c0|11,r0c2r1c2|18,r0c3r1c3r2c3|3,r1c6r1c7|14,r0c8r1c8|7,r1c1r2c0r2c1|15,r1c4r1c5r2c4|15,r2c5r2c6r2c7|10,r3c0r3c1|5,r2c2r3c2|4,r3c5r3c6|24,r2c8r3c7r3c8|12,r3c3r4c3|15,r3c4r4c4|13,r4c7r4c8|8,r4c0r5c0|8,r4c1r5c1|17,r4c2r5c2|5,r5c3r5c4|10,r4c5r5c5|20,r4c6r5c6r6c6|5,r5c7r5c8|19,r6c0r6c1r7c0|4,r6c2r6c3|6,r6c7r6c8|18,r7c1r7c2r7c3|19,r6c4r6c5r7c4|10,r7c5r8c5|9,r8c0r8c1r8c2|11,r8c3r8c4|11,r7c6r8c6|13,r7c7r8c7|6,r7c8r8c8", "solution": "985124736746935218123876459462593187318762594579418623651387942897241365234659871", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3741, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3742, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-06-24", "puzzle": 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"15,r0c0r0c1|16,r0c2r0c3r0c4|8,r0c5r1c5r2c5|9,r0c6r0c7r1c7|8,r1c4r2c4|15,r0c8r1c8|4,r1c0r2c0|10,r1c1r2c1|20,r1c2r1c3r2c2|15,r1c6r2c6r2c7|12,r3c0r3c1|12,r2c3r3c3r4c3|14,r3c5r3c6|17,r2c8r3c7r3c8|18,r3c2r4c1r4c2|16,r3c4r4c4r4c5|12,r4c0r5c0|7,r5c1r5c2r6c1|18,r5c3r5c4r5c5|13,r4c6r5c6|11,r4c7r4c8r5c7|9,r5c8r6c8|14,r6c2r6c3|8,r6c4r6c5|12,r6c6r6c7|12,r6c0r7c0r7c1|14,r7c2r7c3r7c4|13,r7c5r7c6|8,r7c7r7c8|14,r8c0r8c1|10,r8c2r8c3|5,r8c4r8c5|16,r8c6r8c7r8c8", "solution": "694751238125863947387924156573148629469275813812396574248617395731589462956432781", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3746, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3747, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-06-25", "puzzle": 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"14,r0c0r0c1r1c1|0,r0c3r1c3|0,r0c4r0c5r0c6|9,r0c7r0c8|11,r0c2r1c2|10,r1c0r2c0|12,r2c1r2c2r2c3|24,r1c5r1c6r2c5r2c6|21,r1c7r1c8r2c7r2c8r3c8|0,r3c0r3c1r4c0|0,r3c5r3c6|13,r4c1r5c1|0,r3c2r4c2|10,r3c3r4c3|8,r4c5r5c5|15,r4c6r5c6|13,r3c7r4c7|0,r5c2r5c3|14,r4c8r5c7r5c8|19,r5c0r6c0r6c1r7c0r7c1|0,r6c2r6c3r7c2r7c3|0,r1c4r2c4r3c4r4c4r5c4r6c4r7c4|16,r6c5r6c6r6c7|17,r6c8r7c8|6,r7c6r8c6|13,r8c0r8c1|0,r8c2r8c3r8c4|0,r7c5r8c5|9,r7c7r8c7r8c8", "solution": "486531927925847361173269584638795142547312896291486735854123679319674258762958413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3749, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3751, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-06-26", "puzzle": "6,r0c0r0c1|5,r0c2r0c3|16,r0c7r0c8|15,r1c0r1c1|8,r1c2r1c3|11,r0c4r1c4|12,r0c5r1c5|7,r0c6r1c6|16,r2c3r2c4|3,r2c5r2c6|15,r1c7r1c8r2c7|11,r2c0r3c0|5,r2c1r3c1|17,r2c2r3c2|10,r3c3r3c4r3c5|13,r3c6r3c7|10,r2c8r3c8|14,r4c0r4c1r4c2|23,r4c3r4c4r4c5|8,r4c6r4c7r4c8|7,r5c0r6c0|8,r5c1r5c2|12,r5c3r5c4r5c5|16,r5c6r6c6|12,r5c7r6c7|8,r5c8r6c8|21,r6c1r7c0r7c1|7,r6c2r6c3|11,r6c4r6c5|8,r7c2r8c2|9,r7c3r8c3|3,r7c4r8c4|9,r7c5r7c6|15,r7c7r7c8|13,r8c0r8c1|17,r8c5r8c6|4,r8c7r8c8", "solution": "152368497967154328348972156819235674734896512526741983291683745483517269675429831", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3751, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3752, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-06-26", "puzzle": "14,r0c0r0c1|6,r0c2r0c3|9,r0c5r0c6|13,r0c7r0c8|19,r1c0r1c1r2c1|7,r1c2r1c3|9,r0c4r1c4|12,r1c5r1c6|13,r1c7r1c8r2c7|15,r2c0r3c0r4c0r5c0r6c0|14,r2c2r3c1r3c2|33,r2c3r2c4r2c5r3c3r3c4r3c5|11,r2c6r3c6r3c7|23,r2c8r3c8r4c8r5c8r6c8|16,r4c2r4c3|13,r4c5r4c6|8,r4c1r5c1|14,r5c2r5c3|7,r4c4r5c4|10,r5c5r5c6|11,r4c7r5c7|12,r6c1r6c2|11,r6c3r6c4r6c5|15,r6c6r6c7|13,r7c0r7c1|24,r7c2r7c3r7c4r7c5r7c6|8,r7c7r7c8|11,r8c0r8c1|22,r8c2r8c3r8c4r8c5r8c6|12,r8c7r8c8", "solution": "685137294932564817174892356519743628367928541428651973293416785851379462746285139", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3752, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3753, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-06-26", "puzzle": 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"24,r0c0r0c1r0c2|7,r0c4r1c4|8,r0c6r0c7r0c8|7,r1c1r1c2|12,r0c3r1c3|6,r0c5r1c5|14,r1c6r1c7|12,r1c0r2c0r2c1|20,r2c3r2c4r2c5|19,r1c8r2c7r2c8|12,r3c0r3c1r4c1|7,r2c2r3c2|6,r3c4r4c4|13,r2c6r3c6|16,r3c7r3c8r4c7|21,r3c3r4c3r5c3|13,r3c5r4c5r5c5|17,r4c0r5c0r5c1|11,r4c2r5c2|4,r4c6r5c6|16,r4c8r5c7r5c8|11,r6c1r6c2|3,r6c3r7c3|14,r5c4r6c4|11,r6c5r7c5|9,r6c6r6c7|20,r6c0r7c0r8c0|13,r7c1r7c2r8c1|17,r7c6r7c7r8c7|12,r6c8r7c8r8c8|5,r8c2r8c3|10,r7c4r8c4|15,r8c5r8c6", "solution": "879364215543912687162587493385621974217849356694753128738296541426175839951438762", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3756, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3757, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2011-06-27", "puzzle": 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"0,r0c0r0c1r0c2r1c0r2c0|17,r0c3r0c4r0c5|0,r0c6r0c7|26,r1c1r1c2r1c3r2c1r3c1|30,r1c4r1c5r1c6r1c7r2c4r2c7|0,r0c8r1c8|15,r2c2r2c3r3c2|9,r2c5r3c5|15,r2c6r3c6|8,r2c8r3c8|15,r3c0r4c0r5c0|0,r3c3r3c4r4c3|6,r3c7r4c7r5c7|0,r4c1r4c2r5c1r6c1r7c1r7c2|16,r5c2r5c3|0,r4c4r4c5r5c4|17,r4c8r5c8|3,r6c2r6c3|23,r4c6r5c5r5c6r6c4r6c5|16,r6c0r7c0|18,r7c3r7c4r7c5|9,r6c6r6c7r7c6|0,r8c0r8c1|0,r8c2r8c3|10,r8c4r8c5|36,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "396827154178534962425916873841693725537248619269751438982175346754369281613482597", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3759, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3760, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-06-27", "puzzle": 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"3,r0c1r0c2|7,r0c6r0c7|24,r0c0r1c0r2c0r2c1|25,r0c3r0c4r0c5r1c3r1c5|14,r0c8r1c8r2c7r2c8|26,r1c1r1c2r2c2r2c3|8,r1c4r2c4|28,r1c6r1c7r2c5r2c6|5,r3c0r4c0|15,r3c1r4c1|17,r3c2r4c2r5c2|19,r3c3r3c4r3c5r4c4|14,r3c6r4c6r5c6|9,r3c7r4c7|9,r3c8r4c8|11,r4c3r5c3|12,r4c5r5c5|8,r5c0r6c0|12,r5c1r6c1r6c2|17,r5c4r6c4r7c4|23,r5c7r6c6r6c7|13,r5c8r6c8|22,r7c1r7c2r8c1r8c2|7,r6c3r7c3|3,r6c5r7c5|12,r7c6r7c7r8c6r8c7|11,r7c0r8c0|21,r8c3r8c4r8c5|10,r7c8r8c8", "solution": "812579436457163982936824715295648371364917528178235694741352869683491257529786143", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3762, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3764, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-06-28", "puzzle": "0,r0c3r0c4r1c3r2c3|29,r0c0r0c1r0c2r1c0r2c0|23,r0c5r0c6r1c5r1c6|11,r0c7r0c8r1c7|9,r1c1r2c1|11,r1c2r2c2r3c2|0,r1c4r2c4|5,r2c6r2c7|13,r1c8r2c8|0,r3c0r3c1|0,r3c3r3c4r4c4r5c4r5c5|14,r2c5r3c5|0,r4c0r4c1r5c0|0,r4c2r4c3r5c1r5c2|0,r3c6r3c7r4c5r4c6|17,r3c8r4c7r4c8|17,r5c3r6c3|12,r5c7r5c8|4,r6c0r7c0|0,r6c1r6c2|0,r6c4r7c4|0,r5c6r6c6r7c6|6,r6c7r7c7|14,r7c1r8c0r8c1|24,r7c2r7c3r8c2r8c3|26,r6c8r7c8r8c6r8c7r8c8|22,r6c5r7c5r8c4r8c5", "solution": "417385962965142738832796415794628351683451279521937684346819527159273846278564193", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3764, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3763, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-06-28", "puzzle": "7,r0c3r0c4|7,r0c0r1c0|21,r0c1r0c2r1c1|13,r1c3r1c4r2c3|20,r0c5r1c5r2c5|14,r0c6r1c6|15,r0c7r0c8r1c7|17,r1c2r2c0r2c1r2c2|16,r2c6r2c7r3c7|19,r1c8r2c8r3c8r4c8|10,r3c0r3c1r4c1|23,r2c4r3c4r3c5r3c6|11,r3c2r4c2|22,r3c3r4c3r4c4r4c5r5c5|3,r4c6r5c6|22,r5c2r5c3r5c4r6c4|15,r4c7r5c7r5c8|25,r4c0r5c0r6c0r7c0|14,r5c1r6c1r6c2|25,r6c6r6c7r6c8r7c6|12,r7c1r8c0r8c1|10,r7c2r8c2|16,r6c3r7c3r8c3|15,r6c5r7c4r7c5|10,r7c7r8c6r8c7|10,r7c8r8c8|13,r8c4r8c5", "solution": "287169543561423987493758612152637894349285176678941235925314768736892451814576329", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3763, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3765, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-06-28", "puzzle": "0,r0c2r0c3|25,r0c6r0c7r0c8r1c7r1c8r2c8|8,r0c0r0c1r1c0|11,r1c1r1c2|13,r0c4r1c4|15,r0c5r1c5|0,r2c1r2c2|0,r1c3r2c3|0,r1c6r2c6r2c7|14,r2c0r3c0|20,r3c1r3c2r4c1r4c2|0,r3c3r3c4|25,r2c4r2c5r3c5r3c6r4c6|5,r3c7r3c8|28,r4c3r4c4r5c3r5c4|5,r4c5r5c5|16,r4c7r4c8|0,r4c0r5c0|10,r5c6r5c7|0,r5c8r6c8|12,r6c0r6c1|27,r5c1r5c2r6c2r6c3r7c3|0,r6c4r6c5r7c4r7c5|0,r6c6r7c6|9,r6c7r7c7|0,r7c0r7c1r8c0r8c1|5,r7c2r8c2|16,r8c3r8c4|0,r8c5r8c6|16,r7c8r8c7r8c8", "solution": "438159276192786345576243981985327614243861597617594823759612438821435769364978152", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3765, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3766, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-06-29", "puzzle": 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"7,r0c3r0c4|30,r0c7r0c8r1c7r1c8r2c7r2c8|6,r0c0r1c0|19,r0c1r0c2r1c1|9,r1c3r1c4|11,r0c5r1c5|10,r0c6r1c6|9,r2c0r2c1|44,r1c2r2c2r3c0r3c1r3c2r4c0r4c1r4c2|33,r2c3r2c4r3c4r3c5r3c6r3c7|12,r2c5r2c6|16,r3c3r4c3r5c3|5,r4c5r4c6|14,r3c8r4c8|20,r5c0r5c1r5c2r6c2|9,r4c4r5c4|20,r4c7r5c7r5c8r6c7r6c8|3,r6c0r6c1|13,r5c6r6c6|25,r6c3r6c4r7c2r7c3|15,r5c5r6c5r7c4r7c5|12,r7c0r8c0|18,r7c1r8c1r8c2|14,r8c3r8c4|23,r7c6r7c7r8c5r8c6r8c7|8,r7c8r8c8", "solution": "279345861435186297816297543342518679987462315651739428128673954594821736763954182", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3768, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3769, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-06-29", "puzzle": "12,r0c1r0c2|7,r0c6r0c7|20,r0c0r1c0r1c1r2c1|0,r0c3r1c3|0,r0c4r1c4|16,r0c5r1c5|0,r1c6r1c7|0,r0c8r1c8|16,r1c2r2c2r2c3|0,r2c4r2c5|0,r2c6r2c7|4,r2c0r3c0|13,r3c3r3c4|0,r2c8r3c8|6,r3c1r4c1|0,r3c2r4c2r4c3|37,r3c5r3c6r3c7r4c4r4c5r4c7r4c8|13,r4c0r5c0|0,r5c1r5c2r5c3r6c2r6c3|24,r4c6r5c6r5c7r6c6r7c6|0,r6c1r7c1|0,r5c4r6c4|3,r5c5r6c5|14,r5c8r6c7r6c8|7,r6c0r7c0|0,r7c3r7c4r8c4|13,r8c0r8c1|0,r7c2r8c2r8c3|9,r7c5r8c5|28,r7c7r7c8r8c6r8c7r8c8", "solution": "439287615865139724127456389314768952652943871798521463583692147276314598941875236", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3769, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3771, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-06-30", "puzzle": 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"21,r0c0r0c1r1c0r1c1|10,r0c2r0c3|16,r0c4r0c5r0c6r0c7|20,r1c3r2c3r2c4|16,r1c4r1c5r2c5|4,r1c6r1c7|11,r0c8r1c8|14,r1c2r2c1r2c2|20,r2c7r2c8r3c7|9,r2c0r3c0|13,r3c1r3c2r4c2|36,r3c3r3c4r3c5r4c3r4c4r5c3|9,r2c6r3c6|16,r3c8r4c7r4c8|24,r4c0r5c0r6c0r7c0|11,r4c1r5c1r5c2|9,r4c5r5c4r5c5|11,r5c7r5c8|7,r6c2r6c3|25,r4c6r5c6r6c4r6c5r6c6|10,r6c7r6c8|16,r6c1r7c1|13,r7c6r8c6|4,r8c0r8c1|15,r7c2r7c3r8c2|16,r7c4r8c3r8c4|16,r7c5r8c5|13,r7c7r7c8r8c7r8c8", "solution": "967351284245986317381742569619278453823495176754613892576134928498527631132869745", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3772, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3773, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-06-30", "puzzle": "25,r0c0r0c1r0c2r1c0r1c1r2c0|5,r0c3r0c4|26,r0c5r0c6r0c7r0c8|11,r1c5r2c5|12,r1c7r1c8|20,r1c2r2c1r2c2|9,r1c4r2c4|12,r1c6r2c6r2c7|24,r1c3r2c3r3c1r3c2r3c3|8,r3c4r3c5|13,r2c8r3c8r4c8|14,r3c0r4c0|4,r4c1r4c2|10,r5c1r5c2|11,r4c3r5c3|24,r4c4r4c5r5c4r5c5|19,r3c7r4c7r5c7r5c8|16,r5c0r6c0r7c0r8c0|14,r6c1r6c2r7c2|31,r3c6r4c6r5c6r6c3r6c4r6c5r6c6|18,r7c3r7c4r7c5r8c5|13,r7c1r8c1|23,r8c2r8c3r8c4|43,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "635148927127539684894762153946271538513894762782356419458913276361427895279685341", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3773, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3775, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-06-30", "puzzle": "0,r0c1r0c2r1c2|0,r0c3r0c4|10,r0c5r0c6r1c6|0,r0c0r1c0|4,r1c4r1c5|13,r0c7r1c7|0,r0c8r1c8|9,r1c1r2c0r2c1|16,r2c2r3c2r3c3|20,r1c3r2c3r2c4|12,r2c5r2c6r3c6|3,r3c0r3c1|17,r3c4r3c5|0,r2c7r3c7|0,r2c8r3c8|45,r4c0r4c1r4c2r4c3r4c4r4c5r4c6r4c7r4c8|9,r5c0r6c0|0,r5c1r6c1|11,r5c3r5c4|5,r5c7r5c8|0,r5c2r6c2r6c3|17,r6c4r6c5r7c5|18,r5c5r5c6r6c6|0,r6c7r6c8r7c7|0,r7c0r8c0|9,r7c1r8c1|0,r7c3r7c4|0,r7c8r8c8|6,r7c2r8c2r8c3|13,r8c4r8c5|0,r7c6r8c6r8c7", "solution": "537692184924813756168754239213589647479236518685471923396145872741928365852367491", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3775, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3777, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-07-01", "puzzle": "16,r0c1r0c2r0c3|23,r0c6r0c7r0c8r1c6|25,r0c0r1c0r1c1r1c2r1c3|11,r1c7r1c8r2c8|3,r2c1r2c2|29,r0c4r0c5r1c4r1c5r2c3r2c4|11,r2c6r2c7|10,r2c0r3c0|10,r3c1r3c2|8,r3c3r3c4|16,r2c5r3c5|10,r3c7r3c8|17,r4c1r4c2r5c1|12,r4c3r4c4r5c4|19,r3c6r4c5r4c6|5,r4c7r4c8|12,r4c0r5c0|9,r5c5r5c6|26,r5c7r5c8r6c7r6c8|15,r6c0r6c1r7c0r8c0|21,r5c2r5c3r6c2r6c3|8,r6c5r6c6|29,r6c4r7c2r7c3r7c4r8c4r8c5|12,r7c5r7c6|9,r7c7r7c8r8c8|15,r7c1r8c1|12,r8c2r8c3|12,r8c6r8c7", "solution": "647531289953286417821749653219357864586194732734628195172965348465873921398412576", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3777, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3781, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-07-02", "puzzle": "9,r0c1r0c2r0c3|18,r0c4r0c5r1c5|23,r0c0r1c0r2c0|13,r1c3r1c4|18,r0c6r0c7r1c6|12,r0c8r1c7r1c8|3,r1c1r2c1|11,r1c2r2c2|7,r2c3r2c4|13,r2c6r2c7|13,r3c0r3c1|7,r2c5r3c5|7,r3c6r3c7|8,r2c8r3c8|5,r4c0r4c1|15,r3c2r4c2|6,r3c3r4c3|24,r3c4r4c4r5c4|8,r4c5r5c5|9,r4c6r5c6|16,r4c7r4c8|11,r5c0r6c0|5,r5c1r5c2|15,r5c3r6c3|7,r5c7r5c8|14,r6c1r6c2|3,r6c4r6c5|13,r6c6r7c6|14,r6c7r7c7|11,r7c0r7c1r8c0|16,r7c2r8c1r8c2|7,r7c4r7c5|12,r6c8r7c8r8c8|18,r7c3r8c3r8c4|14,r8c5r8c6r8c7", "solution": "853127964624859317917346582589271436236485179741693825468912753172534698395768241", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3781, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3776, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-01", "puzzle": "17,r0c3r0c4r0c5|11,r0c6r0c7|18,r0c0r1c0r2c0|7,r0c1r1c1|14,r0c2r1c2r1c3|9,r1c4r1c5|9,r0c8r1c8|12,r2c2r2c3|4,r2c4r2c5|17,r1c6r1c7r2c6|12,r2c7r2c8r3c8|15,r3c0r4c0r4c1|16,r2c1r3c1|23,r3c4r4c4r5c4|10,r3c6r3c7|13,r3c2r3c3r4c2|6,r4c3r5c3|6,r3c5r4c5|21,r4c6r5c5r5c6|12,r5c1r5c2|7,r5c7r6c7|15,r4c7r4c8r5c8|9,r5c0r6c0r6c1|9,r6c2r7c1r7c2|5,r6c3r6c4|15,r6c5r6c6|13,r7c0r8c0|16,r7c3r7c4|9,r7c5r7c6r8c6|12,r7c7r8c7|18,r6c8r7c8r8c8|15,r8c1r8c2|10,r8c3r8c4r8c5", "solution": "351629478826754391794813562672385914548291637139467825263148759415976283987532146", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3776, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3778, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-01", "puzzle": "18,r0c0r0c1r1c1|28,r0c6r0c7r0c8r1c7r1c8r2c8|9,r0c2r1c2|16,r0c3r1c3r2c3|29,r0c4r0c5r1c4r1c5r2c4r2c5|28,r1c0r2c0r2c1r2c2r3c0r4c0|17,r1c6r2c6r2c7|13,r3c3r3c4r4c3|33,r3c5r3c6r3c7r4c6r4c7r5c7|10,r3c1r4c1|7,r3c2r4c2|7,r3c8r4c8|5,r5c2r5c3|22,r4c4r4c5r5c4|13,r5c0r6c0|31,r5c1r6c1r6c2r6c3r6c4|17,r5c5r5c6r6c5r6c6|28,r5c8r6c7r6c8r7c7r7c8r8c8|14,r7c1r7c2r8c1r8c2|14,r7c3r7c4|6,r7c5r7c6r8c5|10,r7c0r8c0|15,r8c3r8c4|15,r8c6r8c7", "solution": "391427658468915723527368194932746581175289436684153279759634812816592347243871965", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3778, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3780, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-07-01", "puzzle": "13,r0c0r0c1r1c0r1c1|0,r0c3r0c4|0,r0c5r0c6r0c7|19,r0c2r1c2r1c3|0,r1c5r1c6|17,r0c8r1c8|19,r2c0r2c1r3c1|15,r2c2r2c3r3c2|0,r1c4r2c4|0,r2c5r2c6|0,r3c3r3c4r4c3|16,r3c5r3c6r4c6|18,r1c7r2c7r2c8r3c7|0,r3c0r4c0|10,r4c1r4c2|12,r4c4r4c5r5c4|17,r3c8r4c7r4c8|11,r5c7r5c8|11,r5c0r6c0r7c0|6,r5c1r6c1|0,r5c2r6c2|0,r5c3r6c3r6c4|26,r5c5r5c6r6c5r6c6|4,r6c7r6c8|18,r7c1r7c2r7c3r8c2|22,r7c7r7c8r8c7r8c8|0,r8c0r8c1|14,r7c4r8c3r8c4|8,r7c5r8c5|13,r7c6r8c6", "solution": "734956218128734569965182743849367152573421896612598374257849631396215487481673925", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3780, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3782, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-07-02", "puzzle": "19,r0c1r0c2r1c1r2c1|17,r0c3r0c4|24,r0c7r0c8r1c7r1c8|10,r0c0r1c0|9,r1c2r1c3|19,r0c5r0c6r1c4r1c5r1c6|14,r2c2r2c3|14,r2c5r2c6r3c5r3c6|10,r2c0r3c0|7,r3c1r3c2|24,r2c7r2c8r3c7r3c8r4c7|29,r3c3r4c3r5c3r5c4r5c5|24,r2c4r3c4r4c4r4c5r4c6|7,r4c8r5c8|14,r4c0r5c0|8,r4c1r5c1|8,r4c2r5c2|15,r5c6r6c6|13,r5c7r6c7|9,r6c3r6c4|7,r6c5r7c5|12,r6c8r7c6r7c7r7c8|45,r6c0r6c1r6c2r7c0r7c1r7c2r8c0r8c1r8c2|10,r7c3r7c4|10,r8c3r8c4|12,r8c5r8c6|15,r8c7r8c8", "solution": "746893125315426798289517436834761259967254813521938674473185962698372541152649387", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3782, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3783, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-07-02", "puzzle": "10,r0c0r0c1|10,r0c3r0c4r1c4|7,r0c5r0c6|26,r0c7r0c8r1c7r1c8|18,r1c0r1c1r2c0|10,r0c2r1c2r1c3|27,r1c5r1c6r2c6r2c7r3c7|16,r2c1r2c2r3c1r3c2|15,r2c3r3c3|10,r2c4r2c5|11,r2c8r3c8|16,r3c4r3c5r4c4r4c5|17,r3c6r4c6|10,r3c0r4c0|8,r4c7r4c8r5c8|11,r4c1r5c1|10,r4c2r5c2|17,r4c3r5c3r5c4|6,r5c5r5c6|10,r6c3r6c4|18,r6c5r6c6r7c5r7c6|14,r5c7r6c7r6c8|16,r6c1r6c2r7c1r7c2|14,r7c3r7c4|13,r7c7r8c6r8c7|12,r7c8r8c8|41,r5c0r6c0r7c0r8c0r8c1r8c2r8c3|12,r8c4r8c5", "solution": "372546189685319427419728536124837965967251843853964271748193652531682794296475318", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3783, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3784, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-07-02", "puzzle": "16,r0c2r0c3r0c4|27,r0c5r0c6r0c7r1c7|11,r0c0r0c1r1c0r2c0|26,r1c1r1c2r1c3r1c4|0,r1c5r1c6|0,r0c8r1c8|12,r2c1r2c2|0,r2c3r2c4|10,r2c7r2c8r3c7|0,r3c2r3c3|13,r2c6r3c6|24,r3c0r4c0r5c0|15,r3c1r4c1r5c1|0,r4c2r4c3|0,r4c5r4c6r4c7|0,r3c8r4c8r5c8|10,r5c2r5c3|0,r2c5r3c4r3c5r4c4r5c4r5c5r6c5|13,r5c6r6c6|0,r6c1r6c2|5,r6c3r6c4|19,r5c7r6c7r6c8|13,r6c0r7c0r8c0r8c1|25,r7c1r7c2r7c3r7c4|5,r7c5r7c6|3,r7c8r8c8|21,r8c2r8c3r8c4|24,r7c7r8c5r8c6r8c7", "solution": "516287934297643185384195627942538716753416298861972543175324869639851472428769351", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3784, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3787, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-07-03", "puzzle": "22,r0c0r0c1r1c0r1c1|10,r0c3r0c4r0c5|12,r0c2r1c2|12,r1c3r1c4|34,r0c6r0c7r0c8r1c5r1c6r1c7r1c8|6,r2c0r2c1|8,r2c5r3c5|12,r2c6r2c7|26,r2c2r2c3r3c2r3c3|3,r2c4r3c4|14,r3c6r3c7r4c6|12,r2c8r3c8|19,r3c0r4c0r5c0|12,r3c1r4c1|8,r4c2r4c3|13,r4c4r4c5r5c4|11,r4c7r4c8|13,r5c2r5c3|21,r5c5r5c6r6c5r6c6|18,r5c7r5c8r6c8|31,r5c1r6c0r6c1r7c0r7c1r8c0r8c1|10,r6c2r7c2|10,r6c3r6c4r7c3|28,r6c7r7c6r7c7r7c8r8c7r8c8|11,r8c2r8c3|15,r7c4r8c4|14,r7c5r8c5r8c6", "solution": "189352476763489125245617938597821364831746592624935781458273619972164853316598247", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3787, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3785, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2011-07-02", "puzzle": "14,r0c1r0c2r0c3|19,r0c6r0c7r0c8|10,r0c0r1c0|15,r1c1r1c2|0,r0c4r0c5r1c4r1c5r2c4|19,r2c0r2c1r3c1|23,r1c3r2c2r2c3r3c2r3c3r3c4|0,r1c6r2c5r2c6r3c5r4c5|10,r1c7r2c7|0,r1c8r2c8|0,r3c6r3c7|0,r3c0r4c0|24,r4c3r4c4r5c3|0,r4c6r4c7|11,r3c8r4c8|8,r4c1r5c1|0,r4c2r5c2|7,r5c4r5c5|15,r5c6r5c7|36,r5c0r6c0r6c1r6c2r7c2r8c2r8c3|19,r6c3r6c4r6c5r6c6|17,r5c8r6c7r6c8|20,r7c3r7c4r8c4r8c5|0,r7c5r7c6r7c7|12,r7c0r8c0|4,r7c1r8c1|0,r8c6r8c7|13,r7c8r8c8", "solution": "152738964987164523643259781798543612561872439324916875275691348416385297839427156", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3785, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3786, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-03", "puzzle": "10,r0c1r0c2|19,r0c3r0c4r1c3|7,r0c5r0c6|9,r0c0r1c0|5,r1c1r1c2|14,r1c4r1c5|19,r0c7r1c6r1c7|7,r0c8r1c8|14,r2c0r2c1|10,r2c3r2c4r2c5|18,r3c0r3c1r4c1|11,r2c2r3c2|21,r2c6r3c5r3c6|6,r2c7r2c8r3c7|13,r3c8r4c8|16,r3c3r4c2r4c3|16,r3c4r4c4r5c4|11,r4c5r4c6r5c5|9,r4c0r5c0|22,r5c1r6c0r6c1|15,r5c2r5c3r6c2|7,r5c6r6c6|15,r4c7r5c7r5c8|9,r6c3r6c4r6c5|12,r6c7r6c8|8,r7c0r8c0|11,r7c1r7c2r8c1|7,r7c3r7c4|11,r7c6r7c7|7,r7c8r8c8|10,r8c2r8c3|22,r7c5r8c4r8c5|14,r8c6r8c7", "solution": "419372586532986471867514932294635718678291345351847629986423157745168293123759864", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3786, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3788, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-03", "puzzle": "15,r0c1r0c2r0c3|16,r0c4r0c5r1c3r1c4|13,r0c6r0c7|33,r0c0r1c0r1c1r1c2r2c0r2c1|7,r1c6r2c6|4,r1c7r2c7|19,r2c2r3c2r4c2r5c2r6c2|20,r2c3r3c3r4c3r5c3r6c3|26,r1c5r2c4r2c5r3c4|21,r3c5r3c6r3c7|21,r3c0r4c0r5c0|22,r4c4r4c5r4c6r4c7|9,r3c1r4c1r5c1|19,r5c4r6c4r6c5r7c5|17,r5c5r5c6r5c7|29,r6c0r6c1r7c0r7c1r7c2r8c0|7,r6c6r7c6|11,r6c7r7c7|45,r0c8r1c8r2c8r3c8r4c8r5c8r6c8r7c8r8c8|18,r8c1r8c2r8c3|18,r7c3r7c4r8c4r8c5|15,r8c6r8c7", "solution": "127653948948712536563498217632579481714286359859134762271845693385967124496321875", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3788, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3790, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-07-03", "puzzle": "0,r0c0r0c1|15,r0c2r0c3r1c2r1c3|0,r0c4r0c5r1c4r1c5|15,r0c6r0c7r1c6|18,r0c8r1c8r2c8|15,r1c0r2c0r3c0r4c0|0,r1c1r2c1|0,r2c2r2c3r2c4|0,r1c7r2c7|3,r3c1r3c2|0,r3c3r3c4r4c3r4c4|0,r2c5r3c5r4c5r4c6|12,r2c6r3c6|11,r3c7r3c8|17,r4c7r4c8r5c7r5c8|11,r4c1r5c1|15,r4c2r5c2|34,r5c4r5c5r6c4r7c4r7c5r8c4r8c5|7,r5c0r6c0|0,r6c1r6c2r7c1|11,r5c3r6c3|11,r5c6r6c5r6c6|13,r6c7r6c8|9,r7c2r7c3|0,r7c0r8c0r8c1|17,r8c2r8c3|7,r7c6r8c6|17,r7c7r7c8r8c7r8c8", "solution": "863127459157439628294865371721348965586291743439576182375612894942783516618954237", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3790, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3793, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-07-04", "puzzle": "8,r0c2r0c3|25,r0c4r0c5r0c6r0c7r0c8|24,r0c0r0c1r1c0r1c1|7,r1c5r1c6|13,r1c2r2c1r2c2|5,r1c4r2c4|13,r2c5r2c6|15,r1c7r2c7r3c7|15,r1c8r2c8r3c8|7,r2c0r3c0|29,r1c3r2c3r3c1r3c2r3c3|19,r3c4r3c5r3c6|17,r4c1r4c2|12,r4c6r4c7r4c8|14,r4c3r5c3r6c3|8,r5c1r6c1|13,r5c2r6c2|29,r4c4r4c5r5c4r5c5r5c6r6c5r6c6|13,r5c7r6c7|15,r5c8r6c8|6,r7c1r7c2r7c3|15,r7c5r7c6|30,r4c0r5c0r6c0r7c0r8c0|11,r8c1r8c2r8c3|15,r6c4r7c4r8c4|13,r8c5r8c6|14,r7c7r7c8r8c7r8c8", "solution": "392674518574821693618539427163782945489165372257943186736418259921357864845296731", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3793, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3792, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-07-04", "puzzle": "15,r0c2r0c3r0c4|10,r0c5r0c6|29,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|8,r1c3r1c4|16,r1c5r1c6|10,r0c7r1c7|10,r0c8r1c8|12,r2c3r2c4|6,r2c6r2c7|17,r2c0r3c0r4c0|12,r2c5r3c5|26,r3c6r3c7r4c7r5c7|5,r2c8r3c8|12,r3c1r4c1|6,r3c2r4c2|18,r3c3r3c4r4c3|24,r4c4r4c5r4c6r5c4r6c4|11,r5c2r5c3|24,r5c5r5c6r6c5r6c6r6c7r7c6|8,r4c8r5c8|9,r5c0r6c0|13,r5c1r6c1|10,r7c0r7c1|4,r6c2r7c2|24,r6c3r7c3r7c4r7c5|11,r8c0r8c1|16,r8c2r8c3|4,r8c4r8c5|35,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "847531926315269784926487153734195862192846537568372491473928615281654379659713248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3792, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3791, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-07-04", "puzzle": "10,r0c0r0c1|16,r0c2r0c3|17,r0c6r1c6r1c7|6,r0c7r0c8r1c8|17,r1c1r1c2r1c3|14,r0c4r0c5r1c4|10,r1c0r2c0|12,r2c2r2c3r2c4|5,r1c5r2c5|17,r2c7r2c8|21,r2c1r3c1r4c1|7,r3c2r3c3r4c2|14,r3c4r3c5|16,r2c6r3c6r3c7|12,r3c0r4c0r5c0|9,r4c5r4c6r4c7|9,r3c8r4c8|15,r5c1r5c2|21,r4c3r4c4r5c3|3,r5c4r5c5|17,r5c6r6c6|12,r6c0r6c1r7c0|19,r6c2r6c3r7c2|8,r5c7r6c7|11,r5c8r6c8|9,r6c4r7c3r7c4|23,r6c5r7c5r7c6|11,r7c1r8c0r8c1|10,r8c2r8c3|12,r8c4r8c5|9,r7c7r8c6r8c7|13,r7c8r8c8", "solution": "827965431954831762163274589571486293482793156396512874235648917718329645649157328", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3791, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3789, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-07-03", "puzzle": "30,r0c0r0c1r0c2r1c2r2c2|7,r0c3r0c4r0c5|29,r0c6r0c7r0c8r1c6r2c6|10,r1c0r1c1|32,r1c3r1c4r1c5r2c3r2c5|3,r1c7r1c8|9,r2c0r2c1r3c0|0,r2c7r2c8r3c8|13,r3c1r3c2r4c2|19,r2c4r3c4r4c4|0,r3c6r3c7r4c6|0,r4c0r4c1r5c0r5c1|8,r3c3r4c3|0,r3c5r4c5|22,r4c7r4c8r5c7r5c8|0,r5c2r5c3r5c4r5c5r5c6|0,r6c0r6c1|13,r6c2r6c3|7,r6c5r6c6|0,r6c7r6c8|0,r7c1r7c2r7c3|4,r6c4r7c4|15,r7c5r7c6r7c7|0,r7c0r8c0|3,r8c1r8c2|19,r8c3r8c4r8c5|0,r8c6r8c7|0,r7c8r8c8", "solution": "857421693649853712231967485428396571173548269965172834596714328784239156312685947", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3789, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3794, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-07-04", "puzzle": "17,r0c3r0c4|0,r0c6r0c7r1c6r1c7|3,r0c0r1c0|0,r0c1r1c1|0,r0c2r1c2|16,r1c3r1c4r2c4r2c5|9,r0c5r1c5|0,r0c8r1c8|45,r2c0r2c1r2c2r2c3r3c3r3c4r3c5r4c4r5c4|13,r2c6r2c7r2c8|0,r3c1r3c2|11,r3c7r3c8|19,r3c0r4c0r4c1|0,r4c5r5c5|4,r3c6r4c6|17,r4c7r4c8|10,r5c0r5c1|5,r4c2r5c2|16,r4c3r5c3|0,r5c6r5c7|14,r6c0r6c1r7c0|0,r6c4r6c5|0,r6c6r6c7|10,r5c8r6c8r7c8|24,r6c2r7c1r7c2r8c2|22,r6c3r7c3r7c4r8c3r8c4|10,r7c5r7c6|0,r8c0r8c1|11,r8c5r8c6|15,r7c7r8c7r8c8", "solution": "156892437243567819987314526892156374564723198371948652619285743728431965435679281", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3794, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3796, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-05", "puzzle": 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"23,r0c0r0c1r1c1r2c1|0,r0c5r0c6|9,r0c2r1c2|0,r0c3r0c4r1c3|12,r1c4r1c5r2c5|10,r0c7r0c8r1c7r1c8|7,r1c0r2c0|0,r2c2r2c3|21,r1c6r2c6r2c7|13,r2c8r3c8|10,r3c0r3c1|12,r3c6r3c7r4c7|9,r4c0r4c1|0,r3c2r4c2|0,r4c3r4c4r5c4|36,r2c4r3c3r3c4r3c5r4c5r4c6r5c5|0,r5c2r5c3r6c3|3,r5c6r6c6|23,r4c8r5c7r5c8|14,r5c0r5c1r6c0|22,r6c1r6c2r7c1r7c2|15,r6c4r6c5|5,r6c7r6c8|0,r7c4r8c4|0,r7c5r8c5|21,r7c6r7c7r7c8r8c8|17,r7c0r8c0r8c1|0,r7c3r8c2r8c3|17,r8c6r8c7", "solution": "892547631357681942416923758649178325183265479725439186578396214934812567261754893", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3795, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3798, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-05", "puzzle": 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"16,r0c0r0c1r0c2r0c3|6,r1c0r2c0|5,r1c2r1c3|12,r0c4r1c4|9,r0c5r1c5|15,r0c6r1c6|9,r0c7r1c7|18,r0c8r1c8r2c8|14,r1c1r2c1|15,r2c2r2c3|10,r2c5r2c6|4,r3c1r3c2|20,r2c4r3c3r3c4|19,r2c7r3c7r3c8r4c7|12,r3c0r4c0|15,r4c2r5c2|18,r3c5r4c3r4c4r4c5r5c3|14,r3c6r4c6|10,r4c8r5c8|23,r4c1r5c0r5c1r6c1|14,r5c4r5c5r6c4|4,r5c6r5c7|7,r6c2r6c3|5,r6c5r6c6|17,r6c7r7c7|16,r6c0r7c0r8c0|5,r7c1r8c1|13,r7c2r8c2|15,r7c3r8c3|10,r7c4r8c4|9,r7c5r7c6|8,r6c8r7c8|18,r8c5r8c6r8c7r8c8", "solution": "924173856183256749567849123831792564456318972279465318692531487345687291718924635", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3802, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3801, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-07-06", "puzzle": "24,r0c0r0c1r0c2|10,r0c3r0c4|4,r0c5r0c6|14,r1c2r1c3|8,r1c4r1c5r2c5|6,r0c7r1c7|12,r0c8r1c8|12,r1c0r1c1r2c0|16,r2c3r2c4|15,r1c6r2c6|11,r2c7r2c8|3,r2c1r3c1|5,r2c2r3c2|17,r3c6r3c7|21,r3c0r4c0r5c0|14,r4c1r4c2|15,r3c3r4c3r5c3|14,r3c4r4c4r5c4|16,r3c5r4c5r5c5|11,r4c6r4c7|6,r3c8r4c8r5c8|5,r5c1r5c2|7,r5c6r6c6|11,r5c7r6c7|9,r6c0r6c1|11,r6c2r7c2|16,r6c4r6c5|11,r6c8r7c7r7c8|8,r7c0r8c0|12,r7c1r8c1|16,r6c3r7c3r7c4|9,r7c5r7c6|6,r8c2r8c3|6,r8c4r8c5|24,r8c6r8c7r8c8", "solution": "879643125356812947412795638523467891968251473741938562184379256297586314635124789", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3801, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3804, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-06", "puzzle": 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"17,r0c4r0c5r0c6|11,r0c7r0c8|8,r0c0r0c1r1c0|7,r0c3r1c3|27,r1c5r1c6r1c7r1c8r2c6r2c7|34,r0c2r1c1r1c2r2c0r2c1|15,r1c4r2c4|10,r2c5r3c5|11,r2c8r3c8|7,r3c0r3c1|9,r2c2r2c3r3c2|17,r3c7r4c7r4c8|10,r4c1r4c2|21,r3c3r3c4r4c3|12,r4c4r4c5r5c4|4,r3c6r4c6|19,r4c0r5c0r6c0|11,r5c2r5c3|20,r5c5r5c6r6c5r6c6|9,r5c7r5c8|27,r5c1r6c1r6c2r7c1r7c2r8c1|9,r6c3r6c4|12,r6c7r6c8|10,r7c3r7c4r8c4|13,r7c0r8c0|11,r8c2r8c3|15,r7c5r8c5|9,r7c6r8c6|20,r7c7r7c8r8c7r8c8", "solution": "159274683284563971763198524345682197891745362672931845526817439418329756937456218", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3803, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3805, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-07-06", "puzzle": "0,r0c5r0c6|31,r0c0r1c0r2c0r3c0r4c0|0,r0c1r1c1r2c1|0,r0c2r1c2r2c2r2c3|0,r0c3r0c4r1c3r1c4r2c4|6,r1c5r1c6|0,r0c7r0c8r1c7|31,r2c5r2c6r3c6r4c6r4c7|15,r1c8r2c8|16,r3c1r3c2r3c3|9,r3c4r3c5r4c4|0,r2c7r3c7r3c8|41,r4c1r5c1r6c1r6c2r6c3r7c1r7c2|6,r4c2r5c2|15,r4c3r5c3|0,r4c5r5c5|11,r4c8r5c7r5c8|10,r5c0r6c0r7c0|26,r5c4r6c4r6c5r7c4|0,r5c6r6c6|10,r6c7r6c8r7c7r7c8|9,r7c5r7c6|7,r8c0r8c1|0,r7c3r8c2r8c3|23,r8c4r8c5r8c6r8c7r8c8", "solution": "912648375687235149543197286894362517365714892721859463258476931179583624436921758", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3805, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3806, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-07", "puzzle": "21,r0c3r0c4r0c5|9,r0c0r0c1r1c0|17,r0c2r1c1r1c2|3,r1c3r2c3|8,r1c5r2c5|13,r0c6r1c6r1c7|21,r0c7r0c8r1c8|12,r2c0r2c1|13,r1c4r2c4|9,r2c7r2c8|15,r3c0r3c1|15,r2c2r3c2|5,r2c6r3c6|6,r3c7r3c8|6,r4c1r4c2|5,r3c4r4c4|15,r4c6r4c7|12,r4c0r5c0r6c0|16,r5c1r5c2r6c1|18,r3c3r4c3r5c3|14,r3c5r4c5r5c5|19,r5c6r5c7r6c7|12,r4c8r5c8r6c8|9,r5c4r6c4|9,r6c2r7c2|13,r6c3r7c3|14,r6c5r7c5|9,r6c6r7c6|17,r7c0r8c0|6,r7c1r8c1|4,r8c2r8c3|12,r7c4r8c4|8,r8c5r8c6|12,r7c7r8c7|8,r7c8r8c8", "solution": "532867149169243758487195263698724315215639874374581926753916482926478531841352697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3806, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3808, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-07", "puzzle": 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"18,r0c1r0c2r0c3|0,r0c4r0c5|9,r0c7r0c8|13,r0c0r1c0r1c1|5,r1c2r1c3|0,r1c5r2c5|0,r0c6r1c6r2c6r3c6|0,r1c7r1c8|17,r2c0r2c1|9,r2c2r2c3|7,r1c4r2c4|23,r3c2r3c3r3c4r3c5|17,r2c7r2c8r3c7|0,r4c3r4c4|0,r4c5r4c6|0,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|0,r5c2r5c3r5c4r5c5|0,r5c7r6c7r6c8|16,r3c8r4c7r4c8r5c8|11,r6c0r6c1|0,r6c2r6c3|0,r6c4r7c4|12,r7c0r7c1r8c0|3,r7c2r7c3|15,r6c5r7c5|26,r5c6r6c6r7c6r8c6|13,r7c7r7c8|0,r8c1r8c2r8c3|0,r8c4r8c5|12,r8c7r8c8", "solution": "536924718712368459984517236465792183197683542823145967658479321371256894249831675", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3809, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3811, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-07-08", "puzzle": "9,r0c1r0c2|18,r0c3r0c4r1c4|11,r0c6r0c7|9,r0c0r1c0|16,r1c1r1c2r1c3|13,r0c5r1c5r2c5|3,r1c6r1c7|16,r0c8r1c8|4,r2c6r3c6|15,r2c0r2c1r3c0|14,r2c2r3c2|12,r2c3r2c4r3c3|11,r3c4r3c5|17,r2c7r3c7|7,r2c8r3c8|14,r3c1r4c1|7,r4c2r4c3|18,r4c7r4c8r5c8|4,r4c0r5c0|10,r5c2r5c3|15,r4c4r4c5r5c4|21,r4c6r5c5r5c6|8,r5c1r6c1r6c2|21,r6c3r6c4r7c3|7,r5c7r6c7|3,r6c8r7c8|24,r6c0r7c0r8c0|9,r6c5r7c4r7c5|16,r6c6r7c6|13,r7c1r7c2r8c1|18,r8c2r8c3r8c4|7,r8c5r8c6|15,r7c7r8c7r8c8", "solution": "481732569539486217276195384658247193392518476147369825813674952965823741724951638", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3811, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3810, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-07-07", "puzzle": "0,r0c3r0c4r0c5|17,r0c6r0c7|14,r0c0r0c1r1c0|0,r0c2r1c1r1c2|20,r1c3r1c4r2c4|0,r1c6r1c7|9,r0c8r1c8|11,r2c0r2c1|21,r2c2r2c3r3c3|0,r1c5r2c5r3c4r3c5|19,r3c1r3c2r4c1r5c1r5c2|24,r2c6r3c6r4c6r5c6r6c6|17,r2c7r2c8r3c7r3c8|20,r3c0r4c0r5c0|7,r4c2r4c3|5,r4c4r4c5|0,r4c7r4c8|28,r5c7r5c8r6c7r6c8|5,r6c0r6c1|0,r5c3r6c2r6c3|14,r5c4r5c5r6c5r7c5|0,r7c0r8c0r8c1|0,r7c1r7c2r8c2|0,r6c4r7c3r7c4|8,r7c6r7c7|12,r7c8r8c8|18,r8c3r8c4r8c5|4,r8c6r8c7", "solution": "364215897517986432298734561425698173786123945931547286143862759859371624672459318", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3810, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3812, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-07-08", "puzzle": "18,r0c3r0c4r1c4|14,r0c5r0c6|19,r0c0r1c0r2c0|14,r0c1r1c1|16,r0c2r1c2r1c3|5,r1c5r1c6|12,r0c7r0c8r1c7r1c8|9,r2c3r2c4|19,r2c5r2c6r3c5r3c6|8,r2c7r3c7|14,r2c8r3c8|5,r2c1r3c1|7,r2c2r3c2|15,r3c0r4c0|5,r4c1r4c2|42,r3c3r3c4r4c3r4c4r4c5r5c3r5c4r5c5|11,r4c6r5c6|17,r5c0r5c1r6c1|17,r4c7r4c8r5c8|18,r5c2r6c2r6c3|6,r6c4r7c4|9,r6c5r6c6|18,r5c7r6c7r6c8|17,r7c2r7c3r8c3|11,r7c5r7c6|12,r7c7r7c8|28,r6c0r7c0r7c1r8c0r8c1r8c2|9,r8c4r8c5|10,r8c6r8c7r8c8", "solution": "491736852756982341832541976925473618614298735387165429268314597173659284549827163", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3812, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3813, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-07-08", "puzzle": "12,r0c3r0c4|21,r0c5r0c6r0c7r1c6|13,r0c0r1c0|12,r1c3r1c4|15,r0c8r1c7r1c8|15,r2c0r2c1|17,r0c1r0c2r1c1r1c2r2c2|6,r1c5r2c5r2c6|12,r2c7r2c8|9,r3c0r3c1|22,r2c3r2c4r3c3r3c4|16,r4c0r5c0|6,r4c1r5c1|14,r3c2r4c2r5c2|12,r3c6r4c6r5c6|6,r3c7r4c7|12,r3c8r4c8|27,r3c5r4c3r4c4r4c5r5c3|18,r5c4r5c5r6c4r6c5|15,r5c7r5c8|8,r6c0r6c1|16,r6c2r6c3r7c3|33,r6c6r7c6r7c7r8c6r8c7|6,r6c7r6c8|13,r7c0r7c1r8c0|11,r7c4r7c5|6,r7c8r8c8|23,r7c2r8c1r8c2r8c3|9,r8c4r8c5", "solution": "537846192814392576692571348183467259745928613926135487358619724471283965269754831", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3813, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3814, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-07-08", "puzzle": "35,r0c0r0c1r1c0r1c1r1c2r1c3r2c2|5,r0c2r0c3|0,r0c4r0c5|26,r0c7r0c8r1c7r1c8|0,r1c4r2c4|10,r1c5r2c5|19,r0c6r1c6r2c6r2c7r2c8|10,r2c0r3c0|8,r2c1r3c1|0,r3c2r4c2|10,r2c3r3c3|0,r3c4r3c5r4c5|17,r3c6r3c7|6,r3c8r4c8|0,r4c3r4c4r5c3r5c4|10,r4c6r4c7|9,r4c0r5c0|17,r4c1r5c1r5c2|0,r5c5r5c6|5,r5c8r6c8|23,r6c0r6c1r6c2r7c2r8c2|0,r6c4r6c5|0,r6c3r7c3r7c4|8,r7c5r7c6|30,r5c7r6c6r6c7r7c7r7c8r8c7r8c8|22,r7c0r7c1r8c0r8c1|4,r8c3r8c4|0,r8c5r8c6", "solution": "453268179298157346716493528374621895825739461169845732941576283537982614682314957", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3814, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3817, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-07-09", "puzzle": "9,r0c2r0c3|7,r0c4r0c5|12,r0c0r0c1r1c0|22,r1c3r1c4r2c4|9,r0c6r1c5r1c6|15,r0c7r1c7|15,r0c8r1c8|13,r1c1r1c2r2c1|15,r2c2r2c3r3c2|8,r2c6r2c7|12,r2c0r3c0|19,r3c1r4c1r4c2|16,r3c3r3c4r4c3|9,r2c5r3c5|12,r2c8r3c8r4c8|12,r4c4r4c5r5c4|26,r3c6r3c7r4c6r4c7r5c7|7,r4c0r5c0|11,r5c2r5c3|10,r5c1r6c0r6c1|34,r6c3r6c4r7c3r7c4r7c5|28,r5c5r5c6r6c5r6c6|5,r5c8r6c8|15,r7c0r7c1|5,r6c2r7c2|11,r8c0r8c1|14,r8c2r8c3r8c4|8,r8c5r8c6|26,r6c7r7c6r7c7r7c8r8c7r8c8", "solution": "735416289281593476946287531397162854628954317154738692412875963873649125569321748", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3817, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3815, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-07-08", "puzzle": "0,r0c2r0c3|15,r0c4r0c5r0c6|0,r0c0r1c0|0,r0c1r1c1|26,r1c3r1c4r2c3r2c4r2c5|3,r1c5r1c6|8,r0c7r1c7|22,r0c8r1c8r2c8|14,r1c2r2c1r2c2|10,r2c6r2c7|39,r3c1r3c2r4c1r4c2r4c3r5c1r5c2|4,r3c3r3c4|7,r3c7r3c8|15,r4c4r4c5|28,r3c5r3c6r4c6r5c5r5c6|0,r4c7r4c8|22,r2c0r3c0r4c0r5c0r6c0|7,r5c3r5c4|16,r5c7r5c8|0,r6c1r6c2r7c2|13,r6c6r6c7|0,r7c0r8c0|0,r7c1r8c1|23,r6c3r6c4r6c5r7c3r7c4|0,r7c5r7c6|0,r7c7r8c7|0,r6c8r7c8r8c8|0,r8c2r8c3|17,r8c4r8c5r8c6", "solution": "275648319684391275391275648467139852529487136138526497946712583712853964853964721", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3815, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3816, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-09", "puzzle": "23,r0c0r0c1r0c2|13,r0c4r0c5r0c6|7,r0c7r0c8r1c8|12,r1c1r1c2r2c2|11,r0c3r1c3|15,r1c6r1c7|9,r1c0r2c0|15,r2c3r2c4|11,r1c4r1c5r2c5|18,r2c6r2c7r2c8|7,r2c1r3c1|11,r3c2r3c3|10,r3c5r3c6|12,r3c7r3c8|13,r3c0r4c0r5c0|19,r4c1r4c2r4c3|12,r3c4r4c4r5c4|11,r4c5r4c6|6,r4c7r4c8|16,r5c1r6c1|7,r5c2r5c3|11,r5c5r5c6|10,r5c7r5c8|9,r6c0r7c0|8,r6c3r6c4|23,r6c5r7c4r7c5|14,r6c6r6c7r6c8|9,r6c2r7c1r7c2|5,r7c3r8c3|7,r7c6r7c7|18,r8c0r8c1r8c2|18,r8c4r8c5r8c6|15,r7c8r8c7r8c8", "solution": "689371524537842691412695378164758239328964715975213846791536482253489167846127953", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3816, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3818, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-09", "puzzle": "13,r0c2r0c3|10,r0c4r0c5|15,r0c0r0c1r1c0r1c1|24,r0c6r0c7r1c5r1c6r1c7|19,r0c8r1c8r2c8|28,r1c2r1c3r2c1r2c2r3c1|15,r1c4r2c4|6,r2c5r2c6|12,r2c0r3c0|12,r2c3r3c2r3c3|7,r3c4r3c5|12,r2c7r3c7r3c8|15,r4c1r4c2|21,r4c4r4c5r5c4r5c5|16,r3c6r4c6r4c7r4c8|7,r4c0r5c0|16,r4c3r5c3|29,r5c1r6c0r6c1r7c0r7c1|7,r5c2r6c2|13,r6c3r6c4r7c4r8c4|20,r5c6r6c5r6c6|5,r5c8r6c8|12,r7c2r7c3r8c3|27,r5c7r6c7r7c5r7c6r7c7|11,r8c0r8c1r8c2|12,r8c5r8c6|21,r7c8r8c7r8c8", "solution": "125837946489261375367594218946152783578943162213786594854379621692415837731628459", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3818, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3819, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-09", "puzzle": "0,r0c0r1c0|15,r0c1r0c2r1c1|19,r0c3r1c2r1c3|0,r0c4r1c4r2c4|12,r0c5r1c5r1c6|0,r0c6r0c7r1c7|7,r0c8r1c8|16,r2c1r2c2r2c3|17,r2c5r2c6r2c7|0,r2c0r3c0|36,r3c1r3c2r3c3r3c4r3c5r3c6r3c7|4,r2c8r3c8|33,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|9,r4c0r5c0|0,r5c1r5c2r6c2|17,r5c6r5c7r6c6|13,r4c8r5c8|0,r6c0r6c1|7,r5c3r6c3|14,r5c4r6c4|13,r5c5r6c5|8,r6c7r6c8|0,r7c0r7c1|9,r7c7r7c8|11,r8c0r8c1|0,r7c2r7c3r8c2|16,r7c4r8c3r8c4r8c5|8,r7c5r7c6r8c6|0,r8c7r8c8", "solution": "716453982389612745425978361647195823892736154153284679238569417974821536561347298", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3819, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3820, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-07-09", "puzzle": "10,r0c0r0c1|0,r0c2r0c3r0c4|7,r0c6r0c7|17,r1c1r1c2r1c3|35,r0c5r1c4r1c5r2c4r2c5r3c4|5,r1c6r1c7|9,r0c8r1c8|0,r1c0r2c0|11,r2c1r2c2|0,r2c3r3c3|38,r3c0r3c1r4c0r4c1r5c0r5c1|0,r3c5r4c5r5c5|12,r2c6r3c6|13,r2c7r3c7|0,r2c8r3c8|7,r3c2r4c2r5c2|0,r4c3r4c4|0,r4c6r4c7r4c8|0,r5c6r6c6|12,r5c7r6c7|0,r5c8r6c8|5,r6c0r7c0|12,r6c1r6c2|0,r5c3r6c3|0,r7c1r7c2r7c3|36,r5c4r6c4r6c5r7c4r7c5r8c5|15,r7c6r7c7|4,r7c8r8c8|13,r8c0r8c1|14,r8c2r8c3r8c4|0,r8c6r8c7", "solution": "823975614497186325156234879532791468781643952964852137348517296215469783679328541", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3820, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3821, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-07-10", "puzzle": 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"14,r0c0r0c1|3,r0c2r0c3|28,r0c4r0c5r0c6r0c7r1c4|13,r1c6r1c7|19,r1c0r1c1r1c2r2c0|24,r1c3r2c1r2c2r2c3r2c4|12,r1c5r2c5|10,r2c6r2c7|12,r0c8r1c8r2c8|16,r3c0r4c0r5c0|15,r3c3r4c3r5c3|7,r3c5r3c6|11,r3c7r3c8|17,r3c2r4c2r5c2|23,r3c4r4c4r4c5r4c6r5c4|7,r4c7r4c8|12,r3c1r4c1r5c1|13,r5c5r5c6|14,r5c7r5c8|22,r6c0r7c0r7c1r7c2|21,r6c1r6c2r6c3r6c4r7c3|11,r6c5r7c5|10,r6c6r6c7|19,r6c8r7c8r8c8|18,r7c4r8c4r8c5r8c6r8c7|9,r7c6r7c7|12,r8c0r8c1|13,r8c2r8c3", "solution": "952148736873265491146937285328596174694781352715324968231859647569472813487613529", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3823, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3825, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-10", "puzzle": "0,r0c2r0c3|0,r0c4r0c5|25,r0c0r1c0r2c0r3c0|23,r0c1r1c1r1c2r2c1r2c2|0,r0c6r1c5r1c6|0,r0c7r0c8r1c7r1c8|26,r1c3r1c4r2c3r2c4|0,r2c5r2c6|5,r2c7r2c8|4,r3c1r3c2|27,r3c6r3c7r4c6r4c7|7,r4c0r5c0|8,r4c3r5c3|0,r3c3r3c4r4c4r5c4r5c5|0,r3c5r4c5|0,r3c8r4c8|27,r4c1r4c2r5c1r5c2|3,r5c6r5c7|15,r6c0r6c1|9,r6c2r6c3|0,r6c4r6c5r7c4r7c5|14,r7c0r7c1r8c0r8c1|17,r7c2r7c3r8c2|21,r6c6r6c7r7c6r7c7r8c7|22,r5c8r6c8r7c8r8c8|7,r8c3r8c4|9,r8c5r8c6", "solution": "874361952165492738932587641713928465246135897589746123691853274458279316327614589", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3825, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3826, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-11", "puzzle": "5,r0c0r1c0|15,r0c1r0c2r1c1|5,r0c3r1c3|21,r0c4r1c4r2c4|10,r0c5r1c5|13,r0c6r0c7r1c7|14,r0c8r1c8|16,r2c0r2c1|14,r1c2r2c2r2c3|13,r1c6r2c5r2c6|9,r2c7r2c8|6,r3c1r3c2|14,r3c3r3c4r3c5|11,r3c6r3c7|16,r3c0r4c0r4c1|19,r4c3r4c4r4c5|15,r3c8r4c7r4c8|12,r4c2r5c2|12,r5c3r5c4r5c5|8,r4c6r5c6|19,r5c0r5c1r6c0|13,r5c7r5c8r6c8|8,r7c0r7c1|14,r6c1r6c2r7c2|15,r6c3r7c3|8,r6c5r7c5|12,r6c6r6c7r7c6|10,r7c7r7c8|8,r8c0r8c1|13,r8c2r8c3|14,r6c4r7c4r8c4|10,r8c5r8c6|13,r8c7r8c8", "solution": "182379465456281739793564281615437928374928516928156347841793652269845173537612894", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3826, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3827, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-07-11", "puzzle": "16,r0c0r0c1r1c0r1c1|4,r0c2r0c3|13,r0c5r0c6|19,r0c7r0c8r1c7r1c8|14,r0c4r1c4|15,r2c0r2c1|20,r1c2r1c3r2c2|19,r1c5r1c6r2c6|8,r2c7r2c8|16,r3c0r3c1r3c2r4c0r4c2|12,r2c3r3c3|11,r2c4r3c4|8,r2c5r3c5|23,r3c6r3c7r3c8r4c6r4c8|11,r4c3r4c4r4c5|14,r4c1r5c1|11,r4c7r5c7|33,r5c0r6c0r6c1r7c0r8c0|28,r5c2r5c3r6c2r6c3|12,r5c4r6c4r7c4|20,r5c5r5c6r6c5r6c6|19,r5c8r6c7r6c8r7c8r8c8|5,r7c1r8c1|14,r7c2r7c3r8c2|6,r8c3r8c4r8c5|20,r7c5r7c6r8c6|14,r7c7r8c7", "solution": "561389427234765891879421635423897156196254378758613942385976214912548763647132589", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3827, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3828, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-11", "puzzle": "24,r0c0r0c1r0c2r0c3r1c0|26,r0c6r0c7r1c6r1c7r2c6|32,r0c4r0c5r1c4r1c5r2c5r3c5|8,r0c8r1c8|12,r1c1r2c1r3c1|10,r1c2r2c2|8,r1c3r2c3|11,r2c7r2c8|28,r2c0r3c0r4c0r4c1r5c0|9,r3c2r3c3|13,r2c4r3c4|21,r3c6r3c7r4c6|15,r4c3r4c4r4c5|17,r4c2r5c1r5c2|6,r5c4r6c4|5,r5c5r5c6|19,r3c8r4c7r4c8r5c8r6c8|5,r6c0r6c1|16,r6c5r7c5|8,r6c6r7c6|18,r5c7r6c7r7c7|6,r7c0r8c0|31,r5c3r6c3r7c3r7c4r8c3r8c4|34,r6c2r7c1r7c2r8c1r8c2|23,r7c8r8c5r8c6r8c7r8c8", "solution": "372496851859132647461758329913684572624375918785921463236847195548219736197563284", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3828, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3830, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-07-11", "puzzle": "9,r0c0r0c1|14,r0c3r0c4r0c5|15,r0c7r0c8|18,r1c0r1c1r2c0|8,r0c2r1c2|6,r0c6r1c6|13,r1c7r1c8r2c8|0,r2c1r2c2r2c3|0,r1c3r1c4r1c5r2c4r3c4|0,r2c5r2c6r2c7|22,r3c0r3c1r4c0r5c0|0,r3c2r3c3|0,r3c5r3c6|16,r3c7r3c8r4c8r5c8|0,r4c2r4c3r4c4r4c5r4c6|0,r4c1r5c1|0,r5c2r5c3|7,r5c5r5c6|11,r4c7r5c7|13,r6c2r6c3r7c3|10,r5c4r6c4|16,r6c5r6c6r7c5|14,r6c0r7c0r8c0|20,r6c1r7c1r7c2|0,r6c7r7c6r7c7|11,r6c8r7c8r8c8|9,r8c1r8c2|17,r7c4r8c3r8c4r8c5|0,r8c6r8c7", "solution": "273185469895634217146729385524978631981563724637412598452391876369847152718256943", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3830, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3831, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-07-12", "puzzle": "10,r0c0r0c1|20,r0c3r0c4r1c4|5,r0c5r0c6|6,r1c0r1c1|20,r0c2r1c2r1c3|18,r0c7r1c7r2c7|14,r0c8r1c8|14,r2c2r2c3|6,r2c4r2c5r3c4|9,r1c5r1c6r2c6|5,r2c0r3c0|17,r2c1r3c1|6,r3c2r3c3r4c2|14,r3c5r3c6|16,r2c8r3c8r4c8|15,r4c0r4c1|10,r4c3r4c4|13,r3c7r4c6r4c7|8,r5c1r5c2|10,r5c3r5c4|16,r4c5r5c5|11,r5c6r5c7r5c8|15,r5c0r6c0|11,r6c4r6c5|11,r6c6r6c7|6,r6c1r7c1r8c1|16,r6c2r7c2|5,r6c3r7c3|10,r7c5r7c6|17,r6c8r7c7r7c8|11,r7c0r8c0|13,r8c2r8c3|18,r7c4r8c4r8c5|9,r8c6r8c7r8c8", "solution": "378594126245761398196823574482315967961287435753649281829156743617432859534978612", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3831, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3832, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-07-12", "puzzle": "5,r0c3r0c4|15,r0c5r0c6|11,r0c7r0c8r1c8|22,r0c0r0c1r0c2r1c0|17,r1c1r1c2r1c3r2c3|14,r1c4r2c4|11,r1c5r2c5|10,r1c6r2c6|15,r1c7r2c7r2c8|5,r2c0r3c0|14,r2c1r3c1|5,r2c2r3c2|11,r3c3r3c4|10,r3c8r4c8r5c8|10,r4c0r4c1|17,r4c2r4c3r4c4|14,r3c5r4c5r5c5|35,r3c6r3c7r4c6r4c7r5c6r5c7|11,r5c0r6c0|15,r5c1r6c1|13,r5c2r6c2|7,r5c3r5c4|14,r6c4r7c4|12,r6c5r7c5|3,r6c6r7c6|12,r6c7r6c8r7c7|21,r7c0r8c0r8c1r8c2|18,r6c3r7c1r7c2r7c3|6,r8c3r8c4|8,r8c5r8c6|24,r7c8r8c7r8c8", "solution": "718236954635894712492157368153928476824671593976345821287469135561783249349512687", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3832, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3833, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-07-12", "puzzle": "20,r0c0r0c1r0c2|16,r0c6r0c7r0c8|8,r0c3r1c3|9,r0c4r1c4|10,r0c5r1c5|19,r1c0r1c1r1c2r2c0r2c1|14,r2c2r2c3|4,r2c5r2c6|26,r1c6r1c7r1c8r2c7r2c8|14,r2c4r3c4|9,r3c0r4c0|27,r3c1r3c2r3c3r4c1r4c2|25,r3c5r3c6r3c7r4c6r4c7|13,r3c8r4c8|17,r5c1r5c2|8,r4c3r5c3|11,r4c4r5c4r6c4|15,r4c5r5c5|7,r5c6r5c7|3,r5c0r6c0|11,r5c8r6c8|19,r6c1r7c0r7c1|5,r6c2r7c2|12,r6c3r7c3r8c3|16,r6c5r7c5r8c5|6,r6c6r7c6|19,r6c7r7c7r7c8|19,r8c0r8c1r8c2|11,r7c4r8c4|12,r8c6r8c7r8c8", "solution": "587324916913576842426891375672953184345218769198647523251769438864135297739482651", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3833, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3835, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-07-12", "puzzle": "0,r0c0r0c1r1c0r2c0r2c1|4,r0c3r0c4|11,r0c5r0c6|13,r0c7r0c8|10,r0c2r1c1r1c2|17,r1c5r1c6|6,r1c7r1c8r2c8|0,r1c3r1c4r2c3|0,r2c4r2c5|14,r2c6r2c7r3c7|31,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|8,r2c2r3c2|32,r3c3r4c3r4c4r4c5r5c3|9,r3c4r3c5r3c6|0,r4c6r4c7|0,r3c8r4c8r5c8|17,r5c2r6c2|13,r5c4r5c5r5c6|0,r6c3r7c3r7c4|8,r6c4r6c5|0,r5c7r6c6r6c7|0,r7c1r7c2r8c2|0,r7c5r7c6|0,r6c8r7c7r7c8|26,r6c0r6c1r7c0r8c0r8c1|13,r8c3r8c4|12,r8c5r8c6|0,r8c7r8c8", "solution": "962317458417568923853492671685743219174926385329851746798235164246189537531674892", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3835, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3834, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2011-07-12", "puzzle": "16,r0c0r0c1r1c1|0,r0c4r0c5r0c6|13,r0c2r0c3r1c2|10,r1c3r1c4|0,r0c7r0c8r1c6r1c7r1c8|7,r1c0r2c0|0,r2c1r2c2|0,r2c3r2c4|0,r1c5r2c5|0,r3c0r3c1|10,r3c3r3c4|4,r2c6r3c6|15,r2c7r3c7|12,r2c8r3c8r4c8|0,r4c0r4c1|9,r3c2r4c2|0,r3c5r4c5r4c6r4c7|0,r5c0r5c1r5c2|5,r4c3r5c3|0,r4c4r5c4|7,r5c7r5c8|5,r6c1r6c2|21,r5c5r5c6r6c5r6c6|6,r6c7r6c8|0,r6c0r7c0|0,r7c1r7c2r8c2|0,r6c3r7c3r8c3|10,r6c4r7c4r8c4|11,r7c5r7c6|12,r8c0r8c1|9,r8c5r8c6|5,r7c7r8c7|11,r7c8r8c8", "solution": "753126498149738256628594371375469182214385769896271543932647815567812934481953627", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3834, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3836, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-13", "puzzle": 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"12,r0c0r0c1r0c2|9,r0c4r0c5|11,r1c0r1c1|15,r0c3r1c2r1c3|7,r0c6r1c6|26,r0c7r0c8r1c7r1c8|16,r2c2r2c3r3c3|27,r1c4r1c5r2c4r3c4|11,r2c7r2c8|5,r2c0r3c0|23,r2c1r3c1r4c1|15,r2c5r2c6r3c5r3c6|9,r3c8r4c8|7,r3c2r4c2|19,r3c7r4c5r4c6r4c7|20,r4c0r5c0r5c1r5c2|14,r4c3r4c4r5c3r5c4|15,r5c5r5c6r6c6|19,r5c7r5c8r6c7|28,r6c0r7c0r8c0r8c1r8c2|17,r6c1r6c2r7c1r7c2|11,r6c4r6c5|16,r7c4r7c5r7c6|9,r7c7r8c7|12,r6c8r7c8r8c8|21,r6c3r7c3r8c3r8c4|11,r8c5r8c6", "solution": "318972456925164387467385192184697235693258714752431869531729648876543921249816573", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3837, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3838, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-13", "puzzle": "35,r0c0r0c1r0c2r1c0r1c1r2c0|13,r0c6r0c7|7,r1c2r1c3|28,r0c3r0c4r0c5r1c4r1c5r1c6|10,r0c8r1c8|28,r2c2r2c3r2c4r3c2r4c2|14,r1c7r2c7|3,r2c1r3c1|18,r3c3r3c4r4c3|13,r2c5r3c5|9,r2c6r3c6|15,r2c8r3c7r3c8|28,r3c0r4c0r4c1r5c0r5c1r6c1|15,r5c2r5c3|11,r4c4r4c5r5c4|28,r4c6r5c5r5c6r6c4r6c5r6c6|15,r4c7r4c8r5c7r5c8|11,r6c2r6c3|16,r6c0r7c0|7,r7c1r7c2|23,r7c4r7c5r8c4r8c5|4,r8c0r8c1|11,r7c3r8c2r8c3|43,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "491253768673489152825716394219547683586932417347861925968375241752194836134628579", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3838, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3839, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-13", "puzzle": "22,r0c0r0c1r1c0r1c1|12,r0c4r0c5|8,r0c2r1c2|15,r0c3r1c3r1c4r1c5|13,r0c6r1c6r2c6|27,r0c7r0c8r1c7r2c7|9,r2c1r2c2|0,r2c4r2c5|8,r1c8r2c8r3c8|11,r2c0r3c0r4c0|14,r3c1r3c2|0,r2c3r3c3r4c3|10,r3c6r3c7|10,r4c1r4c2|0,r3c4r3c5r4c4r5c3r5c4|11,r4c6r4c7|0,r5c1r5c2|13,r4c5r5c5r6c5|0,r5c6r5c7|19,r4c8r5c8r6c8|16,r5c0r6c0r7c0|9,r6c3r6c4|12,r6c6r6c7|0,r6c1r7c1r8c0r8c1|0,r6c2r7c2r8c2|23,r7c3r7c4r7c5r8c5|5,r7c6r8c6|0,r8c3r8c4|0,r7c7r7c8r8c7r8c8", "solution": "143275689895436271627819534286754913319628745574193826761542398438967152952381467", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3839, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3841, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-07-14", "puzzle": "10,r0c3r0c4r0c5|7,r0c6r0c7|10,r0c0r1c0|24,r0c1r0c2r1c1|14,r1c2r1c3|11,r1c5r1c6r2c6|9,r0c8r1c8|8,r2c2r3c2|19,r1c4r2c4r2c5|13,r1c7r2c7|12,r2c0r3c0|7,r2c1r3c1r4c1|7,r2c3r3c3|14,r3c4r3c5|10,r3c6r3c7r4c7|16,r2c8r3c8r4c8|15,r4c2r4c3|13,r4c0r5c0r5c1|7,r5c2r5c3|9,r4c4r5c4r6c4|15,r4c5r5c5r6c5|24,r4c6r5c6r6c6|15,r5c7r5c8r6c7|17,r6c0r6c1|11,r6c2r6c3r7c2|12,r7c0r7c1|6,r7c4r7c5|6,r7c6r7c7r8c6|13,r6c8r7c8|4,r8c0r8c1|18,r7c3r8c2r8c3|16,r8c4r8c5|13,r8c7r8c8", "solution": "479163528685972341321548697917286453248735916563419872892351764756824139134697285", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3841, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3840, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-13", "puzzle": "12,r0c0r0c1r1c0|0,r0c7r0c8|15,r0c3r1c3|10,r0c4r0c5r1c4|14,r0c6r1c6|0,r1c7r1c8r2c8|33,r0c2r1c1r1c2r2c0r2c1r2c2|8,r2c3r2c4|17,r1c5r2c5r3c5|19,r2c6r2c7r3c6|0,r3c0r3c1|0,r3c3r3c4r4c3|8,r3c7r4c7|17,r4c0r4c1r5c0|9,r3c2r4c2|32,r4c4r4c5r4c6r5c4r5c5r6c4|0,r3c8r4c8|14,r5c1r5c2r5c3|0,r5c7r5c8|0,r6c0r6c1|15,r5c6r6c5r6c6|13,r6c7r6c8|22,r6c2r6c3r7c2|0,r7c3r7c4|26,r7c7r7c8r8c7r8c8|12,r7c0r8c0|0,r7c1r8c1r8c2|4,r8c3r8c4|9,r7c5r8c5|0,r7c6r8c6", "solution": "731854692269713854854629731617485923482391567593276418125948376378562149946137285", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3840, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3842, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-07-14", "puzzle": "21,r0c0r0c1r1c0r1c1|15,r0c4r0c5|7,r0c2r1c2|7,r0c3r1c3|15,r1c4r1c5|19,r0c6r0c7r0c8r1c8r2c8|9,r2c1r2c2|26,r1c6r1c7r2c6r2c7|16,r2c0r3c0r4c0|10,r3c2r3c3|9,r3c7r4c7|7,r3c8r4c8|15,r3c1r4c1|9,r3c4r4c4r4c5|28,r2c3r2c4r2c5r3c5r3c6r4c6r5c6|4,r5c0r5c1|9,r4c2r5c2|24,r4c3r5c3r5c4|12,r5c5r6c5|15,r5c7r5c8|4,r6c3r6c4|13,r6c6r7c6|7,r6c7r6c8|14,r7c3r8c3|11,r7c4r7c5|24,r7c7r7c8r8c7r8c8|45,r6c0r6c1r6c2r7c0r7c1r7c2r8c0r8c1r8c2|10,r8c4r8c5r8c6", "solution": "956278341341569872827431659279146583685923714134785296468317925513892467792654138", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3842, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3843, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-07-14", "puzzle": "7,r0c1r0c2|14,r0c3r0c4|10,r0c5r0c6|18,r0c7r0c8r1c7r1c8|5,r1c2r1c3|16,r1c4r1c5|26,r0c0r1c0r1c1r2c1|9,r2c2r2c3|14,r2c4r2c5r3c5|9,r1c6r2c6r3c6|20,r2c0r3c0r4c0|12,r2c7r3c7|14,r2c8r3c8|24,r3c1r3c2r4c1r4c2r4c3|26,r4c5r4c6r4c7r5c6r5c7|13,r5c0r6c0|8,r5c1r6c1|19,r3c3r3c4r4c4r5c4r5c5|15,r4c8r5c8r6c8|17,r5c2r6c2r7c2|8,r5c3r6c3r6c4|8,r6c5r6c6|21,r6c7r7c7r7c8r8c8|12,r7c3r7c4|17,r7c5r7c6|12,r7c0r7c1r8c0r8c1|15,r8c2r8c3|11,r8c4r8c5|5,r8c6r8c7", "solution": "325861974681497352497235186932716548764958231518324769873142695146579823259683417", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3843, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3845, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-07-14", "puzzle": "4,r0c4r0c5|13,r0c0r1c0|0,r0c1r1c1|0,r0c2r1c2r2c2|18,r0c3r1c3r1c4|23,r0c6r1c6r2c6r2c7r2c8|0,r0c7r0c8r1c7r1c8|11,r2c0r2c1r3c0|21,r2c3r2c4r3c3|8,r1c5r2c5|11,r3c6r3c7|5,r3c8r4c8|20,r3c1r4c0r4c1r5c0|12,r3c2r4c2|24,r4c6r5c5r5c6|0,r5c2r5c3r6c2r6c3|29,r3c4r3c5r4c3r4c4r4c5r5c4|14,r4c7r5c7r5c8|0,r6c0r7c0r7c1r8c0r8c1r8c2|0,r5c1r6c1|0,r6c4r6c5|19,r6c6r6c7r6c8|10,r7c2r7c3|14,r7c4r7c5r8c3r8c4|12,r7c6r8c5r8c6|0,r7c7r7c8|0,r8c7r8c8", "solution": "892513476573946218461872539137685924925734861648129753214397685786451392359268147", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3845, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3844, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2011-07-14", "puzzle": "11,r0c0r0c1r1c1|16,r0c5r0c6|17,r0c7r0c8r1c8r2c8|18,r0c2r0c3r1c2|20,r0c4r1c4r1c5r2c4|0,r1c6r1c7|18,r1c0r2c0r3c0|7,r1c3r2c3|0,r2c5r2c6r2c7|0,r2c1r2c2r3c1|9,r3c2r3c3|37,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|0,r3c6r3c7r3c8|0,r4c0r4c1r4c2|0,r4c6r4c7r4c8|14,r5c0r5c1r5c2|15,r5c5r5c6|0,r5c7r6c6r6c7|0,r6c1r6c2r6c3|6,r6c5r7c5|0,r5c8r6c8r7c8|8,r7c1r7c2|30,r6c4r7c3r7c4r8c4|10,r7c6r8c5r8c6|16,r6c0r7c0r8c0r8c1|14,r8c2r8c3|15,r7c7r8c7r8c8", "solution": "126859734984327561573461289497235816362918457851746923648192375235674198719583642", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3844, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3846, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-15", "puzzle": "16,r0c1r0c2r0c3|14,r0c4r0c5|12,r0c6r0c7r0c8|18,r0c0r1c0r1c1|3,r1c2r1c3|14,r1c5r1c6r2c5|8,r1c7r1c8|17,r2c0r2c1r2c2|13,r1c4r2c4|10,r2c7r2c8|8,r2c3r3c3|5,r3c4r3c5|11,r2c6r3c6|15,r3c7r3c8|14,r3c0r4c0|14,r3c1r4c1|4,r3c2r4c2|17,r4c3r4c4r4c5|14,r4c6r5c6|7,r4c7r5c7|5,r4c8r5c8|9,r5c0r5c1|10,r5c2r6c2|10,r5c3r5c4|17,r5c5r6c5|7,r6c0r6c1|8,r6c4r7c4|13,r6c6r6c7r6c8|8,r7c0r7c1|19,r6c3r7c2r7c3|9,r7c5r7c6|18,r7c7r7c8r8c8|16,r8c0r8c1r8c2|10,r8c3r8c4|12,r8c5r8c6r8c7", "solution": "317895246692174835845362791961523478583647912724918563256739184178456329439281657", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3846, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3847, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-07-15", "puzzle": "30,r0c0r0c1r0c2r0c3r1c0r2c0r3c0|17,r0c4r0c5r0c6|10,r0c7r0c8|16,r1c1r1c2r2c1|13,r1c3r1c4|11,r1c5r1c6|24,r2c2r2c3r3c2r3c3|13,r2c4r2c5r2c6|8,r1c7r2c7|11,r1c8r2c8|7,r3c1r4c1|10,r3c5r3c6|14,r3c4r4c3r4c4|17,r3c7r4c7|6,r3c8r4c8|13,r4c0r5c0r6c0|17,r5c1r6c1|17,r4c2r5c2r6c2|16,r4c5r5c4r5c5|16,r4c6r5c6r5c7|8,r5c3r6c3|16,r6c6r6c7r7c6r7c7|6,r5c8r6c8|9,r7c1r7c2|7,r7c3r7c4|16,r6c4r6c5r7c5|12,r7c0r8c0|5,r8c1r8c2|7,r8c3r8c4|11,r8c5r8c6|22,r7c8r8c7r8c8", "solution": "852371946476589213139462578713826495264935781598147632685793124327614859941258367", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3847, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3848, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-15", "puzzle": "32,r0c0r0c1r0c2r1c0r1c1r2c0|26,r0c3r0c4r0c5r1c4|31,r0c6r0c7r0c8r1c7r1c8r2c8|32,r1c2r1c3r1c5r1c6r2c3r2c4r2c5|24,r2c1r2c2r3c2r3c3|10,r2c6r2c7r3c5r3c6|11,r3c0r3c1r4c0|13,r3c7r3c8r4c8|16,r4c1r4c2r5c2|28,r3c4r4c3r4c4r4c5r5c4r6c4|17,r4c6r4c7r5c6|5,r5c0r6c0|11,r5c1r6c1|9,r5c3r6c3|13,r5c5r6c5|11,r5c7r6c7|9,r5c8r6c8|27,r6c2r7c0r7c1r7c2r8c2|30,r6c6r7c6r7c7r7c8r8c6|13,r8c0r8c1|30,r7c3r7c4r7c5r8c3r8c4r8c5|7,r8c7r8c8", "solution": "172649583584371926936285417417892365658134792293567148329456871841723659765918234", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3848, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3849, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-15", "puzzle": 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"11,r0c4r0c5|11,r0c0r1c0|14,r0c1r1c1|9,r0c2r1c2|16,r0c3r1c3r2c3|0,r1c4r1c5|0,r0c6r1c6|3,r0c7r1c7|0,r0c8r1c8|4,r2c0r2c1|0,r2c4r2c5|0,r2c6r2c7r2c8r3c8|17,r2c2r3c1r3c2|7,r3c4r3c5|9,r3c6r3c7|10,r3c0r4c0|12,r3c3r4c3|13,r4c4r4c5|0,r4c6r4c7r4c8r5c8|0,r4c1r5c1|19,r4c2r5c2r6c2r7c2|0,r5c3r5c4r5c5r5c6r5c7r6c3r6c4r6c5|9,r5c0r6c0|20,r6c6r6c7r6c8r7c6|0,r6c1r7c1|0,r7c0r8c0r8c1|12,r8c2r8c3|13,r7c3r7c4r8c4|18,r7c5r8c5r8c6|17,r7c7r7c8r8c7r8c8", "solution": "265938417984517623137264985791852364328476591546193278412685739853729146679341852", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3850, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3851, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-07-16", "puzzle": "16,r0c0r0c1r0c2|10,r0c3r0c4|13,r0c5r0c6r0c7|9,r0c8r1c8|19,r1c1r1c2r2c2|15,r1c3r1c4r1c5|4,r1c0r2c0|17,r2c3r2c4r2c5|13,r1c6r2c6|13,r1c7r2c7r2c8|15,r2c1r3c1r4c1|8,r3c2r3c3|13,r3c5r3c6r3c7|11,r3c0r4c0|8,r4c2r4c3|9,r3c4r4c4|13,r5c2r5c3|18,r4c5r5c5r6c5|14,r4c6r5c6|5,r4c7r5c7|14,r3c8r4c8r5c8|17,r5c0r6c0|6,r5c1r6c1|4,r6c2r6c3|16,r5c4r6c4|13,r7c1r7c2r7c3|6,r7c4r7c5|10,r6c6r7c6|19,r6c7r7c7r8c7|15,r6c8r7c8r8c8|8,r7c0r8c0|18,r8c1r8c2r8c3|16,r8c4r8c5r8c6", "solution": "574913286198726453362458917486231579713569824925874631841395762657142398239687145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3851, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3852, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-07-16", "puzzle": 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"10,r0c0r0c1|8,r0c4r0c5r1c5|6,r1c0r1c1|0,r0c2r1c2|24,r0c3r1c3r1c4|0,r0c6r1c6r2c6r2c7r2c8|24,r0c7r0c8r1c7r1c8|0,r2c2r2c3|11,r2c4r2c5|21,r2c0r2c1r3c0|5,r3c1r3c2|0,r3c4r3c5r4c5|0,r3c6r4c6|11,r3c7r3c8r4c8|12,r4c0r4c1r5c1|0,r4c2r5c2r5c3r6c1r6c2r6c3r6c4r7c2|0,r3c3r4c3r4c4r5c4r5c5|0,r5c6r6c6|16,r4c7r5c7r5c8|0,r5c0r6c0|0,r6c5r7c5|12,r6c7r6c8|14,r7c3r7c4r8c4|9,r7c7r8c7|14,r7c8r8c8|25,r7c0r7c1r8c0r8c1|13,r8c2r8c3|11,r7c6r8c5r8c6", "solution": "286931745153784269497256831814679352379125684625348917542867193761493528938512476", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3854, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3855, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-16", "puzzle": "21,r0c0r0c1r1c0|0,r0c2r1c1r1c2|13,r0c3r1c3|0,r0c4r1c4|8,r0c5r1c5|0,r0c6r1c6r1c7|0,r0c7r0c8r1c8|8,r2c1r2c2|14,r2c6r2c7|13,r2c0r3c0|0,r3c1r3c2|5,r2c3r3c3|0,r2c4r3c4|0,r2c5r3c5|7,r3c6r3c7|0,r2c8r3c8|0,r4c2r4c3r4c4r4c5r4c6|23,r4c0r4c1r5c0r6c0r6c1r7c0|10,r5c1r5c2|21,r5c3r5c4r5c5|5,r5c6r5c7|31,r4c7r4c8r5c8r6c7r6c8r7c8|0,r6c2r6c3r6c4r6c5r6c6|4,r7c1r7c2|11,r7c6r7c7|9,r8c0r8c1|43,r7c3r7c4r7c5r8c2r8c3r8c4r8c5r8c6|0,r8c7r8c8", "solution": "843957126952461873617382954798234615325816497164579238589623741431798562276145389", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3855, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3856, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-17", "puzzle": "14,r0c1r0c2|13,r0c3r0c4r1c3|11,r0c0r1c0|9,r1c1r1c2|13,r0c5r1c4r1c5|9,r0c6r1c6|10,r0c7r1c7|11,r0c8r1c8|10,r2c0r2c1|16,r2c4r2c5r3c4|15,r2c6r2c7r3c7|13,r3c0r3c1|9,r2c2r3c2|6,r2c3r3c3|16,r3c5r4c5r5c5|8,r2c8r3c8|6,r4c0r4c1|16,r4c2r4c3r4c4|15,r3c6r4c6r5c6|17,r4c7r4c8|9,r5c0r5c1|8,r5c2r6c2|16,r5c3r6c3|5,r5c8r6c8|12,r6c0r6c1|15,r5c4r6c4r6c5|13,r5c7r6c6r6c7|3,r7c0r8c0|13,r7c1r7c2|11,r7c4r7c5r8c5|14,r7c6r8c6|5,r7c7r8c7|13,r7c8r8c8|11,r8c1r8c2|20,r7c3r8c3r8c4", "solution": "459173862763528149821469375948217653517634298632985714396752481185346927274891536", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3856, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3857, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-07-17", "puzzle": 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"11,r0c0r0c1|11,r0c5r0c6|9,r0c7r0c8|18,r0c2r0c3r1c1r1c2|23,r0c4r1c3r1c4r1c5r2c5|18,r1c7r1c8r2c7|4,r1c0r2c0|26,r2c1r2c2r2c3r2c4|9,r1c6r2c6|0,r3c4r3c5r3c6|0,r2c8r3c7r3c8|0,r3c2r4c1r4c2r5c2|0,r3c3r4c3r5c3|10,r4c4r4c5|0,r4c6r4c7r4c8|0,r3c0r3c1r4c0r5c0r5c1|12,r5c4r5c5r5c6|14,r5c7r5c8r6c8|0,r6c0r7c0|24,r6c1r6c2r6c3r6c4|0,r6c6r7c6|28,r7c1r7c2r8c2r8c3|22,r6c5r7c3r7c4r7c5r8c4|0,r6c7r7c7r7c8|0,r8c0r8c1|0,r8c5r8c6|10,r8c7r8c8", "solution": "927168345146235879358947126491786253732591468865423791283679514579314682614852937", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3860, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3863, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-07-18", "puzzle": "18,r0c0r0c1r1c0|14,r0c3r0c4r0c5|34,r0c2r1c1r1c2r1c3r2c0r2c1r3c1|6,r1c5r1c6|26,r0c6r0c7r0c8r1c7r1c8|16,r2c2r2c3r3c2|14,r1c4r2c4|15,r2c6r2c7r2c8|19,r2c5r3c5r3c6r4c5|6,r3c0r4c0r5c0|13,r4c1r4c2|20,r3c3r3c4r4c3r4c4|12,r3c7r4c6r4c7|15,r3c8r4c8|24,r5c2r5c3r5c4r6c3|24,r5c5r5c6r6c5r6c6|9,r5c7r5c8|13,r5c1r6c1|16,r6c2r7c2r8c2|12,r6c4r7c3r7c4|15,r6c7r6c8r7c6r7c7r8c6|24,r6c0r7c0r7c1r8c0r8c1|10,r8c3r8c4|9,r7c5r8c5|21,r7c8r8c7r8c8", "solution": "573419682691582473824763591165347829249851736387926145752638914916274358438195267", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3863, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3861, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-07-18", "puzzle": 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"0,r0c2r0c3r0c4r1c4|0,r0c0r1c0|10,r0c1r1c1|0,r1c2r1c3|8,r0c5r1c5|14,r0c6r1c6|23,r0c7r0c8r1c7r2c7|13,r2c0r2c1|0,r2c3r2c4|0,r1c8r2c8r3c8|16,r3c0r3c1|8,r2c2r3c2|0,r2c5r2c6r3c5|7,r3c6r3c7|0,r4c0r4c1|14,r4c2r4c3|24,r3c3r3c4r4c4r5c4r5c5|11,r4c5r4c6|0,r4c7r4c8|9,r5c1r5c2|0,r5c3r6c2r6c3|10,r5c6r6c6|17,r5c7r5c8|14,r5c0r6c0r7c0|8,r6c4r6c5|6,r6c7r6c8|16,r6c1r7c1r8c0r8c1|0,r7c2r8c2|9,r7c3r8c3|12,r7c5r7c6|7,r7c7r8c7|0,r7c8r8c8|0,r7c4r8c4r8c5r8c6", "solution": "614793825293485671587162493971836254825914736436257189368571942752649318149328567", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3864, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3865, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-07-18", "puzzle": "7,r0c0r0c1r1c0|9,r0c2r0c3|27,r0c4r0c5r1c3r1c4r1c5|0,r0c6r1c6|20,r0c7r0c8r1c7|24,r1c1r1c2r2c1r2c2|6,r2c4r2c5|0,r2c6r2c7|0,r1c8r2c8|15,r2c0r3c0|0,r2c3r3c2r3c3|0,r3c4r3c5|0,r3c7r3c8|0,r3c1r4c0r4c1r5c0r5c1|18,r4c4r4c5r5c4|0,r3c6r4c6|13,r4c7r4c8r5c8r6c8|0,r4c2r5c2|11,r4c3r5c3|10,r6c0r6c1|6,r6c3r6c4|21,r5c5r5c6r6c5r6c6|11,r5c7r6c7|14,r7c0r7c1r8c0|11,r6c2r7c2|0,r7c5r7c6|10,r8c1r8c2|16,r7c3r8c3|20,r7c4r8c4r8c5r8c6|19,r7c7r7c8r8c7r8c8", "solution": "125479683487236195963815274651347829278591346394682751739158462812964537546723918", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3865, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3866, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-19", "puzzle": "20,r0c2r0c3r0c4|11,r0c5r0c6r0c7|5,r0c0r1c0|7,r0c1r1c1|3,r1c3r2c3|19,r1c4r1c5r1c6|14,r0c8r1c8|13,r2c0r2c1|11,r1c2r2c2|6,r3c0r3c1|6,r3c2r3c3|13,r2c4r3c4|14,r2c5r3c5|13,r2c6r3c6|20,r1c7r2c7r3c7|5,r2c8r3c8|18,r4c0r4c1r4c2|12,r4c3r4c4|12,r4c5r4c6|3,r4c7r4c8|12,r5c0r5c1|15,r5c2r5c3|3,r5c4r6c4|7,r5c5r6c5|10,r5c6r6c6|19,r5c7r6c7r7c7|11,r5c8r6c8|11,r6c0r6c1|6,r6c2r7c2|11,r7c0r8c0|11,r7c1r8c1|16,r6c3r7c3|10,r7c4r7c5r7c6|14,r7c8r8c8|17,r8c2r8c3r8c4|7,r8c5r8c6r8c7", "solution": "429657138158239746763148592512496873684573921397812654831925467245761389976384215", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3866, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3869, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-07-19", "puzzle": "25,r0c4r1c4r1c5r1c6|9,r0c5r0c6|0,r0c0r0c1r1c0r1c1|17,r0c2r0c3r1c2|23,r0c7r0c8r1c7r1c8|4,r1c3r2c3|0,r2c5r2c6|0,r2c0r3c0|13,r2c1r3c1|7,r2c2r3c2|0,r2c4r3c3r3c4r3c5|0,r2c7r2c8r3c7|28,r4c1r4c2r4c3r4c4|0,r3c6r4c6|16,r3c8r4c8r5c8|12,r4c0r5c0r6c0|0,r4c5r5c5|15,r4c7r5c6r5c7|3,r5c1r6c1|0,r5c2r6c2|7,r5c3r6c3|0,r5c4r6c4|18,r6c5r6c6r6c7|12,r7c4r7c5r8c4|0,r6c8r7c7r7c8|10,r7c0r8c0|15,r7c1r8c1|0,r7c2r8c2|14,r7c3r8c3|0,r7c6r8c5r8c6r8c7r8c8", "solution": "138725496742196853956348271681932745579481362324567189417259638893614527265873914", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3869, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3867, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-07-19", "puzzle": "8,r0c0r0c1|27,r0c4r0c5r0c6r0c7r0c8|25,r1c0r1c1r2c0r2c1r3c0|14,r0c2r0c3r1c2|12,r1c3r1c4|12,r1c5r1c6r1c7|11,r2c2r2c3r3c3|20,r2c4r2c5r3c4|6,r2c6r2c7|9,r1c8r2c8|8,r3c1r3c2|15,r3c5r3c6|23,r4c2r4c3r4c4r4c5r5c4|28,r3c7r3c8r4c6r4c7r4c8|26,r4c0r4c1r5c0r5c1|15,r5c5r5c6r5c7r5c8|16,r6c0r6c1r7c1|21,r5c2r5c3r6c2r6c3|33,r6c4r6c5r6c6r7c5r7c6|9,r7c3r7c4|18,r6c7r7c7r8c7r8c8|6,r6c8r7c8|10,r7c0r8c0|17,r7c2r8c1r8c2|9,r8c3r8c4|7,r8c5r8c6", "solution": "629143578834752196571689423217436985453918267986527341162895734795364812348271659", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3867, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3868, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-19", "puzzle": "20,r0c0r1c0r2c0r3c0|11,r0c1r1c1|10,r0c2r1c2|4,r0c3r1c3|17,r0c4r0c5r0c6r1c4|19,r0c7r0c8r1c8|11,r2c1r2c2|13,r2c3r2c4|18,r2c5r2c6r3c5r3c6|11,r3c2r3c3|24,r1c5r1c6r1c7r2c7r3c7|11,r3c1r4c0r4c1|11,r4c6r5c6|17,r2c8r3c8r4c7r4c8|14,r5c2r5c3r6c3|40,r3c4r4c2r4c3r4c4r4c5r5c4r6c4|6,r5c5r6c5|15,r5c7r5c8|12,r5c0r6c0|5,r6c6r7c6|9,r6c7r6c8|29,r5c1r6c1r6c2r7c2r7c3|14,r7c4r7c5r8c4|9,r7c7r7c8|18,r7c0r7c1r8c0r8c1|8,r8c2r8c3|29,r8c5r8c6r8c7r8c8", "solution": "649172358271358946538946721786593214125784639394261587963815472857429163412637895", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3868, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3872, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-07-20", "puzzle": "10,r0c4r0c5|15,r0c0r0c1r1c0|14,r0c2r1c1r1c2|16,r0c3r1c3|20,r0c6r0c7r0c8r1c6|4,r1c7r1c8|8,r2c1r2c2r2c3|15,r1c4r1c5r2c4|10,r2c5r2c6|18,r2c0r3c0r3c1r4c0|19,r3c2r3c3r4c3|20,r2c7r3c6r3c7|12,r2c8r3c8|16,r4c1r4c2|9,r4c6r4c7|6,r5c0r6c0|15,r5c1r5c2r6c1|21,r3c4r3c5r4c4r5c3r5c4|14,r4c5r5c5r5c6|24,r4c8r5c7r5c8r6c8|7,r6c2r6c3|18,r6c4r7c3r7c4|15,r6c5r6c6r6c7|6,r7c0r7c1|27,r7c2r8c0r8c1r8c2|6,r7c5r8c5|18,r7c6r7c7r8c6|7,r7c8r8c7r8c8|15,r8c3r8c4", "solution": "613728495874956213952143768326817954497532186581469327165274839249385671738691542", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3872, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3870, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-07-19", "puzzle": "9,r0c0r0c1|0,r0c5r0c6|15,r0c2r1c2|0,r0c3r1c3|17,r0c4r1c4|0,r1c5r1c6r2c6|0,r0c7r0c8r1c7r1c8r2c7|18,r1c0r1c1r2c0|11,r2c3r2c4|12,r3c0r4c0r5c0|3,r2c1r3c1|6,r2c2r3c2|24,r3c3r3c4r4c3r4c4r5c3r5c4|16,r2c5r3c5|0,r3c6r3c7|12,r2c8r3c8|0,r4c1r4c2|0,r4c5r4c6|0,r4c7r4c8|0,r5c1r6c1|12,r5c2r6c2|0,r5c5r6c5|9,r5c6r5c7|0,r5c8r6c8|16,r6c0r7c0r7c1|13,r6c3r6c4|8,r7c2r8c2|0,r7c3r8c3|0,r7c4r8c4|0,r6c6r7c5r7c6|30,r6c7r7c7r7c8r8c7r8c8|13,r8c0r8c1|9,r8c5r8c6", "solution": "547183926638492517921567348315679284264358791789214635853946172172835469496721853", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3870, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3871, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-07-20", "puzzle": "14,r0c2r0c3r1c2|16,r0c4r0c5r0c6|15,r0c0r1c0r2c0|17,r0c1r1c1|19,r0c7r1c6r1c7|3,r0c8r1c8|10,r2c1r2c2r3c1|18,r1c3r2c3r3c3|23,r1c4r2c4r3c4|3,r1c5r2c5|13,r2c6r2c7r3c6|18,r3c5r4c5r4c6|17,r2c8r3c7r3c8|4,r3c0r4c0|10,r4c1r5c1|15,r3c2r4c2|3,r4c3r4c4|14,r5c2r5c3r5c4|17,r5c5r5c6r6c5|5,r4c7r5c7|21,r4c8r5c8r6c8|14,r5c0r6c0|7,r6c2r6c3r6c4|16,r6c6r6c7|5,r6c1r7c1|13,r7c2r7c3r7c4|13,r7c5r7c6|12,r7c7r7c8r8c8|12,r7c0r8c0|13,r8c1r8c2|14,r8c3r8c4|11,r8c5r8c6r8c7", "solution": "283645791795381462614792385157864239368219547942573816531426978829137654476958123", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3871, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3873, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-07-20", "puzzle": "11,r0c3r0c4|19,r0c0r0c1r0c2r1c0r1c2|20,r0c5r1c3r1c4r1c5|23,r1c1r2c1r3c1|7,r2c3r2c4r3c3|20,r2c5r2c6r3c6|38,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|18,r2c0r3c0r4c0|13,r2c2r3c2r4c2|14,r3c4r3c5r4c5|20,r3c7r3c8r4c7r5c7|18,r4c3r4c4r5c4|16,r4c8r5c8|6,r4c1r5c1|13,r5c2r5c3r6c3|13,r4c6r5c5r5c6|12,r5c0r6c0|12,r6c4r6c5r6c6|34,r6c1r6c2r7c0r7c1r7c2r8c0r8c1|12,r7c3r7c4|8,r7c5r7c6r7c7|15,r8c2r8c3|17,r8c4r8c5r8c6|26,r6c7r6c8r7c8r8c7r8c8", "solution": "271835694495726813368149725983267451652491387714358269547612938829573146136984572", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3873, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3874, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-20", "puzzle": "11,r0c0r0c1r1c1|4,r0c2r0c3|14,r0c4r0c5|0,r1c4r1c5r2c4r2c5r2c6r2c7|12,r0c6r1c6|0,r0c7r0c8r1c7r1c8|18,r1c0r2c0r2c1|21,r1c2r1c3r2c2r2c3|0,r3c3r3c4|0,r3c5r3c6|0,r2c8r3c8|0,r3c0r4c0|20,r3c1r4c1r5c1|11,r3c2r4c2|0,r4c3r4c4r4c5|16,r4c6r5c6|0,r3c7r4c7r5c7|0,r4c8r5c8|10,r5c0r6c0|6,r5c2r5c3|15,r5c4r5c5|0,r6c5r6c6r7c5r7c6|19,r6c7r6c8r7c8|16,r7c0r7c1r8c0r8c1|9,r7c2r8c2|29,r6c1r6c2r6c3r6c4r7c3r7c4|16,r8c3r8c4|7,r8c5r8c6|12,r7c7r8c7r8c8", "solution": "823159467619247853574683291495728136786531942132496785947315628251864379368972514", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3874, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3875, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-07-20", "puzzle": 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"21,r0c2r0c3r1c3|19,r0c0r0c1r1c0|0,r0c4r1c4|9,r0c5r1c5|10,r0c6r1c6|11,r0c7r0c8r1c7r1c8|10,r1c1r2c0r2c1|11,r1c2r2c2|0,r2c3r2c4|0,r2c5r2c6r3c6|0,r2c7r2c8|15,r3c1r3c2r4c2|29,r3c3r3c4r3c5r4c5r5c5|10,r3c7r3c8|0,r3c0r4c0r5c0r6c0|16,r4c3r4c4r5c3r5c4|0,r4c6r5c6|0,r4c7r4c8|18,r4c1r5c1r5c2|7,r5c7r5c8r6c8|0,r6c1r6c2r7c1r7c2|17,r6c4r6c5r7c5|15,r6c6r6c7|9,r6c3r7c3r7c4|0,r7c6r7c7r8c6|14,r7c0r8c0r8c1|20,r8c2r8c3r8c4r8c5|19,r7c8r8c7r8c8", "solution": "475928613869731425312546879184695237523417968697382541946153782738269154251874396", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3880, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3877, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-07-21", "puzzle": 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"3,r0c1r0c2|0,r0c3r0c4|18,r0c0r1c0r2c0r2c1|0,r1c1r1c2|7,r1c3r1c4|0,r0c5r0c6r0c7r1c5|15,r0c8r1c8r2c8|0,r2c4r2c5|30,r1c7r2c7r3c7r3c8|0,r2c2r3c2|34,r2c3r3c3r4c3r4c4r4c5r5c3r6c3|5,r3c4r3c5|13,r1c6r2c6r3c6|0,r4c1r4c2|9,r4c6r4c7r4c8|19,r3c0r3c1r4c0r5c0r5c1|10,r5c2r6c2|14,r5c4r5c5|0,r5c6r6c6r7c6|0,r6c4r6c5|10,r5c7r5c8r6c7r7c7|22,r6c0r6c1r7c0r8c0|0,r7c1r7c2|0,r7c3r7c4|20,r7c5r8c5r8c6r8c7|17,r6c8r7c8r8c8|0,r8c1r8c2|0,r8c3r8c4", "solution": "612974385378251469549368271156432798294687153837195642723549816981726534465813927", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3879, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3878, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-21", "puzzle": "9,r0c2r0c3|24,r0c4r0c5r1c5|13,r0c6r0c7|33,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|9,r1c3r1c4|13,r0c8r1c8r2c8|3,r2c3r2c4|19,r1c6r1c7r2c6r2c7|11,r2c0r3c0|11,r3c2r4c2|12,r2c5r3c5r3c6|17,r3c7r3c8|4,r3c1r4c1|22,r3c3r3c4r4c3r4c4|13,r4c7r4c8r5c8|19,r4c0r5c0r5c1|11,r5c2r5c3r6c3|16,r4c5r5c4r5c5|24,r4c6r5c6r6c4r6c5r6c6|20,r6c1r6c2r7c1r7c2|13,r5c7r6c7r6c8|10,r6c0r7c0|15,r7c5r7c6r8c6|15,r8c0r8c1r8c2|16,r7c3r8c3|11,r7c4r8c4r8c5|22,r7c7r7c8r8c7r8c8", "solution": "325489761841637529796215843432576198519823674687194352964358217173962485258741936", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3878, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3881, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-07-22", "puzzle": "6,r0c0r0c1|10,r0c5r0c6|17,r0c7r0c8|12,r0c2r1c2|12,r0c3r0c4r1c3|20,r1c4r1c5r2c4|6,r1c6r1c7r1c8|11,r1c0r2c0r3c0|16,r1c1r2c1|11,r2c7r2c8r3c8|9,r2c2r2c3r3c2|16,r3c3r3c4|13,r2c5r3c5|12,r2c6r3c6r4c6|12,r3c7r4c7|12,r3c1r4c0r4c1|16,r4c2r4c3r4c4|14,r4c5r5c5|8,r4c8r5c8|10,r5c1r5c2r6c2|4,r5c3r5c4|17,r5c6r5c7|15,r5c0r6c0|13,r6c3r6c4|8,r6c5r6c6|7,r6c1r7c1|16,r7c2r7c3r7c4|13,r7c5r7c6|4,r6c7r7c7|16,r6c8r7c8|19,r7c0r8c0r8c1|15,r8c2r8c3|6,r8c4r8c5r8c6|9,r8c7r8c8", "solution": "514263798698457123372189564286794351139528476745316982851942637423675819967831245", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3881, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3876, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-21", "puzzle": "5,r0c2r0c3|14,r0c5r0c6|13,r0c0r1c0|12,r0c1r1c1|9,r1c2r1c3|7,r0c4r1c4r2c4|11,r1c5r1c6|16,r0c7r1c7|7,r0c8r1c8|19,r2c1r2c2r2c3|9,r2c5r2c6r2c7|7,r2c0r3c0|15,r3c1r3c2r3c3|14,r3c4r4c4|15,r3c5r3c6r3c7|15,r2c8r3c8|12,r4c0r4c1r5c0|17,r4c2r4c3r5c3|14,r4c5r4c6r5c5|12,r4c7r4c8r5c8|14,r5c1r5c2|6,r5c6r5c7|12,r6c0r7c0r7c1|13,r6c1r6c2r6c3|16,r5c4r6c4|15,r6c5r6c6r6c7|17,r6c8r7c7r7c8|14,r8c0r8c1|10,r7c2r8c2|8,r7c3r8c3|8,r7c4r8c4|15,r7c5r8c5|11,r7c6r8c6|3,r8c7r8c8", "solution": "682319574741825693539746218295164387173582946468973152327491865816257439954638721", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3876, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3883, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-07-22", "puzzle": "24,r0c1r0c2r0c3r1c3|6,r0c4r0c5|17,r0c0r1c0r1c1|7,r1c4r2c4|9,r1c5r1c6|28,r0c6r0c7r0c8r1c7r1c8r2c8|6,r1c2r2c2|17,r2c5r2c6r3c5r3c6|16,r2c7r3c7|7,r2c0r3c0|12,r2c1r3c1|17,r2c3r3c2r3c3|9,r3c8r4c8|28,r4c0r4c1r4c2r5c0|30,r3c4r4c3r4c4r4c5r5c3r5c4|3,r4c6r4c7|8,r5c1r5c2|21,r5c5r5c6r6c5|38,r6c0r6c1r6c2r7c1r7c2r8c2|3,r6c3r7c3|21,r6c4r7c4r8c3r8c4|6,r6c6r6c7|22,r5c7r5c8r6c8r7c8|11,r7c5r7c6|7,r7c0r8c0r8c1|14,r8c5r8c6|18,r7c7r8c7r8c8", "solution": "736842915912765438584913672243581796895674123671329584368157249457298361129436857", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3883, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3886, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-23", "puzzle": "9,r0c0r0c1r1c0|6,r0c4r0c5|8,r0c6r0c7|20,r0c2r1c1r1c2|11,r0c3r1c3|11,r1c4r1c5|15,r1c6r1c7|10,r0c8r1c8|9,r2c6r2c7|15,r2c0r3c0r4c0|9,r2c1r3c1|11,r2c2r3c2|14,r2c3r2c4r3c3|15,r2c5r3c5r4c5|10,r2c8r3c8|13,r4c1r5c1|5,r4c2r5c2|23,r3c4r4c4r5c4|3,r3c6r4c6|17,r3c7r4c7|13,r5c0r6c0|12,r4c3r5c3r6c3|17,r5c5r6c4r6c5|11,r5c6r6c6|7,r5c7r6c7|11,r4c8r5c8r6c8|10,r6c1r6c2|13,r7c0r8c0|7,r7c1r7c2|6,r7c3r7c4|10,r7c5r8c5|13,r7c6r7c7r8c6|10,r8c1r8c2|10,r8c3r8c4|21,r7c8r8c7r8c8", "solution": "359642718147538962286917453915463287473285196862791534528379641734156829691824375", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3886, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3884, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-22", "puzzle": "25,r0c0r0c1r0c2r1c0r2c0|0,r0c3r0c4r0c5|0,r0c6r0c7r1c6|10,r0c8r1c7r1c8|20,r1c1r1c2r2c1r2c2|6,r1c3r2c3|22,r1c4r1c5r2c4|0,r2c7r2c8r3c8|0,r3c1r3c2|11,r3c3r3c4r4c3|4,r2c5r3c5|19,r2c6r3c6r3c7|14,r3c0r4c0r5c0|0,r4c1r4c2r5c1|0,r4c4r4c5r5c4|0,r4c6r4c7r4c8|10,r5c2r5c3|0,r5c7r5c8|24,r6c2r6c3r7c3|0,r5c5r5c6r6c5r6c6|0,r6c7r6c8|15,r6c0r6c1r7c0|0,r6c4r7c4r8c4|0,r7c7r7c8r8c7r8c8|19,r7c1r8c0r8c1|0,r7c2r8c2r8c3|14,r7c5r8c5|10,r7c6r8c6", "solution": "849367521127485936365291874516823749793154268284679153658942317432718695971536482", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3884, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3882, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-07-22", "puzzle": "14,r0c3r0c4r0c5|8,r0c7r0c8|11,r0c0r1c0|13,r0c1r1c1|5,r0c2r1c2|15,r1c4r1c5|5,r0c6r1c6|22,r1c7r1c8r2c7r3c7|10,r2c1r2c2|6,r1c3r2c3|6,r2c5r2c6|13,r2c0r3c0|23,r3c1r3c2r3c3|10,r2c8r3c8|6,r4c0r4c1|8,r4c2r5c2|15,r4c3r5c3|12,r3c5r4c5|9,r3c6r4c6|11,r4c7r4c8|9,r5c0r6c0|22,r2c4r3c4r4c4r5c4r6c4|19,r5c5r5c6r5c7|7,r5c8r6c8|7,r6c2r6c3|13,r6c5r7c5|17,r6c6r6c7|17,r5c1r6c1r7c0r7c1|14,r7c2r8c2|10,r7c3r7c4|10,r7c6r8c6|9,r7c7r8c7|6,r7c8r8c8|12,r8c0r8c1|11,r8c3r8c4r8c5", "solution": "984356217251478369637291548769845132423917856815623794172564983548739621396182475", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3882, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3887, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-07-23", "puzzle": "10,r0c2r0c3|28,r0c4r0c5r1c4r2c4r3c4|24,r0c6r0c7r0c8r1c7|11,r0c0r1c0|7,r0c1r1c1|14,r1c2r1c3|6,r1c5r1c6|24,r2c0r2c1r3c0|4,r2c2r2c3|23,r2c5r2c6r3c5r3c6r3c7|11,r1c8r2c7r2c8|17,r3c1r4c0r4c1r5c1|17,r3c2r4c2r5c2|11,r4c4r4c5|11,r4c6r4c7|16,r3c8r4c8r5c8|15,r3c3r4c3r5c3|11,r5c0r6c0r6c1|14,r6c2r6c3|21,r5c5r5c6r5c7r6c5r6c6|13,r6c7r6c8r7c8|5,r7c0r8c0|15,r7c1r8c1|12,r7c2r7c3|9,r7c5r7c6|4,r8c2r8c3|24,r5c4r6c4r7c4r8c4r8c5|28,r7c7r8c6r8c7r8c8", "solution": "642871935538692471791354628824965713917238564356417289269583147185746392473129856", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3887, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3888, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-23", "puzzle": "28,r0c0r0c1r0c2r1c1r1c2|10,r0c3r0c4|13,r1c3r2c3r2c4|32,r0c5r0c6r1c4r1c5r1c6|13,r0c7r1c7r2c7|3,r0c8r1c8|22,r1c0r2c0r2c1r3c0r3c1|14,r2c5r2c6r3c5|27,r2c2r3c2r3c3r3c4|18,r2c8r3c6r3c7r3c8|7,r4c0r4c1|31,r4c2r4c3r4c4r4c5r4c6|7,r4c7r4c8|17,r5c0r5c1r5c2r6c0|18,r5c4r5c5r5c6r6c6|12,r5c3r6c2r6c3|31,r5c7r5c8r6c7r6c8r7c8|11,r7c0r8c0|14,r6c1r7c1r8c1|18,r7c2r7c3r7c4r8c2r8c3|24,r6c4r6c5r7c5|8,r8c4r8c5|27,r7c6r7c7r8c6r8c7r8c8", "solution": "974826531153749862268153947589372614617984325342561789821697453735418296496235178", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3888, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3890, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-23", "puzzle": 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"15,r0c0r0c1|27,r0c6r0c7r0c8r1c8r2c8|11,r1c0r1c1|11,r0c2r1c2|15,r0c3r0c4r1c3|11,r0c5r1c4r1c5|17,r2c3r2c4|18,r1c6r1c7r2c6r2c7|14,r2c0r3c0r4c0|7,r2c1r3c1|6,r2c2r3c2|31,r2c5r3c4r3c5r3c6r4c4r4c5|10,r3c7r3c8r4c7|8,r3c3r4c3|14,r4c6r5c6|16,r4c1r4c2r5c1|24,r5c2r5c3r6c3|5,r5c4r5c5|17,r4c8r5c7r5c8|3,r5c0r6c0|19,r6c1r6c2r7c1r7c2|13,r6c5r6c6|7,r6c7r6c8|10,r6c4r7c3r7c4|8,r7c5r7c6|17,r7c7r8c7|13,r7c8r8c8|22,r7c0r8c0r8c1|4,r8c2r8c3|12,r8c4r8c5r8c6", "solution": "872563941659471328341892765735689412416235879298714653167928534924357186583146297", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3892, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3893, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-07-24", "puzzle": 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"6,r0c0r0c1r1c0|20,r0c2r1c1r1c2|12,r0c3r1c3|18,r0c4r0c5r1c4|12,r1c5r2c5r3c5|12,r0c6r1c6|13,r0c7r1c7|7,r0c8r1c8|19,r2c0r2c1r2c2|6,r2c3r2c4|13,r2c6r2c7r2c8|17,r3c1r3c2r3c3|6,r3c6r3c7|24,r3c0r4c0r5c0|14,r3c4r4c4|7,r3c8r4c8|5,r4c1r5c1|10,r4c2r4c3r5c2|8,r5c3r5c4|10,r4c5r5c5r6c5|11,r4c6r5c6|21,r4c7r5c7r5c8|16,r6c0r6c1r6c2|17,r6c3r6c4r7c3|10,r6c7r6c8|16,r7c4r7c5r8c4|13,r6c6r7c6r7c7|7,r7c0r8c0|21,r7c1r7c2r8c1|4,r8c2r8c3|16,r8c5r8c6r8c7|14,r7c8r8c8", "solution": "237896541158432796694517382762983154815264973943175268529641837386729415471358629", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3896, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3895, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-07-24", "puzzle": "10,r0c0r0c1r1c0|0,r0c2r0c3|19,r0c4r0c5r0c6|5,r0c7r0c8|0,r1c1r1c2r2c1|15,r1c3r1c4r2c4|3,r1c5r2c5|24,r1c6r1c7r1c8r2c6|5,r2c0r3c0|0,r2c2r2c3r3c2|0,r3c5r3c6|5,r2c7r3c7|9,r2c8r3c8|0,r3c1r4c1r4c2|23,r3c3r3c4r4c3r4c4|19,r4c5r4c6r4c7r4c8|21,r4c0r5c0r6c0|4,r5c1r5c2|27,r5c5r5c6r6c5r6c6|16,r5c7r6c7|8,r5c8r6c8|0,r6c1r6c2r7c1r8c1|0,r5c3r6c3|0,r5c4r6c4r7c4r8c4|0,r7c2r7c3|8,r7c5r7c6|0,r7c0r8c0|6,r8c2r8c3|6,r8c5r8c6|28,r7c7r7c8r8c7r8c8", "solution": "237986514548371962169452738495763821826195347713248695652819473384627159971534286", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3895, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3899, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2011-07-25", "puzzle": 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"5,r0c2r0c3|28,r0c5r0c6r0c7r0c8|20,r0c0r0c1r1c0r1c1|6,r1c2r1c3|5,r0c4r1c4|23,r1c5r1c6r2c5|11,r1c7r1c8r2c8|13,r2c0r3c0|10,r2c1r3c1|31,r2c2r2c3r2c4r3c2r4c2|16,r3c3r3c4r4c3|15,r2c6r2c7r3c5r3c6r3c7|18,r3c8r4c7r4c8|9,r4c0r4c1|42,r4c4r4c5r4c6r5c4r5c5r5c6r6c4r6c5|14,r5c1r5c2r6c1|28,r5c7r6c6r6c7r7c5r7c6|14,r5c8r6c8|24,r5c3r6c2r6c3r7c2r7c3|16,r5c0r6c0r7c0r8c0|20,r7c1r8c1r8c2|13,r7c4r8c3r8c4|5,r8c5r8c6|19,r7c7r7c8r8c7r8c8", "solution": "653218794721549863894736512519872346368194257247365189136487925482953671975621438", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3898, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3897, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-07-25", "puzzle": "31,r0c0r0c1r0c2r0c3r0c4r1c0|11,r1c1r1c2|6,r0c5r1c5|7,r0c6r1c6|11,r0c7r1c7|17,r0c8r1c8r2c8|14,r2c1r2c2|12,r1c3r1c4r2c3r3c3|10,r2c6r2c7|13,r2c0r3c0r3c1|29,r2c4r3c4r4c4r5c4r6c4|17,r2c5r3c5|13,r3c6r3c7r4c7|14,r4c0r5c0|12,r3c2r4c2r4c3|10,r4c5r4c6r5c6|13,r3c8r4c8|10,r4c1r5c1r5c2|11,r5c3r6c3|18,r5c7r5c8r6c8|13,r6c1r6c2|14,r5c5r6c5r7c4r7c5|10,r6c6r6c7|17,r6c0r7c0r8c0|5,r7c1r8c1|10,r7c2r8c2|13,r7c3r8c3|8,r7c6r7c7|36,r7c8r8c4r8c5r8c6r8c7r8c8", "solution": "163945287847621539295378461384169725976253148512784693758432916629817354431596872", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3897, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3900, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-07-25", "puzzle": 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"10,r0c4r0c5|14,r0c6r0c7r0c8|17,r0c0r1c0|11,r0c1r1c1|8,r0c2r1c2|4,r0c3r1c3|14,r1c4r1c5r1c6|13,r1c7r1c8r2c8|7,r2c0r2c1|10,r2c2r2c3|17,r2c5r3c5|11,r2c6r2c7|11,r3c0r3c1|11,r3c2r3c3|8,r2c4r3c4|9,r3c7r3c8|4,r4c0r4c1|11,r4c2r5c2|16,r4c3r4c4r4c5|13,r3c6r4c6|11,r4c7r4c8|15,r5c0r5c1|8,r5c4r6c4|15,r5c5r5c6|3,r5c7r5c8|10,r6c1r6c2|6,r5c3r6c3|5,r6c5r6c6|17,r6c7r6c8|15,r6c0r7c0r7c1|23,r7c2r7c3r7c4|10,r7c5r8c5|4,r7c6r8c6|8,r7c7r8c7|12,r7c8r8c8|11,r8c0r8c1r8c2|13,r8c3r8c4", "solution": "857164293961325748432879651294718536316592874785436912673251489549683127128947365", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3901, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3903, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-07-26", "puzzle": 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"0,r0c4r0c5|11,r0c7r0c8r1c8|0,r0c0r1c0|0,r0c1r1c1|0,r0c2r1c2|0,r0c3r1c3|0,r1c4r1c5r2c4|0,r0c6r1c6r1c7r2c7r2c8|17,r2c0r2c1r2c2|13,r2c5r2c6r3c6|11,r3c1r3c2|12,r2c3r3c3|0,r3c4r3c5r4c5|6,r3c7r4c6r4c7|11,r3c8r4c8|21,r3c0r4c0r5c0r6c0|18,r4c3r4c4r5c3r5c4|14,r4c1r5c1|7,r4c2r5c2|0,r5c5r5c6|17,r5c7r5c8|10,r6c3r6c4|14,r6c5r7c5|8,r6c7r6c8|34,r6c1r6c2r7c0r7c1r7c2r8c0r8c1|7,r7c3r7c4|0,r6c6r7c6r8c6|15,r7c7r7c8|0,r8c2r8c3r8c4r8c5|5,r8c7r8c8", "solution": "347581962185629473629347158238964517796815324451273689874196235512438796963752841", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3904, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3906, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-27", "puzzle": "14,r0c0r0c1r0c2|11,r0c5r0c6|9,r1c1r1c2|7,r0c3r0c4r1c3|18,r0c7r1c6r1c7|21,r0c8r1c8r2c8|15,r1c0r2c0|7,r2c1r2c2|14,r1c4r2c3r2c4|16,r1c5r2c5|3,r2c6r2c7|7,r3c0r3c1|10,r3c2r3c3|20,r3c4r3c5r3c6|3,r3c8r4c8|13,r4c0r4c1|22,r4c2r4c3r4c4|14,r3c7r4c6r4c7|15,r5c2r5c3r5c4|4,r4c5r5c5|18,r5c7r5c8r6c7|3,r5c0r6c0|15,r5c1r6c1|15,r6c4r6c5r7c4|11,r5c6r6c6|8,r6c2r7c2|10,r6c3r7c3|10,r7c5r7c6|17,r6c8r7c7r7c8|15,r7c0r7c1r8c0|18,r8c1r8c2r8c3|14,r8c4r8c5r8c6|8,r8c7r8c8", "solution": "725148369618239754934567128342856971856971432179423586281795643467312895593684217", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3906, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3905, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-07-26", "puzzle": "0,r0c0r0c1r1c0|0,r0c2r1c2r2c2|10,r0c3r1c3|17,r0c4r0c5r1c4r1c5|0,r0c6r1c6|13,r0c7r0c8r1c7|7,r1c1r2c1|0,r2c6r2c7r3c6r3c7|0,r1c8r2c8|0,r2c0r3c0|17,r3c1r3c2r4c1|19,r2c3r2c4r3c3r3c4|9,r2c5r3c5|0,r4c0r5c0|29,r4c2r4c3r4c4r4c5r4c6|0,r3c8r4c8|9,r5c3r6c3|28,r5c4r5c5r6c4r6c5|0,r4c7r5c6r5c7|14,r5c8r6c8|7,r6c0r7c0|0,r5c1r5c2r6c1r6c2|5,r6c7r7c7|16,r7c1r8c0r8c1|14,r7c2r8c2|15,r7c3r7c4r8c3r8c4|10,r7c5r8c5|14,r6c6r7c6r8c6|17,r7c8r8c7r8c8", "solution": "568943271947182653231675498693514782152837946784296315426758139315469827879321564", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3905, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3907, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-07-27", "puzzle": 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"0,r0c3r0c4r0c5|29,r0c6r0c7r0c8r1c7r1c8|7,r0c0r1c0|21,r0c1r0c2r1c1r1c2|12,r1c3r1c4|0,r1c5r1c6r2c6|6,r2c7r2c8|8,r2c0r3c0|17,r2c1r3c1|0,r2c2r2c3r3c2r3c3|20,r2c4r2c5r3c4r3c5|5,r3c6r3c7|16,r4c0r5c0|0,r4c1r4c2|0,r4c3r4c4r4c5|0,r4c6r4c7|9,r3c8r4c8|0,r5c1r5c2|18,r5c3r5c4r6c3r6c4|0,r5c5r5c6r6c5r6c6|0,r5c7r6c7|10,r5c8r6c8|14,r6c0r6c1|20,r6c2r7c2r7c3|11,r7c4r7c5|0,r7c6r7c7r8c6r8c7|8,r7c8r8c8|15,r7c0r7c1r8c0r8c1r8c2|22,r8c3r8c4r8c5", "solution": "174923685628574319395816724586749231732165948941382567869251473257438196413697852", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3909, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3912, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-07-28", "puzzle": "5,r0c0r0c1|19,r0c5r0c6r1c5|5,r0c7r0c8|17,r0c2r1c2|23,r0c3r0c4r1c3r1c4|11,r1c0r1c1r2c0|18,r2c1r2c2r3c2|8,r2c4r3c4|17,r1c6r2c6r3c6|13,r1c7r2c7r3c7|13,r1c8r2c8|13,r3c0r3c1|9,r2c3r3c3|25,r4c0r4c1r4c2r4c3r4c4|7,r4c6r4c7|13,r5c0r5c1|5,r5c3r6c3|27,r2c5r3c5r4c5r5c5r6c5|16,r3c8r4c8r5c8|18,r6c0r7c0r7c1|12,r5c2r6c1r6c2|8,r5c4r6c4|17,r5c6r6c6r7c6|13,r5c7r6c7r7c7|11,r6c8r7c8|7,r7c2r8c2|24,r7c3r7c4r8c3r8c4|9,r8c0r8c1|9,r7c5r8c5r8c6|13,r8c7r8c8", "solution": "239657841618934527457812936946175382723498165581263479174329658892546713365781294", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3912, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3908, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-27", "puzzle": "19,r0c1r0c2r0c3r1c2|13,r0c4r0c5r1c5|14,r0c7r0c8|32,r0c0r1c0r1c1r2c0r2c1r3c0|5,r0c6r1c6|16,r1c4r2c4r3c4|7,r2c5r2c6|19,r1c7r2c7r3c7r4c7|9,r1c8r2c8|26,r1c3r2c2r2c3r3c1r3c2r3c3|20,r3c5r3c6r4c6|17,r4c0r5c0|20,r4c3r4c4r4c5|12,r3c8r4c8|9,r4c2r5c2r5c3|31,r5c5r5c6r5c7r6c5r6c6r7c5|10,r6c0r7c0|19,r4c1r5c1r6c1r7c1|15,r6c2r6c3|12,r5c4r6c4r7c4|7,r7c2r8c2|23,r5c8r6c7r6c8r7c7r7c8r8c8|7,r8c0r8c1|18,r7c3r8c3r8c4|25,r7c6r8c5r8c6r8c7", "solution": "531974268476182395289356174627438519814569723953217486398725641745691832162843957", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3908, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3911, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-07-28", "puzzle": "23,r0c2r0c3r0c4|9,r0c5r0c6|18,r0c7r0c8r1c7|17,r0c0r1c0r2c0|5,r0c1r1c1|8,r1c2r1c3|14,r1c5r1c6|8,r1c8r2c8|10,r2c1r2c2|14,r1c4r2c3r2c4|4,r2c6r2c7|15,r3c0r3c1r4c1|21,r3c2r3c3r4c3|8,r2c5r3c5|17,r3c7r3c8r4c8|4,r4c2r5c2|15,r3c6r4c6|17,r4c0r5c0r5c1|14,r5c3r6c3|7,r3c4r4c4r5c4|21,r4c5r5c5r5c6|9,r4c7r5c7r5c8|8,r6c1r6c2|18,r6c4r6c5r7c4|9,r6c6r6c7|14,r6c0r7c0|6,r7c2r7c3|4,r7c5r7c6|14,r7c7r8c7|14,r6c8r7c8r8c8|17,r7c1r8c0r8c1|5,r8c2r8c3|18,r8c4r8c5r8c6", "solution": "316982745547136892928475136459713628263548917781629453635894271874251369192367584", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3911, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3910, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-27", "puzzle": "13,r0c1r0c2|7,r0c6r0c7|0,r0c0r1c0|15,r0c3r1c3|13,r0c4r1c4|9,r0c5r1c5|0,r0c8r1c8|17,r1c1r2c1r3c1|5,r1c2r2c2|0,r1c6r2c6|0,r1c7r2c7r3c7|22,r2c0r3c0r4c0r4c1|28,r2c3r2c4r2c5r3c2r3c3r3c5r3c6|24,r2c8r3c8r4c7r4c8|13,r4c2r4c3r5c3|15,r3c4r4c4r5c4r6c4|0,r4c5r4c6r5c5|5,r5c0r5c1|0,r5c7r5c8|0,r6c0r6c1|17,r5c2r6c2r6c3|0,r5c6r6c5r6c6|0,r6c7r6c8|15,r7c0r7c1r8c0|0,r7c7r7c8r8c8|24,r7c2r8c1r8c2|25,r7c3r7c4r7c5r8c3r8c4r8c5|0,r7c6r8c6r8c7", "solution": "985743162321896547764521938893657421257418396416239875132965784548372619679184253", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3910, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3913, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-07-28", "puzzle": "10,r0c0r0c1|4,r0c2r0c3|13,r0c5r0c6|13,r1c0r1c1|12,r0c4r1c4|10,r1c5r1c6|22,r0c7r0c8r1c7r1c8|15,r2c0r2c1r3c0|16,r1c2r2c2r3c1r3c2|21,r1c3r2c3r3c3r3c4|13,r2c7r3c7|6,r2c8r3c8|30,r2c4r2c5r2c6r3c5r3c6r4c6|22,r4c2r4c3r4c4r5c4r6c4|3,r4c7r4c8|21,r4c0r4c1r5c0|19,r4c5r5c5r5c6r5c7|15,r5c8r6c8|13,r6c1r6c2r7c2|29,r5c1r5c2r5c3r6c3r7c3|16,r6c5r6c6r6c7r7c5|32,r6c0r7c0r7c1r8c0r8c1r8c2|11,r7c6r8c5r8c6|8,r7c7r8c7|15,r7c8r8c8|16,r7c4r8c3r8c4", "solution": "281374965674259183359618742712586394896743521435921876528437619163892457947165238", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3913, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3914, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-07-28", "puzzle": "10,r0c0r0c1|12,r0c2r0c3r1c3|0,r1c0r1c1r1c2r2c1r2c2|14,r0c4r1c4|9,r0c5r1c5r2c5|35,r0c6r0c7r1c6r1c7r2c7|5,r0c8r1c8|0,r2c3r2c4|0,r2c0r3c0|15,r3c2r3c3r3c4|22,r2c6r3c5r3c6r3c7|9,r2c8r3c8|19,r3c1r4c0r4c1r5c1|12,r4c2r4c3|0,r4c4r4c5r4c6|0,r4c7r4c8|0,r5c0r6c0|0,r5c2r5c3r5c4|0,r5c5r5c6r5c7r6c6|0,r5c8r6c8|9,r6c3r6c4|31,r6c1r6c2r7c0r7c1r7c2|6,r7c4r8c4|21,r6c5r7c5r8c5|19,r6c7r7c6r7c7r8c6r8c7|16,r7c8r8c8|7,r8c0r8c1|11,r7c3r8c2r8c3", "solution": "376184592941562783258973164134298675825736941769451238593817426487625319612349857", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3914, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3915, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-07-28", "puzzle": "0,r0c3r0c4r0c5|34,r0c6r0c7r0c8r1c7r1c8r2c8|0,r0c0r1c0|3,r0c1r1c1|15,r0c2r1c2|12,r1c4r1c5|0,r1c3r2c3r3c3|0,r2c4r2c5|11,r1c6r2c6r2c7|0,r2c0r3c0|27,r2c1r2c2r3c1r3c2|0,r3c4r3c5r4c4r4c5|4,r3c6r4c6|13,r3c7r4c7|8,r4c1r5c1|18,r3c8r4c8r5c8|16,r4c0r5c0|7,r4c2r5c2|0,r4c3r5c3r5c4|15,r5c5r5c6r5c7|0,r6c0r6c1r6c2r7c2r8c2|11,r6c3r6c4|10,r6c7r6c8|23,r7c0r7c1r8c0r8c1|0,r7c3r7c4|17,r6c5r6c6r7c5r7c6|0,r7c7r7c8|0,r8c3r8c4|0,r8c5r8c6|3,r8c7r8c8", "solution": "428916735317548296569273814284369157756124389931785642842651973173492568695837421", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3915, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3916, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-29", "puzzle": 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"19,r0c0r0c1r0c2r0c3|0,r0c5r0c6r0c7r0c8|9,r1c0r1c1|10,r1c2r1c3r2c2|0,r0c4r1c4|16,r1c5r1c6r2c6|15,r1c7r1c8|0,r2c3r2c4r2c5|0,r2c0r2c1r3c0r4c0r4c1r5c1|41,r3c1r3c2r3c3r3c4r3c5r3c6r3c7r4c4|28,r2c7r2c8r3c8r4c7r4c8r5c7|6,r4c2r4c3|14,r4c5r4c6|6,r5c0r6c0|25,r5c2r5c3r6c2r6c3|6,r5c4r6c4|0,r5c5r5c6r6c5r6c6|0,r5c8r6c8|0,r6c1r7c1r7c2r8c1|19,r6c7r7c6r7c7r8c7|10,r7c0r8c0|14,r7c3r8c2r8c3|10,r7c4r8c4|0,r7c5r8c5r8c6|8,r7c8r8c8", "solution": "683295714724183596915764832498657321372418659156329487537942168869571243241836975", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3919, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3920, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-29", "puzzle": "19,r0c0r0c1r1c0r1c1|22,r0c2r0c3r0c4|8,r0c5r1c5|19,r0c6r0c7r1c6r1c7|0,r0c8r1c8|14,r1c2r2c1r2c2|3,r1c3r2c3|15,r1c4r2c4|10,r2c5r2c6|15,r2c7r2c8r3c7|0,r2c0r3c0r4c0|9,r3c1r3c2|29,r3c3r3c4r3c5r4c3r5c3|3,r3c8r4c8|0,r4c1r4c2|14,r3c6r4c6r4c7|8,r5c0r5c1|0,r4c4r4c5r5c4|17,r5c7r5c8|0,r6c0r6c1r7c0r7c1|0,r5c2r6c2|0,r6c3r6c4r7c4|0,r5c5r5c6r6c5r6c6|37,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|0,r8c0r8c1|20,r7c2r7c3r8c2|6,r8c3r8c4|14,r7c5r8c5", "solution": "187965324462183957593274618354892761879651432621437589716329845235748196948516273", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3920, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3921, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-07-30", "puzzle": "6,r0c2r0c3|5,r0c4r0c5|13,r0c6r0c7|15,r0c0r1c0|6,r0c1r1c1|24,r1c2r1c3r1c4|10,r1c5r1c6r1c7|11,r0c8r1c8|4,r2c0r2c1|16,r2c2r3c2|9,r2c3r3c3|11,r2c5r2c6r3c5|17,r2c7r3c7|11,r2c4r3c4|10,r3c6r4c6|6,r2c8r3c8|15,r3c0r4c0|6,r3c1r4c1|18,r4c3r4c4r4c5|4,r4c7r5c7|12,r4c8r5c8|7,r5c0r6c0|6,r4c2r5c2|11,r5c4r6c4|14,r5c1r6c1|18,r5c3r6c2r6c3|13,r5c5r6c5|14,r5c6r6c6|3,r6c7r6c8|7,r7c0r8c0|14,r7c1r7c2r7c3|16,r7c4r7c5r7c6|11,r7c7r8c7|15,r7c8r8c8|13,r8c1r8c2|3,r8c3r8c4|11,r8c5r8c6", "solution": "945132768628974153137658294759361482812549637364827915483796521291485376576213849", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3921, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3923, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-30", "puzzle": "31,r0c1r0c2r0c3r1c1r2c0r2c1|5,r0c5r0c6|13,r0c0r1c0|16,r1c2r1c3|10,r0c4r1c4|18,r0c7r0c8r1c6r1c7r1c8|10,r2c3r2c4|27,r1c5r2c5r2c6r2c7r3c7|25,r2c2r3c2r3c3r3c4r3c5r3c6|16,r2c8r3c8|33,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|22,r4c3r4c4r4c5r4c6|14,r4c7r4c8|28,r5c2r5c3r5c4r5c5r5c6r6c2|13,r5c8r6c8|7,r6c3r6c4|23,r5c7r6c5r6c6r6c7r7c5|11,r7c0r8c0|7,r7c2r7c3|9,r7c4r8c4|24,r7c6r7c7r7c8r8c7r8c8|28,r6c0r6c1r7c1r8c1r8c2r8c3|15,r8c5r8c6", "solution": "549872361867931452132465897278653149351794286694128735916347528485216973723589614", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3923, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3922, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-07-30", "puzzle": "18,r0c7r0c8r1c7r1c8|30,r0c0r0c1r0c2r1c0r2c0|9,r1c1r1c2r2c1|15,r0c3r1c3|7,r0c4r1c4|10,r0c5r0c6r1c5|13,r2c2r2c3|13,r2c4r2c5|19,r1c6r2c6r2c7|11,r3c2r3c3|26,r3c4r3c5r4c4r4c5|6,r3c6r4c6|16,r2c8r3c7r3c8|24,r3c0r3c1r4c0r5c0r6c0|7,r4c2r4c3|7,r4c7r4c8|12,r4c1r5c1|18,r5c2r5c3r6c3|7,r5c4r6c4|11,r5c6r6c6|9,r5c7r5c8|10,r6c1r6c2r7c2|9,r5c5r6c5|14,r6c7r7c6r7c7|18,r7c0r7c1r8c0r8c1|7,r7c3r7c4|31,r7c5r8c2r8c3r8c4r8c5|28,r6c8r7c8r8c6r8c7r8c8", "solution": "894631725751942683236785491317428569682579134549163872925816347463257918178394256", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3922, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3926, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-07-31", "puzzle": "14,r0c0r0c1|12,r0c2r0c3r1c2|13,r0c6r0c7r1c6|16,r1c0r1c1|19,r0c4r1c4r2c4|6,r0c5r1c5|9,r0c8r1c8|3,r2c1r2c2|10,r1c3r2c3|15,r2c5r2c6|15,r1c7r2c7r2c8|8,r2c0r3c0r4c0|12,r3c1r3c2|6,r3c3r3c4|15,r3c5r3c6|14,r4c4r4c5r4c6|6,r3c7r4c7r5c7|17,r3c8r4c8|23,r4c1r5c0r5c1|5,r4c2r5c2|16,r4c3r5c3r6c3|13,r5c4r5c5|10,r5c8r6c8r7c8|13,r6c0r6c1r7c0|5,r6c4r6c5|17,r5c6r6c6r6c7|15,r6c2r7c2|16,r7c3r7c4|9,r7c1r8c0r8c1|14,r8c2r8c3r8c4|10,r7c5r8c5|11,r7c6r8c6|18,r7c7r8c7r8c8", "solution": "864325197975681342321497856157249638482763519693158724719832465536974281248516973", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3926, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3927, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-07-31", "puzzle": "14,r0c4r0c5|16,r0c6r0c7|19,r0c0r0c1r1c0r1c1|17,r0c2r0c3r1c2|7,r1c3r1c4|12,r1c5r1c6r1c7|5,r0c8r1c8|27,r2c1r2c2r2c3r2c4|17,r2c5r2c6r2c7r3c5|4,r2c0r3c0|15,r3c1r3c2|13,r3c6r3c7r4c6|7,r2c8r3c8|11,r4c0r4c1|15,r3c3r4c3|8,r3c4r4c4r5c4|9,r4c5r5c5|12,r4c7r4c8|13,r5c0r6c0|7,r4c2r5c1r5c2|12,r5c6r5c7|9,r5c8r6c8|22,r5c3r6c1r6c2r6c3|24,r6c4r6c5r6c6r6c7|13,r7c0r8c0|9,r7c1r7c2r7c3|15,r7c4r7c5|8,r7c6r8c5r8c6|27,r7c7r7c8r8c7r8c8|10,r8c1r8c2|8,r8c3r8c4", "solution": "245386791769521834138794625387645912652917348914832576476159283523478169891263457", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3927, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3928, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-07-31", "puzzle": "34,r0c1r0c2r0c3r0c4r0c5r0c6r0c7|5,r0c0r1c0|13,r1c1r1c2|5,r1c6r1c7|16,r0c8r1c8|13,r2c1r2c2|30,r1c3r1c4r1c5r2c3r2c4r2c5|12,r2c6r2c7|12,r2c0r3c0r3c1|9,r3c2r3c3|10,r3c5r3c6|15,r2c8r3c7r3c8|9,r4c2r4c3|8,r3c4r4c4|12,r4c5r4c6|21,r5c3r5c4r5c5|21,r4c0r4c1r5c0r6c0|12,r5c1r5c2r6c1|9,r5c6r5c7r6c7|20,r4c7r4c8r5c8r6c8|26,r6c2r7c0r7c1r7c2r8c0r8c1|9,r6c3r7c3|17,r6c4r7c4|6,r6c5r7c5|33,r6c6r7c6r7c7r7c8r8c7r8c8|28,r8c2r8c3r8c4r8c5r8c6", "solution": "493258167185476239276931845914563782368127594527849316732684951651392478849715623", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3928, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3929, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-07-31", "puzzle": "9,r0c0r1c0|0,r0c1r0c2r0c3r1c1r2c1|17,r1c2r1c3r2c2|3,r0c4r1c4|13,r1c5r1c6r2c6|33,r0c5r0c6r0c7r1c7r2c7|6,r0c8r1c8|15,r2c3r2c4r2c5|10,r2c0r3c0|15,r2c8r3c8|0,r3c1r4c1|6,r3c2r4c2|7,r3c3r4c3|0,r3c4r4c4|0,r3c5r4c5|4,r3c6r4c6|0,r3c7r4c7|0,r4c0r5c0r6c0|0,r5c2r5c3r5c4r5c5r5c6|13,r4c8r5c8r6c8|12,r5c1r6c1|21,r6c3r6c4r6c5r7c3r7c5|10,r5c7r6c7|0,r7c0r7c1|0,r6c2r7c2|14,r6c6r7c6|4,r7c7r7c8|4,r8c0r8c1|0,r8c2r8c3|15,r7c4r8c4|0,r8c5r8c6|0,r8c7r8c8", "solution": "427319685596827431183654279934278156862541397751936842275183964648792513319465728", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3929, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3930, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-07-31", "puzzle": "31,r0c0r0c1r0c2r1c0r2c0|30,r0c3r0c4r0c5r1c5r2c5|9,r0c6r0c7|0,r1c1r1c2r2c1|5,r1c3r1c4|22,r1c6r1c7r2c6|0,r0c8r1c8|20,r2c2r2c3r3c2|34,r2c4r3c3r3c4r4c2r4c3r4c4|0,r3c5r3c6|0,r2c7r3c7r4c7|0,r2c8r3c8|0,r3c1r4c1|9,r4c5r4c6|0,r3c0r4c0r5c0r5c1r5c2|0,r5c5r5c6r5c7r6c5r7c5|12,r5c3r6c3|15,r5c4r6c4|6,r6c6r6c7r7c6|12,r4c8r5c8r6c8|9,r6c0r7c0|24,r6c1r6c2r7c1|9,r7c2r7c3r7c4|0,r7c7r7c8r8c7r8c8|4,r8c0r8c1|6,r8c2r8c3|22,r8c4r8c5r8c6", "solution": "971682453623145798845739612138576249769824531254391867587963124496217385312458976", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3930, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3931, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-08-01", "puzzle": 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"12,r0c2r0c3|12,r0c4r0c5|9,r0c0r1c0|11,r0c1r1c1r1c2|5,r1c3r1c4|13,r0c6r1c6|19,r0c7r0c8r1c7r1c8|13,r2c0r2c1|27,r2c2r2c3r3c2r3c3|15,r1c5r2c4r2c5|13,r2c6r2c7r2c8|22,r3c0r3c1r4c0r4c1r4c2|18,r3c4r3c5r4c4|9,r3c6r3c7|11,r3c8r4c8|6,r5c0r5c1|22,r4c3r5c2r5c3r5c4|8,r4c5r5c5|15,r4c6r4c7r5c6|16,r6c0r6c1r7c1|16,r6c2r6c3r7c2r7c3|22,r5c7r5c8r6c7r6c8|8,r6c4r7c4|23,r6c5r6c6r7c5r8c5|11,r7c6r7c7r8c6|16,r7c0r8c0r8c1|19,r8c2r8c3r8c4|14,r7c8r8c7r8c8", "solution": "325784691681239754947651382469518273732496518518372946254167839193825467876943125", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3932, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3933, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-08-01", "puzzle": "10,r0c0r0c1|14,r0c2r0c3r0c4|14,r0c7r0c8|6,r1c0r1c1|14,r1c2r1c3|16,r0c5r0c6r1c5|9,r1c6r1c7|13,r1c4r2c2r2c3r2c4|23,r1c8r2c7r2c8r3c8r4c8|19,r2c0r2c1r3c0|18,r3c1r3c2r4c1r4c2|28,r3c3r3c4r4c4r5c4r5c5|7,r3c6r3c7|16,r4c3r5c3r6c2r6c3|21,r2c5r2c6r3c5r4c5|10,r5c1r5c2|22,r4c6r4c7r5c6r5c7|21,r5c8r6c7r6c8|26,r4c0r5c0r6c0r6c1r7c0|17,r6c4r6c5r6c6r7c4|5,r7c1r7c2|19,r7c3r8c2r8c3|9,r7c5r7c6|13,r7c7r7c8|15,r8c0r8c1|17,r8c4r8c5r8c6|3,r8c7r8c8", "solution": "738426195156839274294517683872195436645783912319264758581672349423951867967348521", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3933, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3934, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-08-01", "puzzle": "17,r0c0r0c1r1c0|7,r0c2r0c3|0,r0c5r0c6|15,r0c7r0c8r1c8|0,r0c4r1c4|23,r1c1r1c2r2c0r2c1r2c2|0,r1c3r2c3|9,r1c5r2c5|23,r1c6r1c7r2c6r2c7r2c8|0,r3c1r3c2|0,r2c4r3c4|15,r3c6r3c7|0,r3c0r4c0r5c0|0,r4c1r4c2r5c1|0,r3c3r4c3|0,r3c5r4c5|19,r4c6r4c7r5c7|8,r3c8r4c8r5c8|0,r4c4r5c4|7,r6c0r6c1|21,r5c2r6c2r7c2|10,r5c3r6c3|0,r5c5r6c5|6,r5c6r6c6r7c6|0,r6c7r6c8|18,r6c4r7c3r7c4r7c5|14,r7c0r8c0|8,r7c1r8c1|27,r8c2r8c3r8c4r8c5r8c6|0,r7c7r8c7|7,r7c8r8c8", "solution": "695234718284791536173568429419623875732845691856917342348159267967382154521476983", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3934, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3935, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-08-01", "puzzle": "8,r0c0r0c1|27,r0c4r0c5r0c6r1c5|10,r0c2r0c3r1c2|13,r0c7r0c8r1c7r1c8|22,r1c0r2c0r3c0|15,r1c1r2c1r2c2|0,r1c3r1c4r2c3r2c4|26,r1c6r2c5r2c6r2c7r3c5r3c6|0,r3c1r3c2|0,r3c3r3c4r4c4r4c5r5c5|27,r2c8r3c7r3c8r4c8|14,r4c0r4c1|0,r4c2r4c3|6,r5c0r5c1|0,r5c2r5c3r6c2r6c3|17,r5c4r6c4|0,r4c6r4c7r5c6r5c7|8,r6c0r6c1|7,r6c5r7c5|0,r5c8r6c7r6c8|20,r7c0r7c1r8c0r8c1|8,r7c2r8c2|3,r7c3r8c3|12,r7c4r8c4|0,r6c6r7c6r7c7|12,r7c8r8c8|0,r8c5r8c6r8c7", "solution": "265438971981567432734921685613845297598712346427396158179683524356274819842159763", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3935, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3937, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-08-02", "puzzle": "12,r0c0r0c1|13,r0c2r0c3r0c4|10,r0c5r0c6|10,r0c7r0c8|15,r1c7r1c8r2c7|33,r1c0r1c1r1c2r1c3r2c0r3c0|25,r2c1r2c2r2c3r3c3|19,r1c4r2c4r3c4|5,r1c5r2c5|11,r1c6r2c6r3c6|16,r2c8r3c7r3c8|4,r3c1r4c1|23,r3c2r4c2r4c3r4c4|10,r3c5r4c5r4c6|13,r4c7r4c8r5c7|11,r4c0r5c0|9,r5c1r5c2|21,r5c3r5c4r6c4r6c5|13,r5c5r5c6|14,r6c0r6c1r6c2|11,r6c6r6c7|15,r5c8r6c8|15,r7c1r7c2|11,r6c3r7c3r7c4|12,r7c5r7c6|11,r7c0r8c0|5,r8c1r8c2|7,r8c3r8c4|15,r8c5r8c6|16,r7c7r7c8r8c7r8c8", "solution": "482561973751943286369782415816374592937825164245196738194238657678459321523617849", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3937, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3936, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-08-02", "puzzle": "16,r0c3r0c4r1c3|12,r0c5r0c6|7,r0c7r0c8|5,r0c0r1c0|16,r0c1r1c1|5,r0c2r1c2|14,r1c5r1c6|12,r1c7r1c8|9,r2c2r2c3|7,r1c4r2c4|12,r2c5r2c6r2c7|13,r2c8r3c8|10,r2c0r3c0r4c0|8,r2c1r3c1|12,r3c2r3c3|19,r3c4r3c5r3c6|18,r4c1r4c2r4c3|16,r3c7r4c7|24,r5c0r5c1r5c2|7,r4c4r4c5r5c5|15,r4c6r5c6r5c7|9,r4c8r5c8r6c8|9,r6c0r6c1|9,r5c3r6c2r6c3|13,r5c4r6c4|17,r6c6r6c7|12,r7c0r7c1|14,r7c2r7c3|6,r6c5r7c4r7c5|7,r7c6r7c7|13,r8c0r8c1r8c2|17,r8c3r8c4|10,r8c5r8c6|12,r7c8r8c7r8c8", "solution": "394285716271639548568147329123958674456712893987364251632471985849523167715896432", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3936, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3938, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-08-02", "puzzle": "7,r0c1r0c2|24,r0c3r0c4r0c5|7,r0c6r0c7|20,r0c0r1c0r1c1|18,r1c2r1c3r1c4r1c5r1c6|14,r0c8r1c7r1c8|28,r2c0r2c1r3c0r3c1r3c2r3c3|23,r2c2r2c3r2c4r2c5r2c6|38,r2c7r2c8r3c5r3c6r3c7r3c8|3,r3c4r4c4|4,r4c2r4c3|14,r4c5r4c6|11,r4c0r5c0|17,r4c1r5c1r5c2|11,r4c7r5c6r5c7|9,r4c8r5c8|13,r6c0r6c1|17,r5c3r6c2r6c3|13,r5c4r6c4|12,r5c5r6c5r6c6|12,r6c7r6c8|6,r7c1r7c2|12,r7c6r7c7|8,r7c0r8c0|15,r8c1r8c2|8,r7c3r8c3|14,r7c4r8c4|7,r7c5r8c5|9,r8c6r8c7|11,r7c8r8c8", "solution": "352987614896541273174236895529418736761325948438679521943862157615793482287154369", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3938, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3940, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-08-02", "puzzle": "24,r0c0r0c1r1c0r1c1|0,r0c2r0c3|0,r0c4r0c5r0c6r1c6|0,r0c7r0c8r1c7|0,r1c2r1c3|0,r1c4r1c5|0,r2c0r2c1r2c2r3c2|6,r1c8r2c8|14,r2c3r3c3|9,r2c4r3c4|10,r2c5r3c5r4c5|0,r2c6r3c6|7,r2c7r3c7|0,r3c0r3c1r4c0r5c0|24,r3c8r4c7r4c8|0,r4c1r5c1|23,r4c2r4c3r4c4r5c2|7,r5c3r5c4|9,r4c6r5c6|17,r5c5r6c5|3,r5c7r6c7|8,r5c8r6c8|39,r6c0r6c1r6c2r6c3r7c0r7c3r8c0|0,r7c1r7c2|13,r6c4r7c4r7c5|10,r6c6r7c6r7c7|19,r8c1r8c2r8c3r8c4|17,r8c5r8c6r8c7|12,r7c8r8c8", "solution": "381957264495326871267814935923681547146275398758439612539748126872163459614592783", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3940, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3942, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-08-03", "puzzle": "9,r0c0r0c1|11,r0c5r0c6|9,r0c7r0c8|9,r0c2r1c2r2c2|15,r0c3r1c3|7,r0c4r1c4|11,r1c5r1c6|6,r1c7r1c8|27,r1c0r1c1r2c0r2c1|15,r2c3r2c4r3c4|25,r2c5r2c6r3c5r3c6r3c7|12,r2c7r2c8|14,r3c2r3c3|11,r3c0r4c0r5c0|21,r3c1r4c1r4c2r5c1|7,r4c3r4c4|14,r4c5r4c6r4c7|17,r3c8r4c8r5c8|14,r5c2r5c3|22,r6c0r6c1r7c0r7c1|15,r5c4r6c3r6c4|22,r5c5r5c6r5c7r6c5r6c6|6,r6c7r6c8|14,r6c2r7c2r8c2|6,r7c3r8c3|10,r7c4r8c4|4,r7c5r7c6|13,r7c7r7c8|9,r8c0r8c1|14,r8c5r8c6|16,r8c7r8c8", "solution": "814759263963824751752163948135982476679345812428617539387596124296471385541238697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3942, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3943, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-08-03", "puzzle": "20,r0c0r0c1r1c0r1c1|17,r0c2r0c3|4,r0c4r0c5|9,r0c6r0c7|18,r1c6r1c7r2c6|6,r0c8r1c8|11,r1c2r2c1r2c2|11,r1c3r2c3|9,r1c4r2c4|13,r1c5r2c5|12,r2c7r2c8|8,r2c0r3c0|10,r3c1r3c2|14,r3c5r3c6r4c6r4c7|13,r3c7r3c8|9,r4c1r4c2|17,r3c3r3c4r4c3|17,r4c4r4c5r5c4|21,r4c8r5c8r6c8|8,r4c0r5c0|15,r5c1r5c2|24,r5c3r6c3r6c4r7c4|23,r5c5r5c6r5c7r6c5r7c5|17,r6c6r6c7r7c6|8,r6c0r7c0|12,r6c1r6c2r7c1|19,r7c7r7c8r8c7r8c8|16,r8c0r8c1|9,r7c2r8c2|5,r7c3r8c3|10,r8c4r8c5r8c6", "solution": "469813275823579641517624893382195467154786329796432158235968714641357982978241536", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3943, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3941, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-08-03", "puzzle": "15,r0c0r0c1r1c0|10,r0c3r0c4|7,r0c6r0c7r1c7|15,r0c2r1c1r1c2|10,r0c5r1c5|17,r0c8r1c8|15,r2c0r2c1r2c2|7,r1c3r2c3|17,r1c4r2c4|14,r1c6r2c6r2c7|12,r3c3r4c3r5c3|6,r2c5r3c4r3c5|17,r3c6r3c7|13,r2c8r3c8|10,r3c0r4c0r5c0|19,r3c1r4c1r5c1|16,r3c2r4c2r5c2|16,r4c4r4c5r4c6|9,r4c7r4c8|22,r5c4r5c5r6c5|5,r5c6r5c7|9,r5c8r6c8|11,r6c0r6c1r6c2|17,r6c3r7c3|4,r6c4r7c4|21,r6c6r6c7r7c6|13,r7c1r7c2r8c2|7,r7c5r8c5|4,r7c8r8c8|21,r7c0r8c0r8c1|10,r8c3r8c4|16,r7c7r8c6r8c7", "solution": "815376429637294518492581637754123896169458372283769145326817954548932761971645283", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3941, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3944, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-08-03", "puzzle": "0,r0c0r0c1r1c0r1c1|0,r0c5r0c6|18,r0c2r0c3r1c2|0,r0c4r1c3r1c4|11,r1c5r1c6|6,r0c7r0c8r1c7|9,r2c0r2c1r3c0|13,r2c2r2c3r3c2r3c3|0,r2c4r2c5r3c4|0,r2c6r2c7|10,r1c8r2c8|0,r3c7r3c8r4c8|17,r3c1r4c0r4c1|34,r3c5r4c4r4c5r5c3r5c4|0,r3c6r4c6r4c7r5c7|0,r4c2r4c3r5c2|26,r5c5r5c6r6c5r6c6r6c7r7c6|16,r5c0r6c0|3,r5c1r6c1|20,r6c3r6c4r7c4r7c5|11,r5c8r6c8|0,r7c0r7c1r8c0|9,r6c2r7c2|20,r7c7r7c8r8c7r8c8|17,r8c1r8c2|13,r7c3r8c3r8c4|8,r8c5r8c6", "solution": "678942531491753826532186974157324689843569217926871453714295368365418792289637145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3944, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3945, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-08-03", "puzzle": 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"19,r0c3r0c4r0c5|24,r0c6r0c7r0c8r1c8r2c8|9,r0c0r1c0|11,r0c1r1c1|11,r0c2r1c2|15,r1c3r1c4r2c4|21,r1c6r1c7r2c6r2c7|14,r2c0r2c1r2c2|4,r1c5r2c5|12,r3c0r4c0|10,r3c1r3c2|9,r2c3r3c3|21,r3c4r3c5r4c4r4c5|6,r3c6r3c7|8,r4c2r4c3|15,r4c6r4c7r5c7|21,r3c8r4c8r5c8|17,r4c1r5c0r5c1|12,r5c2r5c3r6c3|9,r5c4r6c4|11,r5c5r5c6|30,r6c0r6c1r6c2r7c1r7c2r8c2|14,r6c5r7c5|10,r6c7r6c8|12,r7c3r7c4r8c3|15,r6c6r7c6r8c6|12,r7c7r7c8|15,r7c0r8c0r8c1|10,r8c4r8c5|8,r8c7r8c8", "solution": "349856172672941835158723469837294516465317928291568347784635291523179684916482753", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3967, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3966, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-08-08", "puzzle": 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"17,r0c0r0c1r0c2|16,r0c3r0c4r0c5|11,r0c6r0c7|7,r1c0r1c1r1c2|10,r1c3r1c4|14,r1c5r2c5|17,r1c6r1c7|7,r0c8r1c8|11,r2c2r2c3|7,r2c6r2c7|15,r2c0r2c1r3c0|5,r2c4r3c4|11,r3c5r3c6|14,r2c8r3c8r4c8|20,r3c1r4c1r5c1|10,r3c2r3c3r4c2|15,r4c3r4c4r4c5|16,r4c6r5c5r5c6|14,r3c7r4c7r5c7|18,r4c0r5c0r6c0|13,r5c2r5c3|12,r5c4r6c4|17,r5c8r6c7r6c8|7,r6c1r6c2|10,r6c5r6c6|13,r7c0r8c0|13,r7c1r7c2|9,r6c3r7c3|6,r7c4r7c5|9,r7c6r7c7r7c8|9,r8c1r8c2|15,r8c3r8c4r8c5|17,r8c6r8c7r8c8", "solution": "539268741241375896687419523163542987792681354854937612325196478976824135418753269", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3971, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3972, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-08-09", "puzzle": 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"0,r0c0r0c1|12,r0c3r0c4r0c5|14,r0c7r0c8|0,r1c0r1c1|0,r0c2r1c2|0,r1c3r1c4r1c5r2c4|7,r0c6r1c6|13,r1c7r1c8|0,r2c1r2c2|4,r2c6r2c7|6,r2c0r3c0|18,r2c3r3c2r3c3|21,r2c5r3c5r3c6|9,r2c8r3c8|0,r3c1r4c0r4c1|19,r4c2r4c3r5c2|0,r3c4r4c4r5c4|11,r4c5r4c6r5c6|15,r3c7r4c7r4c8|0,r5c0r5c1r6c0|0,r5c7r5c8r6c8|17,r6c1r6c2|0,r5c3r6c3|0,r5c5r6c5|0,r6c6r6c7|22,r7c0r7c1r7c2r7c3|0,r6c4r7c4r8c4|22,r7c5r7c6r7c7r7c8|8,r8c0r8c1|4,r8c2r8c3|16,r8c5r8c6|12,r8c7r8c8", "solution": "914723568736185249582496317149567832823941675657832491398274156475618923261359784", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3979, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3984, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-08-11", "puzzle": "16,r0c4r0c5|15,r0c7r0c8r1c8|0,r0c0r1c0r2c0r2c1|14,r0c1r1c1|5,r0c2r1c2|3,r0c3r1c3|14,r1c4r1c5|21,r0c6r1c6r1c7r2c7r2c8|0,r3c0r3c1r4c0|0,r2c2r3c2|12,r2c3r3c3|10,r2c4r3c4|15,r2c5r2c6r3c5r3c6|7,r3c7r4c7|17,r3c8r4c8|10,r4c5r4c6|19,r4c1r5c0r5c1|25,r4c2r4c3r4c4r5c4r6c4|6,r5c5r5c6|13,r5c7r5c8|0,r5c2r5c3r6c2r6c3|0,r6c5r6c6|0,r6c7r6c8|0,r7c3r7c4r8c3|0,r7c5r8c4r8c5|0,r7c7r7c8|36,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|19,r7c6r8c6r8c7r8c8", "solution": "351279864794186325268543917935762148176458239842391576529617483417835692683924751", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3984, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3986, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-08-12", "puzzle": "11,r0c1r0c2r1c1|12,r0c0r1c0|15,r0c3r0c4r1c3|7,r0c5r1c5|17,r0c6r1c6|12,r0c7r0c8r1c7|13,r1c2r2c2|11,r1c4r2c4|20,r2c5r2c6r2c7|4,r1c8r2c8|14,r2c0r3c0|12,r2c1r3c1|7,r2c3r3c3r3c4|11,r3c5r3c6|5,r4c0r5c0|11,r4c1r5c1|5,r3c2r4c2|19,r4c3r4c4r4c5|4,r4c6r5c6|14,r3c7r4c7|12,r3c8r4c8|15,r5c2r5c3|10,r5c4r5c5r6c5|16,r5c7r6c7|6,r5c8r6c8|11,r6c0r7c0|14,r6c1r6c2r6c3|7,r6c4r7c4|11,r6c6r7c6|14,r7c1r8c0r8c1|7,r7c2r8c2|13,r7c3r8c3|22,r7c5r8c4r8c5|17,r7c8r8c8|6,r7c7r8c6r8c7", "solution": "528371946714596823639428751893217465152964387467853192985132674271649538346785219", "extra": "{\"grid_size\": 9, \"puzzle_number\": 3986, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 3987, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-08-12", "puzzle": 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"15,r0c1r0c2r0c3|0,r0c4r0c5r0c6r1c5|9,r0c0r1c0|11,r1c3r1c4|33,r0c7r0c8r1c6r1c7r1c8r2c6r2c7|17,r1c1r2c0r2c1|13,r1c2r2c2|4,r2c3r2c4|15,r3c1r3c2|11,r3c3r3c4|7,r2c5r3c5r3c6|18,r2c8r3c7r3c8r4c8|0,r3c0r4c0|0,r4c5r5c5|9,r4c6r5c6|0,r4c7r5c7|20,r4c1r5c1r6c1|0,r4c2r5c2r6c2r6c3r6c4|24,r4c3r4c4r5c3r5c4|9,r5c0r6c0|10,r6c5r7c5|6,r6c6r6c7|0,r5c8r6c8r7c8|0,r7c2r7c3r7c4|0,r7c6r7c7r8c6|0,r7c0r7c1r8c0r8c1|4,r8c2r8c3|11,r8c4r8c5|0,r8c7r8c8", "solution": "342956718615748932978312465569834127287691354134275689891567243726483591453129876", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4025, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4026, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-08-20", "puzzle": 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"12,r0c7r0c8|21,r0c0r1c0r2c0r2c1|13,r0c1r1c1|7,r0c2r1c2|7,r0c3r1c3|17,r0c4r1c4|6,r0c5r1c5|19,r0c6r1c6r1c7|8,r2c3r2c4|8,r2c5r2c6|10,r1c8r2c8r3c8|6,r3c0r3c1|10,r2c2r3c2|45,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4r5c5|19,r2c7r3c6r3c7r4c6|5,r4c0r4c1|9,r4c7r4c8|23,r4c2r5c1r5c2r6c1|13,r5c6r6c6|15,r5c7r5c8|20,r5c0r6c0r7c0|7,r6c2r6c3|13,r6c4r6c5|16,r7c1r7c2r8c2|10,r7c3r8c3|6,r7c4r8c4|12,r7c5r8c5|8,r7c6r8c6|7,r7c7r8c7|22,r6c7r6c8r7c8r8c8|11,r8c0r8c1", "solution": "175692384362184975894537162516948723239765418748321596923476851481259637657813249", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4027, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4029, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-08-20", "puzzle": 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"45,r0c0r0c1r0c2r0c3r0c4r0c5r0c6r0c7r0c8|8,r1c1r1c2|15,r1c6r1c7|10,r1c0r2c0|21,r1c3r2c3r3c3|6,r1c4r2c4|12,r1c5r2c5r3c5|15,r1c8r2c8|9,r2c1r3c1|7,r2c2r3c2|13,r3c4r4c4|7,r2c6r3c6|11,r2c7r3c7|6,r3c0r4c0|17,r4c1r4c2|8,r4c6r4c7|8,r3c8r4c8|13,r5c0r5c1|5,r4c3r5c3|9,r4c5r5c5|10,r5c7r5c8|11,r6c0r6c1|14,r5c2r6c2|19,r5c4r6c3r6c4r6c5|11,r5c6r6c6|5,r6c7r6c8|15,r7c0r7c1r8c0|25,r7c2r7c3r7c4r7c5r7c6|18,r7c7r7c8r8c8|8,r8c1r8c2|9,r8c3r8c4r8c5|15,r8c6r8c7", "solution": "357896124126543879984721356213978465498265713765314982839657241642189537571432698", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4032, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4031, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-08-21", "puzzle": 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"25,r0c0r0c1r0c2r0c3|10,r1c1r1c2|15,r0c4r1c3r1c4r2c4|34,r0c7r0c8r1c6r1c7r1c8r2c6r2c7|11,r1c0r2c0|8,r2c1r2c2|11,r3c0r3c1|17,r2c3r3c2r3c3|45,r0c5r0c6r1c5r2c5r2c8r3c5r3c6r3c7r3c8|18,r4c0r4c1r5c1|13,r3c4r4c4r4c5|26,r4c6r4c7r4c8r5c7|21,r4c2r4c3r5c3r5c4r6c4|20,r5c5r5c6r6c5|24,r5c8r6c8r7c8r8c8|11,r5c0r6c0r6c1|11,r5c2r6c2r6c3|3,r6c6r7c6|10,r6c7r7c7|20,r7c0r7c1r8c0r8c1|18,r7c3r7c4r8c4|4,r7c5r8c5|18,r7c2r8c2r8c3|12,r8c6r8c7", "solution": "538914627246537891971268435657849312194372586382156974713685249425793168869421753", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4033, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4034, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-08-21", "puzzle": "0,r0c0r0c1|7,r0c3r0c4|9,r0c5r0c6|0,r0c2r1c2r1c3|0,r0c7r1c7|0,r0c8r1c8|13,r1c0r1c1r2c0r2c1|0,r2c2r2c3r3c3|0,r1c4r1c5r1c6r2c4r3c4|9,r2c7r2c8|10,r2c5r3c5|12,r2c6r3c6|0,r3c7r3c8r4c7r5c7|0,r3c0r4c0|0,r3c1r4c1|0,r3c2r4c2|0,r4c4r4c5r4c6r5c4|16,r4c3r5c2r5c3|7,r5c5r5c6|9,r4c8r5c8|13,r5c0r6c0|11,r5c1r6c1r6c2|0,r6c4r6c5|17,r7c1r7c2|3,r6c3r7c3|15,r7c4r7c5r8c5|12,r6c6r7c6|7,r6c7r7c7|0,r6c8r7c8|0,r7c0r8c0|8,r8c1r8c2|16,r8c3r8c4|16,r8c6r8c7r8c8", "solution": "297348156316527498548619327825461973974832615631795284762183549489256731153974862", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4034, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4035, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-08-21", "puzzle": "22,r0c2r0c3r0c4|23,r0c5r0c6r1c5r1c6|21,r0c0r0c1r1c0r1c1|7,r1c2r1c3|10,r0c7r1c7|6,r0c8r1c8|23,r2c2r2c3r3c2r3c3|0,r1c4r2c4|0,r2c5r2c6|15,r2c0r3c0r4c0|10,r2c1r3c1|35,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|9,r2c7r3c7|14,r2c8r3c8|0,r4c1r4c2|0,r3c6r4c6|16,r5c5r5c6r6c5|0,r4c7r5c7|0,r4c8r5c8|19,r5c0r5c1r6c0r6c1|0,r5c2r6c2|0,r6c3r6c4|26,r6c6r6c7r7c6r7c7|5,r7c0r7c1|10,r7c2r7c3|12,r7c4r7c5|0,r6c8r7c8r8c6r8c7r8c8|0,r8c0r8c1|3,r8c2r8c3|14,r8c4r8c5", "solution": "369852714574316892182947365625784139843591627917623458458139276236475981791268543", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4035, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4036, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-08-22", "puzzle": "7,r0c2r0c3|15,r0c4r0c5|18,r0c6r0c7r0c8|8,r0c0r1c0|7,r0c1r1c1|13,r1c4r1c5|10,r1c7r1c8r2c7|11,r2c0r2c1|23,r1c2r1c3r2c2|3,r2c3r2c4|13,r1c6r2c6|22,r3c0r3c1r4c0|7,r3c2r3c3|6,r2c5r3c4r3c5|11,r2c8r3c8|9,r4c1r5c1|12,r4c4r5c4|16,r3c6r3c7r4c6|7,r4c2r5c2|17,r4c3r5c3|10,r4c5r5c5|9,r4c7r5c7|14,r4c8r5c8r6c8|8,r5c0r6c0r6c1|12,r6c2r6c3|17,r6c4r6c5|4,r5c6r6c6|4,r7c3r7c4|15,r6c7r7c7|8,r7c0r8c0|24,r7c1r7c2r8c1|7,r8c2r8c3|13,r7c5r8c4r8c5|11,r7c6r8c6|14,r7c8r8c7r8c8", "solution": "142587936738649521569213874954321687871956243326874159415798362687132495293465718", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4036, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4037, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-08-22", "puzzle": "12,r0c0r0c1|5,r0c2r0c3|10,r0c5r0c6|9,r0c7r0c8|10,r1c0r1c1|16,r1c2r1c3r2c3|18,r0c4r1c4r2c4|13,r1c5r1c6r2c5|15,r1c7r1c8|5,r2c1r2c2|5,r2c6r2c7|11,r2c0r3c0|10,r3c1r3c2|21,r3c3r3c4r3c5r4c4|13,r3c6r3c7|13,r2c8r3c8|9,r4c2r4c3|12,r4c5r4c6|13,r4c0r5c0|11,r4c1r5c1|9,r5c2r5c3|12,r5c5r5c6|5,r4c7r5c7|6,r4c8r5c8|20,r5c4r6c3r6c4r6c5|13,r6c0r7c0|7,r6c1r7c1|22,r6c2r7c2r8c2|11,r6c6r7c6r8c6|9,r6c7r7c7|10,r6c8r7c8|3,r8c0r8c1|10,r7c3r8c3|10,r7c4r8c4|12,r7c5r8c5|15,r8c7r8c8", "solution": "574198263196342587823756419382519674957264831461873925648931752739625148215487396", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4037, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4038, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-08-22", "puzzle": "27,r0c2r0c3r0c4r0c5r0c6|11,r0c0r0c1r1c0|9,r1c1r1c2|16,r1c3r1c4r1c5r2c4|10,r1c6r1c7|21,r0c7r0c8r1c8|14,r2c1r2c2r3c2|12,r2c6r2c7r3c6|21,r2c0r3c0r3c1|11,r2c3r3c3|3,r2c5r3c5|20,r2c8r3c7r3c8|8,r4c0r4c1|8,r4c2r4c3|12,r3c4r4c4|17,r4c5r4c6|5,r4c7r4c8|45,r5c0r5c1r5c2r5c3r5c4r5c5r5c6r5c7r5c8|20,r6c1r6c2r6c3|16,r6c5r6c6r6c7|12,r7c2r7c3|7,r6c4r7c4|16,r7c5r7c6|21,r6c0r7c0r7c1r8c0r8c1|24,r8c2r8c3r8c4r8c5r8c6|19,r6c8r7c7r7c8r8c7r8c8", "solution": "213596478854723196976841235481352769532679814769184523647915382328467951195238647", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4038, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4039, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-08-22", "puzzle": "0,r0c2r0c3r0c4|9,r0c5r0c6|8,r0c7r0c8r1c8|0,r0c0r0c1r1c0|22,r1c1r1c2r2c1r2c2|9,r1c3r2c3|0,r1c4r1c5r1c6r1c7r2c4|0,r2c0r3c0r4c0|11,r3c1r3c2|0,r2c5r2c6r3c6|0,r2c7r3c7|0,r2c8r3c8|25,r4c1r4c2r5c1r6c1r7c1|0,r3c3r3c4r3c5r4c3r4c4r5c3|12,r4c7r4c8|0,r4c5r5c4r5c5|10,r4c6r5c6|8,r5c0r6c0|0,r5c2r6c2r6c3|0,r6c4r6c5|30,r5c7r6c6r6c7r7c5r7c6r7c7|16,r5c8r6c8|16,r7c2r7c3|22,r7c0r8c0r8c1|7,r8c2r8c3|10,r7c4r8c4|11,r8c5r8c6|6,r7c8r8c7r8c8", "solution": "418796325365824791729135684183479256976352148254618937641283579537941862892567413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4039, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4040, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-08-22", "puzzle": "0,r0c0r0c1r1c1|5,r0c2r0c3|16,r0c4r0c5r1c5r2c5|11,r0c6r0c7|17,r1c2r1c3|5,r1c6r1c7|18,r0c8r1c8r2c8|13,r1c0r2c0|15,r1c4r2c4|0,r2c6r2c7r3c7|11,r2c2r3c2|0,r2c3r3c3|0,r3c4r3c5r3c6|13,r4c2r4c3r4c4|0,r4c5r4c6r4c7|0,r3c8r4c8r5c8|37,r2c1r3c0r3c1r4c0r4c1r5c0r5c1r6c1|9,r5c2r6c2|8,r5c3r6c3|21,r5c4r5c5r5c6|17,r6c0r7c0|13,r6c4r7c4|0,r5c7r6c6r6c7|0,r7c2r7c3|0,r7c6r7c7|0,r6c8r7c8r8c8|0,r7c1r8c0r8c1|0,r8c2r8c3|0,r6c5r7c5r8c4r8c5|17,r8c6r8c7", "solution": "281437569749865231653291748398526417176349852425178693964783125812954376537612984", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4040, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4041, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-08-23", "puzzle": "14,r0c1r0c2|7,r0c4r0c5r0c6|13,r0c0r1c0|6,r1c1r1c2r2c1|17,r0c3r1c3|12,r1c4r1c5|12,r1c6r1c7|10,r0c7r0c8r1c8|18,r2c2r3c1r3c2|5,r2c3r2c4|15,r2c5r2c6|13,r2c7r2c8r3c7|12,r2c0r3c0|5,r3c5r3c6|17,r3c8r4c8|8,r4c1r4c2|11,r3c3r4c3|24,r3c4r4c4r5c4|7,r4c5r5c5|6,r4c6r4c7|8,r4c0r5c0|3,r5c2r5c3|8,r5c8r6c8|14,r5c1r6c0r6c1|12,r6c2r6c3|12,r6c4r6c5|18,r5c6r5c7r6c6|17,r7c0r8c0r8c1|11,r7c1r7c2|10,r7c3r7c4|13,r7c5r8c5|18,r6c7r7c6r7c7|11,r7c8r8c8|10,r8c2r8c3r8c4|8,r8c6r8c7", "solution": "759841263623957841814326975486572319571693428392184756145739682238465197967218534", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4041, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4042, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-08-23", "puzzle": 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"16,r0c0r0c1|0,r0c5r0c6|0,r0c2r1c2|0,r0c3r1c3r2c3r2c4|0,r0c4r1c4|0,r1c5r1c6|0,r0c7r0c8r1c7|13,r1c0r2c0|3,r1c1r2c1|0,r2c5r2c6r2c7|0,r1c8r2c8|10,r3c0r3c1|0,r2c2r3c2r3c3|13,r3c5r3c6|19,r4c0r4c1r5c0r5c1|7,r4c2r4c3|0,r3c4r4c4r5c4|9,r4c5r4c6|0,r3c7r3c8r4c7r4c8|0,r5c2r5c3|18,r5c5r5c6r6c6|0,r5c7r5c8|13,r6c0r7c0|18,r6c1r6c2r6c3|0,r6c7r7c7|0,r6c8r7c8|0,r7c1r8c0r8c1|10,r7c2r7c3|7,r7c4r8c4|0,r6c4r6c5r7c5r8c5|13,r7c6r8c6|0,r8c2r8c3|11,r8c7r8c8", "solution": "973561284826394157514278369467915823391682745258437691689143572732859416145726938", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4045, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4046, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-08-24", "puzzle": "4,r0c3r1c3|13,r0c4r0c5|7,r0c6r0c7|14,r0c0r1c0r2c0|17,r0c1r1c1|9,r0c2r1c2|6,r1c5r1c6|5,r0c8r1c8|10,r2c1r2c2r3c1|19,r1c4r2c4r3c4|24,r1c7r2c7r2c8|15,r2c3r3c3|10,r2c5r3c5|12,r2c6r3c6|3,r3c7r3c8|7,r3c0r4c0|21,r3c2r4c1r4c2|8,r4c3r4c4r4c5|16,r4c6r4c7r5c6|14,r4c8r5c8|10,r5c0r5c1|8,r5c2r6c2|15,r5c3r6c3|10,r5c5r6c5|15,r6c0r6c1r7c1|15,r5c4r6c4r7c4|8,r5c7r6c6r6c7|7,r7c0r8c0|3,r7c2r7c3|14,r7c6r8c6|10,r7c7r8c7|18,r6c8r7c8r8c8|16,r8c1r8c2|5,r8c3r8c4|17,r7c5r8c5", "solution": "794385162685172493123694587458936721367521948912847356846753219531269874279418635", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4046, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4047, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-08-24", "puzzle": "20,r0c0r0c1r1c0|8,r0c6r0c7|35,r0c2r0c3r0c4r0c5r1c1r1c2r1c3|16,r1c4r1c5r1c6|8,r0c8r1c8|13,r2c2r2c3|5,r2c4r2c5|16,r1c7r2c7r2c8|6,r2c0r3c0|10,r2c1r3c1|13,r3c2r3c3|7,r3c4r3c5|16,r2c6r3c6|18,r3c8r4c8r5c8|5,r4c0r4c1|21,r4c2r4c3r4c4r4c5|17,r3c7r4c6r4c7|26,r5c0r5c1r5c2r6c1|22,r5c3r5c4r6c2r6c3|7,r5c5r5c6r6c5|26,r5c7r6c6r6c7r6c8r7c7r7c8|14,r6c0r7c0r8c0|3,r7c1r7c2|16,r6c4r7c4|28,r7c5r7c6r8c5r8c6r8c7r8c8|11,r8c1r8c2|18,r7c3r8c3r8c4", "solution": "935148627862957431417632958298516743143729586756384219589271364621493875374865192", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4047, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4048, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-08-24", "puzzle": 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"13,r0c1r0c2r0c3|0,r0c4r0c5r0c6|0,r0c7r0c8r1c7r2c7|23,r0c0r1c0r2c0|0,r1c1r1c2r2c2r2c3|17,r1c3r1c4|0,r1c5r2c5|11,r1c6r2c6|12,r1c8r2c8r3c8|7,r2c1r3c1|22,r3c3r4c3r4c4r4c5r5c5|0,r2c4r3c4|0,r3c5r3c6|3,r3c0r4c0|0,r4c1r5c1|17,r3c2r4c2|11,r4c6r5c6|9,r3c7r4c7|15,r4c8r5c8|0,r5c2r5c3|15,r5c4r6c4|13,r5c7r6c7|16,r5c0r6c0r7c0|3,r6c2r7c2|11,r6c3r7c3|0,r7c4r7c5|23,r6c5r6c6r7c6r7c7|0,r6c8r7c8r8c8|24,r6c1r7c1r8c0r8c1|0,r8c2r8c3r8c4|21,r8c5r8c6r8c7", "solution": "825634179674981325913572846269758431158423967437196258541369782792845613386217594", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4049, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4050, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-08-24", "puzzle": 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"12,r0c0r0c1r0c2|17,r0c3r0c4|6,r0c5r0c6|25,r1c1r1c2r1c3r1c4|7,r1c6r1c7|11,r2c1r2c2r2c3|8,r1c5r2c4r2c5|19,r0c7r0c8r1c8r2c8|27,r1c0r2c0r3c0r3c1|9,r3c2r3c3r4c3|31,r3c4r3c5r3c6r4c4r4c5r4c6|31,r2c6r2c7r3c7r3c8r4c7|10,r4c0r5c0|22,r4c1r4c2r5c1r5c2|19,r5c5r5c6r5c7r6c6|11,r4c8r5c8|6,r6c0r6c1|18,r5c3r5c4r6c3|16,r6c4r6c5|10,r6c2r7c2|16,r7c4r7c5r7c6|32,r6c7r6c8r7c7r7c8r8c6r8c7r8c8|14,r7c0r8c0|9,r7c1r8c1|13,r7c3r8c2r8c3|6,r8c4r8c5", "solution": "165982473839764251724531968391247685472658139658193742243879516517326894986415327", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4052, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4051, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-08-25", "puzzle": "11,r0c0r0c1|9,r0c2r0c3|13,r0c5r0c6|19,r1c0r1c1r2c0|11,r1c2r1c3|3,r0c4r1c4|23,r1c6r2c6r2c7|14,r0c7r0c8r1c7|16,r1c5r2c4r2c5|3,r1c8r2c8|10,r2c1r3c1|14,r2c2r2c3r3c2|18,r3c6r3c7r3c8|10,r3c0r4c0r5c0|10,r4c1r4c2|14,r3c3r4c3r5c3|21,r3c4r4c4r5c4|10,r3c5r4c5r5c5|9,r4c6r4c7r4c8|15,r5c1r6c1|16,r5c2r6c2r6c3|18,r5c6r5c7r5c8|17,r6c4r6c5r7c5|12,r6c8r7c8|9,r6c0r7c0r7c1|10,r7c2r7c3|14,r7c4r8c4|11,r6c6r6c7r7c6|16,r7c7r8c7r8c8|12,r8c0r8c1|10,r8c2r8c3|7,r8c5r8c6", "solution": "923618547654729831871534962138465279746982153295173486569247318312856794487391625", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4051, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4053, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-08-25", "puzzle": "9,r0c2r0c3|10,r0c5r0c6|9,r0c0r1c0|10,r0c1r1c1|6,r0c7r1c7|13,r0c8r1c8|9,r2c0r2c1|11,r2c7r2c8|11,r3c0r3c1|11,r2c2r3c2r4c2|25,r1c2r1c3r2c3r3c3r4c3|23,r0c4r1c4r2c4r3c4r4c4|29,r1c5r1c6r2c5r3c5r4c5|15,r2c6r3c6r4c6|8,r3c7r3c8|13,r4c0r4c1|13,r4c7r4c8|34,r5c1r5c2r6c2r7c2r7c3|14,r5c3r5c4r5c5|19,r5c6r5c7r6c6r7c5r7c6|6,r5c0r6c0|17,r6c3r6c4r6c5|12,r5c8r6c8|31,r6c1r7c0r7c1r8c0r8c1r8c2|33,r6c7r7c7r7c8r8c6r8c7r8c8|14,r7c4r8c3r8c4r8c5", "solution": "795432816214689357368715492832594671671328549549167238126953784957846123483271965", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4053, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4054, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-08-25", "puzzle": 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"16,r0c1r0c2|16,r0c5r0c6r0c7|12,r0c0r1c0r2c0|9,r0c3r1c3|7,r0c4r1c4|7,r1c6r1c7|14,r1c1r2c1|3,r1c2r2c2|20,r2c3r2c4r3c4|13,r1c5r2c5|16,r2c6r2c7r3c7|12,r0c8r1c8r2c8|5,r3c0r3c1|15,r3c2r3c3|7,r3c5r3c6|10,r4c0r5c0|12,r4c1r4c2|10,r4c3r4c4r4c5|9,r4c6r4c7|14,r3c8r4c8|8,r5c2r5c3|7,r5c5r5c6|13,r5c7r5c8|22,r6c0r7c0r8c0|20,r5c1r6c1r6c2|14,r6c3r7c3|14,r5c4r6c4r6c5|11,r6c6r7c6|7,r6c7r7c7|5,r7c1r7c2|8,r7c4r8c4|16,r7c5r8c5|15,r6c8r7c8r8c8|6,r8c1r8c2r8c3|12,r8c6r8c7", "solution": "497263851562718349381495672146972538839541726275386194758624913914837265623159487", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4056, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4057, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-08-26", "puzzle": 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"22,r0c0r0c1r1c0r1c1|0,r0c2r0c3r0c4|0,r1c2r1c3|14,r0c5r1c5|37,r0c6r0c7r0c8r1c6r1c7r1c8|11,r1c4r2c4|0,r2c6r2c7|12,r2c0r3c0r4c0|9,r2c1r3c1|18,r2c2r2c3r3c2|36,r3c3r3c4r4c3r4c4r4c5r5c4|0,r2c5r3c5|9,r2c8r3c8|0,r4c1r4c2|12,r3c6r3c7r4c6|13,r4c7r4c8|0,r5c0r5c1|0,r5c2r5c3|20,r5c7r5c8r6c8|24,r6c0r6c1r7c0r7c1r8c0r8c1|16,r6c3r6c4r7c3|0,r5c5r5c6r6c5|0,r6c2r7c2|15,r6c6r6c7r7c6|9,r8c2r8c3|7,r7c4r8c4|24,r7c5r8c5r8c6|14,r7c7r7c8r8c7r8c8", "solution": "832419675471635892956782413145893726287561349693274158519346287764928531328157964", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4059, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4060, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-08-26", "puzzle": "27,r0c0r0c1r0c2r1c0r2c0|13,r0c4r0c5r0c6|14,r0c3r1c3|11,r1c4r1c5r2c4|6,r0c7r1c7|8,r0c8r1c8|0,r1c1r2c1|15,r1c2r2c2r3c2|14,r1c6r2c6|11,r3c0r3c1|8,r2c3r3c3|18,r3c4r4c4r4c5r5c4|23,r2c5r3c5r3c6r3c7|0,r4c0r4c1|0,r4c2r4c3|13,r4c6r4c7|0,r5c0r5c1|11,r5c3r6c3|20,r5c5r5c6r5c7r6c5|0,r6c1r7c1|0,r5c2r6c2r7c2|9,r6c6r7c6|32,r2c7r2c8r3c8r4c8r5c8r6c7r6c8|4,r7c3r8c3|15,r6c4r7c4r7c5|0,r7c7r8c7|0,r7c8r8c8|0,r6c0r7c0r8c0r8c1r8c2|13,r8c4r8c5r8c6", "solution": "679582341458931627123674895564217938912853764837496152296748513385129476741365289", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4060, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4061, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-08-27", "puzzle": "3,r0c5r0c6|19,r0c7r0c8r1c8|8,r0c0r1c0|12,r0c1r1c1|6,r0c2r1c2|11,r0c3r1c3|18,r0c4r1c4r2c4|11,r1c5r1c6|12,r2c0r2c1|13,r2c2r2c3r3c3|9,r2c5r2c6|14,r1c7r2c7r2c8|10,r3c1r3c2|20,r3c5r3c6r4c5|9,r3c7r3c8|10,r3c0r4c0|9,r4c1r4c2|15,r3c4r4c4r5c4|10,r4c6r4c7|12,r4c8r5c8|10,r5c0r5c1|11,r4c3r5c2r5c3|10,r5c6r5c7|15,r6c0r6c1r7c1|11,r6c2r6c3|20,r5c5r6c5r6c6|5,r6c7r6c8|9,r7c2r7c3|12,r6c4r7c4r8c4|5,r7c5r8c5|5,r7c6r8c6|13,r7c7r8c7|15,r7c8r8c8|16,r7c0r8c0r8c1|17,r8c2r8c3", "solution": "635492178291786534487513692928157463154369827376248915862935741513674289749821356", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4061, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4062, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-08-27", "puzzle": "9,r0c2r0c3|9,r0c4r0c5r0c6|19,r0c7r0c8r1c7|9,r0c0r1c0|20,r0c1r1c1r1c2|10,r1c3r1c4|9,r2c0r2c1r3c1|10,r2c3r2c4|12,r1c5r2c5|12,r1c6r2c6|7,r1c8r2c8|20,r2c2r3c2r3c3|12,r3c4r3c5r3c6|17,r2c7r3c7r3c8|18,r3c0r4c0r4c1|18,r4c2r4c3r4c4r5c2|9,r4c5r4c6|11,r5c0r5c1|10,r4c7r5c7|12,r4c8r5c8|11,r5c4r6c4|12,r5c5r6c5|13,r5c6r6c6|10,r6c7r6c8|11,r6c0r7c0|14,r6c1r6c2r7c1|18,r7c2r8c2r8c3r8c4|11,r5c3r6c3r7c3|6,r7c4r7c5|15,r7c6r7c7|11,r8c0r8c1|12,r8c5r8c6|8,r7c8r8c7r8c8", "solution": "374526189685914723129738564567491238492873615831265497218357946953642871746189352", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4062, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4063, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-08-27", "puzzle": "23,r0c0r0c1r1c0r1c1|12,r0c2r0c3|19,r0c4r0c5r0c6r1c6|20,r0c7r0c8r1c8r2c8|20,r1c2r1c3r1c4|10,r1c7r2c7r3c7|11,r2c2r2c3r3c2|12,r1c5r2c4r2c5r3c5|9,r2c0r3c0|17,r2c1r3c1r4c1|27,r3c3r3c4r4c3r4c4|15,r2c6r3c6|12,r3c8r4c8|15,r4c0r5c0r6c0r6c1|21,r4c2r5c1r5c2r5c3|12,r4c5r5c4r5c5|19,r4c7r5c7r5c8|11,r6c2r6c3|19,r4c6r5c6r6c4r6c5r6c6|15,r7c1r7c2r7c3|24,r7c4r7c5r8c5|28,r6c7r6c8r7c6r7c7r8c6|20,r7c0r8c0r8c1r8c2|5,r8c3r8c4|9,r7c8r8c7r8c8", "solution": "483926715925871436167354928841792653372568149596413287619235874254687391738149562", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4063, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4064, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-08-27", "puzzle": "3,r0c3r0c4|11,r0c6r0c7|30,r0c0r1c0r2c0r3c0r3c1|8,r0c1r1c1|7,r0c2r1c2|29,r0c5r1c4r1c5r2c4|12,r0c8r1c8|0,r2c1r2c2|0,r1c3r2c3|3,r1c6r2c6|0,r1c7r2c7r2c8|16,r3c2r3c3r3c4|21,r2c5r3c5r3c6|0,r3c7r3c8r4c8r5c7r5c8|6,r4c0r4c1|20,r4c2r4c3r4c4|0,r4c5r4c6r4c7|17,r5c2r5c3r5c4|0,r5c5r5c6r6c5|13,r6c1r6c2|0,r6c3r7c3|0,r6c6r7c6|13,r6c7r6c8r7c7|25,r5c0r5c1r6c0r7c0r8c0|6,r7c1r8c1|12,r7c2r8c2|0,r6c4r7c4r7c5r8c5|9,r7c8r8c8|0,r8c3r8c4|14,r8c6r8c7", "solution": "836215479451697283972384156364578912518932764297461835685149327729853641143726598", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4064, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4065, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-08-27", "puzzle": "11,r0c2r0c3r0c4|0,r0c5r0c6|21,r0c0r0c1r1c0|7,r1c1r1c2r2c1|0,r0c7r1c7|11,r0c8r1c8|10,r1c4r2c4|20,r1c5r1c6r2c5|13,r2c0r3c0r4c0|29,r1c3r2c2r2c3r3c1r3c2|0,r3c3r3c4r4c3|7,r2c6r3c6|0,r2c7r3c7|0,r2c8r3c8|0,r4c1r4c2|22,r5c1r5c2r6c1|34,r3c5r4c4r4c5r5c3r5c4r5c5|0,r4c6r5c6|15,r4c7r4c8r5c7r5c8|3,r5c0r6c0|0,r6c2r6c3|0,r6c4r6c5|45,r6c6r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|0,r7c0r7c1|9,r7c2r7c3|12,r7c4r7c5r8c4r8c5|11,r8c0r8c1|5,r8c2r8c3", "solution": "593174286712386945648925173427813659365249718189657324256798431974531862831462597", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4065, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4066, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-08-28", "puzzle": "17,r0c0r0c1|13,r0c2r0c3|7,r0c4r0c5r0c6|9,r0c7r0c8r1c7|9,r1c3r1c4|16,r1c5r1c6|8,r1c0r2c0|3,r1c1r2c1|11,r1c2r2c2|13,r2c3r2c4|13,r2c5r2c6|16,r1c8r2c7r2c8|8,r3c0r3c1r4c0|13,r3c5r3c6|6,r3c7r3c8|22,r4c1r5c1r6c1|7,r3c2r4c2|13,r3c3r4c3|16,r3c4r4c4r5c4|11,r4c5r4c6|16,r4c7r4c8|13,r5c2r5c3|7,r5c5r5c6r5c7|5,r6c3r6c4|9,r6c5r6c6r7c6|5,r5c8r6c8|21,r5c0r6c0r7c0|12,r6c2r7c2|22,r7c4r7c5r8c4|17,r6c7r7c7|11,r7c1r8c0r8c1|6,r7c3r8c2r8c3|19,r8c5r8c6r8c7|11,r7c8r8c8", "solution": "986712435524639718317854926432987651165423879798561243679145382853276194241398567", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4066, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4067, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-08-28", "puzzle": 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"18,r0c0r0c1r0c2|14,r0c3r0c4r1c3|10,r0c7r0c8|7,r1c0r1c1|14,r0c5r0c6r1c5|14,r1c6r1c7|12,r1c2r2c2|9,r1c4r2c4|6,r1c8r2c8|18,r2c0r2c1r3c0r3c1|29,r2c3r3c2r3c3r4c2|5,r2c5r3c5|9,r2c6r3c6|27,r2c7r3c7r3c8r4c7r4c8|12,r4c0r4c1r5c0|23,r3c4r4c4r4c5r4c6|11,r5c1r5c2|12,r4c3r5c3|7,r5c4r5c5|9,r5c6r5c7|11,r6c0r6c1|8,r6c2r6c3|9,r6c4r6c5|13,r5c8r6c8|8,r7c4r7c5|32,r6c6r6c7r7c6r7c7r8c5r8c6|32,r7c0r7c1r7c2r8c0r8c1r8c2|13,r7c3r8c3r8c4|13,r7c8r8c7r8c8", "solution": "864195237259437681713862495647923518125748963938516724382654179596371842471289356", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4068, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4069, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-08-28", "puzzle": "16,r0c0r0c1|9,r0c2r0c3|3,r0c5r0c6|14,r1c1r1c2r1c3|0,r0c4r1c4|14,r1c5r1c6|20,r0c7r0c8r1c7r1c8|0,r1c0r2c0|20,r2c2r2c3r2c4r3c2|14,r2c7r3c7|0,r2c8r3c8|24,r2c1r3c0r3c1r4c0|0,r2c5r2c6r3c5r3c6|3,r4c1r4c2|7,r3c3r4c3|0,r3c4r4c4r4c5|0,r4c7r4c8|0,r5c0r5c1r6c0|15,r5c4r5c5|0,r4c6r5c6r6c5r6c6|3,r5c8r6c8|22,r5c2r5c3r6c2r6c3|5,r6c4r7c4|13,r5c7r6c7r7c7|15,r6c1r7c1r7c2|0,r7c3r8c2r8c3|0,r7c5r7c6r8c4r8c5|11,r7c8r8c8|11,r7c0r8c0r8c1|10,r8c6r8c7", "solution": "975482163143756829682193754368214597721569438594378612456937281837621945219845376", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4069, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4070, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-08-29", "puzzle": 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"18,r0c2r0c3r0c4r0c5|27,r0c0r0c1r1c0r1c1r2c0|0,r1c4r1c5|0,r0c6r0c7r1c6r1c7|10,r0c8r1c8|0,r1c2r2c1r2c2|5,r1c3r2c3|0,r2c5r2c6|0,r2c7r2c8|4,r3c0r3c1|7,r3c2r3c3|0,r2c4r3c4|15,r3c5r3c6|0,r4c0r4c1r4c2|0,r4c3r4c4|11,r4c5r4c6|17,r5c0r5c1|8,r5c2r5c3|0,r5c4r6c4|7,r5c5r5c6|30,r3c7r3c8r4c7r4c8r5c7r5c8|14,r6c1r6c2r7c2|16,r6c3r7c3|11,r6c5r6c6|5,r6c7r6c8|23,r6c0r7c0r7c1r8c0r8c1|0,r7c4r7c5|19,r7c6r7c7r8c6r8c7|15,r7c8r8c8|21,r8c2r8c3r8c4r8c5", "solution": "971836254235479186684152793312547869547698312896213475723985641469721538158364927", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4073, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4074, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2011-08-29", "puzzle": 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"13,r0c0r0c1|9,r0c2r0c3|8,r1c0r1c1|8,r1c2r1c3|7,r0c4r1c4|16,r0c5r1c5r2c5|17,r0c6r1c6|9,r0c7r0c8r1c7|13,r2c1r2c2|11,r1c8r2c8|3,r2c0r3c0|13,r3c1r3c2|23,r2c3r2c4r3c3|6,r3c4r3c5|4,r2c6r3c6|20,r4c0r4c1r4c2|13,r4c3r4c4r5c4|13,r4c5r4c6|14,r2c7r3c7r4c7|12,r3c8r4c8|16,r5c0r5c1r6c0|5,r5c2r5c3|14,r5c5r5c6|10,r5c7r5c8|5,r6c1r6c2|5,r6c6r6c7|17,r7c0r7c1|12,r6c3r7c3|13,r6c5r7c5r8c5|5,r8c0r8c1|13,r7c2r8c2r8c3|18,r6c4r7c4r8c4|7,r7c6r8c6|14,r7c7r8c7|19,r6c8r7c8r8c8", "solution": "678154932351729846294683175167942358839516724542378691723865419985431267416297583", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4075, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4076, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-08-30", "puzzle": "8,r0c1r0c2|12,r0c4r0c5|6,r0c6r0c7|19,r0c0r1c0r2c0r3c0|9,r0c3r1c3|9,r1c5r1c6|22,r0c8r1c7r1c8|12,r1c1r2c1|17,r1c2r2c2r3c2|8,r1c4r2c4|19,r2c5r2c6r3c6|4,r2c7r2c8|12,r2c3r3c3|10,r3c4r3c5|19,r3c1r4c0r4c1r5c1|16,r4c2r4c3r4c4|9,r4c5r4c6|18,r3c7r4c7r5c7|11,r3c8r4c8r5c8|10,r5c3r6c3|15,r5c4r5c5|11,r6c1r7c1|7,r5c2r6c2r7c2|8,r6c4r7c4|20,r5c6r6c5r6c6|11,r6c7r6c8|25,r5c0r6c0r7c0r8c0|11,r7c3r8c3|7,r7c5r7c6|14,r7c7r7c8r8c8|8,r8c1r8c2|8,r8c4r8c5|10,r8c6r8c7", "solution": "517893426283164579946725813378519642169342758452687391721438965894256137635971284", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4076, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4077, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-08-30", "puzzle": "21,r0c0r0c1r1c0|26,r0c2r0c3r0c4r0c5r1c3|5,r0c6r0c7|18,r1c4r1c5r2c4|10,r1c6r1c7|21,r0c8r1c8r2c8r3c8|7,r1c1r1c2r2c1|23,r2c0r3c0r3c1r4c0r5c0|11,r2c2r2c3r3c2|19,r3c3r3c4r4c3|8,r2c5r3c5|20,r2c6r3c6r4c6|15,r2c7r3c7|22,r4c4r4c5r5c4r5c5|13,r4c7r4c8r5c8|15,r4c1r4c2r5c1|10,r5c2r5c3|13,r6c2r6c3r6c4|19,r5c6r6c5r6c6|12,r5c7r6c7r6c8|10,r6c0r7c0|8,r6c1r7c1|16,r7c2r7c3|17,r7c5r7c6r8c6|18,r7c7r7c8r8c7r8c8|19,r8c0r8c1r8c2r8c3|9,r7c4r8c4r8c5", "solution": "978653142512498376346217598493821765625974813187365429254189637839746251761532984", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4077, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4082, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-08-31", "puzzle": "11,r0c0r0c1r1c1|16,r0c2r0c3r0c4|13,r0c5r0c6r1c6|21,r0c7r0c8r1c7r1c8|11,r1c2r1c3|11,r1c4r1c5|16,r1c0r2c0|12,r2c2r2c3r2c4|21,r2c5r2c6r3c5r3c6|15,r2c7r2c8r3c8|19,r2c1r3c0r3c1|7,r3c3r4c3|11,r3c7r4c7|23,r4c0r4c1r5c0r5c1r6c0|9,r3c2r4c2|12,r3c4r4c4r4c5|19,r5c2r5c3r6c3|11,r5c4r5c5|15,r4c6r5c6r6c6|3,r5c7r6c7|15,r4c8r5c8r6c8|9,r6c4r6c5|26,r6c1r6c2r7c1r7c2|11,r7c5r7c6r8c5|21,r7c7r7c8r8c8|12,r7c0r8c0r8c1|29,r7c3r7c4r8c2r8c3r8c4|6,r8c6r8c7", "solution": "521964873746538192983271465652317984817429536394856721269745318438192657175683249", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4082, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4081, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-08-31", "puzzle": "27,r0c2r0c3r0c4r0c5r1c4|26,r0c6r0c7r0c8r1c8r2c8|9,r0c0r1c0|21,r0c1r1c1r1c2r1c3|8,r1c5r1c6|12,r2c2r2c3r3c3|21,r2c4r2c5r3c5|3,r1c7r2c7|26,r2c0r2c1r3c0r3c1r3c2|11,r2c6r3c6|12,r3c7r3c8|10,r4c0r4c1|8,r4c2r4c3|18,r3c4r4c4r5c4|5,r4c5r4c6|17,r4c7r4c8|12,r5c0r5c1|6,r5c2r6c2|16,r5c6r5c7r5c8r6c7r6c8|13,r6c1r7c1|24,r5c3r6c3r6c4|12,r5c5r6c5r6c6|9,r7c2r7c3|28,r7c5r7c6r7c7r8c7|9,r7c8r8c8|25,r6c0r7c0r8c0r8c1r8c2|17,r7c4r8c3r8c4r8c5r8c6", "solution": "137269548895431726426587913389146257641752389752893461564978132273614895918325674", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4081, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4080, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-08-31", "puzzle": "7,r0c1r0c2|13,r0c3r0c4r0c5|17,r0c0r1c0r2c0|16,r1c1r1c2r1c3|7,r1c4r1c5|16,r0c6r1c6|7,r0c7r1c7|14,r0c8r1c8|20,r2c1r2c2r2c3|8,r3c0r3c1|13,r3c3r4c3r5c3|3,r2c4r3c4|12,r2c5r3c5|7,r2c6r3c6|8,r2c7r3c7|8,r2c8r3c8|5,r4c0r4c1|19,r3c2r4c2r5c2|20,r4c4r4c5r4c6|10,r4c7r4c8|13,r5c0r5c1|14,r5c4r6c4|16,r5c5r6c5|3,r5c6r6c6|10,r5c7r6c7|16,r5c8r6c8|10,r6c1r6c2r6c3|13,r6c0r7c0r8c0|14,r7c1r7c2r7c3|9,r7c4r7c5|13,r7c6r8c6|12,r7c7r8c7|5,r7c8r8c8|14,r8c1r8c2|13,r8c3r8c4r8c5", "solution": "834751926291643758756928413629814375417395682583267149345189267172536894968472531", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4080, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4079, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-08-30", "puzzle": "9,r0c0r0c1|0,r0c2r0c3r0c4r0c5|0,r0c7r0c8|3,r1c0r1c1|20,r1c2r1c3r1c4|31,r0c6r1c6r1c7r1c8r2c7r2c8|5,r2c2r2c3|0,r1c5r2c4r2c5r2c6|40,r2c0r2c1r3c0r4c0r5c0r6c0r7c0|16,r3c1r4c1|0,r3c6r3c7r3c8r4c7r5c7|17,r3c2r3c3r4c2|10,r3c4r3c5r4c4r4c5|3,r5c1r5c2|21,r4c3r5c3r5c4|9,r4c6r5c6|0,r4c8r5c8|15,r6c1r6c2r7c1r7c2|11,r6c3r6c4|0,r5c5r6c5r7c5|25,r6c6r6c7r6c8r7c6r7c7r8c7|0,r7c3r7c4r8c4|13,r8c0r8c1|0,r8c2r8c3|8,r8c5r8c6|13,r7c8r8c8", "solution": "367425981215789436984136572598643217473512698621978345146297853732854169859361724", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4079, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4083, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-08-31", "puzzle": "0,r0c1r0c2r1c1r2c1|8,r0c3r0c4|24,r0c5r0c6r0c7r0c8r1c6r1c8|0,r0c0r1c0r2c0r3c0|4,r1c2r1c3|14,r2c2r2c3|11,r1c4r2c4|0,r1c5r2c5r2c6r3c5r4c5|13,r1c7r2c7|0,r2c8r3c8|15,r3c1r3c2r3c3r3c4|0,r3c6r4c6r5c6|0,r4c3r4c4|0,r3c7r4c7r4c8r5c8|0,r4c0r4c1r5c0r5c1|11,r4c2r5c2|0,r5c3r5c4r5c5|14,r6c0r6c1|0,r6c4r6c5|14,r5c7r6c7r7c7|3,r6c2r7c2|15,r6c3r7c3|13,r7c4r7c5r8c5|10,r6c6r7c6|12,r6c8r7c8|0,r7c0r7c1r8c0|10,r8c1r8c2|12,r8c3r8c4|0,r8c6r8c7r8c8", "solution": "578624319463189572129537864315276948284913756697458123952841637831762495746395281", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4083, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4084, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-08-31", "puzzle": 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"16,r0c0r0c1|7,r0c2r0c3|7,r0c4r0c5|10,r0c7r0c8|13,r1c0r1c1|9,r1c4r1c5|8,r0c6r1c6|7,r2c0r2c1|3,r1c2r2c2|11,r1c3r2c3|16,r2c5r2c6|15,r1c7r2c7|5,r1c8r2c8|23,r2c4r3c4r4c4|20,r3c7r3c8r4c7|14,r3c0r4c0r5c0|6,r3c1r4c1|17,r3c2r4c2|9,r3c3r4c3|4,r3c5r4c5|5,r3c6r4c6|8,r4c8r5c8|11,r5c2r5c3|14,r5c4r5c5r6c4|12,r5c6r5c7|7,r5c1r6c1|11,r6c2r6c3|7,r6c6r6c7r7c7|19,r6c5r7c5r7c6|19,r6c8r7c8r8c8|10,r6c0r7c0r8c0|22,r7c1r7c2r8c1|13,r8c2r8c3|9,r7c3r7c4r8c4|18,r8c5r8c6r8c7", "solution": "976134528851672394432589761329761485548293176617458932763815249295346817184927653", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4120, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4119, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-09-07", "puzzle": "0,r0c2r0c3|5,r0c7r0c8|3,r0c0r1c0|0,r0c1r1c1|0,r1c2r1c3|32,r0c4r0c5r0c6r1c4r2c4|19,r1c5r1c6r2c5|0,r1c7r1c8|12,r2c0r3c0|0,r2c1r3c1r4c1|25,r2c2r2c3r3c2r4c2r4c3|0,r3c3r3c4|0,r2c6r3c5r3c6|28,r2c7r2c8r3c7r3c8r4c8r5c8|7,r4c4r4c5|10,r4c0r5c0|0,r5c1r5c2|0,r4c6r5c5r5c6r6c6|14,r4c7r5c7|26,r5c3r5c4r6c3r6c4r6c5|4,r6c7r6c8|23,r6c0r6c1r7c0r7c1r8c0|12,r6c2r7c2|20,r7c5r7c6r8c5r8c6|19,r7c3r8c1r8c2r8c3|4,r7c4r8c4|0,r7c7r7c8r8c7r8c8", "solution": "146598732238167945759423186581976324473852691692341857927685413815734269364219578", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4119, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4121, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-09-08", "puzzle": "13,r0c0r0c1|14,r0c2r0c3r1c2|9,r0c5r0c6r0c7|13,r1c0r1c1|10,r0c4r1c3r1c4|15,r0c8r1c8|9,r2c0r2c1r2c2|17,r2c3r2c4|26,r1c5r1c6r2c5r3c5|7,r1c7r2c7|20,r3c1r3c2r3c3r3c4|13,r2c6r3c6r3c7|13,r2c8r3c8r4c8|7,r3c0r4c0|21,r4c1r4c2r5c2r6c2|25,r4c3r4c4r5c3r5c4|21,r5c0r5c1r6c0r6c1|19,r4c5r5c5r6c5r6c6r7c6|13,r4c6r5c6|15,r4c7r5c7r5c8|3,r6c3r6c4|10,r7c0r7c1|30,r7c2r7c3r7c4r7c5r8c4|12,r6c7r7c7r8c7|15,r6c8r7c8r8c8|5,r8c0r8c1|16,r8c2r8c3|14,r8c5r8c6", "solution": "768423159942175836135896247291647385586932471374581962653214798827369514419758623", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4121, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4122, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-09-08", "puzzle": 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"15,r0c0r0c1|13,r0c2r0c3|5,r0c5r0c6|0,r0c7r0c8|5,r1c1r1c2|0,r0c4r1c4|0,r1c6r1c7|10,r1c0r2c0|25,r2c1r2c2r3c2r4c2|11,r1c3r2c3|11,r1c5r2c5|0,r2c6r2c7r3c6r4c6|13,r1c8r2c8|0,r3c0r3c1|0,r2c4r3c4|3,r3c7r3c8|0,r3c3r4c3|8,r3c5r4c5|4,r4c0r5c0|0,r4c1r5c1r5c2r5c3|5,r4c4r5c4|0,r4c7r5c5r5c6r5c7|10,r4c8r5c8|0,r6c0r6c1|19,r6c2r6c3r6c4r6c5r6c6|0,r6c7r6c8|0,r7c1r7c2r8c1|20,r7c3r7c4r7c5|0,r7c6r7c7r8c7|14,r7c0r8c0|21,r8c2r8c3r8c4r8c5r8c6|0,r7c8r8c8", "solution": "695831472241597638873624915459386721386712594127945386762153849518479263934268157", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4124, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4126, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-09-09", "puzzle": 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"12,r0c3r0c4|17,r0c7r0c8r1c8|0,r0c0r0c1r0c2r1c0r2c0|0,r1c1r1c2r2c1|4,r1c3r1c4|14,r0c5r1c5|10,r0c6r1c6r1c7|30,r2c2r2c3r2c4r2c5r3c2r4c2r5c2|18,r2c6r2c7r2c8|16,r3c3r3c4r4c3|5,r3c7r3c8|0,r3c0r4c0|13,r3c1r4c1|28,r3c5r4c4r4c5r5c3r5c4|13,r3c6r4c6|0,r4c7r4c8r5c7|9,r5c0r5c1|0,r6c0r6c1r7c1|14,r6c3r6c4|0,r5c5r5c6r6c5|10,r5c8r6c8|0,r6c2r7c2r8c2|9,r6c6r6c7r7c6|11,r7c0r8c0r8c1|3,r7c3r8c3|0,r7c4r7c5r8c4|0,r8c5r8c6|26,r7c7r7c8r8c7r8c8", "solution": "384756192729318456516492783693527814841963527275841639937685241452179368168234975", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4199, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4200, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-09-24", "puzzle": "16,r0c1r0c2r0c3|13,r0c4r0c5|7,r0c6r0c7r0c8|16,r0c0r1c0|7,r1c1r1c2|8,r1c3r1c4r2c3|12,r1c5r1c6|9,r2c0r2c1r2c2|9,r2c4r3c4|8,r1c7r2c7|24,r1c8r2c8r3c8|13,r3c2r3c3r4c3|20,r2c5r2c6r3c5|16,r3c6r4c6|14,r3c0r4c0|7,r3c1r4c1|12,r4c4r4c5|12,r3c7r4c7r5c7|3,r4c2r5c2|15,r5c3r5c4|6,r4c8r5c8|6,r5c0r6c0|14,r5c1r6c1|10,r6c3r6c4|8,r5c5r6c5|7,r5c6r6c6|14,r6c7r6c8|11,r7c0r7c1|12,r6c2r7c2|9,r7c5r7c6|16,r8c0r8c1r8c2|20,r7c3r7c4r8c3|10,r8c4r8c5r8c6|16,r7c7r8c7|5,r7c8r8c8", "solution": "985367214716524839324189657637415928841293765592876341159732486473658192268941573", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4200, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4197, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-09-23", "puzzle": "10,r0c2r0c3|9,r0c4r0c5|9,r0c6r0c7|20,r0c0r0c1r1c0r1c1|13,r1c2r1c3|13,r1c5r1c6r2c5|10,r0c8r1c8|15,r1c4r2c4|15,r1c7r2c7r2c8r3c7|11,r2c0r3c0|12,r2c1r3c1|8,r2c2r2c3r3c2|11,r3c3r3c4r4c3|17,r2c6r3c6|10,r3c8r4c8r5c8|7,r4c1r4c2|31,r3c5r4c4r4c5r5c3r5c4|11,r4c0r5c0|13,r4c7r5c7|16,r5c1r5c2r6c1|14,r6c2r6c3|23,r4c6r5c5r5c6r6c4r6c5|3,r6c0r7c0|27,r7c1r7c2r7c3r8c2|12,r7c4r7c5|12,r6c6r6c7r7c6|33,r6c8r7c7r7c8r8c6r8c7r8c8|8,r8c0r8c1|12,r8c3r8c4r8c5", "solution": "927354186816792354435168927792546813643281795581973642178625439264839571359417268", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4197, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4198, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-09-23", "puzzle": "3,r0c2r0c3|0,r0c5r0c6|10,r0c0r1c0|9,r0c1r1c1|15,r1c2r1c3|0,r0c4r1c4r1c5|13,r0c7r1c6r1c7|16,r0c8r1c8|8,r2c2r2c3|0,r2c4r2c5|23,r2c0r2c1r3c0r4c0|0,r3c3r3c4r3c5|10,r2c6r2c7r3c6|5,r3c7r4c7|7,r2c8r3c8|24,r3c1r3c2r4c2|13,r4c3r4c4r4c5|0,r4c6r5c6r5c7|6,r5c0r6c0|9,r4c1r5c1|14,r5c2r6c1r6c2|0,r5c3r5c4r5c5|0,r4c8r5c8r6c7r6c8|0,r6c3r6c4|0,r6c5r6c6|14,r7c0r8c0|8,r7c1r7c2r8c1|23,r7c3r7c4r8c4|0,r7c5r7c6|8,r7c7r8c7|7,r7c8r8c8|0,r8c2r8c3|10,r8c5r8c6", "solution": "751234869346918257982675143197386524568742931234159786473521698615893472829467315", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4198, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4201, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-09-24", "puzzle": 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"17,r0c2r0c3r0c4|19,r0c6r1c6r2c6r2c7r2c8|13,r0c0r1c0r2c0|4,r0c1r1c1|6,r1c2r1c3|21,r0c5r1c4r1c5|26,r0c7r0c8r1c7r1c8|16,r2c1r2c2r3c2|13,r2c4r2c5|13,r3c0r3c1|16,r2c3r3c3r4c3|16,r3c4r3c5r4c4r4c5|14,r3c6r4c6|10,r3c7r3c8r4c7|11,r4c0r4c1r5c1|11,r5c4r5c5r5c6|12,r5c7r6c7|15,r4c8r5c8r6c8|16,r5c0r6c0r6c1|31,r4c2r5c2r5c3r6c2r6c3r6c4|19,r6c5r6c6r7c6|25,r7c0r7c1r8c0r8c1|15,r7c3r7c4r8c4|11,r7c5r8c5|7,r7c7r7c8|13,r7c2r8c2r8c3|15,r8c6r8c7r8c8", "solution": "219357846534286179687194352941863527368725914725941638452618793893572461176439285", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4207, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4205, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-09-25", "puzzle": "19,r0c3r0c4r0c5|3,r0c6r1c6|19,r0c0r0c1r1c0|6,r1c3r1c4|13,r0c7r1c7|9,r0c8r1c8|14,r1c1r2c1|6,r0c2r1c2r2c2|18,r1c5r2c4r2c5|11,r2c6r2c7|13,r2c0r3c0|17,r3c1r3c2|10,r2c3r3c3r4c3|10,r3c5r3c6r3c7|16,r2c8r3c8r4c8|8,r4c1r4c2|13,r3c4r4c4r5c4|13,r4c6r4c7|9,r4c0r5c0r6c0|16,r5c1r5c2r5c3|16,r4c5r5c5r6c5|15,r5c6r5c7|9,r5c8r6c8|9,r6c1r6c2|16,r6c3r6c4r7c3|17,r6c6r7c6r8c6|8,r6c7r7c7|11,r7c0r8c0|7,r7c1r8c1|11,r7c4r7c5|12,r7c8r8c7r8c8|15,r7c2r8c2|16,r8c3r8c4r8c5", "solution": "872694153493157286651283749789541632126378495534926871345712968917865324268439517", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4205, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4206, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-09-25", "puzzle": 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"11,r0c0r0c1r0c2|11,r0c4r0c5|20,r0c7r0c8r1c8|16,r0c3r1c2r1c3|8,r1c4r1c5|13,r0c6r1c6r1c7|20,r1c0r1c1r2c1|12,r2c2r2c3|18,r2c4r2c5r2c6|12,r2c0r3c0r4c0|15,r3c2r3c3r4c2|15,r3c4r3c5r3c6|6,r2c7r3c7r4c7|4,r2c8r3c8|12,r3c1r4c1|15,r4c3r4c4|17,r4c8r5c8|12,r5c1r5c2r6c1|11,r4c5r5c5|18,r4c6r5c6r5c7|14,r5c0r6c0r7c0|10,r5c3r6c2r6c3|13,r5c4r6c4|4,r6c5r6c6|14,r6c7r6c8|8,r7c1r7c2r7c3|17,r7c5r7c6|12,r7c7r7c8|15,r8c0r8c1|15,r8c2r8c3|5,r7c4r8c4|6,r8c5r8c6|6,r8c7r8c8", "solution": "461283597835917264297564813978356421154872639326149758542791386613428975789635142", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4210, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4209, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-09-25", "puzzle": 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"15,r0c1r0c2|6,r0c6r0c7|6,r0c0r1c0|6,r1c1r1c2|29,r0c3r0c4r0c5r1c3r1c5|11,r1c6r1c7|8,r0c8r1c8|15,r2c1r2c2|10,r1c4r2c4|14,r2c6r2c7|12,r2c0r3c0|10,r3c1r3c2r4c2|15,r2c3r3c3r4c3|13,r2c5r3c5r4c5|12,r3c6r3c7r4c6|14,r2c8r3c8|11,r4c0r4c1|5,r4c7r4c8|7,r5c0r5c1|16,r3c4r4c4r5c4|11,r5c7r5c8|14,r5c2r5c3r6c2|17,r6c3r6c4r6c5|15,r5c5r5c6r6c6|23,r6c0r6c1r7c0r8c0|10,r7c2r7c3|10,r7c5r7c6|24,r6c7r6c8r7c8r8c8|12,r7c1r8c1r8c2|20,r7c4r8c3r8c4r8c5|14,r7c7r8c6r8c7", "solution": "596783241124695837387214596932471658475968123618532974761359482849127365253846719", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4211, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4212, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-09-26", "puzzle": 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"17,r0c3r0c4r0c5|13,r0c0r0c1r1c0|15,r0c2r1c2|8,r1c3r1c4|20,r0c7r0c8r1c7r1c8|0,r1c1r2c1r2c2|11,r2c3r2c4r3c3|12,r1c5r2c5|0,r0c6r1c6r2c6r2c7r2c8|11,r2c0r3c0|7,r3c4r3c5r4c5|13,r3c6r3c7|0,r3c1r4c1r5c1|0,r3c2r4c2|20,r4c3r4c4r5c4|14,r4c6r5c5r5c6|0,r4c7r5c7|18,r3c8r4c8r5c8|0,r4c0r5c0|17,r5c2r5c3r6c2r6c3|15,r6c4r6c5|0,r6c7r6c8|14,r7c3r7c4r7c5|24,r6c6r7c6r7c7|42,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|0,r8c3r8c4|0,r8c5r8c6|12,r7c8r8c7r8c8", "solution": "627485193598173426341629857859342671736951248214867539483296715165734982972518364", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4213, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4215, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-09-27", "puzzle": "13,r0c1r0c2r1c1|17,r0c3r0c4r1c4|9,r0c5r0c6|14,r0c7r0c8r1c7|17,r0c0r1c0|3,r1c2r1c3|12,r1c5r1c6|13,r2c0r2c1r2c2|13,r2c3r2c4r3c4|13,r2c5r2c6|17,r2c7r3c7|8,r1c8r2c8|13,r3c1r3c2r3c3|5,r3c5r3c6|13,r3c0r4c0r5c0|11,r4c1r4c2|19,r4c3r4c4r4c5|9,r4c6r4c7|15,r3c8r4c8r5c8|15,r5c2r5c3|10,r5c5r5c6r5c7|4,r6c0r7c0|5,r5c1r6c1|15,r6c2r6c3|18,r5c4r6c4r6c5|15,r6c6r6c7r6c8|13,r7c2r7c3|15,r7c5r7c6|12,r7c8r8c8|22,r7c1r8c0r8c1|7,r8c2r8c3|8,r7c4r8c4r8c5|12,r7c7r8c6r8c7", "solution": "843597261962138475517264983781452396456973812239681547328746159175829634694315728", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4215, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4216, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-09-27", "puzzle": "17,r0c6r0c7r0c8|8,r0c0r1c0r2c0|14,r0c1r1c1|7,r0c2r1c2|25,r0c3r0c4r0c5r1c3r1c5|5,r1c6r1c7|25,r1c4r2c3r2c4r3c3|18,r2c5r2c6r3c6|14,r1c8r2c8r3c8|25,r2c1r2c2r3c1r3c2|5,r3c4r3c5|12,r2c7r3c7|37,r3c0r4c0r4c1r5c0r5c1r6c0|21,r4c2r4c3r5c2r6c2|25,r4c4r4c5r4c6r4c7r5c4|7,r5c6r5c7|9,r4c8r5c8|11,r5c3r6c3|20,r6c4r7c4r8c4r8c5|7,r5c5r6c5|13,r6c7r6c8|9,r7c0r8c0|12,r6c1r7c1r8c1|26,r6c6r7c5r7c6r7c7r7c8r8c6|19,r7c2r7c3r8c2r8c3|14,r8c7r8c8", "solution": "485137962362589417197264853518923674624875391973416528836751249241698735759342186", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4216, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4217, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-09-27", "puzzle": "17,r0c0r0c1r0c2r0c3|18,r0c4r0c5r1c4r1c5|18,r1c0r1c1r1c2|20,r0c6r0c7r1c6|9,r0c8r1c8r2c8|29,r1c3r2c1r2c2r2c3r2c4r2c5|18,r1c7r2c6r2c7r3c6|16,r2c0r3c0r4c0|18,r3c4r4c4r5c4|11,r3c7r3c8|24,r3c1r3c2r3c3r4c1r4c2|8,r4c3r5c3|11,r3c5r4c5|18,r4c6r4c7r5c5r5c6r5c7|15,r5c0r5c1|21,r4c8r5c8r6c8|19,r5c2r6c1r6c2r7c1|25,r6c3r6c4r6c5r6c6r6c7r7c5|12,r6c0r7c0r8c0|18,r7c2r8c1r8c2|17,r7c6r7c7r7c8|24,r7c3r7c4r8c3r8c4|19,r8c5r8c6r8c7r8c8", "solution": "135846972792153486846279351571694238328517649964382517619438725457921863283765194", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4217, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4220, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-09-28", "puzzle": "8,r0c0r0c1|10,r0c2r0c3|9,r0c4r0c5|17,r0c7r0c8|9,r1c1r1c2|13,r1c4r1c5|6,r0c6r1c6|14,r1c0r2c0|10,r2c1r2c2|6,r1c3r2c3|18,r2c4r2c5r2c6|7,r1c7r2c7|16,r1c8r2c8r3c8|18,r3c1r3c2r3c3|5,r3c5r3c6|16,r3c0r4c0|3,r4c1r5c1|8,r4c2r4c3|16,r3c4r4c4r5c4|6,r4c5r4c6|11,r3c7r4c7|8,r4c8r5c8|15,r5c2r5c3|17,r5c5r5c6r5c7|10,r5c0r6c0r7c0|14,r6c1r7c1|16,r6c2r6c3r6c4|10,r6c5r7c5|8,r6c6r6c7|9,r6c8r7c8|16,r7c2r8c2|3,r7c3r7c4|15,r7c6r7c7|6,r8c0r8c1|13,r8c3r8c4|15,r8c5r8c6|4,r8c7r8c8", "solution": "354672189872149536691538742736921458915384267428765391183497625569213874247856913", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4220, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4221, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-09-28", "puzzle": "16,r0c0r0c1r1c0|10,r0c2r0c3|15,r0c5r0c6|33,r1c1r1c2r1c3r2c1r2c2r3c1|7,r0c4r1c4|9,r0c7r0c8r1c7|9,r1c5r2c5r3c5|12,r1c6r2c6|17,r1c8r2c8r3c8|12,r2c0r3c0|14,r2c3r3c2r3c3|8,r2c4r3c4|13,r2c7r3c7r4c7|3,r4c0r4c1|16,r4c2r4c3|14,r3c6r4c6|15,r5c1r5c2r5c3|26,r4c4r4c5r5c4r5c5|9,r5c6r5c7|9,r4c8r5c8|11,r5c0r6c0|14,r6c1r6c2|9,r6c3r6c4|45,r6c6r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|9,r7c0r7c1r8c0|13,r7c2r7c3r7c4|12,r6c5r7c5|15,r8c1r8c2r8c3|10,r8c4r8c5", "solution": "914628753673954812582173469748512936129736548356489271895367124231845697467291385", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4221, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4222, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-09-28", "puzzle": "14,r0c1r0c2r1c1r1c2|13,r0c6r0c7r0c8|11,r0c0r1c0|14,r0c3r1c3r2c3|14,r0c4r1c4r2c4|18,r0c5r1c5r2c5r3c5|16,r1c6r1c7r2c6|25,r2c0r2c1r3c0r3c1|38,r1c8r2c8r3c8r4c8r5c8r6c8r7c8|14,r2c2r3c2|13,r3c3r3c4|3,r2c7r3c7|13,r4c0r4c1|13,r4c2r4c3r4c4|27,r3c6r4c5r4c6r4c7r5c6|14,r5c2r6c2|13,r5c3r5c4|11,r5c7r6c7|17,r5c0r5c1r6c0r6c1|5,r7c0r8c0|13,r6c3r7c3r8c3|14,r6c4r7c4r8c4|25,r5c5r6c5r7c5r8c5|12,r6c6r7c6r7c7|18,r7c1r7c2r8c1r8c2|17,r8c6r8c7r8c8", "solution": "347918265821365947695274318739851426584632791216497583958726134472183659163549872", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4222, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4224, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-09-28", "puzzle": 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"10,r0c1r0c2|9,r0c4r0c5|8,r0c0r1c0|16,r0c3r1c3|15,r1c4r1c5r2c5|30,r0c6r0c7r1c6r2c6r3c6|9,r0c8r1c8|14,r1c1r2c0r2c1|15,r1c2r2c2r2c3|12,r1c7r2c7r3c7|9,r3c0r3c1|29,r2c8r3c8r4c8r5c8r6c8|13,r4c0r4c1|12,r3c2r4c2r5c2|14,r3c3r4c3r5c3|5,r4c6r4c7|11,r5c0r5c1|10,r3c5r4c5r5c5|21,r6c0r6c1r7c1|14,r6c2r6c3r7c2|26,r2c4r3c4r4c4r5c4r6c4|21,r5c7r6c7r7c7|5,r7c0r8c0|9,r7c3r8c3|18,r6c5r7c4r7c5|22,r5c6r6c6r7c6r8c6r8c7|7,r7c8r8c8|9,r8c1r8c2|12,r8c4r8c5", "solution": "237918456619754823854236719725341698946587231381692574598423167472169385163875942", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4231, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4230, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-09-30", "puzzle": 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"0,r0c1r0c2r1c1|0,r0c3r0c4r1c3r1c4|11,r0c5r0c6|10,r0c7r0c8r1c8|5,r0c0r1c0|12,r2c0r2c1|11,r1c2r2c2r2c3|0,r1c5r2c5|23,r1c6r1c7r2c6r2c7|17,r2c8r3c8|0,r3c0r3c1|0,r3c2r3c3|0,r3c6r3c7|7,r4c0r4c1|5,r4c2r4c3|32,r2c4r3c4r3c5r4c4r4c5r4c6|18,r4c7r4c8r5c7r5c8|12,r5c0r5c1|0,r5c4r6c4|17,r5c5r6c5|0,r6c0r6c1|0,r5c2r5c3r6c2r6c3|0,r5c6r6c6r6c7|0,r6c8r7c7r7c8|12,r7c0r7c1r8c0r8c1|17,r7c2r8c2|0,r7c3r8c3|12,r7c4r8c4|0,r7c5r8c5|0,r7c6r8c6|10,r8c7r8c8", "solution": "182967453493185672576243918867532149251496837934718526745629381618374295329851764", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4243, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4245, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-10-03", "puzzle": "12,r0c0r0c1|12,r0c2r0c3r0c4|11,r0c5r0c6|12,r1c0r1c1|13,r1c2r1c3|16,r1c6r2c6r2c7|14,r0c7r0c8r1c7|10,r1c8r2c8|22,r2c1r2c2r2c3|6,r1c4r2c4|6,r1c5r2c5|6,r2c0r3c0|12,r3c1r3c2|21,r3c3r3c4r3c5|3,r3c7r3c8|3,r4c0r4c1|12,r4c2r4c3|8,r4c4r4c5|21,r3c6r4c6r5c6|13,r4c7r4c8|10,r5c0r6c0|10,r5c1r5c2|12,r5c3r5c4r5c5|8,r5c7r5c8|16,r6c1r6c2r6c3|9,r6c4r7c4|17,r6c5r7c5|10,r7c0r7c1|6,r7c2r7c3|10,r6c6r6c7r7c6|19,r7c7r8c7r8c8|13,r6c8r7c8|13,r8c0r8c1|12,r8c2r8c3r8c4|7,r8c5r8c6", "solution": "482376591935821647167945283593687412218453976746192835354768129821539764679214358", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4245, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4246, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-10-03", "puzzle": "15,r0c4r0c5r0c6|9,r0c0r1c0|12,r0c1r0c2r1c1r1c2|16,r0c3r1c3r2c3|10,r1c5r1c6|25,r0c7r0c8r1c7r1c8|24,r2c0r2c1r2c2|8,r1c4r2c4|16,r2c5r2c6r3c6|9,r2c7r3c7|4,r3c1r3c2|29,r3c3r3c4r3c5r4c5r5c5|6,r2c8r3c8r4c8|12,r4c1r4c2|16,r4c3r4c4r5c3r5c4|15,r4c6r4c7|20,r3c0r4c0r5c0r5c1|15,r5c6r5c7r5c8|28,r6c0r6c1r7c1r7c2r8c2|22,r5c2r6c2r6c3|5,r6c4r7c4|16,r6c5r7c5|16,r7c3r8c3r8c4r8c5|11,r6c6r7c6r8c6|21,r6c7r6c8r7c7r7c8|12,r7c0r8c0r8c1|13,r8c7r8c8", "solution": "312965478654378219897412653531796842748253961269184537475839126186527394923641785", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4246, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4247, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-10-03", "puzzle": "15,r0c0r0c1r1c0|11,r0c2r0c3|12,r0c4r0c5r0c6|11,r0c7r0c8|14,r1c5r1c6r2c6|14,r1c7r1c8|11,r1c1r1c2r2c1|11,r1c4r2c4|13,r2c0r3c0|30,r1c3r2c2r2c3r3c1r3c2r3c3|11,r2c5r3c5r3c6|24,r2c7r2c8r3c7r3c8|12,r4c1r4c2|10,r4c7r4c8r5c8|13,r4c0r5c0r6c0|30,r3c4r4c3r4c4r4c5r5c4r5c5|17,r4c6r5c6r5c7|11,r5c1r6c1r6c2|18,r5c2r5c3r6c3|18,r6c4r6c5r7c5|12,r6c6r6c7r7c6|15,r7c4r8c4r8c5|9,r7c0r8c0|13,r7c1r8c1|17,r7c2r7c3r8c2r8c3|33,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "659283174431579268872641395517932846384716952926458713163895427795324681248167539", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4247, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4249, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-10-03", "puzzle": "18,r0c5r0c6r1c5r2c5|6,r0c7r0c8|9,r0c0r1c0|23,r0c1r0c2r0c3r1c1|9,r1c2r1c3|8,r0c4r1c4|0,r1c6r1c7|6,r2c0r2c1|8,r2c6r2c7|0,r1c8r2c8|0,r3c0r3c1|17,r2c2r3c2|8,r2c3r3c3|13,r2c4r3c4|15,r3c6r3c7r4c6r4c7|11,r4c0r5c0|24,r3c5r4c3r4c4r4c5r5c3|0,r3c8r4c8|0,r4c1r4c2r5c1r5c2|13,r5c4r6c4|11,r5c5r6c5|0,r5c6r6c6|0,r5c7r5c8|13,r6c0r7c0|10,r6c1r6c2|6,r6c7r6c8|15,r7c1r7c2|0,r7c4r8c4|10,r7c5r7c6|0,r7c7r8c5r8c6r8c7|7,r7c8r8c8|0,r8c0r8c1|0,r6c3r7c3r8c2r8c3", "solution": "381976542657214938429583716768351429934627185215849367873492651596138274142765893", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4249, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4250, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-10-04", "puzzle": "16,r0c3r0c4r1c3|5,r0c5r0c6|12,r0c0r1c0|8,r0c1r1c1|8,r0c2r1c2|13,r1c4r2c4|17,r0c7r1c6r1c7|16,r0c8r1c8|16,r2c0r2c1|4,r2c2r2c3|9,r1c5r2c5|7,r2c6r2c7|6,r3c0r3c1|12,r3c2r3c3|5,r3c6r3c7|10,r2c8r3c8|9,r4c0r4c1r4c2|3,r4c3r5c3|22,r3c4r4c4r5c4|13,r3c5r4c5|21,r4c6r4c7r4c8|13,r5c0r6c0|16,r5c1r5c2|7,r5c5r5c6|9,r5c7r5c8|7,r6c1r6c2|15,r6c3r7c3|11,r6c5r6c6|11,r6c7r6c8|3,r7c0r8c0|19,r7c1r7c2r8c1|5,r6c4r7c4|12,r7c6r8c6|5,r7c7r8c7|11,r7c8r8c8|15,r8c2r8c3|14,r7c5r8c4r8c5", "solution": "865924137423571869971368254518497326342186975697253481734815692286749513159632748", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4250, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4252, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-10-04", "puzzle": 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"15,r0c0r0c1r0c2|14,r0c5r0c6|23,r1c0r1c1r1c2|6,r0c3r1c3|16,r0c4r1c4|3,r1c5r1c6|8,r0c7r0c8r1c7|7,r2c0r2c1r2c2|8,r2c3r2c4|4,r3c3r3c4|22,r2c5r2c6r3c5|14,r2c7r3c7|21,r1c8r2c8r3c8|5,r3c0r4c0|15,r3c1r4c1|13,r3c2r4c2r5c2|23,r4c3r4c4r4c5|9,r3c6r4c6r5c6|9,r4c7r5c7|12,r4c8r5c8|24,r5c0r6c0r7c0|7,r5c1r6c1|20,r5c3r6c2r6c3|6,r5c4r5c5|3,r6c4r6c5|16,r6c6r6c7r6c8|13,r7c1r8c0r8c1|12,r7c2r7c3|12,r7c4r8c4|8,r7c5r8c5|10,r7c6r7c7r7c8|8,r8c2r8c3|19,r8c6r8c7r8c8", "solution": "357298641698471235214356987482137569175869324936524178749612853863945712521783496", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4260, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4261, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-10-06", "puzzle": "19,r0c2r0c3r0c4r0c5r0c6|15,r0c0r0c1r1c0|6,r1c4r2c4|22,r0c7r0c8r1c8|17,r1c1r2c0r2c1r3c0|24,r1c2r1c3r2c2|17,r1c5r1c6r2c6|20,r1c7r2c7r2c8r3c8|13,r3c1r3c2r4c2|5,r2c3r3c3|16,r2c5r3c5|10,r3c6r3c7r4c6|20,r4c0r4c1r5c0r5c1|18,r4c3r5c3r6c3|17,r3c4r4c4r5c4|9,r4c5r5c5r6c5|20,r4c7r4c8r5c7r5c8|14,r5c2r6c1r6c2|17,r5c6r6c6r6c7|20,r6c0r7c0r8c0|8,r7c1r7c2|17,r7c6r7c7|9,r6c8r7c8r8c8|7,r8c1r8c2|7,r7c3r8c3|18,r6c4r7c4r8c4|12,r7c5r8c5|8,r8c6r8c7", "solution": "385742196419856327267319854856237419792461538134985672628593741571624983943178265", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4261, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4262, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-10-06", "puzzle": 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"9,r0c0r0c1|22,r0c3r0c4r1c3|19,r0c2r1c1r1c2|10,r0c5r1c4r1c5|10,r0c6r1c6r2c6|17,r0c7r0c8r1c7|20,r1c0r2c0r3c0|5,r2c1r2c2|18,r1c8r2c7r2c8|8,r3c1r3c2|10,r2c3r3c3|6,r2c4r2c5r3c4|14,r3c5r4c5|16,r3c7r3c8|18,r4c2r4c3r5c3|7,r3c6r4c6|7,r4c0r4c1r5c0|10,r4c4r5c4|17,r5c5r5c6|11,r4c7r5c7|3,r4c8r5c8|5,r6c0r7c0|14,r5c1r6c1|13,r5c2r6c2|21,r6c4r6c5r6c6|7,r6c7r6c8r7c7|17,r6c3r7c2r7c3|18,r7c4r7c5r7c6|15,r7c8r8c8|17,r7c1r8c0r8c1|5,r8c2r8c3|8,r8c4r8c5|8,r8c6r8c7", "solution": "638791245792645183541823796853216479429578361167439852286357914315984627974162538", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4300, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4302, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-10-14", "puzzle": 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"15,r0c0r0c1r1c0|5,r0c2r0c3|15,r0c4r0c5|11,r0c6r0c7r0c8|10,r1c1r1c2|10,r1c3r1c4|16,r1c5r1c6r1c7|16,r2c0r2c1r2c2|17,r2c5r2c6r2c7|21,r1c8r2c8r3c8|20,r3c1r4c1r5c1|16,r2c3r2c4r3c3|8,r3c4r3c5|9,r3c6r3c7|12,r3c2r4c2r5c2|6,r4c3r4c4|11,r4c5r4c6|15,r4c7r4c8|13,r3c0r4c0r5c0|22,r5c3r6c3r6c4|8,r5c4r5c5|6,r5c6r5c7|19,r6c0r6c1r6c2|11,r6c5r6c6r6c7|9,r5c8r6c8r7c8|3,r7c1r7c2|16,r7c3r7c4|15,r7c5r7c6r7c7|20,r7c0r8c0r8c1|5,r8c2r8c3|10,r8c4r8c5|15,r8c6r8c7r8c8", "solution": "954178263137642958628359714245817639391426587876935421469581372512793846783264195", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4305, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4306, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-10-15", "puzzle": "6,r0c5r0c6|9,r0c7r0c8r1c8|18,r0c0r0c1r1c0r1c1|16,r0c2r0c3r1c2|15,r0c4r1c4|18,r1c5r1c6r1c7|17,r2c0r2c1r3c0|12,r2c6r2c7|45,r1c3r2c2r2c3r2c4r2c5r3c1r3c2r4c2r5c2|15,r3c3r3c4r4c3|14,r2c8r3c8|8,r4c0r4c1|14,r3c7r4c6r4c7r4c8|30,r3c5r3c6r4c4r4c5r5c3r5c4r6c3|26,r5c5r5c6r6c5r6c6|22,r5c7r5c8r6c7|12,r5c0r6c0|11,r5c1r6c1r7c1|11,r6c2r7c2|15,r6c4r7c3r7c4r8c4|18,r7c0r8c0r8c1|9,r8c2r8c3|15,r7c5r7c6r8c5|29,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "658794231341862795792531846167923458539487612824156379415278963986345127273619584", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4306, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4307, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-10-15", "puzzle": "24,r0c1r0c2r0c3r1c1|17,r0c5r0c6r0c7|4,r0c0r1c0|26,r0c4r1c3r1c4r2c3|5,r1c5r1c6|21,r0c8r1c7r1c8r2c8|9,r2c0r2c1|10,r1c2r2c2|10,r2c5r2c6r3c6|14,r3c0r3c1|18,r2c4r3c4r3c5|10,r2c7r3c7r3c8|15,r4c0r4c1|8,r3c2r4c2r5c2|17,r3c3r4c3r5c3|24,r4c4r4c5r4c6r4c7r4c8|8,r5c0r5c1|14,r5c4r5c5r6c4|15,r5c7r5c8r6c7|10,r6c0r6c1|14,r6c2r7c2|20,r5c6r6c5r6c6|10,r7c0r8c0|17,r6c3r7c3r7c4r8c4|11,r7c5r7c6|19,r6c8r7c7r7c8r8c8|20,r7c1r8c1r8c2r8c3|15,r8c5r8c6r8c7", "solution": "176283594392654187548791362954827613781536429263419875829145736615372948437968251", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4307, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4308, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-10-15", "puzzle": "6,r0c0r0c1|24,r0c2r0c3r0c4r0c5r1c4|11,r0c6r0c7|19,r1c1r1c2r1c3r2c2|0,r1c5r1c6|16,r0c8r1c8|0,r1c0r2c0r2c1|17,r2c5r2c6|0,r1c7r2c7r2c8r3c8|11,r2c3r2c4r3c3|0,r3c4r3c5r3c6|30,r3c0r3c1r4c0r4c1r5c0r5c1|17,r4c3r4c4|10,r4c5r4c6|18,r3c7r4c7r4c8r5c7|15,r3c2r4c2r5c2|0,r5c3r6c3r6c4|6,r5c4r5c5r5c6|15,r6c0r6c1r7c0|15,r6c5r6c6|0,r5c8r6c7r6c8r7c7|0,r6c2r7c1r7c2r7c3|0,r7c5r7c6|12,r7c8r8c8|10,r8c0r8c1|0,r7c4r8c2r8c3r8c4r8c5|14,r8c6r8c7", "solution": "421837659869154237753269841142375986375986412698421375514698723937542168286713594", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4308, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4309, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-10-15", "puzzle": 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"6,r0c2r0c3|15,r0c4r0c5|16,r0c6r0c7r0c8|16,r0c0r0c1r1c0|17,r1c1r1c2r2c2|11,r1c3r2c3|9,r1c4r1c5r2c4|7,r1c6r1c7r1c8|20,r2c5r2c6r3c5|15,r2c7r2c8|15,r2c0r2c1r3c0|16,r3c1r3c2r4c1|9,r3c3r3c4|21,r3c6r3c7r4c6|7,r4c0r5c0|12,r4c3r4c4r4c5|4,r3c8r4c8|15,r4c2r5c1r5c2|11,r5c4r5c5|18,r4c7r5c6r5c7|14,r5c8r6c7r6c8|10,r6c0r6c1|15,r5c3r6c2r6c3|16,r7c0r7c1r7c2|15,r6c4r7c3r7c4|11,r6c5r7c5|11,r6c6r7c6r7c7|20,r7c8r8c7r8c8|18,r8c0r8c1r8c2|9,r8c3r8c4|6,r8c5r8c6", "solution": "174296385896753124532418796728365941465921873319847562281639457943572618657184239", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4315, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4316, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-10-17", "puzzle": "17,r0c0r0c1r1c0|7,r0c3r0c4|15,r0c5r0c6|18,r0c2r1c1r1c2|10,r1c3r1c4|35,r1c5r1c6r2c6r2c7r3c7|10,r0c7r0c8r1c7r1c8|6,r2c0r2c1r3c1|17,r2c2r2c3r3c3|6,r2c5r3c5r3c6|14,r2c8r3c8|15,r3c0r4c0r4c1|21,r3c2r4c2r4c3|21,r2c4r3c4r4c4r4c5r4c6|8,r4c7r5c7|11,r4c8r5c8|13,r5c0r5c1|21,r5c5r5c6r6c6|18,r5c2r5c3r6c2r6c3|10,r5c4r6c4r6c5|14,r6c7r6c8r7c7|10,r7c3r8c3|15,r7c5r7c6r8c6|16,r7c8r8c7r8c8|42,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|15,r7c4r8c4r8c5", "solution": "396258741548197632127463589834672195259841367671539824783925416965314278412786953", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4316, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4317, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-10-17", "puzzle": 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"29,r0c0r0c1r0c2r0c3r1c0r1c1|0,r0c4r0c5|23,r0c6r0c7r0c8r1c7r1c8|20,r1c2r1c3r2c3|6,r1c4r1c5|4,r2c1r2c2|0,r2c4r2c5|8,r1c6r2c6|0,r2c0r3c0|0,r3c1r3c2|26,r3c3r3c4r4c3r4c4r4c5|12,r3c5r3c6|20,r2c7r2c8r3c7|0,r4c0r4c1|4,r4c6r4c7|10,r3c8r4c8|21,r4c2r5c1r5c2r6c1|0,r5c4r5c5r5c6|0,r5c0r6c0|0,r5c3r6c2r6c3|11,r6c5r6c6|0,r5c7r5c8r6c7r6c8|28,r7c0r7c1r7c2r8c2|0,r6c4r7c3r7c4|3,r8c0r8c1|0,r8c3r8c4|13,r7c5r7c6r8c5|20,r7c7r8c6r8c7|7,r7c8r8c8", "solution": "592368714467951283831472695145723968976845132328619547653187429784296351219534876", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4318, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4319, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-10-17", "puzzle": "8,r0c1r0c2|22,r0c3r0c4r0c5|10,r0c6r0c7|12,r0c0r1c0|0,r1c1r1c2|8,r1c6r1c7|9,r0c8r1c8|0,r2c0r2c1|0,r1c3r2c2r2c3|0,r1c4r2c4r3c4|11,r1c5r2c5r2c6|0,r2c7r2c8|5,r3c2r3c3|0,r3c5r3c6|12,r3c0r4c0|10,r3c1r4c1|11,r4c2r4c3|11,r4c5r4c6|0,r3c7r4c7|15,r3c8r4c8|17,r5c0r5c1|13,r4c4r5c4|12,r5c7r5c8|12,r5c2r6c1r6c2|0,r5c3r5c5r6c3r6c4r6c5|0,r5c6r6c6r6c7|0,r6c0r7c0r7c1r8c0|9,r7c2r7c3|10,r7c5r7c6|0,r6c8r7c7r7c8r8c8|17,r8c1r8c2r8c3|12,r7c4r8c4|17,r8c5r8c6r8c7", "solution": "317859642986124537425736198763215489542978316891463275138692754274581963659347821", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4319, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4320, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-10-18", "puzzle": "8,r0c1r0c2|14,r0c3r0c4r0c5|13,r0c6r1c6r1c7|12,r0c7r0c8r1c8|17,r0c0r1c0r2c0|19,r1c1r1c2r2c1|17,r1c3r2c2r2c3|10,r1c4r1c5r2c4|14,r2c5r2c6|9,r3c2r3c3|18,r2c7r2c8r3c7|5,r3c8r4c8|8,r3c0r3c1r4c0|17,r3c4r4c4|21,r3c5r3c6r4c5|10,r4c6r4c7|18,r4c1r5c0r5c1|15,r4c2r5c2|4,r4c3r5c3|6,r5c5r6c5|14,r5c7r5c8|3,r6c1r6c2|17,r5c4r6c3r6c4|4,r5c6r6c6|14,r6c0r7c0r8c0|11,r7c1r7c2|14,r7c3r7c4r7c5|9,r7c6r8c6|17,r6c7r7c7|7,r6c8r7c8|17,r8c1r8c2|14,r8c3r8c4r8c5|9,r8c7r8c8", "solution": "953428617687913524241765938124596873539187462876342159712854396465239781398671245", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4320, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4321, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-10-18", "puzzle": "13,r0c0r0c1r0c2|11,r0c3r0c4|12,r1c2r1c3r1c4|18,r0c5r0c6r1c5|13,r0c7r1c7|4,r0c8r1c8|16,r1c0r2c0|15,r1c1r2c1r2c2|10,r1c6r2c6|11,r2c7r2c8|5,r3c0r3c1|14,r2c3r3c3r4c3|36,r2c4r2c5r3c5r3c6r3c7r3c8r4c8|22,r3c2r4c1r4c2|18,r3c4r4c4r4c5|5,r4c6r4c7|18,r4c0r5c0r5c1r5c2|13,r5c3r5c4|9,r5c7r5c8|19,r6c1r7c1r8c1|12,r6c2r6c3r6c4|8,r5c5r6c5|15,r5c6r6c6|11,r7c2r7c3|7,r7c4r7c5|12,r7c6r7c7r8c6|12,r6c7r6c8r7c8|10,r6c0r7c0r8c0|12,r8c2r8c3|12,r8c4r8c5|12,r8c7r8c8", "solution": "562389741741652893938714265419276538276538419853941672385167924197425386624893157", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4321, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4322, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-10-18", "puzzle": "9,r0c1r0c2|19,r0c4r0c5r0c6|11,r0c0r1c0|12,r1c1r1c2|3,r0c3r1c3|10,r1c5r2c5|30,r0c7r0c8r1c6r1c7r1c8r2c6r2c7|23,r2c1r2c2r2c3r3c1r3c3|14,r1c4r2c4|16,r2c0r3c0r4c0r5c0|20,r3c4r3c5r4c4r4c5|9,r3c6r3c7|18,r2c8r3c8r4c8|11,r4c6r4c7|31,r3c2r4c1r4c2r4c3r5c1|8,r5c7r5c8|11,r6c0r6c1|22,r5c2r5c3r6c2r6c3|24,r5c5r5c6r6c6r7c5r7c6|11,r6c7r7c7|6,r6c8r7c8|9,r7c2r8c2|24,r5c4r6c4r6c5r7c3r7c4|18,r7c0r7c1r8c0r8c1|25,r8c3r8c4r8c5r8c6|11,r8c7r8c8", "solution": "581246973639157842472893156714529368365781294298364517927435681846912735153678429", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4322, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4325, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-10-19", "puzzle": 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"17,r0c3r0c4r0c5|16,r0c6r0c7r1c7|4,r0c0r1c0|17,r0c1r0c2r1c1|7,r1c3r1c4r2c3|11,r0c8r1c8|18,r1c2r2c1r2c2|23,r1c5r1c6r2c6|9,r2c0r3c0r3c1|15,r3c2r3c3|9,r2c4r3c4|10,r2c5r3c5|9,r2c7r3c7|6,r2c8r3c8|9,r4c0r5c0|8,r4c5r5c5r6c5|11,r3c6r4c6|4,r4c7r4c8|13,r4c1r5c1|12,r4c2r5c2|23,r4c3r4c4r5c3|15,r5c8r6c8|12,r6c0r6c1|7,r6c2r6c3|5,r5c4r6c4|16,r5c6r5c7r6c6|12,r7c0r7c1|12,r7c2r7c3r7c4|8,r7c5r7c6r8c6|23,r6c7r7c7r7c8|18,r8c0r8c1r8c2|20,r8c3r8c4r8c5|6,r8c7r8c8", "solution": "127386459385419672694257831218743965479865213563921748841632597752194386936578124", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4340, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4341, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-10-22", "puzzle": 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"15,r0c0r0c1r1c0r2c0|0,r0c3r0c4|13,r0c5r0c6|0,r0c2r1c1r1c2|3,r1c3r1c4|0,r1c5r1c6|15,r0c7r0c8r1c7r1c8|14,r2c1r2c2|9,r2c3r2c4|0,r2c5r2c6r3c6|0,r2c7r3c7|6,r2c8r3c8|0,r3c1r3c2|21,r3c0r4c0r4c1r5c1|3,r4c2r4c3|36,r3c3r3c4r3c5r4c4r4c5r5c5|0,r4c6r5c6|0,r4c7r5c7|0,r4c8r5c8|18,r5c2r5c3r6c3|7,r5c4r6c4|16,r5c0r6c0|0,r6c6r7c6|0,r6c7r6c8r7c7|22,r6c1r6c2r7c1r7c2|0,r7c3r7c4r8c4r8c5|8,r6c5r7c5|0,r7c8r8c6r8c7r8c8|14,r7c0r8c0r8c1|10,r8c2r8c3", "solution": "143798526876125934259364781427689315631257498985431267718942653394516872562873149", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4348, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4349, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-10-23", "puzzle": 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"0,r0c4r1c3r1c4r1c5|18,r0c0r0c1r1c0r1c1r2c0|15,r0c2r0c3r1c2|18,r0c5r0c6r1c6|26,r0c7r0c8r1c7r1c8r2c8|14,r2c1r2c2|0,r2c6r2c7|0,r3c0r3c1|8,r2c3r3c3|0,r2c4r3c4|17,r2c5r3c5|12,r3c7r3c8|0,r4c0r4c1r5c0|0,r3c2r4c2r4c3|0,r3c6r4c5r4c6|10,r4c7r4c8r5c8|20,r4c4r5c4r6c4|0,r5c1r6c1|21,r5c2r6c2r7c2r8c2|24,r5c3r6c3r7c3r8c3|15,r5c5r6c5r7c5r8c5|0,r5c6r6c6r7c6r8c6|8,r5c7r6c7|6,r6c0r7c0|13,r6c8r7c8|0,r7c1r8c0r8c1|0,r7c4r8c4|14,r7c7r8c7r8c8", "solution": "314267589759481632268539174641328957832795416975146823183974265597612348426853791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4354, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4355, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-10-25", "puzzle": 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"13,r0c0r0c1|14,r0c2r0c3r1c3|9,r0c5r0c6r1c5|8,r0c7r0c8|20,r1c0r1c1r2c0r2c1r3c1|13,r0c4r1c4|28,r1c7r1c8r2c7r2c8r3c7|12,r1c2r2c2|19,r2c3r2c4r2c5|10,r1c6r2c6|10,r3c2r3c3|10,r3c5r3c6|10,r3c0r4c0r4c1|9,r4c2r4c3|8,r3c4r4c4|16,r4c5r4c6|16,r3c8r4c7r4c8|30,r5c1r5c2r5c3r5c4r5c5r5c6r5c7|15,r5c0r6c0r7c0|7,r6c2r6c3|12,r6c5r6c6|15,r5c8r6c8r7c8|12,r6c1r7c1|11,r7c2r7c3r8c2|14,r7c5r7c6r8c6|13,r6c7r7c7|12,r8c0r8c1|31,r6c4r7c4r8c3r8c4r8c5|8,r8c7r8c8", "solution": "854392617623741859719658234342869175165427983987513426296135748438276591571984362", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4357, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4358, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-10-25", "puzzle": 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"14,r0c0r0c1r1c1|15,r0c3r0c4|12,r0c5r0c6|9,r0c2r1c2|10,r1c3r1c4|9,r1c5r1c6|9,r0c7r1c7|8,r0c8r1c8|6,r1c0r2c0|16,r2c1r2c2|10,r2c3r2c4|16,r2c5r2c6r2c7|3,r3c2r3c3|10,r3c4r3c5|17,r3c6r3c7|6,r2c8r3c8|18,r3c0r3c1r4c0|9,r4c1r4c2|13,r4c3r4c4r4c5|8,r4c6r4c7|11,r4c8r5c7r5c8|16,r5c0r6c0|8,r5c1r5c2|12,r5c3r5c4|12,r5c5r5c6|17,r6c1r6c2r6c3|8,r6c4r6c5|4,r6c6r6c7|17,r6c8r7c8|7,r7c0r8c0|5,r7c1r8c1|5,r7c2r7c3|12,r7c4r7c5|7,r7c6r8c6|17,r8c2r8c3|12,r8c4r8c5|17,r7c7r8c7r8c8", "solution": "516783942483912756297645381371264895845391627962578413758426139624139578139857264", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4360, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4361, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-10-26", "puzzle": 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"12,r0c2r0c3|5,r0c6r1c6|10,r0c7r0c8r1c8|7,r0c0r1c0|24,r0c1r1c1r1c2|12,r1c3r2c3|6,r0c4r1c4r2c4|15,r0c5r1c5|5,r2c0r2c1|12,r2c5r2c6|22,r1c7r2c7r2c8|10,r3c0r4c0|13,r2c2r3c2r3c3|8,r3c4r3c5|14,r3c7r3c8|9,r3c1r4c1|9,r4c2r5c2|22,r4c3r4c4r4c5|11,r3c6r4c6|6,r4c7r5c7|10,r5c0r5c1|12,r5c3r5c4|15,r5c5r5c6r6c6|7,r4c8r5c8|16,r6c0r6c1r7c1|11,r6c2r6c3|3,r6c7r6c8|11,r7c3r8c3|17,r6c4r7c4r8c4|13,r6c5r7c5|17,r7c6r7c7r8c7|16,r7c8r8c8|18,r7c0r8c0r8c1|3,r7c2r8c2|4,r8c5r8c6", "solution": "674829135189536472325714896247153968853697214916482753498375621731268549562941387", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4415, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4416, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-11-06", "puzzle": 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"0,r0c0r0c1r1c0r1c1|17,r0c4r0c5r1c5|7,r0c6r0c7|0,r1c6r1c7|0,r0c8r1c8|0,r1c3r2c3|6,r1c4r2c4|0,r2c6r2c7|30,r0c2r0c3r1c2r2c0r2c1r2c2r3c0|10,r3c1r3c2|20,r2c5r3c5r4c5|3,r3c6r4c6|18,r2c8r3c8r4c8|12,r4c1r4c2|0,r3c3r3c4r4c3r4c4|13,r3c7r4c7|0,r4c0r5c0r5c1|19,r5c2r5c3r5c4|12,r5c7r5c8|11,r6c3r6c4|18,r5c5r5c6r6c5r6c6|0,r6c0r7c0|9,r6c1r7c1|4,r6c2r7c2|14,r7c3r7c4|42,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|15,r8c0r8c1|0,r8c2r8c3r8c4|9,r7c5r8c5", "solution": "678195432194823567325647918782369154539714286416582793851476329243958671967231845", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4419, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4418, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-11-06", "puzzle": 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"6,r0c2r0c3r0c4|19,r0c0r0c1r1c0|20,r1c1r1c2r1c3|18,r0c5r1c4r1c5|7,r0c6r1c6|14,r0c7r1c7|8,r0c8r1c8r2c8|8,r2c0r3c0|9,r2c3r2c4|20,r2c5r2c6r2c7|14,r2c1r3c1|8,r2c2r3c2|14,r3c4r3c5r3c6|11,r3c7r3c8|16,r4c0r4c1r4c2|16,r3c3r4c3r5c3|10,r4c4r4c5|14,r4c6r4c7r4c8|3,r5c1r6c1|13,r5c2r6c2|14,r5c4r5c5r5c6|11,r5c7r5c8|12,r5c0r6c0|7,r6c3r6c4|16,r6c5r6c6r6c7|10,r7c0r8c0r8c1|22,r7c1r7c2r7c3|8,r7c4r7c5r8c5|13,r7c6r8c6|6,r7c7r8c7|19,r6c8r7c8r8c8|19,r8c2r8c3r8c4", "solution": "981237465247965381356184972592416738763528194418793256825349617179652843634871529", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4420, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4421, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-11-07", "puzzle": "24,r0c0r0c1r0c2r1c0r2c0|11,r0c3r0c4|10,r0c7r0c8|23,r0c5r0c6r1c4r1c5|13,r1c6r1c7|45,r1c1r1c2r1c3r2c1r2c2r2c3r3c1r3c2r3c3|12,r2c5r2c6r2c7|11,r1c8r2c8|10,r3c0r4c0|7,r2c4r3c4|14,r4c2r4c3|9,r3c6r4c6|8,r3c7r4c7|12,r3c8r4c8|16,r4c1r5c0r5c1r6c0|11,r5c2r6c2r7c2|22,r3c5r4c4r4c5r5c3r5c4|26,r5c5r5c6r6c5r6c6|10,r6c1r7c1|15,r6c3r6c4|15,r5c7r6c7|6,r5c8r6c8|9,r7c0r8c0|11,r7c3r7c4|9,r7c5r7c6|15,r8c1r8c2|5,r8c3r8c4|5,r8c5r8c6|21,r7c7r7c8r8c7r8c8", "solution": "653479128217358946894612735385261479726894513941537862132785694478926351569143287", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4421, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4422, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-11-07", "puzzle": 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"0,r0c2r0c3|0,r0c6r1c6|11,r0c7r0c8|0,r0c0r0c1r1c0r1c1|0,r0c4r0c5r1c3r1c4r1c5|21,r1c2r2c1r2c2|5,r2c3r2c4|7,r1c7r1c8r2c7|16,r2c0r3c0|17,r3c3r3c4r4c3r4c4|15,r2c5r3c5|0,r2c6r3c6|0,r3c7r4c7|0,r2c8r3c8|0,r3c1r4c0r4c1r5c0r5c1|8,r3c2r4c2|26,r4c5r4c6r5c4r5c5r6c4|15,r5c2r5c3|0,r4c8r5c7r5c8|11,r6c0r6c1|0,r6c2r6c3|6,r5c6r6c5r6c6|15,r7c1r7c2r8c1|10,r7c3r7c4|12,r6c7r7c6r7c7|14,r7c0r8c0|6,r8c2r8c3|16,r7c5r8c4r8c5|31,r6c8r7c8r8c6r8c7r8c8", "solution": "125746983368519742794238516931867425547123698286954371473681259859372164612495837", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4424, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4426, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-11-08", "puzzle": "18,r0c0r0c1r1c1r2c1|19,r0c4r0c5r0c6|7,r0c7r0c8|9,r0c2r1c2|16,r0c3r1c3r2c3r3c3|13,r1c4r1c5|11,r1c7r1c8|11,r1c0r2c0|11,r3c0r3c1|8,r2c2r3c2|4,r2c5r3c5|17,r1c6r2c6r3c6|18,r2c7r3c7r4c7|15,r2c8r3c8r4c8|10,r4c2r4c3|11,r4c5r4c6|18,r4c0r5c0r6c0|10,r4c1r5c1r6c1|20,r5c2r6c2r7c2|15,r5c3r6c3|20,r2c4r3c4r4c4r5c4r6c4|7,r5c6r6c6|6,r5c7r5c8|15,r6c8r7c8|8,r7c0r7c1|15,r7c3r7c4|23,r5c5r6c5r7c5r8c5|11,r7c6r8c6|14,r8c0r8c1|7,r8c2r8c3r8c4|18,r6c7r7c7r8c7r8c8", "solution": "295384716314576892867291435741623589926458371538719624459832167173965248682147953", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4426, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4427, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-11-08", "puzzle": 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"16,r0c3r0c4r0c5|8,r0c0r1c0|13,r0c1r0c2r1c1|10,r1c2r1c3|17,r1c5r1c6|10,r0c6r0c7r1c7|13,r0c8r1c8|12,r2c0r2c1|17,r2c2r2c3|4,r1c4r2c4|12,r2c6r2c7r3c6|13,r3c0r3c1|11,r3c3r3c4|5,r2c5r3c5|8,r2c8r3c8r4c8|6,r4c1r5c1|7,r3c2r4c2|23,r4c3r4c4r4c5|15,r4c6r5c6|14,r3c7r4c7|19,r4c0r5c0r6c0|3,r5c3r6c3|7,r5c4r5c5|9,r5c7r5c8|15,r5c2r6c1r6c2|11,r6c4r7c4|5,r6c5r6c6|17,r6c7r6c8|5,r7c0r8c0|16,r7c1r8c1r8c2|16,r7c2r7c3|7,r7c5r7c6|12,r7c7r8c6r8c7|9,r7c8r8c8|20,r8c3r8c4r8c5", "solution": "693547128214638975578912643856473291321896754947125836735261489189754362462389517", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4425, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4428, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-11-08", "puzzle": "8,r0c0r0c1|17,r0c2r0c3r0c4|0,r1c0r1c1r2c0|5,r1c2r1c3|0,r0c5r1c5|0,r0c6r0c7r1c6|15,r0c8r1c8r2c8|0,r2c1r2c2r2c3|13,r1c4r2c4|0,r1c7r2c7|10,r3c0r3c1|11,r2c5r3c5|24,r2c6r3c6r3c7r3c8|0,r4c0r4c1|5,r3c2r4c2|11,r3c3r4c3|15,r3c4r4c4r5c4|8,r4c5r5c5|0,r4c6r5c6|5,r4c7r4c8|25,r5c0r5c1r5c2r6c2|9,r5c3r6c3|12,r5c7r5c8|7,r6c1r7c1|0,r6c4r7c4|16,r6c5r6c6r6c7|0,r6c0r7c0r8c0|14,r7c2r8c1r8c2|0,r7c3r8c3|6,r7c5r7c6|10,r6c8r7c7r7c8|12,r8c4r8c5r8c6|0,r8c7r8c8", "solution": "175934286493268715286175394821346957754891632639527148367489521918752463542613879", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4428, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4429, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-11-08", "puzzle": "25,r0c2r0c3r0c4r1c2|0,r0c5r0c6r0c7|0,r0c0r1c0r2c0|7,r0c1r1c1|4,r1c3r1c4|20,r0c8r1c7r1c8r2c8|20,r2c1r2c2r2c3|13,r1c5r2c5|0,r1c6r2c6r2c7|6,r3c0r3c1|8,r3c2r3c3|0,r2c4r3c4|15,r3c5r3c6|12,r3c7r3c8|0,r4c0r4c1|32,r4c2r4c3r4c4r4c5r4c6r4c7r4c8|15,r5c0r5c1|0,r5c2r5c3|14,r5c4r6c4|0,r5c5r5c6|9,r5c7r5c8|19,r6c1r6c2r6c3|7,r6c5r7c5|0,r6c6r6c7r7c6|23,r6c0r7c0r8c0|0,r7c1r8c1|0,r7c3r7c4|14,r6c8r7c7r7c8r8c8|0,r7c2r8c2r8c3r8c4|16,r8c5r8c6r8c7", "solution": "318769452264315798579428361152647839496583127783192645637951284845276913921834576", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4429, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4430, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-11-09", "puzzle": "6,r0c5r0c6|10,r0c7r0c8|7,r0c0r1c0|23,r0c1r0c2r1c1|8,r0c3r1c3|5,r0c4r1c4|18,r1c5r1c6r2c6|16,r1c7r1c8r2c7|14,r1c2r2c1r2c2|6,r2c0r3c0|9,r3c1r3c2|6,r2c3r3c3|15,r2c4r2c5r3c4|24,r2c8r3c7r3c8|8,r4c0r4c1|21,r4c2r4c3r4c4|14,r3c5r4c5r5c5|19,r3c6r4c6r5c6|7,r4c7r4c8|17,r5c0r6c0|11,r5c1r5c2|14,r5c3r6c3|14,r5c4r6c4r6c5|10,r5c7r5c8r6c8|14,r6c1r6c2r7c2|8,r7c0r8c0|14,r7c1r8c1r8c2|8,r7c3r8c3|13,r7c4r8c4|9,r6c6r7c5r7c6|15,r6c7r7c7r7c8|14,r8c5r8c6|8,r8c7r8c8", "solution": "389725164467139258125468739536214987714983625892657413951872346678341592243596871", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4430, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4431, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-11-09", "puzzle": "15,r0c0r0c1|8,r0c2r0c3|10,r0c5r0c6r1c5|17,r1c0r1c1r2c0|22,r1c2r1c3r2c3r3c3|13,r0c4r1c4|10,r0c7r1c7|3,r0c8r1c8|11,r2c2r3c2|13,r2c4r2c5|10,r1c6r2c6|3,r2c1r3c1|14,r3c5r3c6r4c6|14,r2c7r3c7|26,r2c8r3c8r4c7r4c8r5c8|28,r3c4r4c3r4c4r4c5r5c4|26,r3c0r4c0r4c1r5c0r6c0|9,r5c1r6c1|8,r4c2r5c2r5c3|10,r5c7r6c7|13,r6c2r7c2|8,r6c3r6c4|17,r5c6r6c6|8,r7c0r8c0|12,r7c1r8c1|9,r7c4r8c4|19,r5c5r6c5r7c5r7c6|21,r6c8r7c7r7c8|16,r7c3r8c2r8c3|6,r8c5r8c6|6,r8c7r8c8", "solution": "967183542483952761512476398829647153371598624654321879248715936135269487796834215", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4431, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4433, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-11-09", "puzzle": "22,r0c3r0c4r0c5|0,r0c0r1c0|0,r0c1r0c2r1c1|15,r1c3r1c4r1c5|7,r0c6r0c7r1c7|0,r0c8r1c8|0,r2c0r2c1|22,r1c2r2c2r2c3r3c3|25,r1c6r2c5r2c6r3c5|0,r2c7r2c8|0,r2c4r3c4|0,r3c0r3c1r4c0r4c1|12,r3c2r4c2|17,r4c3r5c3|0,r4c5r5c5|8,r3c6r4c6|19,r3c7r3c8r4c7r4c8|10,r5c0r5c1|27,r4c4r5c4r6c4r7c4|9,r5c7r5c8|9,r6c0r6c1|3,r5c2r6c2|12,r5c6r6c6|0,r6c7r6c8|22,r7c0r7c1r8c0|14,r6c3r7c2r7c3|15,r6c5r7c5r7c6|0,r7c7r7c8r8c8|0,r8c1r8c2|6,r8c3r8c4r8c5|0,r8c6r8c7", "solution": "815679243437258619269134875694527138158943762372861954721485396583796421946312587", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4433, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4432, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-11-09", "puzzle": "5,r0c0r0c1|28,r0c2r0c3r0c4r0c5r0c6|12,r0c7r0c8|12,r1c0r1c1r1c2|14,r1c6r1c7r1c8|20,r2c0r2c1r3c1|36,r1c3r1c4r1c5r2c2r2c3r2c5r2c6|17,r2c7r2c8r3c7|8,r3c2r3c3|9,r2c4r3c4|10,r3c5r3c6|29,r3c0r4c0r5c0r5c1r5c2r6c0|8,r4c1r4c2|10,r4c6r4c7|27,r3c8r4c8r5c6r5c7r5c8r6c8|34,r4c3r4c4r4c5r5c3r5c4r5c5|5,r6c2r6c3|15,r6c5r6c6|28,r6c1r7c0r7c1r7c2|10,r7c3r8c3|12,r6c4r7c4r8c4|16,r7c5r8c5|11,r6c7r7c6r7c7r7c8|11,r8c0r8c1r8c2|18,r8c6r8c7r8c8", "solution": "416392875327685149859471362173524698562918734948763521284136957695847213731259486", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4432, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4434, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-11-09", "puzzle": "0,r0c2r0c3|16,r0c5r0c6r0c7|0,r0c0r1c0|0,r0c1r1c1r1c2|0,r0c4r1c3r1c4|12,r1c6r1c7|20,r0c8r1c8r2c8r3c8|9,r1c5r2c4r2c5|23,r2c6r2c7r3c6|4,r2c0r3c0|0,r2c1r3c1|20,r2c2r2c3r3c2r3c3|21,r4c0r4c1r4c2|33,r3c4r3c5r4c3r4c4r5c4r5c5|9,r4c5r4c6|0,r3c7r4c7r4c8r5c7|7,r5c0r6c0|12,r5c1r6c1|0,r5c2r5c3r6c2r6c3|0,r6c4r6c5r7c5|0,r5c6r6c6r6c7|11,r7c0r8c0|18,r7c1r7c2r8c1|15,r7c3r7c4r8c4|4,r7c6r7c7|23,r5c8r6c8r7c8r8c8|8,r8c2r8c3|17,r8c5r8c6r8c7", "solution": "843769251967152483152843697324615879678934512591287364236571948789426135415398726", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4434, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4435, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-11-10", "puzzle": 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"8,r0c0r0c1r1c1|9,r0c2r0c3|14,r0c4r0c5|9,r1c2r1c3|12,r1c4r1c5|15,r1c0r2c0r2c1|13,r2c3r2c4|41,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|11,r2c2r3c2|10,r3c3r3c4|16,r2c5r2c6r3c5r3c6|9,r3c7r4c7|13,r3c8r4c8|17,r3c0r4c0|11,r3c1r4c1|23,r4c2r4c3r4c4r5c4r6c4|11,r5c0r5c1|6,r4c5r5c5|8,r4c6r5c6|10,r5c7r6c7|15,r5c8r6c8|40,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|19,r5c2r5c3r6c2r6c3|12,r6c5r6c6|9,r7c3r8c3|12,r7c4r7c5|12,r7c7r7c8r8c8|5,r8c4r8c5|15,r7c6r8c6r8c7", "solution": "437295861216348795589671423842736519973512684651984237125469378368157942794823156", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4436, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4437, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-11-10", "puzzle": 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"9,r0c4r0c5|9,r0c0r1c0|11,r0c1r1c1|16,r0c2r1c2|30,r0c3r1c3r1c4r2c3r2c4|11,r0c6r1c5r1c6|21,r0c7r0c8r1c7r1c8|9,r2c0r2c1r2c2|13,r2c5r2c6r3c6|16,r2c7r2c8r3c7|17,r3c0r3c1r3c2|13,r3c8r4c8|16,r4c0r4c1r4c2r5c0|3,r3c3r4c3|22,r3c4r3c5r4c4r4c5|31,r5c1r5c2r5c3r6c2r6c3r7c3|17,r5c4r5c5|22,r4c6r4c7r5c6r5c7r5c8|8,r6c0r6c1|13,r6c4r7c4r8c3r8c4|12,r6c7r6c8|29,r7c0r7c1r8c0r8c1|7,r7c2r8c2|17,r6c5r7c5r8c5|20,r6c6r7c6r8c6|5,r7c7r7c8|8,r8c7r8c8", "solution": "489763251537421869216895743368274195942156378175389426621937584754618932893542617", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4441, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4439, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-11-10", "puzzle": 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"14,r0c0r0c1r1c0|11,r0c3r0c4|16,r0c5r0c6r0c7|22,r0c2r1c1r1c2|10,r1c3r1c4r1c5|19,r0c8r1c8r2c8|7,r2c1r2c2|11,r2c3r2c4|5,r1c6r2c6|13,r1c7r2c7|9,r3c1r3c2|17,r2c5r3c5r4c5|12,r3c7r3c8r4c7|7,r2c0r3c0r4c0|14,r4c1r4c2|9,r3c3r4c3|21,r3c4r4c4r5c4|14,r3c6r4c6|6,r4c8r5c8|14,r5c0r5c1|6,r5c5r6c5|9,r6c0r6c1r7c1|19,r5c2r6c2r7c2|4,r5c3r6c3|21,r5c6r5c7r6c6|11,r6c7r6c8r7c8|22,r6c4r7c3r7c4|12,r7c6r7c7r8c6|13,r7c0r8c0|7,r8c1r8c2|3,r8c3r8c4|13,r7c5r8c5|14,r8c7r8c8", "solution": "345928176798631245261745398472563981186479532953182764629354817517896423834217659", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4440, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4442, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-11-11", "puzzle": "17,r0c0r0c1r0c2r0c3|23,r0c7r0c8r1c8|10,r1c0r1c1r1c2|24,r0c5r1c5r2c5r2c6|13,r0c6r1c6r1c7|13,r2c1r2c2r3c1|9,r1c3r2c3|16,r2c7r2c8r3c8|27,r2c0r3c0r4c0r5c0r6c0|29,r0c4r1c4r2c4r3c2r3c3r3c4|6,r3c5r3c6|5,r4c2r4c3|13,r3c7r4c7|17,r4c1r5c1|20,r4c4r4c5r5c4|16,r4c6r5c5r5c6|23,r4c8r5c7r5c8r6c6r6c7r6c8|21,r5c2r6c1r6c2|10,r5c3r6c3|37,r6c4r6c5r7c3r7c4r7c5r7c6r7c7|19,r7c0r7c1r7c2r8c0r8c1|21,r8c2r8c3r8c4r8c5|9,r8c6r8c7|7,r7c8r8c8", "solution": "745139286361258749928746153436921578182375964597684321859412637213867495674593812", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4442, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4443, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2011-11-11", "puzzle": 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"12,r0c0r0c1r0c2|10,r0c4r0c5|24,r0c6r0c7r1c6r1c7|21,r1c0r1c1r1c2r2c1|9,r0c3r1c3|16,r0c8r1c8r2c8|19,r1c4r1c5r2c4r3c4|13,r2c0r3c0|21,r2c2r3c1r3c2|10,r2c3r3c3|16,r2c5r3c5r4c5|24,r2c6r3c6r4c6r4c7r4c8|11,r2c7r3c7r3c8|10,r4c1r4c2r5c1r6c1|9,r4c0r5c0|13,r4c3r4c4r5c3|20,r5c5r5c6r6c5r6c6|13,r5c7r5c8|19,r5c2r6c2r6c3|12,r5c4r6c4|16,r6c0r7c0r8c0|11,r7c3r7c4|19,r6c7r6c8r7c5r7c6r7c7|10,r7c1r8c1|12,r7c2r8c2|4,r8c3r8c4|16,r8c5r8c6r8c7|15,r7c8r8c8", "solution": "462791385381245769597683412859426173243917856716358294925874631138562947674139528", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4447, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4444, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2011-11-11", "puzzle": "0,r0c0r0c1r1c0|42,r0c2r0c3r0c4r0c5r0c6r1c3r1c4r1c5|8,r0c7r0c8r1c8|24,r1c1r1c2r2c0r2c1|8,r2c2r2c3|3,r2c5r2c6|28,r1c6r1c7r2c7r2c8|13,r3c2r3c3|12,r2c4r3c4|0,r3c5r3c6|22,r3c0r3c1r4c0r4c1r4c2r4c3|18,r4c4r5c4r6c4|30,r3c7r3c8r4c5r4c6r4c7r4c8|0,r5c0r5c1|15,r5c2r5c3|0,r5c5r5c6|11,r5c7r5c8|10,r6c2r6c3|0,r6c5r6c6|0,r6c0r6c1r7c0|19,r7c2r7c3r8c2|10,r7c5r7c6r8c6|0,r6c7r6c8r7c8|22,r7c1r8c0r8c1|0,r7c4r8c3r8c4r8c5|0,r7c7r8c7r8c8", "solution": "621589734738246951945371286379458612452167398816932547163794825297815463584623179", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4444, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4445, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-11-12", "puzzle": "10,r0c0r0c1|9,r0c2r0c3|4,r0c5r0c6|14,r1c2r1c3|14,r0c4r1c4|11,r0c7r1c7|11,r0c8r1c8|14,r1c0r1c1r2c0|7,r2c1r2c2|17,r1c5r2c4r2c5|9,r1c6r2c6|13,r2c7r2c8|15,r3c0r4c0|6,r2c3r3c2r3c3|7,r3c4r3c5|15,r3c7r3c8|9,r3c1r4c1|15,r4c2r5c2|16,r4c3r4c4r4c5|13,r3c6r4c6|8,r4c7r5c7|3,r5c0r5c1|17,r5c3r5c4|15,r5c5r5c6r6c5|4,r4c8r5c8|8,r6c0r6c1|3,r6c2r7c2|12,r6c3r6c4r7c3|17,r6c6r6c7|11,r6c8r7c7r7c8|15,r7c0r8c0|15,r7c1r8c1|5,r7c4r8c4|12,r7c5r7c6|13,r8c2r8c3|10,r8c5r8c6|8,r8c7r8c8", "solution": "285463179379581642416279358643152987958637421127894563531726894892345716764918235", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4445, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4446, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-11-12", "puzzle": "14,r0c5r0c6|3,r0c7r0c8|9,r0c0r1c0|14,r0c1r0c2r1c1|28,r0c3r0c4r1c3r2c3|12,r1c6r1c7|9,r1c2r2c2|6,r1c4r1c5r2c4|14,r2c5r2c6|13,r1c8r2c7r2c8|16,r2c0r3c0|11,r2c1r3c1|21,r3c3r3c4r3c5r3c6r3c7|6,r4c0r4c1|16,r3c2r4c2r5c2|13,r4c3r4c4r4c5|14,r4c6r4c7|18,r3c8r4c8r5c8|11,r5c0r6c0|8,r5c1r6c1|24,r5c3r5c4r5c5r5c6r5c7|6,r6c2r7c2|17,r6c4r7c4r7c5|13,r6c5r6c6|19,r6c7r6c8r7c8|7,r7c0r8c0|22,r7c1r8c1r8c2|17,r6c3r7c3r8c3r8c4|9,r7c6r7c7|7,r8c5r8c6|8,r8c7r8c8", "solution": "539476821428931756761825943956782134247319685813654279374168592192547368685293417", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4446, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4449, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-11-12", "puzzle": "0,r0c0r0c1r0c2|6,r0c4r0c5|0,r0c3r1c2r1c3|27,r0c6r1c6r2c6r2c7r2c8|18,r0c7r0c8r1c7r1c8|0,r1c0r1c1r2c0|0,r2c3r3c3|0,r1c4r2c4|9,r1c5r2c5|14,r3c0r4c0r5c0|0,r2c1r3c1|10,r2c2r3c2|15,r3c4r3c5r4c5|6,r3c6r3c7|0,r3c8r4c8|12,r4c6r4c7|5,r4c1r5c1|14,r4c2r5c2|0,r4c3r4c4r5c3r5c4|16,r5c5r5c6|15,r5c7r5c8r6c7|17,r6c0r6c1r6c2r7c2r8c2|10,r6c3r6c4|11,r6c5r6c6|0,r7c0r7c1r8c0r8c1|6,r7c3r7c4|15,r7c5r7c6|18,r6c8r7c8r8c8|0,r8c3r8c4r8c5|0,r7c7r8c6r8c7", "solution": "987342615325671984461958273739865421516724398248139756173286549694517832852493167", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4449, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4451, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-11-13", "puzzle": 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"8,r0c3r0c4|13,r0c5r0c6|13,r0c0r1c0|24,r0c1r0c2r1c1r2c1|16,r0c7r0c8r1c6r1c7|5,r1c2r2c2|32,r1c3r1c4r1c5r2c3r2c4r3c4|9,r2c5r2c6|9,r1c8r2c8|11,r2c0r3c0r3c1|11,r3c2r3c3|16,r2c7r3c7|7,r4c0r4c1|30,r3c5r4c4r4c5r5c4|11,r3c6r4c6r4c7|10,r3c8r4c8|25,r4c2r4c3r5c1r5c2r5c3|8,r5c5r5c6|18,r5c0r6c0r7c0r8c0|12,r6c3r6c4|16,r6c5r6c6r7c5|17,r5c7r5c8r6c7r6c8|29,r6c1r6c2r7c1r7c2r8c1r8c2|9,r7c3r7c4|8,r7c6r7c7r8c7|23,r8c3r8c4r8c5r8c6|15,r7c8r8c8", "solution": "862714935574389621391625478716548293435296187289173564647931852928457316153862749", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4456, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4457, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-11-14", "puzzle": 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"7,r0c0r0c1|9,r0c2r0c3|14,r0c5r0c6|12,r0c7r0c8|11,r1c0r1c1|10,r1c2r1c3|8,r0c4r1c4|16,r1c5r1c6|3,r1c7r1c8|13,r2c3r2c4r2c5|19,r2c0r3c0r4c0|8,r2c1r2c2r3c1|18,r2c6r2c7r3c7|14,r2c8r3c8r4c8|19,r3c2r3c3r4c2|14,r3c4r4c4|12,r3c5r3c6r4c6|7,r5c0r6c0|12,r4c1r5c1|10,r4c7r5c7|13,r5c8r6c8|10,r5c2r6c2|17,r4c3r5c3r6c3|8,r5c4r6c4|7,r4c5r5c5r6c5|10,r5c6r6c6|18,r6c1r7c0r7c1|8,r7c2r7c3|11,r7c4r8c4|9,r7c5r7c6|22,r6c7r7c7r7c8|13,r8c0r8c1|11,r8c2r8c3|7,r8c5r8c6|5,r8c7r8c8", "solution": "167239548834657921925148763719463852346582179582971436258314697491726385673895214", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4460, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4459, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-11-14", "puzzle": "15,r0c0r0c1r1c1|12,r0c2r0c3|12,r0c6r1c6|0,r0c4r1c4|0,r0c5r1c5|20,r0c7r0c8r1c7r1c8|0,r1c0r2c0r2c1r3c0|14,r1c2r1c3r2c2r2c3|10,r2c7r2c8|13,r3c1r3c2|0,r2c4r3c3r3c4|0,r2c5r2c6r3c5r3c6|0,r3c7r3c8|0,r4c5r4c6r5c5|0,r4c7r4c8|13,r4c0r5c0|7,r4c1r5c1|22,r4c2r5c2r6c2r6c3r6c4|26,r4c3r4c4r5c3r5c4|0,r5c8r6c8|9,r6c0r6c1|14,r6c5r7c5|19,r5c6r5c7r6c6r6c7|11,r7c2r8c2|5,r7c3r7c4|13,r7c7r7c8r8c8|22,r7c0r7c1r8c0r8c1|7,r8c3r8c4|24,r7c6r8c5r8c6r8c7", "solution": "869354712314267598527189346958742163641835927732691485183976254275418639496523871", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4459, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4462, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-11-15", "puzzle": "19,r0c4r0c5r0c6r1c5|18,r0c0r0c1r1c0r1c1|18,r0c2r0c3r1c2|11,r1c3r1c4|13,r0c7r0c8r1c7|11,r2c0r2c1r3c0|30,r2c2r2c3r3c2r3c3|17,r1c6r2c6r2c7r3c7|15,r1c8r2c8|7,r2c4r3c4|11,r2c5r3c5|11,r3c6r4c6r4c7|12,r3c1r4c1|14,r4c2r4c3|7,r3c8r4c8|19,r4c0r5c0r5c1r6c0|5,r5c2r5c3|14,r4c4r4c5r5c4|20,r5c5r5c6r6c5r6c6|22,r5c7r5c8r6c7r6c8|19,r6c1r6c2r7c2r7c3|12,r6c3r6c4r7c4|19,r7c0r7c1r8c0|23,r7c7r7c8r8c7r8c8|3,r8c1r8c2|10,r8c3r8c4|25,r7c5r7c6r8c5r8c6", "solution": "534691782918742536267853419356928174479516823182374965693185247845237691721469358", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4462, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4463, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-11-15", "puzzle": 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"12,r0c0r0c1r0c2|9,r0c3r0c4r0c5|24,r0c6r0c7r0c8|10,r1c0r1c1r1c2|15,r1c6r1c7r1c8|14,r2c0r2c1|13,r1c3r2c3|8,r1c4r2c4|15,r1c5r2c5|3,r2c7r2c8|16,r2c2r3c2|15,r3c3r3c4r3c5|7,r2c6r3c6|13,r3c0r3c1r4c0|6,r4c2r4c3|12,r4c5r4c6|10,r3c7r3c8r4c8|19,r4c1r5c1r5c2|16,r4c4r5c4|15,r4c7r5c6r5c7|8,r5c0r6c0|5,r6c1r6c2|10,r5c3r6c3|13,r5c5r6c5|9,r6c6r6c7|10,r5c8r6c8|14,r7c0r7c1|10,r7c7r7c8|11,r8c0r8c1|9,r7c2r8c2|6,r7c3r8c3|14,r6c4r7c4r8c4|9,r7c5r8c5|10,r7c6r8c6|15,r8c7r8c8", "solution": "345612978712938654869457312937861425184295763256374189623789541598146237471523896", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4470, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4471, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-11-17", "puzzle": 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"18,r0c4r0c5r1c5|12,r0c0r1c0|7,r0c1r1c1|15,r0c2r0c3r1c2|9,r1c3r1c4|17,r0c6r1c6|3,r0c7r1c7|9,r0c8r1c8|12,r2c0r2c1|13,r2c5r2c6|9,r2c7r2c8|9,r3c0r3c1|8,r2c2r3c2|12,r2c3r3c3|11,r2c4r3c4r3c5|11,r3c7r3c8|13,r4c0r4c1|12,r4c2r5c2|9,r4c3r4c4r4c5|8,r3c6r4c6|15,r4c7r4c8|5,r5c0r5c1|22,r5c3r5c4r6c4|11,r5c5r6c5|10,r5c6r6c6|7,r5c7r5c8|9,r6c0r6c1|3,r6c2r6c3|16,r6c7r6c8|14,r7c0r8c0|9,r7c1r8c1|12,r7c2r8c2|6,r7c4r7c5|7,r7c6r8c5r8c6|8,r7c7r8c7|12,r7c8r8c8|22,r7c3r8c3r8c4", "solution": "718345926564729813392816745186437592945162387237598461451283679879651234623974158", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4475, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4476, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-11-18", "puzzle": 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"11,r0c2r0c3r0c4|14,r0c0r0c1r1c0r1c1|11,r1c2r2c2|23,r0c5r1c4r1c5r2c4r2c5|23,r0c6r0c7r1c6r1c7r2c7|12,r0c8r1c8|14,r2c0r2c1|17,r1c3r2c3|11,r3c3r3c4|17,r2c6r3c5r3c6|18,r2c8r3c8r4c8|26,r3c0r3c1r4c1r5c1|4,r3c2r4c2|12,r4c3r4c4r4c5|11,r4c6r5c6|16,r3c7r4c7r5c7r5c8|16,r4c0r5c0r6c0|16,r5c2r5c3r6c2|9,r5c4r5c5|17,r6c5r7c5|9,r6c7r6c8|13,r7c0r8c0|21,r6c1r7c1r7c2r8c1r8c2|21,r6c3r6c4r7c3r7c4r8c3|14,r6c6r7c6|21,r7c7r7c8r8c7r8c8|8,r8c4r8c5r8c6", "solution": "236415789184976253957832416491387625563291847872654391348169572615728934729543168", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4477, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4479, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-11-18", "puzzle": "3,r0c2r0c3|0,r0c6r0c7r1c6|17,r0c0r0c1r1c0|21,r0c4r0c5r1c3r1c4|0,r0c8r1c8|19,r1c1r2c1r3c1|12,r1c2r2c2r2c3|28,r1c5r2c4r2c5r2c6r3c6|0,r1c7r2c7|8,r2c0r3c0|8,r3c4r3c5|12,r2c8r3c8r4c8|38,r3c2r4c1r4c2r5c1r5c2r5c3|0,r3c3r4c3|0,r4c4r4c5r4c6|5,r3c7r4c7|3,r4c0r5c0|5,r5c4r5c5|0,r5c6r5c7r5c8|8,r6c0r6c1|0,r6c6r6c7r6c8r7c8|0,r6c2r7c0r7c1r7c2r8c0r8c1r8c2|9,r6c3r7c3|19,r6c4r6c5r7c4|0,r8c3r8c4|14,r7c5r8c5|12,r7c6r8c6|15,r7c7r8c7r8c8", "solution": "852137964461928357397456281543862719186793542279541638628374195715689423934215876", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4479, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4478, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2011-11-18", "puzzle": 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"9,r0c4r0c5r0c6|40,r0c0r0c1r0c2r0c3r1c0r1c1r2c0r3c0|18,r1c2r2c1r2c2|16,r1c3r1c4|7,r2c3r2c4|10,r1c5r2c5|34,r0c7r0c8r1c6r1c7r2c6r2c7|10,r1c8r2c8|8,r3c2r4c2|24,r3c6r3c7r3c8r4c8|14,r3c1r4c1|45,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4r5c5|9,r4c6r4c7|12,r4c0r5c0r6c0|3,r5c1r5c2|28,r5c6r5c7r6c5r6c6r7c5|27,r6c1r6c2r7c0r7c1r7c2r8c0|22,r6c7r7c6r7c7|11,r5c8r6c8|18,r6c3r7c3r8c3r8c4|12,r6c4r7c4|17,r8c1r8c2|4,r8c5r8c6|7,r7c8r8c7r8c8", "solution": "276453198814972563359618247985134672463527819721896435142389756637245981598761324", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4487, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4488, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-11-20", "puzzle": "5,r0c1r0c2|21,r0c4r0c5r0c6r1c4|16,r0c7r0c8|12,r0c0r1c0|9,r1c1r1c2|3,r0c3r1c3|0,r1c5r1c6r2c5|0,r1c7r2c7|0,r1c8r2c8|0,r2c0r2c1r3c0r3c1|26,r2c2r2c3r2c4r3c2r3c3|14,r3c7r3c8|0,r4c0r4c1|5,r4c2r4c3|13,r5c0r5c1r6c0r6c1|0,r5c2r5c3r6c2r6c3r6c4|33,r3c4r3c5r4c4r4c5r5c4r5c5|28,r2c6r3c6r4c6r4c7r4c8r5c6r6c6|13,r5c7r5c8|11,r6c7r7c7|15,r6c8r7c8|0,r7c0r8c0|7,r7c1r7c2|0,r7c3r8c3|19,r6c5r7c5r7c6|0,r8c1r8c2|12,r7c4r8c4r8c5r8c6|4,r8c7r8c8", "solution": "514286379763149825982735641349572186651498732278361594136927458425813967897654213", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4488, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4491, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-11-21", "puzzle": "20,r0c2r0c3r0c4r0c5|11,r0c6r0c7|9,r0c0r1c0|27,r0c1r1c1r1c2r2c1r2c2|8,r1c5r1c6r1c7|13,r0c8r1c8|16,r1c3r1c4r2c3r3c3|25,r2c4r2c5r2c6r3c6|8,r2c7r2c8|13,r2c0r3c0r3c1|15,r3c7r4c7|13,r4c0r5c0|10,r3c2r4c2|9,r4c3r5c3|11,r3c4r4c4r5c4|17,r3c5r4c5|8,r4c6r5c6|5,r3c8r4c8|8,r4c1r5c1|23,r5c7r5c8r6c8|11,r6c0r6c1|13,r5c2r6c2r6c3r6c4|14,r5c5r6c5r7c4r7c5|11,r7c0r8c0|19,r7c1r7c2r7c3|25,r6c6r6c7r7c6r7c7r8c7|5,r7c8r8c8|11,r8c1r8c2|27,r8c3r8c4r8c5r8c6", "solution": "358471926629583147147296835936158274574629381812347569291734658765812493483965712", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4491, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4490, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-11-21", "puzzle": "16,r0c0r0c1r1c1|21,r0c7r0c8r1c8|8,r0c2r1c2|7,r0c3r1c3|4,r0c4r1c4|15,r0c5r1c5|15,r0c6r1c6r1c7|12,r1c0r2c0r2c1|13,r2c2r2c3|15,r2c4r2c5|9,r2c6r2c7r2c8|12,r3c0r3c1r3c2|15,r3c3r3c4r3c5|18,r3c6r3c7r3c8|16,r4c0r4c1|11,r4c2r4c3r5c3|14,r4c4r4c5|6,r5c0r5c1|8,r5c4r5c5|16,r4c6r4c7r5c6|10,r5c2r6c2|15,r6c4r6c5r6c6|14,r5c7r6c7r7c7|14,r4c8r5c8r6c8|4,r6c0r7c0|19,r6c1r7c1r7c2|23,r6c3r7c3r7c4|10,r7c8r8c8|14,r8c0r8c1|16,r8c2r8c3r8c4|10,r7c5r7c6r8c5|5,r8c6r8c7", "solution": "821536497467219385539487216615924873793168524248753961172845639384691752956372148", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4490, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4489, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-11-20", "puzzle": "15,r0c0r0c1r0c2|0,r1c0r1c1r2c0r2c1|20,r0c3r0c4r1c3r1c4|22,r0c5r0c6r1c5r1c6|15,r0c7r0c8r1c7r1c8|4,r1c2r2c2|0,r2c6r2c7r3c7|7,r2c3r3c3|0,r2c4r3c4|0,r2c5r3c5r3c6|0,r2c8r3c8|16,r3c0r4c0r5c0r6c0|0,r3c1r4c1r5c1r6c1r7c1|15,r3c2r4c2|11,r4c3r4c4r4c5|6,r5c3r5c4|12,r4c6r5c6|0,r4c7r5c7|13,r4c8r5c8|10,r5c2r6c2|0,r6c3r6c4|0,r5c5r6c5|19,r6c6r6c7r6c8r7c6|8,r7c4r7c5|21,r7c7r7c8r8c8|14,r7c0r8c0r8c1|18,r7c2r7c3r8c2|0,r8c3r8c4|0,r8c5r8c6r8c7", "solution": "267498513981523647543176892329685471456731928178249365892314756735962184614857239", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4489, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4493, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-11-21", "puzzle": "11,r0c7r0c8|20,r0c0r0c1r1c0r2c0|0,r0c2r1c1r1c2|16,r0c3r0c4r1c4|4,r0c5r1c5|0,r0c6r1c6|13,r2c1r2c2|0,r1c3r2c3|0,r2c4r2c5|0,r1c7r1c8r2c6r2c7r2c8|0,r3c0r3c1|0,r3c2r3c3|7,r3c4r3c5|0,r3c8r4c8|5,r4c1r5c1|15,r4c2r5c2|17,r4c3r4c4r4c5|12,r3c6r4c6|0,r3c7r4c7|0,r4c0r5c0|14,r5c3r5c4|7,r5c5r5c6|8,r5c7r5c8|21,r6c0r6c1r6c2r7c0r7c1|7,r6c3r6c4|0,r6c5r7c5|0,r6c6r6c7|0,r7c2r8c2|10,r7c3r8c3|18,r7c4r8c4r8c5|21,r7c6r7c7r8c6|14,r6c8r7c8r8c7r8c8|13,r8c0r8c1", "solution": "694571238271843596385296147817325469436719852529684371762438915153962784948157623", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4493, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4495, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-11-22", "puzzle": 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"34,r0c2r0c3r1c3r2c3r3c3|18,r0c0r1c0r2c0r3c0|10,r0c1r1c1|6,r0c4r1c4|12,r0c5r0c6r1c5r1c6|22,r0c7r1c7r2c7r3c7|16,r0c8r1c8|16,r1c2r2c1r2c2r3c2|11,r2c5r2c6|13,r2c4r3c4|13,r3c5r3c6|6,r2c8r3c8|15,r3c1r4c0r4c1|12,r4c2r4c3r4c4|15,r4c5r4c6r5c6r5c7|12,r4c7r4c8r5c8|14,r5c0r5c1r6c0|30,r5c2r5c3r6c1r6c2r7c2r8c2|26,r5c4r5c5r6c3r6c4|24,r6c6r6c7r6c8|3,r7c3r8c3|11,r6c5r7c5|25,r7c0r7c1r8c0r8c1|11,r7c4r8c4|15,r7c6r8c5r8c6|7,r7c7r8c7|8,r7c8r8c8", "solution": "684752139925813647173946582231695874847321956569478321312564798498137265756289413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4496, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4498, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-11-22", "puzzle": 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"9,r0c0r0c1|9,r0c4r0c5r1c4|15,r0c2r1c2r2c2|16,r0c3r1c3|12,r0c6r1c5r1c6|20,r0c7r0c8r1c7r1c8|12,r1c0r2c0r3c0|18,r1c1r2c1r3c1|37,r2c3r2c4r2c5r2c6r3c6r4c6r5c6|22,r2c7r2c8r3c7|35,r3c2r3c3r3c4r3c5r4c5r5c5r6c5|13,r3c8r4c7r4c8|25,r4c0r5c0r6c0r6c1|12,r4c1r4c2r5c1|20,r5c2r5c3r6c2r6c3|18,r4c3r4c4r5c4|6,r5c7r5c8|10,r6c6r6c7r6c8|18,r6c4r7c3r7c4|19,r7c5r7c6r7c7|13,r7c8r8c8|19,r7c0r7c1r8c0r8c1|21,r7c2r8c2r8c3r8c4|6,r8c5r8c6r8c7", "solution": "189724653762935184354618279271453968945186732638297415827369541413572896596841327", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4492, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4494, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-11-21", "puzzle": "11,r0c1r0c2|11,r0c6r0c7|16,r0c0r1c0r1c1|5,r0c3r1c3|7,r0c4r1c4|13,r0c5r1c5|19,r0c8r1c7r1c8|18,r1c2r2c2r3c2|0,r2c4r3c4|0,r1c6r2c6r3c6|0,r2c0r3c0r4c0r5c0|0,r2c1r3c1r4c1r5c1|0,r2c3r3c3|5,r2c5r3c5|21,r2c7r3c7r4c7r5c7|23,r2c8r3c8r4c8r5c8|0,r4c2r4c3r4c4r4c5r4c6|11,r6c0r6c1|0,r5c2r6c2|0,r5c3r6c3|15,r5c4r6c4|9,r5c5r6c5|0,r5c6r6c6|0,r6c7r6c8|15,r7c0r7c1|0,r7c7r7c8|12,r8c0r8c1|17,r7c2r7c3r8c2r8c3|10,r7c4r8c4|23,r7c5r7c6r8c5r8c6|3,r8c7r8c8", "solution": "983156742615427398427983615756342189238719456149865273561294837872531964394678521", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4494, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4499, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2011-11-22", "puzzle": "17,r0c0r0c1r1c0|0,r0c2r0c3|0,r0c4r0c5|0,r0c7r0c8r1c7r1c8|13,r1c2r1c3r2c2r2c3|0,r1c4r1c5|10,r1c1r2c1|5,r2c4r2c5|29,r0c6r1c6r2c6r2c7r2c8|14,r2c0r3c0|15,r3c1r3c2|0,r3c6r4c6|0,r3c7r4c7|14,r3c8r4c8|0,r4c0r4c1|0,r3c3r4c3r5c3r5c4r5c5|0,r3c4r3c5r4c4r4c5|7,r5c0r5c1|10,r4c2r5c2|23,r5c6r5c7r6c6r6c7|0,r5c8r6c8|0,r6c1r6c2r7c2|0,r6c3r6c4|15,r7c3r8c3|0,r7c4r8c4|0,r6c5r7c5|13,r7c6r7c7|8,r7c8r8c7r8c8|28,r6c0r7c0r7c1r8c0r8c1r8c2|16,r8c5r8c6", "solution": "745986321623471985981523467596137248178294536432658179817345692369712854254869713", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4499, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4500, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-11-23", "puzzle": "4,r0c0r0c1|16,r0c4r0c5|10,r0c7r0c8|9,r1c0r1c1|13,r0c2r1c2|10,r0c3r1c3|8,r0c6r1c6|10,r1c7r1c8|10,r2c0r2c1|11,r1c4r1c5r2c4|7,r2c5r2c6|9,r3c0r3c1|10,r2c2r3c2|13,r2c3r3c3|13,r3c5r3c6|8,r2c7r3c7|13,r2c8r3c8r4c8|24,r4c1r4c2r4c3|12,r3c4r4c4r5c4|15,r4c5r4c6r4c7|18,r4c0r5c0r6c0|13,r5c1r6c1|5,r5c2r5c3|15,r5c5r6c5|8,r5c6r6c6|11,r5c7r5c8|5,r6c2r6c3|13,r6c4r7c3r7c4|9,r6c7r6c8|10,r7c0r7c1|7,r7c2r8c2|9,r7c5r8c5|10,r7c6r8c6|13,r7c7r7c8|10,r8c0r8c1|12,r8c3r8c4|12,r8c7r8c8", "solution": "316497582547682319829513467631874925278935641954126738783269154195348276462751893", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4500, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4501, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-11-23", "puzzle": "10,r0c0r0c1|18,r0c5r0c6r1c6r1c7|17,r0c7r0c8|20,r1c0r1c1r2c0r3c0|24,r0c2r0c3r1c2r1c3|10,r0c4r1c4r1c5|15,r2c1r2c2|8,r2c3r2c4r3c4|11,r2c5r2c6r2c7|12,r1c8r2c8|16,r3c1r3c2r3c3|9,r3c5r4c5|5,r4c0r4c1|25,r4c2r4c3r4c4r5c2|20,r3c6r3c7r4c6|7,r3c8r4c8|6,r5c1r6c1|15,r5c4r5c5r5c6|13,r4c7r5c7|7,r5c0r6c0|14,r5c3r6c2r6c3|7,r6c4r6c5|18,r5c8r6c7r6c8|28,r7c0r7c1r8c0r8c1|8,r7c3r7c4r8c3|21,r6c6r7c5r7c6r7c7|9,r7c2r8c2|26,r8c4r8c5r8c6r8c7|6,r7c8r8c8", "solution": "731625498248971635569438127985312746324867951617594283152743869876259314493186572", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4501, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4497, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-11-22", "puzzle": "27,r0c5r0c6r0c7r0c8r1c7|15,r0c0r1c0r2c0|10,r0c1r1c1|13,r0c2r0c3r1c2|13,r0c4r1c4|17,r1c5r1c6|12,r1c3r2c2r2c3|18,r2c5r2c6r2c7r3c7|12,r1c8r2c8r3c8|20,r2c1r3c0r3c1|4,r3c2r3c3|19,r2c4r3c4r4c4r5c4r6c4|7,r3c5r3c6|13,r4c0r4c1|9,r4c2r4c3|12,r4c5r4c6|10,r4c7r4c8|14,r5c2r5c3|16,r5c5r5c6|12,r5c7r5c8r6c7|16,r5c0r6c0r7c0|18,r5c1r6c1r6c2r6c3|10,r6c5r6c6r7c5|12,r7c2r7c3|13,r7c4r8c4|13,r7c6r8c5r8c6|9,r7c7r8c7|17,r6c8r7c8r8c8|24,r7c1r8c0r8c1r8c2r8c3", "solution": "132786495674159832859234176781392564493615728526847913947523681268471359315968247", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4497, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4502, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-11-23", "puzzle": "24,r0c1r0c2r1c1r1c2r2c2|29,r0c3r0c4r1c3r1c4r2c4|25,r0c5r0c6r0c7r0c8r1c5r2c5|11,r0c0r1c0|20,r1c6r2c6r3c6|9,r1c7r2c7r3c7|26,r1c8r2c8r3c8r4c8r5c8|10,r2c0r3c0|15,r2c1r3c1|13,r2c3r3c3r3c4r3c5|8,r4c0r4c1|10,r3c2r4c2|19,r4c3r4c4r5c3|10,r4c6r4c7|12,r5c0r5c1r5c2|19,r4c5r5c4r5c5|10,r5c6r5c7|18,r6c6r6c7r6c8r7c7r7c8|18,r6c0r6c1r7c0|21,r6c2r7c1r7c2|11,r6c3r7c3|8,r6c4r7c4|14,r6c5r7c5r7c6|3,r8c0r8c1|7,r8c2r8c3|13,r8c4r8c5|22,r8c6r8c7r8c8", "solution": "845391267326784915197625438968142753532867194471539826754916382689273541213458679", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4502, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4503, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-11-23", "puzzle": "16,r0c0r0c1r0c2r1c2|13,r0c4r0c5|22,r1c0r1c1r2c0r2c1|0,r0c3r1c3|34,r0c6r0c7r1c5r1c6r1c7r2c6r2c7|0,r0c8r1c8|11,r2c2r2c3|17,r1c4r2c4|8,r2c5r3c5|11,r3c0r3c1r4c1|6,r3c3r3c4r4c3|0,r3c6r3c7|0,r2c8r3c8|12,r3c2r4c2|9,r4c0r5c0|10,r4c4r5c4|14,r4c5r5c5|16,r4c6r5c6r6c6|0,r4c7r5c7|0,r4c8r5c8|20,r5c1r5c2r6c1r6c2|17,r5c3r6c3|0,r6c4r6c5|16,r6c0r7c0r7c1|0,r6c7r7c7|0,r6c8r7c8r8c8|10,r8c0r8c1|12,r7c2r8c2|13,r7c3r8c3|8,r7c4r7c5r8c4|0,r7c6r8c5r8c6r8c7", "solution": "281576493945283716367491825819327564423165987576849132152934678698752341734618259", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4503, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4504, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-11-23", "puzzle": "0,r0c1r0c2r1c1|7,r0c5r0c6|25,r0c7r0c8r1c7r1c8|0,r0c0r1c0|13,r1c2r2c2|14,r0c3r0c4r1c3|26,r1c4r2c3r2c4r3c3|3,r2c8r3c8|7,r2c0r3c0|0,r2c1r3c1|0,r3c4r3c5r4c5|0,r1c5r1c6r2c5r2c6r2c7r3c6r3c7|0,r4c0r4c1|0,r3c2r4c2|25,r4c3r4c4r5c3r5c4|17,r4c6r4c7r5c5r5c6|10,r5c1r5c2|12,r4c8r5c7r5c8|16,r5c0r6c0|6,r6c1r6c2r7c2|0,r6c3r7c3|0,r6c4r6c5|0,r6c6r6c7|0,r6c8r7c7r7c8|0,r7c0r7c1r8c0r8c1|6,r7c4r8c4|10,r7c5r7c6|0,r8c2r8c3|0,r8c5r8c6|0,r8c7r8c8", "solution": "276513489345892617198674532682435791514987263937261854721358946863749125459126378", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4504, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4505, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-11-24", "puzzle": "15,r0c0r0c1|9,r0c4r0c5|9,r1c0r1c1|3,r0c2r1c2|18,r0c3r1c3r2c3|8,r0c6r1c6|10,r0c7r1c7|16,r0c8r1c8|12,r2c0r2c1|13,r1c4r1c5r2c4|15,r2c5r2c6r3c6|9,r2c7r2c8|13,r2c2r3c2r4c2|15,r3c4r3c5|10,r3c7r3c8|9,r3c0r3c1r4c0|14,r3c3r4c3r4c4|11,r4c5r4c6|15,r4c7r4c8r5c8|20,r4c1r5c0r5c1|7,r5c3r5c4|6,r6c0r7c0|18,r5c2r6c1r6c2|13,r6c3r6c4r7c4|16,r5c5r6c5|10,r5c6r5c7r6c6|17,r6c7r6c8r7c7|11,r7c5r7c6r8c5|18,r7c1r8c0r8c1|12,r7c2r8c2|18,r7c3r8c3r8c4|12,r8c6r8c7|3,r7c8r8c8", "solution": "781263549542918367396745218124596873673182954859437126418629735237854691965371482", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4505, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4506, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-11-24", "puzzle": 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"30,r0c0r0c1r1c0r1c1|7,r0c2r0c3|17,r0c5r0c6r1c5r1c6|3,r0c4r1c4|15,r0c7r1c7|9,r0c8r1c8|6,r1c2r2c1r2c2|29,r1c3r2c3r3c1r3c2r3c3|8,r2c7r2c8|9,r2c0r3c0|34,r2c4r2c5r2c6r3c4r3c6|10,r4c0r4c1|30,r4c2r4c3r5c2r6c2r6c3|20,r3c5r4c4r4c5r5c3r5c4|23,r3c7r3c8r4c7r4c8r5c7r5c8|31,r4c6r5c5r5c6r6c4r6c5|21,r5c0r5c1r6c0r6c1|4,r7c0r7c1|12,r6c6r6c7r7c6|13,r8c0r8c1|8,r7c2r8c2|33,r7c3r7c4r7c5r8c3r8c4r8c5|33,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "894317265671825394523946817415672983287439651369158742758291436136784529942563178", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4512, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4511, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-11-25", "puzzle": 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"8,r0c3r0c4|13,r0c5r0c6|12,r0c7r0c8|15,r0c0r0c1r1c0|17,r1c3r1c4|5,r1c5r1c6|6,r1c7r1c8|27,r0c2r1c1r1c2r2c0r2c1|19,r2c2r2c3r3c2r3c3|11,r2c7r2c8|13,r2c4r2c5r3c4|8,r2c6r3c6|5,r3c0r4c0|6,r3c1r4c1|15,r4c2r4c3r5c2|27,r3c5r4c4r4c5r5c3r5c4|23,r3c7r3c8r4c6r4c7|22,r4c8r5c8r6c8|15,r5c0r6c0|9,r5c1r6c1|13,r6c2r6c3|12,r5c5r5c6r6c5r6c6|5,r5c7r6c7|26,r6c4r7c3r7c4r8c3|13,r7c5r7c6|19,r7c7r7c8r8c7r8c8|7,r7c0r8c0|13,r7c1r8c1|7,r7c2r8c2|14,r8c4r8c5r8c6", "solution": "921357648476982315583164792257839164314276859869415237738591426192648573645723981", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4516, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4515, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2011-11-26", "puzzle": "10,r0c0r0c1|17,r0c2r0c3|4,r0c6r0c7|13,r1c1r1c2r1c3|18,r0c4r0c5r1c4|10,r1c5r1c6|7,r0c8r1c8|24,r1c0r2c0r3c0|6,r2c1r2c2|13,r2c4r2c5r2c6|18,r1c7r2c7r2c8|16,r3c1r3c2|7,r2c3r3c3|7,r3c6r4c6|7,r3c7r3c8|7,r4c0r4c1|9,r4c3r5c3|13,r3c4r4c4r5c4|13,r3c5r4c5|16,r4c7r4c8|7,r5c0r5c1|7,r4c2r5c2|9,r5c5r6c5|7,r5c6r5c7|20,r6c0r6c1r7c1|18,r6c2r6c3r6c4|3,r6c6r6c7|18,r5c8r6c8r7c8|4,r7c0r8c0|7,r7c2r7c3|10,r7c4r8c3r8c4|21,r7c5r7c6r7c7|15,r8c1r8c2|15,r8c5r8c6|9,r8c7r8c8", "solution": "648957312723861945915342786879435261436218579251796438594683127162574893387129654", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4515, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4517, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-11-26", "puzzle": "29,r0c2r0c3r0c4r0c5r0c6|15,r0c0r0c1r1c0|7,r1c1r1c2|12,r1c3r1c4|16,r1c5r1c6r2c5r2c6|9,r0c7r1c7r2c7|21,r0c8r1c8r2c8|35,r2c0r2c1r3c0r3c1r4c0r5c0|36,r2c2r2c3r2c4r3c2r3c3r3c4r4c3r4c4|30,r3c5r3c6r3c7r3c8r4c5r4c6|21,r4c1r4c2r5c1r5c2r5c3r5c4|15,r5c5r5c6r6c6|26,r4c7r4c8r5c7r5c8|13,r6c3r6c4|11,r6c0r7c0|23,r6c1r6c2r7c1r7c2|26,r6c5r7c3r7c4r7c5r8c4|8,r8c0r8c1|5,r8c2r8c3|21,r7c6r8c5r8c6|17,r6c7r6c8r7c7r8c7|9,r7c8r8c8", "solution": "349762518816935724257841369781629435462358197935417682694583271528176943173294856", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4517, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4518, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-11-26", "puzzle": "12,r0c2r0c3|0,r0c4r0c5r0c6|7,r0c7r0c8|22,r0c0r0c1r1c0r1c1r1c2|0,r1c3r1c4r2c3r2c4|0,r1c5r1c6r1c7r2c5|6,r2c1r2c2|0,r2c6r2c7|0,r1c8r2c8|0,r2c0r3c0|11,r3c2r3c3|8,r3c5r3c6|12,r3c7r3c8|19,r3c1r4c0r4c1|0,r4c2r4c3|0,r3c4r4c4r5c4|0,r4c5r4c6|0,r4c7r4c8r5c7|8,r5c0r5c1|0,r5c2r5c3|0,r5c5r5c6|10,r5c8r6c8|13,r6c0r7c0|11,r6c1r6c2|13,r6c6r6c7|18,r6c3r7c1r7c2r7c3|19,r6c4r6c5r7c4r7c5|23,r7c6r7c7r7c8r8c7r8c8|10,r8c0r8c1|15,r8c2r8c3r8c4|7,r8c5r8c6", "solution": "429387561367541289851269437584712693296438175173956824738125946645893712912674358", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4518, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4519, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-11-26", "puzzle": "13,r0c0r0c1r1c1|7,r0c3r0c4r1c4|19,r0c2r1c2r1c3|0,r0c5r0c6r1c5|29,r0c7r0c8r1c7r1c8|0,r1c0r2c0r3c0|17,r2c1r2c2|0,r2c3r2c4r2c5|0,r1c6r2c6r2c7|14,r3c1r3c2|32,r3c3r3c4r3c5r4c4r4c5r5c5|0,r2c8r3c7r3c8|0,r4c0r4c1|0,r4c2r4c3|16,r3c6r4c6r5c6|11,r4c7r4c8r5c8|20,r5c2r5c3r6c2r6c3|7,r5c4r6c4|17,r5c0r6c0|4,r5c1r6c1|9,r6c5r7c5|0,r6c6r7c6|0,r5c7r6c7r6c8|7,r7c2r7c3|17,r7c4r8c4|16,r7c7r7c8r8c8|19,r7c0r7c1r8c0r8c1|8,r8c2r8c3|0,r8c5r8c6r8c7", "solution": "657423189423918657198756423586174392372869514914235876839547261741682935265391748", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4519, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4520, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-11-27", "puzzle": "5,r0c0r0c1|10,r0c7r0c8|21,r1c0r1c1r2c0|10,r0c2r1c2|12,r0c3r1c3|8,r0c4r1c4|14,r0c5r1c5|11,r0c6r1c6|12,r1c7r1c8r2c8|11,r2c1r3c0r3c1|17,r2c2r3c2|15,r2c3r3c3r4c3|23,r2c4r3c4r4c4|9,r2c5r3c5r4c5|12,r2c6r3c6|9,r2c7r3c7r3c8|10,r4c0r4c1r5c0|21,r4c7r4c8r5c8|8,r4c2r5c2|9,r5c3r5c4r5c5|11,r4c6r5c6|23,r5c1r6c0r6c1|11,r6c3r6c4r6c5|16,r5c7r6c7r6c8|8,r6c2r7c2|13,r7c3r7c4r7c5|5,r6c6r7c6|16,r7c0r7c1r8c0|6,r8c1r8c2|21,r8c3r8c4r8c5|9,r8c6r8c7|19,r7c7r7c8r8c8", "solution": "326475891754819362918263754469782513531694287287531946693128475875346129142957638", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4520, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4521, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-11-27", "puzzle": 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"0,r0c3r0c4r1c4r1c5|0,r0c5r0c6|15,r0c0r0c1r1c0|0,r0c2r1c2|0,r0c7r0c8r1c7r2c7|11,r1c1r2c0r2c1|20,r1c3r2c2r2c3r3c3|24,r1c6r2c6r3c6|9,r1c8r2c8|23,r3c0r3c1r3c2|10,r2c4r3c4|5,r2c5r3c5|5,r3c7r3c8|0,r4c0r4c1|25,r4c2r4c3r4c4r4c5r4c6|13,r4c7r4c8|8,r5c0r5c1|8,r5c3r6c3|0,r5c4r6c4|0,r5c6r5c7r5c8|14,r6c0r7c0|14,r5c2r6c2r7c2|18,r5c5r6c5r6c6r7c5|16,r6c7r6c8r7c7|18,r6c1r7c1r8c0r8c1|8,r7c6r8c6|0,r7c8r8c7r8c8|5,r8c2r8c3|0,r7c3r7c4r8c4r8c5", "solution": "189367425647852913253491876896514732432976158715238649578643291921785364364129587", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4523, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4524, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-11-27", "puzzle": "11,r0c0r0c1|13,r0c4r0c5|16,r1c0r1c1|19,r0c2r0c3r1c2r2c2|0,r1c3r1c4r1c5|0,r0c6r0c7r1c6|10,r0c8r1c8|8,r2c0r2c1|7,r2c4r2c5|18,r1c7r2c7r2c8|12,r3c0r3c1r3c2|11,r2c3r3c3|0,r2c6r3c6|11,r3c7r3c8|15,r4c0r4c1r4c2|0,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|15,r4c6r4c7r4c8|0,r5c0r5c1|0,r5c2r6c2|8,r5c5r6c5|14,r5c6r5c7r5c8|19,r6c0r6c1r7c1|15,r6c3r6c4|8,r6c7r6c8|10,r7c0r8c0|0,r7c2r8c1r8c2|16,r7c3r7c4r7c5|0,r6c6r7c6r8c5r8c6|6,r7c7r7c8|0,r8c3r8c4|0,r8c7r8c8", "solution": "385976412794215368621834975219368547537429681468157239842691753976583124153742896", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4524, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4525, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-11-28", "puzzle": "21,r0c3r0c4r1c3|12,r0c6r0c7|11,r0c0r1c0|6,r0c1r1c1|5,r0c2r1c2|7,r1c4r2c4|7,r0c5r1c5|14,r1c6r1c7|12,r0c8r1c8|11,r2c2r2c3|11,r2c5r2c6|17,r2c0r3c0|9,r2c1r3c1|11,r3c2r3c3|8,r2c7r3c7|7,r2c8r3c8r4c8|18,r4c1r4c2r5c2|8,r4c3r5c3|12,r3c4r4c4r5c4|14,r3c5r4c5|17,r3c6r4c6r4c7|9,r4c0r5c0r6c0|17,r5c1r6c1|11,r5c5r5c6|4,r5c7r6c7|15,r5c8r6c8|14,r6c2r6c3|3,r6c5r6c6|8,r7c0r8c0|3,r7c1r7c2|10,r7c3r8c3|11,r6c4r7c4|10,r7c6r8c6|13,r7c7r8c7|11,r7c8r8c8|11,r8c1r8c2|17,r7c5r8c4r8c5", "solution": "412896573753421689968357421834715962176289354295634718689542137521973846347168295", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4525, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4526, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-11-28", "puzzle": "5,r0c0r0c1|8,r0c2r0c3|15,r0c5r0c6|13,r0c7r0c8|18,r1c0r1c1r2c0|8,r1c2r1c3|21,r0c4r1c4r2c4|4,r1c5r1c6|14,r1c7r1c8r2c8|15,r2c1r2c2|8,r2c6r2c7|16,r3c0r3c1r4c0|4,r2c3r3c3|12,r2c5r3c5|10,r3c7r3c8r4c8|25,r3c2r4c2r5c2r5c3|17,r3c4r4c3r4c4r4c5|21,r3c6r4c6r5c5r5c6|18,r4c1r5c0r5c1r6c0|19,r4c7r5c7r5c8r6c8|11,r6c1r7c1|8,r5c4r6c4|16,r6c7r7c7|6,r7c0r8c0|13,r6c2r6c3r7c2|17,r6c5r6c6r7c6|8,r7c8r8c8|13,r8c1r8c2|31,r7c3r7c4r7c5r8c3r8c4r8c5|11,r8c6r8c7", "solution": "321746958956283147478195623269357814843912765715864239637428591182539476594671382", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4526, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4527, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-11-28", "puzzle": "17,r0c0r0c1r1c0|8,r0c2r0c3|11,r1c1r1c2|25,r0c4r0c5r1c3r1c4|23,r0c6r1c6r2c6r2c7r2c8|22,r0c7r0c8r1c7r1c8|10,r2c1r2c2|13,r1c5r2c4r2c5|5,r2c0r3c0|9,r2c3r3c3|17,r3c4r3c5r4c5|11,r3c6r3c7r4c6|16,r3c1r3c2r4c1r5c1|20,r3c8r4c7r4c8r5c7|12,r4c0r5c0|17,r5c2r5c3r6c3|30,r4c2r4c3r4c4r5c4r6c4|15,r5c5r5c6|7,r5c8r6c8|8,r6c7r7c7|25,r7c0r7c1r8c0r8c1|20,r6c0r6c1r6c2r7c2r8c2|19,r6c5r7c3r7c4r7c5|12,r6c6r7c6|16,r7c8r8c7r8c8|6,r8c3r8c4|11,r8c5r8c6", "solution": "475368129683921574291475683349517268526849317718236945164793852957682431832154796", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4527, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4529, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-11-28", "puzzle": "22,r0c2r0c3r0c4|0,r0c5r0c6|0,r0c7r0c8|0,r0c0r0c1r1c0|30,r1c6r1c7r1c8r2c6r2c7r2c8|18,r1c1r1c2r2c1|0,r1c3r1c4r1c5r2c2r2c3r3c1r3c2r4c1r5c1|8,r2c4r2c5|14,r2c0r3c0r4c0|8,r4c2r5c2|13,r3c3r3c4r4c3|0,r3c5r4c4r4c5r5c3r5c4r5c5|0,r3c6r4c6|14,r3c7r3c8r4c8|15,r4c7r5c6r5c7|6,r5c0r6c0|13,r6c3r6c4|18,r6c6r6c7r7c6|0,r5c8r6c8|29,r6c1r6c2r7c1r7c2r8c1r8c2|8,r6c5r7c4r7c5|0,r7c0r8c0|0,r7c3r8c3r8c4|17,r8c5r8c6|12,r7c7r7c8r8c7r8c8", "solution": "345981726829467135671235498158396274796142583432578619214853967987614352563729841", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4529, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4530, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-11-29", "puzzle": "15,r0c0r0c1r0c2|9,r0c7r0c8|9,r1c0r2c0|15,r0c3r0c4r1c3|15,r1c4r2c4r2c5|16,r0c5r0c6r1c5|13,r1c1r1c2r2c1|15,r2c2r2c3r3c2|11,r1c6r2c6|21,r1c7r1c8r2c7|9,r2c8r3c8|10,r3c0r3c1|10,r3c3r3c4r4c3|6,r3c5r3c6|9,r3c7r4c7|13,r4c1r4c2r5c2|22,r4c4r4c5r4c6|17,r4c0r5c0r5c1|17,r5c3r5c4r5c5|10,r4c8r5c8r6c8|10,r6c0r6c1|14,r6c3r6c4|15,r6c5r6c6r7c5|14,r5c6r5c7r6c7|11,r7c0r7c1|7,r6c2r7c2r7c3|18,r7c7r7c8r8c8|17,r8c0r8c1|11,r8c2r8c3|13,r7c4r8c4r8c5|13,r7c6r8c6r8c7", "solution": "267819354519634287438275961195362478843197625726548193371956842652481739984723516", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4530, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4531, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-11-29", "puzzle": "15,r0c2r0c3|7,r0c4r0c5|13,r0c0r1c0|12,r0c1r1c1|10,r0c6r1c6|17,r0c7r0c8r1c7r1c8|15,r1c2r1c3r2c2|25,r1c4r1c5r2c3r2c4r3c3r3c4|10,r2c7r2c8|8,r2c0r2c1r3c0|21,r3c1r3c2r4c2|20,r2c5r2c6r3c5r3c6|13,r3c8r4c8|8,r4c0r4c1|19,r4c3r4c4r5c3r5c4|31,r3c7r4c5r4c6r4c7r5c5r5c6|6,r5c1r5c2|6,r5c8r6c8|13,r5c0r6c0|12,r6c1r6c2r7c2|6,r6c3r7c3|19,r6c4r6c5r7c5|20,r5c7r6c6r6c7|12,r7c4r8c4|14,r7c7r7c8|22,r7c0r7c1r8c0r8c1|7,r8c2r8c3|20,r7c6r8c5r8c6|4,r8c7r8c8", "solution": "597834621836721459142659837389472165264915378751368294618593742923147586475286913", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4531, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4532, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-11-29", "puzzle": "22,r0c2r0c3r1c2r1c3r2c3|36,r0c0r1c0r2c0r2c1r2c2r3c0r3c1|9,r0c1r1c1|25,r0c4r0c5r0c6r1c4r1c5|16,r0c7r1c6r1c7|12,r0c8r1c8|8,r2c4r2c5|14,r2c6r2c7r2c8|33,r4c0r4c1r5c0r5c1r6c0r6c1|14,r3c2r4c2|6,r3c3r4c3|28,r3c4r3c5r3c6r4c4r4c5r4c6|45,r3c7r3c8r4c7r4c8r5c7r5c8r6c7r6c8r7c7|18,r5c2r5c3r5c4|24,r5c5r5c6r6c5r7c5|5,r6c2r6c3|28,r7c0r7c1r7c2r7c3r8c2r8c3|14,r6c4r7c4r8c4r8c5|25,r6c6r7c6r8c6r8c7|14,r8c0r8c1|9,r7c8r8c8", "solution": "926514387471398625358762194165283479239471568847659231794136852513827946682945713", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4532, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4533, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-11-29", "puzzle": "0,r0c0r0c1r1c0|10,r0c2r0c3|0,r0c4r0c5|7,r0c6r0c7|17,r1c4r1c5r1c6|10,r0c8r1c8|0,r1c1r1c2r2c1r2c2r3c1|0,r1c3r2c3|0,r2c5r2c6|18,r1c7r2c7r3c7|0,r2c0r3c0r4c0r5c0|13,r3c2r3c3|6,r2c4r3c4|8,r2c8r3c8|0,r3c5r4c5|0,r3c6r4c6|16,r4c1r5c1|15,r4c2r5c2r6c2|18,r4c3r4c4r5c3|14,r4c7r5c7|13,r4c8r5c8r6c8|3,r6c0r6c1|0,r5c4r5c5r6c4|9,r5c6r6c6r6c7|9,r7c1r7c2|10,r6c3r7c3|17,r6c5r7c4r7c5r7c6|0,r7c0r8c0|18,r8c1r8c2r8c3|13,r8c4r8c5r8c6|23,r7c7r7c8r8c7r8c8", "solution": "483795612517362948962148357648523791271489563395671284129857436854236179736914825", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4533, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4535, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-11-30", "puzzle": "8,r0c2r0c3|4,r0c4r0c5|17,r0c0r1c0|9,r0c1r1c1|13,r1c3r1c4r1c5|15,r0c6r0c7r1c6|10,r0c8r1c8|4,r2c0r2c1|13,r1c2r2c2|11,r2c5r2c6r3c6|14,r1c7r2c7|24,r2c3r2c4r3c3|7,r2c8r3c7r3c8|6,r3c0r4c0|17,r3c1r3c2r4c1|14,r4c2r4c3r4c4|21,r3c4r3c5r4c5|10,r5c2r5c3r5c4|11,r5c5r6c5r7c5|8,r4c6r5c6|22,r4c7r4c8r5c7|17,r5c8r6c8|11,r5c0r6c0|10,r5c1r6c1r6c2|9,r7c2r8c2|13,r6c3r7c3r8c3|18,r6c4r7c4r8c4|13,r6c6r7c6|3,r6c7r7c7|8,r7c0r8c0|16,r7c1r8c1|20,r8c5r8c6r8c7|9,r7c8r8c8", "solution": "842631957956247183317985462563798241189324576724516398435872619698153724271469835", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4535, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4536, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-11-30", "puzzle": "8,r0c0r0c1|9,r0c2r0c3|21,r0c4r0c5r0c6r1c6|17,r0c7r0c8r1c7r1c8|13,r1c1r1c2|16,r1c3r1c4|9,r1c0r2c0r2c1|22,r2c2r2c3r2c4r3c4|17,r1c5r2c5r2c6|14,r2c7r2c8r3c8|19,r3c0r3c1r3c2|13,r3c5r3c6r3c7|11,r4c0r4c1|17,r3c3r4c2r4c3r5c3|24,r4c4r4c5r4c6r4c7r4c8|11,r5c0r5c1r5c2|19,r5c5r5c6r5c7|20,r6c0r6c1r7c0|21,r5c4r6c2r6c3r6c4|13,r6c5r6c6r7c5|14,r5c8r6c7r6c8|3,r7c1r7c2|11,r7c3r7c4|12,r8c0r8c1|12,r8c2r8c3|22,r7c6r8c4r8c5r8c6|17,r7c7r7c8r8c7r8c8", "solution": "176325849258794613349816725865241397924637158731589462697153284512478936483962571", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4536, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4537, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-11-30", "puzzle": 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"0,r0c3r0c4r1c3|0,r0c5r0c6|0,r0c7r0c8|24,r0c0r0c1r1c0r1c1|8,r0c2r1c2|14,r1c5r1c6|0,r1c7r1c8r2c8|6,r2c0r2c1|0,r2c2r2c3r3c2r3c3r3c4r4c3|17,r1c4r2c4|5,r2c5r3c5|16,r2c7r3c7|21,r3c0r3c1r4c0|6,r4c1r4c2|22,r4c4r4c5r5c4|9,r2c6r3c6r4c6|5,r5c2r5c3|11,r4c7r5c7|0,r3c8r4c8r5c8r6c8|0,r5c0r6c0|0,r5c1r6c1|19,r6c2r6c3r6c4|10,r5c5r5c6r6c5|0,r7c2r7c3|7,r7c4r7c5|23,r6c6r6c7r7c6r7c7|3,r7c0r8c0|0,r7c1r8c1r8c2|0,r8c3r8c4r8c5r8c6|12,r7c8r8c7r8c8", "solution": "896147325342596817517382694681453279724869153953271468468925731179634582235718946", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4538, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4539, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-12-01", "puzzle": 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"10,r0c0r0c1r1c0|10,r0c2r1c2|11,r0c3r1c3|12,r0c4r1c4|14,r0c5r1c5|7,r0c6r1c6|11,r0c7r0c8r1c8|15,r1c1r2c1|23,r2c2r2c3r2c4r2c5r2c6|11,r1c7r2c7|23,r2c0r3c0r3c1r4c0r5c0|35,r3c2r3c3r3c4r3c5r3c6r4c3r4c5|27,r2c8r3c7r3c8r4c8r5c8|11,r4c1r4c2|9,r4c6r4c7|14,r5c1r5c2r5c3|20,r4c4r5c4r6c4r7c4r8c4|19,r5c5r5c6r5c7|18,r6c0r6c1r6c2r7c2|24,r6c6r6c7r6c8r7c6|13,r7c0r7c1|6,r6c3r7c3|10,r6c5r7c5|9,r7c7r7c8|7,r8c0r8c1|15,r8c2r8c3|12,r8c5r8c6|9,r8c7r8c8", "solution": "321798564579436281486251937794685123138972456265314879853147692942563718617829345", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4546, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4548, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-12-02", "puzzle": 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"24,r0c0r0c1r1c0|17,r0c3r0c4r0c5|13,r0c7r0c8r1c8|10,r0c2r1c1r1c2|12,r0c6r1c6r1c7|7,r2c1r2c2|9,r1c3r2c3|15,r1c4r2c4r3c4|8,r1c5r2c5|17,r2c6r2c7|5,r2c0r3c0|9,r3c1r3c2|12,r3c6r3c7|9,r2c8r3c8|17,r4c0r4c1r4c2|11,r3c3r4c3|13,r4c4r5c4|14,r3c5r4c5|10,r4c6r4c7r4c8|9,r5c0r5c1|10,r5c2r5c3|7,r5c5r5c6|12,r5c7r5c8|23,r6c0r6c1r7c1|15,r6c3r6c4r6c5|13,r6c7r6c8r7c7|11,r6c2r7c2r7c3|16,r6c6r7c5r7c6|9,r7c0r8c0|13,r8c1r8c2r8c3|9,r7c4r8c4|17,r8c5r8c6r8c7|9,r7c8r8c8", "solution": "972638451853491627416527983127845396548369172369172548684753219795216834231984765", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4549, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4550, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-12-03", "puzzle": 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"19,r0c3r0c4r0c5|17,r0c6r0c7r1c7|9,r0c0r1c0|14,r0c1r1c1|12,r0c2r1c2r1c3|10,r1c5r1c6|7,r0c8r1c8|6,r2c0r2c1|17,r2c2r2c3|5,r1c4r2c4|13,r2c5r2c6|8,r3c3r3c4|10,r3c5r3c6|8,r2c7r3c7|13,r2c8r3c8|17,r3c0r4c0|8,r3c1r4c1|5,r3c2r4c2|7,r4c3r4c4r4c5|6,r4c6r5c6|12,r4c7r5c7|8,r4c8r5c8|12,r5c0r6c0|10,r5c1r6c1|12,r5c2r5c3|16,r5c4r5c5|7,r6c2r6c3|12,r6c4r7c4|5,r6c5r6c6|14,r6c7r6c8|3,r7c0r8c0|16,r7c2r7c3|15,r7c5r7c6r8c6|10,r7c7r8c7|8,r7c8r8c8|16,r7c1r8c1r8c2|18,r8c3r8c4r8c5", "solution": "391568724657421983428937615912356478873214596564879132746182359239745861185693247", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4554, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4555, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-12-04", "puzzle": 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"0,r0c1r0c2r0c3|0,r0c4r0c5|15,r0c6r0c7r1c6|0,r0c0r1c0|6,r1c1r1c2r2c2|0,r1c4r1c5r2c5|10,r0c8r1c8|11,r2c0r2c1r3c0|0,r1c3r2c3|0,r2c6r3c6r4c6|13,r1c7r2c7r2c8|0,r3c1r3c2|0,r2c4r3c3r3c4|0,r3c7r3c8|0,r4c3r4c4r5c4|16,r3c5r4c5|3,r4c7r4c8|18,r4c1r4c2r5c1|15,r5c2r5c3r6c2|22,r5c7r5c8r6c7|15,r4c0r5c0r6c0|0,r6c3r6c4|7,r5c5r5c6r6c5|0,r6c6r7c6|0,r6c1r7c0r7c1|0,r7c2r7c3|16,r6c8r7c8r8c8|3,r8c0r8c1|16,r8c2r8c3|6,r7c4r8c4|0,r7c5r8c5|15,r7c7r8c6r8c7", "solution": "679234158813675942452198763241567839736489521598312476364851297985726314127943685", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4557, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4558, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-12-04", "puzzle": 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"14,r0c0r0c1|25,r0c2r0c3r0c4r0c5r0c6r1c4|15,r0c7r0c8|10,r1c0r2c0|14,r1c1r1c2r2c1|12,r1c3r2c2r2c3|12,r1c5r2c5r2c6|12,r1c6r1c7r2c7|14,r1c8r2c8|12,r2c4r3c4r4c4|9,r3c0r3c1r4c0|29,r3c2r3c3r4c1r4c2r4c3|32,r3c5r3c6r4c5r4c6r4c7|15,r3c7r3c8r4c8|9,r5c2r5c3|15,r5c5r5c6|11,r5c0r6c0|11,r5c1r6c1r6c2|40,r5c4r6c3r6c4r6c5r7c3r7c4r7c5|9,r5c7r6c6r6c7|10,r5c8r6c8|33,r7c0r7c1r7c2r8c0r8c1r8c2|29,r7c6r7c7r7c8r8c6r8c7r8c8|13,r8c3r8c4r8c5", "solution": "596342187873691245241578369124739856689125734735486912417953628358267491962814573", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4560, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4562, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-12-05", "puzzle": "8,r0c2r0c3|15,r0c5r0c6|16,r0c0r0c1r1c0|0,r0c4r1c4r2c4|7,r0c7r0c8r1c8|13,r2c0r3c0r3c1|17,r1c1r1c2r2c1|0,r1c6r1c7r2c7|15,r2c8r3c7r3c8|9,r2c2r3c2|20,r1c3r2c3r3c3|0,r1c5r2c5r3c5|12,r2c6r3c6|17,r4c0r4c1|5,r4c2r4c3|0,r3c4r4c4r5c4|0,r4c5r4c6|10,r4c7r4c8|0,r5c0r5c1|0,r5c2r5c3|5,r5c5r5c6|17,r5c7r5c8|0,r6c0r6c1|7,r6c3r6c4r6c5|13,r6c7r6c8|9,r7c0r7c1|10,r6c2r7c2|24,r7c3r7c4r7c5|0,r6c6r7c6|0,r7c7r7c8|0,r8c0r8c1r8c2|14,r8c3r8c4r8c5|19,r8c6r8c7r8c8", "solution": "713586924829347651465912738274839516981465273356271489598124367632798145147653892", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4562, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4563, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2011-12-05", "puzzle": 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"14,r0c0r0c1|18,r0c5r0c6r0c7|3,r0c8r1c8|12,r1c0r1c1|6,r0c2r0c3r1c2|16,r0c4r1c4|18,r1c6r1c7r2c6|9,r1c3r2c3|13,r1c5r2c4r2c5|12,r2c7r2c8|11,r2c0r3c0|17,r2c1r2c2r3c1|17,r3c2r3c3r3c4|12,r4c1r4c2|16,r4c3r5c3|9,r3c6r3c7r4c6|15,r3c8r4c8r5c8|10,r4c0r5c0|3,r5c1r5c2|7,r4c4r5c4|11,r3c5r4c5r5c5|22,r4c7r5c7r6c7|23,r6c1r6c2r6c3|5,r5c6r6c6|7,r6c0r7c0r8c0|11,r7c2r7c3|14,r6c4r6c5r7c4|12,r7c5r7c6|18,r6c8r7c8r8c8|10,r7c1r8c1|10,r8c2r8c3|6,r8c4r8c5|18,r7c7r8c6r8c7", "solution": "953176842842593761617428539596384217384712695721965483269837154175649328438251976", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4564, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4565, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-12-06", "puzzle": 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"10,r0c0r0c1|8,r0c2r0c3|8,r0c4r0c5|10,r1c1r1c2r1c3|16,r1c4r1c5|11,r0c6r1c6|6,r0c7r1c7|13,r0c8r1c8|15,r1c0r2c0|15,r2c4r2c5r3c5|6,r2c7r2c8|14,r2c1r3c1r3c2|14,r2c2r2c3r3c3|13,r2c6r3c6|10,r3c7r3c8|21,r4c1r4c2r4c3|11,r3c4r4c4r5c4|9,r4c5r4c6|9,r4c7r4c8|13,r3c0r4c0r5c0|13,r5c1r5c2r6c1|19,r5c3r6c2r6c3|7,r5c6r6c6|16,r5c7r5c8|6,r6c0r7c0|14,r5c5r6c4r6c5|13,r6c7r6c8|17,r7c1r7c2r7c3|10,r7c4r7c5|13,r7c6r8c6|12,r7c7r8c7|5,r7c8r8c8|6,r8c0r8c1|14,r8c2r8c3|8,r8c4r8c5", "solution": "913562847854197326762384915671953482495728163328641579139476258587219634246835791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4569, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4568, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-12-06", "puzzle": "17,r0c0r0c1|0,r0c2r0c3r1c2r1c3|7,r0c6r1c6|4,r1c0r1c1|0,r0c4r0c5r1c4|0,r0c7r1c7|0,r0c8r1c8r2c8|13,r2c1r2c2|0,r2c3r2c4|0,r1c5r2c5|0,r2c0r3c0r4c0r5c0r6c0|0,r3c2r3c3|0,r3c4r3c5|8,r2c6r2c7r3c6|0,r3c1r4c1r5c1|4,r4c2r4c3|0,r4c4r4c5r4c6|27,r3c7r3c8r4c7r4c8r5c7r5c8|0,r5c2r5c3|6,r5c4r5c5|0,r5c6r6c6r6c7|14,r6c1r6c2|15,r6c3r6c4|5,r6c5r7c5|0,r7c0r7c1|16,r7c4r8c4r8c5|10,r7c7r8c7|0,r6c8r7c8r8c8|0,r8c0r8c1|24,r7c2r7c3r8c2r8c3|0,r7c6r8c6", "solution": "984236571135748296276195348543987162861324957792651834659872413418563729327419685", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4568, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4570, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-12-07", "puzzle": "28,r0c1r0c2r0c3r0c4r1c1|10,r0c6r0c7r0c8|10,r0c0r1c0|21,r0c5r1c4r1c5|14,r1c6r1c7|21,r2c0r2c1r3c0r3c1|5,r1c2r2c2|6,r1c3r2c3|11,r2c6r2c7|10,r1c8r2c8|9,r3c2r4c2|4,r2c4r3c4|12,r2c5r3c5|19,r3c6r3c7r4c7|11,r4c0r5c0|30,r3c3r4c3r4c4r4c5r5c5|11,r3c8r4c8|12,r4c1r5c1r5c2|10,r5c3r6c3|12,r5c4r6c4|12,r4c6r5c6|17,r6c0r7c0|8,r6c1r6c2|8,r6c5r7c5|9,r6c6r7c6|12,r5c7r5c8r6c7r6c8|7,r7c1r7c2|16,r7c3r7c4r8c3|15,r7c8r8c8|13,r8c0r8c1r8c2|22,r7c7r8c4r8c5r8c6r8c7", "solution": "759428163384176592261539478492813657517692384638745921926381745843957216175264839", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4570, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4571, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-12-07", "puzzle": 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"14,r0c1r0c2r0c3|9,r0c4r0c5r1c5|12,r0c0r1c0|18,r0c6r0c7r1c6|7,r1c7r2c7|14,r1c1r2c0r2c1|19,r1c2r2c2r3c2|6,r1c3r2c3|23,r1c4r2c4r2c5|9,r2c6r3c6r4c6|17,r0c8r1c8r2c8|4,r3c0r3c1|15,r3c7r3c8|11,r4c0r4c1|9,r3c3r4c2r4c3|12,r3c4r4c4|17,r3c5r4c5|9,r4c7r4c8|23,r5c0r5c1r6c1|9,r5c2r6c2|15,r5c3r6c3|8,r5c4r5c5r5c6|8,r6c5r6c6|15,r5c7r6c7|6,r5c8r6c8r7c8|14,r6c0r7c0r7c1|11,r7c2r7c3r8c2|14,r6c4r7c4r7c5|19,r7c6r7c7r8c6|11,r8c0r8c1|19,r8c3r8c4r8c5|8,r8c7r8c8", "solution": "516723894783594126249186357137458269652379418894612573465931782378265941921847635", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4574, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4575, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2011-12-08", "puzzle": 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"0,r0c0r0c1r0c2r1c2|7,r0c7r0c8|0,r1c0r1c1|8,r0c3r1c3|0,r0c4r1c4|16,r0c5r1c5|19,r0c6r1c6r1c7|0,r2c1r2c2|10,r2c4r2c5|0,r2c6r2c7|0,r1c8r2c8|13,r2c0r3c0r4c0|0,r2c3r3c3|0,r3c4r3c5r3c6r4c6|0,r3c7r3c8|0,r3c1r3c2r4c1|0,r4c3r4c4r4c5|0,r4c7r5c6r5c7|0,r5c0r5c1|21,r4c2r5c2r5c3r5c4|0,r5c5r6c5|18,r4c8r5c8r6c8|0,r6c0r7c0|8,r6c1r6c2|0,r6c3r6c4|0,r6c6r6c7|0,r7c1r7c2r8c2|13,r7c3r8c3|0,r7c4r8c4|0,r7c5r8c5|0,r7c7r7c8|0,r8c0r8c1|12,r7c6r8c6r8c7r8c8", "solution": "243589716956317842187246593598462137762931485314875269635128974421793658879654321", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4578, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4579, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-12-09", "puzzle": 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"10,r0c0r0c1|18,r0c2r1c1r1c2|22,r0c3r0c4r1c3|18,r0c5r0c6r1c6|6,r0c7r1c7|8,r0c8r1c8|4,r1c0r2c0|19,r2c1r2c2r2c3|7,r1c4r1c5r2c4|12,r2c6r2c7|13,r3c1r3c2|12,r2c5r3c5|14,r3c7r4c7|7,r2c8r3c8|10,r3c0r4c0|9,r4c2r5c2|8,r3c3r4c3|23,r3c4r4c4r5c4|6,r4c5r5c5|5,r3c6r4c6|12,r4c8r5c8|11,r5c0r6c0|6,r4c1r5c1|8,r5c3r6c3|11,r5c6r5c7|3,r6c1r6c2|12,r6c4r7c3r7c4|18,r6c5r6c6r6c7|9,r6c8r7c8|14,r7c0r8c0|9,r7c1r8c1|19,r7c2r8c2r8c3|15,r7c5r8c4r8c5|11,r7c6r7c7r8c6|16,r8c7r8c8", "solution": "649853712372941856185627394294765183853192467716384925421579638967238541538416279", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4587, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4586, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-12-10", "puzzle": "24,r0c0r0c1r0c2r1c0r2c0|8,r0c7r0c8|21,r1c1r1c2r2c1r2c2|11,r0c3r1c3|19,r0c4r0c5r1c4|12,r0c6r1c5r1c6|22,r1c7r1c8r2c7r2c8|11,r2c3r2c4|7,r3c0r3c1|7,r2c5r3c5|22,r2c6r3c6r3c7|14,r4c0r4c1r5c0|12,r3c2r4c2|37,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|12,r4c6r4c7r5c6|10,r3c8r4c8|11,r5c2r5c3|12,r5c7r5c8r6c8|18,r5c1r6c0r6c1|14,r6c2r6c3r7c3|17,r6c4r6c5r7c4|6,r6c6r6c7r7c6|27,r7c7r7c8r8c7r8c8|9,r7c0r8c0|19,r7c1r7c2r8c1r8c2|9,r8c3r8c4|14,r7c5r8c5r8c6", "solution": "147629853926583147385741629254136978618497532739258461872964315491375286563812794", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4586, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4588, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-12-11", "puzzle": "16,r0c0r0c1|16,r0c5r0c6r0c7r1c7|19,r0c3r1c3r2c3|12,r0c4r1c4|14,r1c5r1c6|22,r0c8r1c8r2c6r2c7r2c8|16,r1c0r1c1r2c0|13,r0c2r1c2r2c1r2c2|16,r3c2r3c3|20,r2c4r3c4r4c4r5c4r6c4|6,r2c5r3c5|9,r3c6r3c7r3c8|19,r3c0r3c1r4c0r4c1|9,r4c2r4c3|5,r4c5r4c6|28,r4c7r4c8r5c7r5c8|12,r5c0r5c1r5c2|8,r5c3r6c3|15,r5c5r5c6|21,r6c6r6c7r7c6r8c6|19,r6c8r7c7r7c8|20,r6c0r6c1r6c2r7c0r8c0|4,r7c2r7c3|13,r7c4r8c4|20,r6c5r7c5r8c5|28,r7c1r8c1r8c2r8c3|5,r8c7r8c8", "solution": "976851423534276891812934567649782315185463279327519684761325948293148756458697132", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4588, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4589, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2011-12-11", "puzzle": "13,r0c2r0c3r0c4r1c3|14,r0c7r0c8|19,r0c0r1c0r2c0|13,r0c1r1c1|17,r0c5r0c6r1c6r1c7|6,r1c2r2c1r2c2|20,r1c4r2c3r2c4|15,r1c5r2c5|27,r2c6r2c7r3c4r3c5r3c6r3c7|16,r1c8r2c8r3c8|45,r3c0r3c1r3c2r4c0r4c1r4c2r5c0r5c1r5c2|24,r3c3r4c3r4c4r4c5r5c3|17,r4c6r4c7r4c8|10,r6c1r6c2r7c2|16,r6c3r6c4r7c4|3,r6c5r7c5|30,r5c4r5c5r5c6r5c7r6c6r6c7|13,r5c8r6c8r7c8|17,r6c0r7c0r8c0|15,r7c1r8c1|24,r7c6r7c7r8c5r8c6|23,r7c3r8c2r8c3r8c4|8,r8c7r8c8", "solution": "687314259951267834432958617149623785378145926526879143715492368864731592293586471", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4589, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4590, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-12-11", "puzzle": "13,r0c0r0c1r1c0|0,r0c2r0c3|17,r0c7r0c8r1c8|10,r0c4r1c3r1c4|18,r0c5r0c6r1c5|14,r1c6r1c7|0,r2c0r3c0|17,r1c1r1c2r2c1|0,r2c3r2c4r3c3|0,r2c5r2c6|5,r3c4r3c5|0,r2c7r3c6r3c7|3,r3c1r4c1|21,r2c2r3c2r4c2|0,r4c6r4c7r5c6|11,r2c8r3c8r4c8|0,r4c0r5c0r6c0|14,r4c3r5c3|11,r4c4r5c4|0,r4c5r5c5|15,r5c1r6c1|0,r5c2r6c2|9,r6c5r6c6|13,r5c8r6c8|0,r7c1r7c2r8c2|23,r6c3r6c4r7c3|3,r7c4r7c5|19,r5c7r6c7r7c7|0,r7c0r8c0r8c1|0,r8c3r8c4r8c5|13,r7c6r8c6|0,r7c8r8c7r8c8", "solution": "741359268268147953935268714329714685517986342684532197172895436453621879896473521", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4590, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4591, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2011-12-11", "puzzle": 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"10,r0c1r0c2|9,r0c3r0c4|16,r0c7r0c8r1c8|7,r0c0r1c0|14,r1c1r1c2|14,r1c3r1c4|5,r0c5r1c5|13,r0c6r1c6|14,r2c0r2c1r2c2|16,r2c3r2c4|10,r1c7r2c6r2c7|9,r3c2r3c3|13,r2c5r3c5r4c5|11,r2c8r3c8|10,r3c0r4c0|20,r3c1r4c1r5c1|6,r4c2r5c2|8,r3c6r4c6|15,r3c7r4c7r5c7|10,r4c8r5c8|10,r5c0r6c0|15,r4c3r5c3r6c3|11,r3c4r4c4r5c4|16,r5c5r5c6|12,r6c1r6c2r7c1|8,r6c4r6c5|21,r6c6r6c7r6c8|6,r7c2r8c2|10,r7c3r8c3|11,r7c4r7c5|11,r7c6r7c7|5,r7c8r8c8|20,r7c0r8c0r8c1|11,r8c4r8c5|8,r8c6r8c7", "solution": "637452918159683427428791356896317245271845639345269781713526894982174563564938172", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4597, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4598, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2011-12-13", "puzzle": 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"26,r0c2r0c3r0c4r0c5r0c6|15,r0c0r1c0|12,r0c1r1c1|6,r1c2r1c3|12,r1c5r1c6|5,r0c7r1c7|11,r0c8r1c8|11,r2c1r2c2r2c3|4,r1c4r2c4|19,r2c5r2c6r2c7|9,r2c0r3c0|18,r3c3r3c4r3c5|15,r2c8r3c8|23,r3c1r3c2r4c0r4c1|23,r4c2r4c3r4c4r4c5r4c6|16,r3c6r3c7r4c7r4c8|5,r5c0r5c1|11,r5c7r5c8|7,r6c0r6c1|27,r5c2r5c3r6c2r6c3r7c3|13,r5c4r6c4|25,r5c5r5c6r6c5r6c6r7c5|16,r6c7r6c8|6,r7c4r8c4|10,r7c0r8c0|21,r7c1r7c2r8c1|10,r8c2r8c3|12,r8c5r8c6|14,r7c6r7c7r8c7|3,r7c8r8c8", "solution": "731896245892435716645217938359684127278153694416972583524361879187549362963728451", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4603, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4602, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-12-14", "puzzle": 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"18,r0c0r0c1r1c1r1c2|10,r0c2r0c3|14,r0c4r0c5r1c5|15,r0c7r0c8|7,r1c3r1c4|0,r0c6r1c6r1c7|21,r1c0r2c0r2c1r2c2|0,r2c3r2c4r3c4|8,r1c8r2c8|0,r3c0r3c1|11,r3c2r3c3|0,r2c5r3c5|0,r2c6r3c6|0,r2c7r3c7r3c8|0,r4c0r4c1|0,r4c2r4c3r4c4|0,r4c5r4c6|3,r4c7r4c8|0,r5c0r5c1|3,r5c2r5c3|10,r5c5r6c5|0,r5c6r6c6|15,r5c7r5c8r6c7|0,r6c0r6c1r6c2r7c0|0,r5c4r6c3r6c4|7,r6c8r7c8|13,r7c3r7c4|21,r7c6r7c7r8c6|0,r7c1r7c2r8c0r8c1|0,r8c2r8c3|8,r7c5r8c4r8c5|0,r8c7r8c8", "solution": "156429378748613592293578146619237485437895621582164937971386254825941763364752819", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4601, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4604, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2011-12-14", "puzzle": "21,r0c0r0c1r0c2|9,r0c3r0c4r0c5|15,r0c6r0c7r0c8|45,r1c1r1c2r1c3r1c4r1c5r1c6r1c7r2c4r3c4|23,r1c0r2c0r3c0r4c0r5c0|18,r2c1r2c2r3c1r4c1r5c1|19,r2c6r2c7r3c7r4c7r5c7|21,r1c8r2c8r3c8r4c8r5c8|13,r2c3r3c3|16,r2c5r3c5|15,r3c2r4c2r4c3|14,r3c6r4c5r4c6|13,r4c4r5c4|12,r5c2r6c2|29,r5c3r5c5r6c3r6c4r6c5|10,r5c6r6c6|15,r6c0r7c0r8c0|9,r6c1r7c1|20,r7c2r7c3r7c4r7c5r7c6|10,r6c7r7c7|22,r6c8r7c8r8c8|15,r8c1r8c2|16,r8c3r8c4r8c5|5,r8c6r8c7", "solution": "768135492953642871142897356234519687689273514517468923375926148821354769496781235", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4604, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4605, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2011-12-14", "puzzle": 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"17,r0c0r0c1r0c2|0,r0c3r0c4r1c4|8,r0c5r0c6|0,r1c0r1c1|0,r1c3r2c3|12,r1c5r1c6|0,r0c7r1c7|6,r0c8r1c8r2c8|11,r2c0r2c1|0,r1c2r2c2|0,r2c4r2c5|0,r2c6r2c7|13,r3c5r3c6r4c6|12,r3c7r3c8|12,r3c0r3c1r3c2r4c0|15,r3c3r3c4r4c3|0,r4c4r4c5r5c4r5c5r5c6r5c7r6c4|0,r4c7r4c8|32,r4c1r4c2r5c0r5c1r6c0|16,r5c2r5c3r6c3|0,r6c1r6c2|14,r6c6r6c7|0,r5c8r6c8r7c8|15,r7c0r7c1r7c2r8c2|0,r6c5r7c5r8c5|0,r7c6r7c7r8c6|14,r8c0r8c1|0,r7c3r8c3|0,r7c4r8c4|0,r8c7r8c8", "solution": "935681742168247593742359861316928475289475136457163289673812954824596317591734628", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4626, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4627, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2011-12-19", "puzzle": 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"11,r0c1r0c2|21,r0c3r0c4r0c5|3,r0c6r0c7|17,r0c0r1c0r1c1|16,r1c2r1c3r1c4|7,r1c5r1c6|13,r0c8r1c8r2c8|7,r2c1r2c2|11,r2c3r2c4|13,r2c5r2c6|15,r1c7r2c7|5,r2c0r3c0|5,r3c4r4c4|13,r3c8r4c8r5c8|15,r3c1r4c1|4,r3c2r4c2|12,r3c3r4c3|14,r3c5r4c5|10,r3c6r4c6|13,r3c7r4c7|13,r4c0r5c0|4,r5c5r5c6|10,r5c1r5c2r6c1|12,r5c3r6c3|13,r5c4r6c4|12,r6c5r6c6|9,r5c7r6c7|5,r6c0r7c0|10,r6c2r7c2|10,r7c3r7c4r8c4|15,r7c5r7c6|22,r6c8r7c7r7c8|24,r7c1r8c0r8c1|11,r8c2r8c3|7,r8c5r8c6|3,r8c7r8c8", "solution": "638957124749162583152384976461538297593726841827491365216845739374219658985673412", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4632, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4633, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2011-12-20", "puzzle": 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"18,r0c0r0c1r0c2|10,r0c4r0c5|11,r0c6r0c7|0,r1c0r2c0r2c1|8,r1c1r1c2|11,r0c3r1c3r2c3|0,r0c8r1c7r1c8|0,r2c2r3c2r4c2|20,r1c4r1c5r2c4|0,r1c6r2c5r2c6|7,r2c7r2c8|0,r3c3r3c4|0,r3c5r3c6|0,r3c0r4c0r5c0|0,r3c1r4c1r5c1|0,r4c3r4c4r4c5|0,r3c7r4c7r5c7|9,r3c8r4c8r5c8|10,r5c2r5c3|3,r5c4r5c5|0,r6c0r6c1|18,r6c2r6c3r7c2|12,r6c4r7c3r7c4|10,r4c6r5c6r6c6|7,r7c0r7c1r8c0|15,r6c5r7c5r8c5|13,r7c6r7c7|16,r6c7r6c8r7c8|13,r8c1r8c2|11,r8c3r8c4|0,r8c6r8c7r8c8", "solution": "846173925971256348325894761152937684639548172784612593598721436213469857467385219", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4640, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4641, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2011-12-21", "puzzle": "22,r0c4r0c5r0c6|26,r0c0r0c1r0c2r1c0r1c1r2c0|0,r0c3r1c3r2c3r2c4|0,r1c4r1c5r1c6|27,r0c7r0c8r1c7r1c8r2c8|0,r1c2r2c1r2c2|6,r2c5r2c6|20,r3c0r3c1r3c2r4c2|23,r3c3r3c4r4c3|0,r3c5r3c6|0,r2c7r3c7|0,r3c8r4c8|0,r4c1r5c1r6c1|0,r4c4r4c5r5c4|11,r4c6r4c7|10,r4c0r5c0r6c0|21,r5c5r5c6r6c5r6c6|11,r5c2r6c2|0,r5c3r6c3|0,r5c7r6c7|6,r5c8r6c8|27,r7c0r7c1r8c0r8c1r8c2|6,r7c2r7c3|16,r6c4r7c4|15,r7c5r7c6|0,r7c7r7c8r8c7r8c8|7,r8c3r8c4|10,r8c5r8c6", "solution": "312459876754386129896712453281965347479831562563247981148673295625198734937524618", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4641, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4642, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-12-22", "puzzle": 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"12,r0c2r0c3r0c4|22,r0c6r0c7r0c8|0,r0c0r0c1r1c0|0,r1c2r1c3|19,r0c5r1c4r1c5|8,r1c7r1c8r2c8|0,r1c1r2c1|24,r2c2r2c3r3c2|0,r2c4r2c5|10,r1c6r2c6|0,r2c0r3c0|11,r3c6r4c6|13,r2c7r3c7|3,r3c8r4c8|11,r3c1r4c1|14,r3c3r4c3r5c3|19,r3c4r4c4r5c4|12,r3c5r4c5r5c5|0,r4c7r5c7|8,r4c0r5c0|0,r5c1r6c1|8,r4c2r5c2|17,r5c8r6c8|0,r6c2r7c2|12,r6c3r6c4|0,r5c6r6c5r6c6|0,r6c7r7c7|15,r6c0r7c0r7c1|16,r7c3r7c4r8c3|0,r7c5r7c6|0,r7c8r8c7r8c8|0,r8c0r8c1r8c2|14,r8c4r8c5r8c6", "solution": "214358967765429813938716254179543682346892571582167439627935148453281796891674325", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4660, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4662, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2011-12-26", "puzzle": 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"22,r0c0r0c1r0c2|5,r0c3r0c4|10,r0c5r0c6r0c7|13,r1c0r2c0|7,r1c1r2c1|12,r1c3r1c4|17,r1c6r2c6r3c6|17,r0c8r1c7r1c8|8,r1c2r2c2r3c2|10,r2c3r2c4|17,r1c5r2c5|10,r3c0r3c1|8,r2c7r3c7|12,r2c8r3c8|17,r4c0r4c1r4c2|16,r3c3r4c3r5c3|17,r3c4r4c4r5c4|12,r3c5r4c5r5c5|11,r4c6r4c7r4c8|9,r5c0r5c1|17,r5c7r6c7|9,r5c8r6c8|16,r5c2r6c2r7c2|3,r6c3r6c4|9,r6c5r7c5|13,r6c0r7c0|7,r6c1r7c1|17,r7c3r7c4|9,r5c6r6c6r7c6|15,r7c7r7c8r8c8|13,r8c0r8c1r8c2|10,r8c3r8c4|17,r8c5r8c6r8c7", "solution": "976321458841579236532468719195642873287953641364187592659214387723895164418736925", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4702, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4704, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-01-03", "puzzle": "18,r0c0r0c1r1c0r1c1|13,r0c2r0c3|27,r0c4r0c5r0c6r0c7r0c8|12,r1c4r1c5|13,r1c6r1c7|24,r1c2r1c3r2c1r2c2r3c1|25,r2c4r2c5r2c6r3c6|12,r1c8r2c7r2c8|4,r2c0r3c0|13,r2c3r3c2r3c3|7,r3c4r3c5|18,r4c4r4c5r5c4|14,r3c7r4c6r4c7r5c7|15,r3c8r4c8|11,r4c1r5c1|19,r4c2r5c2r6c2r6c3|10,r4c3r5c3|16,r5c5r5c6r6c5|7,r5c8r6c8|11,r6c1r7c1|10,r6c4r7c3r7c4r7c5|30,r4c0r5c0r6c0r7c0r8c0|16,r7c2r8c1r8c2|15,r8c3r8c4|8,r8c5r8c6|37,r6c6r6c7r7c6r7c7r7c8r8c7r8c8", "solution": "418526793762193854359478126173652948524389617896714532931847265685231479247965381", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4704, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4705, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-01-03", "puzzle": 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"8,r0c1r0c2|14,r0c4r1c4|8,r0c6r0c7|9,r0c0r1c0r1c1|16,r0c3r1c2r1c3|21,r0c5r1c5r1c6|14,r0c8r1c7r1c8|15,r2c1r2c2|15,r2c6r2c7|15,r2c0r3c0r4c0|12,r2c3r3c3|5,r2c4r3c4|4,r2c5r3c5|18,r2c8r3c8r4c8|17,r3c1r4c1|15,r3c2r4c2r5c2|16,r4c4r5c4r6c4|11,r3c6r4c6r5c6|4,r3c7r4c7|3,r5c0r5c1|12,r4c3r5c3|11,r4c5r5c5|14,r5c7r5c8|11,r6c0r6c1|15,r6c2r6c3r7c2|14,r6c5r6c6r7c6|11,r6c7r6c8|21,r7c0r7c1r8c0|7,r8c1r8c2|4,r7c3r8c3|10,r7c4r8c4|11,r7c5r8c5|11,r8c6r8c7|13,r7c7r7c8r8c8", "solution": "271698354348257691569413872695841237483762519127539486832974165754186923916325748", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4712, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4713, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-01-05", "puzzle": 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"0,r0c4r0c5r0c6|6,r0c0r1c0|4,r0c1r1c1|14,r0c2r0c3r1c2|8,r1c3r1c4|0,r1c5r1c6r2c6|11,r0c7r1c7|0,r0c8r1c8r2c8|18,r2c1r2c2r2c3|0,r2c4r2c5|20,r3c1r3c2r4c1r5c1r5c2|8,r3c3r3c4|11,r3c5r3c6|0,r2c7r3c7|15,r4c2r4c3|0,r4c4r4c5|0,r4c6r4c7|0,r3c8r4c8r5c8|30,r2c0r3c0r4c0r5c0r6c0|0,r5c3r5c4|13,r5c5r5c6|11,r5c7r6c7|19,r6c1r6c2r6c3|9,r6c4r6c5|9,r7c0r8c0|10,r7c1r8c1|0,r7c2r8c2r8c3|13,r7c3r7c4|0,r6c6r7c5r7c6|4,r7c7r8c7|0,r6c8r7c8r8c8|0,r8c4r8c5r8c6", "solution": "235198764418267359796345281324716598957834126681529473573981642842673915169452837", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4715, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4717, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-01-06", "puzzle": 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"10,r0c2r0c3r0c4|8,r0c6r0c7|19,r0c0r0c1r1c0|11,r1c2r2c2|19,r1c3r1c4r2c3|13,r0c5r1c5r1c6|17,r0c8r1c7r1c8|10,r1c1r2c1r3c1|23,r2c5r2c6r3c5r3c6|12,r2c7r2c8|6,r2c0r3c0|7,r3c2r3c3|14,r2c4r3c4|25,r4c0r4c1r4c2r4c3|8,r4c4r4c5|23,r3c7r4c6r4c7r5c7|8,r3c8r4c8r5c8|9,r5c0r6c0|9,r5c2r5c3|12,r5c4r6c4|16,r5c1r6c1r7c1|18,r5c5r5c6r6c5r6c6|11,r6c7r6c8|15,r7c0r8c0r8c1|14,r6c2r7c2|13,r6c3r7c3r7c4|14,r7c5r7c6r8c5|24,r7c7r7c8r8c8|13,r8c2r8c3r8c4|4,r8c6r8c7", "solution": "947218536658374192123956748536192874874635921291847653719483265365721489482569317", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4719, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4720, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-01-06", "puzzle": 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"9,r0c0r0c1r1c0|3,r0c2r0c3|17,r0c4r0c5r1c4|20,r0c6r1c5r1c6|14,r0c7r1c7|6,r0c8r1c8|27,r1c1r1c2r2c1r2c2|10,r1c3r2c3|8,r2c4r2c5|15,r2c0r3c0|7,r3c1r3c2|6,r2c6r3c6|9,r2c7r3c7|12,r2c8r3c8|30,r3c3r3c4r3c5r4c3r4c4r5c3|9,r4c5r4c6|19,r4c7r4c8r5c7r5c8|17,r4c0r4c1r5c0|10,r4c2r5c2|21,r5c1r6c0r6c1|10,r6c2r6c3|8,r5c4r6c4|15,r5c5r5c6r6c5|12,r6c6r6c7r7c6|8,r7c0r7c1|8,r7c2r7c3|8,r8c0r8c1|12,r8c2r8c3|22,r7c4r7c5r8c4r8c5|33,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "431276985257948361869135274716359428598412736342867519984623157173584692625791843", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4723, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4724, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-01-07", "puzzle": "18,r0c1r0c2r1c2|14,r0c6r0c7|13,r0c0r1c0|28,r0c3r0c4r0c5r1c3r1c4|8,r1c6r1c7|22,r0c8r1c8r2c8r3c8|15,r1c1r2c0r2c1r3c1r3c2|12,r2c2r2c3|32,r1c5r2c4r2c5r3c4r4c4r4c5r5c5|18,r2c6r3c5r3c6|24,r2c7r3c7r4c7r4c8r5c7r5c8|7,r3c0r4c0|28,r3c3r4c1r4c2r4c3r5c1|12,r4c6r5c6|17,r5c0r6c0|17,r5c2r6c1r6c2|29,r5c3r6c3r7c3r7c4r8c3r8c4|13,r5c4r6c4|6,r6c5r6c6|12,r7c0r7c1r7c2|31,r6c7r7c5r7c6r7c7r8c5r8c6r8c7|19,r6c8r7c8r8c8|10,r8c0r8c1r8c2", "solution": "719453682628791534354826179241538967567149823893267451986374215435612798172985346", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4724, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4722, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-01-07", "puzzle": 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"17,r0c0r0c1|0,r0c2r0c3r0c4|0,r0c6r0c7|9,r1c0r1c1r2c0|0,r1c2r1c3|0,r0c5r1c4r1c5|0,r1c6r1c7|0,r0c8r1c8|0,r2c2r2c3|0,r2c4r2c5|6,r2c1r3c1|11,r3c2r3c3|25,r3c4r3c5r4c4r4c5r5c4r5c5|0,r2c6r3c6|24,r2c7r2c8r3c7r3c8|21,r3c0r4c0r5c0|12,r4c1r4c2r4c3|12,r4c6r4c7r4c8|9,r5c1r6c1|14,r5c2r5c3|5,r5c6r6c6|18,r5c7r5c8r6c7r6c8|15,r6c2r6c3|14,r6c4r6c5|13,r6c0r7c0r7c1|5,r7c2r7c3|0,r7c4r7c5r8c5|17,r7c6r7c7|7,r7c8r8c8|14,r8c0r8c1|12,r8c2r8c3r8c4|13,r8c6r8c7", "solution": "984153726356427819127869534745632198612978453839541267268795341473216985591384672", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4726, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4727, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-01-08", "puzzle": 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"23,r0c1r0c2r0c3r0c4|11,r0c0r1c0r2c0|15,r1c1r1c2r1c3|12,r0c5r0c6r1c5r1c6|22,r0c7r0c8r1c7r1c8|11,r2c1r2c2r3c2r3c3|22,r1c4r2c3r2c4|17,r3c0r3c1|14,r3c4r4c4r4c5|28,r2c5r2c6r3c5r3c6|14,r2c7r2c8r3c7r3c8|10,r4c2r4c3|11,r4c6r4c7r5c6|8,r4c0r5c0|11,r4c1r5c1|21,r5c2r5c3r6c2r6c3|11,r5c4r6c4|40,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|19,r5c5r6c5r6c6r7c6|20,r5c7r6c7r7c7|24,r4c8r5c8r6c8r7c8|8,r7c3r7c4|11,r7c5r8c5|6,r8c3r8c4|16,r8c6r8c7r8c8", "solution": "897341652164592387253678914982154763571963428346287591425839176638715249719426835", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4728, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4729, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-01-08", "puzzle": "5,r0c4r0c5|16,r0c6r0c7|10,r0c0r1c0|17,r0c1r0c2r1c1|17,r0c3r1c2r1c3|17,r0c8r1c6r1c7r1c8|10,r2c0r2c1|12,r1c4r2c4|14,r1c5r2c5r2c6r2c7|11,r3c0r3c1|10,r2c2r3c2|9,r2c3r3c3|12,r2c8r3c8|21,r4c0r4c1r4c2r5c1r5c2|39,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|23,r3c6r3c7r4c6r4c7r4c8|13,r5c0r6c0|11,r5c5r6c5|10,r5c6r6c6|5,r5c7r5c8|22,r6c1r6c2r6c3r7c3|12,r6c4r7c4|4,r6c7r6c8|21,r7c0r7c1r7c2r8c0|16,r7c5r7c6r8c5|19,r7c7r8c6r8c7|13,r7c8r8c8|5,r8c1r8c2|11,r8c3r8c4", "solution": "385614972742953186196872453834167529251489367967325814478596231619238745523741698", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4729, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4730, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2012-01-08", "puzzle": "6,r0c2r0c3|14,r0c4r0c5|21,r0c6r0c7r0c8r1c7r1c8|0,r0c0r1c0r2c0|17,r0c1r1c1|3,r1c2r1c3|9,r1c4r1c5|0,r2c1r2c2r3c2|24,r2c3r2c4r2c5r3c3|20,r1c6r2c6r3c6|0,r2c7r2c8|0,r3c4r3c5|7,r3c0r4c0r5c0|0,r4c3r4c4|9,r4c5r4c6|22,r3c7r4c7r5c7|13,r3c8r4c8r5c8|23,r3c1r4c1r4c2r5c1|0,r5c4r5c5|0,r5c2r6c1r6c2|25,r5c3r6c3r6c4r6c5|0,r5c6r6c6r7c6|0,r6c7r6c8|23,r6c0r7c0r8c0|9,r7c1r8c1|0,r7c2r7c3|16,r7c4r7c5|11,r8c2r8c3|3,r8c4r8c5|0,r7c7r7c8r8c6r8c7r8c8", "solution": "784295136592136847316784952467528391159347268238961574641853729823479615975612483", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4730, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4731, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-01-08", "puzzle": "10,r0c0r0c1|13,r0c2r0c3|0,r0c4r0c5r1c4|0,r0c6r0c7|15,r1c0r1c1|0,r1c6r1c7r2c7|16,r0c8r1c8r2c8|0,r1c2r1c3r2c2|13,r2c3r2c4|0,r1c5r2c5r2c6|0,r2c0r3c0|0,r2c1r3c1r3c2|0,r3c3r3c4|11,r3c5r3c6|29,r3c7r3c8r4c7r4c8r5c7r5c8|20,r4c0r4c1r4c2|0,r4c3r4c4|3,r4c5r4c6|10,r5c0r6c0|0,r5c1r5c2r6c1|11,r5c3r5c4|16,r5c5r5c6|19,r6c2r7c2r7c3|0,r6c3r6c4|0,r6c5r6c6r7c5|0,r7c0r7c1|14,r6c7r7c6r7c7|17,r6c8r7c8r8c8|0,r8c0r8c1|17,r8c2r8c3|9,r7c4r8c4r8c5|6,r8c6r8c7", "solution": "284951736967243518315678492742195683893462175651387924426739851178524369539816247", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4731, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4733, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-01-09", "puzzle": "8,r0c5r0c6r1c6|26,r0c0r0c1r0c2r1c0r2c0|12,r1c1r1c2r2c1|16,r0c3r0c4r1c3|8,r1c4r1c5|15,r0c7r1c7|9,r0c8r1c8|17,r2c4r2c5r3c5|12,r2c6r2c7|16,r3c0r3c1r4c0|15,r2c2r2c3r3c2|13,r3c3r3c4r4c3|8,r2c8r3c8|26,r3c6r3c7r4c6r4c7r4c8|13,r4c1r5c1|11,r4c2r5c2r5c3|24,r4c4r4c5r5c4r5c5|13,r5c7r5c8r6c8|19,r5c0r6c0r6c1|29,r6c3r6c4r7c3r7c4r8c4|26,r5c6r6c5r6c6r6c7r7c6r7c7|12,r7c0r7c1|13,r6c2r7c2|17,r7c8r8c7r8c8|5,r8c0r8c1|6,r8c2r8c3|16,r7c5r8c5r8c6", "solution": "928354167465817392317629485172486953893175246546293718689731524754962831231548679", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4733, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4732, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-01-09", "puzzle": 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"0,r0c0r0c1r1c0|0,r0c2r0c3|11,r0c4r0c5|16,r1c1r1c2r2c1r2c2|0,r1c3r1c4r1c5r2c4|3,r0c6r1c6|9,r0c7r1c7|17,r0c8r1c8|0,r2c5r2c6r3c6|0,r2c7r2c8|0,r2c0r3c0|22,r3c1r4c1r4c2r5c1|0,r2c3r3c2r3c3|0,r3c7r3c8|3,r4c0r5c0|35,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|0,r4c6r4c7r5c7r6c7|17,r4c8r5c8r6c8|0,r6c0r6c1|0,r5c2r6c2r6c3|23,r5c5r5c6r6c5r6c6|15,r7c0r7c1|28,r6c4r7c4r7c5r7c6|14,r7c7r7c8r8c7r8c8|6,r8c0r8c1|12,r7c2r8c2|5,r7c3r8c3|18,r8c4r8c5r8c6", "solution": "746392158385716249912548673597631482134827596268954317651289734873465921429173865", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4735, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4736, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-01-09", "puzzle": "12,r0c0r0c1|0,r0c4r0c5r0c6r0c7r0c8r1c6r1c8|0,r1c0r1c1r2c0r3c0|0,r0c2r1c2r2c2|9,r0c3r1c3|0,r1c4r1c5r2c5r2c6|9,r1c7r2c7|14,r2c3r2c4|16,r2c1r3c1|0,r3c3r3c4|0,r3c5r3c6|11,r2c8r3c7r3c8|0,r3c2r4c0r4c1r4c2r4c3r5c2|7,r4c4r4c5|19,r4c6r4c7r4c8|0,r5c1r6c1|5,r5c3r5c4|14,r5c5r5c6|12,r5c7r5c8r6c8|0,r6c3r6c4|19,r5c0r6c0r7c0r7c1|0,r6c2r7c2r8c2|0,r7c3r8c3|18,r6c5r6c6r7c4r7c5|0,r6c7r7c7|8,r8c0r8c1|33,r7c6r7c8r8c4r8c5r8c6r8c7r8c8", "solution": "935164827146872359872593146691487532523916784784325961219638475468751293357249618", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4736, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4737, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-01-10", "puzzle": "11,r0c0r0c1r1c0|13,r0c3r0c4|17,r0c7r1c7|21,r0c2r1c1r1c2|11,r1c3r1c4|10,r0c5r0c6r1c5|3,r0c8r1c8|12,r2c1r2c2|16,r2c3r2c4r2c5|10,r1c6r2c6|7,r3c3r3c4|4,r2c7r3c7|12,r2c8r3c8|7,r2c0r3c0r4c0|23,r3c1r3c2r4c1|11,r4c2r4c3|15,r3c5r4c5|10,r3c6r4c6|17,r4c7r4c8r5c8|11,r5c0r5c1r5c2|12,r4c4r5c3r5c4|12,r5c6r5c7|17,r6c0r7c0|3,r6c2r6c3|13,r5c5r6c5r7c5|8,r6c7r6c8|13,r6c1r7c1|11,r7c2r7c3|16,r6c4r7c4r8c4|10,r6c6r7c6|6,r8c0r8c1|13,r8c2r8c3|5,r8c5r8c6|13,r7c7r8c7|12,r7c8r8c8", "solution": "329764581657381492148529637296438715485617329731295846872146953963852174514973268", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4737, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4739, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-01-10", "puzzle": "28,r0c0r0c1r1c0r2c0|8,r0c2r1c2|31,r0c3r0c4r0c5r1c3r1c4r1c5|7,r0c6r1c6|17,r0c7r0c8r1c8r2c8|7,r1c1r2c1|14,r2c3r2c4r2c5|14,r1c7r2c7|9,r3c0r3c1r4c0|11,r2c2r3c2r3c3|18,r2c6r3c5r3c6|13,r3c7r3c8r4c8|17,r4c2r4c3|21,r3c4r4c4r5c4r6c4r7c4|11,r4c5r4c6|14,r4c1r5c0r5c1|16,r5c2r5c3|6,r5c5r5c6|12,r4c7r5c7r5c8|6,r6c2r6c3|10,r6c5r6c6|17,r6c0r6c1r7c0|16,r6c7r6c8r7c8|19,r7c1r7c2r8c0r8c1|37,r7c3r7c5r8c2r8c3r8c4r8c5r8c6|26,r7c6r7c7r8c7r8c8", "solution": "785294316963187452412653798156372984329845671847961523691538247234719865578426139", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4739, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4738, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-01-10", "puzzle": "11,r0c3r1c3|31,r0c4r0c5r1c5r2c5r3c5|17,r0c6r0c7r1c6r1c7|12,r0c0r0c1r0c2r1c0|16,r1c1r1c2|12,r0c8r1c8|13,r2c1r2c2|8,r1c4r2c4|10,r2c6r2c7|15,r2c0r3c0r4c0|11,r3c1r4c1|23,r2c3r3c2r3c3r3c4|6,r3c6r3c7|9,r2c8r3c8|16,r4c2r4c3r4c4r4c5r4c6|10,r5c0r6c0|8,r5c1r5c2|17,r5c4r5c5r5c6r6c5|13,r4c7r5c7|21,r4c8r5c8r6c8|5,r6c1r6c2|11,r6c4r7c4|14,r6c6r6c7|17,r7c0r8c0|12,r7c6r7c7|10,r7c8r8c6r8c7r8c8|16,r7c1r7c2r8c1r8c2|31,r5c3r6c3r7c3r8c3r8c4|10,r7c5r8c5", "solution": "163589427279614835485273196628947513594136278317825964732451689941368752856792341", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4738, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4740, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-01-10", "puzzle": "7,r0c3r1c3|14,r0c5r0c6|19,r0c0r1c0r2c0|16,r0c1r1c1r2c1|9,r0c2r1c2|17,r0c4r1c4r1c5r1c6|0,r0c7r0c8r1c7r1c8|0,r2c3r2c4|0,r2c5r2c6r3c5r3c6|0,r2c8r3c8|5,r2c2r3c2|6,r3c3r3c4|13,r3c0r4c0|10,r3c1r4c1r4c2|19,r4c3r4c4r5c4|0,r4c5r5c5|0,r4c6r5c6|18,r2c7r3c7r4c7r4c8|18,r5c0r5c1r6c0r6c1|26,r5c2r5c3r6c2r6c3|0,r5c7r5c8|0,r6c5r6c6|0,r6c7r6c8|19,r7c0r7c1r8c0r8c1|17,r7c2r7c3r8c2r8c3|0,r6c4r7c4r7c5|17,r7c6r7c7r7c8|11,r8c4r8c5|18,r8c6r8c7r8c8", "solution": "846135927973682451251794368634517289725948613189263574367829145592471836418356792", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4740, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4742, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-01-11", "puzzle": "8,r0c0r0c1|12,r0c2r0c3|20,r0c4r0c5r1c4|5,r1c0r1c1|16,r0c6r0c7r1c6|8,r0c8r1c8|12,r2c0r2c1|12,r1c2r2c2|18,r1c3r2c3r2c4|3,r1c5r2c5|15,r1c7r2c6r2c7|22,r2c8r3c7r3c8|15,r3c0r4c0r5c0|7,r3c1r3c2|16,r3c3r3c4r3c5|19,r4c1r4c2r4c3|6,r4c4r4c5|12,r3c6r4c6r5c6|6,r4c7r4c8|7,r5c1r5c2|20,r5c3r5c4r5c5|12,r6c0r6c1|3,r6c2r7c2|15,r6c3r6c4r7c3|11,r6c5r7c5|13,r6c6r6c7r7c7|18,r5c7r5c8r6c8|9,r7c0r7c1|20,r7c6r8c6r8c7|5,r7c8r8c8|16,r8c0r8c1|11,r8c2r8c3|13,r7c4r8c4r8c5", "solution": "628459713143762895759831426534286179897315642216947538481593267362178954975624381", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4742, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4743, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-01-11", "puzzle": "26,r0c0r0c1r0c2r1c1r1c2|23,r0c6r0c7r0c8r1c6r1c7|31,r0c3r0c4r0c5r1c3r1c4r1c5|8,r1c0r2c0|22,r2c2r2c3r3c2|9,r2c5r2c6r3c6|10,r1c8r2c8|11,r3c0r4c0|17,r2c1r3c1r4c1|7,r2c4r3c4|12,r2c7r3c7r4c7|15,r3c8r4c8|9,r3c3r4c3|5,r3c5r4c5|12,r4c2r5c1r5c2|18,r4c4r5c4r6c4|19,r4c6r5c6r5c7|5,r5c0r6c0|17,r5c3r6c2r6c3|20,r5c5r6c5r6c6|13,r5c8r6c8|9,r6c1r7c1|22,r7c2r7c3r7c4r7c5r7c6|7,r6c7r7c7|13,r7c0r8c0|40,r8c1r8c2r8c3r8c4r8c5r8c6r8c7|5,r7c8r8c8", "solution": "834176592792845163165923487648751239579234816321698745217469358983517624456382971", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4743, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4744, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-01-11", "puzzle": "15,r0c1r0c2r0c3|16,r0c5r0c6r0c7|21,r0c4r1c3r1c4r1c5|27,r1c2r2c1r2c2r3c1|17,r1c6r2c6r2c7r3c7|21,r0c0r1c0r1c1r2c0r3c0|11,r2c3r3c3|12,r2c4r3c4r4c4|7,r2c5r3c5|30,r0c8r1c7r1c8r2c8r3c8|14,r3c2r4c1r4c2r4c3|18,r3c6r4c5r4c6r4c7|14,r4c0r5c0|35,r5c1r5c2r5c3r6c0r6c1r6c2|28,r5c5r5c6r5c7r6c6r6c7r6c8|16,r4c8r5c8|16,r5c4r6c4r7c4r8c4|14,r6c3r7c3r8c3|16,r6c5r7c5r8c5|14,r7c0r7c1r8c0|12,r7c2r8c1r8c2|18,r7c6r8c6r8c7|13,r7c7r7c8r8c8", "solution": "318697542254381796769245318487932165921456837536718429892174653173569284645823971", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4744, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4746, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-01-11", "puzzle": "14,r0c3r0c4|6,r0c5r0c6|22,r0c7r0c8r1c7r1c8|0,r0c0r1c0r2c0|0,r0c1r1c1r2c1|5,r0c2r1c2|0,r1c3r2c3|14,r1c5r1c6|0,r1c4r2c4|0,r2c5r3c5r4c5r5c5r6c5|10,r2c6r2c7|0,r3c0r3c1r4c0r5c0r5c1|11,r2c2r3c2|15,r3c3r3c4|12,r2c8r3c7r3c8|12,r4c1r4c2|0,r4c3r4c4|26,r3c6r4c6r4c7r4c8r5c6|0,r5c2r6c2|15,r5c3r5c4|12,r5c7r5c8r6c8|6,r6c4r7c4|8,r6c6r6c7|14,r6c0r7c0r8c0|0,r6c1r7c1r8c1|5,r7c2r8c2|12,r6c3r7c3|0,r7c5r7c6|9,r8c3r8c4|0,r8c5r8c6|27,r7c7r7c8r8c7r8c8", "solution": "631592478794138625285647193326781954957324861418965237869453712572819346143276589", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4746, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4747, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-01-12", "puzzle": "18,r0c2r0c3r1c2|11,r0c0r1c0r2c0|12,r0c1r1c1|12,r0c4r1c4r2c4|11,r0c5r1c5|11,r0c6r1c6|12,r0c7r0c8r1c7|5,r2c1r2c2|15,r1c3r2c3|10,r2c5r2c6|11,r1c8r2c8|7,r3c1r3c2|21,r3c3r3c4r3c5|10,r2c7r3c7|10,r3c0r4c0r5c0|20,r4c1r4c2r5c2|16,r4c3r4c4r4c5|8,r3c6r4c6r4c7|19,r3c8r4c8r5c8|10,r5c1r6c1|8,r5c3r5c4r5c5|15,r5c6r5c7|17,r6c0r7c0|11,r6c2r6c3|7,r6c5r7c5|11,r6c6r6c7|12,r7c1r8c0r8c1|8,r7c2r8c2|15,r7c3r8c3|17,r6c4r7c4r8c4|13,r7c7r8c7|10,r6c8r7c8r8c8|12,r7c6r8c5r8c6", "solution": "479132865658749312132856479261498537594367128387215694926583741813974256745621983", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4747, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4748, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-01-12", "puzzle": 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"0,r0c1r0c2r0c3|17,r0c0r1c0|0,r0c4r1c4|3,r0c5r1c5|0,r0c6r0c7r1c6r1c7|5,r0c8r1c8|24,r1c1r1c2r1c3r2c1|9,r2c3r2c4|0,r2c5r2c6r3c6r4c6r5c6r6c5r6c6|0,r2c0r3c0r3c1r4c0r5c0r5c1r6c0|0,r2c2r3c2r3c3|0,r2c7r3c7|0,r2c8r3c8|12,r4c1r4c2|0,r4c3r4c4|0,r4c7r4c8|0,r5c2r5c3r6c2|30,r3c4r3c5r4c5r5c4r5c5|12,r5c7r6c7|14,r5c8r6c8|29,r6c1r7c1r7c2r7c3|3,r6c3r6c4|0,r7c0r8c0|0,r7c4r8c4|8,r7c5r8c5|19,r7c6r7c7r8c6r8c7|8,r7c8r8c8|15,r8c1r8c2r8c3", "solution": "973481562864952713152637894528179346739564128641328975387216459295743681416895237", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4761, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4762, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-01-15", "puzzle": 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"27,r0c0r0c1r1c0r1c1|7,r0c2r0c3|10,r0c5r0c6|15,r0c7r0c8r1c7r1c8|13,r1c2r1c3r2c2|11,r0c4r1c4r2c4|18,r1c5r1c6r2c6|26,r2c0r2c1r3c0r4c0|24,r2c7r2c8r3c8r4c8|19,r2c3r2c5r3c3r3c4r3c5|7,r3c1r4c1|9,r3c2r4c2|14,r3c6r4c6|4,r3c7r4c7|15,r5c0r5c1r5c2r6c0|42,r4c3r4c4r4c5r5c3r5c4r5c5r6c4|26,r5c6r5c7r5c8r6c8|17,r6c1r6c2r7c1|14,r6c6r6c7r7c7|15,r6c3r7c2r7c3|16,r7c4r8c4|9,r6c5r7c5r7c6|7,r7c0r8c0|18,r8c1r8c2r8c3|12,r8c5r8c6r8c7|10,r7c8r8c8", "solution": "695217348483965721721348695847521936932786514156439872374652189268193457519874263", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4764, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4766, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-01-15", "puzzle": "0,r0c2r0c3r0c4r0c5r0c6r1c4|14,r0c0r0c1r1c0|9,r1c1r1c2|9,r1c6r1c7|21,r0c7r0c8r1c8|0,r2c1r2c2|8,r1c3r2c3|0,r1c5r2c5|3,r2c6r2c7|12,r2c0r3c0r4c0|0,r3c1r3c2r3c3|12,r2c4r3c4|20,r3c5r3c6r3c7|16,r2c8r3c8r4c8|0,r4c1r4c2r5c1r6c1|25,r4c6r4c7r5c7r6c7|0,r5c2r5c3|0,r4c3r4c4r4c5r5c4|4,r5c5r5c6|16,r5c0r6c0|29,r6c3r6c4r6c5r7c3r7c5|10,r5c8r6c8|0,r6c2r7c2r8c2|13,r6c6r7c6r8c6|0,r7c0r8c0|0,r7c1r8c1|16,r7c4r8c3r8c4r8c5|12,r7c7r8c7|5,r7c8r8c8", "solution": "153682479872194635496753218234876951615349827987521364741238596528967143369415782", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4766, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4767, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-01-16", "puzzle": "3,r0c0r0c1|16,r0c2r0c3|21,r0c7r0c8r1c7|10,r1c2r1c3|12,r0c4r0c5r1c4|5,r0c6r1c6|11,r1c0r2c0|17,r1c1r2c1|14,r2c2r2c3r2c4|7,r1c5r2c5|13,r1c8r2c7r2c8|4,r3c0r3c1|22,r2c6r3c5r3c6|6,r4c0r5c0|12,r4c1r5c1|14,r3c2r4c2|6,r3c3r4c3|23,r3c4r4c4r5c4|6,r4c5r5c5|15,r4c6r5c6|6,r3c7r4c7|7,r3c8r4c8|14,r5c2r5c3r6c2|8,r5c7r5c8|19,r6c0r6c1r7c0|6,r6c3r7c3|17,r6c4r6c5r6c6|11,r6c7r7c7|15,r6c8r7c8|6,r7c2r8c2|17,r7c4r8c3r8c4|6,r7c5r7c6|18,r7c1r8c0r8c1|9,r8c5r8c6|9,r8c7r8c8", "solution": "127956348683714295594823671318267954276495813459381762742139586861572439935648127", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4767, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4768, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-01-16", "puzzle": 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"31,r0c0r0c1r0c2r1c1r2c1|7,r0c3r0c4|0,r0c5r0c6|0,r1c2r1c3r1c4|0,r0c7r0c8r1c7r1c8|0,r1c0r2c0r3c0r3c1|0,r2c3r2c4|3,r1c5r2c5|0,r1c6r2c6r2c7|9,r2c8r3c8|0,r2c2r3c2|0,r3c6r3c7|0,r3c3r4c3|0,r3c4r3c5r4c4r4c5|10,r4c6r5c6|15,r4c8r5c8|8,r4c0r5c0|0,r4c1r5c1|27,r4c2r5c2r5c3r6c2r6c3r6c4|12,r5c4r5c5|12,r4c7r5c7r6c7|0,r6c0r6c1|5,r6c5r6c6|20,r7c0r7c1r8c0r8c1|15,r7c2r8c2|10,r7c3r7c4|21,r6c8r7c6r7c7r7c8r8c8|0,r8c3r8c4|24,r7c5r8c5r8c6r8c7", "solution": "576349821143782695892561437739416582215938746684257319451693278967824153328175964", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4770, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4771, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-01-16", "puzzle": "11,r0c0r0c1|16,r0c2r0c3r1c3|13,r0c5r0c6r1c5|3,r0c7r0c8|0,r1c0r1c1r2c0r2c1|8,r0c4r1c4|23,r1c7r1c8r2c7r2c8|7,r1c2r2c2|20,r2c3r2c4r2c5r3c4|14,r1c6r2c6|21,r3c0r3c1r3c2r3c3r4c0|0,r4c2r4c3|11,r4c5r4c6|28,r3c5r3c6r3c7r3c8r4c8|10,r4c1r5c1|15,r5c2r5c3|14,r4c4r5c4r6c4|4,r5c5r5c6|0,r4c7r5c7|0,r5c0r6c0|0,r6c2r6c3r7c2|0,r6c5r6c6r7c6|14,r5c8r6c8|9,r6c1r7c1|0,r7c3r7c4r7c5r8c4|0,r6c7r7c7|18,r7c0r8c0r8c1|0,r8c2r8c3|0,r8c5r8c6|10,r7c8r8c7r8c8", "solution": "384976512765312894192854637521738469638549271479621358253187946947263185816495723", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4771, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4772, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-01-17", "puzzle": "5,r0c0r0c1|13,r0c2r0c3|11,r0c4r0c5|17,r1c0r1c1|14,r1c3r1c4r1c5|11,r0c6r1c6|7,r0c7r1c7|9,r0c8r1c8|10,r1c2r2c2|6,r2c5r3c5|9,r2c0r3c0|17,r2c1r3c1r3c2|14,r2c3r2c4r3c4|3,r2c6r3c6|13,r2c7r3c7|17,r2c8r3c8|13,r4c0r4c1r4c2|19,r3c3r4c3r5c3|16,r4c4r4c5r4c6|7,r4c7r4c8|12,r5c0r6c0|15,r5c1r5c2r6c1|6,r5c4r6c3r6c4|17,r5c6r6c6|9,r5c7r6c7|9,r5c8r6c8|8,r6c2r7c2|10,r5c5r6c5|8,r7c0r7c1|22,r7c3r7c4r7c5|11,r7c6r8c6|15,r7c7r8c7|4,r7c8r8c8|8,r8c0r8c1|10,r8c2r8c3|10,r8c4r8c5", "solution": "145892637983716542627345189369471258274958316851623974496137825712589463538264791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4772, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4773, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-01-17", "puzzle": "10,r0c4r0c5r0c6r1c5|18,r0c7r0c8r1c8|20,r0c0r0c1r1c0|25,r0c2r1c1r1c2r2c0r2c1r2c2|19,r0c3r1c3r1c4|7,r1c6r1c7|16,r2c7r2c8|16,r3c0r3c1r4c1|12,r2c3r3c2r3c3|14,r2c4r3c4|15,r2c5r2c6r3c5|10,r3c6r3c7|9,r4c2r4c3|14,r4c4r4c5r5c4|13,r4c6r4c7|9,r3c8r4c8|25,r4c0r5c0r5c1r6c0|10,r5c2r5c3r6c2|22,r5c5r5c6r6c5r6c6|5,r6c1r7c1|7,r6c3r7c3|17,r5c7r5c8r6c7r6c8|11,r6c4r7c4|27,r7c5r7c6r8c5r8c6|16,r7c0r8c0r8c1|11,r7c2r8c2|13,r8c3r8c4|14,r7c7r7c8r8c7r8c8", "solution": "589712364716934258342685179471569823258173496693248715825391647937426581164857932", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4773, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4774, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-01-17", "puzzle": "38,r0c0r0c1r0c2r0c3r0c4r0c5r1c3|37,r1c2r2c2r2c3r2c4r2c5r3c2r3c3|21,r0c6r1c4r1c5r1c6|14,r0c7r0c8r1c7|10,r1c0r1c1r2c0r2c1|28,r1c8r2c7r2c8r3c8r4c8|12,r3c0r3c1|22,r2c6r3c5r3c6r4c5|12,r3c4r4c4|15,r3c7r4c6r4c7r5c7|15,r4c0r5c0|7,r4c1r5c1|6,r4c2r5c2|14,r4c3r5c3r5c4|13,r5c5r5c6|16,r6c0r6c1|11,r6c3r6c4|35,r6c5r6c6r6c7r7c5r7c6r8c6r8c7|9,r5c8r6c8|29,r6c2r7c0r7c1r7c2r8c0r8c1r8c2|12,r7c7r7c8r8c8|10,r7c3r8c3|19,r7c4r8c4r8c5", "solution": "657812349438965712129437568395146827764283195812579436971654283586321974243798651", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4774, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4776, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-01-17", "puzzle": "8,r0c0r0c1r1c0|24,r0c2r0c3r1c3|0,r0c6r0c7|0,r0c4r1c4|0,r0c5r1c5r1c6|5,r0c8r1c8|21,r1c1r1c2r2c1|12,r2c2r2c3r3c2r3c3|9,r2c4r2c5|0,r1c7r2c6r2c7|14,r2c0r3c0r3c1|17,r2c8r3c8|16,r4c0r4c1|0,r3c6r4c6|16,r3c7r4c7r5c7|12,r5c0r5c1r6c1|0,r4c2r5c2|0,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|0,r5c5r5c6r6c5r6c6|12,r4c8r5c8|0,r6c3r6c4|10,r6c0r7c0|11,r6c2r7c1r7c2|12,r7c3r7c4r7c5|0,r8c0r8c1|16,r8c2r8c3|11,r8c4r8c5|37,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "257916483194873562683254719531647298978321645426589137365492871742138956819765324", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4776, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4775, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-01-17", "puzzle": "24,r0c0r0c1r1c0r2c0|25,r0c3r0c4r0c5r0c6|4,r0c2r1c2|0,r1c3r1c4r2c4r3c4|6,r1c5r1c6|5,r0c7r1c7|10,r0c8r1c8|11,r1c1r2c1|15,r2c2r2c3|0,r2c5r2c6|0,r3c2r3c3|0,r3c5r3c6|20,r2c7r2c8r3c7|15,r3c0r3c1r4c0r5c0|34,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|0,r3c8r4c8r5c7r5c8|9,r5c1r6c0r6c1|0,r5c2r5c3|0,r5c5r5c6|12,r6c2r6c3|0,r6c5r6c6|10,r6c7r7c7|0,r7c0r8c0|0,r7c1r8c1|0,r7c2r7c3|23,r5c4r6c4r7c4r7c5|4,r7c6r8c6|16,r8c2r8c3r8c4r8c5|0,r6c8r7c8r8c7r8c8", "solution": "593478621871562439246913785418629573769835214352147896135784962927356148684291357", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4775, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4777, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-01-18", "puzzle": 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"21,r0c0r0c1r0c2|8,r0c5r0c6|16,r0c3r0c4r1c3|22,r1c4r1c5r1c6|4,r0c7r1c7|9,r0c8r1c8|11,r1c0r2c0|12,r1c1r1c2r2c1|7,r2c3r2c4|19,r2c6r2c7r2c8|12,r3c0r3c1|9,r2c2r3c2|9,r2c5r3c5|8,r3c6r4c6|9,r4c0r5c0|5,r4c1r5c1|16,r3c3r4c3|6,r3c4r4c4r5c4|14,r4c5r5c5|14,r3c7r4c7|8,r3c8r4c8|11,r4c2r5c2|6,r5c3r6c3|13,r5c6r6c6|6,r5c7r5c8|22,r6c0r6c1r6c2|10,r6c4r6c5|8,r6c7r7c6r7c7|15,r6c8r7c8|5,r7c0r8c0|9,r7c1r8c1|21,r7c2r7c3r7c4|16,r7c5r8c4r8c5|6,r8c2r8c3|18,r8c6r8c7r8c8", "solution": "984261735523897614671345298398724561245916387716538942859173426437682159162459873", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4786, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4787, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-01-20", "puzzle": 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"9,r0c0r0c1r1c0|22,r0c2r0c3r0c4r0c5|10,r0c6r0c7|0,r1c1r1c2r2c1|12,r1c3r1c4r1c5|15,r0c8r1c8|14,r2c2r2c3r3c2|7,r1c6r2c6|9,r1c7r2c7|25,r2c0r3c0r4c0r5c0|15,r2c5r3c5r4c5|13,r2c8r3c8|0,r3c1r4c1r5c1|38,r2c4r3c3r3c4r4c2r4c3r4c4|11,r3c6r3c7r4c6|0,r5c2r5c3r5c4|21,r5c5r5c6r6c5|0,r4c7r5c7|11,r4c8r5c8r6c8|15,r6c1r6c2|13,r6c3r6c4r7c3|7,r6c0r7c0|10,r7c1r7c2|9,r7c4r7c5|0,r6c6r6c7r7c6|0,r7c7r7c8r8c7r8c8|0,r8c0r8c1|0,r8c2r8c3|0,r8c4r8c5r8c6", "solution": "325476198468291537179358264842735619716982453953614872587149326291863745634527981", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4789, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4791, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-01-21", "puzzle": "12,r0c2r0c3|13,r0c4r0c5|15,r0c0r0c1r1c0|17,r1c1r2c0r2c1|6,r1c2r1c3r1c4|12,r0c6r1c5r1c6|11,r0c7r1c7|13,r0c8r1c8|9,r2c2r3c2r3c3|19,r2c3r2c4r3c4|11,r3c0r3c1|13,r2c5r2c6r3c5|18,r3c6r4c6r5c6|12,r2c7r3c7|9,r2c8r3c8|4,r4c0r4c1|17,r4c2r4c3|6,r4c4r4c5|12,r4c7r4c8|14,r5c0r5c1|19,r5c5r6c5r6c6|6,r5c7r6c7|9,r5c8r6c8|14,r5c2r5c3r6c2|15,r5c4r6c3r6c4|14,r7c0r8c0r8c1|15,r6c0r6c1r7c1|16,r7c2r7c3r7c4|9,r7c5r7c6r8c6|9,r7c7r8c7|9,r7c8r8c8|12,r8c2r8c3|15,r8c4r8c5", "solution": "279358164683214759451796238742635891138942675596187423817523946965471382324869517", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4791, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4790, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-01-20", "puzzle": 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"13,r0c2r0c3|15,r0c7r0c8|13,r0c0r1c0|11,r0c1r1c1|14,r0c4r1c4r2c4|5,r0c5r1c5|14,r0c6r1c6|3,r2c0r2c1|14,r1c2r2c2|15,r1c3r2c3r3c3|12,r2c5r2c6|4,r1c7r2c7|8,r1c8r2c8|21,r3c0r3c1r4c1|13,r3c4r4c4|11,r3c5r3c6|3,r3c7r3c8|4,r3c2r4c2|17,r4c5r4c6|10,r4c0r5c0|10,r5c1r5c2|12,r4c3r5c3r5c4|4,r5c5r5c6|19,r4c7r4c8r5c7|8,r5c8r6c8|8,r6c2r6c3|10,r6c4r6c5|14,r6c6r6c7r7c7|8,r6c0r7c0|15,r6c1r7c1|10,r7c2r7c3|15,r7c4r7c5r7c6|13,r8c0r8c1r8c2|12,r8c3r8c4r8c5|11,r8c6r8c7|16,r7c8r8c8", "solution": "634912578785463912129578436953684721271359864846721395597146283362895147418237659", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4806, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4807, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-01-24", "puzzle": "21,r0c3r0c4r0c5|6,r0c0r1c0|16,r0c1r0c2r1c1|10,r1c2r1c3|12,r1c5r1c6|10,r0c6r0c7r1c7|10,r0c8r1c8|8,r2c0r2c1|17,r1c4r2c4r3c4|8,r2c7r2c8|10,r3c0r3c1|8,r2c2r3c2|6,r2c3r3c3|11,r2c5r3c5|12,r2c6r3c6|15,r3c7r3c8|12,r4c1r4c2|17,r4c3r4c4r4c5|5,r4c6r4c7|22,r4c0r5c0r6c0|25,r5c1r5c2r6c1r6c2r7c2|13,r5c3r5c4r5c5|21,r5c6r5c7r6c6r6c7r7c6|14,r4c8r5c8r6c8|39,r6c3r6c4r6c5r7c3r7c4r7c5|3,r7c0r7c1|9,r7c7r7c8|12,r8c0r8c1|17,r8c2r8c3r8c4r8c5r8c6|16,r8c7r8c8", "solution": "219876543468253917537149862371582496684917235952634781793465128126798354845321679", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4807, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4808, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-01-24", "puzzle": 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"9,r0c1r0c2r1c2|15,r0c3r0c4r0c5|19,r0c6r0c7r1c6|19,r0c0r1c0r2c0|12,r1c3r1c4r1c5|17,r0c8r1c8r2c8|9,r1c1r2c1|11,r2c2r2c3|14,r2c4r3c4r4c4|8,r2c5r2c6|7,r1c7r2c7|11,r3c0r3c1|10,r3c7r3c8|13,r4c0r4c1|7,r3c2r4c2|14,r3c3r4c3|8,r3c5r4c5|15,r3c6r4c6|7,r4c7r4c8|11,r5c1r5c2|18,r5c3r5c4r5c5|6,r5c6r5c7|11,r5c0r6c0|16,r6c1r6c2r6c3|15,r6c5r6c6r6c7|8,r5c8r6c8|21,r7c2r7c3r8c2|6,r6c4r7c4|16,r7c5r7c6r8c6|3,r7c0r8c0|11,r7c1r8c1|13,r8c3r8c4r8c5|10,r7c7r8c7|15,r7c8r8c8", "solution": "613285794925174368478396215746531982581927643392468157837659421264813579159742836", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4811, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4812, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-01-25", "puzzle": 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"12,r0c2r0c3r1c2|17,r0c4r0c5r0c6|13,r0c7r0c8r1c8|14,r0c0r1c0|7,r0c1r1c1|17,r1c3r1c4|21,r1c6r1c7r2c6r2c7|11,r2c3r2c4r3c3|22,r1c5r2c5r3c5r3c6r3c7|23,r2c0r2c1r3c0r3c1|18,r2c2r3c2r4c2|14,r2c8r3c8r4c8|12,r4c0r4c1r5c1|26,r3c4r4c3r4c4r4c5r5c4|20,r4c6r5c5r5c6|7,r4c7r5c7|14,r5c2r5c3r6c2r6c3|18,r5c8r6c7r6c8|8,r5c0r6c0|14,r6c4r6c5r6c6|18,r6c1r7c1r7c2|17,r7c3r7c4r8c4|7,r7c7r7c8|17,r7c0r8c0r8c1|6,r8c2r8c3|16,r7c5r7c6r8c5r8c6|16,r8c7r8c8", "solution": "931574628546982713287316495493768152618425937752193846175639284329847561864251379", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4813, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4814, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2012-01-25", "puzzle": "0,r0c2r0c3r1c3|12,r0c6r0c7r1c6|13,r0c0r0c1r1c0|16,r1c1r1c2r2c1r2c2|0,r0c4r1c4|5,r0c5r1c5|6,r0c8r1c8|11,r2c5r2c6|14,r1c7r2c7|30,r2c0r3c0r3c1r3c2|9,r2c3r3c3|0,r2c8r3c8|4,r4c0r4c1|13,r4c2r4c3|0,r5c0r5c1r5c2r6c0|5,r5c3r6c3|39,r2c4r3c4r3c5r4c4r4c5r5c4r5c5r6c4|0,r3c6r3c7r4c6r4c7r4c8r5c6r5c7|15,r5c8r6c8|0,r6c5r6c6|12,r6c7r7c7|0,r7c0r8c0r8c1|20,r6c1r6c2r7c1r7c2|0,r7c4r8c4|0,r7c5r8c5|11,r7c8r8c8|0,r7c3r8c2r8c3|0,r7c6r8c6r8c7", "solution": "349861725625794381718532964986425137137689542254317896871243659493156278562978413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4814, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4816, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-01-26", "puzzle": "8,r0c0r0c1|16,r0c2r0c3|6,r0c6r0c7|12,r0c4r1c4r2c4|15,r0c5r1c5r2c5|8,r1c6r1c7|17,r0c8r1c8|4,r1c0r2c0|17,r1c1r2c1|9,r1c2r2c2|9,r1c3r2c3|11,r2c7r2c8|19,r3c0r3c1r3c2|9,r2c6r3c5r3c6|4,r3c7r3c8|16,r4c0r5c0|9,r4c1r4c2r5c1|12,r3c3r4c3|16,r3c4r4c4r4c5|10,r4c6r4c7|10,r5c2r6c2|7,r5c3r5c4|14,r5c6r5c7|13,r4c8r5c8|15,r6c0r6c1|12,r5c5r6c4r6c5|10,r6c6r6c7|3,r7c1r7c2|8,r6c3r7c3|14,r7c4r7c5|24,r7c6r7c7r8c6|8,r6c8r7c8|12,r7c0r8c0r8c1|10,r8c2r8c3|15,r8c4r8c5|3,r8c7r8c8", "solution": "267934158384175269195826374658792431943561827721348596879213645412659783536487912", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4816, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4817, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-01-26", "puzzle": "9,r0c4r0c5|10,r0c0r1c0|4,r0c1r1c1|22,r0c2r0c3r1c2|21,r1c4r1c5r2c5|11,r0c6r0c7r1c6|22,r0c8r1c7r1c8r2c8|17,r1c3r2c3r2c4r3c3|9,r2c6r3c6|26,r2c0r2c1r3c0r4c0r5c0|7,r2c2r3c2|9,r3c4r3c5|6,r2c7r3c7|15,r3c1r4c1|6,r4c3r4c4|10,r3c8r4c8|8,r4c2r5c2r6c2|6,r4c5r5c5|28,r4c6r5c6r6c6r7c6r7c7|11,r4c7r5c7|20,r5c1r6c0r6c1|30,r5c3r5c4r6c3r6c4r6c5r7c3|20,r5c8r6c7r6c8|11,r7c1r7c2|12,r7c4r7c5|11,r7c0r8c0r8c1|14,r8c2r8c3|16,r8c4r8c5r8c6|14,r7c8r8c7r8c8", "solution": "418572369639148257752369841985736124371425986264981735593214678847693512126857493", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4817, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4818, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-01-26", "puzzle": "15,r0c2r1c1r1c2r2c1|11,r0c3r1c3|10,r0c4r1c4|11,r0c5r1c5|23,r0c6r1c6r1c7r2c7|26,r0c0r0c1r1c0r2c0r3c0|29,r2c2r2c3r2c4r2c5r2c6r3c4r4c4|27,r0c7r0c8r1c8r2c8r3c8|15,r3c1r3c2r3c3|19,r3c5r3c6r3c7|11,r4c0r4c1|8,r4c2r4c3|13,r4c5r4c6|7,r4c7r4c8|24,r5c2r5c3r6c2r7c2|27,r5c5r5c6r6c6r7c6|17,r5c0r5c1r6c0r6c1|24,r5c4r6c3r6c4r6c5r7c3r7c5|22,r5c7r5c8r6c7r6c8|11,r7c0r7c1|3,r7c7r7c8|14,r8c0r8c1r8c2|23,r7c4r8c3r8c4r8c5|15,r8c6r8c7r8c8", "solution": "671594382382617954945283167153748296297165843468329715524831679839476521716952438", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4818, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4819, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-01-26", "puzzle": 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"0,r0c1r0c2r0c3r1c2|10,r0c4r0c5|10,r0c7r0c8|9,r0c0r1c0|0,r1c4r1c5r2c4|12,r0c6r1c6|0,r1c1r2c0r2c1|0,r1c3r2c3|11,r2c5r2c6|7,r1c7r2c7|0,r1c8r2c8r3c8|14,r3c0r3c1r4c0|11,r2c2r3c2|0,r3c3r3c4|0,r3c5r3c6r3c7|19,r4c1r4c2r5c2|3,r4c6r4c7|10,r5c0r5c1r6c0|14,r4c3r5c3|0,r4c4r5c4|25,r4c5r5c5r5c6r5c7|12,r4c8r5c8|11,r6c1r6c2|12,r6c3r6c4r6c5|0,r7c2r7c3r8c2r8c3|0,r7c4r7c5r8c4|32,r6c6r6c7r7c6r7c7r8c7r8c8|8,r6c8r7c8|13,r7c0r8c0|10,r7c1r8c1|0,r8c5r8c6", "solution": "875291364134856927692743851369182745548967213217534689756318492983425176421679538", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4834, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4836, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-01-30", "puzzle": "16,r0c0r0c1|14,r0c4r0c5|7,r0c7r0c8|19,r1c0r1c1r2c0|3,r0c2r1c2|6,r0c3r1c3|17,r0c6r1c6r1c7|10,r2c2r2c3|5,r1c4r2c4|21,r1c5r2c5r2c6|8,r1c8r2c8|21,r2c1r3c0r3c1|7,r3c2r3c3|16,r2c7r3c6r3c7|6,r4c0r4c1|21,r4c2r4c3r5c3|10,r3c4r4c4|8,r3c5r4c5|4,r4c6r4c7|14,r3c8r4c8|17,r5c4r5c5r6c4|16,r5c6r5c7r5c8|6,r5c0r6c0|10,r5c1r6c1|7,r6c5r6c6r6c7|4,r7c0r7c1|23,r5c2r6c2r7c2|20,r6c3r7c3r7c4|14,r7c5r7c6|8,r8c0r8c1|12,r8c2r8c3r8c4|8,r8c5r8c6|10,r7c7r8c7|17,r6c8r7c8r8c8", "solution": "791586234852134967643729851985213476427695318136847592578962143319478625264351789", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4836, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4838, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-01-30", "puzzle": 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"13,r0c0r0c1|7,r0c2r0c3|18,r0c4r0c5r0c6|15,r1c0r1c1r2c0r2c1|5,r1c5r1c6|11,r0c7r1c7|8,r0c8r1c8|16,r1c2r2c2|12,r1c3r1c4r2c3|10,r2c6r2c7|0,r3c0r3c1|0,r2c4r3c4|0,r2c5r3c5|0,r2c8r3c8|0,r4c0r4c1r5c1r5c2|15,r3c2r3c3r4c2|0,r4c3r4c4r4c5|0,r4c6r5c5r5c6|17,r3c6r3c7r4c7r4c8|0,r5c0r6c0|16,r5c3r6c3|5,r5c4r6c4|0,r5c7r5c8|0,r6c1r6c2|0,r6c5r7c4r7c5|8,r6c6r7c6|6,r7c0r8c0|15,r7c1r8c1|13,r7c2r7c3|0,r6c7r6c8r7c7r7c8|0,r8c2r8c3r8c4|4,r8c5r8c6|15,r8c7r8c8", "solution": "851627943629834175437159826716482539245396718983715462372948651168573294594261387", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4835, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4840, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2012-01-30", "puzzle": "0,r0c0r0c1|18,r0c2r0c3r0c4|0,r0c5r0c6r0c7|4,r1c3r1c4|0,r1c5r1c6|9,r0c8r1c8|10,r1c0r2c0r3c0|0,r1c1r1c2r2c1r3c1|10,r2c2r2c3|16,r2c4r2c5|14,r1c7r2c7|0,r3c2r3c3|17,r3c4r3c5r4c4|6,r2c6r3c6|8,r2c8r3c8|0,r4c0r4c1|12,r4c5r4c6|22,r3c7r4c7r4c8r5c8|5,r4c2r5c2|0,r4c3r5c3|9,r5c4r5c5|0,r5c6r5c7|9,r5c0r6c0|13,r5c1r6c1|27,r6c2r6c3r6c4r6c5r7c4|0,r6c6r6c7|12,r7c0r7c1|0,r7c6r7c7r8c6r8c7|0,r6c8r7c8r8c8|5,r8c0r8c1|17,r7c2r7c3r8c2|16,r8c3r8c4|3,r7c5r8c5", "solution": "937658412625314987148279563362487195894125736751963824289546371576831249413792658", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4840, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4837, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-01-30", "puzzle": "17,r0c2r0c3r0c4|13,r0c0r0c1r1c0|20,r1c1r1c2r2c1r2c2|17,r1c3r1c4|6,r0c5r1c5|22,r0c6r0c7r0c8r1c6|10,r1c7r1c8|9,r2c3r2c4|11,r2c5r2c6|20,r2c0r3c0r4c0|12,r3c3r3c4r4c3|11,r2c7r3c7|6,r2c8r3c8|15,r3c1r4c1|5,r3c2r4c2|26,r3c5r4c4r4c5r5c3r5c4|10,r3c6r4c6r4c7r4c8|6,r5c0r5c1|17,r5c7r5c8r6c8|20,r6c0r6c1r7c0r8c0|9,r5c2r6c2|18,r5c5r5c6r6c5|9,r7c2r7c3|20,r6c3r6c4r7c4r8c4|23,r6c6r6c7r7c6r7c7|3,r7c1r8c1|16,r8c2r8c3|17,r7c5r8c5r8c6|17,r7c8r8c7r8c8", "solution": "837461529241985637596273841982614375673598412154327986765842193328159764419736258", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4837, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4839, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2012-01-30", "puzzle": "0,r0c0r0c1|19,r0c6r0c7r1c6|31,r1c0r1c1r2c0r2c1r2c2|5,r0c2r1c2|11,r0c3r1c3|14,r0c4r0c5r1c4|7,r0c8r1c8|24,r1c5r2c5r3c5|9,r1c7r2c7r3c7|0,r3c0r4c0|0,r2c3r3c2r3c3|7,r2c4r3c4|11,r2c6r3c6|13,r2c8r3c8|11,r3c1r4c1r4c2|0,r4c3r4c4r4c5|12,r4c6r4c7r5c7|10,r5c0r6c0|0,r5c2r6c2|0,r5c4r6c4|6,r5c5r5c6r6c5|16,r4c8r5c8|12,r5c1r6c1r7c1|14,r5c3r6c3r7c3|0,r7c0r8c0|0,r7c4r8c3r8c4|11,r7c5r8c5|0,r7c6r8c6|21,r6c6r6c7r6c8r7c7r7c8|16,r7c2r8c1r8c2|0,r8c7r8c8", "solution": "271534896584679231369218745953167428842953167617482359496721583728395614135846972", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4839, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4841, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-01-31", "puzzle": "10,r0c0r0c1|22,r0c4r0c5r0c6|8,r1c0r1c1|9,r0c2r1c2|12,r0c3r1c3r2c3|6,r1c4r1c5|10,r0c7r1c7|11,r0c8r1c8|18,r2c0r2c1r2c2|12,r2c4r2c5|15,r1c6r2c6r2c7|16,r3c0r3c1|10,r3c2r3c3|10,r3c4r3c5r3c6|7,r4c1r4c2|12,r3c7r4c7|14,r2c8r3c8r4c8|9,r4c0r5c0r6c0|6,r5c1r5c2|20,r4c3r4c4r5c3|11,r4c5r5c5|3,r4c6r5c6|12,r5c7r5c8|14,r5c4r6c4|11,r6c5r6c6|12,r6c7r6c8r7c8|12,r7c0r8c0|14,r6c1r6c2r7c1|16,r6c3r7c3r8c3|16,r7c4r7c5r7c6|18,r7c2r8c1r8c2|18,r8c4r8c5r8c6|11,r7c7r8c7r8c8", "solution": "284396715715842396693175482978231654361954278542687139129563847837429561456718923", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4841, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4842, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-01-31", "puzzle": "9,r0c7r0c8r1c7|44,r0c0r0c1r0c2r0c3r0c4r0c5r0c6r1c0|3,r1c1r1c2|24,r1c4r1c5r1c6r2c4r2c6r3c4|29,r1c3r2c2r2c3r3c2|20,r1c8r2c7r2c8|21,r2c0r2c1r3c0r3c1|5,r2c5r3c5|12,r4c0r4c1|29,r3c3r4c2r4c3r4c4r5c3|10,r4c5r4c6|16,r5c0r5c1r6c0r6c1|9,r5c5r6c5|36,r3c6r3c7r3c8r4c7r4c8r5c6r5c7r5c8|18,r5c2r6c2r6c3r7c3|15,r6c7r6c8r7c8|37,r7c0r8c0r8c1r8c2r8c3r8c4r8c5r8c6|14,r7c1r7c2|34,r5c4r6c4r6c6r7c4r7c5r7c6|20,r7c7r8c7r8c8", "solution": "475269813321748659698513274159432786843671925267985341532894167986157432714326598", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4842, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4843, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-01-31", "puzzle": "8,r0c1r0c2|13,r0c6r0c7r1c6|15,r0c0r1c0|10,r1c1r1c2|35,r0c3r0c4r0c5r1c3r1c4r1c5|12,r2c0r2c1r3c1|10,r2c5r2c6|32,r0c8r1c7r1c8r2c7r2c8r3c8|9,r2c2r2c3r3c2|19,r3c5r3c6r3c7|16,r3c0r4c0r5c0|15,r4c1r4c2|20,r3c3r4c3r5c3|9,r4c5r4c6|3,r4c7r4c8|12,r5c2r6c2r6c3|25,r2c4r3c4r4c4r5c4r6c4|15,r5c5r5c6r5c7|8,r5c1r6c0r6c1|11,r6c5r6c6|30,r5c8r6c7r6c8r7c7r7c8r8c8|6,r7c0r8c0|17,r7c1r7c2|30,r7c3r7c4r7c5r8c3r8c4r8c5|10,r8c1r8c2|15,r7c6r8c6r8c7", "solution": "862953471791468235345172869153729648978546312624831957516294783489317526237685194", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4843, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4845, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-01-31", "puzzle": "0,r0c2r0c3|9,r0c4r0c5|0,r0c6r0c7|0,r0c0r1c0|0,r0c1r1c1|22,r1c2r1c3r2c2|0,r1c4r1c5r1c6r1c7|0,r0c8r1c8|13,r2c0r2c1|19,r2c6r2c7r2c8r3c6|4,r3c0r3c1|13,r2c3r3c2r3c3|23,r2c4r2c5r3c4r3c5|31,r4c0r4c1r4c2r5c0r5c1|9,r4c3r4c4r4c5|25,r3c7r3c8r4c6r4c7r4c8|0,r5c3r5c4r6c3r6c4|13,r5c5r5c6r6c5|8,r5c7r5c8|27,r5c2r6c0r6c1r6c2|7,r6c7r6c8|12,r7c0r8c0|18,r7c1r7c2r7c3r7c4|19,r6c6r7c5r7c6|6,r7c7r8c7|16,r7c8r8c8|0,r8c1r8c2|0,r8c3r8c4|9,r8c5r8c6", "solution": "621354798378961542945287163134726985789135426256498371597612834863549217412873659", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4845, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4846, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-02-01", "puzzle": 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"14,r0c0r0c1|11,r0c7r0c8|16,r1c0r1c1r2c0|5,r0c2r1c2|11,r0c3r1c3|11,r0c4r1c4|5,r0c5r1c5|3,r0c6r1c6|22,r1c7r1c8r2c8|18,r2c1r2c2r2c3|12,r2c4r3c4|10,r2c5r2c6r2c7|10,r3c0r3c1|16,r3c2r3c3|13,r3c5r3c6|3,r3c7r3c8|7,r4c2r4c3|9,r4c4r5c4|15,r4c5r4c6|11,r4c0r5c0r6c0|3,r4c1r5c1|12,r5c2r5c3|13,r5c5r5c6|12,r4c7r5c7|11,r4c8r5c8r6c8|21,r6c3r6c4r6c5|9,r7c0r8c0|22,r7c1r8c1r8c2|13,r6c1r6c2r7c2|15,r7c3r7c4r7c5|13,r6c6r6c7r7c6|15,r7c7r8c6r8c7|15,r7c8r8c8|9,r8c3r8c4r8c5", "solution": "954672183861543279237891546649735821715289634328416795183957462492168357576324918", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4856, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4857, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-02-03", "puzzle": "10,r0c2r0c3|9,r0c4r0c5|25,r0c6r0c7r1c7r2c7r2c8|20,r0c0r0c1r1c0r1c1|20,r1c3r1c4r2c3r2c4|9,r1c5r1c6|15,r0c8r1c8|17,r1c2r2c1r2c2|9,r2c5r2c6|8,r2c0r3c0|6,r3c5r3c6|15,r3c7r3c8|15,r3c1r3c2r4c1r4c2|17,r3c3r3c4r4c3|12,r4c7r4c8r5c8|9,r4c0r5c0|27,r4c4r4c5r4c6r5c4r6c4|12,r5c1r6c1|6,r5c2r6c2|10,r5c3r6c3|21,r5c5r5c6r6c5|25,r6c0r7c0r7c1r7c2r8c2|30,r5c7r6c6r6c7r7c5r7c6r7c7|16,r8c0r8c1|8,r7c3r8c3|15,r7c4r8c4r8c5|19,r6c8r7c8r8c6r8c7r8c8", "solution": "267345198489216357153897246718532469624981573395674812831469725546723981972158634", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4857, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4858, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-02-03", "puzzle": "15,r0c0r0c1r0c2|22,r0c3r0c4r0c5r0c6r1c6|15,r1c4r1c5|16,r0c7r0c8r1c7r1c8|10,r1c0r2c0|14,r1c1r2c1r3c1|13,r1c2r2c2|9,r1c3r2c3|7,r3c2r3c3|11,r2c4r3c4|23,r2c5r2c6r3c5r3c6|14,r3c7r4c7|14,r4c1r4c2r5c1|4,r4c5r4c6|22,r2c7r2c8r3c8r4c8r5c8|24,r4c3r4c4r5c3r5c4|9,r5c5r6c5|12,r5c6r5c7|22,r3c0r4c0r5c0r6c0|12,r5c2r6c2r6c3|16,r6c4r7c3r7c4|9,r6c6r6c7|23,r6c1r7c0r7c1r7c2r8c0r8c1|15,r7c5r7c6r7c7|22,r6c8r7c8r8c8|28,r8c2r8c3r8c4r8c5|4,r8c6r8c7", "solution": "483619257926578413157432896375284961694751382812396574549163728731825649268947135", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4858, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4860, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-02-03", "puzzle": 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"15,r0c0r0c1r0c2|21,r0c6r0c7r0c8|10,r0c3r1c3|12,r0c4r0c5r1c4|4,r1c6r1c7|17,r1c0r1c1r2c1|5,r1c2r2c2|15,r2c3r2c4r3c4|10,r1c5r2c5|14,r2c6r2c7|6,r1c8r2c8|14,r2c0r3c0|16,r3c1r3c2|9,r3c5r3c6|17,r3c8r4c8r5c8|8,r4c0r4c1r4c2|11,r3c3r4c3r5c3|19,r4c4r4c5r4c6|16,r3c7r4c7r5c7|6,r5c0r6c0|13,r5c1r5c2|9,r5c5r5c6|13,r6c1r7c0r7c1|15,r6c2r7c2|24,r5c4r6c3r6c4|9,r6c5r7c5|8,r6c6r6c7|7,r6c8r7c8|8,r7c3r8c3|11,r7c4r8c4r8c5|10,r7c6r7c7|13,r8c0r8c1r8c2|20,r8c6r8c7r8c8", "solution": "951234768762859134843761592697125483134698275285473619476982351519347826328516947", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4876, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4877, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-02-07", "puzzle": 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"9,r0c0r0c1r1c0|19,r0c2r0c3r1c2|17,r0c4r1c4|10,r0c5r1c5|22,r0c6r0c7r1c6r1c7r2c7|8,r0c8r1c8|18,r1c1r2c0r2c1r3c1|0,r1c3r2c2r2c3r2c4|0,r3c2r3c3|0,r2c5r3c5r4c5|0,r2c6r3c6|10,r2c8r3c8|8,r3c0r4c0|0,r4c1r4c2r5c1|20,r3c7r4c6r4c7|0,r4c8r5c8|15,r5c0r6c0|0,r5c2r6c2|0,r4c3r5c3r6c3|12,r3c4r4c4r5c4|14,r5c5r5c6|13,r6c4r6c5r6c6r7c5|18,r5c7r6c7r6c8r7c7|0,r7c0r8c0|28,r6c1r7c1r7c2r8c1r8c2|15,r7c3r8c3|5,r7c4r8c4|9,r7c6r8c5r8c6|24,r7c8r8c7r8c8", "solution": "127483695658197423934652718319576842542318976786249531873961254295834167461725389", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4880, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4881, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-02-08", "puzzle": "8,r0c0r0c1|15,r0c2r0c3|15,r0c5r0c6|6,r0c4r1c4|11,r1c5r2c5r2c6|17,r0c7r1c6r1c7|12,r0c8r1c8|12,r1c0r2c0|20,r1c1r2c1r3c1|6,r1c2r1c3r2c2|21,r2c3r2c4r3c3|4,r2c7r2c8|8,r3c4r3c5|16,r3c7r3c8r4c7|13,r3c0r4c0|22,r3c2r4c2r5c2|14,r4c3r4c4r4c5|7,r3c6r4c6r5c6|16,r4c8r5c8|6,r4c1r5c0r5c1|14,r5c3r5c4|17,r6c0r6c1|12,r5c5r6c4r6c5|19,r6c6r7c5r7c6|15,r5c7r6c7r7c7|3,r6c8r7c8|3,r7c0r8c0|14,r7c1r7c2r8c1|13,r6c2r6c3r7c3|11,r7c4r8c4|5,r8c2r8c3|17,r8c5r8c6|13,r8c7r8c8", "solution": "536918724471352698892674513749826135615743289328591467987265341163487952254139876", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4881, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4882, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-02-08", "puzzle": "19,r0c2r0c3r0c4|8,r0c0r1c0|6,r0c1r1c1|13,r1c2r1c3|7,r0c6r1c6|7,r0c7r1c7|17,r0c8r1c8|16,r2c0r2c1r3c0|10,r2c2r2c3|22,r0c5r1c4r1c5r2c4r2c5|8,r2c6r2c7|10,r3c1r3c2|28,r3c3r3c4r4c2r4c3r4c4r5c3r5c4|10,r3c5r3c6|16,r2c8r3c7r3c8|7,r4c0r4c1|24,r4c5r4c6r4c7r4c8|12,r5c1r5c2|15,r5c5r5c6|13,r5c7r5c8r6c8|20,r5c0r6c0r6c1|6,r6c2r6c3|27,r6c4r6c5r7c4r7c5r8c5|12,r6c6r6c7|10,r7c0r8c0|12,r7c1r8c1|12,r7c2r7c3|15,r7c6r8c6|6,r7c7r8c7|9,r7c8r8c8|8,r8c2r8c3r8c4", "solution": "745861239126793548398245176482657391617439825539128764961572483253984617874316952", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4882, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4886, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-02-09", "puzzle": 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"10,r0c1r0c2|17,r0c0r1c0r1c1|26,r0c3r0c4r1c2r1c3r2c2|8,r1c4r1c5|8,r1c6r1c7|23,r0c5r0c6r0c7r0c8r1c8|10,r2c3r2c4|15,r2c5r2c6|22,r2c7r2c8r3c7r3c8|12,r2c0r2c1r3c0|13,r3c1r3c2r3c3r4c1|13,r4c0r5c0|8,r4c2r4c3|13,r3c4r4c4|28,r3c5r3c6r4c5r4c6r5c5|16,r5c1r5c2|24,r4c7r4c8r5c6r5c7r5c8|34,r5c3r5c4r6c1r6c2r6c3r7c3|19,r6c4r6c5r7c4r7c5|9,r6c0r7c0r8c0|9,r6c6r7c6|17,r6c8r7c8r8c8|21,r7c1r7c2r8c1r8c2|10,r8c3r8c4|10,r8c5r8c6|10,r6c7r7c7r8c7", "solution": "964573281718462359352198746421756893536289174879314625187935462293647518645821937", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4887, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4888, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-02-09", "puzzle": "18,r0c1r0c2r1c2|6,r0c3r0c4|14,r0c5r0c6r1c5|15,r0c7r0c8|7,r0c0r1c0|9,r1c6r1c7r1c8|12,r1c1r2c1|25,r1c3r1c4r2c3r2c4|12,r2c5r2c6|9,r2c7r2c8|10,r2c0r3c0r4c0|16,r2c2r3c1r3c2|25,r3c3r3c4r4c4r5c4r5c5|18,r4c1r5c0r5c1|9,r4c2r5c2|12,r4c3r5c3|8,r3c5r4c5|13,r3c6r4c6|10,r3c7r3c8r4c7|11,r5c6r5c7r6c6|14,r4c8r5c8r6c8|7,r6c0r6c1|13,r6c2r6c3|20,r6c4r6c5r7c4r7c5|14,r6c7r7c7|18,r7c0r7c1r7c2|11,r7c8r8c8|9,r8c0r8c1|10,r7c3r8c2r8c3|13,r8c4r8c5|17,r7c6r8c6r8c7", "solution": "269514387543987126187623945354196872678432519921875634436758291792361458815249763", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4888, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4883, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-02-08", "puzzle": 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"7,r0c2r0c3|10,r0c5r0c6|18,r0c7r0c8r1c8|9,r0c0r1c0|31,r0c1r1c1r1c2r2c1r2c2|18,r0c4r1c3r1c4|6,r1c5r1c6r1c7|13,r2c3r2c4r3c4|10,r2c6r2c7|10,r2c0r3c0|20,r2c5r3c5r3c6r3c7|6,r2c8r3c8|30,r3c1r3c2r4c0r4c1r4c2r5c1r5c2|18,r3c3r4c3r5c3|20,r4c4r4c5r4c6|10,r4c7r4c8|17,r5c0r6c0|18,r5c5r5c6r5c7r6c5|17,r5c8r6c8|11,r5c4r6c3r6c4|8,r6c6r6c7|7,r7c0r8c0|25,r6c1r6c2r7c1r7c2r8c1|13,r7c3r7c4r8c4|18,r7c5r7c6r7c7|11,r8c2r8c3|13,r8c5r8c6|11,r7c8r8c7r8c8", "solution": "472561983569483217318279645795846321231957864846132759953624178687315492124798536", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4892, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4889, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-02-09", "puzzle": 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"17,r0c2r0c3r0c4|18,r0c5r0c6r0c7|10,r0c0r1c0|10,r0c1r1c1|8,r1c2r1c3r1c4|13,r1c5r1c6|19,r0c8r1c7r1c8r2c7r2c8|5,r2c0r2c1|17,r2c3r2c4r3c4|14,r2c5r2c6|19,r3c0r3c1r4c0r4c1|20,r2c2r3c2r3c3r4c2|8,r3c5r3c6|8,r3c7r3c8|17,r4c3r4c4r4c5|14,r5c0r5c1|8,r5c2r5c3|24,r4c6r5c5r5c6r6c6|23,r4c7r4c8r5c7r5c8|10,r6c2r6c3|17,r5c4r6c4r6c5|5,r6c7r6c8|28,r6c0r6c1r7c0r7c1r8c0|7,r7c2r7c3|15,r7c4r7c5r7c6|15,r7c7r8c7|12,r7c8r8c8|18,r8c1r8c2r8c3|6,r8c4r8c5r8c6", "solution": "279354681835216749416879532684927153321485976957163428563792814192548367748631295", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4893, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4894, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2012-02-10", "puzzle": 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"27,r0c0r0c1r1c0r1c1|0,r0c3r0c4|14,r0c5r0c6r1c6|11,r0c7r0c8r1c7|7,r0c2r1c2|16,r1c3r1c4|3,r2c0r2c1|0,r1c5r2c5|0,r2c6r2c7|9,r1c8r2c8|0,r2c2r2c3r3c2|22,r2c4r3c3r3c4r4c2r4c3|0,r3c5r3c6|0,r3c7r3c8|0,r3c0r4c0|0,r3c1r4c1|34,r4c4r4c5r4c6r5c4r5c5r6c4|4,r5c1r5c2|0,r4c7r4c8r5c6r5c7r5c8|14,r5c0r6c0r6c1|12,r5c3r6c3|18,r6c6r6c7r7c6|15,r6c2r7c2|22,r6c5r7c4r7c5r8c4r8c5|27,r6c8r7c7r7c8r8c6r8c7r8c8|16,r7c0r7c1r8c0|0,r8c1r8c2|10,r7c3r8c3", "solution": "794285136653971824128634975845163297267598341931427658419852763386749512572316489", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4895, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4898, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-02-11", "puzzle": "14,r0c1r0c2|7,r0c6r0c7|20,r0c0r1c0r2c0r2c1r3c0|12,r1c1r1c2|24,r0c3r0c4r0c5r1c3r1c5|12,r1c6r1c7|22,r0c8r1c8r2c7r2c8r3c8|16,r2c2r2c3|15,r1c4r2c4r3c4r4c4|13,r2c5r2c6|12,r3c2r3c3|6,r3c5r3c6|11,r3c1r4c0r4c1|21,r3c7r4c7r4c8|17,r5c0r5c1r6c0|17,r4c2r5c2r6c2|36,r4c3r4c5r5c3r5c4r5c5r6c3r6c5|10,r4c6r5c6r6c6|14,r5c7r5c8r6c8|14,r6c4r7c4|11,r7c0r8c0|23,r6c1r7c1r7c2r7c3r8c1r8c2|19,r8c3r8c4r8c5|27,r6c7r7c5r7c6r7c7r8c6r8c7|12,r7c8r8c8", "solution": "295817436184236759367945821829361574453729168716584392978152643541693287632478915", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4898, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4899, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-02-11", "puzzle": "0,r0c3r0c4|0,r0c5r0c6|15,r0c7r0c8|9,r0c0r1c0|12,r0c1r1c1|10,r0c2r1c2|12,r1c4r1c5|5,r1c6r1c7|16,r2c1r2c2r3c1|23,r1c3r2c3r2c4r3c3r3c4|0,r2c6r2c7|0,r1c8r2c8|7,r2c5r3c5|0,r3c2r4c1r4c2r5c2|0,r4c3r4c4r4c5|0,r3c6r4c6r5c6|29,r3c7r3c8r4c7r4c8r5c7r5c8|19,r2c0r3c0r4c0r5c0r6c0|10,r5c5r6c5|17,r5c1r6c1r6c2|18,r5c3r5c4r6c3r6c4r7c3|17,r6c6r6c7|12,r6c8r7c8|17,r7c0r8c0|4,r7c1r8c1|9,r7c2r8c2|12,r7c4r7c5|0,r7c6r7c7|0,r8c3r8c4|0,r8c5r8c6|0,r8c7r8c8", "solution": "341926578689457321725183469298374156153862794476519832564231987932748615817695243", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4899, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4900, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-02-11", "puzzle": "18,r0c0r0c1r1c1r2c1|12,r0c2r0c3|18,r0c4r1c3r1c4|10,r0c5r1c5|39,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|0,r1c0r2c0|14,r1c2r2c2|0,r2c3r2c4|17,r2c5r2c6r3c6|13,r3c7r3c8|20,r3c0r3c1r4c0r4c1|7,r3c2r4c2|36,r3c3r3c4r3c5r4c4r4c5r5c5|10,r4c6r5c6|9,r4c7r4c8r5c7|0,r5c0r5c1|9,r4c3r5c3r5c4|0,r5c8r6c8|0,r5c2r6c2r6c3|0,r6c4r6c5|0,r6c6r6c7|0,r6c0r6c1r7c1r7c2r8c2|0,r7c3r8c3|30,r7c6r7c7r7c8r8c8|12,r7c0r8c0r8c1|22,r7c4r7c5r8c4r8c5|6,r8c6r8c7", "solution": "753962481146758293928143657412539876695287134837614925569871342381425769274396518", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4900, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4901, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-02-12", "puzzle": 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"6,r0c0r0c1|7,r0c4r0c5|12,r0c2r1c2|0,r0c3r1c3|0,r1c4r1c5|0,r0c6r1c6|5,r0c7r1c7|17,r0c8r1c8|0,r1c0r2c0|16,r1c1r2c1|7,r2c2r2c3|0,r2c6r2c7r3c7|12,r3c1r3c2r3c3|21,r2c4r2c5r3c4|28,r3c5r3c6r4c5r5c5r5c6|19,r3c0r4c0r5c0|18,r4c1r4c2r4c3r4c4|16,r4c6r4c7|14,r5c1r5c2r5c3|0,r5c4r6c4r6c5|0,r2c8r3c8r4c8r5c8r6c8|8,r6c0r7c0|0,r6c1r7c1|15,r6c2r6c3|10,r5c7r6c6r6c7|14,r7c2r8c2|0,r7c3r8c3|0,r7c4r7c5|0,r7c6r8c6|14,r7c7r8c7|8,r7c8r8c8|7,r8c0r8c1|9,r8c4r8c5", "solution": "518743629674192538392568174851679243263814795947325816186937452729456381435281967", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4910, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4909, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-02-13", "puzzle": "18,r0c1r0c2r0c3r0c4|11,r0c6r0c7r0c8|0,r0c0r1c0|6,r1c2r1c3|14,r0c5r1c5|12,r1c6r1c7|14,r1c1r2c1r3c1|0,r1c4r2c4|24,r1c8r2c8r3c8r4c8|0,r2c0r3c0|18,r2c2r2c3r3c2|0,r3c3r3c4|13,r2c5r3c5|6,r2c6r3c6r4c6|0,r2c7r3c7|24,r4c0r4c1r5c0r5c1|0,r4c3r4c4r4c5|10,r4c2r5c2|3,r5c4r5c5|0,r4c7r5c7r5c8|27,r6c1r6c2r7c1r7c2r8c1|0,r5c3r6c3r6c4|0,r5c6r6c5r6c6|5,r6c7r6c8|16,r6c0r7c0r8c0|0,r7c4r7c5|12,r7c6r7c7r7c8|11,r7c3r8c2r8c3|0,r8c4r8c5r8c6|14,r8c7r8c8", "solution": "736189542184275936529436178245967381617843259893521764451798623968352417372614895", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4909, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4912, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-02-14", "puzzle": "5,r0c1r0c2|9,r0c6r0c7|14,r0c0r1c0r1c1|37,r0c3r0c4r0c5r1c2r1c3r1c5r1c6|20,r0c8r1c7r1c8|13,r1c4r2c4r3c4|22,r2c0r2c1r3c0|24,r2c2r3c1r3c2r4c2|7,r2c3r3c3|9,r2c5r3c5|12,r2c6r3c6r3c7r4c6|16,r2c7r2c8r3c8|10,r4c0r5c0|11,r4c1r5c1r5c2|11,r4c3r5c3|15,r4c4r5c4|4,r4c5r5c5|20,r4c7r5c6r5c7|11,r4c8r5c8|11,r6c2r6c3|10,r6c5r6c6|5,r6c0r7c0|21,r6c1r7c1r7c2|16,r6c4r7c4r8c4|12,r6c7r7c6r7c7|11,r6c8r7c8|6,r8c0r8c1|16,r7c3r8c2r8c3|22,r7c5r8c5r8c6|5,r8c7r8c8", "solution": "732618459164759283859324671973465128485271396621983745346592817298137564517846932", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4912, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4911, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-02-14", "puzzle": "15,r0c0r0c1r0c2|21,r0c3r0c4r1c3|6,r0c5r0c6r0c7|14,r1c0r2c0r3c0|7,r1c4r2c4r3c4|12,r1c5r1c6|18,r0c8r1c7r1c8|9,r1c1r2c1|18,r1c2r2c2r2c3|14,r2c7r2c8|20,r3c2r3c3r4c3|13,r2c5r2c6r3c5|11,r3c1r4c1|11,r4c4r4c5|10,r3c6r4c6|20,r3c7r3c8r4c7|7,r4c0r5c0|10,r4c2r5c1r5c2|12,r5c3r5c4|16,r5c5r5c6|3,r4c8r5c8|16,r6c0r6c1|11,r6c2r6c3|5,r6c4r6c5|8,r5c7r6c7r6c8|7,r7c0r7c1|3,r7c2r7c3|13,r6c6r7c6|13,r8c0r8c1|8,r8c2r8c3|23,r7c4r7c5r8c4|6,r8c5r8c6|16,r7c7r8c7|9,r7c8r8c8", "solution": "564873129287619345319245768948321657173956482625487931796532814432198576851764293", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4911, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4913, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-02-14", "puzzle": "30,r0c2r0c3r0c4r0c5r0c6|9,r0c0r1c0|6,r0c1r1c1|24,r1c2r1c3r1c4r1c5r1c6|11,r0c7r1c7|10,r0c8r1c8|13,r2c0r2c1|3,r2c4r3c4|10,r2c7r2c8|43,r3c0r3c1r3c2r4c1r4c2r4c3r5c1r6c1|14,r2c2r2c3r3c3|13,r2c5r2c6r3c5|43,r3c6r3c7r3c8r4c5r4c6r4c7r5c7r6c7|10,r4c4r5c4|14,r4c0r5c0r6c0|8,r5c2r5c3|11,r5c5r5c6|16,r4c8r5c8r6c8|17,r6c3r6c4r6c5|12,r6c2r7c1r7c2|15,r6c6r7c6r7c7|10,r7c0r8c0|13,r8c1r8c2|6,r7c3r8c3|13,r7c4r8c4|9,r7c5r8c5|17,r8c6r8c7|5,r7c8r8c8", "solution": "647951823321864597589327146793215468168439752452678319914782635835196274276543981", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4913, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4914, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-02-14", "puzzle": "16,r0c0r0c1r1c0|9,r0c5r0c6|25,r0c2r1c1r1c2r2c1r2c2|14,r0c3r1c3|3,r0c4r1c4|16,r1c5r1c6r2c5|12,r0c7r1c7|15,r0c8r1c8|0,r2c3r2c4r3c3|5,r2c6r3c6|4,r2c7r2c8|0,r2c0r3c0r3c1r3c2|13,r3c4r3c5|0,r4c0r4c1r5c0r5c1|31,r4c2r4c3r4c4r4c5r4c6|0,r3c7r3c8r4c7r4c8|8,r5c3r5c4|24,r5c6r5c7r5c8r6c8|0,r6c0r6c1|15,r5c2r6c2|12,r5c5r6c4r6c5|0,r7c0r8c0|12,r7c1r8c1|0,r6c3r7c2r7c3|0,r7c4r8c4|10,r7c5r8c5|21,r6c6r6c7r7c6r7c7r8c6|0,r8c2r8c3|16,r7c8r8c7r8c8", "solution": "371924586628513749495876213762485391514739862839261475256147938943658127187392654", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4914, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4915, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-02-14", "puzzle": 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"20,r0c1r0c2r1c2|6,r0c7r1c7|16,r0c0r1c0r1c1|6,r0c3r1c3|18,r0c4r1c4r2c4|9,r0c5r0c6r1c5|17,r0c8r1c8|3,r2c0r2c1|15,r2c2r2c3|9,r1c6r2c6|9,r2c5r3c5|6,r2c7r3c7|13,r2c8r3c8|10,r3c0r4c0|18,r3c1r3c2r4c1|6,r4c2r5c2|13,r3c3r4c3|15,r3c4r4c4r5c4|10,r4c5r5c5|13,r3c6r4c6|19,r4c7r5c6r5c7|5,r4c8r5c8|13,r5c0r6c0|10,r5c1r6c1|4,r5c3r6c3|12,r6c2r7c2|10,r6c5r6c6|11,r6c7r6c8|13,r7c0r8c0|14,r7c3r8c2r8c3|12,r6c4r7c4r8c4|16,r7c5r8c5|14,r7c7r7c8r8c8|7,r7c1r8c1|13,r7c6r8c6r8c7", "solution": "385476219497231658216985347138794526974652831562318974849123765653847192721569483", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4916, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4917, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-02-15", "puzzle": 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"5,r0c0r0c1|14,r0c7r0c8|8,r1c0r1c1|13,r0c2r1c2|0,r0c3r1c3|16,r0c4r1c4|7,r0c5r1c5|0,r0c6r1c6|13,r1c7r1c8|24,r2c0r2c1r3c0|18,r2c3r2c4r2c5|10,r2c7r2c8r3c8|12,r2c2r3c2r3c3|0,r2c6r3c5r3c6|0,r3c1r4c0r4c1r5c0|11,r4c2r4c3|4,r3c4r4c4|0,r4c5r4c6|0,r3c7r4c7r4c8r5c8|7,r5c1r5c2|8,r5c6r5c7|14,r6c1r6c2r7c1|0,r5c3r5c4r5c5r6c3r6c5|0,r6c6r6c7r7c7|11,r6c0r7c0|11,r6c4r7c4r8c4|3,r6c8r7c8|0,r8c0r8c1|30,r7c2r7c3r8c2r8c3|0,r7c5r7c6r8c5r8c6|0,r8c7r8c8", "solution": "415392786628175349793468125862714953579236814134589267981657432257843691346921578", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4919, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4920, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-02-15", "puzzle": "3,r0c0r0c1|22,r0c3r0c4r0c5r0c6r1c3|0,r1c0r1c1|10,r0c2r1c2|11,r1c6r2c6r2c7|23,r0c7r0c8r1c7r1c8|0,r1c4r1c5r2c5|17,r2c0r3c0r4c0|12,r2c1r3c1|0,r2c2r3c2|14,r2c3r2c4r3c3|13,r3c4r3c5r4c5|17,r3c6r3c7r4c7|35,r4c1r4c2r4c3r4c4r5c4r6c4r7c4|19,r2c8r3c8r4c8r5c7r5c8|6,r5c0r5c1|0,r4c6r5c5r5c6|14,r6c0r6c1|21,r5c2r5c3r6c2r6c3|4,r6c5r6c6|0,r6c7r6c8|19,r7c0r7c1r8c0r8c1|6,r7c2r8c2|0,r7c3r8c3|0,r7c5r7c6|0,r7c7r8c7|0,r7c8r8c8|19,r8c4r8c5r8c6", "solution": "127634895563189427498572163739215684681497532245368719956721348814953276372846951", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4920, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4921, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-02-16", "puzzle": "11,r0c0r0c1|11,r0c2r0c3|11,r0c4r0c5|11,r1c0r1c1|3,r1c2r1c3|16,r0c6r0c7r1c6|17,r0c8r1c7r1c8|21,r2c0r2c1r3c0|4,r2c2r2c3|13,r1c4r2c4|12,r1c5r2c5|10,r2c7r2c8|4,r3c1r4c1|16,r2c6r3c5r3c6|3,r3c7r3c8|9,r3c2r4c2|21,r3c3r3c4r4c3|11,r4c4r4c5|15,r4c6r4c7|8,r4c0r5c0|17,r5c1r5c2|6,r5c3r5c4|9,r5c5r5c6r5c7|12,r4c8r5c8r6c8|8,r6c3r6c4|16,r6c6r6c7|13,r6c0r7c0|13,r6c1r6c2r7c1|16,r7c2r8c2|14,r6c5r7c5|11,r7c6r7c7r8c7|13,r7c8r8c8|3,r8c0r8c1|12,r7c3r8c3|4,r7c4r8c4|11,r8c5r8c6", "solution": "476592183382164759951378246734956812215783694698241537843625971567419328129837465", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4921, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4922, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-02-16", "puzzle": 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"5,r0c0r0c1|23,r0c3r0c4r1c3r2c3|12,r0c5r0c6|10,r1c0r1c1|22,r0c2r1c2r2c1r2c2|14,r1c4r1c5r1c6|14,r0c7r1c7|4,r0c8r1c8|27,r2c5r2c6r2c7r2c8r3c5r3c6|17,r2c0r3c0|12,r2c4r3c3r3c4|35,r3c7r3c8r4c7r4c8r5c7r5c8|14,r4c0r4c1|8,r4c3r4c4|5,r4c5r4c6|6,r5c0r6c0|21,r3c1r3c2r4c2r5c1r5c2|23,r5c3r5c4r6c4|28,r5c5r5c6r6c5r6c6r6c7r6c8|11,r7c0r7c1|18,r6c1r6c2r7c2r8c2|20,r7c4r7c5r7c6|7,r7c7r8c7|11,r7c8r8c8|11,r8c0r8c1|17,r6c3r7c3r8c3r8c4|10,r8c5r8c6", "solution": "325978461469125783817634592973546128684712359152893674538469217291357846746281935", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4923, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4924, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-02-16", "puzzle": "11,r0c0r0c1|13,r0c2r0c3r0c4|4,r0c5r0c6|0,r1c0r1c1|0,r1c3r1c4|10,r1c5r1c6|0,r0c7r0c8r1c7|0,r1c2r2c2|23,r2c3r2c4r3c3r3c4r4c3|0,r1c8r2c7r2c8|0,r2c0r2c1r3c0|17,r3c1r3c2|0,r2c5r2c6r3c5|9,r4c1r4c2|10,r4c4r4c5|19,r3c6r3c7r3c8r4c6|8,r4c7r4c8|17,r4c0r5c0r5c1r5c2r5c3|26,r5c4r5c5r5c6r5c7|0,r6c0r6c1|15,r6c2r6c3|6,r6c4r6c5|15,r6c6r7c6|18,r5c8r6c8r7c8r8c8|0,r7c0r7c1|26,r7c4r7c5r8c5r8c6r8c7|9,r6c7r7c7|9,r8c0r8c1|0,r7c2r7c3r8c2|13,r8c3r8c4", "solution": "475621389368459172291873456789146523654382917132597648826915734917234865543768291", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4924, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4925, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-02-16", "puzzle": "24,r0c0r0c1r0c2r1c0r1c1|19,r0c3r0c4r1c4|20,r1c2r1c3r2c1r2c2|8,r0c5r1c5|15,r0c6r0c7r0c8r1c8r2c8|9,r2c3r2c4|0,r1c6r1c7r2c6r2c7|0,r2c0r3c0|0,r3c3r3c4r4c4r4c5r5c5|0,r2c5r3c5r3c6|13,r3c7r3c8|0,r3c1r4c1|0,r3c2r4c2|6,r4c7r4c8r5c8|11,r4c0r5c0r6c0|15,r5c1r5c2|13,r4c3r5c3r5c4|0,r4c6r5c6|13,r5c7r6c6r6c7r7c6|10,r6c1r6c2r7c2|8,r6c3r7c3|0,r6c4r6c5|20,r7c0r7c1r8c0r8c1|14,r7c4r7c5|0,r6c8r7c7r7c8r8c7r8c8|21,r8c2r8c3r8c4|6,r8c5r8c6", "solution": "469827315325691784781543692534219876196478523278365941852734169943186257617952438", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4925, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4926, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-02-17", "puzzle": "11,r0c0r0c1|3,r0c5r0c6|12,r1c0r1c1|16,r0c2r1c2|17,r0c3r0c4r1c3|9,r1c4r1c5r1c6|13,r0c7r0c8r1c7|3,r2c1r2c2|15,r1c8r2c8r3c8|9,r2c0r3c0r4c0|14,r3c1r3c2|14,r2c3r2c4r3c3|12,r2c5r3c5|21,r2c6r2c7r3c6|10,r4c1r5c1|9,r4c2r4c3|12,r3c4r4c4r5c4|13,r4c5r4c6|16,r3c7r4c7|14,r5c2r6c1r6c2|16,r5c3r6c3|22,r5c5r6c4r6c5|5,r5c6r5c7|14,r4c8r5c8r6c8|14,r5c0r6c0r7c0|8,r6c6r6c7|22,r7c1r8c0r8c1|10,r7c2r7c3r7c4|11,r7c5r8c4r8c5|11,r7c6r8c6|5,r7c7r7c8|9,r8c2r8c3|15,r8c7r8c8", "solution": "569472138847631529312589764495163872231847695678925413124798356783256941956314287", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4926, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4927, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-02-17", "puzzle": "17,r0c3r0c4r0c5|28,r0c0r0c1r1c0r1c1|10,r0c2r1c2r1c3|9,r1c4r1c5|19,r0c6r1c6r2c6|14,r0c7r0c8r1c7r2c7|23,r2c0r2c1r3c0r4c0r5c0|20,r2c2r2c3r3c2|4,r2c4r2c5|12,r1c8r2c8|27,r3c3r3c4r3c5r3c6r3c7r3c8|7,r3c1r4c1|34,r4c2r4c3r5c2r5c3r5c4r6c3|16,r4c4r4c5r5c5|25,r4c6r4c7r4c8r5c6r5c7|26,r5c1r6c0r6c1r6c2r7c1|8,r6c4r6c5|10,r6c6r6c7|12,r5c8r6c8|20,r7c2r7c3r7c4r8c4|22,r7c5r7c6r8c5r8c6|11,r7c0r8c0r8c1|9,r8c2r8c3|14,r7c7r8c7|8,r7c8r8c8", "solution": "653287941981645237274913865837524619546891723129376584495162378768439152312758496", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4927, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4928, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-02-17", "puzzle": 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"18,r0c3r0c4r1c3|14,r0c5r0c6r0c7|11,r0c0r0c1r1c0|6,r1c1r2c1|15,r0c2r1c2|14,r1c4r2c4|16,r1c5r1c6|9,r0c8r1c7r1c8|7,r2c2r2c3|7,r2c7r2c8|24,r2c0r3c0r3c1|11,r2c5r3c5|12,r2c6r3c6|14,r3c7r4c7|5,r4c0r5c0|5,r3c2r4c2|3,r3c3r4c3|15,r3c4r4c4r5c4|10,r4c5r5c5|4,r4c6r5c6|11,r3c8r4c8|15,r4c1r5c1|11,r5c2r6c2|17,r5c3r6c3|16,r5c7r5c8r6c8|10,r6c0r6c1|7,r6c5r6c6|16,r7c0r7c1r8c0|16,r7c2r7c3|3,r6c4r7c4|8,r7c6r8c6|10,r6c7r7c7|18,r7c8r8c7r8c8|10,r8c1r8c2r8c3|17,r7c5r8c4r8c5", "solution": "627491853318567942954382716872139564493256187165874329286913475549728631731645298", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4930, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4931, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-02-18", "puzzle": 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"10,r0c0r0c1r1c1|22,r0c2r0c3r1c3|13,r0c5r0c6r1c5|15,r0c7r0c8r1c7|6,r0c4r1c4|13,r1c0r2c0|17,r1c2r2c1r2c2|11,r2c3r2c4r2c5|21,r1c6r2c6r2c7|7,r1c8r2c8|5,r3c1r3c2|20,r3c3r3c4r3c5|8,r3c6r3c7|20,r3c0r4c0r5c0|11,r4c1r4c2r5c1|10,r4c3r4c4r4c5|18,r4c6r4c7r5c7|16,r3c8r4c8r5c8|17,r5c2r6c2|9,r5c3r6c3|10,r5c4r6c4|8,r5c5r6c5|4,r5c6r6c6|15,r6c0r6c1r7c0|4,r7c2r7c3|12,r7c5r7c6|17,r6c7r6c8r7c8|15,r7c1r8c0r8c1|10,r8c2r8c3|16,r7c4r8c4|7,r8c5r8c6|18,r7c7r8c7r8c8", "solution": "365917248912854736487236951741389625536721894829465317278543169653198472194672583", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4935, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4936, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-02-19", "puzzle": "7,r0c0r0c1r1c0|11,r0c2r0c3|18,r0c5r0c6r0c7r1c7|10,r0c4r1c4|14,r1c5r1c6|12,r0c8r1c8|28,r1c1r1c2r2c1r2c2|11,r1c3r2c3r2c4|21,r2c7r2c8r3c7|13,r2c0r3c0|16,r3c1r3c2r4c2|13,r2c5r3c5r4c5r4c6|10,r2c6r3c6|8,r4c0r4c1|19,r3c3r3c4r4c3r4c4|10,r3c8r4c8|26,r5c2r5c3r5c4r6c4|26,r5c5r5c6r6c5r6c6|28,r5c0r6c0r7c0r7c1|5,r5c1r6c1|9,r6c2r6c3|8,r4c7r5c7r6c7|7,r5c8r6c8|9,r7c4r7c5r7c6|24,r7c7r7c8r8c7r8c8|6,r8c0r8c1|9,r7c2r7c3r8c2|15,r8c3r8c4|12,r8c5r8c6", "solution": "243879165168435927795612384681354792357291648429786531934527816876143259512968473", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4936, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4937, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-02-19", "puzzle": 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"0,r0c0r0c1|27,r0c2r0c3r0c4r0c5r0c6|5,r0c7r0c8|14,r1c1r1c2r2c1|4,r1c4r2c4|24,r1c6r1c7r2c7|0,r1c0r2c0r3c0|12,r1c3r2c3|7,r1c5r2c5|20,r1c8r2c8r3c8|15,r2c2r3c1r3c2r4c2|0,r3c3r3c4r3c5|19,r2c6r3c6r3c7r4c6|0,r4c0r4c1|12,r4c3r4c4r4c5|14,r4c7r4c8|0,r5c0r5c1|0,r5c2r5c3|11,r5c5r5c6|0,r5c7r5c8|0,r6c1r6c2r6c3|0,r5c4r6c4|21,r6c5r6c6r6c7|29,r6c0r7c0r8c0r8c1r8c2r8c3|17,r7c1r7c2|0,r7c3r7c4r7c5r8c4|9,r7c6r7c7|26,r6c8r7c8r8c5r8c6r8c7r8c8", "solution": "854796123367412895912835476648271359291354768573689214735168942489527631126943587", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4939, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4940, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-02-20", "puzzle": "13,r0c2r0c3r1c3|10,r0c4r0c5|13,r0c6r0c7r0c8|7,r0c0r1c0|23,r0c1r1c1r1c2|16,r1c5r1c6|7,r1c8r2c8|5,r2c0r2c1|12,r1c4r2c4|13,r2c5r2c6|20,r1c7r2c7r3c7|6,r2c2r3c1r3c2|8,r2c3r3c3|18,r3c0r4c0r4c1|17,r4c2r4c3|12,r3c4r4c4|14,r3c5r3c6r4c5|3,r4c6r4c7|8,r3c8r4c8|21,r5c1r5c2r5c3|10,r5c5r5c6|4,r5c0r6c0|7,r6c1r6c2|13,r5c4r6c3r6c4|15,r6c5r6c6|13,r5c7r5c8r6c7|24,r6c8r7c8r8c8|13,r7c1r7c2r8c1|13,r7c3r7c4|5,r7c6r8c6|16,r7c0r8c0|13,r8c2r8c3r8c4|6,r7c5r8c5|7,r7c7r8c7", "solution": "597146382286537941413298576821654793649873215375912864152489637934765128768321459", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4940, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4941, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-02-20", "puzzle": "35,r0c0r0c1r0c2r1c0r2c0|13,r0c4r0c5r1c4|7,r0c6r0c7|6,r1c1r1c2r2c1|8,r0c3r1c3|5,r1c6r1c7|24,r0c8r1c8r2c8|22,r1c5r2c4r2c5|5,r3c0r3c1|15,r2c2r2c3r3c2|14,r2c6r3c6|10,r2c7r3c7r3c8|45,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4r5c5|12,r4c6r4c7|11,r4c0r4c1r5c0|20,r4c2r5c1r5c2|13,r5c6r5c7|5,r4c8r5c8|15,r6c1r7c1|9,r6c2r6c3|9,r6c5r7c5|24,r6c6r6c7r6c8r7c6r8c6|8,r6c0r7c0|11,r7c2r7c3r8c3|11,r6c4r7c4|18,r8c0r8c1r8c2|9,r8c4r8c5|21,r7c7r7c8r8c7r8c8", "solution": "896341527732586149514279638329457816468912753157638492271895364683124975945763281", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4941, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4944, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-02-20", "puzzle": "9,r0c0r0c1|27,r0c2r0c3r0c4r1c3r1c4|13,r1c1r1c2|0,r0c5r1c5|8,r0c6r1c6|10,r0c7r1c7|9,r0c8r1c8|0,r1c0r2c0r2c1|0,r2c4r2c5|18,r2c6r2c7r2c8|16,r3c0r3c1|0,r2c2r2c3r3c2|0,r4c0r4c1r4c2|0,r3c3r4c3r5c3|12,r3c4r4c4r5c4|15,r3c5r4c5r5c5|21,r3c6r4c6r5c6|11,r5c0r5c1|0,r5c2r6c2r6c3|24,r3c7r3c8r4c7r4c8r5c7r5c8|15,r6c0r6c1r7c0|0,r6c4r6c5|0,r6c6r6c7r6c8|6,r7c1r7c2|8,r7c5r8c5|12,r7c6r8c6|0,r7c7r8c7|16,r7c8r8c8|0,r8c0r8c1|23,r7c3r7c4r8c2r8c3r8c4", "solution": "183257694476983215529164378792431586831675942654829731247598163915346827368712459", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4944, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4942, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-02-20", "puzzle": 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"20,r0c1r0c2r0c3r1c1|13,r0c7r0c8|15,r0c0r1c0|15,r0c4r0c5r1c4|23,r1c5r2c5r2c6r2c7|4,r0c6r1c6|9,r1c7r1c8|3,r2c0r2c1|13,r1c2r2c2|11,r1c3r2c3|23,r3c0r3c1r3c2r3c3|8,r2c4r3c4|5,r2c8r3c8|16,r4c0r4c1r5c0r5c1|10,r4c2r4c3|23,r3c5r4c4r4c5r5c5|26,r3c6r3c7r4c6r4c7r5c7|9,r5c3r5c4|9,r4c8r5c8|32,r5c2r6c2r7c2r8c0r8c1r8c2|17,r5c6r6c6|19,r6c0r6c1r7c0r7c1|12,r6c3r6c4r6c5r7c3|22,r7c4r7c5r7c6|22,r8c3r8c4r8c5r8c6|26,r6c7r6c8r7c7r7c8r8c7r8c8", "solution": "973624158645891327128357694482936571359178246716542983267415839834269715591783462", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4951, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4953, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-02-22", "puzzle": 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"13,r0c1r0c2|21,r0c6r0c7r0c8r1c8r2c8|6,r0c0r1c0r2c0|16,r0c3r1c2r1c3|13,r0c4r1c4|9,r0c5r1c5|24,r1c6r1c7r2c6r2c7|10,r1c1r2c1|14,r2c3r2c4r3c3|0,r3c0r3c1|21,r2c2r3c2r4c2|20,r2c5r3c5r3c6|0,r3c7r3c8|0,r4c0r4c1|19,r3c4r4c4r4c5|14,r4c6r5c5r5c6|0,r4c7r4c8|17,r5c0r5c1r5c2|12,r4c3r5c3r5c4|24,r5c7r5c8r6c7|0,r6c4r6c5r6c6|14,r6c8r7c8|0,r7c0r7c1r8c0r8c1|0,r6c0r6c1r6c2r7c2r8c2|17,r6c3r7c3r8c3|8,r7c4r8c4|0,r7c5r8c5|0,r7c6r7c7|0,r8c6r8c7r8c8", "solution": "285147369367892451149365872714586923538729614692413587453671298821954736976238145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4954, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4956, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-02-23", "puzzle": 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"14,r0c4r0c5|9,r0c0r1c0|12,r0c1r1c1|11,r0c2r1c2|6,r0c3r1c3r1c4|14,r0c6r0c7r1c6|20,r0c8r1c7r1c8|13,r2c1r2c2r3c2|21,r2c3r2c4r3c3|9,r1c5r2c5|3,r2c7r2c8|14,r2c0r3c0r4c0|19,r2c6r3c5r3c6|18,r3c7r3c8r4c8|9,r3c1r4c1r5c1|10,r3c4r4c4|8,r4c5r4c6r5c6|17,r4c2r4c3r5c2|8,r5c4r5c5|17,r4c7r5c7|11,r5c0r6c0|14,r5c3r6c2r6c3|15,r6c4r6c5|18,r6c6r6c7r7c6|11,r5c8r6c8|16,r6c1r7c0r7c1|9,r7c3r7c4r7c5|7,r7c7r7c8|15,r8c0r8c1|11,r7c2r8c2|13,r8c3r8c4|8,r8c5r8c6|5,r8c7r8c8", "solution": "179268354852134679346975821413589267768423195925617483231796548587342916694851732", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4975, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4977, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-02-27", "puzzle": "19,r0c1r0c2r0c3r0c4r1c1|22,r0c5r0c6r0c7r0c8|9,r1c4r1c5r1c6|30,r0c0r1c0r2c0r2c1|8,r1c2r2c2|8,r2c4r3c4|25,r2c5r2c6r3c5r3c6|30,r1c7r1c8r2c7r2c8r3c7|18,r1c3r2c3r3c1r3c2r3c3|14,r4c1r4c2|13,r4c3r4c4r4c5|9,r4c6r4c7|13,r3c8r4c8r5c8|11,r3c0r4c0r5c0|35,r5c1r5c2r5c3r6c3r7c3|17,r6c0r6c1r7c0r8c0|8,r6c2r7c2|17,r5c4r6c4|14,r5c5r5c6r6c5r6c6|22,r5c7r6c7r6c8r7c7r7c8|14,r7c4r7c5r7c6|30,r7c1r8c1r8c2r8c3r8c4|19,r8c5r8c6r8c7r8c8", "solution": "821754936945326178763819524614273895259148367387695241472981653196537482538462719", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4977, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4978, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-02-27", "puzzle": "12,r0c3r0c4r0c5|0,r0c0r1c0|15,r0c1r0c2r1c1|0,r1c2r1c3|0,r1c5r1c6|0,r0c6r0c7r1c7|0,r0c8r1c8|5,r2c2r2c3|0,r1c4r2c4|0,r2c5r2c6|16,r2c0r2c1r3c0|16,r3c3r3c4r3c5|18,r2c7r2c8r3c8|0,r3c1r3c2r4c1r4c2|20,r3c6r3c7r4c6r4c7|11,r4c0r5c0|5,r5c1r5c2|27,r4c3r4c4r4c5r5c3r5c5|15,r5c6r5c7|9,r4c8r5c8|12,r6c0r6c1|0,r5c4r6c4r7c4r8c4|0,r6c7r6c8|15,r6c2r7c2|7,r6c3r7c3|7,r6c5r7c5|3,r6c6r7c6|7,r7c0r7c1r8c0|20,r8c1r8c2r8c3|0,r8c5r8c6r8c7|20,r7c7r7c8r8c8", "solution": "684291357539867412712345698876439521253718946941526783397184265428653179165972834", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4978, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4979, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-02-27", "puzzle": "26,r0c0r0c1r0c2r1c0r1c1r1c2|20,r0c3r0c4r0c5r1c5|15,r0c6r0c7r1c7r2c7|12,r1c3r1c4|12,r0c8r1c8|13,r2c2r2c3|6,r2c4r2c5|0,r1c6r2c6|13,r2c0r3c0|35,r2c1r3c1r3c2r3c3r3c4|0,r3c5r3c6|3,r2c8r3c8|0,r4c0r4c1r5c1|0,r4c2r4c3r4c4r4c5r4c6|0,r3c7r4c7r4c8|10,r5c0r6c0|7,r5c2r5c3|29,r5c4r5c5r5c6r5c7r6c7|0,r5c8r6c8|9,r6c2r7c2|0,r6c3r6c4|0,r6c5r6c6|7,r7c0r8c0|0,r7c4r7c5|20,r6c1r7c1r8c1r8c2|25,r7c3r8c3r8c4r8c5|0,r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "239851647714396825856742931597683412642517389183429756928174563461935278375268194", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4979, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4980, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-02-28", "puzzle": "15,r0c1r0c2|14,r0c6r0c7r0c8|15,r0c0r1c0r2c0|13,r1c1r1c2r2c1|9,r0c3r0c4r1c3|9,r0c5r1c5|14,r1c7r1c8|11,r2c2r2c3|18,r1c4r2c4r2c5|7,r1c6r2c6|15,r2c7r2c8r3c7|15,r3c2r3c3|9,r3c4r3c5|6,r3c0r4c0r5c0|17,r3c1r4c1|9,r4c2r5c2|20,r4c3r4c4r4c5|10,r3c6r4c6|9,r4c7r5c7|13,r3c8r4c8r5c8|3,r5c3r5c4|13,r5c5r5c6|18,r5c1r6c0r6c1|7,r6c2r7c2|20,r6c3r6c4r7c4|4,r6c5r6c6|9,r7c0r7c1|10,r7c3r8c3|12,r7c5r8c4r8c5|16,r6c7r7c6r7c7|13,r6c8r7c8r8c8|17,r8c0r8c1r8c2|15,r8c6r8c7", "solution": "678352914539147268412968537297836451185794623364215879846573192721689345953421786", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4980, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4981, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-02-28", "puzzle": "15,r0c0r0c1|17,r0c2r0c3r0c4r1c2|18,r0c6r0c7r1c6r1c7|11,r1c0r1c1|25,r1c3r1c4r2c3r2c4r3c3|16,r0c5r1c5r2c5|8,r0c8r1c8|9,r2c1r2c2|17,r2c6r2c7|13,r2c0r3c0r3c1|3,r3c4r3c5|13,r3c6r3c7|9,r2c8r3c8|5,r4c0r4c1|42,r3c2r4c2r4c3r4c4r4c5r4c6r5c6|8,r4c7r4c8|13,r5c0r6c0|9,r5c1r5c2|17,r5c3r5c4|8,r5c7r5c8r6c8|16,r6c1r6c2|3,r6c6r6c7|9,r7c0r8c0|14,r6c3r7c3r8c3|26,r5c5r6c4r6c5r7c4r7c5|15,r7c7r7c8|12,r7c1r7c2r8c1r8c2|21,r7c6r8c4r8c5r8c6|13,r8c7r8c8", "solution": "785269143294813675163574892936421587418357926527986431879635214352148769641792358", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4981, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4983, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-02-28", "puzzle": "9,r0c0r0c1|26,r0c3r0c4r0c5r0c6|0,r1c0r1c1|0,r0c2r1c2|0,r0c7r1c7|13,r0c8r1c8|0,r2c0r2c1|9,r1c3r2c2r2c3|0,r1c4r1c5r2c4r2c5|0,r1c6r2c6|0,r2c7r2c8|22,r3c2r3c3r4c2|11,r3c5r3c6|0,r3c7r3c8|11,r3c0r4c0|6,r3c1r4c1|0,r3c4r4c3r4c4r4c5r5c4|0,r4c7r5c7|13,r4c8r5c8|7,r5c0r5c1|9,r5c2r5c3|0,r4c6r5c5r5c6|0,r6c0r6c1|10,r6c2r7c2|18,r6c3r6c4r7c3r7c4|13,r6c5r6c6r7c5|0,r6c7r6c8|9,r7c0r8c0|12,r7c1r8c1|7,r7c6r8c6|0,r7c7r7c8|23,r8c2r8c3r8c4r8c5|0,r8c7r8c8", "solution": "273498516954361827681527493345879261829613745167245938712956384598134672436782159", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4983, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4982, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-02-28", "puzzle": "39,r0c1r0c2r0c3r0c4r0c5r0c6r0c7|11,r0c0r1c0|10,r1c3r1c4r1c5|8,r0c8r1c8|3,r1c1r2c1|11,r1c2r2c2|9,r1c6r2c6|16,r1c7r2c7|6,r2c3r3c3|14,r2c4r3c4|9,r2c5r3c5|38,r2c0r3c0r3c1r3c2r4c1r4c2r4c3|39,r2c8r3c6r3c7r3c8r4c5r4c6r4c7|10,r4c0r5c0r5c1|25,r4c4r5c3r5c4r5c5|14,r4c8r5c7r5c8|27,r5c2r6c0r6c1r6c2|15,r5c6r6c6r6c7r6c8|19,r6c3r7c2r7c3|11,r6c4r7c4|15,r6c5r7c5r7c6|18,r7c0r7c1r8c0r8c1|21,r8c2r8c3r8c4r8c5r8c6|17,r7c7r7c8r8c7r8c8", "solution": "495716382718523496623498571947251863281369754356874219579632148134987625862145937", "extra": "{\"grid_size\": 9, \"puzzle_number\": 4982, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 4986, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-02-29", "puzzle": 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"14,r0c0r0c1|8,r0c5r0c6|0,r1c0r1c1|15,r0c2r0c3r1c2r1c3|0,r0c4r1c4r1c5r1c6|0,r0c7r1c7|10,r0c8r1c8|0,r2c2r2c3|0,r2c4r2c5|0,r2c6r2c7|0,r2c0r3c0|11,r2c1r3c1|14,r3c2r3c3r3c4r3c5|0,r3c6r3c7|13,r2c8r3c8|21,r4c0r4c1r4c2|7,r4c3r4c4|0,r4c5r4c6r4c7r4c8|6,r5c0r6c0|0,r5c1r6c1|29,r5c2r5c3r5c4r5c5|10,r5c6r5c7|0,r5c8r6c8|0,r6c2r6c3|7,r6c4r6c5|0,r6c6r6c7|13,r7c0r7c1|20,r7c2r7c3r8c2r8c3|17,r7c4r7c5r7c6r8c4|0,r7c7r8c7|7,r7c8r8c8|4,r8c0r8c1|15,r8c5r8c6", "solution": "867495321453182679291763548726341985948526137135978462589234716674819253312657894", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5038, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5037, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-03-10", "puzzle": 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"12,r0c0r0c1r0c2|9,r0c3r0c4|10,r0c6r0c7r1c6|21,r1c2r1c3r1c4|14,r0c5r1c5|14,r1c7r2c7|12,r0c8r1c8|11,r1c0r2c0|15,r1c1r2c1r2c2|4,r2c4r2c5|17,r3c1r3c2|10,r2c3r3c3|13,r3c4r3c5r4c4|9,r2c6r3c6|12,r2c8r3c8|12,r3c0r4c0r5c0|13,r4c5r4c6|14,r3c7r4c7r4c8|11,r4c1r4c2r5c1|9,r4c3r5c2r5c3|7,r5c6r5c7|12,r6c2r7c2|23,r5c4r5c5r6c4|8,r6c5r6c6r7c5|12,r5c8r6c8|11,r6c0r7c0|16,r6c1r7c1|10,r6c3r7c3r7c4|18,r6c7r7c6r7c7|4,r8c0r8c1|10,r8c2r8c3|20,r8c4r8c5r8c6|12,r7c8r8c7r8c8", "solution": "831726549247958163956413287189642735463175892725389614594261378678534921312897456", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5065, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5066, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-03-16", "puzzle": 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"13,r0c2r0c3r0c4|10,r0c5r0c6|9,r0c0r1c0|14,r0c1r1c1|14,r1c3r2c3|21,r1c4r1c5r2c5|5,r1c6r2c6|18,r0c7r0c8r1c7|9,r2c0r2c1|7,r1c2r2c2|14,r1c8r2c7r2c8|10,r3c1r3c2|10,r2c4r3c3r3c4|10,r3c6r3c7|19,r3c0r4c0r5c0|12,r4c1r4c2|11,r4c3r4c4|10,r3c5r4c5r5c5|9,r4c6r4c7|20,r3c8r4c8r5c8|4,r5c1r5c2|18,r5c3r5c4r6c4|6,r5c6r5c7|8,r6c0r6c1|16,r6c2r7c2|14,r6c7r6c8r7c8|8,r7c0r8c0|5,r7c1r8c1|14,r6c3r7c3|11,r6c5r7c4r7c5|12,r6c6r7c6|16,r7c7r8c7r8c8|16,r8c2r8c3r8c4|12,r8c5r8c6", "solution": "156342879894567123723918456682453917475291638931786245267834591319625784548179362", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5080, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5081, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-03-19", "puzzle": 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"9,r0c0r0c1|13,r0c5r0c6r1c5|9,r0c7r0c8r1c8|27,r1c0r1c1r2c0r3c0|11,r0c2r1c2|15,r0c3r1c3|6,r0c4r1c4|14,r1c6r1c7|12,r2c2r2c3|17,r2c5r2c6r2c7|10,r2c1r3c1r3c2|28,r2c4r3c4r4c4r5c4r6c4|14,r3c5r3c6r3c7|7,r2c8r3c8|14,r4c0r4c1|20,r3c3r4c2r4c3r5c3|10,r4c5r4c6|8,r4c7r4c8|13,r5c1r5c2r6c1|13,r5c5r5c6r5c7|17,r5c8r6c8|6,r6c2r6c3|17,r6c5r6c6r6c7|15,r5c0r6c0r7c0r7c1|14,r7c2r8c2|7,r7c3r8c3|11,r7c4r8c4|8,r7c6r7c7|7,r8c0r8c1|17,r7c5r8c5r8c6|16,r7c8r8c7r8c8", "solution": "819753642762814593543962871951378426687421935324695718275146389198537264436289157", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5117, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5120, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-03-27", "puzzle": 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"12,r0c3r0c4|27,r0c5r0c6r0c7r1c6r1c7|0,r0c0r1c0r2c0r2c1r2c2|13,r0c1r1c1|0,r0c2r1c2|0,r1c3r1c4r2c4|9,r0c8r1c8|10,r3c0r3c1r3c2|17,r2c3r3c3r3c4r4c4|0,r1c5r2c5r2c6r3c5r3c6r4c6|0,r2c7r3c7|0,r2c8r3c8|16,r4c0r4c1r4c2|11,r4c7r4c8r5c7r5c8|10,r5c0r5c1|11,r4c3r5c3r6c3|25,r4c5r5c4r5c5r6c4|16,r6c0r6c1r7c0|0,r5c2r6c2|12,r5c6r6c6|13,r7c1r7c2|7,r6c5r7c5r7c6|8,r6c7r7c7|10,r6c8r7c8|5,r8c0r8c1|0,r7c3r8c2r8c3|0,r7c4r8c4|22,r8c5r8c6r8c7r8c8", "solution": "862579341971423658453186279217935486538647912649218735186394527794852163325761894", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5119, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5121, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-03-27", "puzzle": "20,r0c3r0c4r0c5r1c4r2c4|22,r0c0r0c1r1c0r2c0r3c0|22,r0c2r1c1r1c2|19,r0c6r1c6r1c7|19,r0c7r0c8r1c8r2c8r3c8|12,r2c1r2c2r3c1|18,r1c3r2c3r3c3|20,r1c5r2c5r3c5|10,r2c6r2c7r3c7|6,r3c4r4c4|14,r3c2r4c1r4c2|16,r3c6r4c6r4c7|13,r4c0r5c0|7,r5c1r5c2|26,r4c3r4c5r5c3r5c4r5c5|10,r5c6r5c7|16,r4c8r5c8|5,r6c2r6c3|7,r6c5r6c6|28,r6c0r6c1r7c0r7c1r8c0|17,r6c4r7c4|29,r6c7r6c8r7c7r7c8r8c8|21,r7c2r7c3r8c1r8c2|9,r8c3r8c4r8c5|19,r7c5r7c6r8c6r8c7", "solution": "856412973497365821231978456389647512614529387725831649573286194168794235942153768", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5121, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5122, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-03-27", "puzzle": "25,r0c3r0c4r0c5r1c3r1c4r1c5|27,r0c0r0c1r0c2r1c0r2c0|11,r1c1r1c2|8,r1c6r1c7|29,r0c6r0c7r0c8r1c8r2c8|14,r2c2r2c3r3c2|18,r2c5r2c6r3c6|14,r2c1r3c1|9,r2c4r3c4|9,r2c7r3c7|15,r3c0r4c0r4c1r4c2|11,r3c3r4c3|15,r3c5r4c5|16,r3c8r4c6r4c7r4c8|15,r5c1r5c2r5c3|13,r4c4r5c4|13,r5c5r5c6r5c7|16,r5c0r6c0r6c1r7c0|26,r6c2r6c3r6c4r6c5r6c6|22,r5c8r6c7r6c8r7c8|20,r7c1r7c2r8c2|12,r7c3r7c4r7c5|12,r7c6r7c7r8c6|9,r8c0r8c1|15,r8c3r8c4r8c5|11,r8c7r8c8", "solution": "953862714847135629261974538384527961192648357675391842416783295538219476729456183", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5122, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5123, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2012-03-27", "puzzle": "32,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|0,r0c2r0c3|17,r1c3r2c3|0,r0c4r0c5r1c4r2c4|17,r0c6r1c5r1c6|6,r0c7r1c7|0,r0c8r1c8|0,r2c5r2c6|0,r2c7r2c8|6,r2c0r3c0|12,r3c1r3c2|7,r3c3r3c4r4c3|0,r3c5r3c6|22,r4c0r4c1r4c2r5c0|20,r3c7r3c8r4c7|7,r5c2r6c2|25,r4c4r4c5r5c4r5c5|4,r4c6r5c6|14,r4c8r5c7r5c8|15,r5c1r6c0r6c1|8,r5c3r6c3|16,r6c4r6c5|25,r6c6r6c7r6c8r7c6r8c6|12,r7c0r7c1|0,r7c3r7c4r8c3|20,r7c7r7c8r8c7r8c8|5,r8c0r8c1|0,r7c2r8c2|0,r7c5r8c4r8c5", "solution": "968712453372945816514836927193428765825167394746593182651379248487251639239684571", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5123, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5124, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2012-03-27", "puzzle": 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"16,r0c6r0c7r1c6r1c7|7,r0c0r1c0|24,r0c1r0c2r0c3r1c1|25,r0c4r0c5r1c4r1c5|10,r0c8r1c8|19,r1c2r2c2r3c2r4c2r5c2|8,r1c3r2c3|25,r2c5r2c6r2c7r3c5r3c7|22,r2c0r2c1r3c0r3c1|12,r2c8r3c8|13,r4c0r4c1|15,r3c3r4c3|7,r4c5r5c5|7,r4c7r4c8|6,r5c0r6c0|25,r2c4r3c4r4c4r5c4r6c4|23,r5c7r5c8r6c7r6c8|23,r5c1r5c3r6c1r6c2r6c3|13,r6c5r7c5|24,r3c6r4c6r5c6r6c6r7c6|10,r7c0r8c0|15,r7c3r7c4r8c3r8c4|25,r7c7r8c5r8c6r8c7|9,r7c8r8c8|22,r7c1r7c2r8c1r8c2", "solution": "327691854495378216681542739712859643948763125563124987139487562254916378876235491", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5132, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5134, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-03-29", "puzzle": 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"23,r0c0r0c1r0c2|14,r0c3r0c4r1c3|0,r0c5r0c6|0,r1c4r1c5|0,r0c7r1c6r1c7|12,r0c8r1c8|12,r1c0r2c0|8,r1c1r2c1r3c1|6,r1c2r2c2|19,r2c5r2c6r3c6r3c7|0,r2c7r2c8|26,r2c3r2c4r3c2r3c3|40,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|11,r3c0r4c0r5c0|14,r4c1r4c2|8,r4c6r4c7|12,r3c8r4c8r5c8|23,r5c5r5c6r6c4r6c5|0,r6c0r6c1|0,r5c1r5c2r6c2r6c3|11,r6c6r7c6|0,r5c7r6c7r7c7|8,r6c8r7c8|0,r7c0r8c0|0,r7c1r7c2r8c1|0,r7c3r7c4|0,r8c2r8c3|0,r7c5r8c4r8c5|0,r8c6r8c7r8c8", "solution": "986157423714823659532964178248371596395486712671592834153649287867235941429718365", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5148, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5149, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-04-01", "puzzle": "19,r0c0r0c1r1c0r2c0|20,r0c4r0c5r0c6|11,r0c7r0c8r1c8|10,r0c2r1c1r1c2|9,r0c3r1c3|17,r1c4r1c5|17,r2c1r2c2r3c2|0,r1c6r1c7r2c7|22,r3c0r3c1r4c0|0,r2c3r3c3|0,r2c4r2c5r2c6r3c5r3c6r4c6|0,r3c7r4c7|0,r2c8r3c8r4c8|27,r4c2r4c3r5c3r5c4r6c4|0,r3c4r4c4r4c5|15,r4c1r5c1r5c2|7,r5c5r5c6|0,r5c7r5c8|9,r5c0r6c0|22,r6c1r6c2r7c2|0,r6c5r6c6r7c6|7,r6c7r6c8r7c7|16,r7c0r7c1r8c0r8c1|11,r6c3r7c3r7c4|0,r7c5r8c4r8c5|28,r7c8r8c6r8c7r8c8|9,r8c2r8c3", "solution": "235674918614398572897215463961837254723541896458926137576489321389162745142753689", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5149, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5150, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-04-02", "puzzle": 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"3,r0c4r0c5|22,r0c0r0c1r1c0r1c1|15,r0c2r0c3r1c2|0,r1c3r1c4r1c5|33,r0c6r0c7r0c8r1c6r1c7r1c8r2c8|7,r2c0r2c1r3c0|16,r2c2r2c3r3c2|0,r2c4r2c5|0,r3c3r3c4r4c3|13,r2c6r3c6|9,r2c7r3c7|0,r3c1r4c1r5c1|11,r4c6r4c7|15,r3c8r4c8|0,r4c0r5c0|0,r4c2r5c2|0,r3c5r4c4r4c5r5c3r5c4|36,r6c0r6c1r7c0r7c1r8c0r8c1r8c2|12,r6c2r6c3|22,r5c5r5c6r6c5r6c6|3,r5c7r6c7|0,r5c8r6c8|10,r7c2r7c3|0,r6c4r7c4|0,r7c5r7c6|6,r8c3r8c4|0,r8c5r8c6|17,r7c7r7c8r8c7r8c8", "solution": "359421786682397145417865932271953468536184297948276513165748329794632851823519674", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5199, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5201, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-04-12", "puzzle": "13,r0c0r0c1|9,r0c4r0c5r0c6|16,r0c2r1c2r2c2|9,r0c3r1c3|12,r0c7r1c7|4,r0c8r1c8|17,r1c0r2c0r3c0r4c0|9,r1c1r2c1|16,r1c4r2c4|16,r1c5r1c6r2c5|9,r2c6r3c6|25,r2c3r3c2r3c3r4c2|9,r3c4r3c5|23,r2c7r3c7r4c7r5c7|11,r2c8r3c8|17,r4c3r4c4r4c5|7,r5c0r6c0|18,r3c1r4c1r5c1r6c1|3,r5c3r5c4|23,r4c6r5c5r5c6r6c5|11,r5c2r6c2|14,r6c3r7c2r7c3|13,r6c4r7c4|4,r6c7r7c7|28,r4c8r5c8r6c8r7c8|12,r7c0r8c0|14,r7c1r8c1|11,r7c5r8c5|16,r6c6r7c6r8c6|8,r8c2r8c3r8c4|8,r8c7r8c8", "solution": "948521673673498251125376894836945127217863945459217386392654718561782439784139562", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5201, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5200, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-04-12", "puzzle": "13,r0c3r0c4r0c5|9,r0c6r0c7|12,r0c0r1c0|11,r0c1r0c2r1c1|7,r1c2r1c3|15,r1c4r2c4|13,r1c5r1c6r1c7|17,r0c8r1c8|10,r2c0r2c1|14,r2c2r2c3|10,r2c5r2c6|4,r2c7r2c8|14,r3c3r3c4r4c4|6,r3c5r3c6|15,r3c7r3c8|16,r3c0r3c1r4c0|17,r3c2r4c1r4c2|7,r5c0r5c1|13,r4c3r5c3r5c4|17,r4c5r5c5|16,r4c6r4c7r5c6|7,r4c8r5c8|11,r6c0r6c1r7c1|9,r5c2r6c2|9,r6c4r6c5|11,r5c7r6c6r6c7|13,r6c8r7c8r8c8|17,r6c3r7c3|12,r7c4r7c5r8c4|16,r7c6r7c7r8c7|22,r7c0r8c0r8c1|11,r7c2r8c2r8c3|11,r8c5r8c6", "solution": "546193278713482659289576431492631587378259164165748923634927815927815346851364792", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5200, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5202, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-04-12", "puzzle": 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"7,r0c0r0c1r0c2|0,r0c3r0c4r0c5r1c4r1c5r2c4|0,r1c0r1c1|0,r1c2r1c3|22,r0c6r0c7r0c8r1c6|7,r1c7r1c8|0,r2c1r2c2r3c2|12,r2c6r2c7|14,r2c3r3c3|5,r2c5r3c5|0,r3c6r3c7|0,r3c1r4c1r5c1|0,r4c2r4c3|17,r3c4r4c4r4c5r5c4|5,r4c6r4c7|24,r2c0r3c0r4c0r5c0r6c0|3,r5c3r6c3|16,r5c5r6c5|10,r5c6r5c7|29,r2c8r3c8r4c8r5c8r6c8|0,r5c2r6c1r6c2|0,r6c6r6c7|3,r7c0r7c1|0,r7c2r7c3|21,r7c6r8c6r8c7r8c8|0,r7c7r7c8|0,r8c0r8c1r8c2|28,r6c4r7c4r7c5r8c3r8c4r8c5", "solution": "412396785938475261567821934873614529259738416641259378394187652125963847786542193", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5204, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5205, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-04-13", "puzzle": 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"22,r0c4r0c5r1c4r2c4|15,r0c6r0c7|20,r0c0r0c1r1c0r2c0|14,r1c5r1c6r1c7|7,r0c8r1c8|10,r2c6r2c7r2c8|45,r0c2r0c3r1c1r1c2r1c3r2c1r2c2r2c3r3c2|35,r3c3r3c4r4c3r4c4r5c3r6c3r7c3|34,r2c5r3c5r3c6r4c5r4c6r4c7r5c5|11,r3c0r4c0|7,r3c1r4c1|33,r5c0r5c1r6c0r7c0r7c1|14,r4c2r5c2|10,r5c6r5c7|18,r3c7r3c8r4c8r5c8|4,r6c1r6c2|3,r5c4r6c4|35,r6c5r6c6r7c4r7c5r7c6r7c7|39,r7c2r8c0r8c1r8c2r8c3r8c4r8c5r8c6|29,r6c7r6c8r7c8r8c7r8c8", "solution": "184275693237961584965843271451698732726534918398712465613429857872156349549387126", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5216, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5217, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-04-15", "puzzle": "21,r0c0r0c1r0c2r0c3r1c0r1c1|10,r1c2r1c3|19,r0c4r1c4r2c4|10,r1c5r1c6|36,r0c5r0c6r0c7r0c8r1c7r1c8|24,r2c0r2c1r2c2r3c0|19,r2c6r2c7r2c8r3c8|10,r3c1r3c2|25,r2c3r2c5r3c3r3c4r3c5|6,r3c6r3c7|13,r4c1r4c2r5c2|16,r4c3r4c4r4c5|20,r4c6r4c7r5c6|13,r4c0r5c0|10,r5c3r5c4r5c5|9,r4c8r5c8|11,r5c1r6c1|15,r6c2r6c3r7c3|11,r6c4r7c4|16,r6c5r6c6r7c5|11,r5c7r6c7|12,r6c0r7c0r8c0|13,r6c8r7c8r8c8|24,r7c1r7c2r8c1r8c2|10,r8c3r8c4r8c5|21,r7c6r7c7r8c6r8c7", "solution": "162359478549187326873264195628793514415826937937415862781942653396578241254631789", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5217, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5218, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2012-04-15", "puzzle": "5,r0c4r0c5|0,r0c0r1c0|13,r0c1r1c1|5,r0c2r1c2|9,r0c3r1c3|3,r0c6r1c6|9,r0c7r1c7|13,r0c8r1c8|0,r2c1r2c2r3c2|17,r1c4r2c4|26,r1c5r2c5r2c6r3c6|0,r2c0r3c0r3c1|4,r2c3r3c3|0,r3c4r3c5r4c5|24,r2c7r2c8r3c7r3c8|25,r4c0r4c1r4c2r4c3r4c4|0,r5c0r5c1|0,r5c2r6c2|18,r5c4r5c5r6c4|0,r4c6r5c6|0,r4c7r4c8r5c7|13,r5c3r6c3|10,r6c5r6c6|0,r5c8r6c8|0,r6c0r7c0r8c0|6,r6c1r7c1|15,r7c3r7c4r8c3|0,r7c2r8c1r8c2|17,r7c5r8c4r8c5|22,r6c7r7c6r7c7r7c8r8c6|7,r8c7r8c8", "solution": "974532168861497235523186497487315926635924871192768543258643719716259384349871652", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5218, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5219, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2012-04-15", "puzzle": 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"11,r0c6r0c7|18,r0c0r1c0r2c0|9,r0c1r0c2r1c1|15,r0c3r1c3|13,r0c4r0c5r1c4|11,r1c5r1c6r1c7|9,r0c8r1c8|13,r2c1r3c1|11,r1c2r2c2|16,r2c3r2c4r2c5|11,r2c7r2c8|9,r3c0r4c0|7,r2c6r3c6|12,r3c7r3c8r4c7|11,r3c2r4c2|20,r3c3r4c3r5c3|16,r3c4r4c4r5c4|9,r3c5r4c5r5c5|17,r4c6r5c6|15,r4c1r5c0r5c1|11,r5c2r6c2|11,r4c8r5c8|6,r6c0r6c1|18,r6c3r6c4r6c5|7,r6c6r7c6|8,r5c7r6c7|9,r7c0r8c0|10,r7c1r7c2r7c3|12,r7c4r8c3r8c4|11,r7c5r8c5|13,r7c7r8c6r8c7|19,r6c8r7c8r8c8|17,r8c1r8c2", "solution": "832947651945621738176358492768592314213864975594713826427189563351476289689235147", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5230, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5231, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-04-18", "puzzle": 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"15,r0c0r0c1r1c0|9,r0c6r0c7r0c8|37,r0c2r1c2r2c2r2c3r2c4r2c5r3c2r3c3|33,r0c3r0c4r0c5r1c3r1c4r1c5|11,r1c1r2c0r2c1|19,r3c0r3c1r4c1|37,r1c6r1c7r1c8r2c6r3c4r3c5r3c6|7,r2c7r3c7|15,r2c8r3c8|23,r4c3r4c4r5c4r6c4|33,r4c5r4c6r4c7r4c8r5c7r5c8|10,r4c0r5c0|20,r4c2r5c1r5c2r5c3|5,r6c2r6c3|18,r5c5r5c6r6c5r6c6|19,r6c7r6c8r7c7r8c7|5,r7c3r7c4|18,r7c5r7c6r8c5r8c6|44,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|16,r8c3r8c4|11,r7c8r8c8", "solution": "453879162627513984189264537795132648234658791816947253571486329968321475342795816", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5232, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5233, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-04-18", "puzzle": 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"16,r0c5r0c6r0c7r0c8|18,r0c0r0c1r1c0r1c1|10,r0c2r1c2|15,r0c3r0c4r1c3|27,r1c4r1c5r1c6r2c4r2c5|15,r2c0r2c1|14,r2c2r2c3r3c2r3c3|30,r1c7r1c8r2c6r2c7r2c8r3c6|14,r3c0r3c1r4c0|9,r4c5r4c6|9,r3c7r4c7|10,r3c8r4c8|32,r3c4r3c5r4c3r4c4r5c3|17,r5c5r5c6r6c5|17,r5c7r5c8r6c8|18,r5c0r6c0r7c0r8c0|28,r4c1r4c2r5c1r5c2r6c1|11,r5c4r6c4|12,r6c6r6c7r7c6|34,r6c2r6c3r7c1r7c2r8c1r8c2|3,r7c3r7c4|7,r8c3r8c4|12,r7c5r8c5r8c6|27,r7c7r7c8r8c7r8c8", "solution": "596817342134692857872453916413578269987264531625931784361789425748125693259346178", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5257, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5258, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-04-23", "puzzle": 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"12,r0c7r0c8|16,r0c0r1c0|10,r0c1r0c2r1c1|28,r0c3r0c4r0c5r0c6r1c3|20,r1c6r1c7r1c8r2c8r3c8|12,r2c0r2c1|10,r1c2r2c2r2c3|15,r1c4r2c4|6,r1c5r2c5|10,r2c6r2c7|9,r3c3r3c4|15,r3c6r4c6|9,r3c7r4c7|27,r3c0r3c1r3c2r4c0r4c1r5c0|10,r4c2r4c3r4c4|17,r3c5r4c5r5c5|5,r4c8r5c8|32,r5c1r5c2r5c3r6c1r6c3|12,r5c6r5c7|9,r6c0r7c0r7c1|15,r5c4r6c4|25,r6c5r6c6r6c7r6c8r7c5r7c6|32,r6c2r7c2r7c3r8c2r8c3|13,r7c7r7c8|6,r8c0r8c1|8,r7c4r8c4r8c5|22,r8c6r8c7r8c8", "solution": "932156748751984236846372195683725914275419683194863572368597421519248367427631859", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5261, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5260, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-04-24", "puzzle": 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"13,r0c7r0c8|17,r0c0r0c1r1c0|13,r0c2r1c1r1c2|12,r0c3r0c4r1c3|15,r0c5r1c4r1c5|16,r0c6r1c6r2c6|8,r1c7r1c8r2c8|16,r2c0r2c1r3c1|13,r2c2r2c3|11,r2c4r2c5|15,r3c3r3c4r3c5|15,r2c7r3c7r3c8|4,r3c0r4c0|15,r3c2r4c1r4c2|24,r3c6r4c6r4c7|17,r4c3r5c3r6c3|16,r4c4r4c5r5c4|8,r5c5r5c6r5c7|7,r4c8r5c8|14,r5c0r6c0|9,r5c1r6c1|13,r5c2r6c2|7,r6c5r6c6|7,r7c1r7c2r8c1|10,r6c4r7c4|18,r7c5r7c6r8c6|19,r6c7r6c8r7c7|14,r7c0r8c0|19,r7c3r8c2r8c3|6,r8c4r8c5|14,r7c8r8c7r8c8", "solution": "283154967791638425456792381375249816128563794964871253539426178612387549847915632", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5275, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5274, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-04-26", "puzzle": 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"7,r0c0r0c1|16,r0c6r0c7r1c6|21,r0c2r0c3r1c2r1c3|12,r0c4r1c4|9,r0c5r1c5|9,r0c8r1c8|22,r1c0r1c1r2c0r2c1|8,r1c7r2c7|34,r3c1r3c2r4c1r4c2r4c3r5c1r5c2|29,r2c2r2c3r2c4r3c3r3c4|7,r2c5r3c5|11,r2c6r3c6|18,r2c8r3c7r3c8|12,r3c0r4c0r5c0|8,r4c4r4c5|16,r4c6r4c7r4c8|31,r5c3r5c4r6c2r6c3r6c4|14,r5c5r6c5|8,r5c6r6c6|12,r5c7r5c8r6c8|17,r6c0r6c1r7c0r7c1|16,r6c7r7c7|17,r7c2r7c3r8c2r8c3|7,r7c4r8c4|9,r7c5r8c5|4,r7c8r8c8|14,r8c0r8c1|17,r7c6r8c6r8c7", "solution": "439258167856471932721693458263584719947126385185739624318945276674812593592367841", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5307, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5310, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-05-04", "puzzle": "15,r0c1r0c2r0c3|12,r0c4r0c5r1c4|8,r0c6r0c7|13,r0c0r1c0r2c0|17,r1c2r1c3|19,r1c5r1c6r2c6|20,r0c8r1c7r1c8|8,r1c1r2c1|7,r2c2r2c3|12,r2c4r2c5|14,r3c3r3c4|16,r3c5r3c6|6,r2c7r2c8r3c7|3,r3c0r4c0|12,r3c1r3c2r4c1|9,r4c5r4c6|20,r3c8r4c7r4c8|16,r4c2r5c2|5,r4c3r5c3|18,r4c4r5c4r6c4|7,r5c8r6c8|19,r5c0r5c1r6c0|15,r6c1r6c2r6c3|18,r5c5r5c6r6c5|7,r6c6r7c6|5,r5c7r6c7|5,r7c2r7c3|9,r7c7r7c8|16,r7c0r8c0|11,r7c1r8c1|10,r8c2r8c3|9,r7c4r7c5r8c4|7,r8c5r8c6|17,r8c7r8c8", "solution": "495173268318926457672584931143869725257341896869257314526798143981435672734612589", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5310, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5309, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-05-03", "puzzle": 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"14,r0c2r0c3|6,r0c4r0c5|15,r0c6r0c7|11,r0c0r1c0|5,r0c1r1c1|25,r1c3r1c4r2c3r3c3|11,r0c8r1c8|20,r1c2r2c2r3c2|27,r1c5r1c6r2c5r2c6r3c6|9,r1c7r2c7r3c7|9,r2c0r2c1r3c0|15,r2c4r3c4r3c5|20,r2c8r3c8r4c8|12,r4c4r4c5r4c6|24,r4c0r5c0r6c0r7c0|14,r3c1r4c1r5c1|10,r4c2r4c3r5c2|12,r5c3r5c4|7,r5c5r5c6|15,r4c7r5c7r5c8|5,r6c1r6c2|9,r6c3r6c4|28,r6c5r6c6r6c7r6c8r7c8|7,r7c2r7c3r8c2|13,r7c5r7c6|24,r7c1r8c0r8c1|17,r7c4r8c3r8c4|13,r8c5r8c6|8,r7c7r8c7r8c8", "solution": "319524876847936125265718934128695347456173289973842561632451798594287613781369452", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5311, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5312, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-05-04", "puzzle": "28,r0c0r0c1r1c1r2c1r2c2r3c1|4,r0c3r0c4|16,r0c6r0c7r1c7|15,r0c2r1c2|12,r1c3r1c4|18,r0c5r1c5r1c6|8,r0c8r1c8|9,r1c0r2c0|11,r2c3r2c4|4,r3c2r3c3|19,r2c5r2c6r3c5r3c6|18,r2c7r2c8r3c7|25,r3c0r4c0r4c1r4c2r4c3r5c0|31,r3c4r4c4r4c5r4c6r4c7r5c4|18,r3c8r4c8r5c8|13,r5c2r5c3|11,r5c5r5c6r6c5r6c6|17,r5c7r6c7r6c8|17,r6c0r7c0|9,r6c3r6c4|3,r7c2r8c2|7,r7c3r7c4|20,r7c5r7c6r8c5|9,r7c8r8c8|34,r5c1r6c1r6c2r7c1r8c0r8c1|15,r8c3r8c4|14,r7c7r8c6r8c7", "solution": "486315927239487651715926348573142869624798135198563274947631582861254793352879416", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5312, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5313, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2012-05-04", "puzzle": "22,r0c0r0c1r1c0|11,r0c2r0c3|15,r0c4r0c5|4,r0c6r0c7|5,r1c2r1c3|0,r1c5r1c6r1c7|8,r0c8r1c8|14,r1c1r2c0r2c1|0,r1c4r2c3r2c4r2c5|11,r3c0r3c1|0,r2c2r3c2r3c3r3c4r4c3|0,r2c6r3c5r3c6r4c6|0,r2c7r2c8r3c7r4c7|0,r4c1r4c2|5,r4c4r4c5|13,r3c8r4c8|12,r4c0r5c0|15,r5c1r5c2r5c3|0,r5c5r5c6r6c6|5,r6c0r6c1|11,r5c4r6c4|9,r5c7r6c7|17,r5c8r6c8r7c8r8c8|0,r7c1r7c2|28,r6c2r6c3r7c3r7c4r8c4r8c5|0,r6c5r7c5r7c6|8,r7c0r8c0|18,r8c1r8c2r8c3|18,r7c7r8c6r8c7", "solution": "584796132972314586613825947297583614836241759451967823329658471745139268168472395", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5313, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5315, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-05-05", "puzzle": "11,r0c2r0c3|9,r0c4r1c4|8,r0c5r0c6|9,r0c0r1c0|9,r0c1r1c1|16,r1c2r1c3|11,r1c5r1c6|12,r0c7r1c7|5,r0c8r1c8|3,r2c2r2c3|17,r2c4r3c4r4c4|16,r2c5r2c6|11,r2c0r3c0|7,r2c1r3c1|12,r3c2r3c3|7,r3c5r3c6|9,r2c7r3c7|14,r2c8r3c8|12,r4c1r4c2|10,r4c6r4c7|15,r4c0r5c0r5c1|15,r4c3r5c2r5c3|8,r5c4r6c4|8,r4c5r5c5r5c6|19,r4c8r5c7r5c8|16,r6c0r6c1r7c0|7,r6c2r6c3|12,r6c5r6c6|10,r6c7r6c8r7c8|9,r7c2r7c3|10,r7c5r7c6|18,r7c1r8c0r8c1|10,r8c2r8c3|11,r7c4r8c4|10,r8c5r8c6|19,r7c7r8c7r8c8", "solution": "578316294429785631361249758813972546957164823246853179692538417185497362734621985", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5315, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5316, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-05-05", "puzzle": "17,r0c0r0c1r0c2|9,r0c4r0c5|12,r0c6r0c7r0c8|26,r1c0r1c1r2c0r2c1r3c0|9,r0c3r1c3|22,r1c4r1c5r1c6r2c6|14,r1c7r1c8r2c7|18,r1c2r2c2r2c3r2c4|4,r3c3r3c4|7,r2c5r3c5|17,r3c6r3c7|20,r2c8r3c8r4c8|17,r3c1r3c2r4c1r4c2|22,r4c3r4c4r4c5|14,r4c6r4c7r5c6r5c7|10,r4c0r5c0r6c0|17,r5c1r5c2|15,r5c3r6c3|11,r5c4r5c5|22,r6c4r6c5r6c6r7c6|22,r6c1r7c0r7c1|11,r6c2r7c2r7c3r7c4|13,r7c5r8c5|18,r5c8r6c7r6c8r7c7r7c8|13,r8c0r8c1r8c2|5,r8c3r8c4|20,r8c6r8c7r8c8", "solution": "926781435457293861831465279675132984314859627289674153563948712792516348148327596", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5316, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5314, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2012-05-04", "puzzle": 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"6,r0c1r0c2|23,r0c3r0c4r0c5|0,r0c6r0c7|34,r0c0r1c0r1c1r2c0r2c1r2c2|9,r1c2r1c3|10,r1c5r1c6|29,r0c8r1c7r1c8r2c6r2c7r2c8|4,r1c4r2c4|0,r2c3r3c3|16,r3c4r4c4|0,r2c5r3c5|3,r3c0r4c0|0,r3c1r4c1|0,r3c2r4c2|0,r3c6r4c6|15,r3c7r4c7|5,r3c8r4c8|0,r5c1r5c2|21,r4c3r4c5r5c3r5c4r5c5|0,r5c6r5c7|27,r5c0r6c0r6c1r7c0r7c1|8,r6c2r6c3|12,r6c5r6c6|0,r5c8r6c7r6c8r7c7r7c8|33,r7c2r7c3r7c5r7c6r8c3r8c4r8c5|0,r6c4r7c4|14,r8c0r8c1r8c2|17,r8c6r8c7r8c8", "solution": "342986715715432896689715342168593274253674981974821563537168429826349157491257638", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5328, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5330, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-05-08", "puzzle": 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"9,r0c3r0c4|25,r0c5r0c6r1c5r2c5|11,r0c0r1c0|33,r0c1r0c2r1c1r2c1r2c2r2c3r3c1|8,r1c2r1c3|29,r0c7r0c8r1c7r1c8|8,r1c4r2c4|9,r1c6r2c6r2c7|20,r2c8r3c6r3c7r3c8|14,r2c0r3c0r4c0|11,r3c2r3c3|19,r3c4r3c5r4c4r4c5|4,r4c6r4c7|10,r4c8r5c8|9,r4c1r5c1|15,r4c2r5c2|12,r4c3r5c3r5c4|15,r5c7r6c7|5,r5c0r6c0|14,r6c1r6c2r7c2|12,r6c3r6c4|14,r5c5r6c5|4,r7c3r7c4|36,r5c6r6c6r6c8r7c5r7c6r7c7r7c8|27,r7c0r7c1r8c0r8c1|12,r8c2r8c3|11,r8c4r8c5r8c6|9,r8c7r8c8", "solution": "821453697367129458594867231735641829286795314419238576142576983958314762673982145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5336, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5337, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-05-09", "puzzle": 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"5,r0c2r0c3|15,r0c5r0c6|8,r0c0r1c0|0,r0c1r1c1|13,r1c2r1c3|8,r0c4r1c4r1c5|21,r0c7r0c8r1c7r1c8|6,r2c0r2c1|0,r2c2r2c3r2c4|29,r1c6r2c5r2c6r2c7r3c6|8,r2c8r3c8|10,r3c0r3c1|9,r3c4r3c5r4c5|0,r4c0r4c1r5c1|11,r3c7r4c7r4c8|0,r3c3r4c3r4c4r5c4r5c5|0,r4c6r5c6r6c6|13,r5c7r6c7|0,r5c8r6c8|0,r5c0r6c0|0,r6c1r6c2r7c2|32,r3c2r4c2r5c2r5c3r6c3r6c4r6c5|18,r7c0r7c1r8c0r8c1|20,r7c3r7c4r8c4|0,r7c5r8c5|0,r7c6r8c6|15,r7c7r7c8|5,r8c2r8c3|7,r8c7r8c8", "solution": "153246987798531624426789513641923875987654231532817496279365148815472369364198752", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5338, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5340, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-05-10", "puzzle": 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"5,r0c1r0c2|24,r0c4r0c5r1c4r1c5r1c6|31,r0c6r0c7r0c8r1c7r1c8|15,r0c0r1c0r2c0|11,r0c3r1c3|15,r1c1r2c1|11,r1c2r2c2r2c3|15,r2c4r2c5r3c4|11,r2c6r2c7|12,r3c5r3c6|17,r2c8r3c7r3c8|17,r3c0r3c1r4c0r4c1|9,r3c2r4c2|23,r3c3r4c3r4c4r4c5r5c5|6,r4c6r5c6|15,r4c7r4c8r5c7r5c8|19,r5c0r5c1r6c0|15,r5c2r5c3|6,r6c1r6c2|18,r5c4r6c3r6c4|20,r6c5r6c6r7c6|3,r6c7r7c7|15,r7c5r8c5|23,r6c8r7c8r8c8|24,r7c0r7c1r8c0r8c1r8c2|18,r7c2r7c3r7c4r8c3r8c4|7,r8c6r8c7", "solution": "814327695263895174597164832621453987458971263379682451942738516136549728785216349", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5341, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5343, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-05-10", "puzzle": 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"15,r0c0r0c1r1c1|9,r0c4r1c4|16,r0c7r0c8r1c7|22,r0c2r0c3r1c2r1c3|20,r0c5r0c6r1c5r1c6|4,r1c0r2c0|39,r2c2r2c3r2c4r2c5r2c6r3c2r3c6|11,r1c8r2c8|7,r2c1r3c1|6,r2c7r3c7|16,r3c0r4c0r5c0|14,r3c3r4c3|9,r3c4r4c4|10,r3c5r4c5|8,r3c8r4c8r5c8|19,r4c1r4c2r5c1|18,r4c6r4c7r5c7|20,r6c3r6c4r6c5|30,r5c2r5c3r5c4r5c5r5c6r6c2r6c6|18,r6c0r6c1r7c0|19,r6c7r6c8r7c8|19,r7c1r8c0r8c1|11,r7c2r7c3r8c2|18,r7c4r8c3r8c4r8c5|8,r7c5r7c6r8c6|19,r7c7r8c7r8c8", "solution": "287934516154268397369157824513879642498621735726345981841596273672483159935712468", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5342, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5345, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-05-11", "puzzle": 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"20,r0c1r0c2r0c3|7,r0c5r0c6|11,r0c0r1c0|3,r1c1r1c2|7,r0c4r1c4|16,r1c5r1c6|9,r0c7r1c7|9,r0c8r1c8|11,r2c0r2c1|19,r1c3r2c3r2c4|13,r2c5r3c5|11,r2c6r3c6|11,r3c0r3c1|9,r2c2r3c2|13,r2c7r3c7|3,r2c8r3c8|16,r4c0r4c1|8,r3c3r4c2r4c3|14,r3c4r4c4r5c4|16,r4c5r4c6r5c5|4,r4c7r4c8|3,r5c0r6c0|7,r5c1r6c1|9,r5c6r6c6|16,r5c7r5c8|14,r5c2r6c2|13,r5c3r6c3|14,r6c4r6c5r7c5|12,r6c7r6c8|14,r7c0r8c0|6,r7c1r8c1|6,r7c2r7c3|17,r7c4r8c4|14,r7c6r7c7|13,r7c8r8c8|11,r8c2r8c3|6,r8c5r8c6r8c7", "solution": "798315264421867935563924781386179452972548613145632879239756148614283597857491326", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5350, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5351, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-05-12", "puzzle": 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"11,r0c3r0c4|16,r0c5r0c6r1c6|16,r0c0r0c1r1c0|23,r0c2r1c1r1c2r2c2|0,r0c7r0c8r1c7|6,r2c1r3c1|17,r1c3r2c3|9,r1c4r1c5r2c4|15,r2c5r2c6|9,r1c8r2c8|11,r2c0r3c0|8,r3c2r3c3|0,r3c4r3c5r3c6|0,r2c7r3c7r4c7|17,r4c0r5c0|21,r4c2r4c3r4c4r4c5r4c6|14,r3c8r4c8|0,r4c1r5c1r6c1|9,r5c2r5c3r5c4|11,r5c5r5c6|12,r5c8r6c8|8,r6c0r7c0|0,r6c2r6c3|13,r6c4r7c3r7c4|0,r6c5r7c5|0,r5c7r6c7|0,r7c1r8c0r8c1|0,r6c6r7c6r7c7r8c6|18,r7c8r8c7r8c8|19,r7c2r8c2r8c3|0,r8c4r8c5", "solution": "389472651576913842421856937742698315813245769965137428637529184294381576158764293", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5354, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5356, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-05-13", "puzzle": "31,r0c0r0c1r0c2r0c3r0c4r0c5|7,r0c6r0c7r1c7|20,r1c1r1c2r2c1r2c2|17,r0c8r1c8|9,r1c3r2c3|19,r1c4r1c5r1c6r2c4r2c6|13,r2c7r2c8|14,r1c0r2c0r3c0|9,r3c2r3c3r3c4|16,r2c5r3c5|11,r4c0r5c0|11,r3c1r4c1|18,r4c2r5c1r5c2|17,r4c3r4c4r4c5|21,r3c6r3c7r4c6|7,r4c7r5c7|5,r3c8r4c8|7,r5c3r6c3|16,r5c4r5c5r5c6|16,r5c8r6c8r7c8|7,r6c0r6c1|22,r6c2r6c4r7c2r7c3r7c4|13,r6c5r7c5|12,r7c0r8c0|19,r6c6r6c7r7c6r7c7|13,r7c1r8c1r8c2|35,r8c3r8c4r8c5r8c6r8c7r8c8", "solution": "276853149945716328138249576461537892857692413392481765614328957789165234523974681", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5356, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5355, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-05-13", "puzzle": "14,r0c2r0c3r1c3|19,r0c6r0c7r1c6|13,r0c0r0c1r1c0|11,r1c1r1c2|17,r0c4r0c5r1c4|13,r0c8r1c7r1c8|13,r2c0r2c1r2c2|7,r2c6r2c7|9,r3c2r4c2r5c2|16,r2c3r3c3|5,r2c4r3c4|18,r1c5r2c5r3c5|9,r3c6r3c7|8,r2c8r3c8|12,r3c1r4c1r5c1|15,r4c3r4c4r4c5|16,r4c6r4c7r4c8|24,r3c0r4c0r5c0|7,r5c3r6c3|12,r5c4r6c4|15,r5c5r6c5r7c5|10,r5c6r5c7|12,r5c8r6c8|21,r6c0r6c1r6c2|3,r6c6r6c7|7,r7c0r8c0r8c1|12,r7c1r7c2|16,r7c4r8c4r8c5|20,r7c7r7c8r8c8|13,r7c3r8c2r8c3|18,r7c6r8c6r8c7", "solution": "568129473274563891319748256836917542941852637752436918687395124193284765425671389", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5355, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5357, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-05-13", "puzzle": "26,r0c0r0c1r1c1r1c2r2c1|7,r0c6r0c7r1c7|24,r0c2r0c3r0c4r0c5r1c3r1c4|22,r0c8r1c8r2c8|21,r1c0r2c0r3c0r4c0|10,r2c2r2c3|16,r1c5r2c5|33,r2c4r3c4r4c3r4c4r5c3r5c4|26,r1c6r2c6r2c7r3c7r3c8|23,r3c1r3c2r3c3r4c1r4c2r5c2|11,r3c5r3c6r4c5|10,r4c6r4c7|26,r4c8r5c6r5c7r5c8r6c6|15,r6c2r6c3|36,r5c5r6c4r6c5r7c4r7c5r8c4r8c5|7,r6c7r6c8|22,r5c0r5c1r6c0r6c1r7c0|16,r7c2r7c3r8c2r8c3|22,r7c1r8c0r8c1|32,r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "387165249549327816126489357931872564652914738874536192418793625293658471765241983", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5357, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5359, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-05-13", "puzzle": "14,r0c0r0c1|0,r0c2r0c3r1c2r1c3r2c2|30,r0c5r0c6r0c7r0c8r1c8r2c8|10,r1c0r1c1|14,r0c4r1c4r1c5|0,r2c0r2c1|0,r2c4r2c5|17,r1c6r1c7r2c6r2c7|18,r3c1r3c2r4c1|15,r2c3r3c3|12,r3c4r3c5r3c6|5,r3c7r3c8|0,r3c0r4c0|10,r4c4r4c5r4c6r5c6|22,r5c1r6c1r7c1r7c2|23,r4c2r5c2r6c2r6c3r7c3|12,r4c3r5c3|32,r4c7r5c7r6c7r7c7r7c8|15,r4c8r5c8r6c8|0,r5c0r6c0|0,r5c4r6c4|12,r5c5r6c5|0,r7c4r7c5|8,r6c6r7c6|0,r7c0r8c0|9,r8c1r8c2|17,r8c3r8c4r8c5|0,r8c6r8c7r8c8", "solution": "951872634823416957746935218598641723617523489234798165389264571465187392172359846", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5359, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5360, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-05-14", "puzzle": "15,r0c0r0c1r1c1|10,r0c2r0c3|14,r0c6r0c7|11,r0c4r1c4|14,r0c5r1c5r1c6|10,r0c8r1c8|7,r1c0r2c0|21,r1c2r2c1r2c2|3,r1c3r2c3|11,r2c5r2c6|11,r1c7r2c7r3c7|21,r3c2r3c3r4c2|8,r2c4r3c4|5,r3c5r3c6|13,r2c8r3c8|11,r3c0r4c0|10,r3c1r4c1|12,r4c3r4c4r4c5|16,r4c7r5c7|3,r4c8r5c8|12,r5c0r6c0|13,r5c2r5c3|17,r5c4r6c4|17,r4c6r5c5r5c6|7,r5c1r6c1r7c1|5,r6c2r6c3|10,r6c5r7c5|15,r6c6r6c7r7c6|15,r6c8r7c8|14,r7c0r8c0|14,r7c2r7c3r8c3|4,r7c4r8c4|14,r8c1r8c2|8,r8c5r8c6|14,r7c7r8c7r8c8", "solution": "162843957489275613357169248938721465276354891514986372721498536643512789895637124", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5360, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5361, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-05-14", "puzzle": "14,r0c1r0c2|12,r0c3r0c4r0c5|8,r0c7r0c8|13,r0c0r1c0r1c1r2c1|20,r0c6r1c4r1c5r1c6|15,r1c7r1c8|16,r1c2r2c2|15,r1c3r2c3r2c4|11,r2c5r2c6|14,r2c7r2c8r3c7r3c8|22,r2c0r3c0r4c0r4c1|17,r3c1r3c2r4c2|9,r3c5r3c6|14,r3c3r4c3|14,r3c4r4c4r5c4|14,r4c5r5c5|3,r5c2r5c3|16,r4c6r5c6r5c7|22,r4c7r4c8r5c8r6c8|23,r5c0r5c1r6c0r6c1|12,r6c2r6c3|15,r6c4r6c5r7c5|8,r6c6r7c6|10,r7c0r7c1|21,r7c2r7c3r7c4r8c2|15,r6c7r7c7r7c8r8c8|7,r8c0r8c1|9,r8c3r8c4r8c5|16,r8c6r8c7", "solution": "468192753157483269239657481796541832582936147341278695974815326823769514615324978", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5361, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5362, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-05-14", "puzzle": 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"8,r0c0r0c1r1c0|13,r0c2r0c3|13,r0c6r0c7|0,r0c4r1c4r2c4r3c4|16,r0c5r1c5|14,r1c6r1c7|3,r0c8r1c8|25,r1c1r1c2r1c3r2c1r3c1|7,r2c6r2c7|9,r2c0r3c0|16,r2c2r2c3r3c2r3c3|9,r2c5r3c5|0,r2c8r3c8|19,r4c0r4c1r4c2r4c3|12,r4c4r4c5r5c4|0,r3c6r3c7r4c6|0,r4c7r4c8r5c7r5c8r6c8|0,r5c0r5c1|0,r5c2r5c3|0,r6c0r7c0|0,r6c3r6c4r7c3|0,r5c5r5c6r6c5r6c6|3,r6c1r7c1|0,r6c2r7c2|30,r6c7r7c6r7c7r7c8r8c7r8c8|0,r8c0r8c1|16,r8c2r8c3|21,r7c4r7c5r8c4r8c5r8c6", "solution": "138549762462387951795216348251893476873164529946725183514638297629471835387952614", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5373, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5375, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-05-17", "puzzle": 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"15,r0c0r0c1|8,r0c2r0c3r0c4|9,r0c5r0c6|13,r0c7r0c8|9,r1c3r1c4|0,r1c7r1c8r2c8|6,r1c0r2c0|20,r1c1r1c2r2c1r2c2|13,r2c3r2c4|26,r1c5r1c6r2c5r3c5|0,r3c3r3c4|0,r2c6r2c7r3c6|18,r3c0r3c1r4c0|12,r4c1r5c0r5c1|0,r3c2r4c2|18,r4c3r4c4r4c5|0,r4c6r5c6|0,r3c7r3c8r4c7|0,r4c8r5c7r5c8|20,r5c2r6c1r6c2|0,r5c4r5c5|24,r5c3r6c3r7c2r7c3|7,r6c4r6c5|23,r6c6r6c7r7c6r7c7|8,r6c8r7c8|10,r6c0r7c0r7c1|0,r7c4r7c5|13,r8c0r8c1|9,r8c2r8c3|0,r8c4r8c5r8c6|9,r8c7r8c8", "solution": "694312758187459632532678149861243975475891326329765814756934281213586497948127563", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5379, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5380, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-05-18", "puzzle": "14,r0c3r0c4r1c4|9,r0c5r0c6|12,r0c7r0c8|12,r0c0r1c0|10,r0c1r0c2r1c1|11,r1c2r1c3|20,r1c5r1c6r1c7|7,r1c8r2c8|6,r2c1r2c2|13,r2c3r2c4|23,r2c0r3c0r3c1|21,r3c2r3c3r3c4|9,r2c5r3c5|8,r2c6r2c7r3c6|5,r3c7r3c8|9,r4c2r4c3r4c4|13,r4c6r4c7|3,r4c0r5c0|17,r4c1r5c1r5c2|17,r4c5r5c5r6c5|16,r5c6r5c7|7,r4c8r5c8|16,r5c3r6c2r6c3|13,r5c4r6c4|9,r6c6r6c7r6c8|18,r6c0r6c1r7c0|6,r7c3r7c4|17,r7c5r7c6|16,r7c8r8c8|12,r7c1r8c0r8c1|14,r7c2r8c2r8c3|10,r8c4r8c5|12,r7c7r8c6r8c7", "solution": "536912748718345692942768315687591423194237586253684971879156234361429857425873169", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5380, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5381, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-05-18", "puzzle": 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"9,r0c5r0c6|15,r0c7r0c8r1c7|0,r0c0r1c0|7,r0c1r1c1|0,r0c2r1c2|15,r0c3r0c4r1c3r1c4|12,r1c5r1c6|0,r2c0r2c1|0,r2c2r2c3r3c3|13,r1c8r2c8|0,r3c0r3c1r3c2|25,r2c4r3c4r4c4r4c5r5c4r6c4|15,r2c5r3c5|16,r2c6r3c6|6,r2c7r3c7|12,r3c8r4c8r5c8|12,r4c0r4c1|0,r4c2r4c3|0,r4c6r4c7|7,r5c0r5c1r5c2|0,r5c5r6c5|10,r5c6r6c6|0,r5c7r6c7|14,r6c0r6c1|12,r5c3r6c2r6c3|15,r6c8r7c8|12,r7c0r8c0|7,r7c1r8c1|0,r7c2r8c2|30,r7c3r7c4r8c3r8c4|0,r7c5r7c6|9,r8c5r8c6|12,r7c7r8c7r8c8", "solution": "718253694465179328293648715836417952579826143142395867684531279951782436327964581", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5383, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5382, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-05-18", "puzzle": "8,r0c1r0c2|19,r0c3r0c4r0c5r1c4|8,r0c7r0c8|18,r0c0r1c0r1c1r2c1|13,r1c2r1c3|21,r0c6r1c5r1c6r2c5|10,r1c7r1c8|14,r2c6r2c7|12,r2c0r3c0|30,r2c2r2c3r3c2r4c2|8,r2c4r3c4|13,r3c5r3c6|11,r2c8r3c8r4c8|13,r3c1r4c1r5c1|23,r3c3r4c3r4c4r4c5r5c5|9,r3c7r4c7r5c7|15,r4c0r5c0r6c0|5,r5c2r5c3|14,r5c4r6c4|21,r4c6r5c6r6c5r6c6|8,r5c8r6c8|11,r6c1r6c2|4,r7c0r7c1|22,r6c3r7c2r7c3r8c2|7,r7c5r7c6|28,r6c7r7c7r7c8r8c8|14,r8c0r8c1|15,r7c4r8c3r8c4r8c5|11,r8c6r8c7", "solution": "953246817218579364467831592829357641546912738371468925792684153134795286685123479", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5382, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5384, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2012-05-18", "puzzle": 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"15,r0c0r0c1r0c2|8,r0c3r0c4|13,r0c6r0c7|20,r1c1r1c2r1c3|18,r0c5r1c4r1c5|4,r0c8r1c8|16,r1c0r2c0r2c1|10,r2c3r2c4|16,r1c6r2c5r2c6|14,r1c7r2c7r2c8|3,r3c0r3c1|10,r2c2r3c2|15,r3c3r3c4|10,r3c5r3c6r4c6|9,r3c7r4c7|11,r4c0r5c0|11,r4c3r4c4r4c5|13,r3c8r4c8|11,r4c1r5c1|16,r4c2r5c2r5c3|11,r5c4r5c5|16,r5c6r6c6|9,r5c7r5c8|18,r6c0r6c1r7c1|6,r6c2r6c3r7c2|11,r6c4r6c5|14,r6c7r6c8r7c8|16,r7c0r8c0|14,r7c3r7c4r8c3|13,r7c5r7c6r7c7|6,r8c1r8c2|15,r8c4r8c5|13,r8c6r8c7r8c8", "solution": "276358491458791623391642857129873564587416239634529718843165972762934185915287346", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5385, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5387, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-05-19", "puzzle": 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"0,r0c0r0c1r0c2|8,r0c5r0c6|19,r0c7r0c8r1c8|0,r1c0r1c1|0,r0c3r1c3|6,r0c4r1c4|20,r1c6r1c7r2c6r2c7|17,r1c2r2c2r3c2|9,r2c3r2c4|10,r1c5r2c5|13,r2c8r3c8|10,r2c0r3c0|15,r2c1r3c1|0,r3c6r3c7|9,r4c0r4c1|0,r4c3r4c4r5c3r5c4|7,r4c6r5c6|0,r4c7r4c8|23,r4c2r5c2r6c2r6c3r6c4|0,r3c3r3c4r3c5r4c5r5c5|0,r5c7r5c8|16,r5c0r6c0|5,r5c1r6c1|0,r6c5r6c6r6c7|6,r7c2r7c3|11,r7c4r8c4|15,r7c5r7c6|3,r7c7r8c7|14,r6c8r7c8r8c8|0,r7c0r7c1r8c0r8c1|13,r8c2r8c3|10,r8c5r8c6", "solution": "436957182527418369891362475269145738185793246743826591912674853354289617678531924", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5388, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5392, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-05-20", "puzzle": "29,r0c1r0c2r0c3r1c2|9,r0c6r0c7r0c8|9,r0c0r1c0r1c1|30,r0c4r0c5r1c3r1c4r1c5r1c6|23,r1c7r1c8r2c7r2c8|12,r2c0r2c1r2c2|9,r3c0r4c0r5c0|33,r2c3r2c4r2c5r3c2r3c3r4c3|19,r3c4r3c5r4c4|11,r2c6r3c6|14,r3c7r3c8r4c8|11,r3c1r4c1|15,r4c5r4c6r5c4r5c5|13,r4c2r5c2|12,r4c7r5c7|20,r5c1r6c0r6c1|14,r5c3r6c3r6c4|13,r5c6r6c5r6c6|11,r5c8r6c8|14,r6c2r7c2r7c3|7,r7c4r7c5|21,r6c7r7c7r7c8r8c8|17,r7c0r7c1r8c0|8,r8c1r8c2|17,r8c3r8c4r8c5|14,r7c6r8c6r8c7", "solution": "398574162517326849462981573235497681184632795679815234946158327821743956753269418", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5392, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5391, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-05-20", "puzzle": 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"12,r0c1r0c2|15,r0c6r0c7r0c8|10,r0c0r1c0|11,r1c1r1c2|13,r0c3r0c4r1c3|15,r1c4r2c4r2c5|9,r0c5r1c5|7,r1c6r1c7|6,r2c0r2c1|16,r1c8r2c7r2c8|7,r2c2r3c2|10,r2c3r3c3|17,r3c4r3c5|17,r2c6r3c6r4c6|17,r3c0r4c0r5c0|16,r3c1r4c1r5c1|15,r4c3r4c4r4c5|17,r3c7r4c7r5c7|9,r3c8r4c8r5c8|20,r4c2r5c2r6c2|7,r5c3r5c4|12,r5c5r6c5|14,r5c6r6c6|17,r6c0r6c1r7c0|3,r6c7r6c8|10,r7c1r7c2|15,r7c3r8c3|11,r6c3r6c4r7c4|11,r7c5r8c4r8c5|7,r7c6r7c7|13,r7c8r8c8|9,r8c0r8c1r8c2|17,r8c6r8c7", "solution": "975423168138796254246851739651289473894537621327164985469378512782915346513642897", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5395, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5398, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2012-05-21", "puzzle": 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"13,r0c1r0c2|11,r0c4r0c5r1c5|9,r0c6r0c7r0c8|17,r0c0r1c0r1c1|14,r0c3r1c3|7,r1c6r1c7|10,r2c0r2c1|5,r1c2r2c2|16,r1c4r2c3r2c4|17,r2c5r2c6r2c7|16,r1c8r2c8|6,r3c0r3c1|4,r3c2r3c3|12,r3c6r4c6|13,r3c7r3c8|14,r4c0r4c1|13,r4c3r5c3|10,r3c5r4c5|6,r4c7r4c8|6,r5c0r5c1|16,r4c2r5c2|12,r3c4r4c4r5c4|17,r5c5r5c6|6,r5c7r5c8|4,r6c0r7c0|12,r6c1r6c2r6c3|17,r6c4r6c5r7c4|8,r6c6r7c6|17,r6c7r6c8|10,r7c1r7c2|12,r7c5r8c5|15,r7c7r7c8r8c8|22,r8c0r8c1r8c2|13,r7c3r8c3r8c4|5,r8c6r8c7", "solution": "658971423294583617731264589423158976869742351517639842145326798382497165976815234", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5400, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5402, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-05-22", "puzzle": 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"8,r0c0r0c1|10,r0c7r0c8r1c8|24,r0c2r1c1r1c2|35,r0c3r0c4r1c3r1c4r2c4r2c5|6,r0c5r1c5|9,r1c0r2c0|8,r2c1r2c2r2c3|35,r0c6r1c6r1c7r2c6r2c7r2c8|10,r3c1r3c2|25,r3c4r3c5r4c4r4c5|10,r3c7r3c8|19,r3c0r4c0r5c0r6c0|11,r4c1r4c2|7,r3c3r4c3|26,r3c6r4c6r4c7r4c8r5c7r5c8|24,r5c2r5c3r6c2r6c3|6,r5c4r5c5|3,r5c1r6c1|10,r6c4r7c4|8,r6c5r7c5|22,r5c6r6c6r7c6|12,r6c7r6c8r7c7|8,r7c2r7c3|17,r7c8r8c8|29,r7c0r7c1r8c0r8c1|20,r8c2r8c3r8c4r8c5|3,r8c6r8c7", "solution": "268971354479235861531468297682159473947683512315724986124896735793512648856347129", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5401, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5403, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2012-05-22", "puzzle": "11,r0c2r0c3|0,r0c5r0c6|13,r0c0r1c0|12,r0c1r1c1r2c1|17,r1c2r1c3|0,r0c4r1c4|0,r1c5r1c6|16,r0c7r1c7r2c7|0,r0c8r1c8|0,r2c3r2c4r2c5|11,r2c0r3c0r3c1|3,r2c2r3c2|12,r3c3r3c4r3c5|0,r2c6r3c6|0,r2c8r3c7r3c8|17,r4c1r4c2|0,r4c3r4c4r4c5|0,r4c6r4c7|12,r4c0r5c0|34,r5c2r5c3r5c4r5c5r5c6|0,r4c8r5c8|0,r5c1r6c1|0,r6c2r6c3|10,r6c5r6c6|0,r5c7r6c7|27,r6c0r7c0r7c1r8c0r8c1|4,r7c2r7c3|14,r6c4r7c4r8c4|0,r7c5r7c6|0,r6c8r7c7r7c8r8c7r8c8|0,r8c2r8c3|6,r8c5r8c6", "solution": "957486321418923756362571894621345978789612435534897612845239167273168549196754283", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5403, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5404, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-05-22", "puzzle": 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"13,r0c3r0c4r0c5|10,r0c6r0c7|10,r0c0r1c0r2c0|16,r0c1r1c1r2c1|15,r0c2r1c2|16,r1c3r1c4|13,r1c6r1c7|12,r0c8r1c8r2c8|15,r2c3r2c4r3c3|5,r1c5r2c5|15,r3c0r4c0r5c0|16,r2c2r3c1r3c2|14,r2c6r3c5r3c6|18,r2c7r3c7r3c8|3,r4c1r4c2|16,r4c5r5c5|18,r4c6r4c7r4c8|8,r4c3r5c3|11,r3c4r4c4r5c4|8,r5c6r5c7|17,r5c1r5c2r6c1|12,r6c2r6c3r6c4|15,r6c5r6c6r6c7|10,r5c8r6c8|23,r6c0r7c0r7c1|8,r7c2r7c3|6,r7c6r7c7|7,r8c0r8c1|9,r8c2r8c3|17,r7c4r7c5r8c4|19,r8c5r8c6r8c7|10,r7c8r8c8", "solution": "259841376136972584784653192593426718612387945478519263925164837861735429347298651", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5425, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5426, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-05-27", "puzzle": 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"14,r0c2r0c3|5,r0c6r0c7|18,r0c0r0c1r1c0r1c1|24,r0c4r0c5r1c3r1c4|11,r1c5r1c6|9,r0c8r1c8|16,r1c2r2c1r2c2|15,r2c4r2c5r2c6|10,r1c7r2c7|8,r2c0r3c0|14,r2c3r3c2r3c3|9,r3c6r3c7|11,r2c8r3c8|20,r3c1r4c0r4c1r5c0|13,r4c2r5c2r6c2|31,r3c4r3c5r4c3r4c4r5c3|11,r4c5r5c4r5c5|19,r4c6r4c7r5c6|13,r4c8r5c8r6c8|13,r5c1r6c1|16,r6c4r6c5r7c4|10,r6c0r7c0|6,r7c1r7c2|10,r6c3r7c3|20,r5c7r6c6r6c7r7c5r7c6|14,r8c0r8c1|7,r8c2r8c3|14,r8c4r8c5r8c6|24,r7c7r7c8r8c7r8c8", "solution": "479568231165732948238419567627395184814276395953841726786953412342187659591624873", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5427, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5428, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-05-27", "puzzle": "7,r0c0r0c1|0,r0c2r0c3|5,r0c4r0c5|19,r0c6r0c7r0c8r1c7r1c8|16,r1c1r1c2r1c3|15,r1c5r1c6r2c5|22,r1c0r2c0r2c1r3c0r3c1|9,r2c2r2c3|0,r1c4r2c4|17,r2c6r2c7r2c8|8,r3c5r3c6|5,r4c0r5c0|14,r4c1r5c1|0,r3c2r3c3r4c2|23,r3c4r4c3r4c4r4c5r5c4|22,r4c6r5c5r5c6|11,r3c7r4c7|10,r3c8r4c8|0,r5c2r5c3|0,r6c0r6c1r6c2|0,r6c4r7c4|0,r6c5r6c6|0,r5c7r5c8r6c7r6c8r7c8|15,r6c3r7c2r7c3|13,r7c5r7c6r7c7|25,r7c0r7c1r8c0r8c1r8c2|0,r8c3r8c4|0,r8c5r8c6|16,r8c7r8c8", "solution": "619832745873645912542791683238457196197368524456219837784926351921573468365184279", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5428, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5429, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-05-27", "puzzle": "12,r0c0r0c1r1c1|18,r0c4r0c5r0c6|9,r0c7r0c8r1c8|0,r0c2r1c2|13,r0c3r1c3|8,r1c6r1c7|18,r1c0r2c0r2c1r2c2|0,r1c4r1c5r2c4r2c5|13,r2c7r2c8|4,r3c2r4c2|0,r2c3r3c3|0,r3c4r3c5|0,r2c6r3c6r3c7|27,r3c0r3c1r4c0r4c1r5c0|14,r4c3r4c4r4c5|23,r3c8r4c7r4c8r5c7r5c8|20,r5c1r5c2r6c2|3,r5c3r5c4|0,r5c5r6c5|11,r4c6r5c6|10,r6c0r6c1|16,r6c3r6c4r7c3r7c4|0,r6c6r6c7r6c8r7c8|0,r7c1r7c2|13,r7c5r8c5|5,r7c6r8c6|17,r7c0r8c0r8c1|0,r8c2r8c3r8c4|16,r7c7r8c7r8c8", "solution": "517839642968542173342671985423987561781356429659214738196723854834165297275498316", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5429, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5430, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-05-28", "puzzle": "17,r0c2r0c3|7,r0c6r0c7|9,r0c0r1c0r2c0|8,r0c1r1c1|13,r1c2r1c3|15,r0c4r1c4|3,r0c5r1c5|14,r1c6r1c7r2c6|13,r0c8r1c8|11,r2c1r2c2|9,r2c4r2c5|13,r3c1r3c2r4c1|6,r2c3r3c3|13,r3c5r3c6|16,r2c7r3c7|5,r2c8r3c8|12,r3c0r4c0|4,r4c2r4c3|13,r3c4r4c4r5c4|13,r4c5r4c6|10,r4c8r5c8|12,r5c0r6c0|17,r5c1r6c1|15,r5c2r5c3|9,r5c5r6c5|15,r4c7r5c6r5c7|3,r6c3r6c4|13,r6c6r6c7|12,r7c0r8c0|13,r6c2r7c1r7c2|13,r7c3r8c3|13,r7c4r8c4|4,r7c5r7c6|5,r7c7r8c7|17,r6c8r7c8r8c8|3,r8c1r8c2|17,r8c5r8c6", "solution": "258971346639482517174536892865129473421357689397864251983215764546793128712648935", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5430, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5431, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-05-28", "puzzle": "22,r0c2r0c3r0c4|17,r0c6r0c7r0c8r1c8|9,r0c0r1c0|12,r0c1r1c1r1c2|11,r1c3r1c4r2c3|8,r0c5r1c5|17,r2c0r2c1r2c2r3c0|13,r2c4r2c5|26,r1c6r1c7r2c6r3c6|10,r2c7r2c8|13,r3c1r3c2r3c3r3c4|16,r4c0r4c1|8,r4c2r4c3|26,r3c5r4c4r4c5r4c6r5c5|15,r3c7r4c7r5c7|18,r3c8r4c8r5c8|22,r5c1r5c2r5c3r5c4|18,r5c0r6c0r6c1r6c2|6,r6c4r6c5|25,r5c6r6c6r7c6r7c7|8,r6c7r6c8|8,r7c0r8c0|19,r7c1r7c2r8c1|22,r6c3r7c3r7c4|8,r7c5r8c5|13,r8c2r8c3r8c4|15,r7c8r8c6r8c7r8c8", "solution": "829675431146283579735194682251436897973528146468719325617842953382951764594367218", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5431, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5432, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-05-28", "puzzle": 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"14,r0c3r0c4r0c5|3,r0c0r1c0|18,r0c1r0c2r1c1|19,r1c2r1c3r1c4|9,r0c6r1c6|13,r0c7r0c8r1c7|16,r2c0r2c1r2c2|15,r1c5r2c5|6,r1c8r2c8|11,r2c3r2c4r3c3|21,r2c6r2c7r3c6|16,r3c7r3c8|9,r3c0r4c0|16,r3c1r3c2r4c1|17,r4c3r5c3|8,r3c4r3c5r4c4|10,r4c5r4c6r5c6|5,r4c7r4c8|16,r4c2r5c1r5c2|10,r5c4r5c5|14,r5c7r5c8|16,r5c0r6c0r6c1|11,r6c4r6c5|9,r6c6r6c7|20,r7c0r7c1r8c0|15,r6c2r6c3r7c2|19,r7c5r7c6r7c7|13,r6c8r7c8r8c8|5,r8c1r8c2|7,r7c3r7c4r8c3|12,r8c4r8c5|12,r8c6r8c7", "solution": "293581647168479325547326981381652479679814532425937168932765814756148293814293756", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5440, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5441, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-05-30", "puzzle": "11,r0c4r0c5|3,r0c6r0c7|29,r0c0r0c1r0c2r1c0r1c1|11,r0c3r1c3|15,r1c4r1c5r2c5|16,r0c8r1c8r2c8|12,r1c2r2c1r2c2|17,r2c3r2c4r3c4|16,r1c6r2c6|10,r1c7r2c7|11,r2c0r3c0|9,r3c1r3c2r3c3|34,r4c0r4c1r4c2r5c0r5c1r5c2|21,r3c5r4c3r4c4r4c5r5c3|29,r3c6r3c7r3c8r4c6r4c7r4c8|17,r5c5r5c6r5c7|3,r5c8r6c8|15,r6c1r7c1|13,r6c2r7c2|15,r5c4r6c4r6c5|13,r6c6r6c7r7c6|11,r6c0r7c0r8c0|12,r6c3r7c3r7c4|17,r7c5r8c5|31,r7c7r7c8r8c6r8c7r8c8|6,r8c1r8c2|8,r8c3r8c4", "solution": "568947213193286745427351968731592684952864137846173592679435821284719356315628479", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5441, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5443, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2012-05-30", "puzzle": 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"18,r0c1r0c2r1c2|3,r0c4r0c5|10,r0c0r1c0|17,r0c3r1c3|11,r1c4r1c5|6,r0c6r1c6|7,r0c7r1c7|18,r0c8r1c8r2c8|7,r1c1r2c1|5,r2c2r2c3|18,r2c5r2c6r3c5|11,r2c0r3c0|24,r3c1r3c2r4c2|11,r2c4r3c4|11,r2c7r3c7r4c7|6,r4c0r4c1|13,r3c3r4c3|10,r4c5r5c5|7,r3c6r4c6|19,r3c8r4c8r5c8|10,r5c0r5c1|4,r4c4r5c4|16,r5c6r5c7|15,r6c0r6c1r7c0|15,r5c2r5c3r6c2|11,r6c3r6c4|12,r6c5r6c6|16,r7c1r8c0r8c1|7,r7c2r8c2|16,r7c5r7c6|11,r6c7r7c7|8,r6c8r7c8r8c8|9,r7c3r7c4r8c3|14,r8c4r8c5|9,r8c6r8c7", "solution": "386921547724865139951473682278649315519738426643512798167294853832157964495386271", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5445, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5442, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-05-30", "puzzle": 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"8,r0c0r0c1|14,r1c0r1c1r2c1|18,r0c2r0c3r1c2|13,r1c3r2c3|19,r0c4r0c5r0c6r1c4r1c6|20,r0c7r0c8r1c7r1c8|11,r2c0r3c0|16,r2c2r3c2r4c2|13,r2c4r3c3r3c4|34,r1c5r2c5r2c6r3c5r3c6r3c7|9,r3c1r4c1r5c1|16,r4c5r4c6r5c5|29,r2c7r2c8r3c8r4c7r4c8|11,r4c0r5c0|25,r4c3r4c4r5c3r5c4|3,r5c6r5c7|13,r6c0r6c1|12,r5c2r6c2r6c3|17,r6c4r6c5r6c6|14,r5c8r6c7r6c8|24,r7c0r7c1r8c0r8c1|5,r7c2r8c2|14,r7c3r7c4r7c5|14,r7c6r7c7r8c7|8,r7c8r8c8|8,r8c3r8c4|17,r8c5r8c6", "solution": "538461729196827345742593168425316987819742653367958214673284591981635472254179836", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5447, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5448, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2012-05-31", "puzzle": 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"14,r0c3r0c4r0c5|12,r0c7r0c8r1c8|11,r0c0r1c0|16,r0c1r1c1|11,r0c2r1c2r2c2|11,r1c3r1c4r1c5|19,r0c6r1c6r1c7|7,r2c0r2c1|20,r2c3r2c4r2c5|5,r2c6r3c6|14,r3c5r4c5|12,r2c7r2c8r3c8|18,r3c0r3c1r4c0|8,r4c1r5c1|20,r3c2r3c3r4c2|13,r3c4r4c4r5c4|12,r4c6r5c5r5c6|10,r3c7r4c7|23,r4c8r5c7r5c8|9,r5c0r6c0r6c1|6,r4c3r5c3|16,r5c2r6c2|7,r6c3r6c4r6c5|14,r6c7r6c8|11,r7c1r7c2r8c2|22,r7c3r7c4r7c5|17,r6c6r7c6r8c6|6,r7c7r8c7|8,r7c8r8c8|17,r7c0r8c0r8c1|16,r8c3r8c4r8c5", "solution": "875392614392461857614785392458976231923148576167523489539214768746859123281637945", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5470, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5471, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-06-05", "puzzle": 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"9,r0c1r0c2|8,r0c5r0c6|17,r0c7r0c8|16,r0c0r1c0|8,r1c1r1c2|0,r0c3r1c3r2c3r2c4|9,r0c4r1c4|6,r1c5r1c6|0,r1c7r1c8|0,r2c0r2c1|18,r2c5r2c6r3c5|9,r2c8r3c8|0,r3c0r3c1|17,r2c2r3c2|6,r2c7r3c7|12,r4c0r4c1r4c2|0,r3c3r4c3r5c3|0,r5c0r5c1|0,r5c2r6c2|14,r3c4r4c4r4c5r5c4|0,r3c6r4c6r4c7r4c8r5c6|9,r5c7r6c7|11,r6c0r6c1|20,r5c5r6c5r6c6|0,r5c8r6c8|7,r7c0r8c0|6,r7c1r7c2|22,r6c3r6c4r7c3r8c3|0,r7c4r8c4|9,r7c5r7c6|12,r7c7r7c8|16,r8c1r8c2|0,r8c5r8c6|9,r8c7r8c8", "solution": "754312698926485173318967542589146327471823965263759481835294716642571839197638254", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5474, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5475, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-06-06", "puzzle": "9,r0c0r0c1r0c2|16,r0c4r0c5r1c5|17,r0c6r0c7|12,r1c0r1c1|14,r1c2r2c2r2c3|5,r0c3r1c3|11,r0c8r1c7r1c8|11,r2c0r2c1|14,r1c4r2c4|13,r2c5r3c5r3c6|9,r1c6r2c6|18,r3c1r3c2r3c3|17,r2c7r2c8r3c7|15,r3c0r4c0|14,r4c1r4c2r5c2|9,r4c3r5c3|11,r3c4r4c4|7,r4c5r4c6|12,r3c8r4c8|6,r5c0r5c1|17,r5c4r5c5r6c4|9,r4c7r5c7r5c8|11,r6c1r6c2|14,r5c6r6c6r6c7|20,r6c0r7c0r8c0|7,r7c1r7c2r8c1|13,r6c3r7c3|8,r6c5r7c4r7c5|17,r6c8r7c8|16,r8c2r8c3|11,r8c4r8c5|14,r7c6r7c7r8c6|8,r8c7r8c8", "solution": "261357984395284761478169253746823195832591647159476832683742519924615378517938426", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5475, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5477, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-06-06", "puzzle": 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"20,r0c1r0c2r1c1|10,r0c3r0c4|7,r0c0r1c0|11,r1c2r1c3|8,r0c5r1c5|13,r0c6r1c6|11,r0c7r1c7|15,r0c8r1c8r2c8|13,r2c0r2c1|4,r2c2r2c3|17,r1c4r2c4r2c5|7,r2c6r2c7r3c7|16,r3c2r3c3r4c2|22,r3c4r3c5r3c6|14,r3c0r4c0r5c0|7,r3c1r4c1|16,r4c3r4c4r4c5|16,r4c7r5c7|16,r3c8r4c8r5c8|15,r5c2r5c3r5c4|8,r4c6r5c5r5c6|13,r5c1r6c1r6c2|16,r6c3r6c4r7c4|11,r6c5r6c6|9,r6c7r6c8|19,r6c0r7c0r8c0|7,r7c1r8c1|10,r7c2r8c2|8,r7c3r8c3|5,r7c5r7c6|10,r7c8r8c8|15,r8c4r8c5|16,r7c7r8c6r8c7", "solution": "694825731172943685583176249367498512215637498948251376836712954729584163451369827", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5490, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5492, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-06-09", "puzzle": 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"11,r0c3r0c4r1c4|18,r0c2r1c2r1c3|20,r0c5r0c6r1c5|21,r0c7r0c8r1c7r1c8|9,r1c0r2c0|21,r0c0r0c1r1c1r2c1r2c2|16,r2c3r2c4r2c5|11,r1c6r2c6r2c7|12,r3c2r3c3|15,r2c8r3c7r3c8|14,r4c2r4c3|25,r3c4r3c5r4c4r4c5|25,r3c0r3c1r4c0r4c1r5c0r5c1|23,r5c2r5c3r6c1r6c2r6c3r7c2|5,r5c4r6c4|7,r5c5r6c5|19,r3c6r4c6r5c6|12,r4c7r4c8r5c8|22,r5c7r6c7r6c8|32,r7c3r7c4r7c5r8c3r8c4r8c5|19,r6c6r7c6r7c7r7c8r8c8|37,r6c0r7c0r7c1r8c0r8c1r8c2|11,r8c6r8c7", "solution": "489167523256348197731952648627581934348679251195234876514823769863795412972416385", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5502, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5503, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-06-11", "puzzle": 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"0,r0c0r0c1r0c2r1c0r1c1|16,r0c3r0c4r1c4|12,r0c5r0c6|14,r1c5r1c6r2c6|16,r0c7r0c8r1c7|0,r1c2r2c1r2c2|9,r1c3r2c3|10,r2c4r2c5|35,r2c7r3c7r3c8r4c8r5c7r5c8r6c7|12,r1c8r2c8|0,r2c0r3c0|23,r3c1r3c2r3c3r3c4|0,r3c5r3c6|0,r4c0r4c1|17,r4c2r4c3|16,r4c4r4c5r4c6r4c7|0,r5c0r6c0|0,r5c1r5c2r5c3r5c4|12,r5c5r5c6|0,r6c1r6c2r7c2|0,r6c3r7c3|13,r6c4r6c5|0,r6c8r7c8|19,r6c6r7c5r7c6|13,r7c7r8c7r8c8|31,r7c0r7c1r8c0r8c1r8c2|22,r7c4r8c3r8c4|5,r8c5r8c6", "solution": "581749326239651487746328915954862173378915642612437598423176859865294731197583264", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5504, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5507, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-06-12", "puzzle": "18,r0c4r0c5r1c5|5,r0c0r1c0|26,r0c1r0c2r0c3r1c1|21,r1c3r1c4r2c3r2c4r3c3|11,r0c6r1c6|20,r0c7r0c8r1c7r1c8|5,r1c2r2c2|6,r2c5r2c6|19,r2c7r2c8r3c8r4c8|13,r2c0r3c0|10,r2c1r3c1|11,r3c5r4c5|12,r3c6r3c7r4c7|15,r3c2r4c2|19,r3c4r4c4r5c4|11,r4c6r5c6|12,r4c1r5c1r5c2|8,r4c3r5c3|13,r5c7r6c7|16,r5c8r6c8|19,r4c0r5c0r6c0r6c1|3,r6c2r6c3|8,r6c6r7c6|20,r7c0r7c1r8c0r8c1|15,r7c2r8c2|27,r5c5r6c4r6c5r7c4r7c5|14,r7c7r8c5r8c6r8c7|10,r7c8r8c8|18,r7c3r8c3r8c4", "solution": "485672391172539846693814275716485923839726514254193687361248759948357162527961438", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5507, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5506, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-06-12", "puzzle": "5,r0c3r0c4|11,r0c0r1c0r2c0|9,r0c1r1c1|28,r0c2r1c2r1c3r1c4|25,r1c6r1c7r2c6r2c7|8,r2c1r2c2|5,r2c3r2c4|17,r1c5r2c5|33,r0c5r0c6r0c7r0c8r1c8r2c8r3c8|34,r3c0r3c1r3c2r4c0r4c2r5c0|17,r3c4r3c5r4c4r4c5|6,r3c6r3c7|12,r3c3r4c3|11,r4c6r5c6|10,r4c7r5c7r6c7r6c8|15,r4c8r5c8|6,r4c1r5c1|7,r5c4r5c5|26,r5c2r5c3r6c2r6c3|13,r6c6r7c6|18,r6c1r7c1r7c2|13,r7c3r7c4|24,r6c4r6c5r7c5r8c3r8c4r8c5|9,r7c7r7c8|23,r6c0r7c0r8c0r8c1r8c2|20,r8c6r8c7r8c8", "solution": "568147329239658471417239685983724156621583947745961238394876512172495863856312794", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5506, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5508, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-06-12", "puzzle": 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"7,r0c4r0c5|10,r0c6r0c7r0c8|18,r0c0r1c0r2c0r3c0|24,r0c1r0c2r0c3r1c1|24,r1c3r1c4r2c3|23,r1c5r1c6r1c7r1c8|14,r1c2r2c2r3c2|5,r2c4r2c5|11,r2c1r3c1|16,r2c6r2c7r3c6|14,r2c8r3c7r3c8|14,r4c0r4c1r4c2|45,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4r5c5|15,r4c6r4c7r4c8|20,r5c0r5c1r6c0|14,r5c2r6c1r6c2|16,r5c7r6c7|9,r6c3r6c4|10,r5c6r6c6r7c6|18,r7c0r7c1r7c2r7c3|10,r6c5r7c4r7c5|21,r7c7r8c5r8c6r8c7|24,r5c8r6c8r7c8r8c8|9,r8c0r8c1r8c2|14,r8c3r8c4", "solution": "789461325132975684465823719657194832248736951391258476876542193924317568513689247", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5512, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5509, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-06-12", "puzzle": "0,r0c2r0c3r0c4r0c5r0c6|20,r0c0r1c0r2c0r3c0|0,r0c1r1c1|7,r1c2r1c3|0,r1c5r1c6|0,r0c7r1c7|21,r0c8r1c8r2c8r3c8|13,r2c2r2c3|11,r1c4r2c4|0,r2c5r2c6|0,r2c1r3c1|7,r3c2r3c3|17,r3c5r3c6|0,r2c7r3c7|0,r4c0r4c1|17,r4c2r4c3r5c2|10,r3c4r4c4|18,r4c5r4c6r5c6|13,r4c7r4c8|14,r5c3r5c4r5c5|0,r5c0r6c0r7c0r8c0|15,r5c1r6c1|26,r6c2r6c3r6c4r6c5r6c6|10,r5c7r6c7|19,r5c8r6c8r7c8r8c8|0,r7c2r7c3r7c4r7c5r7c6|8,r7c1r8c1r8c2|15,r8c3r8c4r8c5|14,r7c7r8c6r8c7", "solution": "862513479791624853435897162154368927627149385389752614278436591546971238913285746", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5509, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5510, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-06-13", "puzzle": "16,r0c0r0c1r0c2|17,r0c6r0c7r0c8|16,r1c0r1c1r1c2|15,r0c3r1c3r2c3|3,r0c4r1c4|24,r0c5r1c5r2c5|14,r1c6r1c7r1c8|12,r2c0r2c1|6,r2c7r2c8|8,r2c2r3c1r3c2|7,r2c4r3c4|15,r2c6r3c6r3c7|16,r3c0r4c0|14,r4c1r5c1|17,r3c3r4c3|4,r3c5r4c5|12,r4c7r5c7|9,r3c8r4c8|7,r4c2r5c2|13,r4c4r5c4|9,r4c6r5c6|9,r5c0r6c0r7c0|14,r6c1r6c2|3,r5c3r6c3|11,r5c5r6c5|11,r6c6r6c7|12,r5c8r6c8r7c8|14,r7c1r7c2r7c3|22,r6c4r7c4r8c4|19,r7c5r7c6r7c7|4,r8c0r8c1|15,r8c2r8c3|6,r8c5r8c6|11,r8c7r8c8", "solution": "826417359439528176571639824952843617784961532163275498295186743647352981318794265", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5510, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5513, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2012-06-13", "puzzle": "13,r0c1r0c2|0,r0c3r0c4|20,r0c0r1c0r1c1r1c2|0,r1c3r1c4|0,r0c5r1c5|38,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|4,r2c1r2c2|9,r2c3r2c4|12,r2c5r2c6r3c6|22,r2c0r3c0r4c0r5c0|24,r3c2r3c3r4c2|18,r3c4r3c5r4c5|5,r3c7r3c8|0,r3c1r4c1|11,r4c3r4c4r5c4|0,r4c6r5c6|0,r4c7r5c7|11,r4c8r5c8|21,r5c2r5c3r6c2r6c3|0,r5c5r6c4r6c5|14,r5c1r6c1|0,r6c6r7c6|8,r6c8r7c8|29,r6c0r7c0r7c1r8c0r8c1r8c2|5,r7c2r7c3|0,r7c4r7c5|0,r8c3r8c4r8c5r8c6|24,r6c7r7c7r8c7r8c8", "solution": "976183452245967183831542769627895314319624875584731926468279531192358647753416298", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5513, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5511, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-06-13", "puzzle": "30,r0c3r0c4r1c3r1c4r2c3|7,r0c5r0c6|16,r0c7r0c8|17,r0c0r0c1r1c0r1c1|28,r0c2r1c2r2c0r2c1r2c2|3,r1c7r1c8|13,r1c5r1c6r2c5|18,r2c6r2c7r3c7|26,r2c4r3c3r3c4r4c2r4c3r4c4|17,r3c5r3c6|18,r2c8r3c8r4c8|25,r3c0r3c1r3c2r4c0r4c1|13,r5c1r5c2r6c1|11,r5c3r6c3|20,r4c5r5c4r5c5|8,r4c6r4c7r5c6|11,r5c7r5c8|10,r5c0r6c0|11,r6c4r6c5r7c4|22,r6c6r6c7r6c8r7c6r8c6|17,r6c2r7c2r7c3|23,r7c7r7c8r8c7r8c8|10,r7c0r8c0|8,r7c1r8c1|16,r8c2r8c3r8c4|7,r7c5r8c5", "solution": "261583479548679321793421865325168947879354216614297538482916753137845692956732184", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5511, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5514, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-06-13", "puzzle": "15,r0c0r0c1r0c2r1c2|30,r1c0r1c1r2c1r2c2r3c1|28,r0c3r0c4r0c5r1c3|4,r1c4r1c5|13,r0c6r0c7r1c6|19,r0c8r1c8r2c8|12,r1c7r2c7|11,r2c0r3c0|0,r3c2r4c2|0,r2c3r3c3|19,r2c4r2c5r3c4|10,r2c6r3c6|8,r4c0r5c0|0,r4c1r5c1|27,r3c5r4c3r4c4r4c5r5c3|5,r3c7r4c7|10,r3c8r4c8|0,r5c2r6c2|12,r5c4r6c3r6c4|0,r5c5r6c5|8,r4c6r5c6|11,r5c8r6c8|0,r6c1r7c1|0,r6c0r7c0r8c0|0,r7c2r8c1r8c2|5,r7c3r7c4|28,r7c5r8c3r8c4r8c5|28,r5c7r6c6r6c7r7c7r7c8|0,r7c6r8c6r8c7r8c8", "solution": "125497368967813452483256179746582913518639247392741685839174526671325894254968731", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5514, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5516, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-06-14", "puzzle": "11,r0c0r0c1|12,r0c7r0c8|7,r1c0r1c1r2c0|11,r0c2r1c2|7,r0c3r1c3|22,r0c4r1c4r2c4r3c4|12,r0c5r1c5|11,r0c6r1c6|13,r1c7r1c8r2c8|16,r2c1r2c2|9,r2c6r2c7|6,r3c0r3c1|9,r2c3r3c3|11,r2c5r3c5|11,r3c7r3c8|12,r3c2r4c2r5c2|10,r4c3r4c4r4c5|19,r3c6r4c6r5c6|12,r4c0r5c0|15,r4c1r5c1|19,r5c3r5c4r5c5|4,r4c7r5c7|11,r4c8r5c8|14,r6c3r6c4r6c5|21,r6c0r7c0r8c0|6,r6c1r7c1|22,r6c2r7c2r7c3|12,r6c6r7c5r7c6|13,r6c7r7c7|18,r6c8r7c8r8c8|4,r8c1r8c2|19,r7c4r8c3r8c4r8c5|6,r8c6r8c7", "solution": "563179248218643975497285361154736892982451637376928514745392186629814753831567429", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5516, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5515, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-06-14", "puzzle": 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"8,r0c0r0c1|17,r0c2r0c3|0,r0c4r0c5r0c6|0,r1c0r1c1|0,r1c2r1c3|9,r1c4r1c5r1c6|0,r0c7r1c7|9,r0c8r1c8|8,r2c1r2c2|0,r2c4r2c5|0,r2c6r2c7|0,r2c0r3c0|0,r2c3r3c3r4c3|20,r3c5r3c6r3c7|0,r2c8r3c8r4c8|13,r3c1r4c1|4,r3c2r4c2|16,r3c4r4c4r5c4|8,r4c6r5c6|11,r4c7r5c7|0,r4c0r5c0r6c0|9,r5c1r5c2r5c3|19,r4c5r5c5r6c5|7,r5c8r6c8|0,r6c1r6c2|7,r6c3r6c4|5,r6c6r6c7|6,r7c0r8c0|7,r7c1r8c1|0,r7c2r7c3r7c4|0,r7c5r7c6|15,r7c7r7c8|18,r8c2r8c3r8c4|0,r8c5r8c6|5,r8c7r8c8", "solution": "179854362834962157526731894683219745751486239942375681397528416215643978468197523", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5518, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5520, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-06-15", "puzzle": 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"12,r0c0r0c1r1c0|35,r0c2r0c3r0c4r1c2r1c3r2c2r2c3|16,r0c5r0c6r0c7|22,r1c5r1c6r1c7r2c6r2c7|4,r0c8r1c8|33,r1c1r2c0r2c1r3c1r3c2|20,r2c5r3c5r4c5r4c6|4,r3c6r3c7|35,r2c8r3c8r4c8r5c8r6c7r6c8|21,r3c0r4c0r4c1r5c0r5c1|26,r1c4r2c4r3c3r3c4r4c3r4c4|15,r4c2r5c2|16,r5c4r5c5|16,r4c7r5c6r5c7|32,r6c0r6c1r7c1r7c2r7c3r8c3|21,r5c3r6c2r6c3|29,r6c5r6c6r7c5r7c6r7c7r7c8|9,r6c4r7c4r8c4|7,r7c0r8c0|7,r8c1r8c2|25,r8c5r8c6r8c7r8c8", "solution": "614782593582693471973514628745268319829351764136479285258947136497136852361825947", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5522, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5524, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-06-15", "puzzle": 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"3,r0c0r0c1|0,r0c6r0c7r1c6|28,r1c0r1c1r2c1r2c2|0,r0c2r1c2|20,r0c3r0c4r1c3r1c4|9,r0c5r1c5|0,r0c8r1c7r1c8|22,r2c4r2c5r2c6r2c7|12,r2c0r3c0|13,r3c1r3c2|8,r2c3r3c3|7,r2c8r3c8|0,r4c0r4c1|15,r4c2r4c3|0,r3c4r3c5r4c4r4c5r5c4r5c5|24,r3c6r3c7r4c6r5c6r5c7|8,r4c7r4c8|0,r5c0r6c0|6,r5c1r5c2|8,r5c3r6c3|16,r5c8r6c8|0,r6c4r6c5r6c6r6c7|27,r6c1r6c2r7c0r7c1|7,r7c2r8c2|0,r7c3r7c4r8c3r8c4|0,r7c5r8c5|17,r7c7r7c8r8c8|5,r8c0r8c1|0,r7c6r8c6r8c7", "solution": "213497685587162394469385721894573216726941853351628947678254139935816472142739568", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5523, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5525, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-06-16", "puzzle": "17,r0c0r0c1|9,r0c2r0c3|14,r0c6r0c7r0c8|9,r1c0r1c1|10,r0c4r1c4|11,r0c5r1c5|19,r1c6r2c5r2c6|4,r1c7r1c8|4,r2c0r2c1|9,r1c2r2c2|19,r1c3r2c3r2c4|7,r3c2r3c3|13,r3c4r3c5r3c6|19,r2c7r2c8r3c7|11,r3c0r4c0r5c0|14,r3c1r4c1r4c2|9,r4c5r4c6r5c6|7,r3c8r4c8|15,r5c1r5c2|20,r4c3r4c4r5c3|10,r5c4r6c4|17,r4c7r5c7r5c8|14,r6c2r6c3r7c3|8,r5c5r6c5|10,r6c6r6c7|13,r6c0r7c0|7,r6c1r7c1|13,r7c4r7c5|15,r7c6r7c7r8c7|19,r6c8r7c8r8c8|13,r8c0r8c1|4,r7c2r8c2|13,r8c3r8c4|9,r8c5r8c6", "solution": "986314275542697813317852964875236491234971586169485327758123649621549738493768152", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5525, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5526, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-06-16", "puzzle": "24,r0c0r0c1r0c2r1c1|12,r0c5r0c6|18,r0c7r0c8r1c7r1c8|8,r0c3r1c3|19,r0c4r1c4r2c4|23,r1c0r2c0r3c0r4c0|11,r1c2r2c1r2c2|20,r1c5r1c6r2c6r2c7r3c7|11,r2c8r3c8|16,r3c1r3c2|6,r2c3r3c3|29,r2c5r3c4r3c5r3c6r4c4r4c5|9,r4c1r4c2|10,r4c6r4c7r4c8|3,r5c1r5c2|20,r4c3r5c3r5c4|12,r5c5r5c6|15,r5c7r5c8|11,r5c0r6c0|21,r6c1r6c2r7c1r7c2|11,r6c3r7c3|3,r6c4r7c4|13,r6c5r7c5|18,r6c6r6c7r7c6|15,r6c8r7c7r7c8r8c8|13,r7c0r8c0r8c1|7,r8c2r8c3|27,r8c4r8c5r8c6r8c7", "solution": "678243915935671248142589637597162384863954172421837596719425863356718429284396751", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5526, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5527, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-06-16", "puzzle": "13,r0c1r0c2r0c3|9,r0c0r1c0|24,r1c1r1c2r1c3r2c3|13,r0c4r1c4r2c4|13,r0c5r1c5|14,r1c6r1c7r2c7|25,r0c6r0c7r0c8r1c8r2c8|9,r2c5r2c6r3c6|21,r2c0r2c1r3c0r4c0|7,r3c1r4c1|19,r2c2r3c2r4c2|33,r3c3r3c4r3c5r4c4r4c5r5c5|17,r3c7r3c8|9,r4c6r4c7r4c8|7,r5c1r5c2|12,r4c3r5c3r5c4|10,r5c0r6c0|17,r6c3r7c3|18,r6c4r6c5r6c6|18,r5c6r5c7r6c7r7c7|12,r5c8r6c8r7c8|35,r6c1r6c2r7c0r7c1r7c2r8c0r8c1|6,r7c4r7c5|11,r8c2r8c3|23,r7c6r8c4r8c5r8c6|10,r8c7r8c8", "solution": "671529384392684751584731629136457298749268135825193467257946813463815972918372546", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5527, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5529, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-06-16", "puzzle": "0,r0c6r0c7|21,r0c0r0c1r0c2r1c0r2c0|20,r1c1r1c2r2c1|0,r0c3r1c3|20,r0c4r0c5r1c4r1c5r2c4|21,r1c6r1c7r2c7r2c8|0,r0c8r1c8|0,r2c2r2c3r3c2|0,r2c5r2c6|5,r3c0r3c1|9,r3c5r3c6|13,r3c8r4c8|29,r4c0r4c1r4c2r5c0r5c1|0,r3c3r3c4r4c3|0,r3c7r4c7r5c7|12,r5c3r6c3|25,r4c4r4c5r4c6r5c4r6c4|0,r5c5r5c6r6c5r6c6|16,r6c0r7c0|15,r6c1r7c1r7c2r8c2|8,r5c2r6c2|21,r5c8r6c7r6c8|16,r7c3r7c4r7c5|0,r8c0r8c1|4,r8c3r8c4|22,r7c6r8c5r8c6|16,r7c7r7c8r8c7r8c8", "solution": "129784536387615492654329871236978145491253768875461329913846257748592613562137984", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5529, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5531, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-06-17", "puzzle": 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"0,r0c2r0c3r0c4r0c5r1c2|0,r0c6r0c7r1c6r1c7r2c6r2c7|15,r0c0r1c0|8,r0c1r1c1|14,r1c3r1c4r1c5|0,r0c8r1c8|0,r2c0r2c1|21,r2c2r2c3r2c4r2c5|9,r3c0r3c1|14,r3c4r3c5r4c4|0,r2c8r3c8|6,r3c2r4c2|0,r3c3r4c3|17,r3c6r4c5r4c6r5c6|0,r3c7r4c7|0,r4c0r5c0|23,r4c1r5c1r5c2|21,r5c3r5c4r5c5|14,r4c8r5c8r6c8|13,r6c0r6c1r7c0|24,r6c2r6c3r6c4r7c2r7c3|0,r6c5r6c6|9,r5c7r6c7|0,r7c7r7c8r8c7r8c8|16,r7c1r8c0r8c1|8,r8c2r8c3|25,r7c4r7c5r8c4r8c5|3,r7c6r8c6", "solution": "637219458958473621142865973721348596395621847486957312269134785514786239873592164", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5528, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5530, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-06-17", "puzzle": "19,r0c0r0c1r1c0|14,r0c3r0c4|9,r0c5r0c6|9,r0c7r0c8|16,r0c2r1c1r1c2|8,r2c0r2c1|14,r1c3r2c2r2c3|6,r1c4r1c5r2c4|11,r1c6r2c5r2c6|20,r1c7r1c8r2c7|16,r3c1r3c2r3c3|18,r3c6r4c6r4c7|16,r2c8r3c7r3c8|15,r3c0r4c0r4c1|18,r3c4r3c5r4c4|7,r4c5r5c5|6,r5c0r5c1|17,r4c2r5c2r6c2|19,r4c3r5c3r5c4|9,r5c6r5c7|11,r4c8r5c8|9,r6c0r6c1r7c0|17,r6c3r6c4r7c4|17,r6c5r7c5|18,r6c6r6c7r7c6|4,r6c8r7c8|19,r7c1r8c0r8c1|12,r7c2r7c3r8c2|7,r8c3r8c4|8,r8c5r8c6|16,r7c7r8c7r8c8", "solution": "841597236769423185532816479987164352153782694426935817218679543675348921394251768", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5530, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5532, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-06-17", "puzzle": "10,r0c0r0c1|3,r0c2r0c3|14,r0c5r0c6|9,r0c7r0c8|13,r1c0r1c1r2c1|23,r1c2r1c3r2c3r3c3|13,r0c4r1c4|12,r1c5r1c6r2c5r3c5|19,r1c7r1c8r2c7|9,r2c0r3c0|11,r2c2r3c2|13,r2c6r3c6|5,r2c8r3c8|24,r3c1r4c0r4c1r5c0|13,r4c2r4c3r5c3|20,r2c4r3c4r4c4|13,r4c5r4c6r5c5|20,r3c7r4c7r4c8r5c8|11,r5c1r5c2|9,r5c6r5c7|9,r6c1r6c2|7,r5c4r6c4|9,r6c6r6c7|15,r6c0r7c0r8c0|29,r6c3r6c5r7c3r7c4r7c5r8c4|17,r6c8r7c8r8c8|14,r7c1r7c2r8c1|13,r8c2r8c3|12,r8c5r8c6|16,r7c6r7c7r8c7", "solution": "732198645189546273645273891396781524821954736574362189963817452218435967457629318", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5532, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5533, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-06-17", "puzzle": "11,r0c3r0c4|0,r0c5r0c6|33,r0c0r0c1r0c2r1c0r1c1r2c0|8,r1c2r1c3|11,r0c7r0c8r1c7|0,r2c2r2c3r3c2|7,r1c4r2c4|0,r1c5r2c5|13,r1c6r2c6|13,r1c8r2c8|17,r2c1r3c1|42,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4|21,r2c7r3c7r3c8r4c8|0,r3c0r4c0|0,r4c1r4c2|11,r3c6r4c6|0,r5c1r5c2|0,r5c5r5c6r6c5|5,r4c7r5c7|0,r5c0r6c0|8,r6c1r6c2|9,r6c3r6c4|14,r7c0r7c1r8c0|0,r7c2r7c3r8c3r8c4|0,r7c4r7c5|19,r6c6r6c7r7c6|10,r8c1r8c2|38,r5c8r6c8r7c7r7c8r8c5r8c6r8c7r8c8", "solution": "865479321432651789791328654586142937319587246247963518953816472174295863628734195", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5533, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5535, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-06-18", "puzzle": "14,r0c1r0c2|6,r0c3r0c4r0c5|14,r0c7r0c8|10,r0c0r1c0|7,r1c1r1c2|17,r1c3r1c4r1c5|11,r0c6r1c6|11,r1c7r1c8|10,r2c1r3c1|15,r2c3r2c4|11,r2c5r2c6r2c7|13,r2c0r3c0|15,r2c2r3c2|9,r3c5r3c6r3c7|8,r2c8r3c8|7,r4c0r4c1r4c2|13,r3c3r4c3|20,r3c4r4c4r5c4|4,r4c5r5c5|18,r4c6r4c7r4c8|6,r5c0r6c0|11,r5c1r5c2r5c3|11,r5c6r6c6|10,r5c8r6c8|24,r6c1r6c2r6c3|8,r6c4r6c5|12,r5c7r6c7|11,r7c0r7c1|5,r7c2r8c2|7,r7c3r7c4r7c5|15,r7c6r7c7|10,r7c8r8c8|12,r8c0r8c1|22,r8c3r8c4r8c5|8,r8c6r8c7", "solution": "795312468361548792428697315987456123214983657536271984179835246653124879842769531", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5535, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5534, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-06-17", "puzzle": "28,r0c0r0c1r1c0r1c1r2c0|0,r0c7r0c8|10,r0c2r1c2r2c2|0,r0c3r1c3|15,r0c4r0c5r1c4|8,r0c6r1c6|0,r1c7r1c8|0,r2c3r2c4|0,r1c5r2c5r2c6|0,r3c0r4c0r4c1r5c0|15,r2c1r3c1|0,r3c3r3c4|0,r2c7r3c7|17,r2c8r3c8|0,r3c2r4c2r5c2|8,r4c3r4c4|0,r3c5r4c5r5c5|0,r3c6r4c6r5c6|3,r4c7r4c8|0,r5c1r6c1|6,r5c3r5c4|13,r5c7r6c7|0,r5c8r6c8|9,r6c3r6c4|17,r6c5r6c6r7c5|17,r6c2r7c2r8c2|10,r7c3r8c3|18,r7c4r8c4r8c5|0,r7c6r8c6|7,r7c7r7c8|0,r6c0r7c0r7c1r8c0r8c1|9,r8c7r8c8", "solution": "695784123824931756371526498283167549746359812159248367462813975918675234537492681", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5534, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5538, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-06-18", "puzzle": "12,r0c1r0c2r0c3|19,r0c4r0c5r1c4r1c5|0,r0c0r1c0|0,r1c1r1c2|0,r0c6r1c6r2c6|11,r0c7r1c7|0,r0c8r1c8|8,r2c0r2c1|16,r2c2r3c2|8,r1c3r2c3|0,r2c4r2c5|34,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|11,r3c5r3c6|7,r2c7r2c8r3c7|9,r4c5r4c6|24,r3c8r4c7r4c8r5c8|27,r3c3r3c4r4c3r4c4r5c3r5c4|0,r5c5r5c6|20,r5c7r6c7r6c8|0,r6c0r6c1|7,r5c2r6c2|5,r6c3r7c3|13,r6c4r6c5|0,r7c0r8c0|11,r7c1r7c2|10,r6c6r7c6r8c6|0,r7c7r8c7|0,r7c8r8c8|19,r8c1r8c2r8c3|18,r7c4r7c5r8c4r8c5", "solution": "671423859428795361539168742367842915915637284284519637153276498892354176746981523", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5538, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5537, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-06-18", "puzzle": "18,r0c2r0c3r0c4r0c5|14,r0c0r0c1r1c0|25,r1c1r1c2r1c3r2c1r3c1|8,r1c4r1c5|26,r0c6r1c6r2c6r2c7r2c8r3c7|15,r0c7r1c7|6,r0c8r1c8|21,r2c2r2c3r3c2|11,r2c4r2c5|6,r3c5r3c6|23,r3c3r3c4r4c3r4c4|12,r4c5r4c6|14,r3c8r4c7r4c8|21,r2c0r3c0r4c0r5c0|9,r4c1r5c1|8,r4c2r5c2|16,r5c5r5c6r6c5|17,r5c7r5c8|27,r6c0r6c1r6c2r7c2r7c3r8c2|8,r5c3r6c3|8,r5c4r6c4|20,r6c6r6c7r7c6r7c7|17,r7c0r7c1|5,r8c0r8c1|20,r7c4r8c3r8c4|5,r7c5r8c5|25,r6c8r7c8r8c6r8c7r8c8", "solution": "479135682315826974628947135894361527237598461561274398752619843983452716146783259", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5537, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5536, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-06-18", "puzzle": "45,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1r2c2|13,r0c3r0c4r1c3|15,r0c6r0c7r0c8|17,r0c5r1c5r1c6|4,r1c7r1c8|22,r1c4r2c3r2c4|8,r2c5r2c6|13,r3c3r3c4r4c3r4c4|16,r3c5r3c6r4c6|9,r2c7r3c7|13,r2c8r3c8|9,r3c0r3c1r4c0|20,r3c2r4c1r4c2|17,r4c7r4c8|20,r5c0r5c1r6c1|18,r4c5r5c4r5c5|9,r5c6r5c7|9,r5c2r6c2|21,r5c3r6c3r6c4|15,r6c6r6c7r7c6|5,r5c8r6c8|12,r6c0r7c0r8c0|7,r7c2r7c3|8,r6c5r7c5|13,r7c1r8c1|8,r8c2r8c3|5,r7c4r8c4|15,r8c5r8c6|19,r7c7r7c8r8c7r8c8", "solution": "479361528862457913513892647128739456657124389934586271285973164791645832346218795", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5536, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5539, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-06-18", "puzzle": 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"10,r0c0r0c1|10,r0c2r0c3r0c4|15,r0c6r0c7r1c6|16,r1c0r1c1r2c0|24,r0c5r1c4r1c5|15,r0c8r1c8r2c8|12,r1c2r1c3r2c2|10,r2c3r2c4r2c5|14,r2c6r3c6r4c6|8,r1c7r2c7|16,r2c1r3c0r3c1|8,r3c2r3c3|10,r3c4r3c5|11,r3c8r4c8|17,r4c2r4c3|13,r3c7r4c7|16,r4c0r5c0|8,r4c1r5c1|12,r5c2r5c3|6,r4c4r5c4|5,r4c5r5c5|8,r5c7r5c8|9,r6c0r6c1|19,r6c4r6c5r7c4|17,r5c6r6c6r6c7|17,r6c2r6c3r7c2|9,r7c3r8c3r8c4|12,r7c0r7c1r8c0|10,r8c1r8c2|17,r7c5r7c6r8c5|13,r7c7r8c6r8c7|18,r6c8r7c8r8c8", "solution": "193527864576498132482631759351746298768912543924853671815374926649285317237169485", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5540, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5541, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-06-19", "puzzle": "7,r0c6r0c7|19,r0c0r0c1r1c0r2c0|9,r0c2r1c2|21,r0c3r0c4r0c5r1c3|27,r1c4r1c5r1c6r1c7|26,r0c8r1c8r2c8r3c8r4c8|12,r1c1r2c1|9,r2c2r2c3|15,r2c4r2c5r2c6r3c6|33,r3c0r3c1r4c1r5c1r5c2r6c1|8,r3c4r3c5|12,r2c7r3c7r4c7|4,r3c2r4c2|15,r3c3r4c3|13,r4c4r4c5|10,r4c0r5c0|6,r5c3r5c4|16,r4c6r5c6r5c7|15,r5c5r6c5r6c6|8,r5c8r6c8|16,r6c0r7c0r8c0|27,r6c2r7c1r7c2r8c1r8c2|10,r6c3r7c3|15,r6c4r7c4|9,r8c3r8c4|6,r7c5r8c5|37,r6c7r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "397258164142637895685491273951726348273849516864513927426985731539174682718362459", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5541, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5542, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-06-19", "puzzle": 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"15,r0c1r0c2|14,r0c3r0c4r0c5|30,r0c6r0c7r0c8r1c8r2c8|26,r0c0r1c0r2c0r3c0|0,r1c4r1c5r1c6r1c7r2c6r2c7r3c7r4c7|0,r1c1r1c2r1c3r2c1r2c2|0,r2c3r2c4r2c5|19,r3c4r3c5r4c4r4c5|0,r3c1r3c2r4c0r4c1|7,r3c8r4c8r5c8|14,r5c0r5c1|5,r4c2r5c2|26,r3c3r4c3r5c3r5c4r5c5|0,r3c6r4c6r5c6|35,r6c0r6c1r6c2r7c2r8c2|11,r6c3r6c4|10,r6c8r7c8|0,r7c0r7c1r8c0r8c1|0,r7c3r8c3|18,r6c5r7c4r7c5r8c4|30,r5c7r6c6r6c7r7c6r7c7|14,r8c5r8c6r8c7r8c8", "solution": "387194256941652378625837419864513792173269584592478631756921843218345967439786125", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5544, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5543, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-06-19", "puzzle": 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"17,r0c0r0c1r1c0|7,r0c2r0c3|13,r1c1r1c2r2c1|0,r0c4r0c5r0c6r1c3r1c4r1c5|8,r0c7r1c7|0,r0c8r1c8r2c8|0,r2c4r2c5|0,r1c6r2c6|11,r2c0r3c0|0,r2c2r2c3r3c2|21,r3c3r3c4r4c3|7,r3c5r3c6|0,r2c7r3c7|32,r3c1r4c0r4c1r5c0r5c1r6c0|13,r4c6r4c7|11,r3c8r4c8|15,r4c2r5c2|14,r5c3r6c3|0,r4c4r4c5r5c4|0,r5c5r5c6r6c5r6c6|12,r5c7r5c8|9,r6c1r6c2|7,r6c7r6c8|0,r7c0r7c1|4,r7c2r7c3|0,r6c4r7c4|27,r7c7r7c8r8c7r8c8|16,r8c0r8c1r8c2|5,r8c3r8c4|0,r7c5r8c5|9,r7c6r8c6", "solution": "724381965891756423635492781582674319349815672176923548918567234263149857457238196", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5548, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5549, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-06-20", "puzzle": 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"6,r0c0r0c1|7,r0c7r0c8|14,r0c2r1c2|11,r0c3r1c3|9,r0c4r1c4|6,r0c5r1c5|14,r0c6r1c6|12,r1c0r2c0|12,r1c1r2c1|10,r2c2r2c3|12,r2c5r2c6|11,r1c7r2c7|5,r1c8r2c8|11,r3c0r3c1r3c2|11,r2c4r3c4|14,r3c6r3c7r3c8|13,r4c0r4c1|14,r3c3r4c3r5c3|19,r3c5r4c5r5c5|10,r4c7r4c8|13,r4c2r5c2|7,r4c4r5c4|8,r4c6r5c6|16,r5c0r6c0r7c0|7,r5c1r6c1|20,r6c3r6c4r6c5|10,r5c7r6c7|15,r5c8r6c8r7c8|14,r6c2r7c1r7c2|13,r6c6r7c6r7c7|16,r8c0r8c1r8c2|7,r7c3r8c3|9,r7c4r8c4|9,r7c5r8c5|20,r8c6r8c7r8c8", "solution": "248375916976821543351964872632758194589142637714639285865497321127583469493216758", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5550, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5551, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-06-21", "puzzle": "6,r0c0r0c1|4,r0c2r0c3|22,r0c4r0c5r1c5|23,r0c6r0c7r1c6r1c7|8,r1c1r1c2|10,r0c8r1c8|21,r1c0r2c0r2c1|13,r1c3r2c3|6,r1c4r2c4|16,r2c5r2c6r3c5r3c6|17,r2c2r3c1r3c2|15,r3c3r3c4|9,r2c7r3c7|14,r3c0r4c0r5c0|17,r4c1r4c2r4c3|8,r4c4r4c5|9,r4c6r4c7|26,r2c8r3c8r4c8r5c8r6c8|17,r5c1r5c2r6c2|5,r5c3r5c4|9,r5c7r6c7|14,r6c0r6c1r7c0|3,r6c3r7c3|15,r6c4r7c4|22,r5c5r5c6r6c5r6c6|12,r7c1r7c2|9,r7c8r8c8|13,r8c0r8c1|8,r8c2r8c3|12,r7c5r8c4r8c5|22,r7c6r7c7r8c6r8c7", "solution": "421397856735826914869541372317968425246753189958412637174289563693175248582634791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5551, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5552, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-06-21", "puzzle": "21,r0c0r0c1r1c0|23,r0c2r0c3r1c3|7,r0c7r0c8|7,r1c1r1c2|15,r0c4r0c5r0c6r1c4|14,r1c5r1c6r2c5r3c5|8,r1c7r1c8|7,r2c1r2c2r2c3|18,r2c0r3c0r3c1|31,r2c4r3c4r4c4r4c5r5c4r6c4|10,r2c7r3c7|17,r2c8r3c8|8,r4c0r4c1|17,r3c2r4c2r5c2|15,r3c3r4c3r5c3|17,r5c0r5c1r6c0|34,r2c6r3c6r4c6r4c7r4c8r5c6r6c6|10,r5c7r6c7|9,r5c8r6c8|12,r6c1r6c2r6c3|12,r7c1r7c2|23,r7c4r8c4r8c5r8c6|25,r5c5r6c5r7c5r7c6|10,r7c7r7c8|11,r7c0r8c0r8c1|12,r7c3r8c2r8c3|12,r8c7r8c8", "solution": "976825143543971862821463579467512938352798416198346725715639284684257391239184657", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5552, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5554, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-06-21", "puzzle": "17,r0c0r0c1r1c0r2c0|21,r0c2r0c3r0c4r0c5r0c6|14,r0c7r0c8r1c8r2c8|17,r1c3r1c4r1c5|9,r1c1r2c1|15,r1c2r2c2|13,r1c6r2c6|11,r1c7r2c7|0,r3c1r3c2|11,r2c3r3c3|15,r2c4r3c4|0,r2c5r3c5|8,r3c6r3c7|0,r3c0r4c0|31,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|0,r3c8r4c8|0,r5c0r5c1r6c1|3,r5c2r5c3|0,r5c5r5c6|20,r5c7r5c8r6c7|11,r6c2r6c3|15,r5c4r6c4r7c4r8c4|0,r6c5r6c6|0,r7c1r7c2r7c3|19,r7c5r7c6r7c7|16,r6c0r7c0r8c0|0,r8c1r8c2r8c3|11,r8c5r8c6r8c7|18,r6c8r7c8r8c8", "solution": "594361782237854961168279453713985624659742138842136579925613847481527396376498215", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5554, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5555, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-06-22", "puzzle": "21,r0c0r0c1r0c2|5,r0c4r0c5|7,r0c6r0c7|12,r1c0r2c0|4,r1c1r1c2|17,r0c3r1c3|15,r1c4r1c5r1c6|13,r0c8r1c7r1c8|9,r2c2r2c3|6,r2c4r2c5|15,r2c7r2c8r3c7|13,r2c1r3c0r3c1|24,r2c6r3c5r3c6|8,r4c0r5c0|17,r3c2r4c1r4c2|6,r3c3r4c3|15,r3c4r4c4r5c4|15,r4c5r5c5|11,r4c6r4c7r5c6|16,r3c8r4c8|11,r5c2r5c3r6c2|9,r5c7r5c8r6c7|23,r5c1r6c0r6c1|13,r6c3r6c4|9,r6c5r6c6|9,r7c0r7c1r8c0|14,r7c2r7c3r7c4|13,r7c5r8c5|11,r7c6r7c7|9,r6c8r7c8|16,r8c1r8c2|4,r8c3r8c4|15,r8c6r8c7r8c8", "solution": "957823164813964572462751983526137849138549627794286315685492731341675298279318456", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5555, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5556, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-06-22", "puzzle": 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"6,r0c2r0c3|0,r0c6r1c6|42,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|0,r0c4r1c4|12,r0c5r1c5|18,r0c7r0c8r1c7r1c8|18,r1c3r2c3r2c4|7,r2c0r3c0|20,r3c1r3c2r4c2|8,r2c5r3c5|30,r2c6r2c7r3c6r4c6r4c7r4c8|15,r2c8r3c7r3c8|4,r4c0r4c1|23,r3c3r3c4r4c3r4c4|0,r5c0r5c1|15,r5c2r5c3|14,r4c5r5c4r5c5|0,r6c0r6c1|0,r6c2r6c3r6c4r7c2r7c4r8c4|0,r5c6r6c5r6c6|7,r5c7r5c8r6c8|23,r7c0r7c1r8c0r8c1|0,r6c7r7c6r7c7|10,r7c3r8c2r8c3|12,r7c5r8c5r8c6|0,r7c8r8c7r8c8", "solution": "931524876746918523285367491597241368314896257628735914179453682462189735853672149", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5564, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5565, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-06-24", "puzzle": "10,r0c1r0c2r1c1|15,r0c3r0c4|9,r0c6r0c7r0c8|13,r0c0r1c0|9,r1c3r1c4|15,r0c5r1c5r2c5|22,r1c7r1c8r2c7|15,r1c2r2c2|6,r2c3r2c4|7,r1c6r2c6|6,r2c0r3c0|13,r2c1r3c1|5,r3c3r3c4|15,r3c5r3c6|15,r2c8r3c8|19,r4c0r4c1r5c1|4,r3c2r4c2|18,r4c3r4c4r4c5|6,r4c6r5c6|17,r3c7r4c7r4c8|14,r5c0r6c0|5,r5c2r5c3|15,r5c4r5c5|8,r5c7r6c7|4,r5c8r6c8|8,r6c2r7c2|8,r6c4r6c5|9,r6c6r7c6|8,r6c1r7c0r7c1|23,r6c3r7c3r8c3|11,r7c4r7c5|13,r7c8r8c8|21,r8c0r8c1r8c2|3,r8c4r8c5|16,r7c7r8c6r8c7", "solution": "435789612927361485168425397571236948283594176694178523842953761316847259759612834", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5565, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5566, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-06-24", "puzzle": 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"15,r0c0r0c1|11,r0c2r0c3|7,r0c4r0c5r1c5|13,r0c6r0c7r0c8|23,r1c3r1c4r2c3|9,r1c6r1c7|19,r1c0r1c1r2c0r3c0|22,r1c2r2c1r2c2r3c1r3c2|12,r2c4r2c5|10,r2c6r2c7|13,r1c8r2c8|29,r3c3r3c4r3c5r4c3r4c4|6,r3c6r3c7|22,r4c1r4c2r5c2r5c3r5c4|20,r4c5r4c6r4c7r5c7|13,r3c8r4c8|4,r4c0r5c0|15,r5c5r5c6|15,r5c1r6c1r6c2|11,r6c3r6c4r7c3|13,r6c5r6c6|12,r5c8r6c7r6c8|15,r6c0r7c0r8c0|19,r7c1r7c2r8c1|12,r7c4r7c5r7c6|15,r7c7r7c8|10,r8c2r8c3r8c4|20,r8c5r8c6r8c7r8c8", "solution": "968324715725891634413657829694283157182975346357416982246738591539162478871549263", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5567, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5568, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2012-06-24", "puzzle": "0,r0c2r0c3r0c4|14,r0c0r1c0|9,r0c1r1c1|0,r1c2r1c3r2c2|5,r0c5r1c5|7,r0c6r1c6|19,r0c7r0c8r1c7r1c8|10,r2c0r2c1|0,r1c4r2c3r2c4r3c3|0,r2c5r2c6r3c5r3c6|10,r2c7r2c8|8,r3c0r3c1r3c2|16,r3c7r3c8|13,r4c0r4c1r5c1|18,r3c4r4c4r4c5|21,r4c6r4c7r5c5r5c6|0,r4c2r5c2|9,r4c3r5c3r5c4|0,r5c7r6c6r6c7|0,r4c8r5c8r6c8|10,r5c0r6c0|10,r6c3r6c4|20,r6c1r6c2r7c1r7c2|14,r7c3r7c4r8c4|0,r6c5r7c5r8c5|0,r7c6r8c6|0,r7c7r7c8|18,r7c0r8c0r8c1|9,r8c2r8c3|15,r8c7r8c8", "solution": "528964317973281465641573928152348679437695182869127543294736851716859234385412796", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5568, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5569, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-06-24", "puzzle": 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"28,r0c0r0c1r0c2r0c3r1c0|10,r0c4r0c5|0,r1c1r1c2r2c1|12,r1c3r1c4|26,r0c6r0c7r0c8r1c6r1c7r1c8|0,r1c5r2c5|9,r2c0r3c0|10,r2c2r3c2|14,r2c3r2c4r3c3|0,r2c6r3c6|0,r2c7r2c8r3c7|3,r3c8r4c8|21,r3c1r4c1r4c2|10,r4c3r5c3|11,r3c5r4c5|0,r4c6r4c7r5c7|3,r4c0r5c0|10,r5c1r6c0r6c1|9,r5c2r6c2|18,r3c4r4c4r5c4|0,r5c5r6c4r6c5|15,r5c6r6c6|9,r5c8r6c8|16,r6c3r7c3|0,r7c0r7c1r7c2r8c0r8c1r8c2|0,r7c4r7c5|0,r6c7r7c6r7c7|5,r8c3r8c4|0,r7c8r8c5r8c6r8c7r8c8", "solution": "826519437793482615451673298589167342267834951134295876615948723342756189978321564", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5598, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5601, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-07-01", "puzzle": "16,r0c0r1c0|14,r0c1r0c2r1c1r1c2|8,r1c3r1c4|18,r0c3r0c4r0c5r1c5|24,r2c0r2c1r2c2r3c0r3c1|45,r0c6r0c7r0c8r1c6r1c7r1c8r2c6r2c7r2c8|24,r2c3r3c2r3c3|6,r2c4r3c4|16,r2c5r3c5r3c6|20,r3c7r3c8r4c8r5c8|8,r4c0r4c1r5c1|35,r4c2r4c3r4c4r5c4r6c4|11,r4c5r4c6|7,r4c7r5c7|14,r5c5r5c6r6c5|5,r5c0r6c0|19,r5c2r5c3r6c2r6c3|20,r6c1r7c1r7c2|16,r7c3r7c4r8c4|20,r6c6r7c5r7c6r8c5r8c6|24,r6c7r6c8r7c7r7c8|15,r7c0r8c0r8c1|12,r8c2r8c3|8,r8c7r8c8", "solution": "736218549941537682852946371368721954529684713417359268195473826283165497674892135", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5601, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5599, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-06-30", "puzzle": 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"15,r0c0r0c1r0c2r0c3|22,r0c5r0c6r0c7r0c8|21,r1c0r1c1r2c0|9,r0c4r1c4|9,r1c7r1c8r2c8|14,r1c2r2c2r3c2|8,r1c3r2c3|16,r1c5r2c5|16,r1c6r2c6r3c6|18,r2c1r3c0r3c1|12,r2c4r3c4r4c4|10,r2c7r3c7r3c8|12,r4c0r4c1r5c1|25,r3c3r4c2r4c3r5c2|18,r3c5r4c5r4c6r5c6|23,r4c7r4c8r5c7|26,r5c3r5c4r5c5r6c3r6c4r6c5|13,r5c0r6c0r6c1|15,r5c8r6c7r6c8|13,r7c0r7c1r8c0|16,r6c2r7c2|13,r6c6r7c6|9,r7c7r7c8r8c8|7,r8c1r8c2|30,r7c3r7c4r7c5r8c3r8c4r8c5|15,r8c6r8c7", "solution": "264385179578219634931647852785936241126754398493128567819573426347862915652491783", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5602, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5603, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-01", "puzzle": "6,r0c0r0c1|16,r0c2r0c3r0c4|15,r0c5r0c6|0,r1c1r1c2r1c3r2c1r2c2|0,r1c4r1c5|20,r0c7r1c6r1c7r2c6|9,r0c8r1c8|9,r1c0r2c0|17,r2c3r2c4r3c3|8,r2c7r2c8|10,r3c0r3c1|21,r3c2r4c2r5c2|8,r2c5r3c5r3c6|0,r4c0r4c1|24,r3c4r4c3r4c4r4c5r5c4|0,r3c7r4c6r4c7r5c7|21,r3c8r4c8r5c8|0,r5c0r5c1|0,r5c5r5c6r6c5|8,r6c0r7c0|0,r5c3r6c3r6c4|11,r6c7r6c8|19,r6c1r6c2r7c1r7c2r7c3|17,r7c4r7c5|22,r6c6r7c6r7c7r8c7|7,r7c8r8c8|0,r8c0r8c1|0,r8c2r8c3r8c4|7,r8c5r8c6", "solution": "154397862263158497798624135827961354439275618615843729542716983371589246986432571", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5603, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5605, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-07-02", "puzzle": "10,r0c4r0c5|6,r0c6r0c7r0c8|6,r0c0r1c0|24,r0c1r0c2r1c1|17,r0c3r1c3|5,r1c4r1c5|7,r2c0r2c1|13,r1c2r2c2r2c3|17,r2c4r2c5r2c6|15,r1c6r1c7r2c7|15,r1c8r2c8|8,r3c0r3c1|8,r3c2r4c2|14,r3c5r3c6|6,r3c7r3c8|6,r4c0r4c1|4,r3c3r4c3|18,r3c4r4c4r5c4|13,r4c5r5c5|16,r4c7r4c8|14,r5c0r5c1|11,r5c2r5c3|11,r4c6r5c6|6,r5c7r5c8|17,r6c0r7c0|10,r6c1r7c1r7c2|19,r6c2r6c3r6c4|7,r6c5r6c6r7c6|11,r6c7r6c8|10,r7c3r7c4|14,r7c5r8c5|24,r7c7r8c6r8c7|5,r7c8r8c8|11,r8c0r8c1r8c2|7,r8c3r8c4", "solution": "578964231196823547342571968715398624423156879689247315937482156861735492254619783", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5605, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5608, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-07-02", "puzzle": 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"17,r0c2r0c3r1c2r1c3|11,r0c4r0c5r0c6|12,r0c0r1c0|20,r0c1r1c1r2c1r2c2r2c3|12,r0c7r1c7r2c7|23,r0c8r1c8r2c8|23,r1c4r1c5r1c6r2c4|31,r2c0r3c0r3c1r4c0r4c1|10,r3c2r3c3|17,r2c5r2c6r3c5r3c6|32,r4c2r4c3r5c1r5c2r5c3|20,r3c4r4c4r4c5r5c5|31,r3c7r3c8r4c7r4c8r5c7r6c7|25,r4c6r5c6r6c5r6c6|4,r6c2r6c3|6,r5c4r6c4|18,r5c8r6c8r7c7r7c8r8c8|17,r5c0r6c0r6c1r7c0r7c1|26,r7c2r7c3r7c4r8c2r8c3|24,r7c5r7c6r8c6r8c7|17,r8c0r8c1|9,r8c4r8c5", "solution": "826437159415296738739518246593781624642953871178624395261345987357869412984172563", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5607, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5606, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-07-02", "puzzle": "16,r0c0r0c1r1c1|13,r0c2r0c3r0c4|11,r0c6r0c7r0c8|14,r0c5r1c5r1c6|7,r1c0r2c0|28,r1c2r1c3r2c1r2c2r3c2|10,r2c3r3c3r4c3|39,r1c4r2c4r3c4r4c4r5c4r6c4r7c4|12,r1c7r2c7|16,r1c8r2c8|17,r3c0r3c1|9,r2c5r3c5|5,r2c6r3c6|15,r3c7r3c8r4c8|7,r4c1r4c2|8,r4c6r4c7|11,r4c0r5c0r5c1|11,r5c2r6c2|7,r5c3r6c3|15,r5c7r5c8|11,r6c0r7c0|7,r6c1r7c1|17,r4c5r5c5r6c5|33,r5c6r6c6r6c7r7c5r7c6|5,r6c8r7c8|19,r7c2r7c3r8c3|21,r8c0r8c1r8c2|11,r8c4r8c5r8c6|10,r7c7r8c7r8c8", "solution": "491758263236491587578632149983167425625349718147285396864523971312976854759814632", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5606, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5609, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-02", "puzzle": "17,r0c2r0c3|7,r0c5r0c6|0,r0c7r0c8r1c8|25,r0c0r0c1r1c0r1c1r2c0|27,r0c4r1c3r1c4r1c5r2c3|16,r1c6r1c7r2c7|18,r1c2r2c1r2c2r3c2|0,r2c8r3c8|0,r2c4r3c3r3c4|0,r2c5r2c6r3c5r3c6|3,r3c0r4c0|9,r3c1r4c1|0,r4c5r4c6r5c5|28,r3c7r4c7r4c8r5c6r5c7|0,r5c0r5c1|31,r4c2r4c3r4c4r5c3r5c4r6c4|12,r5c8r6c8|12,r6c0r6c1|6,r5c2r6c2r6c3|14,r6c5r6c6r6c7r7c6|0,r7c2r8c2|0,r7c3r8c3|6,r7c4r7c5|21,r7c0r7c1r8c0r8c1|15,r8c4r8c5|29,r7c7r7c8r8c6r8c7r8c8", "solution": "618953472724618539935724681146875293257439816893261754572196348389542167461387925", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5609, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5610, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-07-03", "puzzle": 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"20,r0c2r0c3r0c4|10,r0c6r0c7r0c8|11,r0c0r1c0|14,r0c1r1c1r2c1|8,r1c2r2c2|17,r0c5r1c4r1c5|22,r1c7r1c8r2c8|8,r1c3r2c3|4,r2c4r2c5|11,r1c6r2c6|15,r2c0r3c0|15,r3c1r3c2r4c1|15,r3c4r3c5|15,r2c7r3c7r4c7|14,r3c3r4c2r4c3|7,r3c6r4c5r4c6|6,r4c0r5c0r6c0|19,r5c1r5c2r6c1|3,r4c4r5c4|8,r5c6r5c7|21,r3c8r4c8r5c8|15,r5c3r6c2r6c3|21,r5c5r6c4r6c5|15,r6c6r6c7|10,r7c0r7c1r7c2|18,r7c3r7c4r7c5|15,r7c6r7c7|3,r6c8r7c8|24,r8c0r8c1r8c2|7,r8c3r8c4|5,r8c5r8c6|9,r8c7r8c8", "solution": "524978613631245789897631425752396148386514297149827536263459871415783962978162354", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5615, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5616, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-07-04", "puzzle": "13,r0c0r0c1r1c1|5,r0c6r0c7|9,r0c2r1c2|16,r0c3r1c3r2c3|16,r0c4r1c4r2c4r2c5|13,r0c5r1c5|8,r1c6r1c7|13,r0c8r1c8|10,r1c0r2c0|13,r2c1r2c2|10,r2c7r2c8|22,r3c0r3c1r3c2r3c3r4c2|16,r2c6r3c6|17,r3c7r3c8r4c7r4c8|17,r4c0r4c1r5c0r5c1|16,r5c2r6c2|39,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|26,r4c6r5c5r5c6r5c7r5c8|9,r6c0r6c1|11,r6c6r6c7|8,r6c8r7c8|15,r7c0r8c0|8,r7c1r7c2|14,r7c3r8c3|20,r6c3r6c4r7c4r8c4|11,r6c5r7c5r8c5|7,r7c6r8c6|4,r8c1r8c2|19,r7c7r8c7r8c8", "solution": "476819325923654178158273964394186752685327419217495683549762831862931547731548296", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5616, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5617, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-07-04", "puzzle": 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"6,r0c0r0c1|11,r0c2r0c3|20,r1c1r1c2r1c3|26,r0c4r0c5r1c4r1c5r2c4|28,r0c6r0c7r0c8r1c7r1c8r2c8|0,r1c0r2c0|16,r2c1r2c2r2c3|17,r1c6r2c6r2c7|10,r3c0r3c1|7,r3c2r3c3r4c2|0,r2c5r3c5r3c6|0,r3c4r4c4r4c5|35,r3c7r3c8r4c6r4c7r4c8|15,r4c0r4c1r5c0|0,r4c3r5c3r5c4|17,r5c5r6c4r6c5|9,r5c8r6c8|13,r5c1r6c1|20,r5c2r6c2r6c3|15,r5c6r6c6r7c6|0,r5c7r6c7r7c7|0,r7c2r7c3|0,r7c5r8c5|0,r7c8r8c8|25,r6c0r7c0r7c1r8c0r8c1r8c2|0,r7c4r8c3r8c4|0,r8c6r8c7", "solution": "152973648496582371387164592734259186821436759569817234278391465645728913913645827", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5619, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5620, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-07-05", "puzzle": "8,r0c0r0c1|15,r0c4r0c5r1c5|22,r0c6r0c7r0c8|21,r1c0r1c1r2c0|11,r0c2r1c2|8,r0c3r1c3r1c4|15,r1c6r2c6r3c6|13,r1c8r2c8r3c8|10,r2c1r2c2r3c2|13,r2c4r2c5|12,r1c7r2c7r3c7|11,r3c0r3c1|12,r2c3r3c3|17,r4c0r4c1|11,r4c2r4c3|14,r3c4r4c4r5c4|17,r3c5r4c5r5c5|11,r4c6r4c7r4c8|5,r5c0r5c1|14,r5c3r6c3|8,r5c2r6c1r6c2|11,r6c4r6c5|15,r5c7r6c7r7c7|15,r6c0r7c0r7c1|15,r7c2r8c2|17,r7c3r7c4r8c3|14,r5c6r6c6r7c6|11,r5c8r6c8r7c8|8,r8c0r8c1|9,r7c5r8c4r8c5|22,r8c6r8c7r8c8", "solution": "352184679769253814814976523475318296986542137231697458543829761198765342627431985", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5620, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5621, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-07-05", "puzzle": "5,r0c2r0c3|15,r1c2r1c3|6,r0c4r1c4|15,r0c5r1c5|12,r0c6r1c6|11,r0c7r1c7|12,r0c8r1c8|34,r0c0r0c1r1c0r1c1r2c0r2c1r2c2|13,r2c3r3c3|20,r2c4r2c5r2c6r3c4|15,r3c5r3c6r4c6r5c5r5c6|18,r2c7r2c8r3c7r3c8|12,r4c2r4c3|8,r4c4r4c5|12,r4c7r4c8|11,r3c0r4c0r5c0|30,r3c1r3c2r4c1r5c1r5c2|12,r5c3r6c3|21,r5c4r6c4r6c5r6c6|16,r5c7r5c8r6c7r6c8|36,r6c0r6c1r6c2r7c0r7c1r8c0r8c1|5,r7c2r7c3|15,r7c4r8c4|13,r7c5r8c5|10,r7c6r8c6|13,r7c7r8c7|8,r7c8r8c8|7,r8c2r8c3", "solution": "612358794439617528587492631725931486194826357368745219971563842843279165256184973", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5621, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5622, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-07-05", "puzzle": "15,r0c0r0c1|10,r0c2r0c3|17,r0c5r0c6r0c7r0c8|31,r1c0r1c1r1c2r2c1r2c2r2c3|12,r0c4r1c3r1c4|28,r1c5r1c6r2c4r2c5r2c6|17,r1c7r1c8r2c7r2c8|7,r2c0r3c0|26,r3c1r3c2r3c3r4c0r4c1|16,r3c6r3c7r3c8|11,r4c2r4c3|12,r4c5r4c6|16,r5c0r5c1r5c2|22,r3c4r3c5r4c4r5c3r5c4|28,r4c7r4c8r5c5r5c6r5c7|8,r5c8r6c8|10,r6c0r6c1r7c0r7c1|30,r6c2r6c3r6c4r7c2r7c3|15,r7c4r7c5r8c4|34,r6c5r6c6r6c7r7c6r7c7r7c8|27,r8c0r8c1r8c2r8c3|8,r8c5r8c6|5,r8c7r8c8", "solution": "781935264942186735563742918254873691639214857178569342427391586315628479896457123", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5622, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5623, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-07-05", "puzzle": 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"31,r0c0r0c1r0c2r1c0r1c1r1c2|11,r0c3r0c4r1c3r1c4|35,r0c5r0c6r0c7r0c8r1c7|34,r2c2r2c3r2c4r3c4r3c5r4c4r4c5|18,r1c5r1c6r2c5r2c6r3c6|12,r1c8r2c7r2c8|22,r2c0r2c1r3c0r4c0|18,r3c1r3c2r3c3|15,r3c7r3c8|7,r5c0r5c1|37,r4c3r5c3r5c4r5c5r5c6r6c3r6c6|13,r4c6r4c7r5c7|8,r4c8r5c8|7,r6c0r6c1r7c0|25,r4c1r4c2r5c2r6c2|9,r6c4r6c5|17,r6c7r6c8|24,r7c2r7c3r7c4r7c5|6,r7c7r7c8r8c8|22,r7c1r8c0r8c1r8c2|17,r8c3r8c4r8c5|17,r7c6r8c6r8c7", "solution": "346127958981354267752968314273845196895671423614293875127436589469582731538719642", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5627, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5626, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-07-06", "puzzle": 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"20,r0c0r0c1r0c2r1c0|11,r0c4r0c5|0,r0c6r0c7r1c7|4,r1c1r1c2|12,r0c3r1c3|7,r1c5r1c6|20,r0c8r1c8r2c7r2c8|0,r2c0r2c1r2c2r2c3|0,r1c4r2c4r2c5|0,r3c0r3c1|0,r3c3r3c4r4c4r5c4r5c5|5,r2c6r3c6|12,r4c0r5c0|0,r4c1r5c1|7,r3c2r4c2|9,r4c3r5c3|0,r3c5r4c5|0,r4c6r5c6|6,r3c7r4c7|0,r3c8r4c8|11,r5c2r6c2|0,r5c7r5c8|23,r6c3r6c4r7c4|15,r6c5r6c6r6c7r6c8|18,r6c0r6c1r7c0r8c0|0,r7c2r7c3|6,r7c5r8c5|13,r7c6r7c7|12,r7c1r8c1r8c2|5,r8c3r8c4|21,r7c8r8c6r8c7r8c8", "solution": "428356917631972584975418236194567328563829741782143695259684173346791852817235469", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5628, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5629, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-06", "puzzle": "0,r0c3r0c4r0c5r1c5|32,r0c6r0c7r0c8r1c6r1c8r2c6|0,r0c0r1c0r2c0|10,r0c1r1c1|0,r0c2r1c2|0,r1c3r1c4|13,r2c1r2c2|0,r2c4r2c5r3c4|5,r1c7r2c7|38,r3c0r3c1r3c2r4c0r4c1r5c0r5c1r5c2|10,r2c3r3c3|0,r3c5r3c6r3c7|17,r2c8r3c8|20,r4c2r4c3r4c4|5,r4c5r4c6|0,r4c7r4c8|5,r5c3r6c3|13,r5c5r5c6r5c7|12,r5c8r6c8|12,r6c1r6c2|18,r5c4r6c4r6c5|11,r6c7r7c7|0,r6c0r7c0r8c0|0,r7c1r8c1|13,r7c2r8c2|7,r7c3r7c4|21,r7c5r8c3r8c4r8c5|0,r6c6r7c6r7c8r8c6r8c7r8c8", "solution": "421678593983215746576394218312786459857942361694153827239467185768521934145839672", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5629, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5630, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-07-07", "puzzle": "14,r0c0r0c1|6,r0c4r0c5|11,r0c6r0c7r1c7|10,r0c2r1c1r1c2|15,r0c3r1c3|18,r1c4r1c5r1c6|8,r0c8r1c8|19,r1c0r2c0r2c1|23,r2c7r2c8r3c8|9,r2c2r3c2|9,r2c3r2c4r3c3|10,r2c5r3c4r3c5|15,r2c6r3c6r3c7|11,r3c0r4c0r5c0|13,r3c1r4c1r5c1|10,r4c2r4c3|24,r4c4r4c5r4c6|8,r4c7r4c8|13,r5c2r6c2|19,r5c3r6c3r6c4|17,r5c4r5c5r6c5|8,r5c6r5c7r6c6|14,r6c0r6c1r7c0|12,r5c8r6c7r6c8|21,r7c1r7c2r8c2|7,r7c3r8c3|14,r7c4r7c5r7c6|9,r7c8r8c8|5,r8c0r8c1|12,r8c4r8c5|21,r7c7r8c6r8c7", "solution": "951842637863759421742316598497531286216498753538267149675984312184623975329175864", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5630, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5631, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-07-07", "puzzle": "19,r0c0r0c1r0c2|17,r0c3r0c4r0c5|9,r0c6r0c7r0c8|10,r1c1r1c2|16,r1c3r1c4r1c5|7,r1c6r1c7|7,r1c0r2c0|16,r1c8r2c8|18,r2c1r2c2r3c1r4c1|22,r2c3r3c2r3c3|21,r2c4r3c4r4c4r5c4r6c4|8,r2c5r3c5r3c6|19,r2c6r2c7r3c7r4c7|10,r3c0r4c0|9,r4c2r4c3|13,r4c5r4c6|13,r3c8r4c8|6,r5c2r5c3|15,r5c5r5c6|23,r5c0r6c0r7c0|8,r5c1r6c1|8,r6c2r6c3|14,r6c5r6c6|10,r5c7r6c7|11,r5c8r6c8r7c8|12,r7c1r7c2r8c2|17,r7c3r7c4r7c5|17,r7c6r7c7r8c6|4,r8c0r8c1|15,r8c3r8c4r8c5|11,r8c7r8c8", "solution": "487539261591862437263714589759623148348197625612458793975346812824971356136285974", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5631, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5632, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-07-07", "puzzle": "20,r0c1r0c2r0c3|10,r0c4r0c5|14,r0c0r1c0r1c1|5,r1c3r1c4|40,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|14,r1c2r2c2r3c2|13,r2c3r2c4|24,r1c5r2c5r2c6r3c5r3c6r3c7|10,r2c0r3c0|14,r2c1r3c1|14,r3c8r4c8|16,r4c0r4c1r5c0r5c1|10,r4c2r4c3|13,r4c6r5c6|11,r4c7r5c7|13,r5c2r5c3r6c3|7,r5c4r6c4|25,r3c3r3c4r4c4r4c5r5c5|23,r6c1r6c2r7c1r7c2|18,r6c5r6c6r6c7|14,r5c8r6c8r7c8|26,r7c3r7c4r8c3r8c4|8,r7c5r7c6|22,r6c0r7c0r8c0r8c1r8c2|13,r8c5r8c6|8,r7c7r8c7r8c8", "solution": "496528173375419268182763594967381425814652739253947681529136847748295316631874952", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5632, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5634, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-07", "puzzle": "10,r0c0r0c1|13,r0c2r0c3|8,r0c4r0c5|15,r0c6r0c7r0c8r1c8|0,r1c0r1c1r2c1|0,r1c2r1c3|28,r1c4r1c5r2c4r2c5|0,r1c6r1c7|5,r2c2r2c3|9,r2c6r3c6|0,r2c7r2c8|0,r2c0r3c0|0,r3c1r3c2|0,r3c4r4c4r5c4|0,r4c0r5c0|19,r4c1r4c2r5c1|13,r3c3r4c3r5c3|12,r3c5r4c5r5c5|13,r3c7r4c6r4c7|12,r3c8r4c8|0,r5c6r5c7|0,r5c8r6c8|5,r6c0r6c1|0,r5c2r6c2|0,r6c5r6c6|11,r7c1r7c2|21,r6c3r6c4r7c3r7c4|0,r7c5r7c6|0,r6c7r7c7r7c8|20,r7c0r8c0r8c1r8c2|0,r8c3r8c4|13,r8c5r8c6|10,r8c7r8c8", "solution": "198526743625374981734189625562491378987263154341758296419832567856917432273645819", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5634, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5635, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-07-08", "puzzle": "10,r0c0r0c1r1c0|23,r0c2r1c2r2c2|20,r0c3r0c4r1c3|19,r0c5r1c4r1c5|7,r0c6r1c6|12,r0c7r0c8r1c7|21,r1c8r2c8r3c8|7,r1c1r2c1|4,r2c3r2c4|9,r3c1r3c2|10,r2c5r3c5|9,r2c6r3c6r4c6|19,r2c7r3c7r4c7|18,r2c0r3c0r4c0|10,r3c3r4c3|12,r3c4r4c4r5c4|6,r4c5r5c5|13,r4c8r5c8r6c8|15,r4c1r5c1r6c1|10,r4c2r5c2r6c2|14,r5c3r6c3|10,r5c6r5c7|15,r6c4r6c5|6,r6c7r7c7|16,r5c0r6c0r7c0|22,r7c1r8c0r8c1|5,r7c2r8c2|9,r7c3r7c4r8c3|16,r7c5r8c4r8c5|22,r6c6r7c6r8c6|16,r7c8r8c7r8c8", "solution": "176854392238796415549312687427638159913475268685921734362587941754169823891243576", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5635, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5636, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-07-08", "puzzle": 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"18,r0c0r0c1r1c0|9,r0c3r0c4r0c5|16,r0c7r0c8|9,r0c2r1c2|21,r1c3r2c3r2c4r3c3|19,r0c6r1c4r1c5r1c6|8,r1c7r1c8|10,r1c1r2c1|11,r2c5r2c6|10,r2c7r2c8|8,r2c0r3c0r3c1|29,r2c2r3c2r4c2r5c2r6c2|10,r3c6r3c7|11,r4c0r4c1|7,r4c6r4c7|11,r5c0r5c1r6c0|36,r3c4r3c5r4c3r4c4r4c5r5c4r5c5|13,r5c6r5c7|15,r3c8r4c8r5c8|11,r6c1r7c1|13,r6c5r6c6|10,r6c7r6c8|7,r7c2r8c2|27,r5c3r6c3r6c4r7c3|17,r7c4r7c5r7c6r8c6|10,r7c7r7c8|21,r7c0r8c0r8c1|13,r8c3r8c4r8c5|5,r8c7r8c8", "solution": "842351697697248135513697482125489376479136258368572941234765819781923564956814723", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5641, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5640, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-07-09", "puzzle": 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"14,r0c1r0c2|18,r0c4r0c5r0c6|16,r0c0r1c0r2c0|34,r0c3r1c3r1c4r2c3r2c4r2c5r3c4|15,r1c5r1c6|10,r0c7r1c7|12,r0c8r1c8r2c8|4,r1c1r2c1|28,r1c2r2c2r3c2r4c2|7,r2c6r2c7|7,r3c0r3c1|15,r3c5r3c6|12,r3c7r3c8r4c8|9,r4c0r4c1|13,r3c3r4c3r4c4|6,r4c5r4c6|14,r5c0r5c1r5c2r6c2|13,r5c3r5c4|23,r4c7r5c6r5c7r5c8|10,r6c3r6c4|14,r5c5r6c5r7c5|13,r6c8r7c8r8c8|32,r6c0r6c1r7c0r7c1r7c2r8c0|26,r7c3r7c4r8c4r8c5r8c6|12,r6c6r6c7r7c6|12,r8c1r8c2r8c3|16,r7c7r8c7", "solution": "295438761817256943634791528529367814368914257741582639172649385456873192983125476", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5666, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5667, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-07-14", "puzzle": "11,r0c3r0c4|11,r0c0r0c1r1c0|16,r0c2r1c2r1c3|25,r0c5r0c6r1c5r1c6|19,r0c7r0c8r1c7r1c8r2c8|23,r1c1r2c0r2c1r3c0|34,r2c2r3c1r3c2r4c2r5c2|23,r1c4r2c3r2c4r2c5r3c5|6,r2c6r3c6|13,r2c7r3c7|7,r4c0r4c1|18,r3c3r3c4r4c3r4c4|15,r4c5r4c6r5c5r5c6|15,r3c8r4c8r5c8|17,r4c7r5c7|10,r5c0r6c0|8,r5c1r6c1|24,r6c4r6c5r6c6r7c3r7c4|39,r5c3r5c4r6c2r6c3r7c0r7c1r7c2r8c0|10,r7c5r7c6|20,r6c7r7c7r8c6r8c7|15,r6c8r7c8r8c8|8,r8c1r8c2|18,r8c3r8c4r8c5", "solution": "217569834835472619694831572579284163348716295126953487961325748482197356753648921", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5667, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5668, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-14", "puzzle": "4,r0c1r0c2|18,r0c4r0c5r1c4|11,r0c0r1c0|19,r1c1r1c2r2c2|0,r0c3r1c3r2c3|19,r0c6r0c7r1c6|3,r0c8r1c8|0,r2c1r3c1|21,r1c5r2c5r2c6|0,r1c7r2c7r2c8|0,r3c2r3c3|0,r2c4r3c4r3c5|0,r3c6r3c7r3c8|0,r4c1r4c2|14,r4c3r4c4|19,r4c5r4c6r4c7r4c8|26,r2c0r3c0r4c0r5c0r6c0|10,r5c2r5c3|0,r5c4r5c5r6c4|0,r5c6r5c7r5c8|0,r5c1r6c1|15,r6c5r6c6r7c5|14,r6c7r6c8r7c7|0,r7c0r8c0|15,r6c2r7c1r7c2|14,r6c3r7c3r8c3|13,r7c6r8c6r8c7|9,r7c8r8c8|0,r8c1r8c2|23,r7c4r8c4r8c5", "solution": "413578692786239451295164873947613528138952746652847139864325917529781364371496285", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5668, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5669, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-14", "puzzle": "21,r0c1r0c2r0c3r1c2|0,r0c5r0c6|19,r0c0r1c0r1c1r2c1|0,r0c4r1c3r1c4|0,r1c5r1c6r2c5|0,r0c7r0c8r1c7|0,r2c3r2c4|12,r2c6r2c7|0,r1c8r2c8|16,r2c0r3c0|12,r2c2r3c1r3c2|0,r3c6r3c7r3c8r4c6r5c6r5c7r5c8|18,r4c0r4c1r4c2|0,r3c3r4c3r5c3|34,r3c4r3c5r4c4r4c5r5c4r5c5|6,r4c7r4c8|8,r5c0r6c0|0,r5c1r5c2r6c2|3,r6c3r6c4|16,r6c6r6c7|13,r6c8r7c8|16,r6c1r7c0r7c1r8c0|0,r7c3r7c4r8c4|0,r6c5r7c5r7c6|0,r7c7r8c7r8c8|29,r7c2r8c1r8c2r8c3|7,r8c5r8c6", "solution": "695418273483972156712563849946287531837651924521349687364125798279836415158794362", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5669, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5670, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-07-15", "puzzle": "16,r0c0r0c1|6,r0c7r0c8r1c7|18,r0c2r0c3r1c2|13,r0c4r0c5r1c4|12,r0c6r1c6|8,r1c0r2c0|4,r1c1r2c1|16,r1c3r2c2r2c3|17,r2c6r2c7|17,r1c8r2c8r3c8|12,r3c0r3c1|15,r3c3r4c3r5c3|9,r2c4r3c4|9,r1c5r2c5r3c5|15,r3c6r3c7|6,r4c0r4c1|12,r3c2r4c2r5c2|23,r4c4r4c5r4c6|6,r4c7r4c8|15,r5c0r5c1|17,r5c4r6c4|17,r5c5r6c5r7c5|8,r5c6r5c7|8,r6c0r7c0|6,r6c1r7c1|15,r6c2r6c3r7c3|5,r6c6r6c7|18,r5c8r6c8r7c8|14,r7c2r8c2r8c3|10,r7c4r8c4r8c5|5,r7c6r8c6|15,r8c0r8c1|18,r7c7r8c7r8c8", "solution": "794618523238945716615273984483521697157369842962784351546197238321856479879432165", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5670, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5671, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-07-15", "puzzle": 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"0,r0c3r0c4|30,r0c0r0c1r0c2r1c0r2c0|0,r1c1r1c2r2c1r2c2|0,r0c5r0c6r1c5r1c6|0,r0c7r1c7|0,r0c8r1c8|3,r1c3r2c3|12,r1c4r2c4|0,r2c7r2c8|14,r3c1r3c2|11,r2c5r3c5|10,r2c6r3c6r4c6|11,r3c0r4c0|0,r4c1r4c2|20,r3c3r3c4r4c3|14,r4c4r4c5r5c4|19,r3c7r3c8r4c7r4c8|0,r5c0r5c1r6c0r6c1|13,r5c2r5c3|19,r5c5r5c6r6c5r6c6|12,r5c7r5c8|22,r6c2r6c3r6c4|5,r6c7r6c8|7,r7c0r7c1|10,r7c5r8c5|0,r8c0r8c1|0,r7c2r8c2|17,r7c3r7c4r8c3r8c4|15,r7c6r8c6|19,r7c7r7c8r8c7r8c8", "solution": "581367492936245187742189536859472361364918275127653948475891623613724859298536714", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5673, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5675, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-07-16", "puzzle": "16,r0c0r0c1|6,r0c4r0c5|10,r0c7r0c8r1c8|11,r1c0r1c1|12,r0c2r1c2|10,r0c3r1c3r1c4|14,r0c6r1c6r2c6|17,r2c3r2c4|16,r1c5r2c5r3c5|16,r1c7r2c7r3c7|15,r2c0r3c0r4c0|11,r2c1r2c2r3c1|12,r3c2r3c3r3c4|16,r2c8r3c8|5,r4c1r4c2|20,r4c5r5c5r5c6|10,r3c6r4c6r4c7|16,r4c8r5c7r5c8|5,r5c0r5c1|10,r4c3r5c3|13,r4c4r5c4|17,r6c0r6c1|14,r5c2r6c2|19,r6c3r6c4r7c4|8,r6c7r6c8r7c7|11,r7c2r7c3|7,r6c5r7c5|14,r6c6r7c6r8c6|3,r7c0r8c0|13,r7c1r8c1r8c2|15,r8c3r8c4r8c5|23,r7c8r8c7r8c8", "solution": "978642153654317982321985467786154329532879614419263875895736241267491538143528796", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5675, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5674, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-15", "puzzle": "19,r0c0r0c1r1c0|9,r0c2r0c3|0,r0c4r0c5r1c5|45,r0c6r0c7r0c8r1c6r1c7r1c8r2c6r2c7r2c8|10,r1c1r1c2|0,r1c3r1c4|19,r2c1r2c2r2c3|10,r2c4r2c5|6,r2c0r3c0|9,r3c1r3c2|0,r3c6r4c6|9,r3c7r3c8r4c8|13,r4c0r4c1r4c2r4c3|38,r3c3r3c4r3c5r4c4r4c5r5c5|8,r4c7r5c7|30,r5c2r5c3r6c1r6c2r6c3r7c2|13,r5c8r6c8|0,r5c0r5c1r6c0|0,r6c5r7c5|0,r5c6r6c6r7c6|0,r6c7r7c7|13,r5c4r6c4r7c4r8c4|16,r7c8r8c7r8c8|10,r7c0r7c1r8c0r8c1|21,r7c3r8c2r8c3|0,r8c5r8c6", "solution": "924561837837924156156873492581397624462185973793246518679412385215638749348759261", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5674, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5676, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-07-16", "puzzle": "16,r0c2r0c3r0c4r1c2|4,r0c5r0c6|19,r0c7r0c8r1c7r1c8|11,r0c0r1c0|14,r0c1r1c1|11,r1c4r1c5|6,r2c0r2c1|20,r1c3r2c2r2c3|11,r2c4r2c5|16,r1c6r2c6r2c7|10,r2c8r3c8|11,r3c0r3c1|9,r3c2r3c3|13,r3c6r4c6|7,r3c7r4c7|23,r4c0r4c1r4c2r5c0|10,r5c1r5c2|32,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|14,r5c5r6c5|22,r5c6r5c7r6c6|16,r4c8r5c8r6c7r6c8|26,r6c0r6c1r6c2r7c2r8c2|7,r6c3r7c3|19,r7c0r7c1r8c0r8c1|14,r7c5r8c5|5,r7c6r8c6|9,r7c7r7c8|15,r6c4r7c4r8c3r8c4|15,r8c7r8c8", "solution": "782651349463792815519483267921864753845937621637125984176249538398516472254378196", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5676, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5677, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-07-16", "puzzle": 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"12,r0c0r0c1r1c0r1c1|11,r0c3r0c4|18,r0c5r0c6r0c7|12,r0c2r1c2|14,r1c3r1c4r2c4|9,r1c5r1c6|13,r0c8r1c8r2c8|17,r2c0r2c1|17,r1c7r2c6r2c7|33,r2c2r2c3r3c2r3c3r3c4r4c3r4c4|13,r2c5r3c5|8,r3c6r3c7|14,r3c0r4c0|15,r3c1r4c1r4c2|14,r3c8r4c8r5c8|3,r5c2r5c3|11,r4c5r5c4r5c5|16,r4c6r5c6|7,r4c7r5c7|12,r5c0r6c0r7c0|13,r5c1r6c1|10,r6c4r6c5|15,r6c2r7c1r7c2|11,r6c3r7c3|13,r7c4r7c5|10,r6c6r6c7r7c6|35,r6c8r7c7r7c8r8c6r8c7r8c8|18,r8c0r8c1r8c2|11,r8c3r8c4r8c5", "solution": "635479182127853694894216357941387265583962741762145938376528419218694573459731826", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5696, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5695, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-07-20", "puzzle": 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"20,r0c4r0c5r1c4r2c4|6,r0c6r0c7|14,r0c0r0c1r1c0|0,r0c2r0c3r1c1r1c2|12,r1c6r1c7|13,r0c8r1c8|10,r2c0r2c1r3c0|9,r1c3r2c3|8,r1c5r2c5|31,r3c1r4c0r4c1r4c2r5c1|0,r2c2r3c2|0,r3c3r3c4|17,r2c6r2c7r2c8r3c6|15,r4c3r4c4|28,r3c7r3c8r4c7r4c8r5c7r5c8|4,r5c2r6c2|0,r5c3r5c4|0,r3c5r4c5r4c6r5c5|0,r5c6r6c6r6c7r6c8|20,r5c0r6c0r6c1|0,r6c3r7c3|11,r6c5r7c5|7,r7c0r8c0r8c1|26,r7c1r7c2r8c2r8c3|0,r7c6r7c7|5,r7c8r8c8|18,r6c4r7c4r8c4r8c5|0,r8c6r8c7", "solution": "249836517875421936316597248682174359734965821591283674963742185458319762127658493", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5698, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5697, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-07-20", "puzzle": "18,r0c0r0c1r0c2|13,r1c0r1c1r1c2r2c1|9,r0c3r1c3|14,r0c4r0c5r1c4|13,r1c5r1c6|27,r0c6r0c7r0c8r1c7r1c8r2c8|8,r2c2r2c3|13,r2c7r3c7|18,r2c0r3c0r4c0|10,r3c2r3c3r3c4|37,r2c4r2c5r2c6r3c5r3c6r4c6|7,r3c1r4c1|15,r3c8r4c7r4c8|16,r4c3r4c4r5c4|10,r4c5r5c5r6c5|8,r5c6r6c6|12,r5c7r5c8|7,r5c0r6c0|17,r6c1r6c2r7c2|39,r4c2r5c1r5c2r5c3r6c3r6c4r7c3|7,r7c4r7c5|16,r6c7r7c6r7c7r8c7|19,r6c8r7c8r8c8|25,r7c0r7c1r8c0r8c1|10,r8c2r8c3|17,r8c4r8c5r8c6", "solution": "945163827127854936836279541764518293318492675592637184259341768683725419471986352", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5697, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5699, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-20", "puzzle": 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"16,r0c3r0c4r0c5|11,r0c6r0c7r1c6|24,r0c0r0c1r1c0|10,r0c2r1c1r1c2|9,r1c4r1c5|5,r0c8r1c8|5,r2c0r2c1|12,r1c3r2c3r2c4|24,r1c7r2c7r2c8|16,r2c2r3c1r3c2|13,r2c5r3c5|12,r2c6r3c6|16,r3c0r4c0r5c0|11,r4c1r4c2|13,r3c4r4c4r5c4|10,r4c5r4c6|11,r3c7r4c7r5c7|16,r5c1r5c2r6c2|18,r3c3r4c3r5c3|13,r5c5r6c5|4,r5c6r6c6|18,r3c8r4c8r5c8|11,r6c0r6c1|10,r6c3r6c4r7c3|13,r6c7r6c8r7c7|15,r7c0r8c0r8c1|11,r7c1r7c2r8c2|17,r7c4r7c5|10,r7c8r8c8|12,r8c3r8c4r8c5|19,r7c6r8c6r8c7", "solution": "785961234923754681146328597819435726374612859562897143298146375637589412451273968", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5700, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5701, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-07-21", "puzzle": "10,r1c0r1c1|23,r0c0r0c1r0c2r1c2|10,r0c3r1c3|7,r0c4r1c4|9,r0c5r1c5|15,r0c6r0c7r0c8r1c6|16,r1c7r1c8|27,r2c0r2c1r2c2r3c1r3c2|19,r2c3r2c4r2c5|22,r2c6r2c7r2c8r3c6r3c7|13,r3c0r4c0r4c1r4c2|3,r3c3r4c3|29,r3c4r4c4r5c3r5c4r5c5|13,r3c5r4c5|25,r3c8r4c6r4c7r4c8|18,r5c0r5c1r5c2r6c2|18,r5c6r5c7r5c8r6c6|22,r6c0r6c1r7c0r8c0|24,r6c3r6c4r6c5r7c4r8c4|15,r6c7r6c8r7c8r8c8|9,r7c2r7c3|15,r7c5r7c6|13,r7c1r8c1|10,r8c2r8c3|7,r8c5r8c6|13,r7c7r8c7", "solution": "739428165284651379165937428478169532513274896926583714351892647842716953697345281", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5701, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5702, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-07-21", "puzzle": "27,r0c0r0c1r0c2r1c0r2c0|10,r0c3r0c4|17,r0c5r0c6r0c7r0c8|10,r1c3r1c4|15,r1c1r1c2r2c1|17,r1c5r1c6r2c4r2c5|18,r1c7r1c8r2c7|11,r3c1r4c1|19,r2c2r2c3r3c2r3c3|10,r3c4r3c5|19,r2c6r3c6r4c6|14,r2c8r3c8|14,r3c0r4c0|10,r4c4r4c5r5c4|4,r3c7r4c7|18,r4c2r5c1r5c2r6c1|13,r4c3r5c3|15,r5c5r5c6r6c5|14,r4c8r5c7r5c8|18,r5c0r6c0r7c0r8c0|18,r6c2r6c3r6c4|8,r7c1r7c2r8c1|8,r7c3r7c4|45,r6c6r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|17,r8c2r8c3|16,r7c5r8c4r8c5", "solution": "495378126172649583863521479934782615587416932216935748648193257351267894729854361", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5702, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5703, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-21", "puzzle": "0,r0c1r0c2|0,r0c0r1c0|34,r0c3r0c4r0c5r1c3r1c5|9,r0c6r1c6|10,r0c7r1c7|4,r0c8r1c8|6,r1c1r2c1|0,r1c2r2c2|14,r1c4r2c3r2c4r3c3|0,r2c5r2c6|13,r2c7r2c8|0,r2c0r3c0|16,r3c1r3c2|21,r3c4r3c5r4c4r5c3r5c4|0,r4c0r4c1r5c0|18,r4c2r4c3r5c1r5c2|0,r3c6r3c7r4c5r4c6|0,r3c8r4c7r4c8|5,r5c6r5c7|0,r5c8r6c8|0,r6c0r6c1|0,r6c2r6c3|25,r5c5r6c4r6c5r7c4|9,r6c6r7c6|10,r6c7r7c7|9,r7c0r8c0|0,r7c1r8c1|0,r7c2r8c2|27,r7c3r7c5r8c3r8c4r8c5|7,r7c8r8c8|12,r8c6r8c7", "solution": "591687423627934581843521976379452168462318759185769234938245617214876395756193842", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5703, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5707, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-07-22", "puzzle": "16,r0c4r0c5r0c6|12,r0c0r0c1r1c0|15,r0c2r1c2|17,r0c3r1c3r1c4|24,r1c5r1c6r2c6r2c7r3c7|20,r0c7r0c8r1c7r1c8|13,r1c1r2c0r2c1|16,r2c2r2c3r3c2|23,r2c4r2c5r3c5r3c6r4c6|8,r3c0r3c1|4,r3c3r3c4|16,r2c8r3c8r4c8|20,r4c0r4c1r4c2|11,r4c5r5c5|29,r5c1r5c2r6c1r6c2r6c3r7c2r7c3|23,r4c3r4c4r5c3r5c4|16,r5c6r6c5r6c6|15,r4c7r5c7r5c8|10,r5c0r6c0|3,r6c7r6c8|21,r7c0r7c1r8c0r8c1|17,r6c4r7c4r8c4|12,r7c5r8c5|21,r7c6r7c7r8c6|7,r8c2r8c3|16,r7c8r8c7r8c8", "solution": "316759248879462135245381976628137459497825361153946827984673512561294783732518694", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5707, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5706, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-07-22", "puzzle": 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"23,r0c0r0c1r1c1|8,r0c3r1c3|10,r0c4r0c5|5,r0c2r1c2|6,r1c4r1c5|16,r0c6r1c6|7,r0c7r1c7|13,r0c8r1c8|7,r1c0r2c0|10,r2c1r2c2|15,r2c5r2c6r3c5|3,r2c7r2c8|20,r3c0r3c1r4c1|20,r2c3r3c2r3c3|6,r2c4r3c4|12,r3c7r3c8r4c8|7,r4c2r5c2|21,r4c3r4c4r4c5|5,r3c6r4c6|12,r4c0r5c0r5c1|16,r5c4r6c4|13,r5c5r5c6r6c5|20,r4c7r5c7r5c8|5,r6c0r6c1|15,r5c3r6c2r6c3|11,r6c6r6c7|12,r6c8r7c8|9,r7c0r8c0|7,r7c1r8c1|16,r7c2r8c2|6,r7c3r7c4|5,r7c6r8c6|14,r8c3r8c4|13,r7c5r8c5|17,r7c7r8c7r8c8", "solution": "861237945294615738573948612986521374435786291712493856148372569627159483359864127", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5705, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5708, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-07-22", "puzzle": "15,r0c5r0c6r1c5|40,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1|0,r0c3r1c3|0,r0c4r1c4|11,r0c7r0c8r1c7|0,r2c4r2c5|22,r1c6r2c6r2c7|10,r1c8r2c8|0,r3c0r3c1|26,r2c2r2c3r3c2r3c3r3c4r4c3|8,r3c5r3c6|13,r3c7r3c8|0,r4c0r4c1|0,r4c2r5c2|10,r4c6r4c7r4c8|15,r5c3r6c3|21,r4c4r4c5r5c4r5c5|8,r5c0r5c1r6c0|19,r6c1r6c2r7c2|23,r5c6r5c7r6c5r6c6r7c5|9,r5c8r6c8|14,r7c0r7c1r8c0|13,r6c4r7c4r8c4|0,r6c7r7c6r7c7|7,r8c1r8c2|0,r7c3r8c3|11,r8c5r8c6|0,r7c8r8c7r8c8", "solution": "789315246642798513135264987853172694496853172217649358574926831928431765361587429", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5708, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5709, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-22", "puzzle": "17,r0c3r0c4|14,r0c5r0c6r1c5r2c5|13,r0c7r0c8r1c8|0,r0c0r1c0|19,r0c1r0c2r1c1|0,r1c2r1c3r1c4|28,r1c6r1c7r2c6r2c7|11,r2c0r2c1|0,r2c3r2c4|0,r2c8r3c6r3c7r3c8|20,r2c2r3c1r3c2|6,r3c0r4c0|10,r4c1r4c2|30,r3c3r3c4r3c5r4c4r4c5r5c5|0,r4c8r5c8|17,r5c0r5c1r5c2|0,r4c3r5c3r5c4|0,r4c6r5c6|11,r4c7r5c7r6c7|11,r6c4r7c4|13,r6c5r6c6r7c5|45,r6c0r6c1r6c2r7c0r7c1r7c2r8c0r8c1r8c2|0,r6c3r7c3r8c3|8,r7c6r8c6|18,r6c8r7c7r7c8|0,r8c4r8c5|11,r8c7r8c8", "solution": "473986152291345876658712493539628714146573928782194365924867531367451289815239647", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5709, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5710, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-07-23", "puzzle": "20,r0c0r0c1r0c2|3,r0c3r0c4|13,r0c5r0c6|3,r1c0r1c1|17,r1c2r1c3r2c3|15,r1c4r1c5r2c4|18,r1c6r2c5r2c6|17,r0c7r0c8r1c7|10,r2c0r2c1|12,r1c8r2c7r2c8|16,r2c2r3c2|14,r3c3r3c4r3c5|14,r3c7r3c8|11,r3c0r4c0|6,r3c1r4c1|10,r4c2r5c2|14,r4c3r4c4r4c5|7,r3c6r4c6|16,r4c7r5c7|3,r4c8r5c8|9,r5c0r5c1|17,r5c3r5c4r5c5|13,r5c6r6c6|16,r6c0r6c1r7c0|11,r6c7r6c8|18,r7c1r8c0r8c1|14,r6c2r6c3r7c2|19,r6c4r7c3r7c4|8,r6c5r7c5r7c6|5,r7c7r7c8|9,r8c2r8c3|8,r8c4r8c5|19,r8c6r8c7r8c8", "solution": "983217645125364987467958123319572468856149372274683591732491856698735214541826739", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5710, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5711, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-07-23", "puzzle": "14,r0c1r0c2r1c2r2c2|10,r0c3r0c4|9,r0c5r0c6|22,r0c0r1c0r1c1r2c1|6,r1c4r1c5r1c6|9,r0c7r1c7|17,r0c8r1c8|17,r1c3r2c3|14,r2c5r2c6r3c5|25,r2c0r3c0r4c0r5c0r6c0|17,r3c1r3c2|10,r2c4r3c4|8,r2c7r3c7|9,r4c1r4c2r5c2|29,r3c3r4c3r4c4r4c5r5c5|14,r3c6r4c6r4c7|9,r5c1r6c1|11,r5c4r6c4|11,r5c6r5c7|22,r2c8r3c8r4c8r5c8r6c8|11,r5c3r6c2r6c3|15,r6c5r7c5|7,r7c0r8c0|14,r7c1r8c1|17,r7c2r7c3r7c4|14,r6c7r7c7r7c8r8c8|10,r8c2r8c3|6,r8c4r8c5|28,r6c6r7c6r8c6r8c7", "solution": "813642759576913248924875361798136425235784196641529837152498673389267514467351982", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5711, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5713, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-23", "puzzle": "0,r0c2r0c3r0c4r0c5r0c6|3,r0c0r1c0|10,r0c1r1c1|12,r0c7r1c7|4,r0c8r1c8|16,r2c0r2c1|6,r1c3r2c3|11,r1c4r2c4|9,r1c5r2c5|8,r2c7r2c8|20,r1c2r2c2r3c1r3c2|21,r3c3r3c4r3c5|18,r1c6r2c6r3c6r3c7|13,r3c0r4c0|16,r4c1r4c2r4c3r5c3|19,r4c5r4c6r4c7r5c5|0,r3c8r4c8|9,r4c4r5c4|0,r5c0r6c0|0,r5c1r6c1|10,r5c2r6c2|10,r5c6r6c6|9,r5c7r6c7|0,r5c8r6c8|8,r7c2r7c3|0,r6c3r6c4r6c5r7c4|0,r7c5r7c6|0,r7c0r8c0|0,r7c1r8c1r8c2|0,r8c3r8c4r8c5|0,r7c7r8c6r8c7|0,r7c8r8c8", "solution": "165982743243576981978143562527498136816235497439761825691354278782619354354827619", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5713, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5714, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-07-23", "puzzle": "5,r0c0r0c1|10,r0c2r0c3r0c4|6,r1c3r1c4|0,r0c5r0c6r1c5|20,r0c7r0c8r1c7|21,r1c0r1c1r2c0|18,r2c3r2c4r3c3r3c4|4,r1c6r2c6|9,r1c8r2c8|0,r2c1r3c0r3c1|15,r1c2r2c2r3c2|0,r2c5r3c5r3c6|0,r2c7r3c7|0,r4c0r5c0|0,r4c1r4c2|0,r4c3r4c4r4c5|9,r4c6r4c7|0,r3c8r4c8|0,r5c1r6c1|0,r5c2r5c3r6c3|19,r5c6r6c6r7c6|0,r5c7r5c8r6c7|11,r6c0r7c0|0,r6c2r7c2|18,r5c4r5c5r6c4r6c5|0,r6c8r7c7r7c8|0,r7c1r8c0r8c1|19,r7c3r8c2r8c3|0,r7c4r7c5|0,r8c4r8c5r8c6|11,r8c7r8c8", "solution": "412537896683429157795816342127364589864195723539782614241653978956278431378941265", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5714, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5712, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-07-23", "puzzle": "36,r0c1r0c2r0c3r0c4r0c5r0c6r1c5|11,r0c7r0c8r1c8|24,r0c0r1c0r1c1r1c2r2c0|16,r1c3r1c4|18,r1c6r1c7r2c7|15,r2c3r2c4r3c4|14,r2c5r2c6r3c5r3c6|18,r2c1r2c2r3c0r3c1|16,r3c2r3c3|21,r4c0r4c1r5c0r6c0|21,r4c5r4c6r5c6|15,r4c7r5c7|7,r5c1r5c2|37,r4c2r4c3r4c4r5c3r5c4r6c4|7,r5c5r6c5|12,r6c1r6c2r7c2|8,r6c3r7c3|32,r2c8r3c7r3c8r4c8r5c8r6c8r7c8|16,r7c0r7c1r8c0r8c1|15,r7c4r8c2r8c3r8c4|21,r6c6r7c5r7c6r8c5|25,r6c7r7c7r8c6r8c7r8c8", "solution": "794163825812795634635842791287934156169258473543671982951386247476529318328417569", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5712, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5715, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-07-24", "puzzle": "14,r0c1r0c2|18,r0c3r0c4r0c5|12,r0c6r0c7r0c8|8,r0c0r1c0|12,r1c1r1c2r1c3|3,r1c4r1c5|12,r1c6r2c6|14,r2c0r2c1|9,r2c2r2c3|20,r1c7r1c8r2c7|4,r2c8r3c8|8,r3c2r3c3|13,r2c4r3c4|4,r2c5r3c5|15,r3c6r3c7|17,r3c0r3c1r4c0|9,r4c1r4c2|22,r4c3r4c4r4c5|7,r4c6r4c7|14,r4c8r5c7r5c8|9,r5c1r5c2|17,r5c3r6c3|5,r5c4r6c4|11,r5c5r5c6|10,r5c0r6c0|20,r6c1r7c0r7c1|9,r6c5r6c6|9,r6c7r6c8|4,r6c2r7c2|8,r7c3r7c4|15,r7c5r7c6r7c7|15,r7c8r8c8|15,r8c0r8c1r8c2|11,r8c3r8c4r8c5|12,r8c6r8c7", "solution": "159486372734512896862793451596241783318679524427835619673928145941357268285164937", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5715, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5716, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-07-24", "puzzle": "12,r0c0r0c1|20,r1c0r1c1r2c0r3c0|12,r0c2r1c2|7,r0c3r1c3|9,r0c4r0c5r1c4|12,r0c6r0c7r1c6|23,r0c8r1c7r1c8r2c7|9,r2c1r3c1|5,r2c2r3c2|13,r2c3r3c3|27,r1c5r2c4r2c5r3c4|22,r2c6r3c6r3c7|4,r2c8r3c8|9,r4c0r4c1|8,r4c2r4c3r4c4|20,r3c5r4c5r5c5|19,r4c6r4c7r4c8|10,r5c1r6c1|10,r5c2r6c2|16,r5c3r6c3|16,r5c4r6c4r6c5r7c5|9,r5c6r5c7r6c6|11,r5c8r6c8|18,r5c0r6c0r7c0r7c1|13,r7c2r8c2|8,r7c3r8c3|16,r7c4r8c4r8c5|14,r7c6r8c6r8c7|21,r6c7r7c7r7c8r8c8|12,r8c0r8c1", "solution": "753462918689317254421598763274835691365129847198746325512983476846271539937654182", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5716, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5717, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-07-24", "puzzle": "11,r0c2r0c3|13,r0c5r0c6|18,r0c0r0c1r1c0|22,r0c7r0c8r1c5r1c6r1c7r1c8|8,r1c1r2c1|3,r1c2r2c2|25,r0c4r1c4r2c4r2c5|15,r2c6r2c7r3c7|28,r2c0r3c0r4c0r4c1r5c0r6c0|30,r3c1r3c2r4c2r5c1r5c2|9,r3c4r3c5r3c6|18,r4c5r4c6r4c7|10,r5c4r5c5r5c6|25,r2c8r3c8r4c8r5c8r6c8|13,r6c1r7c1|11,r6c2r7c2|43,r1c3r2c3r3c3r4c3r4c4r5c3r6c3r7c3|15,r6c4r6c5r7c4r8c4|21,r5c7r6c6r6c7|8,r7c0r8c0r8c1|30,r7c5r7c6r7c7r7c8r8c7r8c8|12,r8c2r8c3|17,r8c5r8c6", "solution": "469275831831694725752381469384926157916457382275813694698142573543769218127538946", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5717, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5719, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-24", "puzzle": "25,r0c0r0c1r0c2r1c0r2c0|10,r0c3r0c4|9,r0c5r0c6|12,r0c7r0c8|30,r1c1r1c2r1c3r2c1r2c2r3c1|0,r1c4r2c4|7,r1c5r2c5|5,r1c6r2c6|0,r1c7r1c8r2c7|0,r2c3r3c2r3c3|4,r2c8r3c8|5,r3c0r4c0|6,r4c1r4c2|0,r3c6r4c6|0,r3c7r4c7r5c7|11,r5c1r5c2|0,r3c4r3c5r4c3r4c4r5c3|0,r4c5r5c4r5c5|0,r4c8r5c8|15,r5c0r6c0|6,r6c1r6c2|14,r6c3r6c4|0,r5c6r6c5r6c6|44,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|17,r7c1r7c2r8c1|12,r7c3r7c4r7c5|10,r7c0r8c0|7,r8c2r8c3|8,r8c4r8c5", "solution": "428193657613475298597682341269751483351948726874326519742869135186534972935217864", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5719, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5720, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-07-25", "puzzle": 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"17,r0c2r0c3r1c2|13,r0c7r0c8r1c8|0,r0c0r1c0|5,r0c1r1c1|28,r0c4r0c5r0c6r1c4r1c5|7,r1c6r1c7|0,r2c0r2c1|16,r1c3r2c2r2c3|0,r2c4r2c5|12,r2c7r2c8|38,r3c0r3c1r3c2r4c0r4c2r5c0r5c2|3,r3c3r4c3|0,r3c4r3c5|11,r2c6r3c6|0,r4c4r4c5|0,r3c7r4c7r5c7|0,r3c8r4c8|10,r4c1r5c1r6c1|7,r5c3r5c4|3,r4c6r5c6|16,r6c2r6c3r6c4|13,r5c5r6c5|0,r5c8r6c8r7c8|0,r6c0r7c0r7c1r8c0r8c1|11,r7c2r7c3|17,r6c6r7c6|7,r6c7r7c7|0,r8c2r8c3|0,r7c4r7c5r8c4r8c5|0,r8c6r8c7r8c8", "solution": "548372691716894523392615784871259436453168279629437158937546812184723965265981347", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5723, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5724, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-07-25", "puzzle": "0,r0c0r0c1r1c0r1c1|0,r0c2r0c3r0c4|8,r0c5r0c6|6,r0c7r0c8|0,r1c4r1c5|17,r1c7r1c8|13,r1c2r2c1r2c2|0,r1c3r2c3r2c4|10,r1c6r2c6|11,r2c7r2c8|0,r2c0r3c0r4c0|0,r3c1r3c2r4c2|18,r3c3r3c4r4c3|0,r2c5r3c5|0,r3c6r4c6|0,r4c1r5c1|12,r3c7r4c7|0,r3c8r4c8|0,r5c2r5c3|21,r4c4r4c5r5c4r5c5|0,r5c7r5c8|0,r5c0r6c0|7,r6c1r6c2|0,r6c3r6c4|17,r5c6r6c5r6c6|11,r7c3r7c4|9,r7c5r8c5|8,r7c0r8c0|6,r7c1r8c1|0,r7c2r8c2|13,r8c3r8c4|0,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "695387124132654798874129356763812945451976283289435617916543872347298561528761439", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5724, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5725, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-07-26", "puzzle": "3,r0c3r0c4|10,r0c5r0c6|14,r0c7r0c8|16,r0c0r1c0|15,r0c1r0c2r1c1|12,r1c2r1c3r2c3|12,r1c4r1c5|5,r1c7r1c8|11,r2c1r2c2|16,r2c4r2c5|14,r1c6r2c6|5,r2c7r2c8|5,r2c0r3c0|17,r3c1r3c2|13,r3c3r3c4|6,r3c5r3c6|5,r4c0r5c0|14,r4c1r4c2r5c1|16,r4c3r4c4r4c5|15,r3c7r4c6r4c7|10,r3c8r4c8|8,r5c2r5c3|10,r5c4r5c5|10,r5c6r5c7|10,r5c8r6c8|12,r6c0r6c1|5,r6c2r7c2|12,r6c3r6c4|10,r6c6r6c7|17,r7c0r7c1|4,r7c3r7c4|17,r6c5r7c5r7c6|17,r7c7r8c6r8c7|12,r7c8r8c8|7,r8c0r8c1|13,r8c2r8c3|7,r8c4r8c5", "solution": "945123786761548923238679514389764251127835649456291378573486192892317465614952837", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5725, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5726, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-07-26", "puzzle": "9,r0c2r0c3|14,r0c4r0c5|7,r0c6r0c7|11,r0c0r1c0|11,r0c1r1c1|12,r1c5r1c6r1c7|8,r0c8r1c8|10,r2c0r2c1|19,r1c2r1c3r2c2|18,r1c4r2c3r2c4r3c3r4c3|20,r2c5r2c6r3c5|14,r2c7r2c8r3c8|17,r3c0r3c1r4c0|11,r4c1r5c1|13,r3c2r4c2r5c2|19,r3c4r4c4r5c4|16,r3c6r4c6r5c6|9,r3c7r4c7|17,r4c8r5c7r5c8|7,r5c0r6c0r6c1|18,r5c3r6c2r6c3|21,r4c5r5c5r6c4r6c5r7c4|19,r6c6r7c5r7c6|11,r6c7r6c8|10,r7c0r8c0|11,r7c1r7c2r7c3|7,r7c7r8c7|11,r7c8r8c8|17,r8c1r8c2|9,r8c3r8c4|9,r8c5r8c6", "solution": "682795341534861297917423856871549623253186974469372185126957438345218769798634512", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5726, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5727, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-07-26", "puzzle": "8,r0c0r0c1|8,r0c2r0c3|5,r1c0r1c1|34,r0c4r0c5r1c3r1c4r1c5r2c3|16,r1c6r1c7r2c7|27,r0c6r0c7r0c8r1c8r2c8|23,r1c2r2c1r2c2r3c1|19,r2c4r2c5r2c6r3c6r4c6|11,r2c0r3c0|11,r3c2r3c3|17,r3c4r3c5r4c5|24,r3c7r3c8r4c7r4c8r5c6r5c7|16,r4c0r5c0|13,r4c1r5c1r6c1|33,r4c2r5c2r6c2r6c3r6c4|18,r4c3r4c4r5c3r5c4|10,r5c8r6c8|11,r5c5r6c5|18,r6c6r6c7r7c5r7c6|6,r7c2r7c3r7c4|14,r7c7r8c7|13,r7c8r8c8|30,r6c0r7c0r7c1r8c0r8c1r8c2|15,r8c3r8c4|5,r8c5r8c6", "solution": "532687914147529638896314275314796582968152743725843169659478321471235896283961457", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5727, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5728, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2012-07-26", "puzzle": "25,r0c1r0c2r0c3r0c4r1c2|0,r0c5r0c6r1c6|10,r0c0r1c0r1c1|13,r1c3r1c4r2c3|11,r0c7r1c7|9,r0c8r1c8|0,r2c1r2c2|14,r1c5r2c4r2c5|15,r2c0r3c0|0,r3c1r3c2|11,r3c3r3c4|0,r2c6r2c7r2c8r3c6r4c6|29,r4c0r4c1r4c2r5c0r5c1r5c2|13,r4c3r4c4|4,r3c5r4c5|0,r3c7r4c7|0,r3c8r4c8|13,r6c1r6c2|26,r5c3r5c4r5c5r6c3|0,r6c4r6c5r7c5|12,r5c6r6c6|0,r5c7r5c8r6c7|7,r6c0r7c0|11,r7c2r7c3|0,r6c8r7c8|14,r7c1r8c0r8c1|13,r8c2r8c3|0,r7c4r8c4|18,r7c6r7c7r8c5r8c6|15,r8c7r8c8", "solution": "352189467169347852784625139835291674941763285627458913576914328293876541418532796", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5728, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5729, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-26", "puzzle": "15,r0c0r0c1r0c2|8,r0c7r0c8|0,r1c0r1c1r1c2r2c0|4,r0c3r1c3|15,r0c4r1c4|7,r0c5r1c5|0,r0c6r1c6r1c7r1c8|18,r2c1r2c2r2c3r3c2|12,r2c4r2c5|16,r2c6r2c7r3c7|3,r3c5r3c6|0,r2c8r3c8r4c8r5c8|22,r3c1r4c1r4c2r4c3|23,r3c3r3c4r4c4r5c4r5c5|29,r4c5r4c6r4c7r5c7|18,r3c0r4c0r5c0r6c0|0,r5c2r5c3|0,r5c1r6c1r6c2|0,r6c3r6c4|12,r5c6r6c5r6c6r6c7|15,r7c0r7c1r7c2r8c2|0,r7c3r8c3|0,r7c4r8c4|11,r7c5r8c5|0,r6c8r7c6r7c7r7c8|10,r8c0r8c1|0,r8c6r8c7r8c8", "solution": "834195762795362418621748395978531246156429873342876159587913624213654987469287531", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5729, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5730, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-07-27", "puzzle": "11,r0c0r0c1|15,r0c4r1c4|10,r0c7r0c8|12,r0c2r1c2|7,r0c3r1c3|12,r0c5r1c5|12,r0c6r1c6|13,r1c0r2c0r3c0|8,r1c1r2c1|11,r2c3r2c4r2c5|4,r1c7r2c7|19,r1c8r2c8r3c8|16,r2c2r3c2r4c2|12,r2c6r3c6r4c6|12,r3c1r4c1r5c1|9,r3c3r4c3|14,r3c4r4c4r5c4|7,r3c5r4c5|20,r3c7r4c7r5c7|9,r4c0r5c0|16,r5c2r5c3|10,r5c5r5c6|11,r4c8r5c8|5,r6c2r6c3|12,r6c4r7c4r8c4|10,r6c5r6c6|14,r6c0r7c0r8c0|17,r6c1r7c1|13,r6c7r7c7|11,r6c8r7c8r8c8|11,r8c1r8c2|18,r7c2r7c3r8c3|13,r7c5r7c6r8c5|11,r8c6r8c7", "solution": "928173564514689732673245819246591378837426195159738246792354681381962457465817923", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5730, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5731, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-07-27", "puzzle": "23,r0c1r0c2r0c3r0c4r0c5r1c1|20,r0c6r0c7r1c6|27,r0c0r1c0r2c0r2c1r2c2|6,r1c2r1c3|15,r1c4r1c5|17,r0c8r1c7r1c8|19,r2c3r2c4r3c4|11,r3c0r3c1|8,r3c2r3c3|9,r2c5r3c5|33,r2c6r2c7r3c6r3c7r4c6r4c7r5c7|15,r2c8r3c8r4c8|19,r4c0r4c1r4c2r4c3|11,r5c2r5c3r6c2|19,r4c4r4c5r5c4r6c4r7c4|13,r5c5r5c6|21,r5c0r5c1r6c0r6c1|14,r5c8r6c8r7c8|8,r7c0r8c0|23,r7c1r7c2r8c1|7,r6c3r7c3|15,r6c5r7c5|10,r6c6r6c7r7c6|13,r8c2r8c3|7,r8c4r8c5|22,r7c7r8c6r8c7r8c8", "solution": "785231946241596783639784125927145638416873592853629471172468359598317264364952817", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5731, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5732, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-07-27", "puzzle": "21,r0c0r0c1r1c0r2c0|12,r0c7r0c8r1c8r2c8|17,r1c1r1c2|11,r1c6r1c7|15,r1c3r2c2r2c3r3c2|20,r1c5r2c5r2c6r3c6|5,r2c1r3c1|11,r2c7r3c7|18,r3c0r4c0r5c0|8,r4c1r4c2|12,r3c3r4c3|45,r0c2r0c3r0c4r0c5r0c6r1c4r2c4r3c4r4c4|10,r3c5r4c5|15,r4c6r4c7|14,r3c8r4c8r5c8|17,r5c1r5c2r5c3|15,r5c5r5c6r5c7|35,r6c0r6c1r7c0r7c1r8c0r8c1r8c2|6,r5c4r6c4|41,r6c7r6c8r7c7r7c8r8c6r8c7r8c8|17,r6c2r6c3r7c2|9,r6c5r6c6r7c6|31,r7c3r7c4r7c5r8c3r8c4r8c5", "solution": "562874913398561472741239856417358269653912784829647531936725148274186395185493627", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5732, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5733, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2012-07-27", "puzzle": "19,r0c0r0c1r0c2r1c0|16,r0c4r0c5r1c5|9,r0c6r0c7|9,r1c1r1c2|11,r0c3r1c3|24,r1c6r1c7r2c7|5,r0c8r1c8|14,r2c0r2c1|0,r1c4r2c4|9,r2c5r2c6|7,r2c2r3c2|0,r2c3r3c3|32,r3c4r3c5r4c4r4c5r4c6r5c4r5c5|0,r3c6r3c7|10,r2c8r3c8|13,r3c0r4c0r5c0|0,r3c1r4c1r5c1|0,r4c2r4c3|12,r4c7r4c8|9,r5c2r6c2|11,r5c3r6c3|0,r5c6r5c7|15,r5c8r6c8|5,r6c0r6c1|0,r6c4r7c4|0,r6c5r6c6|12,r7c1r7c2|9,r7c3r8c3|0,r6c7r7c6r7c7|0,r7c8r8c8|0,r7c0r8c0r8c1r8c2|19,r7c5r8c4r8c5|6,r8c6r8c7", "solution": "712958634945263781863174592274596318639821475581437269328715946157649823496382157", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5733, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5735, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-07-28", "puzzle": 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"16,r0c3r0c4r0c5|6,r0c6r0c7|4,r0c0r1c0|20,r0c1r0c2r1c1|7,r1c2r1c3|16,r1c4r1c5r1c6|21,r0c8r1c7r1c8|17,r2c0r2c1r2c2|19,r2c4r2c5r3c5|5,r2c8r3c8|17,r3c0r3c1r4c0|14,r2c3r3c3r4c3|10,r2c6r3c6|11,r2c7r3c7|18,r3c2r4c1r4c2|20,r3c4r4c4r5c4|13,r4c6r4c7r5c6|7,r5c1r6c1|8,r5c2r6c2|12,r4c5r5c5r6c5|18,r4c8r5c7r5c8|8,r5c0r6c0|17,r5c3r6c3r6c4|11,r6c6r6c7r6c8|22,r7c0r7c1r8c0|13,r7c2r7c3r7c4|4,r7c5r7c6|18,r7c7r8c6r8c7|13,r7c8r8c8|3,r8c1r8c2|17,r8c3r8c4r8c5", "solution": "378619245154382679926547183461758932789263514235194768643975821897421356512836497", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5740, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5741, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-07-29", "puzzle": 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"0,r0c0r0c1r0c2|12,r1c1r1c2|0,r0c3r0c4r1c3|0,r0c5r0c6r1c5r1c6|0,r0c8r1c8|7,r1c0r2c0|0,r2c2r2c3r3c2|18,r1c4r2c4r2c5|32,r0c7r1c7r2c6r2c7r2c8|22,r2c1r3c0r3c1|8,r3c5r3c6|8,r4c0r4c1|16,r3c3r3c4r4c3|0,r3c7r4c7|9,r3c8r4c8|24,r4c2r5c1r5c2r5c3|25,r4c4r4c5r5c4r5c5r6c4r6c5|7,r4c6r5c6|8,r5c7r5c8|13,r5c0r6c0r6c1|0,r6c2r6c3r7c3r7c4|0,r6c6r6c7r7c6r7c7|11,r7c0r7c1|18,r7c2r8c2r8c3|0,r6c8r7c8|6,r8c0r8c1|0,r7c5r8c4r8c5r8c6|0,r8c7r8c8", "solution": "841529763539476182276138945964283571712645398385917426197362854653894217428751639", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5743, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5744, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-07-29", "puzzle": "0,r0c5r0c6|0,r0c0r0c1r1c0r1c1|13,r0c3r0c4r1c3|11,r1c4r1c5|26,r0c7r1c6r1c7r2c7r2c8|10,r0c8r1c8|0,r0c2r1c2r2c0r2c1r2c2|0,r2c3r2c4r2c5|0,r3c0r3c1r4c0|0,r3c3r3c4r4c3|19,r2c6r3c5r3c6r4c6|0,r3c7r3c8|14,r3c2r4c2r5c2|0,r4c4r4c5r5c4|9,r4c7r4c8|5,r4c1r5c1|24,r5c7r5c8r6c7r6c8|9,r5c0r6c0|19,r5c3r6c2r6c3r6c4|0,r5c5r5c6r6c5r6c6|22,r6c1r7c0r7c1r7c2r8c2|3,r7c4r8c4|18,r7c5r7c6r8c5r8c6|20,r7c7r7c8r8c7r8c8|14,r8c0r8c1|14,r7c3r8c3", "solution": "795146823163892457248735169956387241827451936431269785514678392379524618682913574", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5744, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5745, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-07-30", "puzzle": 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"11,r0c0r0c1|0,r0c3r0c5r1c3r1c5r2c3r2c4r2c5|16,r0c7r0c8|8,r1c0r1c1|0,r0c2r1c2|9,r0c4r1c4|0,r0c6r1c6|13,r1c7r1c8|6,r2c1r2c2|0,r2c6r2c7|15,r2c0r3c0|13,r3c1r3c2|0,r3c6r3c7|0,r2c8r3c8|0,r4c0r4c1r4c2|8,r3c3r4c3|9,r3c5r4c5|13,r4c6r4c7r4c8|0,r5c1r5c2r6c1|22,r3c4r4c4r5c4r6c4|16,r5c6r5c7r6c7|0,r5c0r6c0|0,r5c3r6c3|14,r5c5r6c5|11,r5c8r6c8|10,r7c0r7c1|15,r6c2r7c2|10,r6c6r7c6|9,r7c7r7c8|11,r8c0r8c1|16,r7c3r8c2r8c3|8,r7c4r8c4|15,r7c5r8c5r8c6|0,r8c7r8c8", "solution": "384251679269347158715968432876193524542786391931425786427639815198574263653812947", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5767, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5768, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-08-03", "puzzle": 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"14,r0c0r0c1r0c2|27,r0c3r0c4r0c5r0c6r1c6|22,r1c1r1c2r1c3r2c1r2c2|14,r1c4r1c5|17,r0c7r0c8r1c7r1c8|12,r1c0r2c0|18,r2c4r2c5r2c6r2c7|14,r3c0r3c1|18,r2c3r3c2r3c3|13,r3c5r3c6r3c7|9,r2c8r3c8|8,r4c0r4c1|12,r4c2r4c3|12,r4c5r4c6|8,r4c7r4c8|13,r5c0r6c0|14,r5c1r5c2r5c3|13,r3c4r4c4r5c4|20,r5c5r5c6r6c5|5,r5c7r5c8|15,r6c1r6c2r6c3r6c4|17,r6c8r7c8|18,r7c0r7c1r8c0r8c1|5,r7c3r7c4|30,r6c6r6c7r7c5r7c6r7c7|30,r7c2r8c2r8c3r8c4r8c5|7,r8c6r8c7r8c8", "solution": "329674815816395247475812693593721486268453971741968532682147359154239768937586124", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5771, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5772, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-08-04", "puzzle": "8,r0c0r0c1|0,r0c6r0c7r0c8r1c6|13,r1c0r1c1|30,r0c2r0c3r0c4r0c5r1c2r1c4|8,r1c7r1c8|10,r2c1r2c2|0,r1c3r2c3r3c3|0,r1c5r2c5r3c5r3c6|22,r2c6r2c7r3c7|0,r2c0r3c0r4c0r5c0|3,r3c1r3c2|0,r2c4r3c4|11,r2c8r3c8|0,r4c1r4c2r4c3|4,r4c7r4c8|0,r5c1r5c2r5c3|0,r4c4r5c4|31,r4c5r4c6r5c5r5c6r5c7|7,r5c8r6c8|11,r6c0r7c0r8c0|20,r6c1r7c1r8c1|17,r6c2r6c3r6c4r7c2|18,r7c3r7c4r8c4|4,r6c5r7c5|11,r6c6r7c6|21,r6c7r7c7r7c8|12,r8c2r8c3|0,r8c5r8c6r8c7r8c8", "solution": "264815739853794126719362584321456897576289413948137652182643975435971268697528341", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5772, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5773, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-08-04", "puzzle": "14,r0c0r0c1|10,r1c0r1c1r2c0r3c0|0,r0c2r0c3r0c4r1c2|24,r0c5r1c3r1c4r1c5|11,r0c6r1c6|13,r0c7r1c7|5,r0c8r1c8|15,r2c1r2c2|0,r2c3r2c4|0,r2c5r2c6|0,r2c7r2c8|16,r3c2r3c3|0,r3c4r3c5|37,r3c6r3c7r3c8r4c7r4c8r5c6r5c7r5c8|21,r3c1r4c0r4c1r5c1|13,r4c2r4c3r4c4|10,r4c5r4c6|7,r5c2r5c3|11,r5c4r5c5|5,r6c1r6c2|0,r6c3r6c4|10,r6c5r6c6|17,r6c7r6c8|0,r5c0r6c0r7c0r7c1|0,r7c2r8c2r8c3r8c4|0,r7c3r7c4r7c5r8c5|0,r7c6r8c6|0,r7c7r8c7|12,r7c8r8c8|13,r8c0r8c1", "solution": "956731482241698753378245169167983524495172836823456971732514698619827345584369217", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5773, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5774, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-08-05", "puzzle": 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"13,r0c0r0c1r0c2|15,r0c3r0c4|16,r0c5r0c6r0c7|16,r1c1r1c2r2c1|13,r1c3r1c4r1c5|15,r1c6r1c7r2c6|9,r0c8r1c8|11,r1c0r2c0|8,r2c3r2c4r3c3|11,r2c7r3c7r4c7|7,r3c0r3c1|22,r2c2r3c2r4c2|12,r3c4r4c4|16,r2c5r3c5r4c5|17,r2c8r3c8r4c8|10,r4c0r4c1|8,r3c6r4c6|7,r5c0r5c1|13,r4c3r5c2r5c3|9,r5c4r5c5|22,r5c6r5c7r5c8|11,r6c0r6c1|18,r6c2r6c3r6c4|12,r6c7r6c8r7c7|17,r7c0r7c1|12,r7c2r7c3r8c2|14,r6c5r7c4r7c5|6,r6c6r7c6|12,r7c8r8c8|11,r8c0r8c1|3,r8c3r8c4|19,r8c5r8c6r8c7", "solution": "247968351396571428815432976528149637739685214164327895471893562982756143653214789", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5814, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5813, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-08-12", "puzzle": 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"19,r0c0r0c1r1c0|10,r0c2r0c3|17,r0c4r0c5|0,r0c6r0c7r0c8|21,r1c1r1c2r2c1r2c2|10,r1c7r1c8|9,r1c3r2c3|10,r1c4r1c5r2c4|15,r1c6r2c6|9,r2c0r3c0|10,r3c1r3c2|0,r2c5r3c5|17,r2c7r2c8r3c7|0,r4c1r4c2r5c1|0,r3c3r3c4r4c3|14,r3c6r4c6r4c7|9,r3c8r4c8|8,r4c0r5c0|0,r5c2r5c3|24,r4c4r4c5r5c4r5c5|10,r5c8r6c8|0,r6c1r6c2|0,r6c3r6c4r7c4|0,r5c6r6c5r6c6|0,r5c7r6c7|12,r6c0r7c0r8c0|0,r7c2r7c3r8c2|15,r7c5r7c6|0,r7c1r8c1|5,r8c3r8c4|12,r8c5r8c6|21,r7c7r7c8r8c7r8c8", "solution": "734689215958241637162753948819372456675194823243865179497526381521938764386417592", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5817, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5820, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-08-14", "puzzle": "17,r0c2r0c3r1c2r1c3|19,r0c4r0c5r0c6|16,r0c0r0c1r1c0r1c1|9,r1c4r1c5|35,r0c7r0c8r1c6r1c7r1c8r2c7|13,r2c0r2c1|5,r2c2r2c3|15,r2c4r3c4|13,r2c5r2c6r3c5r3c6|17,r3c7r4c7|12,r2c8r3c8r4c8|11,r3c0r4c0|27,r3c1r3c2r3c3r4c1r4c2|19,r4c3r4c4r5c4|6,r4c5r4c6|11,r5c0r5c1|15,r5c2r5c3r6c3|19,r5c7r5c8r6c7r6c8|9,r6c1r6c2r7c2|10,r5c6r6c6|36,r6c0r7c0r7c1r8c0r8c1r8c2|12,r7c3r8c3|18,r5c5r6c4r6c5r7c4r7c5|14,r7c6r8c6|11,r8c4r8c5|16,r7c7r7c8r8c7r8c8", "solution": "275169438168354972493287165519673284647821593382495716821946357736512849954738621", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5820, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5819, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-08-14", "puzzle": 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"14,r0c0r0c1r1c0|12,r0c2r0c3|18,r0c5r0c6r1c6|17,r0c7r0c8r1c7r2c7|8,r0c4r1c4|13,r1c1r2c1|16,r1c2r2c2r3c2|25,r1c3r2c3r3c3r4c3r5c3r5c4|6,r1c5r2c5|8,r1c8r2c8|10,r2c0r3c0r3c1|11,r2c4r3c4|14,r2c6r3c6|20,r3c7r3c8r4c8|12,r4c1r4c2|31,r3c5r4c4r4c5r5c5r5c6|3,r4c6r4c7|27,r4c0r5c0r6c0r7c0r8c0|18,r5c1r5c2r6c1|10,r5c7r5c8|7,r6c3r6c4|25,r6c5r7c5r7c6r8c5r8c6r8c7|22,r6c6r6c7r7c7|25,r6c2r7c1r7c2r7c3r8c1|15,r6c8r7c8r8c8|9,r8c2r8c3|9,r7c4r8c4", "solution": "143927856972865341568341927326174589457698213819253764281439675635712498794586132", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5821, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5822, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2012-08-14", "puzzle": 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"20,r0c0r0c1r0c2r0c3|22,r0c5r0c6r0c7r0c8|4,r1c2r1c3|11,r0c4r1c4|13,r1c5r1c6|11,r1c0r2c0|0,r1c1r2c1|0,r1c7r2c7|6,r1c8r2c8|11,r2c2r3c2|0,r2c3r3c3|6,r2c4r3c4|0,r2c5r3c5|11,r2c6r3c6|4,r3c0r4c0|0,r3c1r4c1r4c2|0,r3c7r4c6r4c7|0,r3c8r4c8|13,r5c0r5c1|0,r4c3r4c4r4c5r5c3r5c4r5c5|7,r5c7r5c8|20,r6c0r6c1r7c0|0,r5c2r6c2r6c3|9,r5c6r6c5r6c6|16,r6c7r6c8r7c8|0,r7c1r7c2r7c3|0,r6c4r7c4r8c4|0,r7c5r7c6r7c7|0,r8c0r8c1|9,r8c2r8c3|0,r8c5r8c6|9,r8c7r8c8", "solution": "618534729273189465954627381127345896346298517589761234492876153731952648865413972", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5823, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5824, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-08-15", "puzzle": "3,r0c0r0c1|9,r0c4r1c4|16,r0c6r0c7r0c8|19,r0c2r0c3r1c2|15,r0c5r1c5|12,r1c6r1c7r1c8|16,r1c0r2c0|15,r1c1r2c1r3c1|9,r1c3r2c3|10,r2c4r2c5r2c6|10,r2c7r2c8|6,r2c2r3c2|8,r3c5r3c6|17,r3c0r4c0r5c0|9,r4c1r4c2|10,r3c3r4c3r5c3|11,r4c5r4c6|10,r3c7r4c7r5c7|17,r3c8r4c8r5c8|12,r5c2r6c2|24,r3c4r4c4r5c4|10,r5c5r5c6|6,r6c0r7c0|20,r5c1r6c1r7c1|15,r6c3r7c3|8,r6c4r6c5r6c6|17,r6c7r6c8|17,r7c2r8c2r8c3|13,r7c5r8c5|12,r7c6r7c7r7c8|6,r8c0r8c1|9,r7c4r8c4|14,r8c6r8c7r8c8", "solution": "126947583734658912985321746841572639672493851359186427463715298297834165518269374", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5824, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5825, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-08-15", "puzzle": "15,r0c1r0c2|20,r0c3r0c4r0c5|3,r0c6r0c7|9,r0c0r1c0r2c0|38,r1c2r1c3r1c4r1c5r1c6r2c2r2c6|14,r0c8r1c8r2c8|12,r1c1r2c1|17,r2c3r2c4r2c5r3c4|12,r1c7r2c7|12,r3c0r3c1|10,r3c2r3c3r4c2|12,r3c5r3c6r4c6|15,r3c7r3c8|10,r4c0r4c1|16,r4c3r4c4r4c5|10,r4c7r4c8|12,r5c0r5c1r6c0|33,r5c2r5c3r5c4r5c5r5c6|12,r5c7r5c8r6c8|16,r6c1r6c2r7c1r8c1|9,r6c3r7c2r7c3|14,r6c4r7c4|22,r6c5r7c5r7c6|22,r6c6r6c7r7c7r8c7|13,r7c0r8c0|22,r8c2r8c3r8c4r8c5r8c6|5,r7c8r8c8", "solution": "496578123271643985358921746934152678825736419167894532513489267742365891689217354", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5825, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5826, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-08-15", "puzzle": "37,r0c0r0c1r0c2r0c3r1c0r1c1r2c0r3c0|31,r0c5r0c6r0c7r0c8r1c7r2c7|11,r0c4r1c3r1c4|8,r1c5r1c6|15,r1c2r2c1r2c2|14,r2c3r2c4|18,r2c5r2c6r3c5|15,r3c3r3c4r4c3|24,r3c6r3c7r4c6r4c7|17,r3c1r4c0r4c1|4,r3c2r4c2|25,r1c8r2c8r3c8r4c8|17,r4c4r4c5r5c4r5c5|3,r5c7r5c8|36,r5c0r6c0r7c0r7c1r7c2r8c0|7,r5c1r6c1|22,r5c2r5c3r6c2|19,r6c3r6c4r7c3r7c4|11,r5c6r6c5r6c6|16,r8c1r8c2r8c3r8c4|12,r7c5r8c5|43,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "175329864698451732234867519421596378783142956569783421816975243347218695952634187", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5826, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5827, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-08-15", "puzzle": "19,r0c0r0c1r1c0r1c1|0,r0c4r0c5|22,r0c6r0c7r0c8|9,r0c2r1c2|0,r0c3r1c3|6,r1c4r1c5|0,r1c6r1c7r1c8r2c6|16,r2c0r2c1|18,r2c2r2c3r3c2|7,r3c0r3c1|0,r2c4r3c3r3c4r4c2r4c3r4c4|12,r2c5r3c5|16,r2c7r3c7r4c7r5c7|10,r2c8r3c8|11,r3c6r4c6|10,r4c0r5c0|9,r4c1r5c1|0,r5c2r5c3|0,r4c5r5c4r5c5|0,r4c8r5c8|12,r6c3r6c4|0,r5c6r6c5r6c6|39,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|11,r6c0r7c0r8c0|25,r6c1r6c2r7c1r8c1|0,r7c2r7c3r7c4r7c5|0,r8c2r8c3|0,r8c4r8c5", "solution": "624713589835942176971865342169437258742158963358629714587394621213586497496271835", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5827, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5828, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-08-15", "puzzle": 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"24,r0c0r0c1r1c0r1c1|12,r0c5r0c6|14,r0c7r0c8r1c8|11,r0c2r1c2|18,r0c3r1c3r2c3|14,r0c4r1c4r1c5r2c4|18,r1c6r1c7r2c7|9,r2c1r2c2|9,r2c8r3c8|11,r2c0r3c0r4c0|17,r3c3r3c4|16,r2c5r2c6r3c5r3c6|9,r3c1r4c1|14,r3c2r4c2r5c2|7,r4c5r5c5|27,r3c7r4c6r4c7r4c8|12,r5c0r5c1|14,r4c3r4c4r5c3r5c4|14,r5c6r5c7r5c8|13,r6c3r6c4r6c5|7,r6c6r7c6|8,r6c7r6c8|20,r6c1r6c2r7c1r7c2|12,r7c3r8c3|3,r7c4r7c5|24,r7c7r7c8r8c7r8c8|25,r6c0r7c0r8c0r8c1r8c2|23,r8c4r8c5r8c6", "solution": "395618427486372915127945386264897153831254769579163842958436271643721598712589634", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5840, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5841, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-08-18", "puzzle": 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"16,r0c2r0c3|6,r0c4r0c5|18,r0c0r0c1r1c0r1c1|13,r1c4r1c5|21,r0c6r0c7r1c6r1c7|14,r0c8r1c8r2c8|16,r1c2r1c3r2c2|8,r2c3r2c4|15,r2c5r2c6|5,r2c0r3c0|13,r2c1r3c1r3c2|34,r3c3r3c4r3c5r3c6r4c3r4c4r4c5|9,r2c7r3c7|7,r4c1r4c2|7,r4c6r5c6|26,r3c8r4c7r4c8r5c8|20,r4c0r5c0r5c1r6c1|14,r5c4r5c5|24,r5c2r5c3r6c2r6c3r6c4|8,r6c5r6c6|16,r5c7r6c7r7c7|21,r6c0r7c0r8c0|13,r7c2r7c3r7c4|14,r6c8r7c8r8c8|11,r7c1r8c1|15,r8c2r8c3|15,r7c5r7c6r8c4r8c5|6,r8c6r8c7", "solution": "369751824278349651415628739193874562852136497647295318924567183531482976786913245", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5846, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5848, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-08-19", "puzzle": 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"15,r0c0r0c1r1c0r1c1|0,r0c5r0c6r0c7|14,r0c2r1c2|17,r0c3r0c4r1c3|3,r1c6r1c7|0,r0c8r1c8|0,r1c4r1c5r2c4|0,r2c5r2c6r2c7|3,r2c0r3c0|26,r2c1r2c2r2c3r3c1|0,r3c2r4c2r5c2|15,r3c3r4c3r5c3|7,r3c4r3c5|19,r3c6r4c6r5c6|0,r2c8r3c7r3c8|0,r4c0r4c1|0,r4c4r4c5|7,r4c7r4c8|0,r5c0r6c0|30,r5c1r6c1r6c2r6c3|11,r5c4r5c5|0,r5c7r5c8r6c8|16,r6c4r7c4r7c5|9,r6c5r6c6r6c7|5,r7c2r8c2|15,r7c3r8c3r8c4|6,r7c6r7c7|12,r7c8r8c8|22,r7c0r7c1r8c0r8c1|19,r8c5r8c6r8c7", "solution": "715482396439576128286319745193625487847193652562847931378951264624738519951264873", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5847, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5851, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-08-20", "puzzle": "21,r0c0r0c1r1c0r1c1|17,r0c5r0c6r0c7|15,r0c2r1c2|17,r0c3r0c4r1c3|13,r1c6r1c7|3,r0c8r1c8|4,r2c0r2c1|15,r2c2r2c3r3c2|13,r1c4r1c5r2c4r2c5|21,r2c6r2c7r2c8|18,r3c0r3c1r4c0|3,r3c5r3c6|15,r4c1r4c2r5c1r5c2|21,r3c3r3c4r4c3|10,r4c4r4c5r5c4|11,r3c7r4c7|11,r3c8r4c8|10,r5c3r6c3|35,r4c6r5c5r5c6r6c4r6c5r6c6|16,r5c0r6c0r7c0|22,r5c7r5c8r6c7r6c8|11,r6c1r7c1|17,r6c2r7c2r8c2|6,r7c3r7c4|21,r7c5r7c6r8c5r8c6|9,r8c0r8c1|10,r8c3r8c4|20,r7c7r7c8r8c7r8c8", "solution": "267489351948531762315627984574862193693714528821953476732196845189245637456378219", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5851, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5849, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-08-20", "puzzle": "12,r0c0r0c1r0c2|8,r0c3r1c3|13,r0c4r0c5r0c6|15,r1c0r1c1|15,r1c4r1c5|14,r0c7r1c7|8,r0c8r1c8|13,r1c2r2c1r2c2|15,r2c4r2c5|4,r1c6r2c6|12,r2c7r2c8|8,r2c0r3c0|15,r3c1r3c2r4c2|3,r2c3r3c3|12,r3c6r3c7|19,r4c0r4c1r5c0|13,r4c3r5c3|13,r3c4r4c4r5c4|14,r3c5r4c5|16,r3c8r4c7r4c8|8,r5c1r5c2|5,r5c5r6c5|8,r4c6r5c6r5c7|14,r5c8r6c8|7,r6c0r6c1|13,r6c2r7c2|11,r6c3r6c4|16,r6c6r6c7r7c6|6,r7c0r8c0|12,r7c1r8c1|9,r7c3r7c4|15,r7c7r7c8|24,r8c2r8c3r8c4|6,r7c5r8c5|9,r8c6r8c7r8c8", "solution": "183524796964387152572169384359216847741958263826473519618742935295631478437895621", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5849, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5850, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-08-20", "puzzle": 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"0,r0c5r0c6r0c7|21,r0c0r0c1r1c0|0,r0c2r1c1r1c2r2c0r2c1|9,r0c3r1c3|10,r0c4r1c4r2c4|22,r1c5r1c6r2c5|19,r0c8r1c7r1c8r2c8|0,r2c2r2c3r3c2|12,r2c6r2c7|8,r3c0r3c1|8,r3c5r3c6|16,r3c7r3c8|17,r4c0r4c1r4c2|0,r3c3r3c4r4c3|14,r4c6r4c7|28,r4c4r4c5r5c4r5c5r5c6r6c5|0,r4c8r5c7r5c8r6c8|9,r5c0r6c0r7c0|0,r5c1r5c2r6c1|0,r5c3r6c3|0,r6c2r7c2|8,r6c4r7c4|20,r6c6r6c7r7c6|20,r7c1r8c0r8c1r8c2|16,r7c3r8c3|0,r7c5r8c4r8c5r8c6|0,r7c7r7c8r8c7r8c8", "solution": "769523814832419567541678932354186279917245683286397145673852491128934756495761328", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5852, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5853, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-08-20", "puzzle": "8,r0c0r0c1|13,r0c2r0c3|14,r1c0r1c1r1c2|21,r0c4r1c3r1c4|0,r0c5r1c5r2c5|0,r0c6r1c6|16,r0c7r1c7|12,r0c8r1c8r2c8|13,r2c0r2c1|14,r2c3r2c4|0,r2c6r2c7|18,r3c0r3c1r4c1|4,r2c2r3c2|17,r3c5r3c6r3c7r4c6|0,r4c0r5c0|10,r3c3r4c3|0,r3c4r4c4r5c4|0,r4c5r5c5|0,r3c8r4c8|19,r4c2r5c1r5c2r5c3|7,r5c6r6c6|0,r4c7r5c7r5c8|0,r6c1r6c2|0,r6c4r6c5|8,r6c7r6c8|0,r6c0r7c0r8c0|7,r7c1r8c1|12,r7c2r8c2|9,r6c3r7c3r8c3|0,r7c4r7c5r8c4|0,r7c6r7c7r7c8|17,r8c5r8c6|11,r8c7r8c8", "solution": "359482671482761593761953248923814756674235189518697432296548317835176924147329865", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5853, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5854, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-08-21", "puzzle": "16,r0c1r0c2r1c1|11,r0c7r0c8r1c8|9,r0c0r1c0|5,r1c2r2c2|18,r0c3r0c4r1c3|19,r0c5r1c4r1c5|15,r0c6r1c6r1c7|8,r2c3r2c4r2c5|15,r2c0r3c0|11,r2c1r3c1|13,r3c2r4c2|15,r2c6r3c6|18,r2c7r3c7r4c7|7,r2c8r3c8r4c8|14,r3c3r4c3r5c3|18,r3c4r4c4r5c4|13,r3c5r4c5r5c5|11,r4c0r5c0r6c0|15,r4c1r5c1r6c1|10,r5c2r6c2|7,r4c6r5c6|12,r5c7r6c7|16,r5c8r6c8|17,r6c3r6c4r6c5|13,r7c1r7c2r8c2|21,r7c3r7c4r8c3|7,r7c5r8c4r8c5|8,r6c6r7c6|13,r7c8r8c8|17,r7c0r8c0r8c1|13,r7c7r8c6r8c7", "solution": "417869523582437916693215874928643751745198362361752489159386247234571698876924135", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5854, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5855, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-08-21", "puzzle": 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"20,r0c0r0c1r1c0r1c1|5,r0c5r0c6|0,r0c2r0c3r0c4r1c2r1c3r1c4|0,r1c5r1c6|28,r0c7r1c7r2c7r2c8r3c7r3c8|0,r0c8r1c8|10,r2c0r2c1|0,r2c2r2c3r2c4|8,r3c2r3c3|44,r2c5r3c4r3c5r4c4r4c5r5c4r5c5r6c5|11,r2c6r3c6|18,r3c0r4c0r5c0|0,r3c1r4c1r5c1|16,r4c2r4c3|10,r4c6r4c7r4c8|14,r5c2r5c3|12,r5c6r6c6|17,r6c0r6c1|7,r6c2r6c3r6c4|32,r7c2r7c3r7c4r8c2r8c3r8c4|13,r7c5r7c6|32,r5c7r5c8r6c7r6c8r7c7r8c7|0,r7c8r8c8|0,r7c0r7c1r8c0r8c1|0,r8c5r8c6", "solution": "298671435541328679376549281637182954829754316415936728982417563163295847754863192", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5862, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5864, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-08-23", "puzzle": "19,r0c4r0c5r0c6|13,r0c7r0c8|10,r0c0r1c0|11,r0c1r1c1r2c1|21,r0c2r1c2r2c2|10,r0c3r1c3|10,r1c6r1c7r1c8|14,r1c4r2c3r2c4|9,r1c5r2c5r3c5|15,r2c7r2c8|8,r2c0r3c0|8,r2c6r3c6r4c6|9,r3c7r3c8|13,r3c1r3c2r4c1|16,r3c4r4c4r5c4|23,r4c7r4c8r5c8|9,r4c0r5c0|12,r4c2r5c2|18,r3c3r4c3r5c3|10,r4c5r5c5|14,r5c1r6c1r6c2|16,r6c3r6c4r6c5|8,r5c6r5c7r6c7|12,r6c0r7c0|15,r7c4r7c5|24,r6c6r7c6r8c6|11,r6c8r7c8|18,r7c1r8c0r8c1|8,r7c2r7c3r8c2|13,r8c3r8c4r8c5|8,r7c7r8c7r8c8", "solution": "127385694948716253356942187584691372213857469769423518471538926832169745695274831", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5864, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5863, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-08-22", "puzzle": "0,r0c0r0c1r0c2r1c0r1c1r1c2|14,r0c3r0c4|0,r0c7r0c8|11,r1c3r1c4|0,r0c5r0c6r1c5|3,r1c6r1c7|0,r2c5r2c6|14,r1c8r2c8|10,r2c0r2c1r3c0|0,r2c2r2c3r3c2|0,r2c4r3c3r3c4|0,r3c5r3c6|0,r2c7r3c7r3c8|0,r3c1r4c1r5c1|14,r4c2r4c3r4c4r4c5|11,r4c0r5c0|11,r5c2r5c3|8,r5c4r5c5|0,r4c6r5c6r6c6|21,r4c7r5c7r6c7r7c7|7,r4c8r5c8|0,r6c4r6c5r7c4r7c5|15,r6c8r7c8|16,r6c0r7c0|22,r6c1r6c2r6c3r7c1|21,r7c2r7c3r8c2r8c3|3,r8c0r8c1|12,r8c4r8c5|11,r7c6r8c6|12,r8c7r8c8", "solution": "816592734497836215253417869371689452682354971549271386734965128968123547125748693", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5863, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5867, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-08-23", "puzzle": "0,r0c3r0c4r1c3|6,r0c5r0c6|22,r0c0r0c1r0c2r1c0r2c0|0,r1c4r1c5|8,r0c7r1c7|10,r0c8r1c8|15,r1c1r1c2r2c1|0,r2c2r2c3r3c2r3c3|15,r1c6r2c6|0,r2c4r3c4|0,r2c5r3c5r3c6|0,r2c7r3c7|0,r2c8r3c8|13,r3c0r3c1r4c0|11,r4c2r4c3|18,r4c4r4c5r5c4r5c5|6,r4c6r4c7|0,r4c1r5c1|20,r5c2r5c3r6c3|7,r4c8r5c8|12,r5c0r6c0|0,r6c1r6c2|13,r5c6r6c5r6c6|23,r5c7r6c7r6c8|9,r7c0r7c1|0,r7c2r7c3|5,r6c4r7c4|20,r7c5r7c6r8c6|13,r8c0r8c1|11,r8c2r8c3|10,r8c4r8c5|15,r7c7r7c8r8c7r8c8", "solution": "674985132391274658258163947413758296827496513569321784735812469182649375946537821", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5867, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5865, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-08-23", "puzzle": 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"7,r0c1r0c2|10,r0c4r0c5|14,r0c6r0c7r0c8|13,r0c0r1c0r2c0|9,r1c1r1c2|14,r0c3r1c3|18,r1c4r1c5r1c6|7,r1c7r1c8|9,r2c3r2c4|4,r2c5r2c6|23,r2c7r2c8r3c7|10,r2c1r3c1|15,r2c2r3c2|13,r3c5r3c6|20,r3c0r4c0r5c0|5,r4c1r4c2|6,r3c3r4c3|22,r3c4r4c4r5c4|7,r4c5r5c5|12,r4c6r4c7|6,r3c8r4c8r5c8|9,r5c2r5c3|13,r5c6r6c6|5,r5c7r6c7|14,r5c1r6c0r6c1|16,r6c2r6c3|6,r6c4r6c5|15,r7c0r7c1|11,r7c2r7c3r7c4|13,r7c5r8c5|5,r7c6r7c7|24,r6c8r7c8r8c8|8,r8c0r8c1r8c2|12,r8c3r8c4|10,r8c6r8c7", "solution": "643819275581672934297543186418257693932486751756391842369724518874165329125938467", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5869, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5872, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-08-24", "puzzle": 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"9,r0c0r0c1r1c1|0,r0c7r0c8r1c7|10,r0c2r1c2|13,r0c3r1c3|19,r0c4r1c4r2c4r3c4|0,r0c5r1c5|9,r0c6r1c6|19,r1c0r2c0r2c1|11,r2c2r2c3r3c3|14,r2c5r2c6r3c5|12,r1c8r2c7r2c8|7,r3c0r3c1|0,r3c7r3c8|27,r4c0r4c1r5c0r5c1|0,r3c2r4c2|34,r4c3r4c4r4c5r5c3r5c4r5c5|0,r3c6r4c6|12,r4c7r4c8r5c7r5c8|0,r5c2r6c1r6c2|0,r6c3r6c4r6c5r7c3r7c5|0,r5c6r6c6r6c7|5,r6c0r7c0|11,r7c1r7c2|0,r7c6r7c7|0,r6c8r7c8|8,r8c0r8c1|12,r8c2r8c3|0,r7c4r8c4|5,r8c5r8c6|12,r8c7r8c8", "solution": "352918467918467523647352918524173896831649752796825341479231685183596274265784139", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5878, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5877, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2012-08-25", "puzzle": 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"15,r0c0r0c1|15,r0c2r0c3r1c2r1c3|16,r0c5r0c6r1c5r1c6|8,r0c7r0c8|29,r1c0r1c1r2c0r2c1r2c2r3c1|14,r0c4r1c4|29,r1c7r1c8r2c6r2c7r2c8r3c7|19,r2c3r2c4r2c5|22,r3c2r3c3r3c4r3c5r3c6|11,r3c0r4c0|18,r4c1r4c2r5c2|19,r4c6r4c7r5c6|7,r3c8r4c8|10,r5c0r5c1r6c0|7,r4c3r5c3|10,r4c4r5c4|15,r4c5r5c5|20,r5c7r5c8r6c8|4,r6c2r6c3|10,r6c5r6c6|16,r6c1r7c0r7c1|20,r7c2r7c3r8c2|7,r6c4r7c4|17,r7c5r7c6r8c6|16,r6c7r7c7r7c8|10,r8c0r8c1|13,r8c3r8c4r8c5|8,r8c7r8c8", "solution": "967482153243165897158973264892634715376518942415297638581326479624759381739841526", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5881, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5882, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-08-26", "puzzle": "0,r0c4r0c5|16,r0c6r0c7r1c7|12,r0c0r1c0|4,r0c1r1c1|15,r0c2r0c3r1c2|13,r1c3r1c4r2c4|17,r0c8r1c8r2c8r3c8|6,r2c0r2c1|16,r2c2r2c3|0,r1c5r2c5r3c5r3c6|0,r1c6r2c6|0,r3c3r3c4|12,r2c7r3c7|11,r3c0r4c0|20,r3c1r4c1r5c1|0,r3c2r4c2|27,r4c3r4c4r5c3r5c4r6c3r6c4|0,r5c6r6c6r7c6r7c7|0,r4c6r4c7r5c7|8,r4c8r5c8|21,r5c0r6c0r6c1|7,r5c2r6c2|0,r4c5r5c5r6c5|5,r6c7r6c8|20,r7c0r7c1r8c0r8c1r8c2|0,r7c2r7c3r8c3|18,r7c4r7c5r8c4r8c5|11,r8c6r8c7|16,r7c8r8c8", "solution": "536189742718342956249765138357628491861934275492517683985276314673451829124893567", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5882, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5884, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-08-27", "puzzle": "9,r0c2r0c3r1c2|16,r0c5r0c6|5,r0c7r0c8|10,r0c0r1c0|17,r0c1r1c1|9,r0c4r1c3r1c4|12,r1c5r1c6|21,r1c7r1c8r2c8|15,r2c0r2c1r3c0|13,r2c5r3c5|16,r2c6r2c7r3c6|12,r2c2r3c1r3c2|14,r2c3r2c4r3c3|8,r3c7r3c8|8,r4c0r4c1|15,r4c2r4c3|12,r3c4r4c4r5c4|3,r4c5r4c6|11,r4c7r4c8|21,r5c1r5c2r6c2|21,r5c3r6c3r6c4|8,r5c7r5c8|7,r5c0r6c0r6c1|9,r5c5r6c5|16,r5c6r6c6r6c7|16,r7c0r8c0|9,r7c1r8c1|14,r7c3r7c4r8c4|7,r7c5r7c6|17,r6c8r7c7r7c8|16,r7c2r8c2r8c3|5,r8c5r8c6|13,r8c7r8c8", "solution": "481569732693127548527348619814735926356982174279416853145893267768254391932671485", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5884, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5883, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-08-26", "puzzle": 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"17,r0c0r0c1|7,r0c3r0c4r0c5|13,r0c7r0c8|15,r0c2r1c2r1c3|22,r0c6r1c5r1c6|11,r1c0r1c1r2c0|8,r2c2r2c3|6,r2c5r2c6|14,r1c7r1c8r2c8|12,r2c1r3c0r3c1|15,r3c2r3c3|20,r1c4r2c4r3c4|11,r3c5r3c6|9,r2c7r3c7r3c8|14,r4c0r5c0|12,r4c1r5c1|24,r4c2r4c3r5c2r6c2r7c2|24,r4c5r4c6r5c6r6c6r7c6|16,r4c7r5c7|9,r4c8r5c8|16,r6c0r6c1r7c1r8c1|9,r5c3r6c3|15,r4c4r5c4r6c4|7,r5c5r6c5|16,r6c7r6c8r7c7r8c7|19,r7c3r7c4r7c5|8,r7c0r8c0|23,r8c2r8c3r8c4r8c5r8c6|13,r7c8r8c8", "solution": "893142567615738942472695138326987415547321896981564273259473681134856729768219354", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5875, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5885, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-08-27", "puzzle": 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"13,r0c1r0c2|6,r0c6r0c7|7,r1c1r1c2|26,r0c3r0c4r0c5r1c3r1c4r1c5|17,r1c6r1c7|11,r0c8r1c8|13,r2c1r3c1|22,r2c2r2c3r3c2r3c3|11,r2c5r2c6|17,r0c0r1c0r2c0r3c0|13,r2c4r3c4|21,r3c5r3c6r4c5r5c5r5c6|9,r2c7r3c7|22,r2c8r3c8r4c8r5c8r6c8|15,r4c0r4c1|8,r4c2r4c3r4c4|12,r4c6r4c7|22,r5c0r6c0r7c0r8c0|14,r5c4r6c4|14,r5c7r6c7|8,r5c1r6c1|19,r5c2r5c3r6c2r6c3|10,r6c5r6c6|8,r7c1r7c2|28,r7c3r7c4r7c5r8c3r8c4r8c5|12,r7c6r7c7|12,r7c8r8c8|8,r8c1r8c2|7,r8c6r8c7", "solution": "967813425143275986258694731581749362694132578372586194419368257726951843835427619", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5891, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5896, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-08-29", "puzzle": 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"7,r0c0r0c1r0c2|18,r0c4r0c5r0c6|0,r1c0r1c1|0,r0c3r1c3|0,r1c5r1c6|17,r0c7r0c8r1c7r1c8|17,r1c2r2c2r3c2|0,r1c4r2c3r2c4|6,r2c7r3c7|11,r2c0r3c0|0,r2c1r3c1|0,r2c5r2c6r3c5r3c6|14,r2c8r3c8r4c8|0,r4c0r4c1|7,r4c2r5c2|0,r3c3r3c4r4c3r4c4r4c5r5c3r5c4r5c5|18,r4c6r4c7r5c6|11,r5c0r5c1|11,r5c7r5c8|11,r6c3r6c4|15,r6c5r6c6r6c7|34,r6c0r6c1r6c2r7c1r7c2r8c2|6,r7c3r8c3|13,r7c4r8c4|4,r7c5r7c6|0,r7c7r8c7|12,r6c8r7c8r8c8|11,r7c0r8c0r8c1|12,r8c5r8c6", "solution": "124957638378426915596831724613785249985642371742319856831294567469573182257168493", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5893, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5895, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-08-29", "puzzle": "13,r0c2r0c3r0c4|26,r0c0r0c1r1c0r1c1|7,r1c3r1c4|20,r0c5r0c6r1c5|7,r1c6r1c7|14,r0c7r0c8r1c8|12,r1c2r2c1r2c2|18,r2c3r2c4r2c5|14,r2c6r2c7|8,r2c0r3c0r4c0|17,r3c3r3c4r4c3|6,r3c5r3c6|9,r2c8r3c8|15,r3c1r4c1|14,r3c2r4c2r5c2|16,r3c7r4c6r4c7r4c8|13,r5c0r5c1r6c0|25,r4c4r4c5r5c4r5c5|23,r5c6r5c7r6c5r6c6r7c5|11,r5c3r6c3|11,r5c8r6c7r6c8|6,r6c1r7c1|15,r6c2r7c2|18,r6c4r7c3r7c4r8c4|23,r7c7r7c8r8c7r8c8|18,r7c0r8c0r8c1|7,r8c2r8c3|19,r7c6r8c5r8c6", "solution": "826435719793168254145792863279381546581649372364257198458973621617824935932516487", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5895, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5894, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-08-29", "puzzle": 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"12,r0c0r0c1r1c1|14,r0c7r0c8r1c7|7,r0c2r1c2|15,r0c3r1c3|6,r0c4r1c4|15,r0c5r1c5|8,r0c6r1c6|30,r1c0r2c0r2c1r3c0r4c0|24,r2c2r2c3r2c4r2c5r2c6|19,r1c8r2c7r2c8r3c8r4c8|21,r3c2r3c3r3c4r3c5r3c6|13,r3c1r4c1|32,r4c2r4c3r4c4r4c5r4c6r5c4|12,r3c7r4c7|19,r5c2r5c3r6c3|12,r5c5r5c6r6c5|16,r5c0r5c1r6c0|8,r6c1r6c2|7,r6c6r6c7|24,r5c7r5c8r6c8|12,r7c1r7c2|8,r6c4r7c4|10,r7c6r7c7|16,r7c0r8c0r8c1r8c2|24,r7c3r7c5r8c3r8c4r8c5|21,r7c8r8c6r8c7r8c8", "solution": "132948765485627139697153824861594273379286451254731698926815347548372916713469582", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5901, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5905, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-08-31", "puzzle": "16,r0c0r0c1|11,r0c2r0c3|3,r0c5r0c6|24,r0c7r0c8r1c7r1c8|9,r1c0r1c1|10,r0c4r1c4|10,r1c5r1c6|3,r1c2r2c2|7,r1c3r2c3|13,r2c7r3c7|9,r2c8r3c8|18,r2c0r2c1r3c0r4c0|16,r3c1r3c2|27,r2c4r2c5r2c6r3c6r4c6|26,r4c3r4c4r5c3r5c4|19,r3c3r3c4r3c5r4c5r5c5|7,r4c7r4c8|11,r4c1r5c0r5c1|11,r4c2r5c2|11,r5c6r5c7|15,r5c8r6c8|9,r6c3r6c4|11,r6c5r7c5|11,r6c6r6c7|28,r6c0r6c1r6c2r7c2r8c2|17,r7c3r7c4r8c3|4,r7c7r8c7|9,r7c8r8c8|17,r7c0r7c1r8c0r8c1|23,r7c6r8c4r8c5r8c6", "solution": "976532148451678293382149657597461382248793561163285479735814926629357814814926735", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5905, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5903, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-08-30", "puzzle": 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"5,r0c0r1c0|11,r0c1r1c1|24,r0c2r0c3r1c2|29,r0c4r1c3r1c4r1c5r2c4|11,r0c5r0c6r1c6|8,r0c7r1c7|9,r0c8r1c8|15,r2c0r2c1r3c0|19,r2c7r2c8r3c8|13,r2c2r3c1r3c2|10,r2c6r3c6r3c7|19,r2c3r3c3r4c2r4c3|11,r3c4r4c4r5c4|20,r2c5r3c5r4c5r4c6|25,r4c0r4c1r5c0r5c1|22,r4c7r4c8r5c7r5c8|16,r6c0r6c1|7,r5c2r6c2|21,r5c3r5c5r6c3r6c4r6c5|9,r5c6r6c6|11,r6c7r6c8|20,r7c3r7c4r7c5|5,r7c0r8c0|10,r7c1r7c2r8c1|28,r8c2r8c3r8c4r8c5r8c6|17,r7c6r7c7r8c7|10,r7c8r8c8", "solution": "469832157157496832823571694582947316674153928931628475796214583245389761318765249", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5906, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5908, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2012-08-31", "puzzle": "17,r0c0r0c1r0c2r1c0|16,r0c4r0c5|0,r1c1r1c2r2c2|4,r0c3r1c3|0,r1c4r1c5|17,r0c6r1c6r2c6|12,r0c7r1c7|13,r0c8r1c8r2c8|13,r2c0r2c1r3c0|0,r3c1r3c2|9,r2c3r3c3|27,r2c4r3c4r4c4r5c4r6c4|10,r2c5r3c5|0,r2c7r3c7r3c8|0,r4c0r4c1|0,r4c2r4c3r5c2|0,r3c6r4c5r4c6|0,r4c7r4c8|8,r5c0r5c1r6c1|0,r5c3r6c3|7,r5c5r6c5|0,r5c6r5c7|22,r5c8r6c7r6c8|0,r6c0r7c0r8c0|12,r7c1r8c1|9,r6c2r7c2r8c2|8,r7c3r7c4|0,r7c5r8c5|13,r6c6r7c6r7c7|5,r8c3r8c4|18,r7c8r8c6r8c7r8c8", "solution": "456397281238156947197482635369548712874621593512973468721864359943715826685239174", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5908, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5907, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-08-31", "puzzle": "11,r0c0r0c1|16,r0c3r0c4r0c5r0c6|19,r1c0r1c1r2c1r2c2|10,r0c2r1c2|7,r1c5r1c6|10,r0c7r1c7|18,r0c8r1c8r2c8|0,r1c3r2c3r3c3|0,r1c4r2c4|0,r2c5r2c6|0,r2c0r3c0|0,r3c5r3c6|13,r2c7r3c7r3c8|18,r3c1r4c0r4c1|12,r3c2r4c2r4c3|19,r3c4r4c4r5c4|0,r4c5r4c6r5c6|22,r4c7r4c8r5c7|15,r5c0r5c1r6c1|0,r5c2r5c3|3,r5c8r6c8|0,r6c2r6c3|0,r6c4r7c4|0,r5c5r6c5r7c5|16,r6c0r7c0r8c0|0,r7c1r8c1|0,r7c2r7c3|14,r7c6r8c6|0,r6c6r6c7r7c7r7c8|21,r8c2r8c3r8c4r8c5|7,r8c7r8c8", "solution": "834761295926583417571924836283195764467238159159476382395847621642319578718652943", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5907, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5904, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-08-31", "puzzle": "14,r0c0r0c1|6,r0c3r0c4|21,r0c5r0c6r0c7|7,r1c0r1c1|10,r0c2r1c2r2c2|17,r1c3r1c4r1c5|7,r1c6r2c6|10,r0c8r1c8r2c8|9,r2c4r2c5|12,r1c7r2c7|14,r2c0r3c0|17,r2c1r3c1r3c2|15,r2c3r3c3|7,r3c5r4c5r5c5|7,r3c6r3c7|11,r4c0r4c1|13,r4c2r4c3|23,r3c4r4c4r5c4|12,r4c6r4c7|14,r3c8r4c8r5c8|9,r5c0r6c0|15,r5c1r5c2r6c1|5,r5c3r6c3|12,r5c6r5c7|7,r6c4r6c5|4,r6c7r7c7|3,r7c0r7c1|16,r6c2r7c2r8c2|18,r7c3r7c4r7c5|14,r6c6r7c6|21,r6c8r7c8r8c8|11,r8c0r8c1|10,r8c3r8c4|14,r8c5r8c6r8c7", "solution": "861425973342179586597836241935782164478561392216394758789243615124657839653918427", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5904, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5909, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-09-01", "puzzle": "9,r0c2r0c3|11,r0c0r0c1r1c0|22,r1c1r1c2r1c3|3,r0c4r1c4|13,r0c5r1c5|11,r0c6r1c6|11,r0c7r1c7|10,r0c8r1c8|4,r2c0r2c1|21,r2c3r2c4r2c5|11,r2c7r2c8|6,r3c0r3c1|21,r2c2r3c2r3c3|11,r4c0r4c1r4c2|11,r3c4r4c3r4c4|15,r3c5r4c5r5c5|11,r2c6r3c6r4c6|12,r3c7r4c7r5c7|18,r3c8r4c8r5c8|20,r5c0r5c1r5c2|13,r5c3r5c4|20,r6c0r6c1r7c0|9,r6c2r6c3|11,r6c4r6c5|7,r5c6r6c6|8,r7c1r7c2|15,r7c3r7c4r8c3|12,r7c5r7c6|17,r6c7r6c8r7c7|15,r8c0r8c1r8c2|16,r8c4r8c5r8c6|11,r7c8r8c7r8c8", "solution": "526317849489526371317498265158639427263174598794852613932765184871243956645981732", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5909, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5910, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-09-01", "puzzle": 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"9,r0c5r0c6|43,r0c0r0c2r1c0r1c2r2c0r2c1r2c2r3c0|7,r0c1r1c1|28,r0c3r0c4r1c3r1c4r1c5|12,r0c7r1c6r1c7|14,r0c8r1c8|25,r2c3r2c4r2c5r2c6r3c4|17,r3c2r3c3|9,r3c5r3c6|38,r3c1r4c0r4c1r5c0r6c0r6c1r7c0|33,r2c7r2c8r3c7r3c8r4c6r4c7r4c8|9,r5c1r5c2|17,r4c2r4c3r5c3r5c4r6c3|16,r5c6r5c7r5c8|28,r4c4r4c5r5c5r6c4r6c5|18,r6c6r6c7r6c8r7c7|34,r6c2r7c1r7c2r7c3r8c2r8c3|29,r7c4r7c5r7c6r8c4r8c5r8c6|9,r8c0r8c1|10,r7c8r8c7r8c8", "solution": "127493685458276139396581742539847216642139578781652394915368427863724951274915863", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5911, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5914, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-09-02", "puzzle": "7,r0c0r0c1|10,r0c4r0c5|7,r1c0r1c1|17,r0c2r1c2|23,r0c3r1c3r2c3|9,r1c4r1c5|19,r0c6r0c7r1c6|6,r0c8r1c7r1c8|15,r2c0r2c1r3c0|7,r2c4r2c5r3c4|15,r2c7r2c8|10,r2c2r3c2|13,r2c6r3c6|17,r3c1r4c1r4c2|7,r3c3r4c3|11,r3c5r4c5r4c6|12,r3c7r3c8r4c7|12,r4c0r5c0|4,r5c2r5c3|16,r4c4r5c4|14,r4c8r5c7r5c8|3,r5c1r6c1|13,r6c2r6c3r7c2|22,r5c5r5c6r6c5|23,r6c6r6c7r6c8|18,r6c0r7c0r8c0|15,r7c3r8c2r8c3|10,r6c4r7c4|13,r7c5r7c6r8c6|12,r7c7r7c8|12,r7c1r8c1|7,r8c4r8c5|6,r8c7r8c8", "solution": "259637481168954732734812569596243817871596243423178956317425698642389175985761324", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5914, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5915, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-09-02", "puzzle": "18,r0c2r0c3r0c4r1c2|9,r0c0r1c0|14,r0c1r1c1|24,r1c3r1c4r2c4|16,r0c5r1c5r1c6|24,r0c6r0c7r0c8r1c7r1c8r2c8|11,r2c0r2c1r3c0r3c1|22,r2c2r3c2r4c2|12,r2c3r3c3r4c3|13,r2c5r2c6r3c5r3c6|23,r2c7r3c7r3c8|21,r3c4r4c4r4c5|14,r4c6r4c7r5c7|11,r4c0r4c1r5c0|15,r5c2r5c3r6c2r6c3|8,r5c4r5c5r5c6|22,r4c8r5c8r6c7r6c8|11,r5c1r6c1|19,r6c4r6c5r6c6|36,r6c0r7c0r7c1r8c0r8c1r8c2|5,r7c2r7c3|29,r7c5r7c6r8c5r8c6|9,r7c7r7c8|13,r7c4r8c3r8c4|6,r8c7r8c8", "solution": "798513642254986731316274598529741386167398254483652179835169427971425863642837915", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5915, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5916, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-09-02", "puzzle": 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"12,r0c3r0c4r0c5|9,r0c7r0c8|24,r0c0r0c1r1c0r1c1|9,r0c2r1c2|0,r1c4r1c5|30,r0c6r1c6r1c7r2c6r2c7r3c6|4,r2c0r2c1|37,r1c3r2c2r2c3r3c1r3c2r3c3|0,r1c8r2c8|0,r2c4r3c4|3,r2c5r3c5|11,r3c7r3c8|14,r3c0r4c0r5c0|7,r4c2r4c3|0,r4c4r4c5r5c4r5c5|14,r4c6r4c7r5c6|0,r4c1r5c1|16,r5c2r5c3|25,r4c8r5c7r5c8r6c8|0,r6c0r6c1r6c2r6c3r7c1r7c2|31,r6c6r6c7r7c6r7c7r7c8r8c7r8c8|0,r6c4r6c5r7c4|11,r7c0r8c0|0,r8c1r8c2|7,r7c3r8c3|24,r7c5r8c4r8c5r8c6", "solution": "697138254452967813318452967573681492124395678869724135745816329231549786986273541", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5917, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5919, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-09-03", "puzzle": "5,r0c0r0c1|23,r0c3r0c4r0c5|6,r0c7r0c8|21,r0c2r1c1r1c2|14,r1c3r1c4r1c5|14,r0c6r1c6r1c7|12,r1c0r2c0r2c1|16,r2c2r2c3r3c3|6,r2c5r2c6r3c5|23,r1c8r2c7r2c8|8,r2c4r3c4|17,r3c0r4c0|7,r3c1r4c1|7,r3c2r4c2|18,r4c3r4c4r4c5|5,r3c6r4c6|13,r3c7r4c7|10,r3c8r4c8|7,r5c1r5c2|12,r5c4r6c4|14,r5c6r5c7|12,r5c0r6c0|10,r6c1r6c2|10,r5c3r6c3|9,r5c5r6c5|9,r6c6r6c7|7,r5c8r6c8|14,r7c0r7c1r8c0|8,r7c4r8c4|17,r7c7r7c8r8c8|16,r7c2r8c1r8c2|7,r7c3r8c3|13,r7c5r8c5|15,r7c6r8c6r8c7", "solution": "324968715198725346657413289932571468845396172761842953519287634286134597473659821", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5919, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5920, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-09-03", "puzzle": "18,r0c3r0c4r0c5|16,r0c0r0c1r1c0|27,r0c2r1c1r1c2r2c0r2c1|23,r0c6r0c7r1c6r1c7|13,r0c8r1c8r2c8r3c8|9,r1c4r1c5r2c4|12,r2c6r2c7|21,r1c3r2c2r2c3r3c1r3c2|9,r3c3r3c4r4c3|18,r2c5r3c5r3c6|16,r4c1r4c2r5c1|19,r4c4r4c5r5c4|29,r3c7r4c6r4c7r4c8|19,r3c0r4c0r5c0|18,r5c2r5c3r6c3|13,r5c8r6c8|18,r6c0r6c1r7c0r7c1|10,r5c5r5c6r6c5|27,r5c7r6c6r6c7r7c5r7c6r7c7|17,r6c2r7c2|11,r6c4r7c3r7c4r8c4|14,r8c0r8c1r8c2r8c3|14,r8c5r8c6|14,r7c8r8c7r8c8", "solution": "753891264491632785682745391815269473236174958974583126348926517569317842127458639", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5920, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5921, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-09-03", "puzzle": 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"0,r0c6r0c7|0,r0c0r1c0|5,r0c1r1c1|7,r0c2r1c2|6,r0c3r1c3|11,r0c4r1c4|20,r0c5r1c5r1c6r1c7|0,r0c8r1c8|0,r2c0r2c1r3c1|17,r2c3r2c4r2c5|0,r2c7r2c8r3c8r4c8|26,r2c2r3c2r3c3r4c3|11,r2c6r3c6|12,r3c7r4c7|0,r3c0r4c0|0,r4c1r4c2|6,r3c4r3c5r4c4|14,r5c0r5c1r6c0|34,r4c5r4c6r5c4r5c5r5c6|0,r5c2r6c2|0,r5c3r6c3r6c4|0,r6c5r6c6|0,r5c7r6c7|10,r5c8r6c8|11,r6c1r7c1r7c2|18,r7c3r7c4r7c5r7c6|17,r7c7r7c8r8c8|5,r7c0r8c0|12,r8c1r8c2|19,r8c3r8c4r8c5|9,r8c6r8c7", "solution": "726453918931268547548197362497612835682534791153789624819325476364871259275946183", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5922, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5923, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2012-09-03", "puzzle": "0,r0c1r0c2|0,r0c3r0c4|22,r0c0r1c0r2c0r3c0|8,r1c3r1c4|3,r0c5r1c5|5,r0c6r1c6|20,r0c7r0c8r1c7r1c8|0,r1c1r2c1|0,r1c2r2c2|0,r2c5r2c6|6,r3c1r3c2|15,r2c3r3c3|0,r2c4r3c4r4c4r5c4r6c4|18,r2c7r3c6r3c7|6,r2c8r3c8|10,r4c0r4c1|5,r4c2r4c3|0,r3c5r4c5r4c6r5c5|0,r4c7r4c8|13,r5c1r5c2|7,r5c3r6c3|14,r5c6r5c7r6c7|8,r5c8r6c8|12,r6c1r7c1|0,r6c2r7c2|0,r6c5r6c6|22,r5c0r6c0r7c0r8c0|10,r7c3r7c4|8,r7c5r8c5|0,r7c6r8c6|0,r7c7r7c8r8c7r8c8|0,r8c1r8c2|0,r8c3r8c4", "solution": "569871423847532169312649875624957381193268547785314296951486732278193654436725918", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5923, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5925, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-09-04", "puzzle": "9,r0c1r0c2|7,r0c6r0c7|12,r0c0r1c0|11,r1c1r1c2|7,r0c3r1c3|10,r0c4r1c4|11,r0c5r1c5|16,r1c6r1c7|7,r0c8r1c8|25,r2c0r2c1r3c1r4c1r5c1|27,r2c2r2c3r2c4r2c5r2c6|27,r2c7r2c8r3c7r4c7r5c7|11,r3c2r3c3r4c3|14,r3c4r4c4|13,r3c5r3c6r4c5|7,r3c0r4c0|15,r3c8r4c8|14,r5c3r5c4r5c5|7,r5c0r6c0|18,r4c2r5c2r6c2|20,r6c3r6c4r6c5r7c4|10,r4c6r5c6r6c6|13,r5c8r6c8|8,r6c1r7c1|12,r7c2r7c3|12,r7c5r7c6|3,r6c7r7c7|12,r7c0r8c0|8,r8c1r8c2|17,r8c3r8c4r8c5|13,r8c6r8c7|9,r7c8r8c8", "solution": "981627345356184972724539681135498267647253198298716534573862419819345726462971853", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5925, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5924, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-09-04", "puzzle": 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"3,r0c2r1c2|15,r0c0r0c1r1c0|12,r0c3r0c4r1c3|12,r0c5r1c5|21,r0c6r0c7r1c6|19,r1c1r2c0r2c1|13,r2c2r2c3|15,r1c4r2c4|3,r1c7r2c7|15,r0c8r1c8r2c8|13,r3c1r3c2r4c2|9,r3c3r3c4r4c3|12,r2c5r2c6r3c5|18,r3c6r3c7r3c8|18,r3c0r4c0r4c1|24,r4c4r4c5r5c4|11,r5c0r6c0r7c0|10,r4c6r5c6r6c6|13,r4c7r5c7|11,r4c8r5c8|17,r5c1r5c2r6c1|12,r6c7r6c8r7c7|12,r6c2r7c2|13,r5c3r6c3r7c3|8,r6c4r7c4|11,r5c5r6c5r7c5|13,r7c1r8c0r8c1|15,r8c2r8c3|11,r8c4r8c5|7,r7c6r8c6|19,r7c8r8c7r8c8", "solution": "651324978492768513738591624924615837367289145185473296249836751873152469516947382", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5929, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5930, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-09-05", "puzzle": 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"18,r0c0r0c1r0c2|33,r0c3r0c4r0c5r1c3r1c4r1c5|16,r0c6r0c7r0c8|24,r1c0r1c1r2c1r3c1|0,r1c7r1c8r2c7r3c7|0,r1c2r2c2|19,r2c3r2c4r2c5r3c4|9,r1c6r2c6|4,r2c0r3c0|0,r2c8r3c8|0,r4c0r4c1|0,r3c2r4c2|0,r3c3r4c3|10,r3c5r4c5|13,r3c6r4c6|0,r4c7r4c8|10,r5c2r5c3|7,r4c4r5c4|0,r5c5r5c6|0,r5c0r6c0r7c0|0,r5c1r6c1r7c1|19,r6c3r6c4r6c5|11,r5c7r6c7r7c7|0,r5c8r6c8r7c8|18,r6c2r7c2r7c3|3,r7c4r8c4|17,r6c6r7c5r7c6|0,r8c0r8c1|17,r8c2r8c3|0,r8c5r8c6|13,r8c7r8c8", "solution": "936281457584697132127354869392578641865142793471936285713469528658723914249815376", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5933, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5931, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-09-05", "puzzle": "15,r0c0r0c1r1c0|18,r0c2r0c3r1c3|3,r0c5r1c5|19,r0c7r0c8r1c7r1c8|11,r1c1r2c1|11,r1c2r2c2r2c3|26,r0c6r1c6r2c6r2c7r2c8|8,r2c0r3c0|29,r0c4r1c4r2c4r3c4|18,r2c5r3c5r3c6|10,r3c7r3c8|17,r3c1r3c2r4c0r4c1|18,r4c5r4c6r4c7r4c8|27,r4c2r5c2r6c2r6c3r6c4|23,r3c3r4c3r4c4r5c3r5c4r5c5|20,r5c7r5c8r6c8|3,r5c0r6c0|22,r5c1r6c1r7c1r7c2r7c3|18,r5c6r6c6r6c7|23,r6c5r7c4r7c5r8c4|14,r7c6r7c7|10,r7c8r8c7r8c8|24,r7c0r8c0r8c1|13,r8c2r8c3|5,r8c5r8c6", "solution": "437891562896352147521476938342685791658719423179234856265148379913527684784963215", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5931, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5932, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-09-05", "puzzle": "25,r0c0r0c1r0c2r0c3r0c4|17,r1c1r1c2r2c2r3c2|22,r0c5r0c6r0c7r0c8r1c5|25,r1c6r1c7r2c6r2c7r3c6|0,r1c0r2c0r2c1|19,r1c3r1c4r2c3|0,r2c5r3c5|10,r1c8r2c8|0,r3c0r3c1r4c1r5c1|0,r3c3r4c3r4c4r4c5r4c6|0,r2c4r3c4|17,r3c7r3c8r4c8|0,r4c0r5c0|11,r4c2r5c2r6c2|13,r5c5r5c6|0,r4c7r5c7|0,r5c3r6c3r7c3r8c3r8c4r8c5|0,r5c4r6c4|11,r6c5r6c6|13,r5c8r6c7r6c8|9,r6c0r7c0|6,r6c1r7c1|0,r7c4r7c5|11,r8c0r8c1|16,r7c2r8c2|28,r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "284659371631872954795431286958346127376125498412798563823564719149287635567913842", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5932, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5934, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-09-06", "puzzle": "15,r0c0r0c1|10,r0c2r0c3|10,r0c4r0c5r0c6|11,r1c0r1c1|17,r1c3r1c4|5,r0c7r1c7|24,r0c8r1c8r2c8|10,r2c0r2c1|5,r1c2r2c2|10,r2c3r2c4|7,r1c5r1c6r2c5|11,r2c6r2c7|17,r3c2r3c3|12,r3c4r3c5|3,r3c7r3c8|11,r3c0r4c0|5,r3c1r4c1|11,r4c2r5c2|15,r4c3r4c4r4c5|13,r3c6r4c6|12,r4c7r5c7|9,r4c8r5c8|9,r5c0r5c1|4,r5c3r5c4|14,r5c5r5c6|12,r6c1r6c2|8,r6c3r7c2r7c3|12,r6c4r6c5|5,r6c6r7c6|14,r6c7r6c8|19,r6c0r7c0r8c0|5,r7c1r8c1|14,r7c4r7c5|9,r7c7r7c8|13,r8c2r8c3r8c4|16,r8c5r8c6|8,r8c7r8c8", "solution": "784652319563981247192734568349875621816429735275316894457293186931568472628147953", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5934, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5935, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-09-06", "puzzle": "15,r0c0r0c1|8,r0c7r0c8|31,r0c2r1c1r1c2r2c2r2c3|10,r0c3r1c3|5,r0c4r1c4|11,r0c5r1c5|28,r0c6r1c6r1c7r2c5r2c6|3,r1c0r2c0|5,r1c8r2c8|5,r2c1r3c1|14,r3c2r3c3|11,r2c4r3c4r4c4|11,r3c5r3c6|16,r2c7r3c7|21,r3c0r4c0r5c0|13,r4c2r4c3|8,r4c5r4c6|17,r3c8r4c8r5c8|5,r4c1r5c1|27,r5c3r5c4r5c5r6c3r6c5|6,r4c7r5c7|6,r5c2r6c2|9,r5c6r6c6|16,r6c0r6c1r7c0|9,r7c1r7c2|28,r6c4r7c3r7c4r7c5r8c4|8,r7c6r7c7|22,r6c7r6c8r7c8|11,r8c0r8c1|10,r8c2r8c3|13,r8c5r8c6|3,r8c7r8c8", "solution": "879124635165937284243865791518642973926713548734598126392451867481276359657389412", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5935, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5936, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-09-06", "puzzle": "32,r0c4r0c5r0c6r0c7r0c8r1c7|16,r0c0r0c1r1c0r1c1|21,r0c2r0c3r1c2|5,r1c3r1c4|13,r1c5r1c6|12,r2c0r2c1r3c0|16,r2c6r2c7r3c7|14,r2c2r2c3r3c2r3c3|14,r2c4r3c4|16,r2c5r3c5r3c6|21,r1c8r2c8r3c8r4c8|10,r3c1r4c1|12,r4c2r4c3|30,r4c0r5c0r6c0r7c0r7c1r8c0|17,r5c2r5c3r6c3|33,r4c4r4c5r4c6r5c4r5c5r6c4|11,r4c7r5c6r5c7|17,r5c1r6c1|3,r5c8r6c8|13,r6c2r7c2r7c3|15,r6c5r7c4r7c5|18,r6c6r6c7r7c6r7c7|20,r8c1r8c2r8c3r8c4|9,r8c5r8c6|17,r7c8r8c7r8c8", "solution": "514836297829417653736259184265194378147583926398672541981345762673928415452761839", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5936, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5939, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-09-07", "puzzle": "12,r0c0r0c1r0c2|14,r0c3r0c4r0c5|15,r0c6r0c7|17,r1c0r1c1r2c0|7,r1c2r1c3|19,r1c5r1c6r1c7|9,r0c8r1c8|15,r2c1r2c2r3c1|19,r1c4r2c3r2c4|11,r2c5r2c6r2c7|9,r3c2r3c3|14,r3c4r3c5r4c5|9,r3c6r3c7|6,r2c8r3c8r4c8|22,r4c2r4c3r4c4|14,r3c0r4c0r5c0|15,r4c1r5c1r5c2|11,r5c3r5c4r5c5|14,r4c6r5c6|18,r4c7r5c7r5c8|19,r6c0r6c1r6c2|14,r6c3r6c4r6c5|4,r7c0r7c1|12,r7c3r8c3|9,r6c6r7c6|10,r6c7r6c8r7c7|23,r7c8r8c7r8c8|9,r8c0r8c1|13,r7c2r8c2|12,r7c4r8c4|10,r7c5r8c5r8c6", "solution": "291365784846127935537984162953648271178592643462713859685239417319476528724851396", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5939, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5937, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-09-06", "puzzle": 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"21,r0c0r0c1r0c2r1c0|12,r0c5r0c6|9,r0c3r1c3|14,r0c4r1c4|9,r0c7r1c7|9,r0c8r1c8|9,r1c1r2c1|17,r1c2r2c2r2c3|21,r2c4r3c4r4c4|7,r1c5r2c5r3c5|17,r1c6r2c6r3c6|9,r2c7r2c8|15,r2c0r3c0r4c0r4c1|7,r3c1r3c2|17,r3c7r3c8|6,r3c3r4c3|17,r4c6r4c7r4c8r5c8|15,r4c2r5c2r6c2|25,r4c5r5c4r5c5r6c5|14,r5c0r6c0r7c0|9,r5c1r6c1|12,r5c3r6c3r6c4|25,r5c6r5c7r6c6r6c7|16,r7c1r7c2|9,r7c3r7c4|27,r6c8r7c6r7c7r7c8r8c7r8c8|10,r8c0r8c1|14,r8c2r8c3|13,r7c5r8c4r8c5r8c6", "solution": "973258461246791538158364927461572389732189654589436712314627895697815243825943176", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5940, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5941, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-09-07", "puzzle": 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"15,r0c1r0c2r1c1|18,r0c3r0c4r1c3r1c4|13,r0c7r0c8r1c8|23,r0c0r1c0r2c0r3c0r4c0|20,r0c5r0c6r1c5|16,r1c2r2c1r2c2|14,r2c3r2c4r3c4|19,r1c6r2c5r2c6|4,r1c7r2c7|4,r3c2r3c3|22,r3c5r3c6r3c7|13,r2c8r3c8|11,r3c1r4c1r4c2|19,r4c3r4c4r4c5|13,r4c6r4c7r5c7|8,r5c0r6c0|23,r5c1r5c2r5c3|6,r5c5r5c6|10,r6c1r7c1|19,r6c2r6c3r7c2|13,r5c4r6c4r6c5|16,r6c6r6c7r7c6|9,r7c3r8c2r8c3|23,r4c8r5c8r6c8r7c8r8c8|21,r7c0r8c0r8c1|18,r7c4r7c5r8c4r8c5|15,r7c7r8c6r8c7", "solution": "295163847816749532437528619621375984354892176789614253142957368968431725573286491", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5946, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5947, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2012-09-08", "puzzle": "0,r0c1r0c2r0c3|21,r0c5r0c6r0c7|0,r0c0r1c0r2c0|16,r1c1r1c2r1c3|22,r0c4r1c4r2c4r3c4|13,r1c5r1c6r1c7|0,r0c8r1c8r2c8|0,r2c1r2c2|9,r2c6r2c7|8,r3c0r3c1|17,r2c3r3c2r3c3|0,r2c5r3c5r3c6|0,r3c7r3c8|14,r4c1r4c2|13,r4c3r4c4r4c5|6,r4c6r4c7|12,r4c0r5c0r5c1|0,r4c8r5c7r5c8|0,r5c2r6c2|8,r5c4r6c4|0,r5c3r5c5r6c3r6c5r7c3r7c4r7c5|3,r5c6r6c6|0,r6c0r6c1r7c0|14,r6c7r6c8r7c8|18,r7c1r8c0r8c1|9,r7c2r8c2|15,r8c3r8c4r8c5|0,r7c6r8c6|20,r7c7r8c7r8c8", "solution": "617358942893421756425697813179264538586139427342875169934716285258943671761582394", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5947, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5949, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-09-09", "puzzle": "14,r0c0r0c1r0c2|13,r0c6r0c7|12,r1c0r1c1|8,r0c3r1c3|12,r0c4r0c5r1c4|16,r1c5r1c6|4,r0c8r1c8|10,r2c0r2c1|14,r1c2r2c2r2c3|13,r2c4r3c4r3c5|9,r2c5r2c6|11,r1c7r2c7|13,r3c3r4c3|6,r3c6r3c7|15,r2c8r3c8|18,r3c0r3c1r4c0|10,r4c1r5c0r5c1|7,r4c4r4c5|14,r4c7r4c8|17,r3c2r4c2r5c2|8,r5c3r5c4|12,r4c6r5c6|6,r5c7r5c8|21,r6c0r6c1r6c2|11,r6c3r6c4r7c4|19,r5c5r6c5r7c5|4,r6c6r6c7|11,r7c1r8c1|6,r7c2r7c3r8c2|13,r7c6r7c7|13,r6c8r7c8|10,r7c0r8c0|20,r8c3r8c4r8c5|15,r8c6r8c7r8c8", "solution": "257681493846239751193547268928463517714952386365178942579826134482315679631794825", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5949, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5950, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-09-09", "puzzle": 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"10,r0c2r0c3|9,r0c4r0c5|8,r0c6r0c7|29,r0c0r0c1r1c0r1c1r2c0r2c1|23,r1c2r1c3r1c4r2c2|5,r1c5r1c6|13,r0c8r1c8|7,r2c4r3c4|10,r2c5r2c6|14,r1c7r2c7r2c8|31,r2c3r3c1r3c2r3c3r4c2|10,r3c0r4c0|14,r4c1r5c0r5c1|35,r3c5r3c6r4c3r4c4r4c5r5c2r5c3|15,r3c7r3c8r4c7|11,r4c8r5c8|30,r4c6r5c5r5c6r5c7r6c5|12,r6c0r6c1r7c1|7,r6c2r6c3|8,r5c4r6c4|13,r7c0r8c0|11,r7c2r7c3|21,r6c6r7c4r7c5r7c6|29,r6c7r6c8r7c7r7c8r8c7r8c8|5,r8c1r8c2|15,r8c3r8c4|10,r8c5r8c6", "solution": "493781625715462398628953741984326157167549832352817469236175984879234516541698273", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5951, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5952, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-09-09", "puzzle": "0,r0c0r0c1r1c0r1c1r1c2r2c1|7,r0c2r0c3|10,r0c5r0c6|15,r0c4r1c3r1c4|0,r0c7r0c8r1c7|18,r1c5r1c6r2c5|4,r1c8r2c8|0,r2c0r3c0|0,r2c2r2c3r3c2r3c3|10,r2c4r3c4|16,r2c6r3c6|0,r2c7r3c7|7,r3c8r4c8|11,r3c1r4c0r4c1|0,r4c2r4c3|0,r4c6r4c7|0,r5c1r5c2r6c1|34,r3c5r4c4r4c5r5c3r5c4r5c5|12,r5c0r6c0|13,r6c2r6c3|15,r5c6r6c5r6c6|3,r5c7r6c7|0,r5c8r6c8|18,r7c0r7c1r8c0|7,r7c2r7c3|4,r6c4r7c4|5,r7c5r7c6|24,r7c7r7c8r8c7r8c8|0,r8c1r8c2|15,r8c3r8c4|8,r8c5r8c6", "solution": "153478269726359841849261753218643975467195382935827416384916527672534198591782634", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5952, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5953, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-09-09", "puzzle": 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"16,r0c2r0c3r0c4|14,r0c6r0c7r1c6r1c7|13,r0c0r1c0|10,r0c1r1c1|14,r1c2r1c3r1c4|13,r0c5r1c5|23,r0c8r1c8r2c8r3c8|16,r2c0r2c1r2c2|5,r2c3r2c4|11,r2c5r2c6r3c6|14,r3c2r3c3|8,r3c4r3c5|16,r2c7r3c7r4c7|22,r3c0r3c1r4c0r4c1|12,r4c2r4c3r5c2|17,r4c4r4c5r4c6|16,r4c8r5c8|11,r5c0r5c1r6c0|12,r5c3r5c4|11,r5c6r5c7|13,r5c5r6c5|8,r6c7r6c8|25,r6c1r6c2r6c3r7c0r7c1|23,r6c4r7c3r7c4r8c3|11,r6c6r7c5r7c6|4,r8c0r8c1|11,r7c2r8c2|9,r8c4r8c5|22,r7c7r8c6r8c7|5,r7c8r8c8", "solution": "435297816971856324682413795749562138563178249128934567856329471294781653317645982", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5964, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5965, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-09-12", "puzzle": 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"8,r0c0r0c1r0c2|21,r0c6r0c7r0c8|18,r1c0r1c1r2c0|17,r1c2r2c2|9,r0c3r1c3|16,r0c4r1c4|3,r0c5r1c5|11,r2c4r2c5|10,r1c6r1c7r2c6|13,r1c8r2c8|12,r2c1r3c0r3c1|14,r2c3r3c3|7,r3c5r3c6|14,r2c7r3c7r3c8|14,r4c1r5c1|15,r3c2r4c2r5c2|10,r3c4r4c3r4c4|14,r4c5r4c6|12,r4c7r4c8|6,r4c0r5c0|15,r5c4r5c5|7,r5c7r5c8|11,r6c0r6c1r6c2|5,r5c3r6c3|13,r6c4r6c5r7c5|16,r5c6r6c6r7c6|14,r6c7r6c8|11,r7c0r7c1r7c2|10,r7c7r7c8r8c8|23,r8c0r8c1r8c2|18,r7c3r7c4r8c3|12,r8c4r8c5|6,r8c6r8c7", "solution": "134592687658471239729638514915824376263715948487369152371246895542983761896157423", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5973, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5970, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-09-13", "puzzle": 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"11,r0c2r1c2|10,r0c0r0c1r1c0|17,r0c3r0c4r1c3|8,r0c5r1c5|5,r0c6r1c6|16,r0c7r0c8r1c7|11,r1c4r2c3r2c4|16,r1c8r2c7r2c8|8,r2c0r3c0|15,r1c1r2c1r3c1|7,r2c2r3c2|15,r2c5r3c5|17,r2c6r3c6|9,r3c7r3c8|20,r4c0r4c1r4c2|17,r3c3r4c3r5c3|19,r3c4r4c4r5c4|3,r4c5r4c6|9,r4c7r4c8|11,r5c0r6c0|10,r5c1r6c1r7c1|14,r5c2r6c2|10,r5c5r6c5|10,r5c6r6c6|9,r5c7r5c8|17,r6c3r6c4r7c4|15,r6c7r6c8r7c8|23,r7c0r8c0r8c1|9,r7c3r8c3r8c4|11,r7c5r8c5|11,r7c6r8c6|16,r7c7r8c7r8c8|6,r7c2r8c2", "solution": "278643195193785426546219837321876954857491263469532718715968342634127589982354671", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5978, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5979, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-09-15", "puzzle": 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"31,r0c0r0c1r0c2r1c0r2c0|9,r0c4r0c5|11,r0c3r1c3|14,r0c6r1c5r1c6|0,r0c7r1c7|5,r0c8r1c8|12,r1c1r1c2r2c1|6,r1c4r2c4|8,r2c5r2c6|0,r2c7r2c8|10,r3c0r3c1|19,r2c2r2c3r3c2r3c3|15,r4c1r4c2|13,r3c4r4c3r4c4|0,r3c6r4c6|10,r3c7r3c8r4c7r4c8|0,r4c0r5c0|0,r5c2r6c2|0,r3c5r4c5r5c3r5c4r5c5|0,r5c6r5c7|0,r5c1r6c0r6c1|9,r6c3r6c4|14,r5c8r6c8|0,r7c0r7c1|18,r7c3r7c4r8c3r8c4|0,r6c5r7c5|0,r6c6r6c7r7c6|0,r8c0r8c1|0,r7c2r8c2|7,r8c5r8c6|20,r7c7r7c8r8c7r8c8", "solution": "953681274674529381812743596281965743569437812347812965136278459725194638498356127", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5982, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5983, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-09-16", "puzzle": "5,r0c0r0c1|11,r0c3r0c4r1c4|8,r0c2r1c2|13,r0c5r1c5|12,r0c6r1c6r2c6|16,r0c7r1c7|14,r0c8r1c8|17,r1c0r2c0|15,r1c1r2c1r2c2|9,r1c3r2c3|20,r2c4r2c5r3c4|7,r2c7r2c8r3c7|16,r3c0r3c1|4,r3c2r3c3|8,r3c5r3c6|7,r3c8r4c8|13,r4c1r4c2|22,r4c3r4c4r4c5|4,r4c6r4c7|10,r4c0r5c0|7,r5c2r5c3|13,r5c5r5c6|15,r5c7r5c8|13,r5c1r6c0r6c1|9,r5c4r6c3r6c4|16,r6c5r7c5|14,r6c6r6c7r7c7|12,r6c8r7c8|3,r7c0r8c0|7,r7c1r8c1|23,r6c2r7c2r8c2|11,r7c3r8c3|9,r7c6r8c6|12,r7c4r8c4r8c5|10,r8c7r8c8", "solution": "327615498951248376864793521793182645485976132612534987576429813148367259239851764", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5983, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5984, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-09-16", "puzzle": 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"22,r0c0r0c1r1c0r1c1|0,r0c2r0c3|10,r0c4r0c5|11,r0c6r0c7r1c7|0,r1c3r1c4r1c5|5,r0c8r1c8|15,r1c2r2c1r2c2|6,r2c3r2c4|22,r1c6r2c6r2c7|5,r2c0r3c0|0,r3c3r3c4r4c3r4c4|0,r2c5r3c5|16,r3c6r3c7|0,r2c8r3c8|20,r3c1r4c1r5c1|0,r3c2r4c2|9,r4c0r5c0|0,r5c2r5c3|21,r4c5r5c4r5c5|3,r4c6r5c6|11,r4c7r5c7|10,r4c8r5c8|15,r6c1r6c2r7c2|11,r6c4r6c5|27,r6c6r6c7r6c8r7c6r8c6|0,r6c0r7c0r7c1|9,r6c3r7c3|6,r7c4r7c5|0,r8c0r8c1|0,r8c2r8c3|11,r8c4r8c5|18,r7c7r7c8r8c7r8c8", "solution": "715982643869743512324516897231468975497135286586297134143629758678351429952874361", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5986, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5987, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-09-16", "puzzle": 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"16,r0c0r0c1r1c0r1c1|9,r0c2r0c3|11,r0c4r0c5|25,r0c6r0c7r0c8r1c8r2c8|19,r1c2r2c2r3c2|21,r1c3r1c4r1c5|15,r1c6r1c7r2c7|12,r2c0r2c1|7,r2c3r2c4|12,r2c5r2c6r3c6|9,r3c0r3c1|14,r3c7r4c7r5c7|14,r3c8r4c8|28,r3c3r4c3r5c3r5c4r5c5|17,r3c4r3c5r4c4r4c5|9,r4c6r5c6|4,r4c0r5c0|23,r4c1r4c2r5c1r5c2|9,r5c8r6c8|14,r6c5r6c6r6c7|24,r6c1r6c2r7c1r7c2|22,r6c3r6c4r7c3r7c4|12,r7c5r8c5|15,r7c6r8c6|13,r7c7r7c8r8c7r8c8|21,r6c0r7c0r8c0r8c1r8c2|10,r8c3r8c4", "solution": "547238169618759432932164587729516348354982716186473295273691854895347621461825973", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5989, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5990, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-09-17", "puzzle": 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"11,r0c2r0c3|14,r0c7r0c8r1c8|19,r0c0r0c1r1c0r1c1|0,r0c4r0c5r1c3r1c4r1c5r2c4r2c5|0,r0c6r1c6|15,r1c2r2c1r2c2|0,r1c7r2c6r2c7|7,r2c0r3c0|11,r2c3r3c2r3c3|21,r3c7r4c7r4c8r5c8|7,r2c8r3c8|37,r3c1r4c0r4c1r4c2r5c0r5c1r5c2|16,r3c4r4c3r4c4|7,r3c5r4c5|0,r3c6r4c6|13,r5c3r5c4|6,r5c5r5c6r6c5|16,r6c0r6c1|0,r6c3r6c4|10,r6c2r7c1r7c2|21,r7c3r7c4r8c4r8c5|0,r5c7r6c6r6c7r7c5r7c6r7c7|0,r7c0r8c0r8c1|0,r8c2r8c3|27,r6c8r7c8r8c6r8c7r8c8", "solution": "379285614185346729264197835513764982628913457947852361796531248831429576452678193", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5991, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5994, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-09-18", "puzzle": "18,r0c0r0c1r1c0r1c1|16,r0c2r0c3r0c4|15,r0c7r0c8r1c8|15,r1c2r1c3r1c4r2c3|26,r0c5r0c6r1c5r2c5|18,r1c6r1c7r2c7|16,r2c0r2c1|13,r2c2r3c2r3c3|13,r2c4r3c4r3c5|8,r2c6r3c6|13,r2c8r3c7r3c8|18,r3c0r3c1r4c0|3,r4c1r4c2|17,r4c3r4c4r4c5|11,r4c6r4c7|11,r4c8r5c7r5c8|13,r5c0r5c1r6c0|10,r5c2r6c2|21,r5c3r5c4r6c4|12,r5c5r5c6r6c6|17,r6c7r6c8|14,r6c1r7c1r7c2|26,r6c3r7c3r8c2r8c3|19,r6c5r7c4r7c5r7c6|18,r7c0r8c0r8c1|7,r8c4r8c5r8c6|17,r7c7r7c8r8c7r8c8", "solution": "134759862862143957795826143456238719921467385387591624213674598649385271578912436", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5994, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 5995, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-09-18", "puzzle": 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"15,r0c0r0c1|6,r0c2r0c3|6,r0c5r0c6|10,r0c7r0c8|5,r1c0r1c1|16,r1c2r1c3|11,r1c5r1c6|10,r1c7r1c8|11,r2c0r2c1|18,r0c4r1c4r2c4|5,r2c7r2c8|14,r3c0r3c1|8,r2c2r2c3r3c2|17,r2c5r2c6r3c6|13,r3c7r3c8|12,r4c1r4c2|10,r3c3r4c3|10,r3c4r4c4|10,r3c5r4c5|6,r4c6r4c7|12,r4c0r5c0r5c1|11,r5c2r5c3|12,r5c5r5c6|21,r4c8r5c7r5c8|10,r5c4r6c4|10,r6c0r7c0|3,r6c1r7c1|20,r6c2r7c2r8c2|15,r6c3r7c3r8c3|7,r7c4r8c4|14,r6c5r7c5r8c5|19,r6c6r7c6r8c6|11,r6c7r7c7|8,r6c8r7c8|12,r8c0r8c1|7,r8c7r8c8", "solution": "962481537147935682835276914591348276384762159276519348413697825628154793759823461", "extra": "{\"grid_size\": 9, \"puzzle_number\": 5998, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6000, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-09-19", "puzzle": 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"19,r0c0r0c1r1c0r1c1|12,r0c3r0c4|0,r0c6r0c7|6,r0c2r1c2|15,r0c5r1c4r1c5|8,r1c6r1c7|0,r0c8r1c8|12,r2c0r2c1|0,r2c5r2c6r2c7r2c8|0,r1c3r2c2r2c3r2c4r3c1r3c2r3c3r4c2|19,r3c4r3c5r4c3r4c4r5c3|6,r3c6r4c6|0,r3c0r4c0|11,r3c7r4c7|7,r3c8r4c8|14,r4c1r5c0r5c1|35,r4c5r5c4r5c5r5c6r6c5|15,r5c7r5c8|0,r6c3r6c4|29,r6c6r6c7r6c8r7c6r8c6|4,r6c0r7c0|0,r6c1r7c1|22,r5c2r6c2r7c2r8c2|0,r7c3r7c4|11,r8c0r8c1|0,r8c3r8c4|6,r7c5r8c5|16,r7c7r7c8r8c7r8c8", "solution": "261574839745983261938126745876412593593768124412359687129647358387295416654831972", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6001, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6002, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-09-19", "puzzle": "14,r0c1r0c2r0c3|0,r0c5r0c6r0c7r1c7|12,r0c0r1c0|0,r1c1r1c2|23,r0c4r1c3r1c4r2c4|9,r0c8r1c8|9,r2c1r2c2|0,r1c5r2c5|0,r1c6r2c6r2c7r3c6r3c7|0,r2c0r3c0r4c0|0,r3c1r3c2r4c2|0,r2c3r3c3r3c4r4c3|11,r2c8r3c8|22,r3c5r4c4r4c5r5c5|20,r4c6r4c7r5c6|20,r4c1r5c0r5c1r5c2|12,r5c3r5c4|4,r4c8r5c8|6,r6c2r7c2|12,r6c5r6c6r7c6|22,r5c7r6c7r6c8|16,r6c0r7c0r8c0|0,r6c1r7c1|8,r6c3r6c4r7c3|10,r7c4r7c5|10,r8c1r8c2|13,r8c3r8c4|8,r8c5r8c6|0,r7c7r7c8r8c7r8c8", "solution": "871652934429813675563794812718365429346279581295481763654128397982537146137946258", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6002, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6003, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-09-20", "puzzle": "17,r0c4r0c5|11,r0c0r1c0|11,r0c1r1c1|7,r0c2r1c2|13,r0c3r1c3|8,r0c6r0c7r1c6|16,r0c8r1c7r1c8|14,r2c1r2c2|6,r1c4r2c4|6,r1c5r2c5|14,r2c7r2c8|3,r2c0r3c0|9,r3c1r3c2|16,r2c3r3c3r3c4|16,r2c6r3c5r3c6|14,r3c7r3c8r4c8|11,r4c1r4c2|13,r4c3r4c4r4c5|16,r4c6r4c7|21,r4c0r5c0r5c1|12,r5c2r5c3r6c2|13,r5c4r5c5r6c5|10,r5c6r5c7|5,r5c8r6c8|8,r6c0r6c1|12,r6c3r7c3|8,r6c4r7c4|11,r6c6r6c7|14,r7c0r7c1r8c0|19,r7c2r8c1r8c2|16,r7c5r8c5|14,r7c6r8c6|5,r7c7r8c7|12,r7c8r8c8|4,r8c3r8c4", "solution": "371698524846752139259314786127946358465283971983571462714865293538429617692137845", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6003, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6004, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-09-20", "puzzle": "11,r0c1r0c2r0c3r1c1|21,r0c4r0c5r1c5|11,r0c0r1c0|22,r1c3r1c4r2c4r2c5r3c4|20,r0c6r0c7r1c6|19,r0c8r1c7r1c8|19,r1c2r2c1r2c2|4,r2c7r2c8|14,r2c0r3c0|11,r2c3r3c3|6,r2c6r3c5r3c6|32,r3c1r3c2r4c0r4c1r5c1r5c2|17,r4c2r4c3r4c4|8,r4c5r4c6|9,r3c7r4c7r5c7|19,r3c8r4c8r5c8|10,r5c0r6c0|6,r5c3r6c3|23,r5c5r5c6r6c6|16,r6c1r6c2r7c2|10,r6c7r6c8|5,r7c0r8c0|24,r5c4r6c4r6c5r7c3r7c4|16,r7c6r8c6r8c7|13,r7c7r7c8r8c8|25,r7c1r8c1r8c2r8c3|14,r7c5r8c4r8c5", "solution": "913286574254317869687459213869743125542961738371528946735194682198632457426875391", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6004, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6005, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-09-20", "puzzle": "12,r0c0r0c1|5,r0c2r0c3|7,r0c4r0c5|10,r1c0r1c1|9,r1c2r1c3|45,r0c6r0c7r0c8r1c6r1c7r1c8r2c6r2c7r2c8|27,r1c4r1c5r2c3r2c4|12,r2c0r3c0r4c0|15,r2c1r3c1|15,r2c2r3c2|10,r2c5r3c5r3c6|10,r3c8r4c8|8,r4c2r4c3|23,r3c7r4c6r4c7r5c6|15,r5c2r5c3r6c2r6c3|8,r5c4r6c4|32,r3c3r3c4r4c4r4c5r5c5|12,r5c7r6c7|10,r5c8r6c8|14,r5c0r6c0|5,r6c5r6c6|32,r4c1r5c1r6c1r7c1r7c2r7c3r7c4|9,r7c5r7c6|5,r7c7r8c7|16,r7c8r8c8|15,r7c0r8c0r8c1|9,r8c2r8c3|15,r8c4r8c5r8c6", "solution": "843261795195487263276935841789542316321796584564318972932674158417853629658129437", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6005, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6006, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2012-09-20", "puzzle": 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"0,r0c0r0c1r1c1|7,r0c2r0c3|6,r0c5r0c6|14,r0c7r0c8r1c7|0,r0c4r1c4|0,r1c0r2c0r3c0|0,r1c2r1c3r2c2|18,r1c5r1c6r2c6|6,r1c8r2c8r3c8|4,r2c1r3c1|40,r2c3r2c4r2c5r3c2r3c3r3c5r3c6|13,r2c7r3c7|8,r4c0r4c1|0,r4c2r4c3|13,r3c4r4c4|4,r4c5r4c6|16,r4c7r4c8|0,r5c0r5c1|14,r5c7r5c8|0,r5c2r6c1r6c2|0,r5c3r6c3|9,r5c4r6c4|0,r5c5r6c5|16,r5c6r6c6r6c7|10,r6c0r7c0|0,r7c1r7c2r7c3|0,r7c5r7c6r7c7|0,r6c8r7c8|14,r8c0r8c1|0,r8c2r8c3|7,r7c4r8c4|0,r8c5r8c6|6,r8c7r8c8", "solution": "376192458892645713415837692739286541268451379541379286153924867924768135687513924", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6017, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6018, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-09-23", "puzzle": 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"10,r0c0r0c1|15,r0c2r0c3r0c4|7,r1c1r1c2|11,r1c3r1c4|16,r0c5r1c5|10,r0c7r0c8r1c7r1c8|12,r1c0r2c0|17,r2c1r2c2r2c3r2c4|0,r0c6r1c6r2c6r2c7r2c8|6,r3c0r3c1|28,r2c5r3c4r3c5r3c6r4c5|0,r3c7r3c8|10,r3c2r4c2|0,r4c7r5c7|12,r4c0r5c0|0,r4c1r5c1|0,r3c3r4c3r4c4r5c4r5c5|15,r4c8r5c8r6c8|9,r6c0r6c1|23,r5c2r5c3r6c2r6c3|0,r6c4r6c5|19,r4c6r5c6r6c6r7c6|0,r6c7r7c7|0,r7c0r7c1r8c0r8c1|0,r7c2r8c2|11,r7c3r7c4|0,r7c5r8c5|0,r7c8r8c8|12,r8c3r8c4|6,r8c6r8c7", "solution": "285469731961387524374152869153698472897245613426731985542816397738924156619573248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6021, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6022, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2012-09-23", "puzzle": "9,r0c1r0c2|15,r0c3r0c4r0c5|0,r0c6r0c7|0,r0c0r1c0|9,r0c8r1c8|15,r1c1r2c1r3c1|0,r1c2r2c2r3c2r4c2|25,r1c3r1c4r1c5r2c3r2c5|28,r1c6r2c6r3c6r4c6|0,r1c7r2c7r3c7|6,r2c0r3c0|39,r2c4r3c4r4c4r5c4r6c4r7c4r8c4|0,r2c8r3c8|0,r3c3r4c3|14,r3c5r4c5|24,r4c0r4c1r5c0r5c1r6c1|0,r5c2r5c3|9,r5c5r5c6|27,r4c7r4c8r5c7r5c8r6c7|8,r6c2r6c3|4,r6c5r6c6|15,r6c0r7c0|0,r7c1r7c2r8c2|0,r7c6r7c7r8c6|0,r6c8r7c8|11,r8c0r8c1|9,r7c3r8c3|10,r7c5r8c5|16,r8c7r8c8", "solution": "927843651516927438483156729264785913175369842398214576742691385839572164651438297", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6022, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6023, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-09-24", "puzzle": "16,r0c0r0c1r0c2|3,r0c4r0c5|14,r0c3r1c3r2c3|9,r0c6r1c6|7,r0c7r1c7|12,r0c8r1c8|12,r1c0r1c1r2c0|5,r2c1r3c1|16,r1c2r2c2|22,r1c4r1c5r2c4|10,r2c6r2c7|9,r2c5r3c5|17,r3c6r3c7|9,r2c8r3c8|12,r3c0r4c0r4c1|9,r3c2r4c2|6,r3c3r4c3|11,r4c5r5c5|9,r4c6r5c6|10,r4c7r4c8r5c8|11,r5c0r6c0|14,r5c1r5c2|17,r5c3r6c3|17,r3c4r4c4r5c4|14,r6c1r6c2|17,r6c4r7c3r7c4|9,r6c6r7c6|10,r5c7r6c7|21,r6c8r7c7r7c8|10,r7c0r8c0|10,r7c1r8c1|6,r7c2r8c2|14,r6c5r7c5r8c5|5,r8c3r8c4|12,r8c6r8c7r8c8", "solution": "853712469267489513419356827741563982328197645695824371586971234132645798974238156", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6023, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6024, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-09-24", "puzzle": 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"15,r0c0r0c1r1c0|20,r0c2r0c3r0c4|9,r0c7r0c8r1c8|0,r0c5r1c5|12,r1c1r2c0r2c1|0,r1c2r2c2|18,r1c3r1c4r2c3r2c4|0,r2c5r2c6r3c6|28,r0c6r1c6r1c7r2c7r2c8|12,r3c2r3c3r4c2|23,r3c4r3c5r4c5|11,r3c7r3c8|11,r3c0r4c0|0,r3c1r4c1|0,r5c1r5c2|19,r4c3r4c4r5c3r5c4|0,r5c5r6c4r6c5|22,r4c6r4c7r5c6r5c7|0,r4c8r5c8r6c8|13,r5c0r6c0|15,r6c1r6c2r7c2|0,r6c6r6c7|0,r7c0r7c1r8c0r8c1|7,r6c3r7c3|0,r7c4r7c5|13,r7c6r7c7r8c6|22,r7c8r8c7r8c8|10,r8c2r8c3|6,r8c4r8c5", "solution": "769835124285419673134762895517296438693548712428371956972683541346157289851924367", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6026, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6027, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-09-24", "puzzle": "13,r0c1r0c2|11,r0c7r0c8r1c7|16,r0c0r1c0r1c1|8,r0c3r1c3|12,r0c4r1c4|11,r0c5r1c5|6,r0c6r1c6|12,r2c0r2c1r3c0|29,r1c2r2c2r2c3r2c4r2c5r3c4|19,r2c6r2c7r3c7|16,r1c8r2c8|4,r3c5r3c6|8,r4c0r5c0|0,r3c1r4c1|0,r3c2r3c3r4c2|22,r4c3r4c4r4c5|20,r4c6r5c5r5c6|0,r4c7r5c7|0,r3c8r4c8|7,r5c2r5c3|9,r6c0r7c0|0,r5c1r6c1r6c2|30,r5c4r6c3r6c4r6c5r6c6r7c6|0,r5c8r6c7r6c8|13,r7c2r8c2|0,r7c3r8c3|0,r7c4r8c4|0,r7c5r8c5|17,r7c7r7c8r8c8|0,r7c1r8c0r8c1|15,r8c6r8c7", "solution": "358749162764182539129356847985421376673598421241637958592864713416973285837215694", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6027, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6028, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-09-25", "puzzle": "11,r0c0r0c1r0c2|22,r0c3r0c4r0c5|10,r0c6r0c7r1c7|15,r1c0r1c1r2c1|10,r1c2r2c2|11,r1c5r1c6|12,r0c8r1c8|8,r1c3r1c4r2c3|12,r2c4r2c5|15,r2c6r2c7r2c8|15,r2c0r3c0|12,r3c2r3c3|15,r3c4r3c5r4c5|4,r3c6r3c7|17,r3c1r4c0r4c1|6,r4c2r5c2|17,r4c6r4c7r5c6|16,r3c8r4c8r5c8|12,r5c0r5c1|12,r4c3r4c4r5c3|10,r5c4r5c5|12,r5c7r6c7|14,r6c0r6c1r7c0|12,r6c5r6c6|23,r6c2r7c2r8c2|10,r6c3r6c4r7c3|12,r6c8r7c7r7c8|8,r7c1r8c0r8c1|16,r7c4r8c3r8c4|10,r7c5r8c5|11,r7c6r8c6|15,r8c7r8c8", "solution": "812967453467523819953184726624895137785231964391746285578619342246378591139452678", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6028, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6029, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-09-25", "puzzle": "9,r0c5r0c6|8,r0c7r0c8|29,r0c0r0c1r0c2r0c3r1c0r1c1|14,r1c2r1c3r2c2|17,r0c4r1c4|20,r1c6r1c7r1c8|13,r2c0r3c0|8,r2c3r2c4|12,r1c5r2c5r3c5|3,r2c6r3c6|12,r2c7r2c8|23,r2c1r3c1r3c2r4c2|30,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|15,r3c8r4c8|9,r4c1r5c1|9,r3c7r4c7|5,r4c0r5c0|26,r4c6r5c6r5c7r6c7|7,r6c0r6c1|10,r5c2r6c2|11,r5c3r6c3r7c3|8,r6c4r6c5|11,r5c8r6c8|21,r7c0r7c1r7c2|13,r7c4r8c4|19,r6c6r7c5r7c6|21,r7c7r7c8r8c5r8c6r8c7r8c8|11,r8c0r8c1|11,r8c2r8c3", "solution": "248596317731482965569713284895347126423651879176829543614235798957168432382974651", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6029, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6030, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-09-25", "puzzle": "3,r0c1r0c2|23,r0c3r0c4r0c5r0c6|11,r1c2r1c3r2c2|28,r0c7r0c8r1c7r1c8|23,r1c1r2c1r3c1|8,r1c4r2c4|20,r1c5r1c6r2c5|8,r2c7r2c8r3c8|28,r0c0r1c0r2c0r3c0r4c0|9,r2c3r3c3|12,r2c6r3c4r3c5r3c6|18,r3c2r4c1r4c2r5c1|19,r4c3r4c4r4c5|20,r3c7r4c6r4c7r5c6|16,r5c2r5c3r5c4r6c2|9,r5c5r6c5|27,r4c8r5c8r6c8r7c8r8c8|11,r5c0r6c0r6c1|13,r6c3r7c2r7c3|16,r6c4r7c4|16,r5c7r6c7r7c7|21,r7c0r7c1r8c0r8c1|18,r6c6r7c5r7c6|20,r8c2r8c3r8c4r8c5|8,r8c6r8c7", "solution": "421857396963124785587369214798645123315982467642731859234598671156273948879416532", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6030, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6031, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-09-25", "puzzle": "24,r0c0r0c1r1c0r1c1|22,r0c4r0c5r1c4|7,r0c6r0c7|17,r0c2r0c3r1c2r1c3|21,r1c6r1c7r2c7|3,r0c8r1c8|21,r2c0r2c1r3c0r3c1|0,r2c2r2c3r3c2r3c3|0,r1c5r2c5r2c6|9,r2c4r3c4r3c5|3,r3c6r3c7|0,r2c8r3c8|0,r4c2r4c3r5c3|0,r4c4r4c5r5c4|14,r4c0r4c1r5c0|9,r5c1r5c2r6c2|0,r4c7r4c8r5c7|35,r4c6r5c5r5c6r6c4r6c5r6c6|11,r5c8r6c8|0,r6c0r7c0|23,r6c1r7c1r7c2|0,r6c3r7c3|17,r7c4r7c5r8c4|0,r6c7r7c6r7c7|6,r8c0r8c1|10,r8c2r8c3|8,r8c5r8c6|0,r7c8r8c7r8c8", "solution": "951867342463592871728413569849635127675129438132748956394271685286954713517386294", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6031, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6033, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-09-26", "puzzle": 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"14,r0c3r0c4r0c5|30,r0c0r0c1r0c2r1c0|26,r1c2r1c3r1c4r1c5r1c6r2c4|15,r0c6r0c7r0c8r1c8|9,r1c1r2c1r3c1|9,r2c2r2c3|8,r2c5r2c6|21,r1c7r2c7r3c7|9,r2c0r3c0|6,r3c2r3c3|15,r3c5r3c6|12,r2c8r3c8|23,r3c4r4c3r4c4r4c5|19,r4c0r4c1r5c0|9,r4c2r5c2|13,r5c3r5c4r5c5|12,r4c6r5c6|9,r4c7r4c8r5c8|9,r5c1r6c1|12,r6c2r6c3|13,r6c5r6c6|7,r5c7r6c7|13,r6c0r7c0r8c0|15,r7c2r7c3|19,r6c4r7c4r8c4|7,r7c5r7c6|18,r6c8r7c8r8c8|10,r7c1r8c1|6,r8c2r8c3|8,r8c5r8c6|9,r7c7r8c7", "solution": "789635124652941378431872659514267893293458761876319542127584936968723415345196287", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6034, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6032, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2012-09-25", "puzzle": 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"16,r0c0r0c1|10,r0c3r0c4r1c4|20,r0c5r0c6r1c5|16,r0c7r0c8r1c8|11,r1c0r1c1|4,r0c2r1c2|6,r2c1r2c2|15,r1c3r2c3r2c4|25,r1c6r1c7r2c6r2c7|10,r2c8r3c7r3c8|16,r2c0r3c0r3c1|38,r3c2r3c3r3c4r4c4r4c5r5c5r6c5|11,r2c5r3c5r3c6|13,r4c2r4c3|17,r4c7r4c8r5c8|24,r4c0r4c1r5c0r5c1r6c0|12,r4c6r5c6r5c7|31,r5c2r5c3r6c1r6c2r6c3r7c2|14,r5c4r6c4|7,r6c6r7c6|12,r6c7r6c8|5,r7c7r8c7|13,r7c8r8c8|17,r7c0r7c1r8c0r8c1|23,r7c3r7c4r8c2r8c3r8c4|19,r7c5r8c5r8c6", "solution": "791548362653219478842673591268931745139457286475862913926384157387195624514726839", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6035, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6036, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2012-09-26", "puzzle": "19,r0c2r0c3r1c2|12,r0c5r0c6r1c6|0,r0c0r1c0r2c0|5,r0c1r1c1|25,r0c4r1c3r1c4r1c5|6,r0c7r1c7|16,r0c8r1c8r2c8|0,r2c1r3c0r3c1r4c0|28,r2c2r2c3r3c2r3c3r4c3|10,r2c4r3c4|22,r2c5r2c6r3c5r3c6r4c5|19,r2c7r3c7r3c8r4c8|0,r4c1r5c1|0,r4c2r5c2|3,r4c4r5c4|0,r4c6r5c6|14,r4c7r5c7|6,r5c0r6c0|7,r6c1r6c2|5,r5c3r6c3|8,r5c5r6c5|15,r6c6r6c7|0,r5c8r6c8|0,r7c1r7c2|24,r6c4r7c3r7c4r7c5|5,r7c6r7c7|0,r7c0r8c0|0,r8c1r8c2|0,r8c3r8c4r8c5|0,r8c6r8c7|11,r7c8r8c8", "solution": "839451627726938541415762398692847153354619782178325469561293874947186235283574916", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6036, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6037, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2012-09-26", "puzzle": "3,r0c0r0c1|7,r0c2r0c3|23,r0c5r0c6r0c7r1c6|38,r1c0r1c1r1c2r1c3r2c0r2c2|13,r0c4r1c4|6,r0c8r1c8|0,r1c5r2c5|19,r1c7r2c6r2c7|0,r2c1r3c0r3c1|5,r2c3r3c3|7,r2c4r3c4|9,r2c8r3c8|13,r4c0r4c1|0,r3c2r4c2|0,r3c5r3c6r3c7r4c5|19,r5c0r5c1r5c2r6c0r7c0|16,r4c3r5c3r6c3r6c4|20,r4c4r5c4r5c5|5,r4c6r5c6|0,r4c7r4c8r5c7|0,r6c5r6c6r6c7r7c7r7c8|0,r5c8r6c8|0,r6c1r6c2r7c1r7c2r8c2|0,r7c3r7c4r7c5r8c5|7,r8c0r8c1|15,r8c3r8c4|15,r7c6r8c6r8c7r8c8", "solution": "214396875367548291859127643782451936946732158135689427673214589491875362528963714", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6037, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6038, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-09-27", "puzzle": "18,r0c0r0c1r0c2|14,r0c3r0c4r0c5|13,r0c6r0c7r0c8|7,r1c0r1c1r1c2|17,r1c6r1c7r1c8|12,r2c0r2c1|8,r1c3r2c3|12,r1c4r2c4|11,r1c5r2c5|6,r2c7r2c8|17,r2c2r3c2|13,r3c3r3c4r3c5|10,r2c6r3c6|14,r3c0r4c0r5c0|11,r3c1r4c1r5c1|15,r4c2r4c3r5c2|19,r4c5r4c6r5c6|20,r3c7r4c7r5c7|14,r3c8r4c8r5c8|11,r5c3r6c3|4,r5c5r6c5|19,r6c1r6c2r7c1|12,r4c4r5c4r6c4|14,r6c6r6c7r7c7|14,r6c0r7c0r8c0|16,r7c2r7c3r8c3|20,r7c5r7c6r8c5|14,r6c8r7c8r8c8|11,r8c1r8c2|7,r7c4r8c4|12,r8c6r8c7", "solution": "963284715124795368758136924479562183835419672216873459587341296641928537392657841", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6038, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6040, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-09-27", "puzzle": "24,r0c0r0c1r1c0r1c1r2c0|30,r0c3r0c4r0c5r0c6r1c3r1c6|7,r0c2r1c2|8,r1c4r1c5|11,r2c2r2c3|11,r2c4r2c5|13,r1c7r2c6r2c7r3c6|28,r0c7r0c8r1c8r2c8|18,r2c1r3c0r3c1|14,r3c2r3c3r3c4|8,r3c7r3c8|28,r4c0r4c1r4c2r4c3r4c4|15,r3c5r4c5r5c5|16,r4c6r4c7r4c8|12,r5c0r5c1r6c1|20,r5c2r5c3r5c4|7,r5c7r5c8|9,r6c2r6c3|12,r6c4r6c5|17,r5c6r6c6r6c7r7c7|22,r6c8r7c8r8c7r8c8|7,r7c2r8c2|13,r7c4r7c5|28,r6c0r7c0r7c1r8c0r8c1|27,r7c3r7c6r8c3r8c4r8c5r8c6", "solution": "746812395821953746395647218459328671268571439137496852582739164674185923913264587", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6040, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6039, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-09-27", "puzzle": "17,r0c0r0c1r0c2|8,r0c3r0c4|19,r0c5r0c6r1c6|16,r1c0r1c1r2c0r2c1|28,r1c2r1c3r2c2r2c3|11,r1c4r1c5|7,r0c7r1c7|4,r0c8r1c8|23,r2c4r2c5r2c6r2c7r3c7|8,r3c1r3c2|12,r3c5r3c6|13,r2c8r3c8|21,r3c0r4c0r4c1r5c0|45,r3c3r3c4r4c2r4c3r4c4r4c5r4c6r5c2r5c5|19,r4c7r4c8r5c6r5c7r5c8|27,r5c3r5c4r6c3r6c4r7c4|14,r5c1r6c1r6c2|12,r6c6r6c7r6c8|10,r6c0r7c0|13,r7c1r7c2r7c3|22,r6c5r7c5r8c5|23,r8c0r8c1r8c2r8c3r8c4|17,r7c6r7c7r8c6|16,r7c8r8c7r8c8", "solution": "917264853654938721328715469162583974589471632743692185891357246275146398436829517", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6039, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6041, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2012-09-27", "puzzle": "0,r0c0r0c1r0c2|5,r0c6r0c7|0,r0c3r0c4r1c2r1c3r1c4r2c3|8,r0c5r1c5r1c6|0,r0c8r1c7r1c8|12,r1c0r1c1r2c0|9,r2c1r2c2|16,r2c5r2c6|0,r3c0r3c1|0,r3c2r3c3|8,r2c7r3c7|14,r2c8r3c8|0,r4c0r4c1|0,r4c2r5c2|16,r4c3r5c3|7,r3c5r4c5|0,r3c6r4c6|0,r4c7r4c8|13,r5c0r6c0|14,r5c1r6c1|0,r5c5r5c6|6,r5c7r5c8|9,r6c2r6c3|23,r2c4r3c4r4c4r5c4r6c4|7,r6c6r6c7|16,r6c8r7c7r7c8|9,r7c0r7c1r8c0|10,r7c2r7c3r8c3|36,r6c5r7c4r7c5r7c6r8c4r8c5|11,r8c1r8c2|15,r8c6r8c7r8c8", "solution": "485691237917253468263847915826435179349712856751986342698174523132568794574329681", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6041, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6042, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2012-09-27", "puzzle": "5,r0c0r0c1|12,r0c3r0c4r1c3|11,r0c7r0c8|14,r0c2r1c2|18,r0c5r0c6r1c5|14,r1c6r1c7r1c8|18,r1c0r1c1r2c0r3c0|0,r2c2r2c3|11,r1c4r2c4|9,r2c5r2c6|11,r2c7r2c8r3c8|0,r2c1r3c1r3c2|0,r3c3r3c4|0,r3c6r3c7|0,r4c2r4c3|0,r3c5r4c5|19,r4c6r4c7r5c6r5c7|14,r4c0r5c0r6c0|17,r4c1r5c1|0,r4c4r5c4r5c5|0,r4c8r5c8|18,r5c2r5c3r6c2r6c3|9,r6c1r7c1|13,r7c2r7c3|16,r6c4r6c5r7c4|17,r6c6r7c5r7c6|5,r6c7r7c7|8,r6c8r7c8|18,r7c0r8c0r8c1|0,r8c2r8c3|0,r8c4r8c5|22,r8c6r8c7r8c8", "solution": "328179456176485329459632781641758932597324168283961574734296815965817243812543697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6042, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6043, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-09-28", "puzzle": "14,r0c0r0c1r0c2|16,r0c5r0c6r1c6|9,r1c0r1c1|20,r1c2r2c2r2c3|24,r0c3r0c4r1c3|6,r1c4r1c5|8,r0c7r0c8r1c7|12,r1c8r2c8|8,r2c0r2c1|6,r2c4r2c5|20,r2c6r2c7r3c7|9,r3c0r3c1|13,r3c2r3c3r3c4|14,r3c5r3c6r4c6|15,r3c8r4c8|10,r4c2r4c3|10,r4c4r4c5|5,r4c7r5c7|3,r4c0r5c0|23,r4c1r5c1r5c2|13,r5c3r5c4|13,r6c0r6c1|8,r6c2r6c3|11,r5c5r6c5|13,r5c6r6c6r6c7|9,r5c8r6c8|15,r7c0r7c1|6,r7c2r7c3|8,r6c4r7c4|8,r7c6r7c7|14,r8c0r8c1r8c2|8,r8c3r8c4|9,r7c5r8c5|17,r8c6r8c7|8,r7c8r8c8", "solution": "428973651639815724715624938543197286287346519196582347851739462962458173374261895", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6043, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6044, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-09-28", "puzzle": "24,r0c2r0c3r0c4r0c5|12,r0c6r0c7r0c8r1c6|20,r0c0r1c0r2c0|10,r0c1r1c1|21,r1c2r1c3r1c4r2c4|29,r1c7r1c8r2c8r3c8|6,r2c1r2c2r2c3|9,r1c5r2c5|9,r2c6r2c7|8,r3c0r3c1|18,r3c2r3c3r4c2|8,r3c4r4c4r5c4|19,r3c5r3c6r3c7r4c5|33,r4c0r4c1r5c0r5c1r5c2r6c2|13,r4c3r5c3|14,r4c6r4c7r5c6|14,r4c8r5c8|13,r6c1r7c1|11,r6c3r6c4r7c4|15,r5c5r6c5r7c5|11,r5c7r6c7|11,r6c0r7c0|19,r7c2r7c3r8c2r8c3|31,r6c6r7c6r8c6r8c7r8c8|7,r6c8r7c7r7c8|9,r8c0r8c1|11,r8c4r8c5", "solution": "938574162574261389612398457263849715457612938189735246896123574345987621721456893", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6044, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6045, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-09-28", "puzzle": 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"33,r0c4r0c5r0c6r1c4r1c5r2c5|11,r0c0r1c0|12,r0c1r1c1|18,r0c2r0c3r1c2r1c3|11,r0c7r1c7r2c7|15,r0c8r1c8|9,r1c6r2c6|5,r2c0r3c0|0,r2c1r3c1|17,r2c2r2c3r3c2r3c3|5,r2c4r3c4|0,r2c8r3c8|9,r4c0r4c1|21,r4c2r4c3r4c4|16,r3c5r4c5r5c5|0,r4c7r4c8|0,r5c0r6c0|0,r5c1r6c1|23,r5c2r5c3r6c2r6c3|5,r5c4r6c4|32,r3c6r3c7r4c6r5c6r5c7|0,r5c8r6c8|11,r6c6r7c6|0,r7c0r8c0|13,r7c1r8c1|0,r7c2r7c3r8c2r8c3|0,r6c7r7c7r8c7|4,r7c8r8c8|27,r6c5r7c4r7c5r8c4r8c5r8c6", "solution": "376259148859164327412738659163527894724893516985416732238641975641975283597382461", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6046, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6048, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-09-29", "puzzle": 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"23,r0c0r0c1r0c2|8,r0c3r0c4|9,r0c6r0c7r1c6|7,r1c0r1c1r1c2|15,r1c3r1c4|15,r0c5r1c5|13,r0c8r1c7r1c8|10,r2c1r2c2|3,r2c3r2c4|16,r2c5r2c6r3c5|8,r2c7r3c7|13,r2c0r3c0|21,r3c3r3c4r4c4|22,r3c1r4c0r4c1|14,r3c2r4c2r4c3|8,r3c6r4c6r4c7|19,r2c8r3c8r4c8|8,r5c0r5c1r5c2|8,r5c3r5c4|6,r4c5r5c5|12,r5c8r6c8|13,r6c3r6c4r7c4|14,r5c6r6c5r6c6|24,r5c7r6c7r7c7|6,r6c0r7c0|7,r6c1r7c1|17,r6c2r7c2|23,r7c5r7c6r8c5|15,r8c0r8c1r8c2|15,r7c3r8c3r8c4|7,r8c6r8c7|6,r7c8r8c8", "solution": "986537241124968357537214968875493126692781435341625789468172593219356874753849612", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6082, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6083, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-10-06", "puzzle": "15,r0c0r0c1|14,r0c3r0c4r1c3r1c4|15,r1c0r1c1|7,r0c2r1c2|15,r0c5r0c6r1c5|21,r0c7r0c8r1c7r1c8|7,r2c2r2c3|14,r1c6r2c6r2c7|11,r2c0r2c1r3c0|12,r3c2r3c3|11,r2c4r3c4|21,r2c5r3c5r3c6|12,r2c8r3c7r3c8|6,r3c1r4c1|10,r4c5r4c6|24,r4c7r4c8r5c7r5c8|18,r4c0r5c0r5c1|20,r5c2r5c3r6c2r6c3|29,r4c2r4c3r4c4r5c4r6c4|5,r5c5r6c5|14,r5c6r6c6|40,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|8,r6c7r6c8|10,r7c4r7c5|10,r7c7r8c7|8,r7c8r8c8|11,r7c3r8c3r8c4|17,r7c6r8c5r8c6", "solution": "873429156964715382521638479459386721712954638386172594245863917637291845198547263", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6083, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6085, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-10-06", "puzzle": "0,r0c2r0c3r0c4|11,r0c0r0c1r1c0|24,r1c1r1c2r2c1|0,r1c4r2c4|0,r0c5r1c5|11,r0c6r1c6|13,r0c7r1c7r2c7|12,r0c8r1c8r2c8|23,r2c5r2c6r3c5|15,r2c0r3c0r4c0|0,r1c3r2c2r2c3r3c1r3c2|0,r3c3r3c4r4c3|11,r4c1r4c2|10,r4c4r4c5r5c4r5c5|7,r3c6r4c6|9,r3c7r4c7|15,r3c8r4c8|10,r5c0r5c1|11,r6c0r6c1|0,r5c2r5c3r6c2|6,r6c3r6c4|32,r5c6r5c7r6c5r6c6r7c5|12,r5c8r6c7r6c8|14,r7c0r7c1r7c2|0,r7c3r7c4|24,r7c7r7c8r8c7r8c8|13,r8c0r8c1r8c2|0,r8c3r8c4|0,r7c6r8c5r8c6", "solution": "634971528289345671571826943742598316356712489198634752927153864815469237463287195", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6085, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6084, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-10-06", "puzzle": "11,r0c2r0c3r0c4|17,r0c5r0c6|21,r0c7r0c8r1c8r2c8r3c8|12,r0c0r1c0r2c0|10,r0c1r1c1|12,r1c6r1c7|15,r1c2r2c2r3c2|28,r1c3r1c4r2c3r3c3|9,r1c5r2c5|22,r2c1r3c0r3c1|3,r2c4r3c4|6,r2c6r3c5r3c6|14,r2c7r3c7|9,r4c1r4c2|16,r4c3r4c4r5c3|27,r4c5r4c6r5c5r6c5|23,r4c7r4c8r5c6r5c7r5c8|6,r5c1r5c2r6c1|11,r6c2r6c3|13,r5c4r6c4|12,r6c7r6c8r7c8|18,r4c0r5c0r6c0r7c0|31,r7c1r7c2r7c3r7c4r8c3r8c4|28,r6c6r7c5r7c6r7c7r8c5r8c6|20,r8c0r8c1r8c2|11,r8c7r8c8", "solution": "174258936532796481698413257765821394981345672423967518216579843349182765857634129", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6084, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6086, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-10-06", "puzzle": 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"16,r0c0r0c1r1c0r1c1|17,r0c2r0c3r0c4r0c5|10,r1c2r1c3|14,r0c6r1c5r1c6|12,r0c7r1c7|14,r0c8r1c8|21,r2c2r2c3r3c2r3c3|13,r1c4r2c4|18,r2c6r2c7r3c6|17,r2c0r3c0r4c0r5c0|9,r2c1r3c1|7,r2c5r3c5|13,r2c8r3c7r3c8|12,r4c1r4c2|16,r3c4r4c3r4c4|16,r4c5r4c6|9,r5c2r5c3|15,r5c5r5c6r6c5r6c6|9,r4c7r5c7|6,r4c8r5c8|19,r5c1r6c0r6c1|6,r5c4r6c4|10,r7c0r7c1|18,r6c2r6c3r7c2|11,r7c4r7c5|42,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|11,r8c0r8c1|19,r7c3r8c2r8c3|5,r8c4r8c5", "solution": "561394278239178456748265931157482693684539712392716584826951347913647825475823169", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6099, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6098, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-10-09", "puzzle": "12,r0c0r0c1r1c0|7,r0c5r0c6|20,r0c2r0c3r0c4r1c2|6,r1c3r1c4|38,r0c7r0c8r1c6r1c7r1c8r2c6r2c7|13,r1c1r2c1|15,r2c2r2c3|9,r1c5r2c4r2c5|10,r2c8r3c8|16,r2c0r3c0|9,r3c1r3c2|22,r3c6r3c7r4c6|7,r4c1r4c2|23,r4c3r4c4r5c3r5c4|22,r3c3r3c4r3c5r4c5r5c5|9,r4c7r5c7|8,r4c0r5c0r6c0|17,r5c1r5c2|8,r5c6r6c6|18,r6c1r6c2r7c2|8,r6c3r7c3|11,r6c4r7c4|6,r6c5r7c5|25,r4c8r5c8r6c7r6c8|9,r7c6r7c7|6,r7c8r8c7r8c8|20,r7c0r7c1r8c0r8c1|16,r8c2r8c3r8c4|15,r8c5r8c6", "solution": "243976185681425379957831426736219854425687931198543267372154698819762543564398712", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6098, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6101, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2012-10-09", "puzzle": "17,r0c2r0c3|21,r0c4r0c5r0c6r1c5|22,r0c0r1c0r2c0r3c0|10,r0c1r1c1|15,r1c2r1c3r1c4r2c3|19,r0c7r0c8r1c7r1c8|9,r1c6r2c6|12,r2c1r2c2r3c1|20,r2c4r2c5r3c3r3c4|5,r3c5r3c6|11,r2c7r3c7|14,r2c8r3c8|0,r4c0r4c1|0,r3c2r4c2r5c2|0,r4c3r4c4|10,r4c5r4c6|7,r4c7r4c8|0,r5c1r6c1r6c2|22,r5c3r5c4r6c4r6c5|0,r5c5r5c6|14,r5c7r6c7|0,r5c8r6c8|0,r6c6r7c6|17,r5c0r6c0r7c0r8c0|0,r7c1r8c1|26,r6c3r7c2r7c3r7c4|0,r7c7r7c8r8c7r8c8|10,r8c2r8c3|0,r7c5r8c4r8c5r8c6", "solution": "168927435743658129529134876915762348674381952832549761491276583257893614386415297", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6101, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6102, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-10-10", "puzzle": 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"22,r0c1r0c2r1c2|11,r0c6r0c7|6,r0c0r1c0r2c0|12,r0c3r0c4r1c3|21,r0c5r1c5r2c5|17,r0c8r1c7r1c8r2c8|18,r1c1r2c1r2c2r2c3|11,r1c4r2c4|17,r1c6r2c6r3c6|9,r3c0r3c1|12,r3c2r4c2r5c2|15,r2c7r3c7|12,r4c0r4c1|39,r3c3r3c4r3c5r4c3r4c4r5c3r5c4r5c5|8,r4c5r4c6|20,r3c8r4c7r4c8r5c8|12,r5c0r5c1|10,r5c7r6c7|26,r6c1r6c2r6c3r7c1|11,r6c4r7c4|14,r5c6r6c6r7c6|19,r6c0r7c0r8c0|17,r7c3r8c3r8c4|11,r6c5r7c5r8c5|18,r6c8r7c7r7c8r8c8|6,r7c2r8c1r8c2|11,r8c6r8c7", "solution": "169274385257368419348159762721435698935786241486912537594621873672893154813547926", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6144, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6146, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-10-18", "puzzle": 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"0,r0c0r0c1r1c0r1c1r1c2|13,r0c2r0c3|3,r0c5r0c6|30,r0c7r0c8r1c6r1c7r1c8|15,r0c4r1c4|0,r1c3r2c3|0,r1c5r2c5|16,r2c0r3c0|0,r2c1r3c1|9,r2c2r3c2|31,r2c4r3c3r3c4r3c5r4c3r4c4r4c5|0,r2c6r3c6|16,r2c7r3c7|6,r2c8r3c8|0,r4c0r4c1|5,r4c7r4c8|5,r4c2r5c2|21,r5c3r5c4r5c5r6c4|11,r4c6r5c6|0,r5c0r5c1r6c0r7c0|0,r6c2r6c3|14,r6c5r6c6|17,r5c7r5c8r6c8r7c8|0,r6c1r7c1r7c2r7c3|21,r6c7r7c5r7c6r7c7|14,r8c0r8c1r8c2|0,r7c4r8c3r8c4r8c5|13,r8c6r8c7r8c8", "solution": "357681249142579368986234571763412895591867432824953716638145927419728653275396184", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6176, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6177, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-10-25", "puzzle": "6,r0c4r0c5|16,r0c8r1c8r2c8|11,r0c0r1c0|16,r0c1r1c1r2c1|6,r0c2r1c2|11,r0c3r1c3|17,r1c4r1c5|9,r0c6r0c7r1c6|14,r2c2r2c3r2c4|13,r2c0r3c0|17,r3c1r3c2|3,r2c5r3c5|11,r2c6r3c6|14,r1c7r2c7r3c7|12,r4c0r4c1r4c2|15,r3c3r4c3r5c3|16,r4c5r4c6r4c7|17,r3c8r4c8r5c8|3,r5c0r6c0|8,r5c1r5c2|19,r3c4r4c4r5c4|11,r5c5r6c5|7,r5c6r6c6|12,r5c7r6c7r7c7|24,r6c2r6c3r6c4|14,r7c0r8c0|9,r6c1r7c1r8c1|13,r7c2r8c2|4,r7c3r8c3|11,r7c4r7c5|24,r7c6r8c6r8c7|10,r8c4r8c5|12,r6c8r7c8r8c8", "solution": "894715623362489175715632948689541237471263589253897461128974356947356812536128794", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6177, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6179, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-10-25", "puzzle": "30,r0c2r0c3r0c4r0c5r0c6r1c3r1c5|34,r0c0r0c1r1c0r2c0r3c0|14,r1c4r2c4|27,r0c7r0c8r1c8r2c8r3c8|11,r1c1r2c1|9,r1c7r2c7|12,r1c2r2c2r3c2|8,r2c3r3c3|13,r2c5r3c5|14,r1c6r2c6r3c6|8,r3c1r4c1|11,r4c2r4c3r5c3|12,r3c4r4c4|20,r4c5r4c6r5c5|3,r3c7r4c7|8,r4c0r5c0|16,r5c1r5c2r6c2r7c2|25,r5c6r5c7r6c6r7c6|12,r4c8r5c8|11,r6c0r6c1r7c0|7,r5c4r6c4|19,r6c7r6c8r7c8|32,r6c3r6c5r7c3r7c4r7c5r8c4|17,r7c1r8c0r8c1|15,r8c2r8c3|5,r8c5r8c6|12,r7c7r8c7r8c8", "solution": "765431892893752164421698735938245617657189423214367589372814956149526378586973241", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6179, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6178, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-10-25", "puzzle": "12,r0c1r0c2r1c1|9,r0c4r0c5r0c6|8,r0c0r1c0|16,r0c3r1c3|15,r1c5r1c6|17,r0c7r0c8r1c7|8,r1c2r2c2|11,r1c4r2c4|13,r1c8r2c8r3c8|25,r2c0r2c1r3c0r3c1|16,r2c3r3c2r3c3|33,r2c5r3c5r4c5r5c5r6c5|14,r2c6r2c7r3c6|5,r4c0r4c1|9,r4c2r4c3|19,r3c4r4c4r5c4|20,r3c7r4c6r4c7r4c8r5c7|19,r5c0r5c1r6c0r6c1|12,r5c2r5c3r6c3|11,r5c6r6c6r6c7|5,r6c2r7c2|9,r6c4r7c4|16,r5c8r6c8r7c8|14,r7c0r8c0|10,r7c3r8c3|10,r7c5r7c6|19,r7c7r8c7r8c8|21,r7c1r8c1r8c2|9,r8c4r8c5r8c6", "solution": "735912648142786953986534271268347519417295836593168427324879165851623794679451382", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6178, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6180, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-10-25", "puzzle": "0,r0c1r0c2|7,r0c5r0c6|13,r0c7r0c8|16,r0c0r1c0r2c0|0,r1c1r1c2|0,r0c3r0c4r1c3r1c4|17,r1c5r1c6|4,r1c7r1c8|0,r2c7r3c7|15,r2c1r3c0r3c1|24,r2c2r3c2r4c2r5c2r6c2|10,r2c3r3c3|4,r2c4r3c4|0,r3c5r4c5r5c5|14,r2c5r2c6r3c6|30,r2c8r3c8r4c8r5c8r6c8|16,r4c0r4c1|6,r4c3r4c4|0,r4c6r4c7|0,r5c0r5c1r6c1|12,r5c3r6c3|0,r5c4r6c4|9,r5c6r6c5r6c6|10,r5c7r6c7|0,r6c0r7c0r8c0|15,r7c1r7c2|0,r7c3r7c4r8c3r8c4|0,r7c5r7c6|7,r7c7r7c8|5,r8c1r8c2|0,r8c5r8c6|16,r8c7r8c8", "solution": "127963485654278931938415276485632719793154628216789543872591364369847152541326897", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6180, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6181, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-10-25", "puzzle": "13,r0c2r0c3|8,r0c5r0c6|0,r0c0r0c1r1c0|3,r0c4r1c4|0,r1c5r1c6|20,r0c7r1c7r2c7|0,r0c8r1c8|0,r1c1r1c2r2c1r2c2|9,r2c0r3c0|26,r1c3r2c3r3c1r3c2r3c3|13,r2c4r3c4|7,r2c5r2c6r3c5|0,r3c6r3c7|18,r2c8r3c8r4c8|0,r4c0r4c1|13,r4c2r4c3|44,r4c4r4c5r4c6r5c4r5c5r5c6r6c4r6c5|0,r5c2r5c3r6c2|0,r4c7r5c7|0,r5c0r6c0|9,r5c1r6c1|0,r6c6r6c7r7c6r7c7|0,r5c8r6c8|8,r7c0r7c1r7c2|4,r6c3r7c3|13,r7c4r7c5|11,r8c0r8c1|15,r8c2r8c3r8c4|14,r8c5r8c6|12,r7c8r8c7r8c8", "solution": "465827193278913645391654278624581739789436521153792486946178352512349867837265914", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6181, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6182, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-10-26", "puzzle": "16,r0c0r0c1r0c2|8,r0c3r0c4|5,r0c5r0c6|6,r1c0r1c1|8,r1c3r1c4|8,r1c6r2c6r2c7|15,r0c7r1c7|15,r0c8r1c8|16,r1c2r2c2|17,r2c3r2c4r3c3|13,r1c5r2c5|7,r2c0r3c0|6,r2c1r3c1|16,r3c4r3c5|14,r3c6r3c7r4c7|11,r2c8r3c8r4c8|12,r3c2r4c2|15,r4c3r4c4r4c5|13,r4c6r5c6|14,r4c0r5c0r6c0|22,r4c1r5c1r5c2|7,r5c3r5c4|3,r5c7r6c7|14,r5c8r6c8|11,r6c3r7c3|16,r5c5r6c4r6c5|16,r6c6r7c6|15,r7c0r8c0|7,r7c1r8c1|9,r6c1r6c2r7c2|11,r7c4r7c5|4,r7c7r7c8|14,r8c2r8c3|3,r8c4r8c5|18,r8c6r8c7r8c8", "solution": "583621497427539168619874253158297346394168572276345819961483725842756931735912684", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6182, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6183, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-10-26", "puzzle": "16,r0c1r0c2r0c3r0c4r0c5|12,r0c6r0c7|13,r0c0r1c0r2c0|16,r1c1r1c2|18,r1c4r1c5r1c6r2c5|15,r0c8r1c8|7,r2c1r2c2|12,r1c3r2c3|11,r2c6r3c6|5,r1c7r2c7|3,r3c0r3c1|13,r3c2r3c3|15,r2c4r3c4|9,r2c8r3c8|10,r4c0r4c1|7,r4c2r4c3|22,r3c5r4c4r4c5r5c5|28,r3c7r4c6r4c7r4c8r5c7|14,r5c0r5c1|10,r5c2r5c3|9,r5c4r6c4|15,r5c8r6c8|8,r6c1r6c2|11,r6c3r7c3|7,r5c6r6c6|13,r6c7r7c7|17,r6c0r7c0r8c0|5,r7c1r7c2|22,r6c5r7c4r7c5r7c6|5,r7c8r8c8|32,r8c1r8c2r8c3r8c4r8c5|5,r8c6r8c7", "solution": "863412759497538126152796834214967385735284691689153247926341578341875962578629413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6183, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6184, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-10-26", "puzzle": "22,r0c0r0c1r0c2r1c0|8,r1c1r1c2|15,r0c3r0c4r1c3|15,r0c5r1c4r1c5|29,r1c6r1c7r2c6r2c7|16,r0c6r0c7r0c8r1c8r2c8|11,r2c0r2c1|10,r2c2r2c3|22,r3c1r3c2r3c3r4c2|7,r2c4r3c4|12,r2c5r3c5r3c6|17,r3c7r3c8r4c7|8,r3c0r4c0|10,r4c5r4c6|7,r4c1r5c1|13,r5c2r5c3r6c3|15,r4c3r4c4r5c4|9,r5c6r6c6|17,r4c8r5c7r5c8|13,r5c0r6c0|17,r6c1r6c2r7c1r7c2|17,r5c5r6c4r6c5r7c5|12,r6c7r7c7|12,r7c3r7c4|14,r7c6r8c6|20,r7c0r8c0r8c1|5,r8c2r8c3|15,r8c4r8c5|17,r6c8r7c8r8c7r8c8", "solution": "685739421317542986294618573752963148146827359839154762568371294921485637473296815", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6184, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6185, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-10-26", "puzzle": 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"11,r0c1r0c2r1c1|0,r0c6r0c7|36,r0c0r1c0r2c0r2c1r3c0r4c0|0,r1c2r2c2|29,r0c3r0c4r0c5r1c3r1c4r1c5|5,r0c8r1c8|10,r1c6r2c6|23,r1c7r2c7r2c8r3c8|25,r2c3r2c4r3c3r3c4|6,r2c5r3c5|0,r3c6r3c7r4c7|4,r3c1r4c1|0,r3c2r4c2|0,r4c5r4c6|11,r5c0r5c1|26,r4c3r5c2r5c3r6c2r7c2r8c2|13,r4c4r5c4|0,r5c5r5c6r5c7|7,r6c0r6c1|22,r4c8r5c8r6c8|11,r7c0r7c1|5,r6c3r7c3|0,r6c4r6c5r6c6r6c7r7c4|0,r7c5r7c6|17,r7c7r7c8r8c8|14,r8c0r8c1|0,r8c3r8c4r8c5|5,r8c6r8c7", "solution": "754293861923618754186754392518942637639871425472365918345186279291437586867529143", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6215, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6218, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-11-02", "puzzle": 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"12,r0c0r0c1|23,r0c2r0c3r0c4r1c4r2c4|15,r0c5r0c6|16,r1c0r1c1r2c0|20,r1c2r1c3r2c3r3c3|9,r1c5r1c6|14,r0c7r1c7r2c7|13,r0c8r1c8r2c8|11,r2c2r3c2|13,r2c5r2c6r3c6|17,r2c1r3c0r3c1|7,r3c4r3c5|12,r4c0r4c1r4c2r4c3|12,r4c4r4c5|13,r4c6r4c7|15,r5c0r5c1r6c1|14,r5c4r5c5|27,r3c7r3c8r4c8r5c7r5c8|11,r5c2r6c2|12,r5c6r6c5r6c6|19,r6c0r7c0r7c1|30,r5c3r6c3r7c2r7c3|6,r7c5r7c6|12,r6c7r7c7r8c7|18,r6c8r7c8r8c8|5,r8c0r8c1|17,r6c4r7c4r8c2r8c3r8c4|12,r8c5r8c6", "solution": "571386924269541873834279156687425391425193768913768245758914632396852417142637589", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6219, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6220, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2012-11-02", "puzzle": 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"18,r0c0r0c1r0c2r1c0|19,r1c1r1c2r2c2|0,r0c3r0c4r0c5r1c3r1c5|0,r1c6r1c7r2c6|0,r0c6r0c7r0c8r1c8|17,r1c4r2c4|13,r2c0r3c0|0,r2c1r3c1|0,r2c3r3c2r3c3|0,r2c5r3c5r3c6|17,r2c7r3c7|5,r2c8r3c8|9,r3c4r4c4|20,r4c0r4c1r5c0r5c1|0,r4c2r5c2r6c2|17,r4c3r5c3|0,r4c5r5c5|0,r4c6r5c6r6c6|24,r4c7r4c8r5c7r5c8|9,r6c0r6c1|0,r5c4r6c4|0,r6c7r6c8|0,r7c1r7c2|40,r6c3r6c5r7c3r7c4r7c5r8c3r8c4r8c5|0,r7c6r7c7|4,r7c0r8c0|17,r8c1r8c2|3,r8c6r8c7|0,r7c8r8c8", "solution": "841673952539482716627591384783264591415937268962815473274158639156329847398746125", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6221, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6222, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-11-03", "puzzle": "15,r0c1r0c2|9,r0c5r0c6|15,r0c0r1c0r1c1|15,r0c3r0c4r1c3|10,r1c4r1c5|14,r0c7r1c6r1c7|16,r0c8r1c8r2c8|8,r2c0r2c1|13,r1c2r2c2r2c3|7,r2c4r2c5|13,r2c6r2c7|15,r3c0r3c1r3c2|3,r3c3r3c4|14,r3c5r3c6|13,r3c7r3c8|15,r4c0r4c1|9,r4c2r4c3|12,r4c4r4c5|9,r4c6r4c7r4c8|13,r5c0r5c1r5c2|8,r5c3r5c4|15,r5c5r5c6|9,r5c7r5c8|8,r6c0r6c1|17,r6c2r6c3r7c2|10,r6c4r6c5|13,r6c6r6c7|17,r7c0r7c1r8c0|11,r7c3r8c3r8c4|10,r7c4r7c5|14,r7c6r7c7r8c7|17,r6c8r7c8r8c8|12,r8c1r8c2|6,r8c5r8c6", "solution": "596847213284391765713652498375216849962784351148539672621973584457128936839465127", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6222, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6223, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-11-03", "puzzle": "20,r0c0r0c1r1c0|20,r0c2r0c3r1c2r2c2|21,r0c4r0c5r1c3r1c4r1c5|11,r0c6r1c6|18,r0c7r0c8r1c7|10,r2c3r2c4|17,r2c5r2c6|16,r1c1r2c0r2c1r3c0|15,r3c1r3c2r3c3|23,r1c8r2c7r2c8r3c7r3c8|24,r4c0r4c1r4c2r4c3|13,r3c4r4c4r5c4|10,r3c5r4c5r5c5|11,r3c6r4c6r5c6|4,r4c7r4c8|18,r5c0r6c0r6c1r7c1|20,r5c1r5c2r5c3|24,r5c7r5c8r6c7r6c8r7c8|10,r6c3r6c4|10,r6c5r6c6|21,r6c2r7c2r8c2r8c3|29,r7c3r7c4r7c5r8c4r8c5|8,r7c6r8c6|21,r7c7r8c7r8c8|11,r7c0r8c0r8c1", "solution": "498612357731459862265738914516843279982576431374921586857194623629387145143265798", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6223, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6224, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-11-03", "puzzle": 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"7,r0c1r0c2|4,r0c3r0c4|15,r0c0r1c0|23,r1c1r1c2r1c3|15,r0c5r1c4r1c5|10,r0c6r1c6|14,r0c7r0c8r1c7|5,r2c1r2c2|11,r2c3r2c4|21,r2c5r2c6r2c7|7,r1c8r2c8|16,r2c0r3c0r3c1|18,r3c2r3c3r3c4|13,r3c5r3c6r3c7|8,r3c8r4c8|9,r4c1r4c2|13,r4c3r4c4r4c5|14,r4c6r4c7|3,r4c0r5c0|17,r5c1r5c2r5c3|18,r5c4r5c5r5c6|17,r5c7r5c8r6c8|11,r6c0r7c0|16,r6c1r6c2r6c3|12,r6c4r6c5|3,r6c6r6c7|19,r7c1r8c0r8c1|4,r7c2r8c2|12,r7c3r7c4r8c3|17,r7c5r7c6r7c7|7,r7c8r8c8|14,r8c4r8c5|12,r8c6r8c7", "solution": "852316749769854312314927865495673281236481957178295436647539128581742693923168574", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6227, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6228, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-11-04", "puzzle": 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"18,r0c0r0c1r0c2|0,r0c4r0c5|18,r0c7r0c8r1c7r1c8|10,r0c3r1c3|16,r1c4r1c5r2c5r3c5|10,r0c6r1c6|4,r1c0r2c0|0,r1c1r2c1|7,r1c2r2c2|0,r2c3r2c4|13,r3c1r3c2r3c3|0,r2c6r3c6|12,r2c7r3c7|11,r2c8r3c8|10,r3c0r4c0|0,r4c1r4c2r4c3|0,r3c4r4c4r5c4|0,r4c5r4c6r4c7|12,r4c8r5c8|0,r5c0r6c0|0,r5c1r6c1|0,r5c2r6c2|0,r5c5r5c6r5c7|8,r6c4r6c5|9,r6c6r7c6|0,r6c7r7c7|9,r6c8r7c8|4,r7c2r8c2|25,r5c3r6c3r7c3r7c4|5,r7c5r8c5|20,r7c0r7c1r8c0r8c1|13,r8c3r8c4|0,r8c6r8c7r8c8", "solution": "846215937395847162172963845439152786617438529528679413984726351251394678763581294", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6285, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6286, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-11-15", "puzzle": 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"17,r0c0r0c1|4,r0c3r0c4|6,r0c2r1c2|14,r1c3r1c4|16,r1c5r1c6|19,r1c0r2c0r3c0r4c0|13,r1c1r2c1r3c1|7,r2c3r2c4|10,r2c5r2c6|27,r0c5r0c6r0c7r0c8r1c7r2c7|12,r1c8r2c8|11,r2c2r3c2|9,r3c5r3c6|29,r4c1r4c2r4c3r5c0r5c1|17,r3c7r3c8r4c5r4c6r4c7|10,r5c2r5c3|21,r3c3r3c4r4c4r5c4r5c5|11,r5c6r6c6|9,r6c0r7c0|30,r6c1r7c1r8c0r8c1r8c2r8c3|12,r6c2r6c3|14,r6c4r6c5|15,r5c7r6c7r7c7|23,r4c8r5c8r6c8r7c8|11,r7c2r7c3|5,r7c4r7c5|12,r7c6r8c6|9,r8c4r8c5|12,r8c7r8c8", "solution": "985134276321687954764259138857496321196823745243715689479368512532941867618572493", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6293, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6297, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2012-11-18", "puzzle": 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"16,r0c0r0c1r0c2|10,r0c3r0c4|8,r0c5r0c6|8,r1c2r1c3|17,r1c4r1c5r1c6|19,r0c7r0c8r1c7|17,r2c2r2c3|12,r2c5r2c6r2c7r3c7|11,r1c8r2c8|24,r2c0r3c0r4c0r5c0r6c0|21,r1c0r1c1r2c1r3c1|6,r3c2r3c3|21,r2c4r3c4r3c5r3c6|3,r4c1r4c2|12,r4c3r4c4|15,r4c5r4c6|21,r3c8r4c7r4c8r5c8|19,r5c1r6c1r7c0r7c1|13,r5c2r5c3|21,r5c4r5c5r5c6r6c4|11,r6c2r6c3|11,r5c7r6c5r6c6r6c7|9,r6c8r7c8|16,r7c2r7c3|14,r7c4r7c5r7c6|18,r7c7r8c7r8c8|13,r8c0r8c1r8c2|4,r8c3r8c4|15,r8c5r8c6", "solution": "853647192716239584249851367495173628321486975678592431984765213137924856562318749", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6298, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6299, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-11-18", "puzzle": "9,r0c0r0c1|22,r0c4r0c5r1c4r1c5r2c4|16,r0c2r0c3r1c2|26,r0c6r0c7r1c6r1c7|7,r0c8r1c8|23,r1c0r1c1r2c0r2c1|14,r1c3r2c2r2c3|15,r2c6r2c7r3c7|19,r3c0r3c1r3c2r4c0r4c1|36,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|24,r2c5r3c5r3c6r4c6|5,r2c8r3c8|15,r5c0r6c0|20,r4c2r5c2r5c3r6c3|26,r4c7r4c8r5c6r5c7r5c8|16,r5c1r6c1r6c2|7,r6c5r6c6r7c5|18,r6c7r6c8r7c7r7c8|4,r7c0r8c0|24,r7c1r7c2r8c1r8c2|13,r7c6r8c5r8c6|31,r6c4r7c3r7c4r8c3r8c4|15,r8c7r8c8", "solution": "634529781587413926912876543451937862279168354863254197728691435345782619196345278", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6299, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6300, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2012-11-18", "puzzle": "16,r0c0r0c1r1c0|15,r0c3r0c4|4,r0c5r0c6|29,r0c2r1c1r1c2r2c0r2c1r2c2|11,r1c3r1c4r1c5|14,r0c7r0c8r1c7|0,r2c4r2c5|12,r1c6r2c6|0,r1c8r2c7r2c8|0,r2c3r3c2r3c3|15,r3c6r3c7|8,r3c0r4c0|21,r3c1r4c1r5c1|0,r3c4r3c5r4c3r4c4r5c3|0,r3c8r4c6r4c7r4c8|7,r4c2r5c2|0,r4c5r5c4r5c5r5c6r6c5r6c6|11,r5c7r5c8|10,r5c0r6c0|0,r6c1r6c2|6,r6c3r7c3|13,r7c0r7c1r8c0|0,r6c7r7c6r7c7|30,r6c8r7c8r8c6r8c7r8c8|0,r7c2r8c1r8c2|20,r6c4r7c4r8c3r8c4|13,r7c5r8c5", "solution": "964781325158623479723549861587134692391862547246957183875216934639475218412398756", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6300, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6301, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-11-18", "puzzle": "0,r0c0r0c1|14,r0c2r0c3|0,r0c5r0c6|8,r0c7r0c8|0,r1c1r1c2|10,r0c4r1c4|16,r1c6r1c7|22,r1c0r2c0r2c1|8,r1c3r2c3|0,r1c5r2c5|0,r1c8r2c7r2c8|0,r3c0r3c1r4c0r4c1|11,r2c2r3c2|20,r2c4r3c3r3c4r3c5|0,r2c6r3c6|0,r3c7r3c8r4c7r4c8|11,r4c3r4c4r4c5|0,r5c0r5c1|14,r4c2r5c2|14,r5c4r6c4|5,r4c6r5c6|11,r5c7r5c8|15,r6c1r6c2|4,r5c3r6c3|9,r5c5r6c5|0,r6c6r6c7|0,r6c0r7c0|0,r7c1r7c2|20,r7c3r7c4r7c5|0,r7c6r7c7|3,r6c8r7c8|45,r8c0r8c1r8c2r8c3r8c4r8c5r8c6r8c7r8c8", "solution": "146897253823615794957234816284971365639452178715386429578163942362749581491528637", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6301, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6302, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-11-19", "puzzle": 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"21,r0c0r0c1r1c0|12,r0c2r0c3r0c4|8,r0c7r0c8|15,r1c1r1c2r2c1|9,r1c3r1c4|19,r0c5r0c6r1c6r1c7|23,r1c5r2c5r2c6r3c5r3c6|13,r1c8r2c7r2c8|16,r2c0r3c0r4c0|17,r2c2r2c3r3c2r3c3|13,r2c4r3c4|17,r3c7r3c8|11,r3c1r4c1|11,r4c2r4c3|13,r4c6r4c7r4c8r5c8|26,r5c1r5c2r5c3r6c2r6c3|27,r4c4r4c5r5c4r5c5|13,r5c6r6c5r6c6|14,r5c7r6c7|16,r5c0r6c0r6c1r7c1|21,r6c4r7c4r8c4r8c5|9,r7c5r7c6|10,r7c0r8c0|11,r7c2r8c1r8c2|13,r7c3r8c3|27,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "782914653695273814413685972367152498954768231128349567539421786271896345846537129", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6313, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6312, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-11-21", "puzzle": "20,r0c1r0c2r0c3|10,r0c4r0c5|18,r0c0r1c0r1c1|14,r1c3r1c4|9,r1c5r1c6|23,r0c6r0c7r0c8r1c7r1c8r2c8|17,r2c0r2c1r3c0r3c1|10,r1c2r2c2|9,r2c3r2c4|12,r2c7r3c7|34,r3c2r3c3r3c4r4c4r4c5r5c5r6c5|19,r2c5r2c6r3c5r3c6|12,r3c8r4c8|15,r4c1r4c2|16,r4c6r5c6|11,r4c7r5c7|5,r4c0r5c0|12,r5c1r5c2|8,r4c3r5c3r5c4|13,r6c3r7c3|9,r6c4r7c4|14,r6c6r6c7|8,r5c8r6c8r7c8|19,r6c1r6c2r7c1r7c2|15,r7c5r7c6r8c5r8c6|26,r6c0r7c0r8c0r8c1r8c2|10,r8c3r8c4|17,r7c7r8c7r8c8", "solution": "957864123632591847148723596571649238269138754384257961793415682416982375825376419", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6312, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6314, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-11-21", "puzzle": "0,r0c1r0c2|0,r0c4r0c5|0,r0c6r0c7|10,r0c0r1c0|14,r1c1r1c2r2c2|13,r0c3r1c3r2c3|14,r1c6r1c7r2c7|10,r0c8r1c8|18,r2c0r2c1r3c0r3c1|15,r1c4r2c4r3c4|0,r1c5r2c5r2c6|0,r3c2r3c3|18,r3c6r3c7r4c6|11,r2c8r3c8|14,r4c1r4c2|5,r4c3r4c4|0,r3c5r4c5|12,r4c7r4c8|15,r4c0r5c0r6c0|0,r5c2r5c3r6c3|19,r5c5r5c6r5c7|0,r5c1r6c1|0,r5c4r6c4r6c5|0,r6c6r6c7|4,r5c8r6c8|3,r6c2r7c2|0,r7c4r7c5|16,r7c0r7c1r8c0|0,r8c1r8c2|16,r7c3r8c3r8c4r8c5|0,r7c6r8c6|18,r7c7r7c8r8c7r8c8", "solution": "138947562927356148465182397719825634286413975543679281891264753372598416654731829", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6314, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6316, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-11-21", "puzzle": "22,r0c5r0c6r1c6|0,r0c0r0c1r1c0|4,r0c2r1c2|0,r0c3r0c4r1c3|0,r1c4r1c5|0,r0c7r0c8r1c7r1c8|8,r1c1r2c1|11,r2c3r2c4|0,r2c5r2c6r3c5|0,r2c7r2c8|0,r2c0r3c0|0,r2c2r3c2|9,r3c6r3c7r3c8|22,r3c1r4c1r4c2|0,r3c3r4c3r5c3r5c4|12,r3c4r4c4|0,r4c5r4c6|6,r4c0r5c0|35,r4c7r4c8r5c6r5c7r5c8|0,r5c1r6c1|0,r5c2r6c2|16,r6c3r6c4r7c4|0,r5c5r6c5|11,r6c6r6c7|0,r6c8r7c8|14,r6c0r7c0|19,r7c2r7c3r8c2|9,r7c5r7c6|0,r7c1r8c0r8c1|0,r8c3r8c4r8c5r8c6|10,r7c7r8c7r8c8", "solution": "741536982563289741928741653197658324285374169436912578874163295612895437359427816", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6316, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6317, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2012-11-22", "puzzle": 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"0,r0c7r0c8|0,r0c0r1c0|15,r0c1r1c1|10,r0c2r0c3r1c2|0,r0c4r1c4|0,r0c5r1c5|7,r0c6r1c6|12,r2c1r2c2|14,r1c3r2c3|7,r2c4r2c5r3c5|18,r1c7r1c8r2c7|0,r2c0r3c0|0,r2c6r3c6|9,r2c8r3c8|14,r3c1r4c0r4c1r5c1|24,r3c2r3c3r4c2r4c3|12,r3c4r4c4r5c4|30,r4c5r4c6r5c5r5c6|0,r3c7r4c7r4c8r5c7|6,r5c0r6c0|11,r5c2r6c2|11,r5c8r6c8|21,r6c1r7c0r7c1|20,r5c3r6c3r6c4|0,r6c5r7c5|0,r6c6r6c7|9,r7c2r8c2|5,r7c3r8c3|10,r7c4r8c4|16,r7c6r8c5r8c6|0,r7c7r8c7|0,r7c8r8c8|7,r8c0r8c1", "solution": "864593217291847563375621498736254981459718632128369745543982176982176354617435829", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6410, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6411, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-12-08", "puzzle": 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"20,r0c3r0c4r1c3r1c4|4,r0c5r0c6|15,r0c0r0c1r1c0|11,r1c5r1c6|23,r0c7r0c8r1c7r1c8|28,r0c2r1c1r1c2r2c0r2c1|10,r2c2r2c3r3c2|14,r2c4r2c5|23,r3c0r3c1r4c0r4c1|23,r2c6r2c7r3c5r3c6|12,r3c7r4c7|12,r2c8r3c8r4c8|12,r3c3r3c4r4c3|16,r4c4r4c5r5c4r5c5|20,r4c6r5c6r5c7|10,r4c2r5c2|5,r5c0r6c0|13,r5c1r6c1|20,r5c3r6c2r6c3r7c2|16,r6c4r6c5r7c5|8,r5c8r6c8|20,r7c0r7c1r8c0r8c1|15,r7c3r7c4|30,r6c6r6c7r7c6r7c7r7c8r8c7r8c8|12,r8c2r8c3r8c4|13,r8c5r8c6", "solution": "958641327136287459472395168625439781789512643341876592294153876517968234863724915", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6484, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6482, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-12-23", "puzzle": "19,r0c0r0c1r0c2|11,r0c3r0c4|7,r1c0r1c1|12,r1c2r2c2|10,r1c3r1c4|9,r0c5r1c5|16,r0c6r0c7r1c6|9,r0c8r1c7r1c8|11,r2c0r2c1r3c0|13,r2c4r2c5r2c6|13,r2c7r2c8|16,r2c3r3c3r3c4|16,r3c5r3c6r3c7|6,r3c2r4c2|21,r4c4r5c4r5c5|8,r4c5r4c6|15,r3c8r4c7r4c8|10,r4c0r5c0|23,r3c1r4c1r5c1|10,r4c3r5c2r5c3|6,r5c7r5c8|10,r6c2r6c3|11,r6c4r6c5|13,r5c6r6c6r6c7|17,r6c0r6c1r7c0|15,r7c1r7c2r7c3|10,r7c4r7c5|15,r7c6r7c7r8c6|13,r6c8r7c8|9,r8c0r8c1r8c2|18,r8c3r8c4r8c5|13,r8c7r8c8", "solution": "847651392529378416613942785491523678785196243362784951978265134156437829234819567", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6482, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6486, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2012-12-23", "puzzle": 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"20,r0c5r0c6r0c7|3,r0c0r1c0|10,r0c1r1c1|11,r0c2r1c2|22,r0c3r0c4r1c3|8,r1c4r2c4|9,r1c6r2c6|6,r0c8r1c7r1c8|21,r2c0r2c1r2c2|6,r2c3r3c3|10,r1c5r2c5|14,r2c7r2c8|13,r3c0r3c1r3c2|15,r3c6r4c6|10,r3c7r3c8|4,r4c0r4c1|9,r4c3r5c3|16,r3c4r4c4r5c4|14,r3c5r4c5|9,r4c7r4c8|17,r5c0r5c1|11,r4c2r5c2|11,r5c6r5c7r5c8|14,r6c0r6c1|9,r6c3r7c3|3,r5c5r6c5|21,r6c6r6c7r6c8|16,r7c0r7c1r8c0|5,r6c2r7c2|8,r6c4r7c4|22,r7c5r8c4r8c5|4,r7c6r8c6|13,r7c7r8c7|7,r7c8r8c8|14,r8c1r8c2r8c3", "solution": "263854971148967523759123468472536819316298754985741236594312687821679345637485192", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6487, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6488, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2012-12-24", "puzzle": "11,r0c0r0c1r0c2|17,r0c3r0c4|18,r0c5r0c6r1c6|6,r1c0r1c1|9,r1c2r1c3|8,r1c4r1c5|10,r0c7r1c7|20,r0c8r1c8r2c8r3c8|20,r2c0r2c1r2c2|24,r2c3r2c4r2c5r2c6r2c7|26,r3c0r3c1r4c0r4c1|17,r3c4r3c5r3c6r4c4|4,r3c2r4c2|16,r3c3r4c3|12,r4c5r4c6|14,r3c7r4c7r4c8r5c8|10,r5c2r5c3|9,r5c4r5c5|8,r5c6r5c7|7,r5c0r6c0|21,r5c1r6c1r6c2r7c2|27,r6c4r6c5r6c6r6c7r7c6|11,r7c0r7c1|7,r6c3r7c3|14,r6c8r7c8r8c8|8,r8c0r8c1|14,r8c2r8c3|13,r7c4r8c4|24,r7c5r7c7r8c5r8c6r8c7", "solution": "317896542428135769965247831753924618681753924294618357542389176836471295179562483", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6488, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6489, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2012-12-24", "puzzle": 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"17,r0c1r0c2r1c1|19,r0c3r0c4r0c5r1c3|16,r0c0r1c0r2c0|14,r1c4r1c5|33,r0c6r1c6r2c6r2c7r2c8|9,r0c7r1c7|3,r0c8r1c8|12,r1c2r2c2r3c2|42,r2c1r3c0r3c1r4c0r4c1r4c2r5c0r5c1|8,r2c3r3c3|9,r2c4r3c4|11,r2c5r3c5|9,r4c4r4c5|6,r4c3r5c2r5c3|33,r5c4r5c5r6c5r6c6r7c5r7c6|7,r4c6r5c6|34,r3c6r3c7r3c8r4c7r4c8r5c7|8,r6c1r6c2|12,r5c8r6c8|10,r6c0r7c0|15,r6c3r7c3|7,r6c4r7c4|15,r7c1r8c0r8c1|24,r7c2r8c2r8c3r8c4r8c5|9,r8c6r8c7|23,r6c7r7c7r7c8r8c8", "solution": "754681932382459761619327485261574893498263157573198624926745318145836279837912546", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6494, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6498, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-12-26", "puzzle": 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"38,r0c0r0c1r1c0r1c1r1c2r2c2|18,r0c2r0c3r0c4r0c5|14,r0c6r0c7|0,r1c5r1c6r1c7|0,r0c8r1c8|3,r2c0r2c1|0,r1c3r2c3|0,r1c4r2c4r3c4|15,r3c0r3c1|12,r2c5r3c5|0,r2c6r2c7r3c6r3c7|25,r2c8r3c8r4c8r5c8|6,r4c0r4c1|20,r3c2r3c3r4c2r4c3|0,r4c4r4c5r5c4r5c5r6c5|12,r4c6r5c6r6c6|17,r5c1r5c2r5c3|0,r4c7r5c7|0,r5c0r6c0r7c0|11,r6c1r6c2r6c3|9,r6c4r7c4|9,r7c1r7c2|19,r7c5r7c6r8c6|3,r6c7r7c7|8,r6c8r7c8|16,r8c0r8c1r8c2|0,r7c3r8c3|0,r8c4r8c5|10,r8c7r8c8", "solution": "574392681398461257216578439783124596159786342462935178941657823627843915835219764", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6500, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6501, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2012-12-26", "puzzle": "9,r0c1r0c2|0,r0c3r0c4|0,r0c5r0c6|0,r0c7r0c8r1c7r1c8|14,r0c0r1c0r2c0|16,r1c1r1c2r1c3r2c1|0,r2c2r2c3|0,r1c4r1c5r2c4r2c5|22,r1c6r2c6r2c7|0,r2c8r3c8|17,r3c0r3c1|3,r4c0r4c1|0,r3c2r4c2|0,r3c3r4c3r5c3r5c4r5c5|17,r3c4r3c5r4c4r4c5|27,r3c6r3c7r4c6r4c7|0,r4c8r5c8|11,r5c6r6c6|36,r5c0r6c0r7c0r7c1r8c0r8c1r8c2r8c3|0,r5c1r6c1|0,r5c2r6c2r6c3|15,r6c4r6c5|13,r6c8r7c8|0,r7c2r7c3|0,r7c4r8c4|14,r7c5r8c5|0,r5c7r6c7r7c6r7c7|19,r8c6r8c7r8c8", "solution": "572916438648372915319854672987421563123568794465793821294187356856239147731645289", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6501, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6503, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-12-27", "puzzle": 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"15,r0c0r0c1|5,r0c2r0c3|21,r0c4r0c5r1c4|33,r0c6r0c7r0c8r1c8r2c8r3c8|10,r1c2r1c3|6,r1c6r1c7|18,r1c0r2c0r3c0|5,r1c1r2c1|10,r1c5r2c5r2c6|18,r2c2r3c1r3c2|7,r2c3r3c3|15,r2c4r3c4r3c5r3c6|33,r2c7r3c7r4c7r4c8r5c7r6c7|18,r4c0r4c1r4c2|9,r4c3r4c4|9,r4c5r4c6|12,r5c1r5c2r6c2|17,r5c3r6c3|23,r5c4r5c5r5c6r6c4|11,r5c0r6c0r7c0|15,r6c1r7c1|19,r6c5r6c6r7c5|10,r7c2r7c3|9,r7c6r7c7|6,r8c0r8c1|10,r8c2r8c3|13,r7c4r8c4r8c5|28,r5c8r6c8r7c8r8c6r8c7r8c8", "solution": "691457238824693157735281694367512489918364572542879361276945813489136725153728946", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6513, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6515, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2012-12-29", "puzzle": "5,r0c2r0c3|9,r0c6r0c7|20,r0c0r1c0r2c0r2c1|8,r0c1r1c1|19,r0c4r0c5r1c4|14,r0c8r1c8|22,r1c2r1c3r2c2|10,r2c3r2c4|13,r1c5r1c6r2c5r3c5|0,r1c7r2c6r2c7r2c8|0,r3c1r3c2|9,r3c3r3c4|14,r3c6r3c7|0,r3c8r4c8r5c8|17,r3c0r4c0r5c0|0,r4c1r4c2r4c3|0,r4c4r4c5|0,r4c6r4c7|11,r5c1r5c2|0,r5c3r5c4|0,r5c6r5c7|0,r6c2r7c2r7c3|15,r6c3r6c4|22,r5c5r6c5r7c5r7c6|14,r6c6r6c7r6c8r7c7|14,r6c0r6c1r7c0r8c0|0,r7c1r8c1|12,r7c4r8c4r8c5|0,r7c8r8c8|9,r8c2r8c3|0,r8c6r8c7", "solution": "631489275857621349429735168386274951512396784974518623145967832793842516268153497", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6515, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6512, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2012-12-29", "puzzle": "9,r0c0r0c1|3,r0c2r0c3|15,r0c5r0c6|9,r0c7r0c8|12,r1c1r1c2r1c3|13,r0c4r1c4|16,r1c0r2c0|12,r2c2r2c3r2c4|11,r1c5r2c5|3,r1c6r2c6|21,r1c7r2c7r3c7|11,r1c8r2c8r3c8|16,r2c1r3c1r3c2|13,r3c3r3c4|19,r3c5r3c6r4c5|17,r3c0r4c0r5c0|6,r4c1r4c2|9,r4c3r4c4|6,r4c6r4c7|21,r5c1r5c2r6c1|15,r5c5r5c6r6c6|15,r4c8r5c8|9,r6c2r7c2|19,r5c3r6c3r7c3|6,r5c4r6c4r6c5|14,r5c7r6c7r6c8|8,r6c0r7c0r8c0|9,r7c4r7c5|7,r7c7r8c7|12,r7c1r8c1|22,r8c2r8c3r8c4|15,r7c6r8c5r8c6|12,r7c8r8c8", "solution": "451298736738146295962375184619587342824639517375412968596823471183754629247961853", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6512, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6518, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2012-12-30", "puzzle": "23,r0c0r0c1r1c1r2c1|18,r0c7r0c8r1c7r2c7|15,r0c2r0c3r1c2r1c3|13,r0c4r1c4r2c4r3c4|23,r0c5r0c6r1c5r1c6|10,r1c0r2c0|12,r2c2r2c3|7,r2c5r2c6|15,r1c8r2c8|12,r3c0r3c1|13,r3c2r3c3|9,r3c5r3c6|10,r3c7r3c8|7,r4c0r4c1|17,r4c7r4c8|14,r5c0r5c1r6c0|9,r5c3r6c3|13,r5c5r6c5|30,r4c2r4c3r4c4r4c5r4c6r5c2r5c6|12,r5c7r5c8r6c8|15,r6c1r7c1r8c1r8c2|17,r5c4r6c4|20,r6c7r7c7r8c6r8c7|10,r6c2r7c2|25,r7c3r7c4r7c5r8c3r8c4r8c5|14,r6c6r7c6|15,r7c0r8c0|7,r7c8r8c8", "solution": "483967521952148367167523498395812746614735289278694153521389674739456812846271935", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6518, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6519, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2012-12-30", "puzzle": "37,r0c0r0c1r0c2r0c3r1c0r2c0r3c0|3,r0c4r0c5|23,r1c4r1c5r1c6r2c5|22,r0c6r0c7r0c8r1c7r1c8|13,r1c1r1c2r2c1r2c2|20,r1c3r2c3r2c4|16,r2c6r2c7|19,r3c1r3c2r4c2|15,r3c5r3c6r3c7r4c6|6,r2c8r3c8|21,r3c3r3c4r4c3r4c4|27,r4c7r4c8r5c7r5c8r6c7|10,r4c0r5c0|16,r4c1r5c1r5c2r6c1|17,r4c5r5c4r5c5|16,r5c3r6c3r6c4r7c3|13,r5c6r6c5r6c6|11,r6c2r7c2|30,r6c0r7c0r7c1r8c0r8c1|10,r8c2r8c3|24,r7c4r7c5r7c6r8c4r8c5|36,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "759412863826937541341658792198365274672849135435271689917583426284196357563724918", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6519, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6516, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2012-12-29", "puzzle": 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"15,r0c0r0c1r0c2|16,r0c3r0c4|8,r0c5r0c6r0c7|15,r1c4r1c5r1c6|15,r0c8r1c8|16,r1c0r1c1r2c0|7,r2c1r2c2|20,r1c2r1c3r2c3|6,r2c4r2c5|12,r1c7r2c6r2c7|17,r3c1r3c2|6,r3c3r3c4r3c5|10,r3c6r3c7|15,r2c8r3c8r4c8|6,r3c0r4c0|6,r4c1r4c2|14,r4c4r4c5|14,r4c6r4c7|11,r4c3r5c3|14,r5c4r5c5|11,r5c6r5c7r5c8|13,r5c0r6c0|13,r5c1r5c2r6c1|12,r6c2r6c3r6c4|12,r6c5r6c6|11,r6c7r6c8|16,r7c0r7c1r8c0|8,r7c2r7c3|20,r7c4r7c5r8c5|16,r8c1r8c2|3,r8c3r8c4|6,r7c6r8c6|9,r7c7r8c7|12,r7c8r8c8", "solution": "285973416437516829916842375598231647124768953763459281641385792852697134379124568", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6517, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6523, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2012-12-31", "puzzle": 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"15,r0c2r0c3|12,r0c4r0c5r0c6|8,r0c7r0c8|14,r0c0r0c1r1c0|9,r1c4r1c5|13,r1c6r2c6|11,r1c1r2c0r2c1|12,r1c2r1c3r2c2|17,r2c4r2c5|11,r1c7r2c7|10,r1c8r2c8|18,r3c1r3c2r4c1|12,r2c3r3c3|10,r3c4r3c5r3c6|9,r3c7r3c8|12,r3c0r4c0r5c0|15,r4c2r4c3|6,r4c7r4c8|9,r5c1r5c2r6c2|20,r5c3r6c3r6c4|10,r4c4r5c4|7,r4c5r5c5|13,r4c6r5c6|11,r5c7r5c8|13,r6c0r6c1|10,r7c0r7c1r7c2|19,r6c5r7c4r7c5|10,r6c6r7c6r8c6|13,r6c7r7c7r8c7|22,r6c8r7c8r8c8|21,r8c0r8c1r8c2|6,r7c3r8c3|7,r8c4r8c5", "solution": "289654317435127896716398524854931672397862451162745983671583249523479168948216735", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6527, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6528, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-01-01", "puzzle": 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"16,r0c1r0c2r0c3|10,r0c5r0c6r0c7|19,r0c0r1c0r1c1r1c2|11,r0c4r1c4r2c4|25,r0c8r1c6r1c7r1c8|8,r2c1r2c2|13,r1c3r2c3r3c3|17,r1c5r2c5r3c5|7,r2c6r2c7|13,r2c0r3c0|25,r3c1r3c2r4c2r4c3|22,r3c6r3c7r4c5r4c6|12,r2c8r3c8|9,r4c0r4c1|12,r3c4r4c4|6,r4c7r4c8|13,r5c2r6c2|24,r5c3r5c4r5c5r6c4|15,r5c6r6c6|8,r5c0r6c0|5,r5c1r6c1|13,r5c7r6c7|3,r5c8r6c8|17,r7c1r7c2r8c1|23,r6c3r6c5r7c3r7c4r7c5|18,r7c6r7c7r8c7|6,r7c0r8c0|24,r8c2r8c3r8c4r8c5r8c6|11,r7c8r8c8", "solution": "983542716154367289762819435649231857815796324327485691536178942471923568298654173", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6529, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6530, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2013-01-01", "puzzle": 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"24,r0c0r0c1r1c0|14,r0c2r0c3r1c3|16,r0c5r0c6r0c7|6,r1c1r1c2r2c2|12,r0c4r1c4|6,r1c5r1c6|13,r0c8r1c7r1c8|10,r2c0r2c1|4,r2c3r3c3|19,r2c6r3c6r4c6|9,r2c7r2c8|8,r3c0r3c1|18,r2c4r3c4r4c4|20,r2c5r3c5r4c5|3,r3c7r4c7|6,r4c0r4c1|17,r3c2r4c2|23,r3c8r4c8r5c8|11,r5c0r5c1r6c0|9,r4c3r5c3|14,r5c4r5c5r5c6|12,r5c2r6c2r7c2|11,r6c3r6c4|13,r6c5r6c6|13,r5c7r6c7|6,r6c1r7c1|9,r7c3r7c4|18,r7c5r7c6r7c7|13,r6c8r7c8r8c8|23,r7c0r8c0r8c1|15,r8c2r8c3|5,r8c4r8c5|5,r8c6r8c7", "solution": "785246193923781564461359872539178426248563719176492358354927681812635947697814235", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6532, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6531, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-01-01", "puzzle": 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"26,r0c0r0c1r0c2r1c2|11,r0c3r0c4r1c3|0,r0c5r0c6|0,r0c7r1c7r2c7|12,r0c8r1c8|4,r1c0r2c0|6,r1c1r2c1|17,r1c4r1c5r2c4|0,r1c6r2c5r2c6|14,r3c0r3c1|0,r2c2r2c3r3c2r3c3r4c2|0,r3c4r3c5r3c6|0,r2c8r3c8r4c8|9,r4c1r5c1|20,r4c3r4c4r4c5|8,r3c7r4c7|0,r4c0r5c0r6c0|10,r5c2r5c3r5c4|0,r4c6r5c5r5c6r6c5r6c6|5,r5c7r5c8|12,r6c2r6c3r7c2|24,r6c4r7c3r7c4|11,r6c7r7c7|12,r6c8r7c8|6,r7c0r8c0|0,r6c1r7c1r8c1|14,r8c2r8c3|0,r7c5r8c4r8c5|0,r7c6r8c6r8c7r8c8", "solution": "875269413126354789349781562952147836614938257783526941567493128231875694498612375", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6545, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6549, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-01-05", "puzzle": 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"5,r0c7r0c8|14,r0c0r1c0|8,r0c1r1c1|0,r0c2r1c2|0,r0c3r0c4r1c4|19,r0c5r0c6r1c5r1c6|5,r2c1r2c2|0,r1c3r2c3|0,r2c4r2c5|0,r2c6r3c6|0,r1c7r2c7|14,r1c8r2c8|0,r2c0r3c0|0,r3c1r3c2|15,r3c7r3c8|0,r4c0r4c1|0,r3c3r4c2r4c3|0,r4c5r4c6r5c5|7,r4c7r4c8|0,r5c0r5c1|31,r3c4r3c5r4c4r5c3r5c4|3,r5c6r5c7|6,r5c8r6c8|0,r6c0r7c0|6,r6c1r7c1|11,r5c2r6c2|7,r6c3r6c4|0,r6c5r7c5|0,r6c6r6c7|21,r7c2r7c3r8c2r8c3|0,r7c4r8c4r8c5|13,r7c6r8c6|0,r7c7r8c7|9,r7c8r8c8|0,r8c0r8c1", "solution": "659378214832914576714625398271543869596281743483796125928437651345162987167859432", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6556, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6560, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-01-07", "puzzle": "19,r0c0r0c1r0c2r1c0r1c1|13,r0c5r0c6r0c7|27,r0c3r0c4r1c3r1c4r1c5|11,r0c8r1c8|17,r2c0r2c1r3c0|13,r1c2r2c2r2c3|0,r1c6r1c7r2c5r2c6|12,r2c7r2c8|5,r3c2r3c3|0,r2c4r3c4r4c4r5c4r6c4|0,r3c5r3c6r4c5|13,r3c7r3c8|18,r3c1r4c0r4c1r4c2|15,r4c6r4c7r4c8r5c7|17,r5c0r5c1|19,r4c3r5c2r5c3|0,r5c5r5c6|9,r6c0r6c1|30,r6c2r6c3r7c1r7c2|14,r6c5r6c6r7c6|0,r5c8r6c7r6c8|4,r7c0r8c0|0,r7c3r7c4r7c5r8c4r8c5|0,r8c1r8c2r8c3|0,r7c7r7c8r8c6r8c7r8c8", "solution": "913687425425193876786254139231476958654928713897315642548739261169542387372861594", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6560, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6557, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-01-07", "puzzle": "20,r0c0r0c1r1c0|10,r0c3r0c4r0c5|14,r0c7r0c8r1c8|14,r0c2r1c1r1c2|21,r1c3r1c4r1c5|11,r0c6r1c6r1c7|4,r2c1r2c2|14,r2c6r2c7|12,r2c0r3c0|17,r3c1r3c2|6,r2c3r3c3|6,r2c4r3c4r4c4|12,r2c5r3c5|7,r3c6r3c7|13,r2c8r3c8|11,r4c0r4c1|14,r4c2r4c3|7,r4c5r4c6|12,r4c7r4c8|5,r5c0r6c0|7,r5c1r6c1|12,r5c2r6c2|7,r5c3r6c3|12,r5c4r6c4|11,r5c5r6c5|12,r5c6r6c6|15,r5c7r6c7|9,r5c8r6c8|12,r7c2r7c3|15,r7c5r7c6|9,r7c0r8c0|6,r7c1r8c1|16,r8c2r8c3|12,r7c4r8c4|9,r8c5r8c6|7,r7c7r8c7|4,r7c8r8c8", "solution": "952361748684597312731428596598234167476815239213679485369152874145786923827943651", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6557, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6558, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-01-07", "puzzle": 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"22,r0c3r0c4r0c5r1c4r1c5|0,r0c6r0c7|11,r0c0r1c0|16,r0c1r1c1|9,r0c2r1c2r1c3|17,r0c8r1c8r2c8r3c8r4c8|13,r2c1r2c2r2c3|0,r2c4r2c5|6,r1c6r2c6|0,r1c7r2c7|5,r2c0r3c0|0,r3c2r3c3|0,r3c4r3c5r4c4r5c3r5c4|0,r3c6r3c7|8,r3c1r4c1|0,r4c2r4c3|0,r4c5r4c6|6,r4c7r5c7|0,r5c1r5c2|13,r5c5r5c6|0,r5c8r6c8|0,r6c1r7c1|11,r6c2r7c2|0,r6c3r6c4|15,r6c5r6c6r6c7|29,r4c0r5c0r6c0r7c0r8c0|12,r7c5r7c6r8c6|8,r7c7r8c7|0,r7c8r8c8|0,r8c1r8c2|0,r7c3r7c4r8c3r8c4r8c5", "solution": "691542837572683194384179562236954781157826943849317625413798256768235419925461378", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6615, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6616, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-01-19", "puzzle": 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"26,r0c3r0c4r0c5r1c4|21,r0c0r0c1r1c0|10,r0c2r1c1r1c2|0,r0c6r1c6r1c7|0,r0c7r0c8r1c8|8,r2c0r2c1|11,r1c3r2c2r2c3|0,r1c5r2c5r2c6|13,r2c7r2c8|31,r3c1r3c2r3c3r4c2r4c3r5c2|0,r2c4r3c4|0,r3c5r3c6r3c7r4c5r4c6r5c6|6,r3c0r4c0|0,r3c8r4c8|18,r4c1r5c1r6c1|18,r4c7r5c7r6c7|0,r5c0r6c0|0,r5c3r6c3r7c3|0,r4c4r5c4r6c4|17,r5c5r6c5r7c5|12,r5c8r6c8|8,r6c2r7c2|0,r7c4r8c4|10,r6c6r7c6|10,r7c0r8c0|29,r7c1r8c1r8c2r8c3|20,r7c7r8c5r8c6r8c7|4,r7c8r8c8", "solution": "842697135935241867716358249163984752594172386278563914327415698651829473489736521", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6619, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6620, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-01-19", "puzzle": 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"13,r0c3r0c4|13,r0c5r0c6|7,r0c0r1c0|14,r0c1r0c2r1c1|9,r1c2r1c3|15,r0c7r1c6r1c7|13,r0c8r1c8r2c8|18,r2c0r2c1r2c2|12,r1c4r2c4|7,r1c5r2c5r3c5|6,r3c0r3c1|17,r2c3r3c3|6,r2c6r3c6|13,r2c7r3c7|13,r3c8r4c7r4c8|15,r3c2r4c2r4c3|6,r3c4r4c4r5c4|24,r4c5r4c6r5c6|22,r4c0r4c1r5c0|6,r5c1r6c1|10,r5c2r6c2|17,r5c5r6c5|6,r5c7r5c8|14,r5c3r6c3r7c3|10,r6c4r7c4|16,r6c6r6c7r6c8|19,r6c0r7c0r8c0|16,r7c1r7c2r8c1|6,r7c5r7c6|12,r7c7r8c6r8c7|16,r7c8r8c8|3,r8c2r8c3|11,r8c4r8c5", "solution": "385496712416372598279851463158934276962517834743628951627149385834765129591283647", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6621, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6622, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2013-01-20", "puzzle": "20,r0c3r0c4r0c5r1c5|17,r0c0r1c0r2c0|7,r0c1r1c1|15,r0c2r1c2|25,r1c3r1c4r2c3r2c4r2c5|18,r0c6r1c6r2c6|12,r0c7r1c7|8,r0c8r1c8|16,r2c7r2c8r3c8|22,r2c1r2c2r3c0r3c1r4c0|6,r3c6r3c7|11,r3c2r4c2|14,r3c3r3c4r4c3|19,r3c5r4c4r4c5r4c6|13,r4c7r4c8r5c7|13,r4c1r5c1|6,r5c3r5c4|15,r5c5r5c6|13,r5c0r6c0r6c1|13,r5c2r6c2r7c2|13,r6c5r6c6r6c7|15,r5c8r6c8|11,r6c3r6c4r7c3|20,r7c4r7c5r7c6|12,r7c0r8c0|10,r7c1r8c1|7,r8c2r8c3|14,r8c4r8c5r8c6|12,r7c7r8c7|8,r7c8r8c8", "solution": "518926743967413285324875961786342159195768324243159678659234817431687592872591436", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6622, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6623, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-01-20", "puzzle": "15,r0c4r0c5|12,r0c6r0c7r0c8r1c7|15,r0c0r0c1r1c0|10,r0c3r1c3|19,r1c5r1c6r2c6|21,r0c2r1c1r1c2r2c0r2c1|21,r1c4r2c4r2c5r3c5r3c6|15,r1c8r2c8r3c8|12,r3c0r3c1|16,r2c2r2c3r3c2|23,r3c3r3c4r4c3r4c4|13,r2c7r3c7|29,r4c1r4c2r5c2r5c3r6c3|16,r4c6r4c7r5c7|14,r4c0r5c0|22,r4c5r5c4r5c5r5c6r6c5|13,r4c8r5c8|8,r5c1r6c1r6c2|14,r6c6r6c7r7c6|23,r6c0r7c0r7c1r8c0|14,r7c2r7c3|10,r6c4r7c4r7c5|31,r6c8r7c7r7c8r8c6r8c7r8c8|11,r8c1r8c2r8c3|8,r8c4r8c5", "solution": "183769542654382917279154863846293175932571684517846329425918736398627451761435298", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6623, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6625, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-01-20", "puzzle": "16,r0c2r0c3|15,r0c7r0c8r1c8|15,r0c0r1c0|0,r0c1r1c1|11,r0c4r1c4|9,r0c5r1c5|0,r0c6r1c6r1c7r2c6r2c7r2c8|9,r1c2r2c2|0,r1c3r2c3|6,r2c4r2c5|0,r2c0r3c0|0,r2c1r3c1r4c1|20,r3c2r3c3r4c2r4c3|0,r3c4r3c5r4c4r4c5|13,r3c6r4c6|7,r3c7r3c8|0,r4c7r4c8|0,r4c0r5c0r5c1|0,r5c4r5c5r6c4r6c5|0,r5c6r5c7|0,r5c8r6c8|16,r6c1r7c1r7c2|0,r5c2r5c3r6c2r6c3|9,r6c6r6c7|18,r7c4r7c5r7c6|7,r7c7r7c8|28,r6c0r7c0r8c0r8c1r8c2|6,r7c3r8c3r8c4|8,r8c5r8c6|13,r8c7r8c8", "solution": "637951284924768513815324796372895461156473928489612375241589637793146852568237149", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6625, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6624, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2013-01-20", "puzzle": "22,r0c2r0c3r0c4r1c4|8,r0c6r0c7r0c8|0,r0c0r1c0|0,r0c1r1c1r1c2|11,r0c5r1c5|17,r1c6r1c7r2c7|7,r2c0r2c1|0,r1c3r2c3|0,r2c4r2c5|12,r1c8r2c8|13,r2c2r3c2|6,r3c3r3c4|14,r2c6r3c6|35,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|23,r3c5r4c3r4c4r4c5r5c3|0,r3c7r3c8r4c6r4c7r4c8r5c7r5c8|0,r5c2r6c2|0,r5c4r5c5|10,r5c6r6c6|5,r6c0r7c0|9,r6c3r6c4|0,r6c5r7c5|9,r6c7r6c8|0,r6c1r7c1r7c2|6,r7c3r8c3|12,r7c6r7c7r8c7|8,r7c8r8c8|15,r8c0r8c1r8c2|29,r7c4r8c4r8c5r8c6", "solution": "927568314186743295435912867798154623513826479642379158254637981379281546861495732", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6624, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6626, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-01-21", "puzzle": 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"19,r0c0r0c1r0c2|0,r0c3r0c4|6,r1c0r1c1r1c2|15,r0c5r1c5r2c5|25,r0c6r1c6r2c6r2c7r2c8|20,r0c7r0c8r1c7r1c8|23,r2c0r2c1r2c2r3c0|14,r1c3r2c3r3c3|0,r1c4r2c4|3,r3c1r3c2|28,r3c4r3c5r4c4r4c5|18,r3c6r3c7r3c8|0,r4c2r4c3|11,r4c6r4c7|5,r4c8r5c8|13,r4c0r5c0|0,r4c1r5c1|22,r5c2r5c3r6c2r6c3|0,r5c4r6c4|12,r5c5r5c6r5c7|0,r6c5r7c5|14,r6c1r7c1r7c2|0,r7c3r7c4|0,r6c6r7c6r8c5r8c6|21,r6c7r7c7r8c7|0,r6c8r7c8r8c8|30,r6c0r7c0r8c0r8c1r8c2|6,r8c3r8c4", "solution": "694287315123945786785163249312498567478356921956721834531874692247639158869512473", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6634, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6636, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-01-23", "puzzle": "11,r0c4r1c4|15,r0c0r1c0r2c0|16,r0c1r0c2r1c1|20,r0c3r1c2r1c3|9,r0c5r1c5r1c6|20,r0c6r0c7r1c7|12,r0c8r1c8r2c8|15,r2c2r2c3r3c2|20,r2c5r2c6r3c6|10,r2c1r3c1|5,r2c4r3c4|8,r2c7r3c7|22,r3c0r4c0r5c0|11,r4c1r4c2r5c1|4,r3c3r4c3|11,r3c5r4c5|10,r4c6r4c7r5c7|18,r3c8r4c8r5c8|11,r4c4r5c4|5,r5c2r6c2|10,r5c3r6c3|16,r5c5r6c5|7,r5c6r6c6|6,r6c0r7c0|10,r6c1r7c1|23,r7c2r7c3r8c2|15,r6c4r7c4|13,r7c5r7c6r8c6|12,r6c7r7c7|11,r6c8r7c8|8,r8c0r8c1|9,r8c3r8c4r8c5|12,r8c7r8c8", "solution": "396452871817963452425718369683145927742396518951827643574289136138674295269531784", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6636, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6637, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-01-23", "puzzle": "15,r0c2r0c3r1c3|9,r0c5r0c6|12,r0c4r1c4r1c5|18,r0c7r0c8r1c7r1c8|15,r1c2r2c2|36,r2c3r2c4r3c2r3c3r4c2r4c3|26,r1c6r2c5r2c6r2c7r3c6|12,r2c8r3c8|8,r2c0r3c0|26,r0c0r0c1r1c0r1c1r2c1r3c1|9,r4c0r4c1|17,r3c4r3c5r4c4r4c5|30,r4c6r5c4r5c5r5c6r6c4r6c5|16,r3c7r4c7r4c8|14,r5c0r5c1|11,r5c2r5c3r6c2r6c3|17,r5c7r5c8r6c8|32,r6c0r7c0r8c0r8c1r8c2|12,r6c6r6c7|8,r6c1r7c1r7c2|14,r7c3r8c3|8,r7c4r8c4|34,r7c5r7c6r7c7r7c8r8c7r8c8|6,r8c5r8c6", "solution": "594276381368941527127583469719462853453718692682395174845127936231659748976834215", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6637, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6638, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-01-23", "puzzle": 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"0,r0c2r0c3r0c4|0,r0c0r1c0|12,r0c1r1c1|15,r1c3r1c4|8,r0c5r0c6r1c5|14,r0c7r1c6r1c7|0,r0c8r1c8|7,r1c2r2c2|14,r2c3r2c4|12,r2c6r2c7|0,r2c0r3c0|13,r2c1r3c1|0,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|11,r2c5r3c5r3c6|4,r2c8r3c8|0,r4c0r4c1r5c1|0,r3c2r4c2|0,r4c6r5c6|0,r3c7r4c7r4c8|7,r5c0r6c0|10,r5c2r5c3r6c3|0,r5c7r6c7|6,r5c8r6c8|0,r6c1r6c2|0,r6c4r6c5|10,r6c6r7c6|0,r7c0r8c0|0,r7c1r7c2r8c1|20,r7c3r8c2r8c3|0,r7c4r7c5|0,r7c7r8c7|0,r7c8r8c8|16,r8c4r8c5r8c6", "solution": "183462597945871236672593481469287153728135649531649872296358714817924365354716928", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6640, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6641, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2013-01-24", "puzzle": 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"5,r0c0r0c1|20,r0c3r0c4r0c5r1c4|0,r0c7r0c8|14,r1c0r1c1|25,r0c2r1c2r1c3r2c2|0,r0c6r1c5r1c6r2c6|6,r1c7r1c8|12,r2c0r2c1r3c1|0,r2c3r2c4r2c5|0,r2c7r2c8r3c7|0,r3c3r3c4r3c5|18,r3c0r4c0r5c0|6,r3c2r4c2|6,r3c6r4c6|11,r3c8r4c8r5c8|14,r4c1r5c1r5c2|8,r4c3r5c3|0,r4c4r5c4|0,r4c5r5c5|0,r4c7r5c6r5c7|0,r6c0r6c1|0,r6c7r6c8|20,r6c2r7c1r7c2|10,r6c3r7c3|13,r6c4r7c4|5,r6c5r7c5|14,r6c6r7c6r7c7|18,r7c0r8c0r8c1r8c2|0,r8c3r8c4r8c5|0,r7c8r8c6r8c7r8c8", "solution": "415396827869427351237518694972645183684139572351782946523871469198264735746953218", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6733, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6735, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2013-02-12", "puzzle": 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"0,r0c0r0c1|8,r0c3r0c4|0,r0c5r0c6r0c7r1c5|11,r0c2r1c2|0,r1c3r1c4|0,r0c8r1c7r1c8|0,r1c0r1c1r2c0r2c1r3c0r4c0|0,r2c4r2c5|0,r1c6r2c6r2c7|15,r2c2r3c2r4c2|8,r2c3r3c3|0,r3c6r3c7|0,r2c8r3c8|11,r3c1r4c1|36,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|5,r4c7r5c7|7,r5c0r6c0|8,r5c1r5c2|0,r5c5r6c5|0,r4c6r5c6r6c6|6,r6c1r6c2r7c2|17,r6c3r6c4|28,r4c8r5c8r6c7r6c8r7c7r7c8|0,r7c0r7c1r8c0|0,r7c4r7c5|14,r7c6r8c6|22,r7c3r8c1r8c2r8c3|5,r8c4r8c5|10,r8c7r8c8", "solution": "859624371372519486164783259485136792936472815217958643523897164741365928698241537", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6738, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6741, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-02-13", "puzzle": "11,r0c0r0c1|13,r0c4r0c5r0c6|23,r0c2r0c3r1c1r1c2|22,r1c3r1c4r2c3|10,r1c5r1c6r2c6|21,r0c7r1c7r2c7|13,r1c0r2c0r3c0r4c0|14,r2c1r2c2r3c2|9,r2c4r2c5|7,r3c4r3c5|18,r3c6r3c7r4c6|20,r0c8r1c8r2c8r3c8|5,r3c1r4c1|33,r3c3r4c3r4c4r4c5r5c5|9,r4c7r5c7|27,r5c0r6c0r7c0r8c0|19,r4c2r5c1r5c2|5,r5c3r5c4|12,r6c3r6c4|10,r5c6r6c6r6c7|21,r4c8r5c8r6c8r7c8|13,r6c1r7c1r8c1|14,r6c2r7c2r7c3|13,r6c5r7c4r7c5|21,r7c6r7c7r8c5r8c6|16,r8c2r8c3r8c4|6,r8c7r8c8", "solution": "569318472347692581281754369735461298126589743894237156912845637473926815658173924", "extra": "{\"grid_size\": 9, \"puzzle_number\": 6741, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 6739, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-02-12", "puzzle": 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"17,r0c0r0c1r1c0r1c1|10,r0c6r0c7|24,r0c2r0c3r1c2r1c3|6,r0c4r1c4|9,r0c5r1c5|10,r0c8r1c8|21,r2c0r2c1r3c0r3c1|18,r2c2r2c3r3c2r3c3|11,r1c6r2c6|14,r1c7r2c7r2c8|15,r2c4r3c4|11,r2c5r3c5|7,r4c0r4c1|15,r4c2r4c3|7,r3c6r4c6|18,r3c7r3c8r4c7r4c8|12,r5c0r5c1|10,r5c2r5c3|15,r4c4r4c5r5c4r5c5|13,r5c7r5c8|7,r6c1r6c2|7,r6c3r6c4|17,r5c6r6c5r6c6|17,r6c0r7c0|15,r7c1r7c2r8c2|18,r7c3r7c4r8c3r8c4|19,r6c7r7c6r7c7|25,r6c8r7c8r8c6r8c7r8c8|6,r8c0r8c1|11,r7c5r8c5", "solution": "635941287714628593289375614471586329528793461396412758843259176962137845157864932", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7039, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7041, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-04-13", "puzzle": 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"0,r0c2r0c3|0,r0c5r0c6|0,r0c0r1c0|10,r0c1r1c1|0,r0c4r1c4|0,r0c7r1c7|7,r0c8r1c8|20,r2c0r2c1r3c0|0,r1c2r1c3r2c2r2c3|0,r1c5r1c6r2c5r2c6|0,r2c7r2c8r3c8|9,r3c1r3c2|8,r2c4r3c4|0,r3c6r3c7|8,r4c0r4c1|0,r3c3r4c3|0,r3c5r4c5|0,r4c7r4c8|12,r4c2r5c1r5c2|0,r4c4r5c3r5c4r5c5|0,r4c6r5c6r5c7|10,r5c0r6c0|13,r6c1r6c2|11,r6c3r6c4r6c5r7c4|0,r6c6r6c7|0,r5c8r6c8|21,r7c1r7c2r7c3|14,r7c5r7c6r7c7|3,r7c0r8c0|12,r8c1r8c2|0,r8c3r8c4r8c5|0,r8c6r8c7|0,r7c8r8c8", "solution": "812947653596183274473265891981326547625471389734859126349512768268734915157698432", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7042, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7043, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2013-04-14", "puzzle": 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"13,r0c2r0c3|0,r0c0r1c0|16,r0c1r1c1r1c2r1c3|11,r0c4r0c5r1c4|12,r2c1r2c2|8,r2c3r2c4|13,r1c5r2c5|45,r0c6r0c7r0c8r1c6r1c7r1c8r2c6r2c7r2c8|0,r2c0r3c0|16,r3c6r3c7|15,r3c1r4c0r4c1|8,r3c2r4c2|23,r4c3r4c4r5c4|0,r4c6r5c6|0,r3c8r4c7r4c8|17,r5c1r6c1|0,r3c3r3c4r3c5r4c5r5c5|5,r5c8r6c8|9,r5c0r6c0|22,r5c2r5c3r6c2r6c3|0,r6c4r6c5|0,r6c6r7c6|8,r7c2r7c3|0,r7c4r7c5r8c4|0,r5c7r6c7r7c7r7c8|21,r7c0r7c1r8c0r8c1|4,r8c2r8c3|0,r8c5r8c6|9,r8c7r8c8", "solution": "265817394714539286839624157156243978372985461498761523583496712647152839921378645", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7311, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7312, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2013-06-06", "puzzle": 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"15,r0c0r0c1|4,r0c5r1c5|16,r0c6r0c7r0c8|13,r1c0r1c1r2c1|11,r0c2r1c2|15,r0c3r0c4r1c3|13,r1c6r1c7r2c7|16,r1c4r2c4|11,r2c5r2c6r3c5|18,r1c8r2c8r3c8|7,r2c0r3c0r4c0|17,r3c1r4c1|12,r2c2r3c2|17,r2c3r3c3|3,r3c6r3c7|10,r4c2r4c3|6,r3c4r4c4r5c4|11,r4c5r4c6|6,r5c1r5c2|12,r5c5r6c5|16,r5c6r6c6|17,r4c7r5c7|8,r4c8r5c8r6c8|22,r5c0r6c0r7c0|12,r5c3r6c2r6c3|13,r6c4r7c4|12,r6c1r7c1r7c2|22,r7c5r8c4r8c5|9,r7c6r8c6|11,r6c7r7c7r7c8|11,r8c0r8c1r8c2|4,r7c3r8c3|15,r8c7r8c8", "solution": "872543169349671825165892437487935216293716584651428793736284951918357642524169378", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7313, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7315, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2013-06-07", "puzzle": 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"0,r0c0r0c1|5,r0c4r0c5|12,r0c6r0c7|19,r1c0r1c1r2c0r2c1|13,r0c2r1c2|0,r0c3r1c3|0,r1c4r1c5|11,r1c6r1c7|13,r0c8r1c8r2c8|12,r2c2r2c3|0,r2c4r2c5|18,r2c6r2c7r3c6r4c6|15,r3c3r3c4|0,r3c7r3c8|8,r3c0r4c0|0,r3c1r3c2r4c1|0,r4c3r4c4|0,r3c5r4c5|14,r4c7r4c8|5,r5c0r5c1|28,r4c2r5c2r5c3r6c2r6c3|15,r5c5r6c5r6c6|12,r5c6r5c7r5c8|33,r6c0r6c1r7c0r7c1r8c0|11,r5c4r6c4|0,r7c2r7c3r7c4r8c3r8c4|9,r7c5r7c6|23,r6c7r6c8r7c7r7c8|0,r8c1r8c2|28,r8c5r8c6r8c7r8c8", "solution": "179632845634185927285794361562873419397241586418956732851367294946528173723419658", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7316, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7317, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2013-06-07", "puzzle": "10,r0c0r0c1|12,r0c2r0c3|5,r0c4r0c5|0,r1c2r1c3r1c4r2c2|0,r0c6r0c7r1c5r1c6r2c6r3c6|0,r0c8r1c8|13,r1c0r2c0|4,r1c1r2c1|0,r2c3r2c4r2c5|13,r1c7r2c7r2c8|26,r3c0r3c1r3c2r3c3r4c1|0,r3c4r3c5r4c4r5c4|0,r4c2r4c3r5c3|0,r3c7r4c7|5,r3c8r4c8|6,r4c0r5c0|0,r4c5r4c6r5c5r5c6|0,r5c7r5c8r6c7r6c8|0,r5c1r6c1r7c1r7c2|0,r5c2r6c2|0,r6c4r6c5|19,r6c0r7c0r8c0r8c1|0,r6c3r7c3|0,r7c4r7c5|11,r6c6r7c6|16,r7c7r7c8r8c8|4,r8c2r8c3|15,r8c4r8c5|12,r8c6r8c7", "solution": "825741369634259871719863524468125793173984652592637148386472915947518236251396487", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7317, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7318, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-06-08", "puzzle": 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"18,r0c0r0c1r1c0r1c1|26,r0c3r0c4r0c5r0c6r1c6|9,r0c2r1c2|25,r1c4r1c5r2c4r3c4|20,r0c7r0c8r1c7r1c8|22,r1c3r2c2r2c3r3c3|28,r2c5r2c6r3c5r3c6|5,r2c0r3c0|15,r2c1r3c1|13,r4c0r4c1|6,r3c2r4c2|16,r3c7r4c5r4c6r4c7|22,r2c7r2c8r3c8r4c8r5c8|10,r5c1r5c2|19,r4c3r4c4r5c3r5c4|11,r5c5r5c6r5c7r6c6|12,r6c3r7c3|11,r6c4r6c5|11,r6c7r6c8|7,r7c4r8c4|5,r7c5r7c6|21,r7c7r7c8r8c7r8c8|21,r7c0r7c1r8c0r8c1|37,r5c0r6c0r6c1r6c2r7c2r8c2r8c3|15,r8c5r8c6", "solution": "856714923413296587297835614361579842945182376728463159189347265672951438534628791", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7405, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7406, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2013-06-25", "puzzle": 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"16,r0c2r0c3|15,r0c6r0c7r0c8|15,r0c0r1c0r2c0|6,r0c1r1c1|13,r0c4r1c3r1c4|14,r0c5r1c5|16,r1c6r2c6|17,r1c2r2c1r2c2|11,r2c3r3c3|12,r2c4r2c5r3c4|8,r1c7r1c8r2c7|11,r2c8r3c8|5,r3c0r3c1|8,r3c6r3c7|11,r4c0r4c1|18,r3c2r4c2r5c2|5,r4c3r4c4|12,r3c5r4c5r5c5|21,r4c6r4c7r4c8|11,r5c0r5c1|8,r5c6r5c7|16,r6c1r6c2r7c2|9,r5c3r6c3|21,r5c4r6c4r6c5|14,r6c7r7c7r7c8|4,r5c8r6c8|19,r6c0r7c0r8c0|6,r7c1r8c1|11,r7c3r7c4r8c4|12,r7c5r8c5|14,r6c6r7c6|10,r8c2r8c3|16,r8c6r8c7r8c8", "solution": "127956384643718952895342716239864175561237498478591263982475631356129847714683529", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7408, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7407, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-06-25", "puzzle": 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"0,r0c0r0c1|17,r0c3r0c4r0c5|8,r0c7r0c8|0,r1c0r1c1|15,r0c2r1c2r2c2r3c2|19,r1c3r1c4r1c5|30,r0c6r1c6r2c6r3c6|7,r1c7r1c8|0,r2c0r2c1|0,r2c3r2c4r2c5|6,r2c7r2c8|11,r3c3r3c4r3c5|12,r3c0r3c1r4c0|23,r4c1r4c2r4c3r5c2|0,r4c5r4c6r4c7r5c6|0,r3c7r3c8r4c8|13,r5c0r5c1r6c0|8,r4c4r5c4|14,r5c7r5c8r6c8|15,r6c1r6c2|13,r5c3r6c3|0,r5c5r6c5|0,r6c6r6c7|6,r7c0r7c1|28,r6c4r7c3r7c4r7c5r8c4|0,r7c7r7c8|12,r8c0r8c1|18,r7c2r8c2r8c3|11,r7c6r8c5r8c6|0,r8c7r8c8", "solution": "534197862172658943896234751913425678285376194647819325369541287428763519751982436", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7411, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7412, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-06-26", "puzzle": 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"16,r0c4r0c5|19,r0c6r0c7r0c8r1c8|8,r0c0r1c0r2c0|15,r0c1r1c1|13,r0c2r0c3r1c2|12,r1c3r1c4r2c4|12,r1c5r1c6r1c7|19,r2c7r2c8r3c7|19,r2c1r2c2r3c1r4c1|7,r2c3r3c3|11,r2c5r3c5|10,r2c6r3c6|17,r3c0r4c0r5c0|16,r3c2r4c2|28,r3c4r4c3r4c4r4c5r5c4|11,r4c6r5c6|13,r3c8r4c8r5c8|3,r5c2r6c2|4,r5c3r6c3|17,r5c5r6c5|23,r4c7r5c7r6c6r6c7|13,r5c1r6c0r6c1|20,r7c1r7c2r7c3|8,r6c4r7c4r7c5|16,r7c6r8c5r8c6|5,r7c7r8c7|13,r6c8r7c8r8c8|24,r7c0r8c0r8c1r8c2|13,r8c3r8c4", "solution": "186497253573812469294536187317285946659743812842169375721358694465921738938674521", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7414, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7415, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-06-27", "puzzle": 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"16,r0c0r0c1r1c0r1c1|25,r0c5r0c6r0c7r0c8|9,r0c2r1c2|16,r0c3r0c4r1c3|0,r1c4r1c5|0,r1c6r1c7r1c8|0,r2c0r2c1|0,r2c2r2c3r2c4r2c5r3c4|0,r2c6r2c7|11,r3c2r3c3|0,r2c8r3c8|0,r3c0r4c0|17,r3c1r4c1r5c1|0,r4c2r5c2|9,r3c6r4c6|13,r3c7r4c7r5c7|0,r4c8r5c8|9,r5c0r6c0|33,r3c5r4c3r4c4r4c5r5c3|7,r5c5r5c6|4,r6c1r6c2|30,r5c4r6c3r6c4r6c5r6c6|7,r6c7r6c8|15,r7c0r7c1r7c2|9,r7c3r7c4|0,r7c5r8c4r8c5|4,r7c6r8c6|22,r8c0r8c1r8c2r8c3|30,r7c7r7c8r8c7r8c8", "solution": "731458926248796531965132874126549783584673219379821645613987452852364197497215368", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7416, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7417, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-06-27", "puzzle": "0,r0c0r0c1r0c2|0,r0c5r0c6|0,r0c3r0c4r1c3|0,r1c4r1c5|19,r0c7r1c7r2c7|13,r0c8r1c8r2c8|19,r1c0r1c1r2c0|0,r1c2r2c2r2c3|0,r2c4r2c5|0,r1c6r2c6|0,r2c1r3c1r3c2|13,r3c3r3c4|4,r3c5r3c6|16,r3c0r4c0r4c1r5c0|21,r4c2r4c3r4c4|5,r4c5r4c6|0,r5c1r5c2r6c1|0,r5c3r5c4|15,r5c5r5c6|0,r3c7r3c8r4c7r4c8r5c7r5c8|0,r6c0r7c0r7c1|0,r6c2r6c3r7c2|0,r6c4r6c5|13,r6c6r7c6|13,r7c3r8c3r8c4|4,r7c4r7c5|9,r6c7r7c7r8c7|16,r6c8r7c8r8c8|0,r8c0r8c1r8c2|0,r8c5r8c6", "solution": "123876549869154273574329681258493167417682395936517824781965432642731958395248716", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7417, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7419, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-06-28", "puzzle": 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"12,r0c0r0c1r1c0|17,r0c2r1c2r2c2|16,r0c3r0c4r1c3|20,r0c5r0c6r1c5|11,r0c7r0c8r1c7|16,r1c1r2c0r2c1|3,r1c4r2c4|9,r2c5r3c5|17,r1c6r2c6|10,r1c8r2c7r2c8|5,r3c0r3c1|14,r2c3r3c3r4c3|18,r3c7r3c8r4c7|14,r4c0r4c1|12,r3c2r4c2|17,r3c4r4c4|7,r3c6r4c6|19,r4c8r5c7r5c8|9,r5c0r5c1|12,r5c4r6c4r6c5|12,r4c5r5c5r5c6|8,r5c2r6c1r6c2|7,r5c3r6c3|21,r6c6r6c7r6c8|17,r6c0r7c0|11,r7c1r7c2|3,r7c5r7c6|13,r7c8r8c8|14,r8c0r8c1r8c2|18,r7c3r7c4r8c3|14,r8c4r8c5|9,r7c7r8c6r8c7", "solution": "562839741197524863348617925419782356683195472275346198921453687856971234734268519", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7418, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7420, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-06-28", "puzzle": 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"19,r0c0r0c1r1c1|27,r0c2r0c3r0c4r1c2r1c3|7,r0c5r0c6|20,r0c7r0c8r1c7r1c8|0,r1c4r1c5|0,r1c0r2c0|0,r2c3r2c4r2c5|0,r1c6r2c6r2c7|15,r2c8r3c8|7,r2c1r3c1|0,r2c2r3c2r3c3|16,r3c4r3c5r4c5|0,r3c7r4c7|10,r3c0r4c0|3,r4c2r5c2|9,r3c6r4c6r5c6|13,r4c1r5c1|18,r4c3r4c4r5c3r5c4|0,r4c8r5c7r5c8r6c7r6c8|14,r5c0r6c0|19,r6c1r6c2r7c2|10,r6c3r6c4|0,r5c5r6c5r6c6|11,r7c0r7c1r8c0r8c1|0,r7c3r7c4|7,r7c5r7c6|0,r7c7r7c8r8c8|17,r8c2r8c3|0,r8c4r8c5|0,r8c6r8c7", "solution": "987321645526974183413586927365217498791438256842659371674195832138742569259863714", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7422, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7423, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2013-06-29", "puzzle": "9,r0c3r1c3|15,r0c5r0c6|3,r0c7r0c8|9,r0c0r1c0|5,r0c1r1c1|15,r0c2r1c2|10,r0c4r1c4r2c4|22,r1c6r1c7r1c8|9,r1c5r2c5|15,r2c0r3c0|16,r2c1r3c1|15,r2c2r2c3r3c2|4,r3c4r3c5|13,r2c6r2c7r3c6|12,r2c8r3c7r3c8|9,r4c0r4c1r4c2|15,r3c3r4c3|6,r4c5r4c6|17,r4c7r4c8|7,r5c0r5c1|8,r4c4r5c4|21,r5c5r5c6r5c7|18,r6c0r6c1r7c0|7,r6c2r7c2r7c3|17,r5c2r5c3r6c3|6,r6c5r6c6r6c7|10,r5c8r6c8|14,r7c1r8c0r8c1|15,r6c4r7c4|9,r8c2r8c3|19,r7c5r8c4r8c5|11,r7c6r8c6|9,r7c7r8c7|15,r7c8r8c8", "solution": "539648721426317985871952634795831462243765198618429573964583217352176849187294356", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7423, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7424, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2013-06-29", "puzzle": "16,r0c0r0c1r1c0|15,r0c2r0c3r0c4r1c3|14,r0c7r0c8|26,r1c1r1c2r2c1r2c2|11,r0c5r1c5|21,r0c6r1c6r2c6|22,r1c4r2c4r2c5r3c5|3,r1c7r2c7|14,r1c8r2c8r3c8|14,r2c0r3c0r3c1r4c0|18,r2c3r3c2r3c3|5,r3c6r3c7|36,r3c4r4c3r4c4r4c5r4c6r5c4r5c5r6c4|12,r4c7r4c8|16,r5c0r5c1|20,r4c1r4c2r5c2r5c3|7,r5c7r5c8|7,r6c0r6c1r6c2|18,r5c6r6c5r6c6|12,r7c1r7c2|13,r6c3r7c3|42,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|14,r7c0r8c0|13,r8c1r8c2r8c3|11,r7c4r8c4|5,r7c5r8c5", "solution": "341295786987316524256748913563829147128574639794631852412987365875463291639152478", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7424, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7425, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2013-06-29", "puzzle": "18,r0c0r0c1r1c0r1c1|16,r0c3r0c4r1c3|8,r0c5r0c6|13,r0c2r1c2|22,r1c4r1c5r2c5|5,r1c6r2c6|19,r0c7r1c7r2c7|6,r0c8r1c8|13,r2c1r2c2r2c3r2c4|8,r2c0r3c0|16,r3c5r3c6r3c7|11,r2c8r3c8|15,r3c1r4c0r4c1|15,r3c2r4c2|7,r4c6r5c6|16,r4c7r4c8r5c7|11,r5c0r6c0|11,r5c1r5c2r5c3|37,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|11,r5c8r6c8|17,r6c4r6c5r6c6r6c7|12,r7c0r8c0|19,r6c1r7c1r8c1|6,r6c2r7c2|20,r6c3r7c3r7c4|9,r7c6r8c6|3,r8c2r8c3|17,r7c5r8c4r8c5|24,r7c7r7c8r8c7r8c8", "solution": "289631745354798261716425398147956823928317654563284179675843912891572436432169587", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7425, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7427, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-06-29", "puzzle": "17,r0c2r0c3|12,r0c4r0c5r0c6|5,r0c7r0c8|18,r0c0r0c1r1c0r1c1|0,r1c3r1c4r1c5r2c5r3c5|7,r1c6r1c7|0,r2c0r2c1|13,r1c2r2c2r2c3r3c2|17,r1c8r2c8|0,r3c0r3c1|9,r2c4r3c3r3c4|26,r2c6r2c7r3c6r3c7r3c8r4c8|8,r4c0r4c1|0,r4c2r4c3|0,r4c4r4c5|0,r4c6r4c7|10,r5c1r5c2|0,r5c3r5c4r5c5r5c6r5c7r6c4r6c7|0,r5c0r6c0r6c1|0,r6c2r6c3r7c2|0,r6c5r6c6|12,r5c8r6c8|15,r7c3r7c4|0,r7c7r8c7|0,r7c0r7c1r8c0|23,r8c1r8c2r8c3r8c4|0,r7c5r8c5|16,r7c6r8c6|0,r7c8r8c8", "solution": "748916532253487169961523478874165293625739841319248657496872315532691784187354926", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7427, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7428, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-06-30", "puzzle": "4,r0c2r0c3|16,r0c5r0c6|18,r0c0r0c1r1c0|13,r1c1r1c2r1c3|19,r1c5r1c6r1c7|9,r0c7r0c8r1c8|8,r2c0r2c1|17,r2c2r3c2|17,r0c4r1c4r2c4|9,r2c6r3c6|8,r2c7r2c8|15,r3c0r3c1|9,r2c3r3c3r4c3|23,r2c5r3c5r4c5|6,r3c7r3c8|10,r4c0r4c1r4c2|10,r3c4r4c4|14,r4c6r4c7r4c8|10,r5c1r5c2r6c1|16,r5c4r6c4r7c4|20,r5c6r5c7r6c7|6,r5c0r6c0|21,r5c3r6c3r7c3|8,r5c5r6c5r7c5|15,r5c8r6c8|18,r6c2r7c1r7c2|12,r6c6r7c6r7c7|7,r7c0r8c0|15,r8c1r8c2|14,r8c3r8c4r8c5|5,r8c6r8c7|13,r7c8r8c8", "solution": "543187962926534871718269453879316524352498617461752389235841796194675238687923145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7428, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7429, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-06-30", "puzzle": "5,r0c0r0c1|12,r0c2r0c3|18,r0c4r0c5r0c6|15,r1c1r1c2|12,r1c3r1c4r2c4|6,r1c5r1c6|23,r0c7r0c8r1c7r1c8|15,r1c0r2c0r3c0|5,r2c2r2c3|10,r2c7r3c7|13,r2c1r3c1|24,r2c5r2c6r3c5r3c6|11,r2c8r3c8r4c8|11,r3c2r4c2|16,r3c3r4c3|10,r3c4r4c4r4c5|16,r4c6r4c7r5c7|8,r4c0r5c0|11,r4c1r5c1|11,r5c2r5c3r6c3|13,r5c4r5c5|14,r5c6r6c6|6,r5c8r6c8|8,r6c4r6c5|16,r6c7r7c7|29,r6c0r7c0r8c0r8c1r8c2|16,r6c1r6c2r7c1r7c2|11,r7c3r7c4|4,r7c5r7c6|14,r7c8r8c8|12,r8c3r8c4|10,r8c5r8c6r8c7", "solution": "327586419196374285584129763958732641243961857671458932832617594465293178719845326", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7429, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7430, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-06-30", "puzzle": "25,r0c1r0c2r0c3r0c4r1c3|14,r0c0r1c0|6,r1c1r1c2|11,r0c5r1c5|26,r2c0r2c1r2c2r2c3r3c0|14,r1c4r2c4|43,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|11,r2c5r2c6r3c5r3c6|5,r3c7r3c8|26,r3c2r3c3r4c2r4c3|12,r3c4r4c4r4c5|15,r4c6r4c7|5,r4c0r5c0|14,r3c1r4c1r5c1|17,r5c2r5c3r6c2r6c3|28,r5c4r5c5r6c4r6c5|9,r6c7r7c7|24,r4c8r5c7r5c8r6c8r7c8|27,r6c0r7c0r8c0r8c1r8c2|17,r6c1r7c1r7c2|10,r7c3r7c4r7c5|29,r5c6r6c6r7c6r8c5r8c6|7,r8c3r8c4|10,r8c7r8c8", "solution": "693152847842769153175483269987641532214935786356278914761894325529316478438527691", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7430, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7432, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-06-30", "puzzle": "12,r0c2r0c3|0,r0c4r0c5|4,r0c6r0c7|16,r0c0r1c0|0,r0c1r1c1|16,r1c2r1c3r2c2r2c3|0,r1c4r1c5|0,r1c6r1c7|6,r0c8r1c8|12,r2c7r2c8|29,r2c0r2c1r3c0r3c1r4c0|14,r3c2r3c3r3c4|7,r2c4r2c5r3c5|0,r2c6r3c6r3c7r4c6|0,r4c1r4c2r4c3|0,r3c8r4c8r5c8|0,r4c4r4c5r5c4|10,r4c7r5c6r5c7|4,r5c0r6c0|0,r5c1r6c1r7c1|10,r5c2r6c2|0,r5c3r6c3|28,r5c5r6c4r6c5r6c6r6c7r6c8|0,r7c3r7c4|19,r7c6r7c7r7c8|0,r7c0r8c0r8c1|0,r7c2r8c2r8c3|0,r7c5r8c4r8c5r8c6|8,r8c7r8c8", "solution": "985746312721395864634812975579234186863951427142678539398527641457163298216489753", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7432, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7433, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2013-07-01", "puzzle": "13,r0c0r0c1|7,r0c2r0c3|6,r1c1r1c2r1c3|13,r0c4r1c4|16,r0c5r1c5|11,r0c6r1c6|14,r0c7r1c7|6,r0c8r1c8|12,r1c0r2c0|14,r2c1r2c2|3,r2c3r2c4|19,r3c4r4c4r4c5|17,r2c5r2c6r3c5|8,r2c7r3c6r3c7|10,r2c8r3c8|10,r3c0r4c0|17,r3c1r3c2r4c1|9,r4c2r5c2|12,r3c3r4c3|16,r4c7r4c8r5c7|11,r4c6r5c5r5c6|14,r5c0r5c1r6c0|22,r6c1r6c2r7c1|7,r5c3r6c3|11,r6c6r6c7|17,r5c8r6c8|9,r7c2r7c3|13,r5c4r6c4r7c4|10,r6c5r7c5r8c5|5,r7c0r8c0|12,r8c1r8c2|16,r8c3r8c4|6,r7c6r8c6|9,r7c7r8c7|10,r7c8r8c8", "solution": "673459281412387965859216743986524317134798652725631498567142839291863574348975126", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7433, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7434, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2013-07-01", "puzzle": "11,r0c0r0c1|15,r0c3r0c4r0c5|9,r0c7r0c8|12,r1c0r1c1|13,r0c2r1c2r1c3|17,r0c6r1c5r1c6|11,r1c7r1c8|13,r2c0r2c1r2c2|17,r1c4r2c3r2c4r2c5|17,r2c6r2c7r2c8|8,r3c1r3c2|11,r3c6r3c7|23,r3c0r4c0r5c0r6c0|18,r4c1r4c2r5c1|13,r3c3r4c3|11,r3c4r4c4|3,r3c5r4c5|16,r4c6r4c7r5c7|20,r3c8r4c8r5c8r6c8|11,r5c2r5c3|11,r5c5r5c6|9,r6c1r6c2|13,r5c4r6c3r6c4r6c5|13,r6c6r6c7|12,r7c0r7c1r7c2|15,r7c3r7c4r7c5|18,r7c6r7c7r7c8|45,r8c0r8c1r8c2r8c3r8c4r8c5r8c6r8c7r8c8", "solution": "293168745576429183841357269735681924964732851182945637627513498318294576459876312", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7434, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7435, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-07-01", "puzzle": 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"18,r0c3r0c4r1c4|7,r0c7r0c8|19,r0c0r1c0r2c0|10,r0c1r0c2r1c1|14,r1c2r1c3r2c2|9,r0c5r1c5|10,r0c6r1c6|17,r1c7r1c8r2c8|11,r2c3r2c4|19,r2c1r3c1r3c2|15,r2c5r3c4r3c5|14,r2c6r2c7r3c6|10,r3c7r3c8|7,r3c0r4c0|9,r4c1r4c2|14,r3c3r4c3|16,r4c7r4c8r5c8|17,r5c0r5c1|4,r5c2r5c3|5,r4c4r5c4|9,r4c5r5c5|14,r4c6r5c6|13,r6c0r6c1|21,r6c2r6c3r7c2|10,r6c4r6c5r7c4|3,r5c7r6c7|6,r7c0r7c1|15,r6c6r7c5r7c6|23,r6c8r7c8r8c8|5,r8c0r8c1|13,r7c3r8c2r8c3|20,r8c4r8c5r8c6|8,r7c7r8c7", "solution": "612785943975634182483291567247568391536912874891347625764853219159426738328179456", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7468, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7469, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2013-07-08", "puzzle": 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"16,r0c0r0c1r1c0r1c1|9,r0c2r0c3|8,r0c6r0c7|28,r0c4r0c5r1c4r1c5r1c6|22,r0c8r1c8r2c8r3c8|23,r1c2r2c1r2c2|13,r2c4r2c5|10,r1c7r2c6r2c7|8,r2c0r3c0|22,r1c3r2c3r3c1r3c2r3c3|9,r3c4r3c5|22,r4c0r4c1r5c0r5c1r6c1|5,r4c2r5c2|30,r3c6r3c7r4c6r4c7r4c8|12,r4c3r5c3|17,r4c4r4c5r5c4|29,r6c3r6c4r7c3r7c4r8c4|21,r5c5r5c6r5c7r6c5r7c5|15,r6c6r6c7r7c6|5,r5c8r6c8|11,r6c0r7c0|10,r6c2r7c1r7c2|27,r7c7r7c8r8c7r8c8|28,r8c0r8c1r8c2r8c3|5,r8c5r8c6", "solution": "375481629246539718189267453768145932413928576952376184537692841621854397894713265", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7470, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7471, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-07-08", "puzzle": 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"7,r0c1r0c2r0c3|16,r0c4r0c5r0c6|21,r0c7r0c8r1c7|7,r0c0r1c0|22,r1c3r1c4r1c5|22,r1c1r2c0r2c1|11,r1c2r2c2|13,r1c6r2c5r2c6|7,r1c8r2c8|12,r3c1r3c2|7,r2c3r3c3|4,r2c4r3c4|11,r2c7r3c7|17,r3c0r4c0r4c1|11,r4c2r5c2|3,r3c5r4c5|22,r3c6r4c6r5c6|6,r3c8r4c8|5,r5c0r5c1|13,r4c3r5c3|17,r4c4r5c4|4,r4c7r5c7|8,r6c0r6c1|19,r6c2r6c3r6c4|12,r5c5r6c5|3,r6c6r6c7|15,r5c8r6c8|11,r7c1r7c2r8c1|14,r7c4r7c5|13,r7c0r8c0|13,r7c3r8c2r8c3|5,r8c4r8c5|10,r7c6r8c6|16,r7c7r8c7|8,r7c8r8c8", "solution": "514276389263859741798314256875431962639782514142695837356947128921568473487123695", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7473, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7474, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2013-07-09", "puzzle": 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"11,r0c0r0c1|11,r0c7r0c8|9,r0c2r1c2|17,r0c3r1c3|4,r0c4r1c4|9,r0c5r1c5|8,r0c6r1c6|15,r1c0r1c1r2c0|10,r2c1r2c2|15,r2c3r2c4r2c5|17,r2c6r2c7|9,r1c7r1c8r2c8|11,r3c0r4c0|16,r3c1r3c2|9,r3c3r3c4r3c5|10,r3c6r3c7|11,r3c8r4c8|19,r4c3r4c4r4c5|8,r4c1r5c0r5c1|12,r4c2r5c2r5c3|15,r5c4r6c4|17,r4c6r5c5r5c6|16,r4c7r5c7r5c8|12,r6c1r6c2r6c3|15,r6c5r6c6r6c7|5,r6c0r7c0|16,r7c3r7c4r7c5|13,r6c8r7c8|15,r8c0r8c1|17,r7c1r7c2r8c2|10,r8c3r8c4r8c5|18,r7c6r7c7r8c6|5,r8c7r8c8", "solution": "658912347941837526273645891897351462326784159514269783135496278462178935789523614", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7478, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7476, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2013-07-09", "puzzle": "0,r0c0r0c1r1c1|0,r0c3r0c4|6,r0c5r0c6|9,r0c7r0c8r1c8|0,r0c2r1c2r1c3|11,r1c4r2c4|26,r1c6r1c7r2c6r2c7|8,r1c0r2c0|0,r1c5r2c5|0,r2c8r3c8|7,r2c1r3c1|15,r2c2r2c3r3c2|11,r3c6r3c7|19,r3c0r4c0r4c1|14,r3c3r4c2r4c3|0,r3c4r3c5r4c4r4c5|4,r4c6r4c7|4,r5c0r5c1|0,r5c4r5c5r6c4|0,r4c8r5c8|22,r5c2r5c3r6c2r6c3|19,r5c6r6c5r6c6|8,r5c7r6c7r6c8|30,r6c0r7c0r8c0r8c1r8c2|12,r6c1r7c1r7c2|6,r7c3r8c3|0,r7c5r7c6|20,r7c7r7c8r8c8|0,r7c4r8c4r8c5|5,r8c6r8c7", "solution": "672985143349671582518243769265319478987426315134857926493762851721538694856194237", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7476, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7479, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-07-10", "puzzle": 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"16,r0c6r0c7r0c8|5,r0c0r1c0|15,r0c1r1c1|15,r0c2r1c2|9,r0c3r1c3|7,r0c4r1c4|9,r0c5r1c5|13,r1c6r1c7|7,r1c8r2c8|6,r2c0r2c1|11,r2c4r2c5|9,r2c6r2c7|22,r3c0r3c1r4c1|10,r2c2r3c2r4c2|10,r2c3r3c3|7,r3c4r3c5|17,r3c6r3c7|12,r4c0r5c0|15,r4c3r4c4r4c5|9,r3c8r4c8|5,r5c1r5c2|16,r5c3r5c4|15,r5c5r6c5|10,r4c6r5c6r6c6|15,r4c7r5c7r5c8|7,r6c1r6c2|15,r6c3r6c4|7,r6c7r6c8|7,r6c0r7c0|12,r7c1r7c2|9,r7c3r8c3|6,r7c4r8c4|6,r7c5r8c5|12,r7c6r8c6|3,r7c7r8c7|17,r7c8r8c8|19,r8c0r8c1r8c2", "solution": "286517493379462851514983276765134982491258367823796145152879634648325719937641528", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7488, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7489, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-07-12", "puzzle": 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"18,r0c0r0c1r0c2|14,r0c3r0c4r0c5|13,r0c6r0c7r0c8|7,r1c0r1c1|15,r1c2r1c3|9,r1c4r2c4|5,r1c5r1c6|15,r1c7r1c8|16,r2c0r2c1r3c0|5,r2c2r2c3|10,r2c5r2c6|17,r2c7r2c8r3c8|14,r3c1r3c2r4c2|13,r3c6r3c7r4c6|14,r3c3r4c3r5c3|19,r3c4r4c4r5c4|12,r3c5r4c5r5c5|14,r4c1r5c1r5c2|18,r4c7r5c6r5c7|15,r4c0r5c0r6c0|16,r6c1r6c2|6,r6c3r6c4r6c5|14,r6c6r6c7|16,r4c8r5c8r6c8|14,r7c0r7c1r8c0|20,r7c3r7c4r7c5|7,r7c7r7c8r8c8|11,r7c2r8c1r8c2|19,r8c3r8c4r8c5|19,r7c6r8c6r8c7", "solution": "918572436256934178734168259649781523321495687875326914497213865183659742562847391", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7508, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7510, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-07-16", "puzzle": 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"4,r0c0r0c1|10,r0c2r0c3|15,r0c4r0c5|6,r1c0r1c1|14,r1c2r1c3r1c4|7,r0c6r1c6|11,r0c7r1c7|16,r0c8r1c8|9,r2c3r2c4|18,r1c5r2c5r3c5|11,r2c6r2c7r2c8|8,r2c0r3c0|16,r2c1r3c1|13,r2c2r3c2|4,r3c3r3c4|12,r3c6r3c7|10,r3c8r4c8|9,r4c1r4c2|21,r4c3r4c4r4c5|3,r4c6r4c7|15,r4c0r5c0|6,r5c1r5c2|6,r5c4r5c5|15,r5c6r6c6|4,r5c7r6c7|13,r5c8r6c8|20,r6c0r6c1r6c2|21,r5c3r6c3r7c3|5,r6c4r6c5|6,r7c0r8c0|14,r7c1r8c1|5,r7c2r8c2|13,r7c4r7c5r7c6|12,r7c7r7c8|11,r8c3r8c4|16,r8c5r8c6|6,r8c7r8c8", "solution": "318296457425187369679453281294318576836975124751624938947832615562741893183569742", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7513, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7515, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2013-07-17", "puzzle": "17,r0c3r0c4r1c3|16,r0c6r0c7r1c7|11,r0c0r1c0|11,r0c1r1c1r2c1|10,r0c2r1c2|18,r0c5r1c5r1c6|9,r0c8r1c8|6,r1c4r2c4|8,r2c5r2c6|16,r2c0r3c0r4c0|15,r2c2r2c3r3c2|11,r3c3r3c4|15,r3c5r3c6r4c6|7,r2c7r3c7|17,r2c8r3c8|11,r3c1r4c1|13,r4c3r4c4r4c5|8,r4c7r5c7|9,r5c0r6c0|14,r5c1r6c1|13,r4c2r5c2r5c3|13,r5c4r5c5|11,r5c6r6c5r6c6|12,r4c8r5c8r6c8|12,r6c2r6c3|9,r6c4r7c4|9,r7c0r8c0|17,r7c2r7c3r8c3|11,r7c6r8c6|21,r6c7r7c7r8c7|7,r7c8r8c8|11,r7c1r8c1r8c2|17,r7c5r8c4r8c5", "solution": "214639785936857214578412639723561948491283567865794123189376452347125896652948371", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7515, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7516, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-07-17", "puzzle": 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"11,r0c2r0c3|21,r0c4r0c5r0c6r0c7|8,r0c0r1c0|21,r0c1r1c1r1c2|12,r1c3r1c4|12,r1c6r1c7r2c7|9,r0c8r1c8|10,r1c5r2c4r2c5|8,r2c0r3c0|21,r2c1r2c2r3c1r3c2|12,r2c3r3c3|39,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|6,r2c6r3c6|12,r2c8r3c7r3c8|14,r4c0r4c1r4c2|21,r4c6r4c7r4c8|14,r5c0r5c1r6c0|4,r5c2r6c2|5,r5c5r6c5|26,r5c6r5c7r6c6r6c7|13,r5c8r6c8|15,r6c3r6c4r7c3|8,r7c0r8c0|23,r6c1r7c1r7c2|9,r7c4r7c5|16,r7c6r7c7r8c7|5,r7c8r8c8|18,r8c1r8c2r8c3r8c4|12,r8c5r8c6", "solution": "195627483748935216236841597657498132824316759913572648481263975369754821572189364", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7519, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7520, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-07-18", "puzzle": 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"0,r0c3r0c4r0c5|11,r0c0r1c0|15,r0c1r0c2r1c1|14,r1c3r1c4r1c5|0,r0c6r0c7r1c7|17,r0c8r1c8|18,r1c2r2c2r3c2|0,r2c4r3c4r4c4|11,r1c6r2c6r3c6|13,r2c0r3c0r4c0|0,r2c1r3c1|0,r2c3r3c3|6,r2c5r3c5|0,r2c7r3c7|11,r2c8r3c8r4c8|12,r4c2r4c3r5c2|21,r4c5r4c6r5c6|6,r4c1r5c1|0,r4c7r5c7|18,r5c0r6c0r7c0|0,r5c3r6c2r6c3|6,r5c4r6c4|0,r5c5r6c5r6c6|12,r5c8r6c8r7c8|8,r6c1r7c1|12,r7c2r7c3r8c2|19,r7c5r7c6r8c6|0,r6c7r7c7|7,r8c0r8c1|17,r7c4r8c3r8c4r8c5|0,r8c7r8c8", "solution": "934216578285473619176985324497831256852764931613529847529647183761358492348192765", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7521, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7518, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-07-18", "puzzle": "5,r0c0r0c1|13,r0c3r1c3|7,r0c5r1c5|11,r0c7r0c8|12,r0c2r1c2|15,r0c4r1c4|10,r0c6r1c6|11,r1c0r2c0|8,r1c1r2c1|14,r1c7r2c7|5,r1c8r2c8|13,r2c2r3c2|5,r2c3r3c3|13,r2c4r3c4r4c4|9,r2c5r3c5|14,r2c6r3c6|18,r3c0r3c1r4c0|12,r4c2r4c3r5c2|7,r4c5r4c6r5c6|21,r3c7r3c8r4c8|8,r4c1r5c1|23,r5c3r5c4r5c5|4,r4c7r5c7|14,r5c0r6c0r7c0|12,r6c1r6c2|10,r6c6r6c7|15,r5c8r6c8r7c8|15,r7c1r7c2|7,r6c3r7c3|13,r6c5r7c5|10,r7c6r7c7|10,r8c0r8c1|8,r8c2r8c3|9,r6c4r7c4r8c4|17,r8c5r8c6|7,r8c7r8c8", "solution": "415863729827594361369217584184352976956471238732986415593128647278645193641739852", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7518, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7522, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2013-07-18", "puzzle": 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"7,r0c4r0c5|17,r0c6r0c7r0c8|13,r0c0r1c0r2c0|17,r0c1r1c1|4,r0c2r1c2|13,r0c3r1c3r2c3|5,r1c6r1c7|11,r2c1r2c2|23,r1c4r1c5r2c4|11,r2c5r2c6|12,r3c0r3c1r4c0|14,r3c3r3c4|7,r3c5r3c6|9,r2c7r3c7|13,r1c8r2c8r3c8|23,r3c2r4c1r4c2|12,r4c4r4c5r5c4|20,r4c6r4c7r5c6|7,r5c1r5c2|8,r4c3r5c3|4,r4c8r5c8|4,r5c0r6c0|9,r6c1r6c2|17,r5c5r6c5|22,r5c7r6c7r6c8|11,r7c0r7c1|19,r6c3r6c4r7c3|5,r6c6r7c6|20,r7c7r7c8r8c8|15,r8c0r8c1|12,r7c2r8c2r8c3|9,r7c4r7c5r8c4|12,r8c5r8c6r8c7", "solution": "691534827283796145547182936718953462469217583352648791136479258925861374874325619", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7573, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7574, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2013-07-29", "puzzle": 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"12,r0c3r0c4|19,r0c0r0c1r0c2r1c0|33,r1c1r1c2r2c0r2c1r3c0r4c0|28,r1c3r1c4r2c4r2c5r3c4r3c5|14,r0c5r1c5|39,r0c6r0c7r0c8r1c6r1c7r1c8r2c8|4,r2c2r2c3|21,r2c6r2c7r3c6r3c7|21,r3c1r3c2r4c1r4c2|13,r3c3r4c3|5,r4c4r4c5|19,r4c6r4c7r5c6r6c6|27,r5c2r5c3r5c4r5c5r6c5|9,r5c0r5c1r6c0|19,r6c1r6c2r7c1|12,r6c3r6c4|27,r3c8r4c8r5c7r5c8r6c7|13,r7c2r7c3|11,r7c5r7c6|8,r6c8r7c7r7c8|10,r7c0r8c0|28,r7c4r8c1r8c2r8c3r8c4r8c5r8c6|13,r8c7r8c8", "solution": "246938517751246839893175426632591784479823165518764392365482971187659243924317658", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7575, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7578, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-07-30", "puzzle": 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"14,r0c2r0c3r1c2|16,r0c4r0c5|13,r0c6r0c7r0c8|24,r0c0r0c1r1c0r1c1r2c0|0,r1c5r1c6|24,r1c7r1c8r2c7r2c8|9,r2c1r2c2|13,r1c3r2c3|0,r1c4r2c4|12,r2c5r2c6r3c5|17,r3c1r3c2|27,r3c3r3c4r4c4r5c3r5c4|8,r3c6r3c7|15,r3c0r4c0r4c1r5c0|13,r4c2r4c3|7,r4c5r4c6|0,r3c8r4c7r4c8r5c8|6,r5c1r5c2|14,r5c6r5c7|0,r6c1r6c2|0,r6c3r7c3|13,r6c4r7c4|10,r5c5r6c5r6c6|28,r6c0r7c0r7c1r8c0r8c1|0,r7c5r7c6|0,r6c7r6c8r7c7r7c8|11,r7c2r8c2r8c3|0,r8c4r8c5|0,r8c6r8c7r8c8", "solution": "563297148279841653481536279698724531157683492324915867946172385715368924832459716", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7591, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7589, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2013-08-01", "puzzle": 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"3,r0c7r0c8|9,r0c0r1c0|30,r0c1r0c2r0c3r1c1|17,r1c2r1c3r2c2r2c3|10,r0c4r1c4|15,r0c5r0c6r1c5|25,r1c6r1c7r1c8r2c6r2c7|23,r2c4r2c5r3c4r3c5|10,r2c0r3c0|7,r2c1r3c1|10,r3c2r3c3|27,r3c6r4c5r4c6r5c6|29,r2c8r3c8r4c8r5c8r6c8|14,r4c0r4c1|12,r4c2r4c3r4c4|11,r3c7r4c7r5c7|3,r5c0r6c0|4,r5c1r6c1|11,r5c2r5c3|20,r5c4r5c5r6c4r6c5|17,r7c0r8c0|22,r7c1r8c1r8c2r8c3|19,r6c2r6c3r7c2r7c3|9,r7c4r8c4|9,r7c5r8c5r8c6|29,r6c6r6c7r7c6r7c7r7c8|10,r8c7r8c8", "solution": "467835912598271463321694578759128346683459721214763859132947685875316294946582137", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7600, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7605, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-08-04", "puzzle": 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"15,r0c0r0c1|0,r0c3r0c4r1c3r1c4r1c5|9,r0c5r0c6|4,r1c0r1c1|11,r0c2r1c2|25,r0c7r0c8r1c7r1c8|7,r2c0r2c1|0,r2c2r2c3r2c4|11,r1c6r2c6r2c7|12,r2c8r3c8|16,r3c0r3c1r4c0r5c0|10,r3c2r3c3|0,r2c5r3c5r3c6|14,r4c1r4c2r4c3|0,r3c4r4c4r4c5|0,r3c7r4c7r4c8r5c7r5c8|12,r5c5r6c5|0,r4c6r5c6r6c6|19,r5c1r6c0r6c1|17,r5c2r5c3r6c2r6c3|0,r5c4r6c4r7c4|0,r6c7r6c8|12,r7c2r7c3r8c2|18,r7c5r8c3r8c4r8c5|8,r7c6r8c6|13,r7c7r8c7|0,r7c8r8c8|25,r7c0r7c1r8c0r8c1", "solution": "697234581314658279258971634736425918549186327182793456475319862923867145861542793", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7606, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7607, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-08-04", "puzzle": 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"9,r0c0r0c1|10,r0c2r0c3|15,r0c5r0c6|0,r0c7r0c8|18,r1c1r1c2r1c3r2c3|5,r0c4r1c4|0,r1c5r1c6r1c7r2c5|11,r1c0r2c0|14,r2c1r2c2|0,r2c6r2c7|0,r1c8r2c8|9,r3c1r3c2|0,r2c4r3c4|0,r3c6r3c7|29,r3c0r4c0r4c1r4c2|0,r3c3r3c5r4c3r4c4r4c5|0,r3c8r4c6r4c7r4c8|0,r5c0r5c1|0,r5c7r5c8|20,r5c2r5c3r6c2|9,r5c4r6c4|18,r5c5r5c6r6c6|5,r6c0r7c0|8,r6c1r7c1|0,r6c3r6c5r7c3r7c4r7c5|0,r6c7r7c7|0,r6c8r7c8|0,r8c0r8c1|0,r7c2r8c2|0,r8c3r8c4r8c5|0,r7c6r8c6|3,r8c7r8c8", "solution": "631947852482516793795382164963158247857624319124739586319265478278491635546873921", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7612, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7613, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-08-06", "puzzle": "24,r0c1r0c2r1c1|15,r0c3r0c4r0c5|14,r0c6r1c6r2c6|7,r0c0r1c0|15,r1c3r2c3|3,r1c4r1c5|12,r0c7r1c7|7,r0c8r1c8|3,r2c0r2c1|11,r1c2r2c2|13,r3c0r3c1r4c1|10,r3c2r3c3|17,r2c4r2c5r3c4|9,r2c7r3c7|10,r2c8r3c8|5,r4c2r4c3|14,r3c5r4c5|16,r3c6r4c6r5c6|12,r4c0r5c0r6c0|13,r5c1r5c2|14,r4c4r5c3r5c4|20,r4c7r4c8r5c7|17,r6c3r6c4|18,r5c5r6c5r6c6|12,r5c8r6c7r6c8|18,r6c1r7c0r7c1|5,r6c2r7c2|11,r7c4r7c5r8c4|15,r8c0r8c1|13,r7c3r8c2r8c3|9,r8c5r8c6|6,r7c6r7c7r8c7|17,r7c8r8c8", "solution": "387465291495721836216893457729158643143276985658349172531982764964517328872634519", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7613, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7614, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-08-06", "puzzle": "16,r0c0r0c1r1c0|5,r0c2r0c3|26,r0c5r0c6r0c7r0c8|19,r0c4r1c4r1c5r2c4|18,r1c6r1c7r2c7r3c7|22,r1c1r1c2r2c1|11,r1c3r2c2r2c3|9,r2c5r2c6|15,r1c8r2c8r3c8|6,r2c0r3c0|10,r3c5r3c6|25,r3c1r3c2r3c3r4c1|23,r4c3r5c3r5c4|10,r3c4r4c4|26,r4c5r4c6r4c7r4c8r5c7|8,r4c0r5c0|10,r4c2r5c1r5c2|17,r5c5r5c6r6c5|14,r6c1r6c2r7c1|13,r6c3r6c4|9,r5c8r6c8r7c8|9,r6c0r7c0|26,r6c6r6c7r7c5r7c6r7c7|13,r8c0r8c1|14,r7c2r7c3r8c2|9,r7c4r8c3r8c4|22,r8c5r8c6r8c7r8c8", "solution": "634159827789342561251786349468271935592834716317965482125498673876523194943617258", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7614, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7616, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-08-06", "puzzle": 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"10,r0c0r0c1|16,r0c2r0c3|11,r0c6r0c7r0c8|18,r1c0r1c1r1c2|16,r0c4r1c3r1c4|5,r0c5r1c5|8,r1c6r1c7|13,r2c0r3c0r3c1|8,r2c1r2c2r2c3|18,r2c4r2c5r2c6|15,r1c8r2c8|13,r3c3r3c4|4,r3c5r3c6|12,r2c7r3c7|16,r3c2r4c1r4c2|20,r4c3r4c4r5c3|13,r4c5r4c6r4c7|5,r3c8r4c8|13,r4c0r5c0|6,r5c1r5c2|6,r5c4r5c5|15,r6c4r6c5|15,r5c6r6c6|18,r5c7r5c8r6c8|7,r6c0r7c0|11,r6c1r6c2r7c1|10,r7c2r8c2|9,r6c3r7c3|24,r7c5r7c6r8c5|14,r6c7r7c7|17,r8c0r8c1|6,r7c4r8c3r8c4|5,r8c6r8c7|8,r7c8r8c8", "solution": "467953218198742536352186479829671354743895621615324897531469782274518963986237145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7618, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7619, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2013-08-07", "puzzle": 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"0,r0c0r0c1r0c2|16,r1c1r1c2|7,r0c3r0c4r1c3|17,r0c5r1c5|10,r0c6r1c6|17,r0c7r0c8r1c7r1c8|0,r1c0r2c0r3c0|12,r2c1r2c2r3c1|12,r1c4r2c4|18,r2c5r2c6r3c5r3c6|9,r2c7r2c8|13,r2c3r3c3r3c4|15,r3c7r3c8|9,r4c0r4c1r5c0|0,r3c2r4c2|9,r4c6r4c7|26,r4c3r4c4r5c3r5c4|10,r4c5r5c5r5c6|0,r4c8r5c7r5c8|12,r5c1r6c1|0,r5c2r6c2r6c3|8,r6c4r6c5|0,r6c6r7c5r7c6|0,r6c7r7c7|0,r7c2r7c3|0,r7c4r8c3r8c4|8,r6c8r7c8r8c8|28,r6c0r7c0r7c1r8c0r8c1r8c2|0,r8c5r8c6r8c7", "solution": "653249817479158263821673954296435178318726549547891326184362795735914682962587431", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7621, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7622, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-08-07", "puzzle": 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"17,r0c2r0c3r0c4|0,r0c5r0c6r1c6r1c7|11,r0c7r0c8|0,r0c0r1c0r2c0|0,r0c1r1c1r1c2|9,r1c3r1c4|0,r2c2r2c3r2c4|13,r1c5r2c5|6,r2c6r2c7|16,r1c8r2c8|0,r2c1r3c0r3c1|0,r3c2r3c3r4c2r5c2r5c3|7,r3c7r3c8|15,r4c0r4c1|0,r3c4r4c3r4c4r5c4|15,r4c7r4c8|12,r5c0r5c1r6c1|0,r3c5r3c6r4c5r4c6r5c5r5c6|12,r5c7r5c8|16,r6c2r6c3r6c4|12,r6c5r7c5|8,r6c6r6c7|3,r6c8r7c8|22,r6c0r7c0r8c0|0,r7c1r7c2r8c1|8,r7c3r7c4|0,r8c2r8c3r8c4|23,r7c6r7c7r8c5r8c6|12,r8c7r8c8", "solution": "347912856268547319159836247783169425695423178412785693871694532924358761536271984", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7631, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7632, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-08-09", "puzzle": "8,r0c0r0c1r1c0|0,r0c7r0c8r1c8|0,r0c2r1c1r1c2|28,r0c3r0c4r0c5r1c3r1c4r1c5|12,r0c6r1c6r1c7|0,r2c0r2c1r3c1r4c1r5c1|3,r2c2r2c3|11,r2c5r2c6|0,r2c7r2c8r3c7r4c7r5c7|9,r3c2r3c3|10,r2c4r3c4|0,r3c5r3c6|14,r3c0r4c0|40,r4c2r4c3r4c4r4c5r4c6r5c3r5c5|0,r3c8r4c8|0,r5c4r6c4|26,r5c0r6c0r6c1r7c0|0,r5c2r6c2r7c2|0,r5c6r6c6r7c6|0,r5c8r6c7r6c8r7c8|14,r6c3r7c3|12,r6c5r7c5|0,r7c1r8c0r8c1|0,r8c2r8c3|11,r7c4r8c4|9,r8c5r8c6|0,r7c7r8c7r8c8", "solution": "439285167178436925652197483586314279943762518721958346894623751215879634367541892", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7632, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7633, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-08-10", "puzzle": "22,r0c1r0c2r1c1|10,r0c3r0c4r0c5|13,r0c6r0c7r1c7|10,r0c0r1c0|6,r0c8r1c8|8,r2c0r2c1|13,r1c2r1c3r2c2|14,r1c4r2c4|12,r1c5r1c6r2c6|17,r2c7r2c8|13,r3c0r3c1r3c2|12,r2c3r3c3r4c3|16,r2c5r3c5r4c5|9,r3c6r3c7r3c8|18,r4c0r4c1r5c0|11,r3c4r4c4|13,r4c7r4c8r5c8|14,r4c2r5c1r5c2|16,r5c3r5c4r5c5|23,r4c6r5c6r5c7|7,r6c0r6c1|12,r6c2r6c3|5,r6c5r6c6|14,r6c7r6c8|18,r7c0r7c1r7c2|14,r7c3r8c3|14,r6c4r7c4r8c4|10,r7c5r8c5|15,r7c6r7c7r7c8|11,r8c0r8c1r8c2|15,r8c6r8c7r8c8", "solution": "498127635652893741713456298274689513965231874381745962529374186846912357137568429", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7633, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7634, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-08-10", "puzzle": "9,r0c1r0c2r1c1|27,r0c6r0c7r0c8r1c8r2c8|15,r0c0r1c0|21,r0c3r1c2r1c3|5,r0c4r1c4|10,r0c5r1c5|18,r1c6r1c7r2c6r2c7|11,r2c0r2c1|13,r2c2r2c3|6,r2c4r2c5|14,r3c0r3c1|7,r3c2r3c3|28,r3c4r3c5r4c4r4c5|8,r3c6r4c6|7,r3c7r3c8|10,r4c0r4c1|11,r4c7r4c8|29,r4c2r5c2r6c2r6c3r6c4|9,r4c3r5c3r5c4|8,r5c5r6c5|11,r5c6r6c6|18,r5c7r5c8r6c7|7,r5c0r6c0|5,r5c1r6c1|14,r6c8r7c7r7c8|6,r7c2r7c3|17,r7c4r8c4|9,r7c5r8c5|15,r7c6r8c6|20,r7c0r7c1r8c0r8c1|11,r8c2r8c3|6,r8c7r8c8", "solution": "751834296834926517926751483682579134193248765547613829219465378365187942478392651", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7634, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7635, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-08-10", "puzzle": 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"0,r0c3r0c4|10,r0c5r0c6|24,r0c7r0c8r1c7r1c8|0,r0c0r0c1r0c2r1c0r1c1|17,r1c2r1c3r1c4|0,r1c5r1c6|0,r2c2r2c3|0,r2c4r2c5r2c6r3c6r4c6|0,r2c8r3c8|12,r2c0r3c0|6,r2c1r3c1|8,r3c2r3c3|14,r3c4r3c5r4c5|8,r2c7r3c7|0,r4c0r4c1r4c2|0,r4c8r5c8|8,r5c1r5c2|23,r4c3r4c4r5c3r5c4|15,r5c6r6c6|0,r4c7r5c7r6c7|0,r5c0r6c0|9,r6c1r6c2r7c2|3,r6c3r7c3|9,r5c5r6c5|28,r7c0r7c1r8c0r8c1|0,r6c4r7c4r8c4|7,r7c5r7c6|4,r8c2r8c3|9,r8c5r8c6|24,r6c8r7c7r7c8r8c7r8c8", "solution": "169458237478632195325719864943561728286947513517823649734286951852194376691375482", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7666, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7669, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2013-08-17", "puzzle": "16,r0c1r0c2r1c1|7,r0c3r0c4|14,r0c6r0c7r0c8|12,r0c0r1c0r2c0|10,r1c2r1c3|14,r0c5r1c5|11,r1c6r1c7|8,r2c1r2c2|13,r1c4r2c4|9,r2c5r2c6|13,r1c8r2c8|31,r3c0r3c1r4c0r4c1r5c0r5c1|14,r2c3r3c2r3c3|19,r3c4r3c5r3c6|10,r2c7r3c7|7,r4c2r4c3|5,r3c8r4c8|13,r4c4r5c4|8,r4c5r5c5|13,r4c6r5c6|6,r4c7r5c7|18,r5c2r6c1r6c2|14,r5c3r6c3|14,r6c4r6c5r6c6r6c7|9,r5c8r6c8|15,r6c0r7c0|10,r7c2r7c3r8c2|12,r7c4r7c5r8c5|25,r7c6r7c7r8c6r8c7|12,r7c1r8c0r8c1|10,r8c3r8c4|13,r7c8r8c8", "solution": "618439275279165834435278169167582943584397612923641758796853421851724396342916587", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7669, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7667, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-08-16", "puzzle": "14,r0c3r0c4r0c5|0,r0c6r0c7|10,r0c0r1c0|23,r0c1r0c2r1c1r1c2r1c3|0,r1c4r1c5|0,r1c6r1c7|0,r0c8r1c8|9,r2c1r2c2|0,r2c6r2c7|13,r2c0r3c0|0,r3c1r3c2|0,r2c3r3c3|16,r2c4r3c4|0,r2c5r3c5|0,r2c8r3c8|0,r4c0r4c1r5c0r5c1|0,r4c3r4c4r4c5r5c3|0,r3c6r3c7r4c6|17,r4c7r4c8r5c8|0,r4c2r5c2|11,r5c4r5c5|20,r5c6r5c7r6c7r6c8|13,r6c2r6c3|14,r6c4r6c5r7c4|0,r6c0r6c1r7c0r7c1r8c0|11,r7c2r7c3|22,r6c6r7c6r8c6r8c7|13,r7c7r7c8r8c8|0,r8c1r8c2|0,r8c3r8c4|0,r7c5r8c5", "solution": "841932756275684391936175842462798135583241967719356284328567419697413528154829673", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7667, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7668, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2013-08-17", "puzzle": "19,r0c2r0c3r0c4|9,r0c5r0c6|3,r0c7r0c8|11,r0c0r1c0|11,r0c1r1c1|10,r1c2r1c3|13,r1c4r2c4|13,r1c7r1c8|21,r2c0r2c1r3c0|3,r2c2r2c3|6,r1c5r2c5|9,r1c6r2c6|15,r2c7r2c8|16,r3c3r3c4|7,r3c5r3c6r3c7|9,r4c0r5c0|6,r3c1r4c1|7,r3c2r4c2|19,r4c3r4c4r4c5|17,r4c6r5c6|12,r4c7r5c7|9,r3c8r4c8|19,r5c1r5c2r5c3|4,r5c4r5c5|11,r6c0r6c1|14,r6c2r7c2|4,r6c3r7c3|15,r6c5r6c6|10,r5c8r6c7r6c8|8,r7c0r7c1|9,r6c4r7c4|11,r7c5r7c6|15,r7c7r8c7|12,r7c8r8c8|7,r8c0r8c1|11,r8c2r8c3|10,r8c4r8c5r8c6", "solution": "687934521532871649491265387853792416214586973769413852926148735178359264345627198", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7668, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7671, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2013-08-17", "puzzle": "22,r0c0r0c1r0c2r0c3|0,r0c5r0c6|0,r1c0r1c1|0,r1c2r2c2|0,r0c4r1c4|0,r1c5r1c6r2c5r3c5|0,r0c7r1c7|0,r0c8r1c8|11,r2c0r2c1|0,r1c3r2c3|0,r2c7r3c7|7,r3c1r3c2|0,r2c4r3c4r4c4r5c4r6c4|9,r2c6r3c6|12,r2c8r3c8|22,r3c0r4c0r4c1r5c0|25,r3c3r4c2r4c3r5c3|4,r4c5r4c6|10,r4c7r4c8|11,r5c1r5c2|13,r5c6r6c6|13,r5c8r6c8|5,r6c0r6c1|3,r6c3r7c3|17,r5c7r6c7|13,r7c0r7c1|12,r6c2r7c2|0,r7c4r8c4|0,r5c5r6c5r7c5r7c6|0,r7c7r8c7|0,r7c8r8c8|21,r8c0r8c1r8c2r8c3|0,r8c5r8c6", "solution": "847362951123579648569841723416785239785923164392416587234157896678294315951638472", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7671, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7670, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-08-17", "puzzle": 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"18,r0c0r0c1r0c2|14,r0c3r0c4r0c5|13,r0c6r0c7r0c8|17,r1c0r1c1r1c2|14,r1c6r1c7r1c8|9,r2c1r2c2|6,r1c3r2c3|15,r1c4r2c4|10,r1c5r2c5|12,r2c6r2c7|9,r2c0r3c0|11,r3c1r3c2|12,r3c3r3c4r3c5|10,r3c6r3c7|10,r2c8r3c8|5,r4c1r4c2|18,r4c3r4c4r4c5|15,r4c6r4c7|18,r4c0r5c0r5c1|15,r5c3r5c4r5c5|11,r4c8r5c7r5c8|3,r6c0r6c1|15,r5c2r6c2r6c3|15,r5c6r6c5r6c6|17,r6c7r6c8|12,r6c4r7c4r8c4|15,r7c0r8c0|18,r7c1r7c2r8c1|21,r7c3r8c2r8c3|9,r7c5r8c5r8c6|6,r7c6r7c7r8c7|12,r7c8r8c8", "solution": "396284751458167293172593846829615374541378962763429518215736489687942135934851627", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7673, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7675, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-08-18", "puzzle": "16,r0c0r0c1r1c0|11,r0c2r0c3|11,r0c4r0c5|12,r1c4r1c5r2c4|10,r0c6r1c6|7,r0c7r1c7|9,r0c8r1c8|24,r1c1r1c2r1c3r2c1r3c1|18,r2c2r2c3r3c2r3c3|19,r2c6r2c7r3c6r3c7|11,r2c0r3c0|18,r2c5r3c5r4c5|24,r2c8r3c8r4c8|15,r3c4r4c3r4c4|5,r4c6r4c7|9,r4c0r5c0|12,r4c1r4c2r5c1|22,r5c2r5c3r5c4|11,r5c5r5c6r6c5|13,r5c7r5c8|13,r6c0r6c1|24,r6c6r6c7r6c8r7c6r8c6|10,r7c0r7c1|20,r6c2r6c3r7c2r7c3|5,r6c4r7c4|21,r7c7r7c8r8c7r8c8|10,r8c0r8c1|11,r8c2r8c3r8c4|14,r7c5r8c5", "solution": "964783215137592864582416937619374528753268149248951376491837652375629481826145793", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7675, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7674, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-08-18", "puzzle": "25,r0c0r0c1r0c2r1c0r1c1r1c2|27,r0c3r0c4r0c5r0c6r1c4r2c4|15,r0c7r0c8|8,r1c3r2c3|11,r1c6r1c7|24,r2c1r2c2r3c1r4c1|20,r1c5r2c5r3c5|10,r1c8r2c8|8,r2c0r3c0|9,r3c2r3c3|11,r2c6r3c6|7,r2c7r3c7|9,r4c0r5c0|13,r4c2r4c3|21,r3c4r4c4r5c4|4,r4c5r4c6|14,r3c8r4c8|6,r5c1r6c1|12,r5c2r6c2|5,r5c5r5c6|8,r5c8r6c8|8,r6c0r7c0|23,r5c3r6c3r7c3|19,r4c7r5c7r6c6r6c7|8,r7c1r7c2|11,r6c5r7c5|14,r8c0r8c1|25,r6c4r7c4r8c2r8c3r8c4r8c5|30,r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "312478596865319742794526318137245869486793125529681437243867951671954283958132674", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7674, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7677, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-08-18", "puzzle": "0,r0c1r0c2|0,r0c3r0c4|16,r0c7r0c8r1c7|0,r0c0r1c0r1c1|6,r1c2r1c3|0,r0c5r0c6r1c5r1c6r2c5|17,r2c2r2c3|0,r1c4r2c4|11,r2c6r2c7|0,r1c8r2c8|0,r2c0r3c0|12,r2c1r3c1r4c1|14,r3c3r3c4|5,r3c5r3c6|24,r3c7r3c8r4c8|0,r3c2r4c2|10,r4c3r4c4r4c5|0,r4c6r5c6|0,r4c0r5c0r5c1|0,r5c2r5c3|0,r5c4r5c5|8,r4c7r5c7r6c7|14,r5c8r6c8|0,r6c0r7c0|0,r6c1r6c2|0,r6c4r7c4|10,r6c5r6c6|21,r6c3r7c2r7c3r8c2r8c3|17,r7c5r7c6|9,r7c7r7c8r8c8|0,r7c1r8c0r8c1|12,r8c4r8c5|8,r8c6r8c7", "solution": "746385291952471863138926745614592387587163429293847516379214658461758932825639174", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7677, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7678, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2013-08-19", "puzzle": 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"21,r0c0r0c1r1c0|0,r0c2r0c3|9,r0c4r0c5r1c5|0,r0c6r0c7|14,r1c1r1c2r2c1|11,r1c3r1c4|0,r1c6r1c7r2c7r2c8|0,r0c8r1c8|15,r2c5r2c6|6,r2c0r3c0|0,r2c2r2c3r3c2|0,r3c6r3c7r3c8|8,r3c1r4c1|0,r2c4r3c3r3c4r4c2r4c3r4c4|10,r4c7r4c8|0,r4c0r5c0r5c1|38,r3c5r4c5r4c6r5c3r5c4r5c5r6c4|6,r5c6r5c7|0,r5c2r6c2|12,r5c8r6c8|17,r6c0r7c0|20,r6c1r7c1r7c2r8c2|12,r6c3r7c3r8c3|7,r6c5r7c5|20,r6c6r6c7r7c6|4,r8c0r8c1|9,r7c4r8c4|12,r8c5r8c6|18,r7c7r7c8r8c7r8c8", "solution": "685124937791563248243879615419635782578912364326487159864291573957346821132758496", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7711, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7712, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-08-25", "puzzle": "9,r0c6r0c7r1c6|5,r0c0r1c0|0,r0c1r0c2r1c1r1c2|8,r0c3r1c3|17,r0c4r1c4|26,r0c5r1c5r2c5r2c6|11,r0c8r1c8|0,r2c0r2c1|0,r2c3r2c4|0,r1c7r2c7|0,r2c2r3c2|29,r3c3r3c4r4c3r5c3r5c4|0,r2c8r3c7r3c8|0,r3c5r4c4r4c5r5c5|0,r3c6r4c6r4c7r4c8r5c6|36,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|0,r5c2r6c2|15,r5c7r5c8r6c8|15,r6c0r6c1|0,r6c3r6c4|0,r6c7r7c7|7,r7c0r8c0|21,r7c1r7c2r8c1r8c2|0,r7c3r8c3|0,r7c4r8c4|22,r6c5r6c6r7c5r8c5|0,r7c8r8c8|16,r7c6r8c6r8c7", "solution": "397586214218394657465217983583921746941675832726843195872459361134768529659132478", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7712, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7713, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-08-26", "puzzle": "13,r0c0r0c1r0c2|11,r0c4r0c5r0c6|13,r1c1r1c2|20,r0c3r1c3r2c3|14,r1c4r1c5r2c4|18,r0c7r1c6r1c7|15,r0c8r1c8|10,r1c0r2c0r2c1|9,r2c5r2c6r2c7|8,r2c8r3c8|3,r3c0r3c1|15,r2c2r3c2|12,r3c3r3c4|19,r3c5r3c6r3c7|10,r4c0r4c1|9,r4c2r4c3|16,r4c4r4c5r4c6|10,r4c7r4c8|14,r5c0r5c1|9,r5c2r6c2|13,r5c3r5c4|6,r5c5r5c6r5c7|16,r6c0r6c1r7c0|16,r6c5r6c6r6c7|13,r5c8r6c8|9,r7c1r7c2|9,r6c3r7c3r8c3|19,r6c4r7c4r7c5|13,r7c6r7c7r8c7|7,r7c8r8c8|19,r8c0r8c1r8c2|17,r8c4r8c5r8c6", "solution": "382946157167325948459871263216483795734519682598762314821634579645297831973158426", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7713, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7714, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-08-26", "puzzle": "21,r0c1r0c2r0c3r0c4|24,r0c7r0c8r1c7r1c8|15,r0c0r1c0r2c0|12,r1c2r1c3|15,r1c4r2c4|13,r0c5r0c6r1c5r2c5|6,r1c6r2c6r2c7|8,r1c1r2c1|18,r3c0r3c1r4c0r4c1|9,r2c2r3c2|8,r2c3r3c3|25,r3c4r3c5r4c4r4c5|24,r2c8r3c6r3c7r3c8|5,r4c2r4c3|16,r4c6r4c7|15,r5c0r5c1|25,r5c2r5c3r6c2r6c3|6,r5c4r6c4|12,r5c5r5c6|7,r5c7r6c7|7,r6c5r6c6|16,r4c8r5c8r6c8r7c8|19,r6c1r7c1r7c2|10,r7c3r8c3|22,r7c4r7c5r8c4r8c5|15,r7c6r7c7|18,r6c0r7c0r8c0r8c1r8c2|14,r8c6r8c7r8c8", "solution": "419832657367591248825764139934176582152348796786259314278913465693425871541687923", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7714, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7715, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-08-26", "puzzle": 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"8,r0c1r0c2|11,r0c7r0c8|0,r0c0r1c0|5,r1c1r1c2|29,r0c3r0c4r1c3r1c4r2c3r3c3|26,r0c5r0c6r1c5r1c6r1c7r1c8|0,r2c2r3c2|16,r2c0r3c0r4c0|14,r2c1r3c1|0,r2c4r3c4|8,r2c5r3c5|0,r2c6r3c6|5,r2c7r3c7|18,r2c8r3c8r4c8r5c8|18,r4c1r5c0r5c1r6c0|0,r4c2r5c2|0,r4c3r5c3|27,r4c4r4c5r5c4r5c5r6c4|0,r4c6r5c6|10,r4c7r5c7|0,r6c2r6c3|8,r7c0r8c0|0,r6c1r7c1r7c2|24,r7c3r7c4r8c3r8c4|0,r6c6r7c6r8c6|6,r6c7r7c7|13,r6c8r7c8|0,r8c1r8c2|0,r6c5r7c5r8c5|15,r8c7r8c8", "solution": "617583492823496175495271836356147928971628543248359761589732614762814359134965287", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7716, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7717, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-08-26", "puzzle": "22,r0c3r0c4r0c5|0,r0c0r1c0r2c0r2c1|0,r0c1r1c1|3,r0c2r1c2|13,r1c3r1c4r1c5|9,r0c6r1c6|0,r0c7r1c7|21,r0c8r1c8r2c7r2c8|0,r2c2r2c3|0,r2c5r2c6|14,r3c0r3c1|0,r3c2r3c3|0,r2c4r3c4|0,r3c5r3c6|0,r3c7r3c8|0,r4c0r4c1r5c1|0,r4c2r4c3|0,r4c5r4c6|22,r4c7r4c8r5c7|4,r5c2r5c3|0,r4c4r5c4|13,r5c5r5c6|0,r5c0r6c0r7c0|0,r6c1r6c2|0,r6c3r6c4r6c5|0,r6c6r6c7|10,r5c8r6c8r7c8|0,r7c1r7c2r7c3|14,r7c5r7c6r7c7|0,r8c0r8c1|13,r8c2r8c3|9,r7c4r8c4|0,r8c5r8c6|0,r8c7r8c8", "solution": "762598134931274856485361729594736281816425397273189465648912573359847612127653948", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7717, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7718, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2013-08-27", "puzzle": "12,r0c0r0c1|10,r0c7r0c8|14,r0c2r1c2|14,r0c3r0c4r1c3|7,r0c5r1c5|13,r0c6r1c6r2c6|10,r1c7r1c8|10,r1c0r1c1r2c0|10,r2c1r2c2r2c3|14,r1c4r2c4|6,r3c3r3c4|15,r2c5r3c5|17,r2c7r2c8r3c7|14,r3c0r4c0r5c0|17,r3c1r3c2r4c1|5,r4c2r5c2|13,r4c3r4c4r4c5|16,r3c6r4c6|17,r4c7r5c6r5c7|7,r3c8r4c8r5c8|24,r5c1r6c0r6c1|14,r5c3r6c3|12,r5c4r5c5|7,r6c4r7c4|12,r6c5r6c6r6c7|18,r6c8r7c7r7c8|5,r7c0r7c1|11,r6c2r7c2r8c2|16,r7c3r8c3|14,r7c5r8c4r8c5|12,r7c6r8c6|14,r8c0r8c1|5,r8c7r8c8", "solution": "485273619619584237327169548738426951564391782291857364873642195142935876956718423", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7718, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7719, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2013-08-27", "puzzle": "11,r0c2r0c3|10,r0c0r1c0|4,r0c1r1c1|11,r1c2r1c3|27,r0c4r0c5r1c4r1c5r1c6|34,r0c6r0c7r0c8r1c7r1c8r2c8|15,r2c0r2c1|16,r2c2r2c3r2c4r3c4|14,r3c1r3c2|13,r2c5r2c6r3c5r3c6|14,r3c0r4c0|5,r4c1r4c2|21,r2c7r3c7r3c8r4c7r4c8|11,r5c0r5c1|34,r3c3r4c3r4c4r5c3r5c4r5c5|26,r4c5r4c6r5c6r6c6|5,r5c7r6c7|6,r5c8r6c8|23,r5c2r6c1r6c2r6c3r7c2|11,r6c4r7c4|12,r6c5r7c5|5,r7c3r8c3|12,r7c6r8c6|15,r7c7r7c8|30,r6c0r7c0r7c1r8c0r8c1r8c2|10,r8c4r8c5|10,r8c7r8c8", "solution": "237495186815672493694183257986531742523847619471926835349768521162354978758219364", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7719, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7720, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2013-08-27", "puzzle": "21,r0c0r0c1r1c0r1c1|14,r0c3r0c4r0c5|24,r0c2r1c2r2c0r2c1r2c2|11,r1c3r1c4|12,r0c6r1c6|18,r0c7r1c7r2c7r2c8|8,r0c8r1c8|15,r2c3r2c4|5,r1c5r2c5|11,r3c0r4c0r5c0|11,r3c2r4c2|8,r2c6r3c6|12,r3c7r3c8|12,r3c1r4c1|29,r3c3r3c4r3c5r4c3r4c4r5c3|11,r4c5r4c6|21,r4c7r4c8r5c8|11,r5c1r5c2|21,r5c5r5c6r6c5r6c6|7,r6c0r6c1|10,r6c2r6c3|8,r5c4r6c4|15,r7c0r7c1r7c2r8c2|31,r5c7r6c7r7c5r7c6r7c7|17,r8c0r8c1|7,r7c3r8c3|18,r7c4r8c4r8c5|17,r6c8r7c8r8c6r8c7r8c8", "solution": "679851342358742916412963758234689175197325684865174239526417893743298561981536427", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7720, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7721, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-08-27", "puzzle": "3,r0c2r0c3|0,r0c5r0c6|38,r0c0r0c1r1c0r1c1r1c2r2c1|9,r0c4r1c3r1c4|0,r0c7r1c7|11,r0c8r1c8|26,r2c2r2c3r2c4r3c2r4c2|12,r1c5r2c5|0,r1c6r2c6|0,r2c7r2c8|10,r2c0r3c0|16,r3c3r3c4r4c3|10,r3c5r3c6|14,r3c7r3c8r4c8|0,r3c1r4c0r4c1|25,r4c4r4c5r5c4r5c5|16,r5c1r5c2|3,r4c6r5c6|19,r4c7r5c7r5c8|10,r5c0r6c0|0,r6c1r6c2|10,r5c3r6c3|9,r6c4r6c5|0,r7c0r7c1|0,r7c4r7c5r8c5|0,r6c6r6c7r7c6|0,r8c0r8c1|12,r7c2r8c2|0,r7c3r8c3r8c4|0,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "572136498869247513431985672645821937283679154197354286926718345358492761714563829", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7721, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7722, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-08-27", "puzzle": "20,r0c5r0c6r0c7r0c8|0,r0c0r1c0r2c0r3c0|0,r0c1r1c1|0,r0c2r1c2|12,r0c3r1c3|10,r0c4r1c4|4,r1c7r1c8|12,r2c2r3c2|0,r1c5r2c3r2c4r2c5|0,r1c6r2c6r3c6|0,r2c7r2c8|8,r2c1r3c1|19,r3c7r3c8r4c8|3,r4c1r4c2|14,r3c3r4c3r5c3|0,r3c4r4c4r5c4|0,r3c5r4c5r5c5|0,r4c6r4c7|16,r4c0r5c0r5c1|11,r5c7r6c7|0,r6c0r6c1|0,r5c2r6c2r7c2|0,r6c3r6c4r6c5r7c3|0,r5c6r6c6|0,r7c0r7c1|0,r7c4r8c4|9,r7c5r8c5|14,r7c6r8c6|0,r7c7r8c7|15,r5c8r6c8r7c8r8c8|0,r8c0r8c1r8c2r8c3", "solution": "194387256786925413523641789469132578812579364357864192635418927978253641241796835", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7722, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7723, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-08-28", "puzzle": "14,r0c1r0c2r1c1|19,r0c3r0c4r0c5|15,r0c6r0c7r1c7|13,r0c0r1c0r2c0|11,r0c8r1c8r2c8|11,r2c1r3c1|15,r1c2r2c2|10,r1c3r2c3|15,r1c4r2c4r3c4|6,r1c5r2c5|14,r1c6r2c6|12,r2c7r3c7|4,r3c2r3c3|13,r3c5r3c6|9,r3c0r4c0|12,r4c1r4c2|3,r4c6r4c7|11,r3c8r4c8|15,r5c0r5c1r5c2|10,r4c3r5c3|7,r4c4r5c4r6c4|13,r4c5r5c5|20,r5c6r5c7r5c8|13,r6c1r6c2|8,r6c6r6c7|14,r6c0r7c0|10,r7c1r7c2|11,r6c3r7c3|4,r6c5r7c5|7,r7c6r7c7|12,r6c8r7c8|4,r8c0r8c1|9,r8c2r8c3|15,r7c4r8c4|15,r8c5r8c6|11,r8c7r8c8", "solution": "172685943859134627436972851281359476793846215645217389967421538528793164314568792", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7723, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7725, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-08-28", "puzzle": "20,r0c2r0c3r0c4r0c5|14,r0c0r0c1r1c0|30,r1c1r1c2r2c0r2c1r2c2|13,r1c3r1c4r1c5|7,r0c6r1c6|28,r0c8r1c8r2c8r3c8r4c8|11,r2c3r2c4|21,r0c7r1c7r2c5r2c6r2c7|13,r3c0r3c1|5,r3c2r4c2|16,r3c5r3c6|7,r4c1r5c1|10,r3c3r4c3|9,r3c4r4c4r5c4|10,r4c5r5c5|5,r3c7r4c7|13,r5c2r5c3|15,r4c6r5c6|7,r5c7r5c8|27,r6c1r6c2r6c3r7c1r8c1|5,r6c4r6c5|25,r4c0r5c0r6c0r7c0r8c0|14,r7c2r8c2|18,r7c3r7c4r7c5|32,r6c6r6c7r6c8r7c6r7c7|8,r7c8r8c7r8c8|22,r8c3r8c4r8c5r8c6", "solution": "421685379857193462396472158583217946962854713714936825238541697175369284649728531", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7725, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7724, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-08-28", "puzzle": "30,r0c0r0c1r0c2r1c1r1c2|6,r0c3r0c4|11,r0c5r0c6|11,r0c7r0c8r1c8|11,r1c5r1c6|6,r1c0r2c0|26,r1c3r2c2r2c3r3c2r3c3|12,r1c4r2c4r2c5|13,r1c7r2c7r2c8|6,r3c0r4c0|10,r2c1r3c1|12,r2c6r3c6|17,r3c7r3c8|14,r4c1r4c2|11,r4c3r5c3|15,r3c4r4c4r5c4|8,r3c5r4c5|7,r4c6r4c7|9,r5c0r5c1|12,r5c2r6c2|7,r5c7r6c7|12,r4c8r5c8|17,r6c0r6c1r7c1|14,r6c3r6c4r7c4|24,r5c5r5c6r6c5r6c6r7c5|15,r6c8r7c8|8,r7c2r7c3|16,r7c0r8c0r8c1|11,r8c2r8c3|17,r8c4r8c5|17,r7c6r7c7r8c6r8c7r8c8", "solution": "982154763147936582536827941471265398259483617368719425624371859893542176715698234", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7724, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7728, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2013-08-29", "puzzle": "7,r0c4r0c5|13,r0c6r0c7r1c7|13,r0c0r1c0|5,r0c1r1c1|13,r0c2r1c2|14,r0c3r1c3r1c4|16,r1c5r1c6|14,r0c8r1c8r2c8|15,r2c0r2c1r3c0|8,r2c2r2c3r2c4|17,r2c5r2c6|16,r3c1r3c2|10,r2c7r3c7|14,r4c0r4c1|4,r3c3r4c3|13,r3c4r4c4|18,r3c5r3c6r4c5|9,r3c8r4c7r4c8|8,r5c0r5c1r6c0|8,r4c2r5c2|20,r5c3r5c4r6c4|9,r4c6r5c5r5c6|7,r6c1r6c2|14,r5c7r6c7|16,r5c8r6c8|16,r7c0r7c1|15,r6c3r7c2r7c3|8,r6c5r7c5r8c5|13,r6c6r7c6r8c6|11,r8c0r8c1r8c2|23,r7c4r8c3r8c4|8,r7c7r8c7|10,r7c8r8c8", "solution": "839725461524619738761438925297146583685397142143852697316274859978563214452981376", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7728, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7726, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-08-28", "puzzle": "6,r0c0r0c1|0,r1c0r1c1|0,r0c2r1c2|8,r0c3r1c3|21,r0c4r0c5r1c4r1c5r2c4|6,r1c6r1c7r2c7|34,r0c6r0c7r0c8r1c8r2c8|10,r2c0r3c0|26,r2c1r3c1r4c1r5c1|0,r2c2r3c2r4c2|16,r2c3r3c3|25,r2c5r2c6r3c5r3c6|13,r3c4r4c4r4c5|18,r3c7r3c8r4c6r4c7r4c8|8,r4c0r5c0|0,r4c3r5c2r5c3r5c4r6c3|11,r5c5r5c6|10,r5c7r5c8|0,r6c4r6c5r6c6|0,r6c7r6c8|0,r6c1r6c2r7c1r7c2|0,r7c3r7c4r7c5r7c6|9,r7c7r8c7|14,r7c8r8c8|21,r6c0r7c0r8c0r8c1r8c2|0,r8c3r8c4|10,r8c5r8c6", "solution": "516324798947581326832769514264973851793815642185642973329156487458237169671498235", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7726, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7727, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-08-28", "puzzle": "24,r0c0r0c1r1c0r1c1|13,r0c2r0c3|15,r0c4r0c5|22,r1c2r1c3r2c1r2c2r3c1|6,r1c4r1c5|16,r0c6r0c7r0c8r1c6|21,r1c7r2c6r2c7|0,r1c8r2c8|13,r2c0r3c0|39,r2c3r2c4r3c2r3c3r3c4r4c2r4c3r4c4|0,r2c5r3c5|13,r3c6r4c6|0,r3c7r3c8|0,r4c0r5c0|8,r4c1r5c1|0,r5c2r5c3|20,r4c5r5c4r5c5|0,r4c7r5c7|16,r4c8r5c8|18,r6c0r6c1r7c0r8c0|0,r6c3r6c4|11,r5c6r6c5r6c6|7,r6c7r6c8|14,r6c2r7c1r7c2|0,r7c4r7c5|0,r8c1r8c2|0,r7c3r8c3|0,r8c4r8c5|0,r7c6r8c6|28,r7c7r7c8r8c7r8c8", "solution": "735869421681342975492571683978413562163925847524687319857196234316254798249738156", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7727, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7729, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2013-08-29", "puzzle": "23,r0c0r0c1r0c2r0c3r1c2|12,r0c4r0c5|12,r0c6r0c7|9,r1c0r1c1|9,r1c3r1c4r2c3|20,r1c5r1c6r1c7|6,r0c8r1c8|27,r2c0r2c1r2c2r3c1|16,r2c6r2c7r3c7|16,r3c2r3c3|8,r2c4r2c5r3c4|10,r3c5r4c5|6,r2c8r3c8|11,r3c0r4c0|11,r4c3r4c4|14,r3c6r4c6|3,r4c1r5c1|9,r4c2r5c2|6,r5c3r5c4|15,r5c5r5c6r6c5|4,r4c7r5c7|15,r4c8r5c8|14,r5c0r6c0|11,r6c1r6c2|27,r6c3r6c4r7c3r7c4|6,r6c6r6c7|22,r7c0r7c1r8c0r8c1|15,r6c8r7c8|12,r7c2r8c2r8c3|20,r7c5r7c6r8c4r8c5r8c6|16,r7c7r8c7r8c8", "solution": "642875391183269475759134862867913524324657918915428637538791246476382159291546783", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7729, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7731, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2013-08-29", "puzzle": "0,r0c1r0c2|0,r0c3r0c4r0c5|8,r0c6r0c7|0,r0c0r1c0|5,r1c1r1c2|17,r1c6r1c7|13,r0c8r1c8|0,r2c0r2c1|42,r1c3r1c4r1c5r2c3r2c5r3c3r3c5|3,r2c7r2c8|0,r3c0r3c1r4c0|0,r2c2r3c2|12,r2c4r3c4r4c4|11,r2c6r3c6|14,r3c7r3c8r4c8|22,r4c1r4c2r4c3|9,r4c5r4c6r4c7|5,r5c0r5c1|13,r5c3r5c4r5c5|12,r5c7r5c8|0,r5c2r6c2|18,r6c3r6c4r6c5|0,r5c6r6c6|9,r6c0r7c0|0,r6c1r7c1|7,r7c2r7c3|0,r7c5r7c6|16,r6c7r7c7|0,r6c8r7c8|11,r8c0r8c1|0,r8c2r8c3|12,r7c4r8c4|0,r8c5r8c6|0,r8c7r8c8", "solution": "946218357123475986758369421514826739867943512239751648391684275682537194475192863", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7731, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7730, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2013-08-29", "puzzle": "32,r0c0r0c1r0c2r0c3r1c0r1c1|29,r0c4r0c5r0c6r0c7r0c8r1c8|28,r1c2r1c3r1c4r1c5r2c4r2c5|23,r1c6r1c7r2c6|17,r2c0r2c1r3c0|13,r2c2r2c3r3c2|23,r3c3r3c4r4c4r5c3r5c4|8,r3c5r3c6|13,r2c7r3c7|4,r2c8r3c8|18,r3c1r4c0r4c1r5c1|14,r4c2r4c3|19,r4c5r4c6r4c7r4c8|22,r5c0r6c0r6c1|6,r5c2r6c2r6c3|7,r5c5r5c6|8,r5c7r6c7|9,r5c8r6c8|18,r6c6r7c6r7c7|29,r6c4r6c5r7c2r7c3r7c4r7c5|32,r7c0r7c1r8c0r8c1r8c2r8c3|33,r7c8r8c4r8c5r8c6r8c7r8c8", "solution": "619748532458132967723659841874516293235974186961283475582397614396421758147865329", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7730, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7732, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-08-29", "puzzle": 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"14,r0c2r0c3|11,r0c4r0c5r0c6|11,r0c7r0c8|12,r0c0r0c1r1c0|11,r1c2r1c3|10,r1c4r1c5|17,r2c0r3c0r3c1|11,r1c1r2c1|16,r2c2r2c3r3c3|17,r1c6r2c6|8,r1c7r2c7|3,r1c8r2c8|11,r2c4r3c4|13,r2c5r3c5r3c6|16,r3c7r3c8r4c8|13,r3c2r4c1r4c2|5,r4c6r4c7|12,r4c0r5c0|15,r4c3r4c4r5c3|16,r4c5r5c4r5c5|16,r5c1r5c2r6c2|12,r6c3r6c4r6c5|8,r5c6r6c6|14,r5c7r6c7|12,r5c8r6c8|21,r6c0r7c0r8c0|13,r6c1r7c1r7c2|9,r7c3r7c4r8c3|4,r8c1r8c2|24,r7c5r8c4r8c5|6,r7c6r8c6|16,r7c7r8c7|8,r7c8r8c8", "solution": "189523647372946851645781932298437516714865329563192784927354168856219473431678295", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7733, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7734, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-08-30", "puzzle": "10,r0c0r0c1|13,r0c3r0c4|6,r0c5r0c6|11,r1c0r1c1|15,r0c2r1c2r2c2|17,r1c3r1c4r2c3r2c4|9,r0c7r0c8r1c7|22,r1c5r2c5r3c5|16,r1c6r2c6|24,r1c8r2c7r2c8r3c7|8,r2c0r3c0|19,r2c1r3c1r3c2r4c1|7,r4c0r5c0|12,r4c2r4c3r5c2|8,r3c6r4c5r4c6|8,r3c8r4c8|26,r3c3r3c4r4c4r5c4r5c5|26,r4c7r5c6r5c7r6c7|9,r5c8r6c8|25,r5c1r6c0r6c1r7c0|6,r6c2r7c2|19,r5c3r6c3r7c3|17,r7c1r8c0r8c1|20,r6c4r6c5r7c4r7c5|11,r6c6r7c6r8c6|10,r7c7r7c8|11,r8c2r8c3|8,r8c4r8c5|12,r8c7r8c8", "solution": "289671534471835926365429781547268193628193475193754862812946357754382619936517248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7734, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7735, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-08-30", "puzzle": "21,r0c2r0c3r1c2|17,r0c5r0c6r1c6|6,r0c7r0c8|16,r0c1r1c1r2c1|21,r0c4r1c3r1c4r2c3r2c4|17,r1c7r1c8|21,r1c5r2c5r3c5r4c5|23,r0c0r1c0r2c0r3c0|9,r2c2r3c2|18,r3c3r3c4r4c4r5c4r5c5|11,r2c6r3c6|25,r2c7r2c8r3c7r3c8r4c8|12,r3c1r4c1r4c2|6,r4c6r4c7r5c7|24,r4c0r5c0r5c1r6c0r6c1|5,r5c2r6c2|17,r5c6r6c6|17,r5c8r6c8r7c8r8c8|21,r4c3r5c3r6c3r7c3|9,r7c0r7c1|28,r6c4r6c5r7c4r7c5r8c4|21,r6c7r7c7r8c7|12,r8c0r8c1|16,r7c2r8c2r8c3|12,r7c6r8c5r8c6", "solution": "237986451645132798891547623718623549456819237923754816362471985189265374574398162", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7735, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7736, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-08-30", "puzzle": "0,r0c3r0c4|32,r0c7r0c8r1c7r1c8r2c7r2c8|0,r0c0r0c1r0c2r1c0|0,r1c1r1c2r1c3|19,r0c5r0c6r1c5r1c6|0,r1c4r2c4r3c4|24,r2c6r3c6r4c6|13,r2c0r3c0r4c0|25,r2c1r2c2r2c3r3c1|29,r3c2r4c2r5c2r6c2r7c2|13,r2c5r3c5|7,r3c7r3c8r4c8|33,r3c3r4c3r4c4r4c5r5c3r5c4r6c3|17,r4c1r5c0r5c1r6c0|11,r4c7r5c7|0,r6c4r7c4r8c4|8,r5c5r6c5|0,r5c6r6c6r6c7r7c7|23,r5c8r6c8r7c8|12,r6c1r7c1|9,r7c0r8c0|8,r8c1r8c2|11,r7c3r8c3|3,r7c5r8c5|0,r7c6r8c6|0,r8c7r8c8", "solution": "721958463438276195695314827283569741516847932947123586374685219159432678862791354", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7736, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7737, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2013-08-30", "puzzle": "15,r0c2r0c3|18,r0c5r0c6r1c5|0,r0c0r0c1r1c0r1c1|0,r1c2r1c3|0,r0c4r1c4|12,r0c7r1c6r1c7|8,r0c8r1c8|0,r2c0r2c1r2c2r3c0|0,r2c4r2c5|0,r2c6r2c7r2c8|0,r2c3r3c3|13,r3c5r3c6r3c7|0,r3c1r4c0r4c1r5c1|0,r3c2r4c2r4c3r5c2|24,r3c4r4c4r5c4|14,r4c5r4c6r4c7|18,r3c8r4c8r5c8|15,r5c3r6c3|8,r5c5r5c6r5c7|0,r5c0r6c0r6c1r6c2|0,r6c4r6c5|7,r6c6r6c7r6c8|0,r7c0r7c1r8c0r8c1|6,r7c2r7c3|0,r7c4r8c4|19,r7c6r7c7r8c7|0,r7c8r8c8|9,r8c2r8c3|18,r7c5r8c5r8c6", "solution": "537829416691745832284316795129573648856294371473681259765938124912467583348152967", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7737, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7739, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2013-08-31", "puzzle": "12,r0c0r0c1|14,r0c3r0c4r0c5r1c5|21,r0c2r1c1r1c2r1c3|36,r0c6r0c7r0c8r1c7r1c8r2c8|6,r1c0r2c0|15,r2c1r2c2r3c2|12,r1c4r2c4r3c4|18,r2c5r3c5r3c6|9,r1c6r2c6r2c7|10,r3c0r3c1|15,r2c3r3c3|14,r4c2r5c2|26,r4c3r4c4r5c3r5c4|11,r4c5r4c6r4c7|19,r3c7r3c8r4c8r5c8|4,r4c0r5c0|13,r4c1r5c1|7,r5c5r5c6|9,r6c3r6c4|22,r6c5r6c6r7c6|22,r5c7r6c7r6c8r7c7|13,r6c1r6c2r7c1r7c2|11,r7c3r7c4|9,r7c5r8c5|6,r7c8r8c8|32,r6c0r7c0r8c0r8c1r8c2|7,r8c3r8c4|12,r8c6r8c7", "solution": "756321948291548673483976125824615739369784251175293486632459817917832564548167392", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7739, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7738, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2013-08-31", "puzzle": "12,r0c0r0c1|4,r0c2r0c3|18,r0c6r0c7r1c6|8,r1c0r1c1|9,r1c2r1c3|14,r0c4r0c5r1c4|12,r0c8r1c8r2c8|10,r2c0r2c1|11,r2c2r2c3|13,r2c4r3c4|15,r1c5r2c5r2c6|14,r1c7r2c7|7,r3c0r3c1|10,r3c5r3c6|3,r4c0r5c0|14,r4c1r5c1|23,r3c2r3c3r4c2|16,r4c3r4c4r4c5|17,r4c6r5c5r5c6|16,r3c7r4c7|3,r3c8r4c8|8,r5c2r5c3|9,r5c7r5c8|9,r6c1r7c1|15,r6c2r6c3r7c3|6,r5c4r6c4|9,r6c5r6c6|10,r6c7r6c8|21,r6c0r7c0r8c0|24,r7c4r8c3r8c4|6,r7c5r7c6|13,r7c7r7c8|11,r7c2r8c1r8c2|4,r8c5r8c6|11,r8c7r8c8", "solution": "841367925625419783379285164436952871158736492297148536784523619913674258562891347", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7738, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7740, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2013-08-31", "puzzle": "11,r0c0r0c1|5,r0c2r0c3|13,r0c5r0c6|10,r0c7r0c8|8,r1c0r1c1|15,r1c2r1c3|7,r0c4r1c4|15,r1c5r1c6|6,r1c7r1c8|9,r2c2r2c3|9,r2c5r2c6|13,r2c0r3c0|23,r2c1r3c1r3c2r3c3|16,r2c4r3c4r4c4|19,r2c7r3c5r3c6r3c7|8,r2c8r3c8|10,r4c0r4c1|14,r4c7r4c8|5,r5c0r5c1|15,r4c2r4c3r5c2|9,r4c5r4c6r5c6|12,r5c7r5c8|10,r5c3r6c3|11,r5c4r6c4|15,r5c5r6c5|14,r6c0r7c0|16,r6c1r6c2r7c1|10,r7c3r7c4r7c5|13,r6c6r6c7r7c7|5,r6c8r7c8|3,r8c0r8c1|12,r7c2r8c2|17,r8c3r8c4r8c5|14,r7c6r8c6|13,r8c7r8c8", "solution": "742365819538719642961842735487256193195473268326198457654927381879631524213584976", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7740, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7742, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-08-31", "puzzle": "9,r0c2r0c3|0,r0c6r0c7|0,r0c0r0c1r1c0|0,r1c1r1c2|0,r0c4r1c4|20,r0c5r1c5r1c6r2c5|9,r0c8r1c8|0,r2c1r2c2r3c1|0,r1c3r2c3r3c3|12,r1c7r2c6r2c7|21,r2c0r3c0r4c0r4c1r5c0r6c0|0,r2c4r3c4|3,r3c6r3c7|15,r2c8r3c8|19,r3c2r4c2r5c2|0,r4c3r4c4|9,r3c5r4c5r5c5|0,r4c6r4c7r4c8|13,r5c4r6c4|0,r5c6r5c7|9,r5c8r6c8|0,r5c1r6c1r6c2|0,r5c3r6c3r7c3|18,r6c6r6c7r7c7|20,r7c0r8c0r8c1|0,r7c1r7c2|3,r7c4r8c4|30,r6c5r7c5r7c6r8c5|0,r7c8r8c8|0,r8c2r8c3|9,r8c6r8c7", "solution": "713652498962834571485179236634785129258961347197243685321598764846317952579426813", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7742, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7743, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2013-09-01", "puzzle": "9,r0c1r0c2|17,r0c3r0c4|13,r0c5r0c6r0c7|7,r0c0r1c0r2c0|13,r1c1r1c2|11,r1c3r1c4r1c5|13,r0c8r1c7r1c8|20,r2c1r2c2r2c3|6,r2c4r2c5|17,r1c6r2c6|9,r2c7r2c8|14,r3c0r3c1r4c0|8,r3c3r4c3|11,r3c5r3c6|20,r3c7r3c8r4c7|14,r3c2r4c2|18,r3c4r4c4r5c4|4,r4c6r5c6|10,r4c1r5c0r5c1|9,r5c2r5c3|11,r4c5r5c5|16,r4c8r5c7r5c8|12,r6c0r6c1|6,r6c2r7c2|11,r6c3r6c4|19,r6c5r6c6r6c7|23,r7c0r7c1r8c0|13,r7c3r7c4r7c5|5,r7c6r7c7|13,r6c8r7c8r8c8|10,r8c1r8c2r8c3|11,r8c4r8c5|12,r8c6r8c7", "solution": "163987425485362917279415863328146579916758342547293186752834691694571238831629754", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7743, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7741, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-08-31", "puzzle": "9,r0c0r0c1|16,r0c2r0c3|4,r0c5r0c6|8,r0c7r0c8|7,r1c2r1c3|20,r0c4r1c4r2c4r3c4|15,r1c5r1c6|21,r1c0r2c0r3c0r4c0r5c0|17,r1c1r2c1r3c1r4c1|0,r2c2r2c3|5,r2c5r2c6|24,r1c7r2c7r3c7r4c7|31,r1c8r2c8r3c8r4c8r5c8|10,r3c2r3c3|8,r3c5r3c6|0,r4c2r4c3r4c4r4c5r4c6|13,r5c2r5c3|0,r5c5r5c6|0,r5c1r6c1r6c2|8,r5c4r6c4|0,r5c7r6c6r6c7|19,r6c0r7c0r8c0|0,r7c1r7c2|4,r6c3r7c3|0,r6c5r7c5|0,r7c6r7c7|0,r6c8r7c8r8c8|10,r8c1r8c2r8c3|0,r7c4r8c4|23,r8c5r8c6r8c7", "solution": "549783162372516948168492375834621759716945283295837416627159834981364527453278691", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7741, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7744, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2013-09-01", "puzzle": "12,r0c0r0c1r0c2|7,r0c3r0c4|9,r1c2r1c3|14,r0c5r1c4r1c5|20,r0c6r0c7r1c6|11,r0c8r1c7r1c8|15,r1c0r2c0|13,r1c1r2c1|3,r2c2r2c3|21,r2c4r2c5r2c6|8,r3c0r3c1|10,r3c2r3c3|9,r3c5r3c6|9,r4c0r4c1|12,r4c2r4c3|18,r3c4r4c4r5c4|8,r4c5r4c6|6,r5c0r5c1|15,r5c2r5c3|6,r5c5r5c6|29,r2c7r3c7r4c7r5c7r6c7|23,r2c8r3c8r4c8r5c8r6c8|4,r6c0r7c0|16,r6c1r7c1|6,r6c2r6c3|19,r6c4r6c5r6c6|11,r7c2r7c3|11,r7c4r7c5r8c5|9,r7c6r8c6r8c7|21,r7c7r7c8r8c8|18,r8c0r8c1r8c2|12,r8c3r8c4", "solution": "723614958984537621651289473536421897819376245247895136395148762172963584468752319", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7744, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7745, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2013-09-01", "puzzle": 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"21,r0c4r0c5r1c5|7,r0c6r0c7|41,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1|7,r0c3r1c3|9,r1c6r1c7|6,r0c8r1c8|17,r2c2r2c3r3c2|8,r1c4r2c4|11,r2c5r2c6|11,r3c0r3c1|19,r3c3r3c4r4c3|14,r3c5r3c6r4c6|13,r2c7r3c7|11,r2c8r3c8r4c8|14,r4c1r4c2|13,r4c0r5c0r5c1|8,r5c3r6c3r6c4|9,r4c4r4c5r5c4|22,r4c7r5c7r5c8|9,r5c2r6c2|22,r5c5r5c6r6c5r6c6|11,r6c7r6c8|7,r6c0r7c0|15,r6c1r7c1|5,r7c2r7c3|21,r7c4r7c5r8c5|7,r7c6r8c6|21,r7c7r7c8r8c7r8c8|8,r8c0r8c1|18,r8c2r8c3r8c4", "solution": "627198345983654721514732986836479152759821463241563897398215674462387519175946238", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7759, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7760, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-09-04", "puzzle": 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"18,r0c3r0c4r0c5|7,r0c0r1c0|17,r0c1r1c1|7,r0c2r1c2|14,r1c3r1c4r1c5|11,r0c6r1c6|7,r0c7r1c7|9,r0c8r1c8|26,r2c2r2c3r2c4r2c5r2c6|16,r2c0r3c0|6,r2c1r3c1|26,r3c2r3c3r3c4r3c5r3c6r4c4|15,r2c7r3c7|6,r2c8r3c8|8,r4c0r4c1|8,r4c2r4c3|12,r4c5r4c6|12,r4c7r4c8|19,r5c0r5c1r5c2|17,r5c6r5c7r5c8|12,r6c1r6c2|6,r5c3r6c3|11,r5c5r6c5|12,r6c6r6c7|14,r6c0r7c0|13,r7c2r7c3|9,r5c4r6c4r7c4|8,r7c5r7c6|6,r6c8r7c8|8,r7c1r8c0r8c1|25,r8c2r8c3r8c4r8c5r8c6|20,r7c7r8c7r8c8", "solution": "381792456496185723725346891943871265172659348568423917639218574854967132217534689", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7769, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7768, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-09-06", "puzzle": "9,r0c1r0c2|12,r0c3r0c4|14,r0c0r1c0|16,r1c1r1c2|11,r0c5r0c6r1c5|6,r1c6r2c6|20,r0c7r1c7r2c7|9,r0c8r1c8|5,r2c1r2c2|10,r1c3r1c4r2c3|13,r2c4r2c5|12,r2c0r3c0r3c1|14,r3c2r3c3|16,r3c4r3c5r3c6|14,r3c7r4c6r4c7|15,r2c8r3c8r4c8|12,r4c3r4c4r4c5|10,r4c0r5c0r6c0|20,r4c1r4c2r5c1|17,r5c2r5c3r5c4|10,r5c5r5c6|17,r5c7r5c8r6c8|10,r6c3r6c4|15,r6c5r7c4r7c5|9,r6c6r6c7|16,r7c0r8c0|12,r6c1r7c1r8c1|8,r6c2r7c2|9,r7c3r8c2r8c3|12,r7c6r7c7|6,r7c8r8c8|15,r8c4r8c5|11,r8c6r8c7", "solution": "845932176697148253123576489478625931269813745351794628532469817786251394914387562", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7768, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7770, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-09-06", "puzzle": 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"15,r0c0r0c1|3,r0c2r0c3|11,r0c4r0c5|8,r1c0r1c1|24,r1c4r1c5r2c4|20,r0c6r0c7r1c6|6,r0c8r1c8|15,r2c0r2c1|6,r1c2r2c2|4,r1c3r2c3|11,r2c5r2c6|11,r1c7r2c7|14,r3c0r3c1|16,r3c2r3c3|7,r3c5r3c6r3c7|6,r2c8r3c8|15,r4c0r4c1r4c2|10,r3c4r4c4|9,r4c6r4c7|6,r5c0r5c1|12,r4c3r5c3|16,r4c5r5c5r6c5|16,r5c6r5c7r6c7|20,r4c8r5c8r6c8|7,r6c0r6c1|16,r5c2r6c2r6c3|7,r5c4r6c4|7,r7c4r7c5|18,r6c6r7c6r8c6|8,r7c7r7c8|10,r7c0r8c0|5,r7c1r8c1|22,r7c2r7c3r8c2|16,r8c3r8c4r8c5|8,r8c7r8c8", "solution": "871256394534197862962384751687931245195472638423865179256719483718543926349628517", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7783, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7784, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2013-09-09", "puzzle": "21,r0c2r0c3r1c2|5,r0c4r0c5|12,r0c0r1c0r2c0|20,r0c1r1c1r2c1r3c1|17,r1c3r1c4r2c4|9,r1c5r2c5r2c6|32,r0c6r0c7r0c8r1c6r1c7r1c8|12,r2c7r2c8|17,r2c2r3c2|11,r2c3r3c3|7,r3c0r4c0|10,r3c4r3c5r4c4|11,r3c6r4c6|15,r3c7r4c7|10,r3c8r4c8|9,r4c1r5c1|5,r4c2r5c2|16,r4c3r5c3r6c3|15,r4c5r5c5|4,r5c6r5c7|9,r5c0r6c0|25,r5c4r6c4r7c4r8c4|9,r6c5r6c6|8,r5c8r6c8|18,r6c1r6c2r7c1|12,r7c2r7c3r8c2r8c3|25,r7c5r7c6r8c5r8c6r8c7|13,r6c7r7c7|20,r7c0r8c0r8c1|8,r7c8r8c8", "solution": "396814752517392468428756139189435276653127984742968315275641893961283547834579621", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7784, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7785, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2013-09-09", "puzzle": 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"18,r0c0r0c1r0c2|0,r0c3r0c4r1c3r1c4|0,r0c6r0c7r0c8|24,r1c0r1c1r1c2r2c0r2c1|0,r0c5r1c5r2c5|21,r1c6r1c7r1c8r2c6|9,r2c2r2c3|4,r2c8r3c8|37,r3c0r3c1r4c0r4c1r5c0r5c1|28,r2c4r3c4r3c5r3c6|0,r2c7r3c7r4c7|0,r3c2r3c3r4c2|27,r4c3r4c4r5c4r6c4r7c4|0,r4c5r4c6r5c5r6c5r7c5r7c6|12,r4c8r5c8|16,r5c2r5c3r6c2|22,r6c0r6c1r7c0r8c0|0,r5c6r6c6|11,r5c7r6c7|0,r7c1r7c2|12,r6c3r7c3|17,r6c8r7c8r8c8|0,r8c1r8c2r8c3r8c4|17,r8c5r8c6|7,r7c7r8c7", "solution": "459813627186247395273695481742968513361452978895371264628734159914586732537129846", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7786, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7788, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-09-10", "puzzle": 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"6,r0c2r0c3|6,r0c7r0c8|16,r0c0r1c0|14,r0c1r1c1|5,r1c2r1c3|15,r0c4r1c4|8,r0c5r1c5|10,r0c6r1c6|8,r2c1r2c2|19,r1c7r1c8r2c7|3,r2c0r3c0|13,r2c3r3c3|4,r2c4r3c4|23,r2c5r2c6r3c5|5,r3c6r4c6|9,r2c8r3c8|18,r3c1r3c2r4c1|19,r4c2r4c3r4c4|21,r3c7r4c7r5c7|8,r4c0r5c0|12,r5c1r5c2|6,r5c3r5c4r6c3|11,r4c5r5c5|11,r4c8r5c8|11,r6c0r6c1r6c2|15,r6c4r6c5r7c5|12,r5c6r6c6|4,r7c1r7c2|14,r7c3r7c4|13,r6c7r6c8r7c7|11,r7c8r8c7r8c8|14,r7c0r8c0|24,r8c1r8c2r8c3|5,r8c4r8c5|12,r7c6r8c6", "solution": "764293851981465237235718694127639485396584172548127369452376918813952746679841523", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7813, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7814, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2013-09-15", "puzzle": 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"3,r0c2r0c3|13,r0c4r0c5|16,r0c7r0c8r1c8|4,r0c0r1c0|13,r0c1r1c1|7,r1c2r1c3|22,r0c6r1c6r1c7|15,r2c0r2c1|18,r1c4r2c3r2c4|16,r1c5r2c5r3c5|5,r2c6r2c7|11,r2c8r3c8|7,r3c0r3c1|13,r2c2r3c2|9,r3c3r3c4r4c4|18,r3c6r3c7r4c7|17,r4c1r4c2r4c3|10,r4c5r4c6|11,r4c0r5c0|20,r5c1r5c2r6c2|7,r5c6r5c7|17,r4c8r5c8r6c8|14,r6c0r6c1r7c0|9,r5c3r6c3|14,r5c4r5c5r6c4|14,r6c6r6c7r7c6|5,r6c5r7c5|8,r7c7r7c8|12,r8c0r8c1|10,r7c1r7c2r8c2|24,r7c3r7c4r8c3|7,r8c4r8c5|16,r8c6r8c7r8c8", "solution": "342176958195248763876593412617425389254839176938617524529361847761984235483752691", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7818, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7820, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-09-16", "puzzle": 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"0,r0c0r0c1r0c2r0c3r1c0|15,r0c4r0c5r1c4r1c5|10,r1c1r1c2|5,r0c6r1c6|24,r0c7r0c8r1c7|18,r2c0r2c1r3c0|0,r1c3r2c3|0,r2c4r2c5|11,r1c8r2c7r2c8|0,r2c2r3c1r3c2|21,r2c6r3c5r3c6|10,r4c0r5c0|19,r4c1r4c2r5c1|6,r3c3r4c3|9,r3c4r4c4r5c4|0,r4c5r5c5|0,r3c7r4c6r4c7|13,r3c8r4c8|0,r5c2r5c3r6c2|0,r5c6r5c7r6c6|0,r6c0r6c1r7c0|0,r6c3r6c4|0,r6c5r7c5|6,r5c8r6c7r6c8|14,r7c1r8c0r8c1|0,r7c2r8c2|0,r7c6r7c7|17,r7c3r7c4r8c3r8c4|0,r7c8r8c5r8c6r8c7r8c8", "solution": "425693178837521496691784532356219784178436259942857613763945821214378965589162347", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7822, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7823, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2013-09-17", "puzzle": "5,r0c1r0c2|5,r0c3r0c4|24,r0c5r0c6r0c7|8,r0c8r1c8|6,r0c0r1c0|13,r1c1r1c2|8,r1c3r1c4|21,r1c5r1c6r1c7|17,r2c1r2c2|9,r2c3r2c4|15,r2c5r2c6r3c5|4,r2c7r2c8|11,r2c0r3c0|6,r3c1r3c2|11,r4c0r5c0|6,r4c1r5c1|15,r4c2r5c2|5,r3c3r4c3|22,r3c4r4c4r5c4|6,r4c5r5c5|14,r3c6r4c6|3,r3c7r4c7|12,r3c8r4c8|12,r5c6r5c7|12,r5c8r6c8|3,r6c0r6c1|21,r5c3r6c2r6c3|12,r6c4r6c5|9,r6c6r6c7|19,r7c1r7c2r7c3|4,r7c4r7c5|6,r7c6r7c7|12,r7c8r8c8|15,r7c0r8c0|14,r8c1r8c2r8c3|10,r8c4r8c5|10,r8c6r8c7", "solution": "532148976167539482498726531751364829849275613326891754214957368985613247673482195", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7823, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7824, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2013-09-17", "puzzle": 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"24,r0c0r0c1r0c2r1c0r1c1|26,r0c6r0c7r0c8r1c7r1c8|24,r0c3r0c4r0c5r1c3r1c5|22,r2c0r2c1r3c0r3c1|16,r1c2r2c2|6,r1c4r2c4|11,r1c6r2c6|18,r2c7r2c8r3c7r3c8|27,r2c3r2c5r3c3r3c4r3c5|16,r4c0r4c1r5c0r5c1|15,r3c2r4c2r4c3|15,r3c6r4c5r4c6|18,r4c7r4c8r5c7r5c8|11,r4c4r5c4|6,r5c2r6c2|5,r5c3r6c3|13,r5c5r6c5|13,r5c6r6c6|20,r6c0r7c0r8c0|11,r6c1r7c1|7,r7c2r7c3|12,r6c4r7c4|7,r7c5r7c6|17,r6c7r7c7|10,r6c8r7c8r8c8|35,r8c1r8c2r8c3r8c4r8c5r8c6r8c7", "solution": "586432179327619854149758362894165237673824915215397648951246783762583491438971526", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7825, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7827, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2013-09-17", "puzzle": 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"5,r0c0r0c1|22,r0c6r0c7r1c6|13,r0c2r1c2r2c2|9,r0c3r1c3|14,r0c4r1c4|9,r0c5r1c5|9,r0c8r1c8|15,r1c0r2c0|12,r1c1r2c1|12,r2c4r2c5|11,r1c7r2c7r2c8|11,r3c2r4c2|10,r2c3r3c3|15,r3c4r3c5|8,r2c6r3c6|11,r3c0r3c1r4c0|22,r4c1r5c0r5c1|8,r4c3r4c4r4c5|9,r3c7r3c8r4c7|19,r4c8r5c7r5c8|9,r5c2r6c2|11,r5c3r5c4|11,r5c5r6c5|12,r4c6r5c6|14,r6c0r6c1r7c1|9,r6c3r6c4|15,r6c7r7c7|7,r6c8r7c8|10,r7c0r8c0|12,r7c3r8c3|3,r7c4r8c4|12,r7c5r8c5|12,r6c6r7c6r8c6|13,r7c2r8c1r8c2|11,r8c7r8c8", "solution": "142753698835296741796184325364978512257341869981562437528639174679415283413827956", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7828, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7829, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-09-18", "puzzle": "7,r0c0r0c1|15,r0c3r0c4|11,r0c7r0c8|9,r0c2r1c2|11,r1c3r1c4r2c3|7,r0c5r1c5|12,r0c6r1c6|9,r1c7r1c8|29,r1c0r1c1r2c0r2c1r3c1|16,r2c2r3c2|15,r2c4r3c3r3c4|7,r2c5r3c5|19,r2c6r3c6r4c6|10,r2c7r3c7|9,r2c8r3c8|17,r3c0r4c0r4c1|12,r4c3r4c4r4c5|12,r4c7r4c8r5c8|11,r5c0r6c0|6,r5c1r6c1|15,r4c2r5c2r6c2|10,r5c3r6c3|19,r5c4r5c5r6c4|4,r5c6r6c6|30,r5c7r6c7r6c8r7c7r7c8|11,r7c0r7c1|5,r7c2r8c2|12,r7c3r8c3|14,r6c5r7c4r7c5|10,r7c6r8c6|9,r8c0r8c1|13,r8c4r8c5|9,r8c7r8c8", "solution": "431876592598241736627593481379154628865732914214689357956428173742315869183967245", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7829, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7830, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-09-18", "puzzle": "8,r0c3r0c4|32,r0c7r0c8r1c6r1c7r1c8r2c7r2c8|17,r1c3r1c4r2c3|19,r0c5r0c6r1c5|12,r1c1r2c1|25,r0c0r0c1r0c2r1c0r1c2r2c2|8,r2c4r2c5|14,r2c0r3c0|15,r3c3r3c4r3c5r4c5|13,r2c6r3c6r4c6r5c6|30,r3c1r3c2r4c1r4c2r5c2|9,r4c3r4c4|19,r3c7r4c7r5c7|6,r4c0r5c0|23,r5c3r5c4r6c3|19,r3c8r4c8r5c8|21,r5c1r6c0r6c1r6c2r7c0|13,r5c5r6c5|4,r6c6r6c7|12,r7c1r7c2r7c3|12,r6c4r7c4|41,r6c8r7c5r7c6r7c7r7c8r8c7r8c8|9,r8c0r8c1|24,r8c2r8c3r8c4r8c5r8c6", "solution": "946538721172694853853271649695123478287459136431867295524986317718345962369712584", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7830, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7833, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2013-09-19", "puzzle": "7,r0c0r0c1|22,r0c4r0c5r0c6|7,r0c7r0c8r1c8|6,r1c0r1c1|18,r0c2r0c3r1c2|18,r1c3r1c4r1c5|12,r1c6r1c7|8,r2c1r3c1|10,r2c2r2c3r2c4|10,r2c5r2c6|13,r2c7r2c8|12,r2c0r3c0|15,r3c5r3c6|15,r4c0r5c0|15,r4c1r5c1|3,r3c2r4c2|9,r3c3r4c3|16,r3c4r4c4r5c4|5,r4c5r5c5|5,r4c6r5c6|5,r3c7r4c7|16,r3c8r4c8|10,r5c2r5c3|7,r5c8r6c8|12,r6c0r6c1|14,r6c2r6c3|8,r6c4r6c5r6c6|17,r5c7r6c7|17,r7c1r7c2|8,r7c3r7c4r7c5|17,r7c6r8c5r8c6|9,r7c7r7c8|7,r7c0r8c0r8c1|19,r8c2r8c3r8c4|13,r8c7r8c8", "solution": "617398524248567931935412876351289647862754319794631285576843192489125763123976458", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7833, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7834, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2013-09-19", "puzzle": "25,r0c0r0c1r0c2r0c3|6,r0c5r0c6|7,r1c0r1c1|15,r0c4r1c3r1c4|16,r1c5r1c6|8,r0c7r1c7|12,r0c8r1c8|16,r2c0r2c1|20,r1c2r2c2r2c3r2c4r3c4|10,r3c0r4c0|5,r3c1r3c2|22,r3c3r4c3r4c4r4c5r5c5|7,r2c5r3c5|10,r2c6r3c6|21,r2c7r3c7r4c6r4c7|9,r2c8r3c8|10,r5c0r6c0|26,r4c1r4c2r5c1r6c1|7,r5c2r6c2|13,r5c3r6c3|15,r5c6r5c7|3,r4c8r5c8|22,r5c4r6c4r6c5r6c6r7c6|12,r6c7r6c8|5,r7c0r8c0|14,r7c1r8c1|9,r7c2r7c3|13,r7c4r7c5r8c4|17,r7c7r7c8|12,r8c2r8c3|18,r8c5r8c6r8c7r8c8", "solution": "648731529521849763973265184714682935389157642265493871832916457156374298497528316", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7834, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7836, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-09-19", "puzzle": 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"15,r0c3r0c4r0c5|13,r0c0r0c1r1c0|15,r0c2r1c2|12,r1c3r1c4r1c5|17,r0c6r1c6|8,r0c7r0c8r1c8|13,r1c1r2c0r2c1|15,r1c7r2c7r2c8|10,r3c0r3c1|12,r2c2r3c2|15,r2c3r3c3r4c3|13,r2c4r3c4|13,r2c5r3c5r4c5|11,r2c6r3c6|10,r3c7r3c8|7,r4c0r4c1|9,r4c7r4c8|14,r4c2r5c1r5c2|18,r4c4r5c4r6c4|15,r4c6r5c6r5c7|14,r5c0r6c0|11,r5c3r6c3|5,r5c5r6c5|14,r5c8r6c8|10,r6c1r7c1|13,r6c2r7c2r7c3|17,r6c6r7c5r7c6|14,r6c7r7c7|19,r7c0r8c0r8c1|3,r8c2r8c3|9,r7c4r8c4|10,r8c5r8c6|11,r7c8r8c7r8c8", "solution": "519726843786435921324198576198542637257963418643871295872354169435619782961287354", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7928, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7926, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-10-07", "puzzle": 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"16,r0c0r0c1|11,r0c2r0c3|3,r1c1r1c2|14,r0c4r0c5r1c4|5,r0c6r1c6|9,r0c7r1c7|13,r0c8r1c8|14,r1c0r2c0r3c0|7,r2c1r2c2|16,r1c3r2c3r2c4|13,r1c5r2c5r2c6|22,r3c3r3c4r3c5|17,r2c7r3c7|13,r2c8r3c8r4c8|6,r3c1r4c1|12,r3c2r4c2r5c2|13,r4c3r4c4r4c5|18,r3c6r4c6r5c6|13,r4c7r5c7|16,r4c0r5c0r6c0|17,r5c1r6c1|10,r5c3r5c4r5c5|15,r6c2r6c3r7c3|15,r6c4r6c5r7c5|9,r6c6r6c7|10,r5c8r6c8r7c8|6,r7c0r8c0|9,r7c1r8c1|16,r7c2r8c2|16,r7c4r8c3r8c4|9,r7c6r7c7|12,r8c5r8c6|10,r8c7r8c8", "solution": "978341256621895347543627198314769582752418963896253471185972634439186725267534819", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7938, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7939, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-10-10", "puzzle": 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"21,r0c3r0c4r0c5|5,r0c0r1c0|0,r0c1r1c1|16,r0c2r1c2|5,r0c6r1c6|11,r0c7r1c7|8,r0c8r1c8|10,r2c1r2c2|0,r1c3r1c4r1c5r2c3r2c4r2c5|12,r2c6r2c7|0,r2c0r3c0|13,r2c8r3c8|25,r3c1r4c0r4c1r5c0r5c1|14,r3c2r4c2|25,r3c3r3c4r3c5r4c3r4c5|13,r3c6r4c6|0,r3c7r4c7r4c8r5c7r5c8|0,r5c2r5c3r6c2r7c2|8,r4c4r5c4|0,r5c5r5c6r6c6r7c6|13,r6c3r6c4r6c5|0,r6c0r7c0r8c0|17,r6c1r7c1|0,r6c7r7c7|20,r6c8r7c8r8c8|7,r8c1r8c2|0,r7c3r8c3|0,r7c4r8c4|0,r7c5r8c5|8,r8c6r8c7", "solution": "257894136319576482864213759536921874428637591971458263695742318182365947743189625", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7946, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7945, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2013-10-11", "puzzle": 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"9,r0c2r0c3|21,r0c0r0c1r1c0r2c0|10,r0c4r1c4|17,r0c5r1c5|34,r0c6r0c7r0c8r1c7r1c8r2c8|18,r1c1r1c2r1c3r2c1r2c2|20,r1c6r2c5r2c6r2c7r3c6|20,r3c0r3c1r4c1r5c1|15,r2c3r3c3|17,r2c4r3c4r3c5r4c5r4c6|11,r3c7r3c8|10,r3c2r4c2|24,r4c3r4c4r5c3r5c4|5,r4c7r4c8|11,r4c0r5c0|15,r5c5r5c6|12,r5c8r6c8|39,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|19,r5c2r6c2r6c3|15,r6c4r6c5|15,r7c3r7c4r7c5r8c5|24,r5c7r6c6r6c7r7c6r7c7|6,r8c3r8c4|18,r7c8r8c6r8c7r8c8", "solution": "137268549865149237942735186379812465681594723524376918216987354493651872758423691", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7959, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7958, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2013-10-14", "puzzle": 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"12,r0c1r0c2r0c3|9,r0c4r0c5r0c6|26,r0c7r0c8r1c7r1c8|10,r0c0r1c0|21,r1c1r1c2r1c3|10,r2c0r2c1|27,r1c4r1c5r2c3r2c4r2c5|9,r1c6r2c6r2c7|10,r3c0r3c1|8,r2c2r3c2|30,r3c3r3c4r3c5r4c5r5c5|14,r2c8r3c8r4c8|15,r4c0r4c1|6,r4c3r4c4r5c4|26,r3c6r3c7r4c6r4c7r5c6|13,r5c0r5c1r6c1|27,r4c2r5c2r5c3r6c2r6c3r6c4|9,r6c5r6c6|16,r5c7r6c7r7c7|15,r5c8r6c8r7c8|28,r6c0r7c0r7c1r8c0r8c1r8c2|19,r7c2r7c3r8c3|12,r7c4r8c4|13,r7c5r8c5|10,r7c6r8c6|10,r8c7r8c8", "solution": "851643279279581346643279158195764832786325914432918567964152783317896425528437691", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7960, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7962, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-10-14", "puzzle": 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"14,r0c3r0c4r0c5|22,r0c7r0c8r1c8|0,r0c0r1c0|0,r0c1r1c1|0,r0c2r1c2|0,r1c3r1c4r1c5|9,r2c1r3c1|13,r2c4r3c4|23,r0c6r1c6r1c7r2c6r2c7r2c8|13,r2c0r3c0|0,r2c2r3c2|0,r2c3r3c3|0,r2c5r3c5r3c6|0,r4c0r4c1r4c2|0,r4c5r4c6|0,r3c7r4c7r5c7|15,r3c8r4c8r5c8|13,r5c2r6c2r6c3|20,r4c3r4c4r5c3r5c4|0,r5c5r5c6|4,r5c0r6c0|0,r5c1r6c1|13,r6c5r6c6|3,r6c7r6c8|0,r7c0r7c1r8c0r8c1|15,r7c2r7c3|14,r6c4r7c4r8c4|10,r7c5r7c6|12,r7c7r7c8|10,r8c2r8c3|12,r8c5r8c6|9,r8c7r8c8", "solution": "429761358681532479537498162863145297754829613192376845375684921216953784948217536", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7971, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7972, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-10-16", "puzzle": 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"9,r0c0r0c1|10,r0c2r0c3|13,r0c4r0c5r1c5|15,r0c6r0c7r0c8|13,r1c0r1c1r1c2|16,r1c3r1c4|14,r1c6r1c7r1c8|3,r2c2r2c3|18,r2c4r2c5r2c6|10,r2c7r2c8|22,r2c0r2c1r3c0|7,r3c2r3c3|15,r3c6r3c7r4c6|12,r4c0r5c0|11,r3c1r4c1|11,r4c3r5c3|23,r3c4r4c4r5c4|4,r3c5r4c5|11,r4c7r5c7|6,r3c8r4c8|9,r4c2r5c1r5c2|9,r5c5r5c6|17,r5c8r6c7r6c8|9,r6c0r6c1|16,r6c2r6c3r6c4|12,r6c5r6c6|15,r7c0r7c1r7c2|8,r7c4r7c5|16,r7c6r7c7r7c8|12,r8c0r8c1r8c2|17,r7c3r8c3r8c4|14,r8c5r8c6|8,r8c7r8c8", "solution": "187356942463972158592148673845293761976481235321765489639524817258617394714839526", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7973, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7974, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2013-10-17", "puzzle": 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"13,r0c3r0c4r0c5|0,r0c0r0c1r0c2r1c0|0,r1c1r1c2r2c1|0,r1c3r1c4r1c5|13,r1c6r1c7r2c7|20,r0c6r0c7r0c8r1c8|0,r2c0r3c0r3c1|0,r2c2r3c2|0,r2c3r3c3|7,r2c5r3c5|6,r2c6r3c6|21,r2c8r3c7r3c8|18,r4c2r4c3r5c3|0,r2c4r3c4r4c4r5c4|13,r4c5r4c6r5c5|5,r4c0r5c0|0,r4c1r5c1r5c2|14,r4c7r5c6r5c7|9,r4c8r5c8|16,r6c3r6c4r6c5|11,r6c0r7c0r8c0|0,r6c1r7c1r8c1|0,r6c2r7c2|0,r6c6r7c6|18,r6c7r7c7r8c7|8,r6c8r7c8r8c8|0,r7c3r7c4r7c5r8c2r8c3r8c4r8c5r8c6", "solution": "574319268861572394923864517782643159139285746456791823298457631347126985615938472", "extra": "{\"grid_size\": 9, \"puzzle_number\": 7991, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 7992, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-10-20", "puzzle": 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"22,r0c2r0c3r1c3|13,r0c0r0c1r1c0|4,r1c1r2c1|6,r0c4r0c5r1c4|17,r0c6r1c6|5,r0c7r1c7|13,r0c8r1c8|15,r1c2r2c2r3c2|18,r1c5r2c4r2c5|10,r2c6r2c7r2c8|24,r2c0r3c0r3c1|15,r2c3r3c3r4c3|11,r3c6r3c7|9,r4c0r5c0r6c0|15,r4c1r5c1|17,r3c4r4c4|4,r3c5r4c5|7,r3c8r4c8|3,r4c2r5c2|16,r5c3r5c4r5c5|8,r4c6r5c6|19,r4c7r5c7r5c8|10,r6c3r6c4|16,r6c6r6c7r6c8|15,r6c1r7c1r8c1|24,r6c2r7c2r7c3|15,r6c5r7c4r7c5|10,r7c0r8c0|4,r8c2r8c3|11,r8c4r8c5|7,r7c6r8c6|16,r7c7r8c7|6,r7c8r8c8", "solution": "748532916235916847916748532874291653591683724362457189159374268427865391683129475", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8013, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8014, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2013-10-25", "puzzle": 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"9,r0c1r0c2r0c3|17,r0c4r0c5|20,r0c0r1c0r1c1|21,r1c2r1c3r2c3r3c3|7,r1c4r1c5|22,r0c6r0c7r0c8r1c8r2c8|8,r2c1r2c2|3,r2c4r2c5|23,r1c6r1c7r2c6r2c7|21,r2c0r3c0r4c0r5c0r6c0|9,r3c1r3c2|25,r3c4r3c5r4c4r4c5|7,r3c6r4c6|12,r3c7r4c7|12,r3c8r4c8|14,r4c1r5c1|16,r4c2r5c2|12,r4c3r5c3r5c4|11,r5c5r5c6r5c7r6c7|11,r6c1r6c2r7c2|14,r6c3r6c4|10,r6c5r7c5|9,r6c6r7c6|19,r5c8r6c8r7c8|10,r7c3r7c4|23,r7c0r7c1r8c0r8c1|23,r8c2r8c3r8c4r8c5r8c6|17,r7c7r8c7r8c8", "solution": "412689735976543281853712946245391678369278154187465329728956413631824597594137862", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8034, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8033, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2013-10-29", "puzzle": "10,r0c5r0c6|11,r0c0r1c0|19,r0c1r0c2r1c1|18,r0c3r1c2r1c3|6,r0c4r1c4|7,r1c5r1c6r2c5|14,r0c7r1c7|7,r0c8r1c8|13,r2c7r2c8|12,r2c0r3c0r4c0|20,r2c1r2c2r3c1|10,r3c2r4c2r5c2|19,r2c3r2c4r3c3|7,r3c4r3c5|8,r2c6r3c6|10,r4c3r4c4|11,r3c7r4c7|4,r3c8r4c8|9,r4c1r5c1|22,r4c5r4c6r5c5|15,r5c0r6c0|11,r6c1r6c2|15,r5c3r5c4r6c3|7,r6c4r6c5|15,r5c6r5c7r6c6|15,r5c8r6c7r6c8|12,r7c0r7c1|12,r7c4r7c5|3,r8c0r8c1|10,r7c2r8c2|4,r7c3r8c3|15,r8c4r8c5|10,r7c6r8c6|8,r7c7r8c7|16,r7c8r8c8", "solution": "429613785783954162165872394892461573357289641641537928938725416576148239214396857", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8033, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8035, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2013-10-29", "puzzle": "8,r0c0r0c1|34,r0c2r0c3r0c4r0c5r0c6|3,r0c7r0c8|10,r1c1r1c2r1c3|20,r1c5r1c6r1c7|9,r1c0r2c0|15,r2c1r2c2|7,r1c4r2c4|11,r2c6r2c7|11,r1c8r2c8|14,r2c3r3c3|6,r2c5r3c5|6,r3c0r4c0|16,r3c1r3c2r4c1|18,r4c2r4c3r5c2r5c3|7,r3c4r4c4|13,r4c5r4c6r5c5r5c6|15,r3c6r3c7r4c7|15,r3c8r4c8|11,r5c0r6c0|21,r5c1r6c1r6c2|24,r5c4r6c3r6c4r6c5r7c4|19,r5c7r6c6r6c7|10,r5c8r6c8|13,r7c1r7c2r7c3r8c2|17,r7c5r7c6r7c7r8c6|19,r7c0r8c0r8c1|17,r8c3r8c4r8c5|16,r7c8r8c7r8c8", "solution": "354798621872136594169542837287914356415863279693257148548371962926485713731629485", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8035, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8036, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-10-29", "puzzle": 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"20,r0c3r0c4r0c5|15,r0c6r0c7|10,r0c0r0c1r1c0|13,r0c2r1c2r1c3|8,r1c4r1c5|7,r1c6r1c7|10,r0c8r1c8|15,r1c1r2c1|16,r2c3r2c4r2c5|13,r2c6r2c7r2c8|16,r2c0r3c0r3c1|7,r2c2r3c2|16,r3c3r3c4|7,r4c0r4c1|9,r4c3r4c4|11,r3c5r3c6r4c5|11,r3c7r4c7|14,r3c8r4c8r5c8|7,r4c2r5c2|13,r5c3r5c4r5c5|8,r4c6r5c6|16,r5c0r6c0|19,r5c1r6c1r6c2|14,r6c3r6c4|3,r6c5r6c6|13,r5c7r6c7|14,r6c8r7c8r8c8|6,r7c2r7c3|20,r7c4r7c5r7c6|10,r7c7r8c7|12,r7c0r7c1r8c0|14,r8c1r8c2r8c3|18,r8c4r8c5r8c6", "solution": "413578962579126348286943517861795423345812796792364185937681254654239871128457639", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8253, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8254, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2013-12-12", "puzzle": 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"16,r0c1r0c2r0c3|9,r0c4r0c5|13,r0c0r1c0|24,r1c1r1c2r1c3r2c1r2c2|3,r1c4r1c5|28,r0c6r0c7r0c8r1c6r1c7r1c8|26,r2c3r2c4r2c5r2c6|13,r2c7r2c8|27,r2c0r3c0r3c1r3c2r4c1r4c2|17,r3c3r3c4r4c3|12,r3c5r3c6|16,r3c7r3c8r4c8|8,r4c6r4c7|22,r4c0r5c0r5c1r5c2r6c2|5,r4c4r5c4|9,r4c5r5c5|9,r5c3r6c3|17,r5c6r6c6|32,r5c7r5c8r6c7r6c8r7c8r8c8|10,r6c0r7c0|16,r6c1r7c1r7c2|40,r6c4r6c5r7c4r7c5r7c6r8c4r8c5|10,r8c0r8c1|15,r7c3r8c2r8c3|8,r7c7r8c6r8c7", "solution": "867354192549821736312967458156289347984713265273546981621435879495178623738692514", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8259, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8258, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2013-12-13", "puzzle": "5,r0c1r0c2|12,r0c3r0c4|15,r0c5r0c6|20,r0c0r1c0r1c1|10,r1c3r1c4|9,r1c5r1c6|9,r0c7r1c7|6,r0c8r1c8|7,r2c0r2c1|13,r1c2r2c2|7,r2c3r2c4|14,r2c5r2c6r2c7|11,r3c1r3c2|7,r3c3r3c4r3c5|11,r3c0r4c0|10,r4c1r4c2|4,r3c6r4c6|17,r3c7r4c7|19,r2c8r3c8r4c8|12,r5c0r5c1|14,r4c3r4c4r5c3|24,r4c5r5c4r5c5|8,r5c7r5c8|18,r5c2r6c2r6c3|4,r6c4r6c5|7,r5c6r6c6|11,r6c7r6c8|7,r6c0r7c0|8,r6c1r7c1|8,r7c2r7c3|13,r7c4r7c5|15,r8c0r8c1|12,r8c2r8c3|6,r8c4r8c5|15,r7c6r8c6|5,r7c7r8c7|12,r7c8r8c8", "solution": "523846971784193625169257438956412387237568194841379562478931256312685749695724813", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8258, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8260, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2013-12-13", "puzzle": "23,r0c3r0c4r0c5r0c6r1c4|21,r0c0r1c0r2c0r2c1|17,r0c1r0c2r1c1|24,r0c7r0c8r1c7r1c8|10,r1c2r2c2r3c2|18,r1c3r2c3r3c3|10,r1c5r2c5|17,r1c6r2c6r2c7|30,r2c4r3c4r3c5r4c4r4c5r4c6|11,r3c6r3c7|21,r2c8r3c8r4c7r4c8r5c8|13,r3c0r4c0|11,r3c1r4c1|11,r4c2r5c2|6,r4c3r5c3r5c4|20,r5c5r5c6r5c7|15,r5c0r6c0|8,r6c3r6c4|10,r6c5r6c6r6c7|23,r5c1r6c1r6c2r7c2r7c3|12,r7c4r7c5|20,r6c8r7c7r7c8|13,r7c0r7c1r8c0r8c1|14,r8c2r8c3|11,r8c4r8c5|16,r7c6r8c6r8c7r8c8", "solution": "754832196381796245296514873573648921842159367619327584937261458128475639465983712", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8260, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8261, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-12-13", "puzzle": 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"0,r0c2r0c3r1c3r2c3r2c4|12,r0c5r0c6|0,r0c0r0c1r1c0|10,r1c1r1c2r2c2|15,r0c4r1c4|0,r1c5r1c6|20,r0c7r0c8r1c7r1c8|15,r2c0r2c1r3c0|8,r2c7r2c8|9,r3c3r3c4|15,r2c5r2c6r3c5|0,r3c6r3c7r3c8r4c8|0,r3c1r4c1|0,r3c2r4c2|8,r4c0r5c0|0,r4c3r5c3|26,r4c4r4c5r4c6r4c7r5c4r5c5|9,r5c7r5c8|24,r5c1r5c2r6c1r6c2|0,r6c3r6c4r7c4|4,r6c5r7c5|10,r5c6r6c6|5,r6c7r6c8|23,r6c0r7c0r7c1r7c2r8c0|8,r8c1r8c2|0,r7c3r8c3|17,r8c4r8c5|32,r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "457189362931276548826354917518632479249817635673945281795461823184523796362798154", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8311, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8315, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2013-12-24", "puzzle": 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"8,r0c0r0c1r1c1|17,r0c2r0c3r0c4|14,r1c3r2c3r2c4|20,r0c5r1c4r1c5|12,r0c6r1c6|9,r0c7r1c7|15,r0c8r1c8r2c8|13,r1c0r2c0|15,r1c2r2c1r2c2|12,r2c5r2c6r2c7|15,r3c4r4c4|3,r3c0r4c0|17,r3c1r3c2r4c1|15,r3c3r4c2r4c3|9,r3c5r4c5|7,r3c6r4c6|7,r3c7r4c7|17,r3c8r4c8|19,r5c0r5c1r6c1|6,r5c2r5c3r6c2|15,r5c4r5c5r5c6|17,r6c3r6c4r6c5|17,r5c7r5c8r6c7|16,r6c0r7c0r8c0|18,r7c2r7c3r8c2|6,r7c4r7c5|5,r6c6r7c6|12,r6c8r7c8r8c8|13,r7c1r8c1|17,r8c3r8c4r8c5|19,r7c7r8c6r8c7", "solution": "419627385732485916658913724264791538175368249983254671521836497897542163346179852", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8313, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8314, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2013-12-24", "puzzle": "14,r0c2r0c3|7,r0c5r0c6|21,r0c7r0c8r1c8r2c8|29,r0c0r0c1r1c0r1c1r2c0r2c1r3c0|31,r0c4r1c2r1c3r1c4r2c2|41,r2c3r2c4r3c4r4c4r5c4r6c4r6c5|13,r1c5r1c6r2c5|13,r1c7r2c7|8,r3c1r3c2|9,r2c6r3c6|11,r4c0r5c0|20,r4c1r4c2r5c1|14,r3c3r4c3r5c3|12,r3c5r4c5r5c5|16,r3c7r4c6r4c7|7,r3c8r4c8|3,r5c2r6c2|9,r5c6r5c7|6,r6c1r7c1|8,r6c3r7c2r7c3|29,r6c6r7c4r7c5r7c6r8c4|34,r5c8r6c7r6c8r7c7r7c8r8c7r8c8|26,r6c0r7c0r8c0r8c1|10,r8c2r8c3|14,r8c5r8c6", "solution": "185963472437812659269745183526397841874521396391684725712456938953178264648239517", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8314, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8316, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2013-12-24", "puzzle": "12,r0c5r0c6|0,r0c7r0c8r1c7r1c8|17,r0c0r1c0|11,r0c1r0c2r0c3r1c1|0,r1c2r1c3|0,r0c4r1c4|14,r1c5r1c6|15,r2c0r2c1r2c2|0,r2c3r2c4|0,r2c5r2c6r3c6|0,r2c7r3c7|7,r2c8r3c8|8,r3c0r3c1|0,r3c4r3c5r4c4r4c5|17,r4c0r4c1r5c0|23,r3c2r3c3r4c2r4c3|6,r4c6r5c6|0,r4c7r4c8|39,r5c1r5c2r5c3r6c1r6c2r6c3r7c2r7c3|0,r5c7r6c7|30,r5c4r5c5r6c4r6c5|18,r7c4r8c3r8c4|11,r6c6r7c6r8c6|18,r5c8r6c8r7c7r7c8|23,r6c0r7c0r7c1r8c0r8c1r8c2|10,r7c5r8c5|15,r8c7r8c8", "solution": "953274816814635927627891435538416792796523184142789563385167249279348651461952378", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8316, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8312, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2013-12-23", "puzzle": "20,r0c2r0c3r1c3r2c3|4,r0c0r1c0|0,r0c1r1c1|17,r0c4r1c4|0,r0c5r0c6r1c5|0,r0c7r0c8r1c7|0,r1c2r2c2|9,r2c4r2c5r3c4|16,r1c6r2c6|0,r1c8r2c8|0,r2c0r3c0|17,r2c1r3c1|25,r3c2r3c3r4c2r5c2r5c3|0,r2c7r3c7|14,r4c0r4c1|8,r4c3r4c4|34,r3c8r4c6r4c7r4c8r5c8|0,r5c0r6c0|3,r5c1r6c1|0,r3c5r3c6r4c5r5c5r5c6|0,r5c7r6c7|0,r6c2r7c2|14,r5c4r6c4r6c5|0,r6c6r7c6|11,r6c8r7c8|0,r7c0r8c0|0,r7c1r8c1|0,r7c4r8c4|16,r7c5r8c5r8c6|10,r7c7r8c7r8c8|24,r6c3r7c3r8c2r8c3", "solution": "378695241145287963296431758684953127953172684721846539517328496432769815869514372", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8312, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8317, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2013-12-24", "puzzle": "6,r0c0r0c1|0,r0c3r0c4|19,r0c6r0c7r1c6|11,r1c0r1c1|16,r0c2r1c2|0,r1c3r1c4|15,r0c5r1c5|0,r0c8r1c7r1c8|6,r2c0r2c1|35,r2c2r2c3r2c4r2c5r2c6r3c5|6,r2c7r2c8|12,r3c1r4c1|0,r3c7r3c8|0,r3c0r4c0|0,r3c2r3c3r4c2|10,r3c4r4c4|13,r3c6r4c6|12,r4c7r4c8|0,r5c0r5c1|0,r4c3r5c2r5c3r5c4|14,r4c5r5c5r6c5|0,r5c6r5c7|0,r6c0r6c1|0,r6c3r6c4|0,r5c8r6c8r7c8|20,r7c0r7c1r8c0r8c1|0,r6c2r7c2r7c3r8c2|10,r7c4r7c5r8c5r8c6|0,r6c6r7c6|0,r8c3r8c4|24,r6c7r7c7r8c7r8c8", "solution": "427159863839246517516837942354692781278415639691378254783961425165724398942583176", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8317, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8318, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2013-12-25", "puzzle": 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"7,r0c1r0c2|11,r0c6r0c7|13,r0c0r1c0r2c0|8,r0c3r1c3|17,r0c4r1c4|11,r0c5r1c5|10,r0c8r1c8r2c8|17,r1c1r1c2r2c1|9,r2c2r2c3|6,r2c5r2c6|20,r1c6r1c7r2c7|21,r3c0r3c1r3c2|11,r2c4r3c4r4c4|9,r3c6r3c7r3c8|10,r4c0r4c1r4c2|10,r3c3r4c3|15,r3c5r4c5|20,r4c6r4c7r4c8|13,r5c0r5c1|8,r5c2r5c3|13,r5c5r5c6|8,r5c7r5c8|12,r6c0r6c1r7c0|13,r6c2r6c3|10,r5c4r6c4|8,r6c5r6c6|18,r6c7r6c8r7c8|11,r8c0r8c1|13,r7c1r7c2r8c2|15,r7c3r8c3|7,r7c4r8c4|9,r7c5r8c5|16,r7c6r7c7r8c6|6,r8c7r8c8", "solution": "134587296562394781798162453876249135253816947941735862629473518415628379387951624", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8333, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8331, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2013-12-27", "puzzle": 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"3,r0c3r0c4|13,r0c5r0c6r1c6|16,r0c0r0c1r1c0|14,r0c2r1c1r1c2|16,r1c3r1c4r1c5|17,r0c7r1c7|11,r0c8r1c8|6,r2c1r2c2|13,r2c3r2c4|24,r2c0r3c0r3c1|10,r3c2r3c3|10,r2c5r3c5|9,r2c6r3c6|12,r2c7r2c8r3c7|3,r4c0r5c0|15,r4c1r4c2r4c3|15,r3c4r4c4r5c4|14,r4c5r4c6r4c7|11,r3c8r4c8|23,r5c1r6c0r6c1|7,r5c2r6c2|12,r5c3r6c3|16,r5c5r5c6|10,r5c7r5c8r6c8|12,r6c4r6c5|3,r6c6r6c7|9,r7c0r8c0|3,r7c1r8c1|16,r7c3r7c4r7c5|16,r7c6r7c7r8c6|20,r7c8r8c7r8c8|22,r7c2r8c2r8c3|4,r8c4r8c5", "solution": "378216594651394287942587361789143652135762849264859713893475126417628935526931478", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8423, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8424, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2014-01-15", "puzzle": 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"20,r0c2r0c3r0c4|21,r0c7r0c8r1c7r1c8|14,r0c0r1c0|13,r0c1r1c1r1c2r1c3|14,r0c5r1c4r1c5|8,r0c6r1c6|8,r2c0r2c1|17,r2c2r2c3r2c4|11,r2c7r2c8|8,r3c0r3c1|8,r3c2r3c3r4c3|18,r3c4r4c4r4c5|26,r2c5r2c6r3c5r3c6|12,r3c7r3c8r4c7|13,r4c1r4c2|27,r4c0r5c0r5c1r6c0r6c1|9,r5c4r5c5r6c5|15,r4c8r5c8r6c8|28,r5c2r5c3r6c2r6c3|11,r6c4r7c4|11,r4c6r5c6r6c6|18,r7c0r7c1r8c0r8c1|4,r7c5r8c5|13,r7c6r8c6|23,r5c7r6c7r7c7r7c8|27,r7c2r7c3r8c2r8c3r8c4|8,r8c7r8c8", "solution": "528397164946125783713684592261539847394278615857416239479862351632951478185743926", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8430, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8431, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-01-16", "puzzle": 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"11,r0c6r0c7|8,r0c0r1c0|10,r0c1r1c1|15,r0c2r1c2|12,r0c3r0c4r1c3|8,r1c4r2c4|17,r0c5r1c5r2c5|13,r1c6r1c7|11,r0c8r1c8r2c8|19,r2c1r2c2r3c2|9,r2c3r3c3|10,r2c0r3c0r4c0|12,r2c6r2c7r3c6|8,r3c1r4c1|19,r3c4r3c5r4c4|21,r4c5r4c6r4c7|15,r3c7r3c8r4c8|12,r4c2r5c2r6c2|12,r4c3r5c3|6,r5c4r5c5|7,r5c7r5c8|17,r5c0r5c1r6c0|13,r6c1r7c1r7c2|16,r6c3r6c4|19,r5c6r6c5r6c6|13,r7c0r8c0|15,r7c3r7c4r8c3|6,r6c7r6c8r7c7|16,r7c8r8c8|10,r8c1r8c2|10,r7c5r8c4r8c5|15,r7c6r8c6r8c7", "solution": "517629384398415672246873195769158243124367958835942716653794821471286539982531467", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8433, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8434, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-01-17", "puzzle": 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"16,r0c1r0c2r1c2|12,r0c6r0c7|13,r0c0r1c0r1c1|22,r0c3r1c3r2c3|13,r0c4r1c4r2c4|5,r0c5r1c5|12,r1c6r1c7|11,r0c8r1c8|12,r2c0r2c1|5,r2c2r3c2|9,r2c6r2c7|9,r3c0r3c1r4c0|12,r3c3r3c4|13,r2c5r3c5|10,r2c8r3c8|15,r4c1r5c1|13,r4c2r5c2|14,r4c3r4c4r4c5|13,r3c6r4c6|7,r3c7r4c7|11,r5c0r6c0|5,r5c3r6c3|9,r5c4r5c5|12,r4c8r5c7r5c8|14,r6c1r6c2|5,r5c6r6c6|10,r6c7r6c8|14,r7c0r8c0|9,r7c1r7c2|12,r7c3r8c3|13,r6c4r7c4r8c4|17,r6c5r7c5r8c5|20,r7c7r7c8r8c8|4,r8c1r8c2|14,r7c6r8c6r8c7", "solution": "186742935572913846934685271341578629268194753795236418459367182627851394813429567", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8468, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8469, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-01-24", "puzzle": 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"20,r0c2r0c3r0c4r1c4|15,r0c6r0c7|15,r0c0r0c1r1c0r1c1|9,r1c2r1c3|14,r0c5r1c5|16,r1c6r1c7r2c7|7,r0c8r1c8|9,r2c4r2c5r2c6|22,r2c0r3c0r4c0r4c1|11,r2c1r3c1|38,r2c2r2c3r3c2r3c3r3c4r4c3r4c4|9,r3c5r3c6|16,r2c8r3c7r3c8r4c8|19,r4c6r4c7r5c6|17,r5c0r5c1|9,r4c2r5c2r6c2|15,r4c5r5c4r5c5|8,r5c7r5c8|5,r5c3r6c3|18,r6c4r6c5r7c4|28,r6c6r6c7r6c8r7c6r8c6|9,r6c0r7c0|11,r6c1r7c1r7c2|13,r8c0r8c1|28,r7c3r8c2r8c3r8c4|7,r7c5r8c5|17,r7c7r7c8r8c7r8c8", "solution": "152946873367258194984731562236895417745312986891467235523179648418623759679584321", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8475, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8476, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2014-01-25", "puzzle": 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"14,r0c4r0c5|6,r0c6r0c7r0c8|8,r0c0r1c0|8,r0c1r1c1|15,r0c2r0c3r1c2|16,r1c3r1c4|14,r2c0r2c1|9,r2c2r2c3r2c4|6,r1c5r2c5|11,r1c6r2c6|23,r1c7r1c8r2c7|14,r3c2r3c3|20,r3c4r3c5r3c6|8,r2c8r3c8|7,r3c0r3c1r4c0|17,r4c1r4c2r5c1|8,r4c3r4c4r4c5|19,r3c7r4c6r4c7|13,r4c8r5c7r5c8|16,r5c0r6c0|23,r5c2r5c3r5c4|4,r5c5r5c6|13,r6c1r7c0r7c1|8,r6c2r7c2|13,r6c3r7c3|15,r6c4r6c5r6c6|11,r6c7r6c8|6,r7c4r7c5|20,r7c6r8c5r8c6|8,r7c7r8c7|13,r7c8r8c8|15,r8c0r8c1r8c2|4,r8c3r8c4", "solution": "579468321312795486864231795128647953493152867756983142941576238637824519285319674", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8518, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8519, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-02-03", "puzzle": 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"10,r0c5r0c6|10,r0c0r1c0r2c0|14,r0c1r1c1|0,r0c2r0c3r0c4r1c2r1c3r2c2|12,r1c4r1c5|0,r0c7r0c8r1c7r1c8|0,r1c6r2c5r2c6r3c5r3c6r3c7|0,r2c7r2c8|26,r2c1r3c1r3c2r4c1r4c2r5c1|0,r2c3r2c4r3c3r4c3|13,r3c0r4c0|0,r3c4r4c4r4c5r5c4r5c5|0,r4c6r4c7|15,r3c8r4c8|8,r5c2r5c3|12,r5c0r6c0|10,r6c2r6c3|16,r6c4r6c5r7c5|0,r5c6r6c6|11,r5c7r6c7r7c7|9,r5c8r6c8|16,r6c1r7c0r7c1r8c0|7,r7c2r7c3|17,r8c1r8c2r8c3|0,r7c4r8c4r8c5|18,r7c6r8c6r8c7|8,r7c8r8c8", "solution": "289174653165893472734625198841567239572931846396248715917386524653412987428759361", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8531, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8533, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-02-06", "puzzle": 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"12,r0c2r0c3r0c4|8,r0c0r1c0|27,r0c1r1c1r1c2r1c3r2c2|11,r0c5r1c5|0,r0c6r0c7r1c7|14,r0c8r1c8|11,r2c0r2c1|17,r1c4r2c3r2c4|0,r1c6r2c6r3c6r4c6|4,r2c7r2c8|24,r3c1r3c2r4c2|16,r3c3r3c4r4c3|0,r2c5r3c5r4c5|0,r3c0r4c0|10,r3c7r4c7|0,r3c8r4c8|0,r4c1r5c1|0,r4c4r5c4|17,r5c7r5c8|17,r5c0r6c0r7c0|0,r5c2r6c2|4,r5c3r6c3|14,r5c5r5c6r6c5|0,r6c1r7c1|0,r7c2r7c3r8c2r8c3|0,r6c4r7c4r7c5|0,r6c6r6c7r7c6|0,r6c8r7c8|14,r8c0r8c1|0,r8c4r8c5r8c6|0,r7c7r8c7r8c8", "solution": "736512948184739256295684713679258431318946572542173689461395827823467195957821364", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8622, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8623, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-02-24", "puzzle": 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"16,r0c0r0c1|18,r0c2r0c3r0c4r0c5|5,r0c6r0c7|13,r1c0r1c1r2c0|13,r1c3r1c4r2c4|0,r1c5r1c6|24,r0c8r1c7r1c8r2c8|0,r1c2r2c2|0,r2c5r2c6|0,r2c1r3c0r3c1r3c2r4c2|0,r2c3r3c3|0,r3c4r3c5|16,r2c7r3c7|14,r4c0r4c1|0,r3c6r4c6|0,r3c8r4c7r4c8|0,r5c1r5c2|25,r4c3r4c4r4c5r5c3r5c4r5c5|0,r5c6r5c7|0,r5c0r6c0|0,r6c1r6c2r6c3r6c4|0,r5c8r6c8|0,r7c0r7c1r8c0r8c1|0,r7c2r7c3|7,r6c5r7c5|11,r6c6r7c6r8c6|0,r6c7r7c7r7c8|0,r8c2r8c3|19,r7c4r8c4r8c5|9,r8c7r8c8", "solution": "793528416654917238281436597412893675865271943379654821547382169936145782128769354", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8627, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8628, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2014-02-25", "puzzle": "8,r0c2r0c3|6,r0c0r1c0|17,r0c1r1c1r1c2|17,r0c4r1c4|12,r0c5r1c5|13,r0c6r1c6|7,r0c7r1c7|4,r0c8r1c8|14,r2c1r2c2|13,r1c3r2c3r2c4|9,r2c5r2c6|8,r2c0r3c0r3c1|11,r3c3r4c3|12,r3c5r3c6|13,r2c7r3c7|14,r2c8r3c8|17,r4c0r4c1|7,r3c2r4c2|13,r3c4r4c4r5c4|5,r4c6r5c6|6,r4c7r4c8|10,r5c0r6c0|5,r5c1r6c1|14,r5c2r5c3|9,r4c5r5c5|15,r5c7r5c8r6c8|12,r6c2r6c3|23,r6c4r6c5r7c5|9,r6c6r6c7|15,r7c0r8c0|15,r7c1r8c1|3,r7c2r8c2|9,r7c3r8c3|5,r7c4r8c4|18,r7c6r7c7r8c7|11,r7c8r8c8|6,r8c5r8c6", "solution": "467185923238697451159342768523914876894276315716853249345769182971528634682431597", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8628, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8629, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-02-25", "puzzle": 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"12,r0c0r0c1r0c2|22,r0c3r0c4r0c5|21,r1c0r1c1r1c2|23,r0c6r1c6r2c6|6,r0c7r1c7|11,r0c8r1c8r2c8|10,r2c0r2c1|13,r1c3r2c3|5,r1c4r2c4|5,r1c5r2c5|17,r3c0r3c1|9,r2c2r3c2|8,r2c7r3c7|9,r4c0r4c1r5c0|11,r3c3r4c3|13,r3c4r3c5r4c4|16,r4c5r5c5r5c6|3,r3c6r4c6|22,r3c8r4c7r4c8|12,r4c2r5c1r5c2|10,r5c7r5c8|8,r6c0r6c1r6c2|9,r5c3r6c3|19,r7c0r7c1r8c0|24,r5c4r6c4r7c4|13,r6c5r7c5|17,r6c6r6c7r7c6|15,r6c8r7c7r7c8|18,r7c2r8c1r8c2|3,r7c3r8c3|12,r8c4r8c5r8c6|9,r8c7r8c8", "solution": "354967821678512943192843657987426135436751289215398764521674398743289516869135472", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8633, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8634, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-02-26", "puzzle": 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"13,r0c1r0c2|11,r0c5r0c6|0,r0c7r0c8r1c7r1c8|0,r0c0r1c0|19,r0c3r0c4r1c3r1c4r2c4|13,r1c5r1c6|0,r1c1r1c2r2c0r2c1|0,r2c5r2c6r3c6|6,r2c7r3c7|10,r2c8r3c8|0,r3c0r3c1|20,r2c2r3c2r4c2|0,r3c4r3c5r4c4r4c5|9,r4c0r4c1|0,r5c1r5c2|36,r2c3r3c3r4c3r5c3r5c4r5c5r5c6|0,r4c6r4c7r4c8r5c7r5c8|11,r5c0r6c0|16,r6c3r7c3|10,r6c4r6c5r6c6|8,r6c8r7c8|13,r6c1r6c2r7c1r7c2|3,r7c4r8c4|24,r6c7r7c6r7c7r8c6|19,r7c0r8c0r8c1|0,r8c2r8c3|0,r7c5r8c5|0,r8c7r8c8", "solution": "367159248914278563528346719673482951189537624452691837745963182831725496296814375", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8636, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8638, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2014-02-27", "puzzle": 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"15,r0c0r0c1r0c2|17,r0c4r0c5r1c4r1c5|15,r0c6r0c7|11,r0c3r1c3|11,r1c6r1c7|10,r0c8r1c8r2c8r3c8|31,r1c0r1c1r1c2r2c0r2c1r2c2r2c3|11,r2c6r2c7|13,r3c2r3c3|14,r2c4r3c4|11,r2c5r3c5|17,r3c6r3c7|19,r3c0r3c1r4c0r4c1|22,r4c2r4c3r4c4r4c5r4c6|16,r4c7r4c8r5c7r5c8|6,r5c1r5c2|12,r5c3r6c3|10,r5c4r6c4|9,r5c5r5c6|12,r6c1r6c2|39,r6c5r6c6r6c7r6c8r7c6r7c7r7c8|19,r5c0r6c0r7c0r8c0|11,r7c1r7c2|6,r7c5r8c5|8,r8c1r8c2|25,r7c3r7c4r8c3r8c4|15,r8c6r8c7r8c8", "solution": "951642783467538921283197564316754892879216435524983617748329156192465378635871249", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8640, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8639, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-02-27", "puzzle": 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"0,r0c0r0c1|12,r0c2r0c3|9,r0c5r0c6|0,r0c7r0c8|28,r1c1r1c2r1c3r2c1r2c2|4,r0c4r1c4|22,r1c5r1c6r1c7r2c6r2c7|12,r1c0r2c0|9,r1c8r2c8|22,r2c3r3c2r3c3|0,r2c4r3c4|0,r2c5r3c5r3c6|5,r3c0r4c0|9,r3c1r4c1|0,r3c7r4c7|0,r3c8r4c8|0,r4c2r5c2r6c2r6c3|6,r4c3r5c3|0,r4c4r5c4r6c4|7,r4c5r5c5|20,r4c6r5c6r6c5r6c6|27,r5c0r6c0r7c0r8c0|8,r5c1r6c1|0,r5c7r6c7|16,r5c8r6c8r7c8r8c8|7,r7c1r7c2|0,r7c3r7c4r7c5r8c3r8c4r8c5|0,r7c6r7c7|10,r8c1r8c2|11,r8c6r8c7", "solution": "164832795539617428782945361246753189358491276917286534873564912625179843491328657", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8701, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8703, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-03-12", "puzzle": 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"21,r0c0r0c1r0c2r0c3|26,r0c4r0c5r0c6r1c4r1c6|6,r1c2r1c3|7,r0c7r1c7|16,r0c8r1c8r2c8r3c8|12,r1c0r2c0|11,r1c1r2c1|14,r2c2r2c3|9,r1c5r2c5|14,r2c6r2c7|16,r3c0r3c1|15,r2c4r3c4r3c5|10,r4c0r4c1|23,r3c2r3c3r4c2r4c3r5c2r5c3|16,r4c4r4c5|10,r3c6r4c6r5c6|24,r3c7r4c7r4c8r5c7|8,r5c0r5c1|7,r5c4r5c5r6c4|7,r6c0r7c0|12,r6c1r7c1|12,r6c2r6c3|7,r6c5r7c5|12,r6c6r6c7|10,r7c2r7c3|7,r7c7r8c7|24,r5c8r6c8r7c8r8c8|18,r8c0r8c1r8c2r8c3|31,r7c4r7c6r8c4r8c5r8c6", "solution": "813954267594276813726813594971568342462397185358421679185742936649135728237689451", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8710, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8709, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2014-03-13", "puzzle": "19,r0c0r0c1r0c2r1c0|6,r0c4r0c5|6,r1c1r1c2|28,r0c3r1c3r1c4r1c5|7,r0c6r1c6|16,r0c7r1c7r2c7|22,r0c8r1c8r2c8r3c8r4c8|14,r2c0r2c1r3c0|16,r2c2r2c3|18,r2c4r3c3r3c4r4c3|11,r2c5r2c6r3c5|30,r3c6r3c7r4c7r5c7r5c8|25,r3c1r3c2r4c0r4c1r4c2|7,r4c5r4c6|12,r5c2r5c3r6c2|24,r4c4r5c4r6c4|11,r5c5r5c6|5,r5c0r6c0|10,r5c1r6c1|13,r6c7r6c8|7,r6c3r7c3|14,r6c5r7c4r7c5|27,r6c6r7c6r7c7r7c8r8c7r8c8|11,r7c0r8c0|25,r7c1r7c2r8c1r8c2|7,r8c3r8c4|14,r8c5r8c6", "solution": "713824659824965173659731842381452967592673481476198325135286794948517236267349518", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8709, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8708, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2014-03-13", "puzzle": "10,r0c1r0c2|18,r0c6r0c7r1c6|20,r0c0r1c0r1c1|3,r1c2r2c2|12,r0c3r1c3|11,r0c4r1c4|8,r0c5r1c5|4,r0c8r1c8|12,r2c0r2c1|9,r2c3r2c4r3c4|21,r2c5r2c6r3c5|19,r1c7r2c7r2c8|11,r3c2r3c3|16,r3c7r3c8|11,r3c0r4c0|9,r3c1r4c1|12,r4c2r5c2|13,r4c3r4c4r4c5|3,r3c6r4c6|11,r4c7r5c7|10,r4c8r5c8|8,r5c0r5c1|7,r5c5r5c6|7,r6c0r6c1r7c1|17,r5c3r6c2r6c3|18,r5c4r6c4r6c5|8,r6c7r6c8|11,r7c0r8c0|3,r7c3r8c3|15,r7c4r8c4|7,r7c5r8c5|11,r6c6r7c6|16,r7c7r7c8r8c8|24,r7c2r8c1r8c2|10,r8c6r8c7", "solution": "346857921892461753751329468235648179968715234174932586423596817617284395589173642", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8708, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8705, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-03-12", "puzzle": "12,r0c0r0c1|3,r0c4r0c5|29,r0c6r0c7r0c8r1c6r1c7|14,r1c0r1c1r2c0|7,r0c2r1c2|31,r0c3r1c3r1c4r1c5r2c4|12,r2c2r2c3r3c2|15,r2c5r2c6r2c7|31,r1c8r2c8r3c8r4c8r5c8r6c8r7c8|12,r2c1r3c1|4,r3c3r3c4|15,r3c5r3c6|13,r3c0r4c0r4c1r5c0|19,r4c2r4c3r4c4|27,r3c7r4c5r4c6r4c7r5c7|14,r5c1r6c1|9,r5c3r5c4|9,r5c5r5c6|17,r5c2r6c2r6c3|17,r6c5r6c6r6c7|17,r6c0r7c0r7c1|9,r7c2r8c2|31,r6c4r7c3r7c4r7c5r8c3|8,r8c0r8c1|7,r8c4r8c5|23,r7c6r7c7r8c6r8c7r8c8", "solution": "936712548821564397457398162572139684149286753368457219283641975695873421714925836", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8705, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8711, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-03-13", "puzzle": "38,r0c3r0c4r0c5r1c4r1c5r2c4|5,r0c6r0c7|0,r0c0r1c0r2c0|19,r0c1r0c2r1c1r1c2|0,r0c8r1c8|17,r2c1r2c2|5,r1c3r2c3|24,r1c6r1c7r2c6|0,r2c5r3c4r3c5r3c6|9,r2c7r3c7|13,r2c8r3c8|0,r3c0r3c1r4c0|7,r3c2r4c2|0,r3c3r4c3r5c3|0,r4c4r5c4|22,r4c5r4c6r4c7r4c8|4,r4c1r5c1|17,r5c5r5c6|6,r5c7r5c8|16,r5c0r6c0r6c1|5,r5c2r6c2|26,r6c3r6c4r7c3r7c4|22,r6c7r6c8r7c7r7c8|15,r6c5r6c6r7c5r7c6|23,r7c0r7c1r8c0r8c1|0,r7c2r8c2r8c3r8c4|0,r8c5r8c6|0,r8c7r8c8", "solution": "327986145546173892198452736982315467615749328734268951451697283269831574873524619", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8711, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8712, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-03-13", "puzzle": "14,r0c4r0c5r0c6|12,r0c7r0c8|27,r0c0r0c1r1c0r1c1|4,r0c2r1c2|0,r0c3r1c3|3,r1c6r1c7|6,r2c0r2c1|0,r1c4r1c5r2c4|19,r2c5r2c6r2c7|0,r1c8r2c8|0,r3c0r3c1|0,r2c2r2c3r3c2|15,r3c3r3c4r4c3|0,r3c5r3c6|20,r4c1r4c2r5c1|0,r4c4r4c5r5c4r5c5|11,r3c7r4c7|0,r3c8r4c8|0,r4c0r5c0r6c0|0,r4c6r5c6|17,r5c7r5c8|16,r5c2r6c2r7c2|0,r5c3r6c3|0,r6c4r6c5|0,r6c1r7c1|14,r7c3r7c4|0,r6c6r6c7r6c8r7c6r8c6|0,r7c0r8c0|11,r8c1r8c2|8,r8c3r8c4|0,r7c5r8c5|20,r7c7r7c8r8c7r8c8", "solution": "691342857573698124248157936762589341489231675135476298814925763327864519956713482", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8712, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8713, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-03-14", "puzzle": "19,r0c3r0c4r0c5|7,r0c0r1c0|13,r0c1r1c1|17,r0c2r1c2r1c3|7,r1c4r2c4|9,r0c6r1c5r1c6|12,r0c7r1c7|8,r0c8r1c8|11,r2c0r2c1|14,r2c7r2c8|14,r2c2r3c2r4c2|3,r2c3r3c3|15,r2c5r3c5|15,r2c6r3c6r4c6|10,r3c0r4c0r5c0|16,r3c1r4c1r5c1|11,r3c4r4c4|13,r3c7r4c7r5c7|15,r3c8r4c8r5c8|16,r4c3r5c3r6c3|20,r4c5r5c5r6c5|6,r6c1r7c1|13,r5c2r6c2|10,r5c4r6c4|13,r5c6r6c6|8,r6c7r7c7|15,r6c0r7c0|11,r6c8r7c8|12,r8c0r8c1|7,r7c2r8c2|12,r7c3r8c3|10,r7c4r8c4|3,r7c5r8c5|11,r7c6r8c6|9,r8c7r8c8", "solution": "659874231182653497473129586317286954564937128298415763745398612826541379931762845", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8713, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8715, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-03-14", "puzzle": 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"19,r0c1r0c2r0c3|13,r0c4r0c5r0c6|8,r0c0r1c0|14,r1c4r1c5|27,r0c7r0c8r1c6r1c7r1c8r2c7|22,r1c1r2c1r3c1r4c1r5c1|23,r1c2r2c2r3c2r4c2|12,r1c3r2c3|5,r2c0r3c0|14,r2c4r3c4|16,r2c5r2c6r3c5r3c6|17,r2c8r3c8r4c8|10,r4c5r4c6|11,r3c7r4c7|12,r4c0r5c0|19,r5c2r5c3r6c2r6c3|19,r3c3r4c3r4c4r5c4r5c5|5,r5c6r5c7|10,r6c0r6c1|28,r6c4r6c5r6c6r6c7|18,r5c8r6c8r7c8|7,r7c2r8c2|24,r7c3r7c4r7c5r7c6r7c7|24,r7c0r7c1r8c0r8c1|15,r8c3r8c4|8,r8c5r8c6|5,r8c7r8c8", "solution": "693741825245386971187952436412593768769418253538627149374169582851234697926875314", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8724, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8725, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-03-16", "puzzle": 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"13,r0c0r0c1r0c2|23,r0c3r0c4r0c5|6,r0c7r0c8|15,r1c0r1c1|6,r1c2r2c2|5,r1c4r1c5|10,r0c6r1c6|12,r1c3r2c3r2c4|9,r2c5r2c6|19,r1c7r1c8r2c7|17,r2c0r2c1r3c0|7,r3c1r3c2|17,r3c3r3c4|13,r2c8r3c7r3c8|16,r3c5r4c4r4c5|9,r3c6r4c6|12,r4c0r4c1r5c0|17,r4c2r5c2|8,r4c3r5c3r5c4|19,r5c5r5c6r6c5|13,r4c7r5c7|16,r4c8r5c8r6c8|13,r6c0r7c0|10,r6c2r6c3|6,r6c6r6c7|11,r5c1r6c1r7c1|15,r6c4r7c3r7c4|17,r7c6r7c7r7c8|11,r8c0r8c1|10,r7c2r8c2|7,r8c3r8c4|15,r7c5r8c5r8c6|8,r8c7r8c8", "solution": "427689351965341728381275496652897134149563872738124965813756249574912683296438517", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8728, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8726, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-03-16", "puzzle": 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"10,r0c1r0c2|15,r0c6r0c7|16,r0c0r1c0|14,r0c3r1c2r1c3|7,r0c4r1c4|15,r0c5r1c5r1c6|5,r0c8r1c8|10,r1c1r2c1|15,r2c3r2c4r2c5|10,r1c7r2c7|4,r2c0r3c0|11,r2c2r3c2|19,r3c3r3c4r3c5|16,r2c6r3c6|5,r2c8r3c8|8,r3c1r4c1|14,r4c3r4c4r4c5|14,r3c7r4c7|12,r4c0r5c0|18,r4c2r5c1r5c2|12,r5c3r5c4r5c5|6,r4c6r5c6r5c7|14,r4c8r5c8|11,r6c0r6c1r7c1|17,r6c3r6c4r6c5|16,r6c7r6c8r7c7|17,r6c2r7c2|13,r7c4r8c4|6,r6c6r7c6|14,r7c0r8c0r8c1|13,r7c3r8c2r8c3|11,r7c5r8c5r8c6|17,r7c8r8c7r8c8", "solution": "964531872721849563385726941136298754852374196497165328648917235219653487573482619", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8733, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8734, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-03-18", "puzzle": 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"28,r0c0r0c1r1c0r1c1r2c1|19,r0c2r0c3r0c4|25,r0c6r0c7r1c7r2c7r3c7|8,r0c5r1c5r1c6|21,r0c8r1c8r2c8|14,r1c2r1c3r2c2r2c3|26,r2c5r2c6r3c5r3c6|10,r2c0r3c0|19,r1c4r2c4r3c3r3c4|4,r3c2r4c2|20,r3c8r4c8r5c8r6c8|39,r4c3r4c4r4c5r4c6r4c7r5c5r6c5|14,r5c6r5c7r6c6r6c7|12,r5c1r6c1|16,r5c2r6c2|25,r5c3r5c4r6c3r6c4r7c3r7c4|33,r3c1r4c0r4c1r5c0r6c0r7c0|25,r7c1r7c2r8c2r8c3|12,r7c5r7c6|3,r8c0r8c1|13,r8c4r8c5|19,r7c7r7c8r8c6r8c7r8c8", "solution": "732981456185264397694357218423178965561493872879526134357812649948635721216749583", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8735, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8737, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-03-18", "puzzle": "9,r0c1r0c2|0,r0c3r0c4r1c3r1c4|7,r0c0r1c0|19,r1c1r1c2r2c2r3c2|0,r0c5r1c5|0,r0c6r0c7r0c8r1c7r1c8r2c8|14,r2c0r2c1|8,r2c4r2c5|0,r1c6r2c6r2c7|0,r3c0r3c1r4c0r4c1|9,r2c3r3c3|14,r3c4r3c5r4c4r4c5|7,r3c6r4c6|0,r3c7r3c8|0,r4c2r4c3|0,r4c7r4c8r5c7r5c8|9,r5c0r5c1|0,r5c5r5c6|0,r5c2r5c3r6c2r6c3|17,r5c4r6c4|12,r6c5r6c6r6c7r7c7|0,r6c8r7c8|13,r7c3r8c3|19,r7c4r7c5r8c4r8c5|15,r7c6r8c6|0,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|0,r8c7r8c8", "solution": "327469581419258376865317924574632198981745632632981457748193265296574813153826749", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8737, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8738, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2014-03-19", "puzzle": "4,r0c3r0c4|13,r0c0r1c0|11,r0c1r1c1r2c1|13,r0c2r1c2|9,r1c3r1c4|18,r0c5r1c5r2c5|22,r0c6r1c6r2c6|13,r0c7r0c8r1c7|3,r1c8r2c8|16,r2c7r3c7|19,r2c0r3c0r3c1|16,r2c2r2c3r3c2|17,r2c4r3c3r3c4|3,r3c5r3c6|4,r4c0r4c1|23,r4c3r4c4r4c5|9,r4c6r4c7|10,r3c8r4c8|13,r4c2r5c2r6c2|16,r5c4r5c5r6c5|8,r5c6r5c7|6,r5c0r6c0|13,r5c1r6c1|19,r5c3r6c3r6c4|8,r6c6r6c7r7c7|22,r5c8r6c8r7c8|8,r7c0r7c1|8,r7c3r7c4|8,r7c5r7c6|16,r8c0r8c1|13,r7c2r8c2r8c3|8,r8c4r8c5|16,r8c6r8c7r8c8", "solution": "729135864684729531513684972867542193132896457495317628246978315358261749971453286", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8738, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8740, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-03-19", "puzzle": "15,r0c2r0c3r0c4r1c4|22,r0c5r0c6r0c7|18,r0c0r0c1r1c0|13,r1c5r1c6|8,r0c8r1c7r1c8|24,r1c1r1c2r2c1r2c2|15,r1c3r2c3r2c4|13,r2c5r2c6r2c7|15,r2c0r3c0r4c0r4c1|18,r3c1r3c2r4c2|20,r3c3r3c4r4c3|8,r2c8r3c8|10,r3c6r3c7r4c6|25,r3c5r4c4r4c5r5c3r5c4r5c5|11,r4c7r5c7|14,r4c8r5c8|19,r5c0r6c0r7c0|9,r5c1r6c1|16,r5c2r6c2r7c2|14,r6c3r6c4r7c3|16,r5c6r6c5r6c6|9,r6c7r6c8|8,r7c4r7c5|20,r7c7r7c8r8c7r8c8|9,r7c1r8c0r8c1|8,r8c2r8c3|15,r8c4r8c5|13,r7c6r8c6", "solution": "642718593893256714157493286564879132278531649319624875986145327731962458425387961", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8740, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8739, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-03-19", "puzzle": 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"17,r0c2r0c3|10,r0c5r0c6|12,r0c0r0c1r1c0|0,r1c2r1c3r2c3|0,r0c4r1c4|11,r1c5r1c6r2c5|0,r0c7r0c8r1c8|0,r1c1r2c0r2c1r2c2r3c0|21,r1c7r2c6r2c7r2c8r3c8|22,r3c1r3c2r4c0r4c1r4c2|24,r2c4r3c3r3c4r3c5r4c3r4c5|31,r3c6r3c7r4c6r4c7r4c8|12,r5c0r5c1|0,r5c2r5c3|0,r4c4r5c4|17,r5c5r5c6|3,r5c7r5c8|4,r6c0r7c0|16,r6c1r7c1|0,r6c2r6c3r7c2r8c2|10,r6c4r7c4|0,r6c5r6c6r7c6r8c6|11,r6c7r7c7|12,r6c8r7c8|14,r8c0r8c1|0,r7c3r7c5r8c3r8c4r8c5|0,r8c7r8c8", "solution": "268917345417853629539462187846721593921385476753649812395178264174236958682594731", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8766, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8767, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-03-24", "puzzle": 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"0,r0c0r0c1|14,r0c3r0c4r1c4|0,r0c5r0c6r1c5r1c6|16,r1c0r1c1r2c0|11,r0c2r1c2r1c3|0,r0c7r1c7|17,r0c8r1c8|0,r2c1r2c2|0,r2c6r2c7r2c8|0,r3c1r3c2|10,r2c3r3c3r4c3|12,r2c4r3c4|0,r2c5r3c5|19,r3c6r3c7r3c8r4c6|11,r3c0r4c0|15,r4c4r4c5|0,r4c7r4c8|18,r4c1r4c2r5c0r5c1|22,r5c6r5c7r5c8|30,r5c2r5c3r5c4r5c5r6c1r6c2|0,r6c3r6c4r6c5r7c4|0,r6c6r6c7r6c8|6,r6c0r7c0|16,r7c5r7c6r7c7|18,r7c1r8c0r8c1|20,r7c2r7c3r8c2|9,r8c3r8c4r8c5|13,r8c6r8c7|5,r7c8r8c8", "solution": "942573168361824579758196324694731285587269431123485697219347856436958712875612943", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8816, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8817, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-04-03", "puzzle": 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"13,r0c0r0c1|6,r0c2r0c3r1c2|12,r0c4r0c5|16,r0c6r0c7r0c8|15,r1c3r1c4r2c4|8,r1c6r2c6|16,r1c8r2c8r3c8|13,r1c0r2c0|14,r1c1r2c1r2c2|8,r1c5r2c5|14,r1c7r2c7|13,r3c1r3c2|15,r2c3r3c3r4c3|13,r3c4r4c4|15,r3c6r3c7r4c6|12,r3c0r4c0r4c1|12,r3c5r4c5|11,r4c7r5c7|14,r5c0r6c0|7,r4c2r5c2|6,r5c3r5c4|7,r5c6r6c6|7,r4c8r5c8|10,r5c1r6c1|10,r6c3r6c4|9,r5c5r6c5|16,r6c7r6c8r7c8|11,r7c0r7c1r8c0|13,r6c2r7c2|15,r7c3r7c4r7c5|17,r7c6r7c7|16,r8c1r8c2r8c3|13,r8c4r8c5|8,r8c6r8c7r8c8", "solution": "493157268752386194618942753285473619371269845946518372569821437124735986837694521", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8823, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8822, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-04-04", "puzzle": "13,r0c0r0c1|15,r0c2r0c3|10,r0c4r0c5|0,r1c0r1c1r1c2r2c1|0,r1c3r1c4r1c5|19,r0c6r0c7r1c6r1c7|0,r0c8r1c8|8,r2c2r2c3|0,r2c4r2c5|0,r2c7r2c8|5,r2c0r3c0|27,r3c3r3c4r4c4r5c4r5c5|0,r2c6r3c6|0,r3c7r3c8r4c8|0,r3c1r4c1|0,r3c2r4c2|10,r4c3r5c3|0,r3c5r4c5|12,r4c6r5c6|0,r4c7r5c7|17,r4c0r5c0r5c1|6,r5c2r6c2|10,r5c8r6c8|0,r6c0r6c1|0,r6c3r6c4|8,r6c5r6c6|11,r7c0r8c0|0,r7c1r7c2r8c1r8c2|0,r7c3r7c4r7c5|27,r6c7r7c6r7c7r7c8|9,r8c3r8c4|6,r8c5r8c6|0,r8c7r8c8", "solution": "589673421746192583123548769452937816897261345631854972375416298214389657968725134", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8822, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8824, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2014-04-05", "puzzle": "9,r0c1r0c2r0c3|28,r0c7r0c8r1c7r1c8|17,r0c0r1c0r2c0|11,r1c2r1c3|26,r0c4r0c5r1c4r1c5|3,r0c6r1c6|9,r1c1r2c1|11,r2c3r2c4|11,r2c7r2c8|10,r3c0r3c1|14,r2c2r3c2|13,r2c5r2c6r3c5r3c6|12,r4c6r5c6|24,r3c7r3c8r4c7r4c8|8,r4c0r5c0|15,r4c1r4c2r5c1|22,r3c3r3c4r4c4r4c5r5c5|6,r5c7r6c7|9,r6c0r6c1|27,r4c3r5c2r5c3r5c4r6c2r6c3|17,r6c5r6c6|8,r5c8r6c8r7c8|23,r7c0r7c1r8c0r8c1|10,r7c2r8c2|15,r6c4r7c3r7c4|5,r7c5r8c5|9,r7c6r7c7|16,r8c3r8c4|17,r8c6r8c7r8c8", "solution": "942376185317485269586921347198234576635817492274659813723168954869543721451792638", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8824, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8825, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-04-05", "puzzle": "15,r0c0r0c1r1c0|12,r0c7r0c8r1c8|20,r0c2r0c3r1c1r1c2|6,r0c4r1c4|24,r0c5r0c6r1c6r1c7|19,r2c0r2c1r2c2|9,r1c3r2c3|8,r1c5r2c5|16,r2c6r2c7r2c8|35,r2c4r3c2r3c3r3c4r3c5r3c6|31,r3c0r3c1r4c0r4c1r5c0|28,r4c2r4c3r4c4r4c5r4c6r5c4|18,r3c7r3c8r4c7r4c8r5c8|7,r5c1r6c1|35,r5c2r5c3r6c2r6c3r7c1r7c2r7c3|29,r5c5r5c6r6c5r6c6r7c5r7c6r7c7|7,r5c7r6c7|15,r6c0r7c0r8c0r8c1|21,r6c4r7c4r8c4|26,r6c8r7c8r8c7r8c8|15,r8c2r8c3|9,r8c5r8c6", "solution": "561947283437825691298163475613289754874536912952714836726391548185472369349658127", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8825, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8826, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-04-05", "puzzle": 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"11,r0c0r0c1r1c0|15,r0c2r1c1r1c2|10,r0c3r1c3|9,r0c4r1c4|11,r0c5r1c5|16,r0c6r1c6r1c7|18,r0c7r0c8r1c8|16,r2c1r2c2|15,r2c3r2c4r2c5|5,r2c6r2c7|7,r2c0r3c0|9,r2c8r3c8|17,r3c1r4c0r4c1|11,r3c2r4c2|9,r3c4r4c4|8,r3c6r4c6|14,r3c7r4c7r4c8|8,r5c1r5c2|13,r3c3r4c3r5c3|22,r3c5r4c5r5c5|11,r5c6r5c7|11,r5c0r6c0|15,r6c1r6c2r6c3|10,r5c4r6c4|11,r6c5r6c6r6c7|13,r5c8r6c8|14,r7c0r7c1r7c2|15,r7c3r7c4r7c5|16,r7c6r7c7r7c8|18,r8c0r8c1r8c2|12,r8c3r8c4r8c5|15,r8c6r8c7r8c8", "solution": "285164937164937528379582416418679253793425681526318749652891374941753862837246195", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8928, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8925, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-04-25", "puzzle": 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"21,r0c0r0c1r1c0r1c1|9,r0c2r0c3|34,r0c4r0c5r1c4r2c4r3c4|8,r0c6r1c6|9,r0c7r1c7|15,r0c8r1c8|7,r2c0r2c1|15,r1c2r2c2r3c2|10,r1c3r2c3|15,r1c5r2c5r2c6|5,r2c7r3c7|24,r3c0r3c1r4c0r4c1r4c2|6,r3c5r3c6|10,r2c8r3c8|30,r3c3r4c3r4c4r4c5r5c5|13,r5c0r6c0|6,r5c2r5c3|21,r4c6r4c7r4c8r5c7r5c8|14,r5c1r6c1|12,r6c2r6c3r7c3|12,r6c5r7c5|14,r5c6r6c6r7c6|11,r6c7r6c8|13,r7c0r8c0|7,r7c1r8c1|10,r7c2r8c2|18,r5c4r6c4r7c4r8c3r8c4|13,r8c5r8c6|23,r7c7r7c8r8c7r8c8", "solution": "238164759795382146614795832346971528179258463582436917861529374957643281423817695", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8929, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8930, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-04-26", "puzzle": "18,r0c3r0c4r1c4|6,r0c5r0c6|19,r0c7r0c8r1c8|14,r0c0r0c1r1c0|27,r0c2r1c1r1c2r1c3r2c1|26,r2c2r2c3r3c2r3c3|13,r1c5r2c4r2c5|20,r1c6r1c7r2c6r2c7|9,r2c8r3c8|13,r2c0r3c0|17,r3c4r3c5r4c5|7,r3c6r3c7r4c6|19,r3c1r4c0r4c1r5c0r5c1|27,r4c2r4c3r4c4r5c3r5c4r6c4|20,r4c7r4c8r5c8|25,r6c0r7c0r7c1r8c0r8c1r8c2|26,r5c2r6c1r6c2r6c3r7c2|17,r5c5r5c6r6c5r6c6|28,r5c7r6c7r6c8r7c6r7c7|22,r7c3r7c4r7c5r8c3r8c4|16,r8c5r8c6|16,r7c8r8c7r8c8", "solution": "672931584153864927498572631936745218517328496284196375869257143725413869341689752", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8930, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8931, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-04-26", "puzzle": "13,r0c0r0c1r1c0r1c1|0,r0c2r0c3r0c4|11,r1c3r1c4|29,r0c5r0c6r0c7r1c5r1c6|19,r1c2r2c1r2c2|0,r2c5r2c6|10,r1c7r2c7|7,r0c8r1c8r2c8|15,r2c0r3c0r4c0|0,r2c3r3c2r3c3|0,r2c4r3c4r3c5|0,r3c6r4c6|13,r3c7r3c8|0,r3c1r4c1|11,r4c2r4c3r5c3|0,r4c4r4c5r5c4|31,r5c0r5c1r6c0r6c1r7c0|0,r5c2r6c2|0,r4c7r4c8r5c7|4,r6c3r6c4|35,r5c5r5c6r6c5r6c6r6c7r7c6r7c7|13,r5c8r6c8|3,r7c1r7c2|18,r7c4r7c5r8c4|18,r8c0r8c1r8c2|17,r7c3r8c3|6,r8c5r8c6|11,r7c8r8c7r8c8", "solution": "536721894149386572728549631687215349251493786394678125475132968812967453963854217", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8931, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8932, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-04-26", "puzzle": "21,r0c1r0c2r0c3|0,r0c6r0c7|12,r0c0r1c0r2c0|0,r1c1r1c2|23,r0c4r0c5r1c4r2c4|32,r1c5r1c6r1c7r2c6r2c7|0,r0c8r1c8|0,r2c1r2c2|0,r1c3r2c3|8,r3c0r3c1|0,r3c2r3c3|11,r2c5r3c4r3c5|0,r3c6r3c7r4c6|0,r2c8r3c8|28,r4c0r4c1r5c0r5c1|0,r4c2r4c3|0,r5c2r5c3r6c3|25,r4c4r4c5r5c4r5c5|6,r4c7r5c7|9,r4c8r5c8|0,r6c0r6c1|8,r5c6r6c6r7c6|25,r6c7r6c8r7c7r7c8r8c8|0,r6c2r7c2|0,r6c4r7c4|15,r6c5r7c5|0,r7c0r8c0|18,r7c1r8c1r8c2|9,r7c3r8c3|0,r8c4r8c5|17,r8c6r8c7", "solution": "368759412259134687714862953532481769941576328876293541185947236493628175627315894", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8932, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8933, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2014-04-27", "puzzle": "16,r0c1r0c2|10,r0c3r0c4|15,r0c5r0c6r0c7|4,r0c0r1c0|8,r1c2r1c3|15,r1c6r2c6|8,r0c8r1c8r2c8|23,r1c1r2c1r3c1|7,r2c2r2c3r3c3|14,r1c4r2c4|15,r1c5r2c5|13,r1c7r2c7r3c7|8,r2c0r3c0|10,r3c2r4c2|21,r3c8r4c7r4c8|24,r4c3r5c2r5c3|15,r3c4r4c4r5c4|10,r3c5r3c6r4c5|11,r4c0r4c1r5c0|5,r4c6r5c6|11,r5c8r6c8|10,r5c1r6c1r7c1|12,r6c3r7c3|5,r6c4r7c4|11,r5c5r6c5r6c6|17,r5c7r6c7r7c7|24,r6c0r7c0r8c0|3,r6c2r7c2|14,r7c5r7c6|11,r7c8r8c8|14,r8c1r8c2r8c3|16,r8c4r8c5|5,r8c6r8c7", "solution": "379642581185397624264158973693285147527914368418763295942831756751426839836579412", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8933, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8934, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2014-04-27", "puzzle": 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"27,r0c0r0c1r0c2r1c0r2c0|9,r0c6r0c7r1c7|28,r1c1r1c2r1c3r2c1r3c1|21,r0c3r0c4r1c4|15,r0c5r1c5r1c6|7,r0c8r1c8|15,r2c4r2c5r2c6|17,r2c2r2c3r3c2r3c3|5,r3c5r3c6|14,r2c7r3c7|14,r2c8r3c8|11,r3c0r4c0r4c1|15,r3c4r4c3r4c4|16,r4c6r4c7r4c8|16,r5c0r5c1r6c1|20,r4c2r5c2r6c2|11,r5c3r6c3|13,r4c5r5c4r5c5|9,r5c7r5c8|8,r5c6r6c5r6c6|18,r6c0r7c0r7c1|5,r7c2r7c3|15,r6c4r7c4r8c4|44,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|6,r8c0r8c1|9,r8c2r8c3|17,r7c5r8c5", "solution": "857491623362785914491326758748513296139862475625947381986254137274138569513679842", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8935, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8936, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-04-27", "puzzle": "0,r0c2r0c3r0c4|9,r0c6r0c7r0c8|17,r0c0r1c0r2c0r2c1|19,r0c1r1c1r1c2r2c2|6,r0c5r1c5|0,r1c6r1c7r1c8r2c8|16,r1c3r1c4r2c3r2c4|11,r3c0r3c1r3c2|0,r3c3r3c4r4c4|15,r2c5r3c5|10,r2c6r3c6|3,r2c7r3c7|15,r4c0r4c1|23,r3c8r4c7r4c8r5c8|27,r5c0r5c1r6c0r6c1|10,r4c2r4c3r5c2r5c3|12,r4c5r5c5|0,r4c6r5c6r5c7|0,r5c4r6c2r6c3r6c4|11,r6c5r6c6r7c6|0,r7c0r7c1|0,r7c2r7c3r7c4|20,r6c7r6c8r7c7|0,r8c0r8c1|16,r8c2r8c3|0,r7c5r8c4r8c5|9,r8c6r8c7|6,r7c8r8c8", "solution": "279684153815372469346159728452896317691437582783215946938561274164723895527948631", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8936, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8938, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-04-28", "puzzle": "15,r0c4r1c4r2c4|17,r0c5r0c6|11,r0c0r1c0|13,r0c1r1c1|10,r0c2r0c3r1c2|5,r1c5r1c6|11,r0c7r1c7|11,r0c8r1c8|9,r2c0r2c1r3c1|15,r2c2r3c2|11,r1c3r2c3|15,r2c5r3c4r3c5|3,r2c6r3c6|11,r2c7r2c8r3c7|18,r3c0r4c0r5c0|14,r4c1r4c2|21,r3c3r4c3r5c3|4,r4c4r4c5|15,r4c6r4c7|15,r5c4r5c5r6c5|11,r5c6r6c6|17,r5c7r6c7r6c8|17,r3c8r4c8r5c8|11,r5c1r6c0r6c1|5,r5c2r6c2|4,r6c3r7c3|6,r7c0r8c0|17,r7c1r8c1|15,r7c2r8c2r8c3|9,r7c5r7c6|11,r7c7r8c7|5,r7c8r8c8|23,r6c4r7c4r8c4|10,r8c5r8c6", "solution": "261478953975231468348956217627845139459613872813729546732194685584362791196587324", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8938, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8940, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-04-28", "puzzle": 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"4,r0c2r0c3|10,r0c5r0c6|12,r0c7r0c8|13,r0c0r1c0|6,r0c1r1c1|23,r1c2r1c3r2c3r3c3|15,r0c4r1c4|9,r1c5r1c6r1c7|11,r2c0r2c1|10,r2c6r2c7|17,r1c8r2c8|6,r3c0r3c1|7,r2c2r3c2|20,r2c4r2c5r3c4r3c5|13,r4c0r4c1|7,r4c2r4c3|9,r4c4r4c5|28,r3c6r4c6r4c7r5c6|15,r5c0r5c1|7,r5c2r6c2|21,r5c4r5c5r6c4r6c5|17,r3c7r3c8r4c8r5c7r5c8|7,r6c0r6c1|8,r6c6r6c7|8,r6c8r7c8|10,r7c0r8c0|9,r7c1r8c1|29,r5c3r6c3r7c2r7c3|6,r7c4r8c4|12,r7c5r7c6r7c7|13,r8c2r8c3|10,r8c5r8c6|13,r8c7r8c8", "solution": "641398275729465138385271469512839647496127583873546921254983716968714352137652894", "extra": "{\"grid_size\": 9, \"puzzle_number\": 8949, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 8952, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-04-30", "puzzle": 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"17,r0c1r0c2r1c2|9,r0c0r1c0|20,r0c3r1c3r2c3|3,r0c4r1c4|13,r0c5r0c6r1c5|19,r0c7r1c6r1c7|13,r0c8r1c8|14,r1c1r2c0r2c1|7,r2c2r3c2|7,r2c5r2c6|12,r2c4r3c3r3c4|22,r3c5r3c6r4c6|11,r2c7r3c7|5,r2c8r3c8|11,r3c0r4c0|9,r3c1r4c1|15,r4c3r4c4r4c5|9,r4c7r5c7|9,r4c8r5c8|7,r5c0r6c0|14,r5c1r6c1|16,r4c2r5c2r5c3|20,r5c4r5c5r6c4|17,r6c2r6c3|4,r5c6r6c6|12,r6c7r6c8r7c7|9,r7c0r8c0|18,r7c1r7c2r8c1|9,r7c3r8c2r8c3|15,r7c4r8c4|7,r6c5r7c5r8c5|12,r7c8r8c8|20,r7c6r8c6r8c7", "solution": "874916235136425798925783461682137954513249687497658312359872146748361529261594873", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9028, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9025, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-05-15", "puzzle": 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"20,r0c5r0c6r0c7|28,r0c0r0c1r0c2r1c0r1c1r1c2|15,r0c3r0c4r1c3|18,r1c4r1c5r1c6|18,r2c0r2c1r2c2r3c0|17,r2c3r2c4r2c5r3c5|22,r0c8r1c7r1c8r2c7r2c8|26,r2c6r3c6r3c7r4c6|15,r4c0r5c0|25,r3c1r3c2r3c3r3c4r4c1|7,r4c3r4c4r4c5|22,r4c7r5c4r5c5r5c6r5c7|12,r3c8r4c8|17,r4c2r5c1r5c2r6c2|22,r6c0r6c1r7c0r7c1r8c0|29,r5c3r6c3r6c4r6c5|13,r5c8r6c6r6c7r6c8|23,r7c2r7c3r7c4|8,r7c5r8c4r8c5|33,r7c6r7c7r7c8r8c6r8c7r8c8|15,r8c1r8c2r8c3", "solution": "813567492592438716746921358124395867678142935935876241381759624259684173467213589", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9030, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9033, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2014-05-17", "puzzle": "14,r0c0r0c1|7,r0c6r0c7|8,r0c2r1c2|10,r0c3r1c3|9,r0c4r1c4|17,r0c5r1c5|13,r1c6r1c7r2c7|18,r0c8r1c8r2c8|9,r1c0r2c0|5,r1c1r2c1|17,r2c6r3c6r4c6|4,r3c0r3c1|11,r2c2r3c2|13,r2c3r3c3r4c3|5,r2c4r3c4|12,r2c5r3c5|13,r3c7r3c8|13,r4c1r4c2|8,r4c4r4c5|13,r4c0r5c0|21,r5c1r5c2r5c3|16,r5c4r5c5r6c4|14,r5c6r6c6|4,r4c7r5c7|13,r4c8r5c8r6c8|10,r6c0r6c1|11,r6c5r7c5r8c5|16,r6c7r7c7|12,r6c2r6c3r7c2|14,r7c3r7c4|9,r7c8r8c8|15,r7c0r7c1r8c0|10,r8c1r8c2|10,r8c3r8c4|11,r7c6r8c6r8c7", "solution": "683479251715628349249315768132947685958162437467853912376281594824596173591734826", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9033, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9034, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-05-17", "puzzle": 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"14,r0c3r0c4r1c3|20,r0c0r0c1r1c0|22,r0c2r1c1r1c2r2c0r2c1|10,r1c4r2c4|4,r1c5r2c5|17,r1c6r2c6|28,r0c5r0c6r0c7r0c8r1c7r2c7|8,r1c8r2c8|14,r2c2r2c3r3c2|33,r3c3r3c4r3c5r4c3r4c4r5c3|11,r3c6r3c7|14,r3c0r3c1r4c0|13,r4c1r4c2|5,r4c6r4c7|27,r3c8r4c8r5c8r6c8|10,r5c1r5c2|12,r4c5r5c4r5c5|7,r6c1r6c2|33,r5c6r5c7r6c5r6c6r6c7r7c5r7c6|38,r5c0r6c0r7c0r7c1r7c2r8c0|9,r6c3r7c3|9,r6c4r7c4|6,r8c1r8c2|19,r8c3r8c4r8c5r8c6|22,r7c7r7c8r8c7r8c8", "solution": "971258463458763921263941857182395746549176238637824519716582394395417682824639175", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9035, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9036, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2014-05-17", "puzzle": 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"12,r0c2r0c3|11,r0c4r0c5r0c6|14,r0c0r0c1r1c0r2c0|0,r1c1r1c2|0,r1c3r1c4|9,r1c5r1c6|17,r0c7r1c7|8,r0c8r1c8|18,r2c5r2c6r3c5|0,r2c7r2c8|16,r2c1r3c0r3c1|7,r2c2r3c2|15,r2c3r3c3|0,r2c4r3c4|0,r3c8r4c8|0,r4c1r5c1|14,r4c2r5c2|16,r4c3r4c4r4c5|11,r3c6r4c6|0,r3c7r4c7|15,r4c0r5c0|11,r5c4r6c4|0,r5c5r6c5|0,r5c6r6c6|0,r5c7r5c8r6c7|0,r6c0r6c1|6,r5c3r6c2r6c3|0,r7c0r8c0|0,r7c1r8c1|0,r7c2r7c3|0,r7c4r7c5|11,r7c6r7c7|19,r6c8r7c8r8c7r8c8|23,r8c2r8c3r8c4|9,r8c5r8c6", "solution": "568473192237195486194826357613749528729538614845261973481352769972614835356987241", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9191, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9190, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-06-17", "puzzle": 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"18,r0c2r0c3r0c4|3,r0c5r0c6|9,r0c0r1c0|4,r0c1r1c1|22,r1c2r1c3r1c4|7,r1c5r1c6|11,r0c7r1c7|16,r0c8r1c8|15,r2c5r2c6|5,r2c7r2c8|7,r2c0r3c0|6,r2c1r3c1|16,r2c2r3c2|15,r2c3r2c4r3c3|9,r3c5r3c6|6,r3c7r4c7|12,r4c0r5c0|4,r4c2r4c3|15,r3c4r4c4r5c4|17,r4c5r4c6|14,r3c8r4c8|14,r4c1r5c1|8,r5c2r5c3|17,r5c5r6c4r6c5|9,r5c6r6c6|8,r5c7r6c7|9,r5c8r6c8|15,r6c0r6c1|4,r6c2r6c3|8,r7c0r8c0|15,r7c1r8c1|11,r7c2r7c3|9,r7c4r7c5r7c6|17,r7c7r8c7|4,r7c8r8c8|6,r8c2r8c3|20,r8c4r8c5r8c6", "solution": "738642159215893467649517832127956348453178926896234715961385274584721693372469581", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9318, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9319, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-07-13", "puzzle": 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"20,r0c0r0c1r1c0|10,r0c2r0c3|8,r0c4r0c5|12,r0c7r0c8r1c7|13,r1c1r1c2r1c3|10,r1c4r1c5|9,r0c6r1c6|4,r2c1r2c2|10,r2c3r2c4|14,r2c5r2c6r2c7|17,r1c8r2c8|15,r2c0r3c0r4c0|3,r3c1r3c2|23,r3c3r3c4r3c5|10,r4c2r4c3r4c4|16,r3c6r4c6r5c6|18,r3c7r4c7r5c7|9,r3c8r4c8|17,r4c1r5c1|13,r5c2r5c3r6c2|16,r4c5r5c4r5c5|7,r5c0r6c0|8,r6c3r6c4|19,r6c6r6c7r7c7|3,r5c8r6c8|12,r6c1r7c1|7,r6c5r7c5|9,r7c8r8c8|7,r7c0r8c0|20,r7c2r8c1r8c2|20,r7c3r7c4r8c3|10,r8c4r8c5|16,r7c6r8c6r8c7", "solution": "942853617765219348813647259421968735397125864586374192274536981658791423139482576", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9323, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9324, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-07-14", "puzzle": "10,r0c0r0c1|29,r0c2r0c3r0c4r0c5r0c6|6,r0c7r0c8|15,r1c0r1c1r1c2|10,r1c6r1c7r1c8|15,r2c0r2c1|10,r1c3r2c3r3c3|7,r1c4r2c4|13,r1c5r2c5r3c5|12,r2c7r2c8|19,r3c0r3c1r4c0|9,r2c2r3c2|14,r3c4r4c4|15,r2c6r3c6|11,r3c7r3c8r4c8|17,r4c1r4c2r4c3|13,r4c5r4c6r4c7|11,r5c1r5c2|13,r5c3r5c4r5c5|11,r5c6r5c7|8,r5c0r6c0|36,r6c2r6c3r6c4r6c5r6c6r7c4|12,r5c8r6c8|4,r6c1r7c1|11,r7c2r7c3|9,r7c5r7c6|14,r6c7r7c7|7,r7c0r8c0|13,r8c1r8c2|6,r8c3r8c4r8c5|14,r8c6r8c7|11,r7c8r8c8", "solution": "371685942852749316694231875465193728927856431183427569718964253236578194549312687", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9324, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9325, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-07-14", "puzzle": 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"5,r0c0r0c1|9,r0c2r0c3|13,r1c1r1c2|16,r0c4r1c3r1c4|15,r0c5r1c5|0,r1c0r2c0|10,r2c1r2c2r2c3|40,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|11,r3c0r3c1|13,r2c5r2c6r3c5r3c6|7,r3c7r3c8|5,r4c0r4c1|13,r3c2r4c2|14,r3c3r4c3|23,r2c4r3c4r4c4r4c5r4c6|20,r4c7r4c8r5c7|24,r5c2r5c3r6c2r6c3|0,r5c4r5c5|0,r5c8r6c8|0,r5c0r6c0|6,r5c1r6c1|0,r6c4r6c5|0,r5c6r6c6r7c6|4,r6c7r7c7|0,r7c0r7c1r8c0r8c1|10,r7c2r7c3|11,r7c4r8c4|0,r7c5r8c5|0,r7c8r8c8|3,r8c2r8c3|0,r8c6r8c7", "solution": "324568791685917423971243568837694152146852379259371846718426935563789214492135687", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9401, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9400, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-07-29", "puzzle": 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"14,r0c0r0c1|21,r0c2r0c3r0c4|4,r0c6r0c7|7,r1c0r1c1r1c2|14,r1c3r1c4|5,r0c5r1c5|15,r1c6r1c7|10,r0c8r1c8|15,r2c1r3c1|5,r2c3r2c4|9,r2c0r3c0|13,r2c2r3c2|5,r3c3r3c4|15,r2c5r3c5|6,r2c6r3c6|10,r2c7r3c7|21,r2c8r3c8r4c8|10,r4c1r4c2|11,r4c3r4c4r4c5|13,r4c6r4c7|15,r4c0r5c0r6c0|10,r5c1r6c1|4,r5c2r6c2|9,r5c3r6c3|12,r5c4r5c5|8,r5c6r6c6|10,r5c8r6c8|16,r6c4r6c5|8,r5c7r6c7|15,r7c0r8c0|14,r7c1r7c2|7,r7c3r8c3|7,r7c4r7c5|14,r7c6r7c7r7c8|3,r8c1r8c2|23,r8c4r8c5r8c6|7,r8c7r8c8", "solution": "596782134124953786378416295685329417237641859941875362463197528859234671712568943", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9408, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9409, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2014-07-31", "puzzle": 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"11,r0c2r0c3r0c4|16,r0c5r0c6|10,r0c0r1c0|9,r0c1r1c1|13,r1c2r1c3|6,r1c4r1c5|19,r0c7r0c8r1c7r2c7|19,r2c3r2c4r3c4|12,r2c5r3c5|16,r1c6r2c6r3c6|11,r1c8r2c8r3c8|8,r2c0r3c0|22,r2c1r2c2r3c1r3c2r3c3|21,r4c0r4c1r5c0r5c1|13,r4c2r4c3|19,r3c7r4c7r4c8r5c8|25,r4c4r4c5r4c6r5c4r5c5|24,r6c0r6c1r6c2r7c0r8c0|22,r7c1r7c2r7c3r8c1r8c2|27,r5c2r5c3r6c3r6c4r7c4|25,r5c6r6c5r6c6r7c5r7c6|12,r8c3r8c4|45,r5c7r6c7r6c8r7c7r7c8r8c5r8c6r8c7r8c8", "solution": "865249713237615894149738265751394682428561937693872541316957428584126379972483156", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9410, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9405, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-07-30", "puzzle": "14,r0c4r0c5r0c6|21,r0c7r0c8r1c7r1c8|7,r0c0r1c0|12,r0c1r0c2r1c1|15,r0c3r1c3r2c3|14,r1c4r1c5r1c6|21,r1c2r2c1r2c2|24,r2c5r2c6r3c5r3c6|22,r2c0r3c0r4c0|12,r3c1r3c2r3c3|10,r2c4r3c4|13,r2c7r3c7r4c7|14,r2c8r3c8r4c8|7,r4c1r4c2|7,r4c5r4c6|26,r4c3r4c4r5c3r5c4|13,r5c6r5c7r5c8|15,r5c0r6c0r6c1|17,r5c1r5c2r6c2r6c3r7c3|7,r6c4r7c4|17,r5c5r6c5r7c5|21,r6c6r6c7r7c6|23,r7c0r7c1r8c0r8c1|14,r6c8r7c7r7c8|14,r7c2r8c2r8c3|17,r8c4r8c5r8c6|8,r8c7r8c8", "solution": "637841952129573468584296371953417826816932547742685193261354789395728614478169235", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9405, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9407, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-07-30", "puzzle": 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"21,r0c5r0c6r1c5|9,r0c7r0c8|19,r0c0r1c0r2c0|3,r0c1r1c1|9,r0c2r1c2|17,r0c3r0c4r1c3|8,r1c6r2c6|15,r2c1r2c2r2c3|17,r1c4r2c4r3c4|18,r1c7r1c8r2c7|4,r3c0r3c1|17,r2c5r3c5r3c6|18,r4c0r4c1r5c0|9,r3c2r4c2|13,r3c3r4c3|16,r4c4r4c5r5c5|20,r3c7r4c6r4c7|6,r2c8r3c8r4c8|16,r5c1r5c2r5c3|14,r5c6r5c7r5c8|18,r6c1r6c2r7c1|7,r5c4r6c4r6c5|16,r6c7r6c8|14,r6c0r7c0r8c0|15,r6c3r7c2r7c3|6,r7c4r7c5|8,r6c6r7c6|11,r8c1r8c2|11,r8c3r8c4|10,r8c5r8c6|10,r7c7r8c7|10,r7c8r8c8", "solution": "423596718716348295859172643134967852275483961968215437381624579692751384547839126", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9413, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9415, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-08-01", "puzzle": 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"12,r0c0r0c1|10,r0c2r0c3r1c2|17,r0c6r0c7|10,r0c4r1c3r1c4|14,r0c5r1c5r1c6|12,r1c0r2c0|11,r1c1r2c1|12,r2c2r2c3|6,r2c5r2c6|9,r2c4r3c4|8,r3c5r3c6|35,r0c8r1c7r1c8r2c7r2c8r3c7r3c8|22,r3c0r3c1r4c0r5c0r5c1|23,r3c2r4c1r4c2r5c2|18,r4c5r4c6r4c7r4c8|20,r3c3r4c3r4c4r5c3|14,r5c4r6c4|16,r5c5r5c6|37,r5c7r5c8r6c7r6c8r7c7r7c8r8c8|5,r6c0r7c0|9,r6c1r7c1|5,r6c2r6c3|11,r6c5r6c6|16,r7c3r7c4r8c4|11,r7c5r7c6r8c5|15,r8c0r8c1|20,r7c2r8c2r8c3|7,r8c6r8c7", "solution": "571324896496718253823965147659431728742689315138257964384196572217543689965872431", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9419, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9421, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2014-08-02", "puzzle": "22,r0c1r0c2r0c3|12,r0c4r0c5|9,r0c6r0c7r0c8|9,r0c0r1c0|11,r1c2r1c3|0,r1c7r1c8|4,r1c1r2c1|0,r2c2r2c3r3c2|0,r1c4r1c5r1c6r2c4|7,r2c5r2c6|32,r3c3r3c4r3c5r4c5r5c3r5c4r5c5|11,r2c7r3c7|0,r2c8r3c8|19,r3c1r4c1r5c1|0,r4c2r4c3r4c4|0,r3c6r4c6r5c6|0,r4c7r4c8|0,r2c0r3c0r4c0r5c0r6c0|14,r5c7r6c7|0,r5c8r6c8|0,r6c1r7c1|0,r5c2r6c2r6c3|28,r6c4r7c4r7c5r7c6|10,r6c5r6c6|10,r7c0r8c0|8,r7c2r7c3|7,r7c7r7c8|17,r8c1r8c2r8c3|10,r8c4r8c5|0,r8c6r8c7r8c8", "solution": "269784315715623489834195276697312548521948763483576192342861957176259834958437621", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9421, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9420, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-08-02", "puzzle": "16,r0c0r0c1r0c2|18,r0c3r0c4r1c4r2c4|14,r0c5r0c6|7,r1c5r1c6|19,r0c7r0c8r1c7r1c8|6,r1c0r2c0|23,r1c1r1c2r2c1r2c2|5,r1c3r2c3|18,r2c5r2c6r3c6|13,r2c8r3c8|7,r3c0r3c1r4c1|11,r3c2r3c3|9,r2c7r3c7|11,r4c2r4c3|25,r3c4r3c5r4c4r4c5|23,r4c6r4c7r4c8r5c8|17,r4c0r5c0|21,r5c2r5c3r6c2r6c3|5,r5c4r6c4|5,r5c5r6c5|9,r5c6r5c7|16,r5c1r6c0r6c1|13,r7c2r7c3r8c2|14,r7c4r7c5r8c5|27,r6c6r6c7r7c6r7c7|8,r6c8r7c8r8c8|18,r7c0r7c1r8c0r8c1|17,r8c3r8c4|10,r8c6r8c7", "solution": "682749513194365278537218946243896157916573824875124639459631782768452391321987465", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9420, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9422, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2014-08-02", "puzzle": "11,r0c1r0c2|13,r0c6r0c7|0,r0c0r1c0r2c0r2c1|10,r1c1r1c2|21,r0c3r0c4r0c5r1c3r1c5|8,r1c6r1c7|0,r0c8r1c8r2c7r2c8|0,r2c2r2c3|0,r1c4r2c4r3c4|0,r2c5r2c6|16,r3c1r3c2r3c3|0,r3c5r3c6r3c7|14,r3c0r4c0|0,r4c1r4c2|0,r4c3r4c4r4c5|4,r4c6r4c7|16,r3c8r4c8|0,r5c1r5c2|6,r5c6r5c7|0,r5c0r6c0|0,r6c1r6c2|15,r5c3r6c3r7c3|0,r5c4r6c4|12,r5c5r6c5r7c5|0,r6c6r6c7|13,r5c8r6c8|0,r7c0r7c1|5,r7c7r7c8|5,r8c0r8c1|0,r7c2r8c2|22,r7c4r8c3r8c4r8c5|9,r7c6r8c6|0,r8c7r8c8", "solution": "729134856364895172185276934843912567652487319971563428238741695596328741417659283", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9422, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9423, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2014-08-03", "puzzle": 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"14,r0c0r0c1r0c2|7,r0c3r0c4|10,r0c5r0c6|18,r1c2r1c3r2c2r2c3|13,r1c4r1c5|36,r0c7r0c8r1c6r1c7r1c8r2c7|21,r1c0r1c1r2c0r2c1|12,r2c8r3c8|15,r3c0r3c1|23,r2c4r2c5r2c6r3c6r4c6|14,r3c7r4c7|16,r3c2r3c3r4c2|27,r3c4r3c5r4c3r4c4r4c5r5c4|5,r4c8r5c8|7,r4c0r5c0|3,r4c1r5c1|27,r5c2r5c3r6c2r6c3|13,r5c6r5c7r6c6r6c7|14,r6c0r6c1|12,r5c5r6c4r6c5|7,r7c2r8c2|9,r7c3r7c4|18,r6c8r7c8r8c8|18,r7c0r7c1r8c0r8c1|17,r8c3r8c4|8,r7c5r8c5|21,r7c6r7c7r8c6r8c7", "solution": "752349186631285974849617325968123457317564892425978613596731248183452769274896531", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9424, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9425, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-08-03", "puzzle": "12,r0c0r0c1r1c0|11,r0c2r0c3|10,r0c4r0c5|12,r0c7r0c8|19,r1c1r1c2r2c1r2c2|7,r1c3r1c4|20,r0c6r1c5r1c6|8,r1c7r2c7|8,r1c8r2c8|10,r2c0r3c0|15,r2c3r3c2r3c3|10,r2c4r3c4|11,r2c5r3c5|16,r2c6r3c6r3c7|8,r3c1r4c1|12,r4c2r4c3|9,r4c4r4c5r5c4|13,r4c6r4c7|8,r3c8r4c8|12,r4c0r5c0|14,r5c2r5c3|12,r5c7r5c8|21,r5c1r6c0r6c1|13,r6c2r6c3r7c3|12,r6c4r7c4|6,r5c5r5c6r6c5|7,r7c1r7c2|24,r6c6r6c7r6c8r7c6r8c6|21,r7c7r7c8r8c7r8c8|8,r7c0r8c0|9,r8c1r8c2|16,r8c3r8c4|11,r7c5r8c5", "solution": "725619384314258967968437521152974836837561492496823175579342618243186759681795243", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9425, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9427, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-08-03", "puzzle": "22,r0c0r0c1r1c0r1c1|0,r0c3r0c4|3,r0c5r0c6|9,r0c7r0c8|0,r0c2r1c2|8,r1c4r1c5r1c6|18,r1c7r1c8r2c7|6,r2c0r2c1|10,r2c5r3c5|0,r1c3r2c2r2c3r3c1r3c2r3c3|0,r2c4r3c4|0,r2c6r3c6|0,r2c8r3c7r3c8|16,r3c0r4c0|15,r4c2r4c3|0,r4c4r4c5r5c4|0,r4c6r4c7r5c7|0,r4c1r5c1r6c1|0,r5c2r5c3|18,r5c5r5c6r6c5r6c6|8,r4c8r5c8|0,r5c0r6c0|4,r6c2r6c3|23,r6c4r7c4r7c5|0,r7c0r8c0|21,r7c1r7c2r8c1|0,r7c3r8c2r8c3|10,r8c4r8c5|43,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "369872154857614329421359678982561743736948512514723896643195287275486931198237465", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9427, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9428, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-08-04", "puzzle": "18,r0c3r0c4r0c5|10,r0c6r1c6|7,r0c0r1c0|9,r0c1r1c1|11,r0c2r1c2|3,r1c3r2c3|12,r1c4r1c5|15,r0c7r0c8r1c7|18,r2c5r2c6r2c7|10,r1c8r2c8|16,r2c0r3c0|18,r2c1r2c2r3c1|7,r3c2r3c3|10,r2c4r3c4r3c5|16,r3c6r3c7r3c8|14,r4c0r4c1r4c2|10,r4c3r4c4|11,r4c5r4c6|10,r4c7r4c8|6,r5c0r6c0|11,r5c1r6c1r6c2|15,r5c2r5c3|16,r5c4r5c5r6c4|14,r5c6r5c7r5c8|24,r6c5r6c6r6c7|7,r6c8r7c8|14,r7c0r8c0|12,r7c1r8c1|8,r7c2r8c2|8,r6c3r7c3|3,r7c4r7c5|12,r7c7r8c7r8c8|19,r8c3r8c4r8c5|11,r7c6r8c6", "solution": "319657428482193657765248193973415862248736519156982374524369781837521946691874235", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9428, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9429, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-08-04", "puzzle": "17,r0c5r0c6|12,r0c0r0c1r1c0|16,r0c2r0c3r1c1r1c2|18,r0c4r1c4r1c5r1c6|25,r0c7r0c8r1c7r1c8|22,r2c1r2c2r3c1|7,r1c3r2c3|12,r2c4r3c4|5,r2c8r3c8|9,r2c0r3c0|9,r3c2r3c3|19,r2c5r2c6r3c5r3c6|21,r2c7r3c7r4c7r4c8|4,r4c5r4c6|12,r4c0r5c0|17,r4c1r5c1r5c2|6,r5c5r6c5|15,r5c6r5c7|28,r4c2r4c3r4c4r5c3r5c4r6c4|14,r6c6r7c5r7c6|22,r5c8r6c7r6c8r7c7|16,r7c0r7c1r8c0r8c1|29,r6c0r6c1r6c2r7c2r8c2|15,r6c3r7c3r7c4|14,r8c3r8c4|10,r8c5r8c6|11,r7c8r8c7r8c8", "solution": "623719845451268379897534612165497283984623157372185964249871536516342798738956421", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9429, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9430, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-08-04", "puzzle": "18,r0c0r0c1r1c0r1c1|7,r0c2r0c3|10,r0c5r0c6|17,r0c7r0c8|17,r0c4r1c4r2c4|9,r1c5r1c6|8,r1c7r1c8|18,r1c2r2c1r2c2|21,r1c3r2c3r3c1r3c2r3c3|9,r2c0r3c0|27,r2c5r2c6r3c4r3c5r3c6|28,r2c7r2c8r3c7r3c8r4c8|11,r4c0r4c1r4c2|10,r4c6r4c7r5c7|33,r4c3r5c2r5c3r6c2r6c3|22,r4c4r4c5r5c4r5c5|10,r5c0r6c0|9,r5c1r6c1|8,r6c4r7c4r7c5|10,r5c6r6c5r6c6|18,r5c8r6c7r6c8|26,r7c2r7c3r8c2r8c3r8c4|11,r7c0r8c0|15,r7c1r8c1|22,r7c6r8c5r8c6|11,r7c7r7c8r8c7r8c8", "solution": "412567398589423671736891542253149867641378259978652134127935486865714923394286715", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9430, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9431, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-08-04", "puzzle": "19,r0c0r0c1r0c2|12,r0c4r0c5|0,r0c6r0c7|3,r1c0r1c1|0,r0c3r1c3|0,r1c4r1c5|0,r1c6r1c7|21,r0c8r1c8r2c8|11,r1c2r2c2|0,r2c3r2c4|0,r2c5r2c6|18,r2c0r2c1r3c0|9,r3c3r3c4|0,r2c7r3c7|27,r3c1r3c2r4c0r4c1r5c1r5c2|12,r4c2r4c3|18,r3c5r4c4r4c5r5c4|10,r3c6r4c6|14,r3c8r4c7r4c8|7,r5c3r6c3|16,r5c5r5c6r5c7r6c7|17,r5c0r6c0|0,r6c1r6c2|11,r6c5r6c6|7,r5c8r6c8|0,r7c0r7c1r8c0|0,r7c2r7c3r8c3r8c4r8c5|0,r6c4r7c4r7c5|5,r8c1r8c2|13,r7c6r8c6|0,r7c7r7c8r8c7r8c8", "solution": "586239174127846539394715628618453297453972861972168345835694712769521483241387956", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9431, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9432, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-08-04", "puzzle": "17,r0c4r0c5r0c6r1c6|0,r0c7r0c8|0,r0c0r0c1r1c0r1c1|12,r0c2r0c3r1c2|15,r1c7r1c8|0,r2c0r2c1r3c0|20,r2c2r2c3r3c2r3c3|0,r1c3r1c4r2c4|0,r1c5r2c5r2c6|0,r2c7r2c8|12,r3c4r3c5|14,r3c6r3c7|23,r3c1r4c1r4c2|0,r4c3r5c3|0,r4c4r4c5r5c4r5c5|0,r4c6r4c7|0,r3c8r4c8|17,r4c0r5c0r6c0r6c1|18,r5c1r5c2r6c2|10,r5c6r5c7|0,r5c8r6c8|0,r7c1r8c1|0,r6c3r7c3|12,r6c4r7c4|9,r6c5r7c5|0,r6c6r6c7r7c6|14,r7c0r8c0|0,r7c2r8c2|0,r8c3r8c4|0,r8c5r8c6|16,r7c7r7c8r8c7r8c8", "solution": "327468195461359287958721346193275864786934512245816739539147628614582973872693451", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9432, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9433, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2014-08-05", "puzzle": "15,r0c0r0c1|7,r0c4r0c5|18,r0c6r0c7r0c8|7,r0c2r0c3r1c2|16,r1c5r1c6r2c6|15,r1c0r2c0|12,r1c1r2c1r2c2|11,r1c3r2c3|16,r1c4r2c4r2c5|15,r1c7r2c7|3,r1c8r2c8|21,r3c0r3c1r4c0|14,r3c2r3c3r3c4|3,r3c5r3c6|16,r3c7r3c8|5,r4c1r4c2|20,r4c3r4c4r4c5|5,r4c6r4c7|8,r5c0r5c1|15,r5c2r5c3|9,r5c4r5c5r5c6|19,r4c8r5c7r5c8|8,r6c0r7c0|10,r6c1r7c1|15,r6c3r6c4r7c4|9,r6c5r7c5|11,r6c6r6c7r7c7|12,r6c8r7c8|16,r6c2r7c2r7c3|20,r7c6r8c5r8c6|12,r8c0r8c1r8c2|15,r8c3r8c4|7,r8c7r8c8", "solution": "691452783852367491734819562485631279923578146176924358347296815568143927219785634", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9433, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9434, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-08-05", "puzzle": "14,r0c1r0c2r0c3|14,r0c6r0c7|13,r0c0r1c0|20,r1c1r1c2r2c2r3c2|10,r1c3r2c3|20,r0c4r1c4r2c4r2c5|8,r0c5r1c5|14,r1c6r1c7r2c7|10,r0c8r1c8|18,r2c0r2c1r3c0r3c1|11,r2c6r3c6r3c7|13,r2c8r3c8|11,r4c0r4c1|13,r4c2r4c3|11,r4c5r4c6|4,r4c7r4c8|10,r5c0r6c0|10,r5c1r5c2r6c2|33,r3c3r3c4r3c5r4c4r5c3r5c4r5c5|24,r5c7r5c8r6c7r6c8|14,r7c0r8c0|13,r6c1r7c1r7c2|9,r7c3r8c3|25,r6c3r6c4r7c4r8c4|10,r6c5r7c5|19,r5c6r6c6r7c6r7c7|9,r7c8r8c8|14,r8c1r8c2|11,r8c5r8c6r8c7", "solution": "416783952932145678587926314148357269295864731763219485321698547874532196659471823", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9434, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9435, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-08-05", "puzzle": "6,r0c0r0c1|29,r0c5r0c6r0c7r0c8|20,r1c0r1c1r2c0r2c1|15,r0c2r0c3r0c4r1c2|21,r1c3r1c4r1c5r1c6|14,r2c2r2c3|22,r2c4r2c5r2c6r3c4r4c4|5,r1c7r2c7|15,r1c8r2c8|21,r3c0r3c1r3c2r3c3r4c0|14,r3c5r3c6|12,r3c7r3c8|12,r4c1r5c1|9,r4c6r4c7|10,r4c2r5c2|13,r4c3r5c3|10,r4c5r5c4r5c5|6,r4c8r5c8|31,r5c0r6c0r6c1r7c0r7c1|8,r6c2r6c3|15,r6c4r6c5r7c4r7c5|21,r5c6r5c7r6c6r7c6|32,r6c7r6c8r7c7r7c8r8c7r8c8|13,r8c0r8c1|15,r7c2r7c3r8c2|6,r8c3r8c4|10,r8c5r8c6", "solution": "426319785195287436378645129219436857547891362683572914951723648832964571764158293", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9435, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9438, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-08-06", "puzzle": "13,r0c1r0c2r1c1|12,r0c0r1c0|12,r1c2r2c2|12,r0c3r1c3|13,r0c4r1c4|11,r0c5r1c5|18,r0c6r0c7r1c6|8,r0c8r1c7r1c8|11,r2c0r2c1r3c0|9,r2c3r2c4r2c5|19,r2c6r2c7r2c8|8,r3c1r3c2|14,r3c3r3c4|9,r3c5r3c6|11,r4c0r4c1|3,r4c2r4c3|19,r4c4r4c5r4c6|14,r3c7r4c7r5c7|16,r3c8r4c8r5c8|13,r5c1r5c2|5,r5c3r5c4|12,r5c5r5c6|19,r5c0r6c0r6c1|16,r6c3r6c4r6c5|12,r6c6r6c7r6c8|5,r7c0r8c0|13,r6c2r7c2|11,r7c3r8c3|9,r7c4r8c4|9,r7c5r8c5|11,r7c6r8c6r8c7|22,r7c7r7c8r8c8|16,r7c1r8c1r8c2", "solution": "718462935543879621269531874371684592652197348894325716926718453487253169135946287", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9438, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9440, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-08-06", "puzzle": 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"5,r0c4r0c5|15,r0c7r0c8r1c7|18,r0c0r1c0r2c0r2c1|10,r0c1r1c1|20,r0c2r0c3r1c2|14,r1c3r2c3r3c3|14,r1c4r1c5r2c5|13,r0c6r1c6|13,r2c6r2c7|8,r1c8r2c8r3c8|9,r3c1r4c1|11,r2c2r3c2r4c2|15,r2c4r3c4|13,r3c5r3c6r3c7|9,r3c0r4c0|18,r4c3r4c4r4c5|12,r4c8r5c8|10,r5c1r5c2r5c3|5,r5c4r6c4|18,r4c6r5c6r6c6|14,r4c7r5c7|19,r5c0r6c0r7c0|17,r6c1r6c2|8,r7c2r8c2|17,r6c3r7c3r7c4|11,r5c5r6c5r7c5|14,r7c6r8c5r8c6|10,r7c7r8c7|21,r6c7r6c8r7c8r8c8|10,r7c1r8c0r8c1|14,r8c3r8c4", "solution": "176523849839476521542891673785269134214738965963145287498312756627954318351687492", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9439, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9441, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-08-06", "puzzle": 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"8,r0c2r0c3|13,r0c4r0c5|18,r0c0r1c0r2c0|6,r0c1r1c1r2c1|21,r1c2r1c3r2c2|5,r1c4r1c5|11,r0c6r1c6|12,r0c7r0c8r1c7|10,r2c3r2c4|20,r2c5r2c6r2c7|11,r1c8r2c8|16,r3c0r3c1|6,r3c4r3c5r4c5|7,r3c6r3c7|15,r4c0r4c1r5c1|10,r3c2r4c2|20,r3c3r4c3r4c4|15,r4c6r4c7|6,r3c8r4c8|19,r5c3r5c4r5c5|7,r5c6r6c6|8,r5c0r6c0r6c1|5,r5c2r6c2|16,r6c3r6c4r6c5|17,r5c7r6c7|13,r5c8r6c8|21,r7c0r8c0r8c1|11,r7c1r7c2r7c3|8,r7c4r7c5|15,r7c6r7c7|23,r8c2r8c3r8c4|6,r8c5r8c6r8c7|6,r7c8r8c8", "solution": "825367419639514728417289653796821345284753961153946287342178596961435872578692134", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9443, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9444, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-08-07", "puzzle": 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"12,r0c0r0c1r1c1|13,r0c2r0c3|13,r0c6r0c7r0c8r1c7|16,r0c5r1c5r1c6|37,r1c0r2c0r3c0r4c0r4c1r5c0r5c1|18,r2c4r2c5r2c6r3c6|43,r0c4r1c2r1c3r1c4r2c1r2c2r2c3r3c1|17,r1c8r2c7r2c8r3c7|17,r3c2r4c2r5c2|5,r3c3r4c3|11,r3c4r4c4r5c4|19,r3c5r4c5r4c6|24,r3c8r4c8r5c8r6c8|12,r4c7r5c7|17,r5c5r5c6r6c5|13,r6c6r6c7|41,r5c3r6c0r6c1r6c2r6c3r6c4r7c0r7c3|12,r7c1r7c2|10,r7c4r7c5|15,r8c0r8c1|7,r8c2r8c3|10,r8c4r8c5|23,r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "375896241824751963916342758289437516537168492461925837153284679748619325692573184", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9450, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9451, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-08-08", "puzzle": "10,r0c0r0c1r1c0r1c1|17,r0c3r0c4|4,r0c5r0c6|0,r0c2r1c2|7,r1c3r1c4|0,r0c7r1c7|0,r0c8r1c8|28,r1c5r1c6r2c4r2c5r2c6|9,r2c7r2c8|15,r2c0r3c0|0,r2c1r2c2r3c1|0,r2c3r3c3|13,r3c6r3c7|0,r3c8r4c7r4c8|0,r3c2r4c2r4c3|27,r3c4r3c5r4c4r5c3r5c4|14,r4c5r4c6r5c6|0,r4c0r4c1r5c0|6,r5c1r5c2|0,r5c5r6c5|0,r5c7r6c6r6c7|10,r5c8r6c8|10,r6c0r6c1|30,r6c2r6c3r6c4r7c2r7c3|14,r7c0r8c0|9,r7c1r8c1|3,r7c4r7c5|9,r7c6r8c6|6,r8c2r8c3|0,r8c4r8c5|26,r7c7r7c8r8c7r8c8", "solution": "246981357138257964795346218824139675379865142651724839463598721587612493912473586", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9451, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9452, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-08-08", "puzzle": 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"14,r0c0r0c1|21,r0c2r0c3r0c4|5,r0c5r1c5|8,r0c6r0c7r0c8|6,r1c2r1c3|10,r1c6r1c7|13,r1c0r1c1r2c0|10,r2c1r2c2r2c3|21,r1c4r2c4r2c5|16,r2c6r2c7|11,r1c8r2c8|10,r3c2r3c3|17,r3c4r3c5r4c4|9,r3c0r4c0|16,r3c1r4c1r4c2|14,r3c6r3c7r4c6|11,r3c8r4c8|12,r5c1r5c2|16,r4c3r5c3r5c4|9,r4c5r5c5|14,r4c7r5c7r5c8|11,r5c0r6c0r6c1|18,r6c2r6c3r7c3|17,r5c6r6c6r6c7|9,r7c0r7c1r7c2|4,r6c4r7c4|14,r6c5r7c5|15,r6c8r7c8|17,r8c0r8c1|9,r8c2r8c3|9,r8c4r8c5|10,r7c6r7c7r8c6|9,r8c7r8c8", "solution": "958762341741593286263184795527346819486971532139258674374615928612839457895427163", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9478, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9479, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-08-14", "puzzle": 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"15,r0c1r0c2|17,r0c4r0c5r0c6|6,r0c0r1c0|11,r1c1r1c2|12,r0c3r1c3|10,r1c5r2c5|14,r0c7r0c8r1c7|13,r2c0r2c1r2c2|8,r1c4r2c3r2c4|16,r1c8r2c8|16,r3c0r3c1|7,r3c2r4c2r5c2|10,r3c3r3c4r4c3|11,r1c6r2c6r3c6|12,r2c7r3c7|8,r4c0r4c1|14,r3c5r4c5|22,r4c6r4c7r5c6|3,r3c8r4c8|14,r5c0r5c1|23,r6c0r6c1r7c0|13,r5c3r6c2r6c3|24,r4c4r5c4r6c4|9,r5c5r6c5r6c6|8,r5c7r6c7|7,r5c8r6c8|10,r7c2r8c2|15,r7c3r8c3|9,r7c4r7c5|7,r7c1r8c0r8c1|4,r8c4r8c5|16,r7c6r8c6|7,r7c7r8c7|14,r7c8r8c8", "solution": "178469235529813467436527189791358642354276891682194573965782314813945726247631958", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9503, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9506, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2014-08-19", "puzzle": 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"0,r0c0r0c1r0c2r1c0r1c1r2c0|0,r0c4r0c5r0c6|0,r0c3r1c3r1c4|4,r1c5r1c6|0,r0c7r0c8r1c7r1c8r2c8|0,r1c2r2c1r2c2|0,r3c0r3c1r4c1|20,r2c3r3c2r3c3|0,r2c4r3c4|13,r2c5r3c5|0,r2c6r2c7r3c6|9,r3c7r3c8|13,r4c2r4c3|25,r4c4r4c5r5c4r5c5|7,r4c7r4c8|9,r4c0r5c0r6c0|7,r5c2r5c3|17,r4c6r5c6|0,r5c7r5c8|4,r5c1r6c1|11,r6c2r6c3r7c2|10,r6c4r6c5|31,r7c0r7c1r8c0r8c1r8c2|20,r6c6r6c7r7c6r7c7|0,r7c3r8c3|0,r7c4r8c4|11,r7c5r8c5|25,r6c8r7c8r8c6r8c7r8c8", "solution": "421837596569241387873569421958724163147693852236158974615482739792315648384976215", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9507, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9508, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-08-20", "puzzle": "6,r0c1r0c2r1c1|12,r0c3r0c4r0c5|16,r0c6r0c7|15,r0c0r1c0|9,r1c4r1c5|17,r0c8r1c8r2c8|12,r2c0r2c1|20,r1c2r1c3r2c2|7,r2c3r2c4|17,r1c6r2c5r2c6|4,r1c7r2c7|11,r3c0r3c1|4,r3c4r3c5|15,r3c6r4c6r5c6|13,r3c7r3c8|5,r4c0r4c1|20,r3c2r4c2r5c2|12,r3c3r4c3r5c3|12,r4c4r4c5|10,r4c7r4c8|9,r5c0r5c1|17,r5c4r5c5|7,r5c7r5c8|12,r6c0r6c1|15,r6c2r7c2r7c3|11,r6c3r6c4|11,r6c5r6c6r7c6|14,r6c7r7c7|11,r7c0r8c0|10,r7c4r7c5|16,r6c8r7c8r8c8|16,r7c1r8c1r8c2|13,r8c3r8c4r8c5|6,r8c6r8c7", "solution": "621534978935827614487169235568213749149675382273498561754382196312946857896751423", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9508, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9505, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-08-19", "puzzle": 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"10,r0c2r0c3|24,r0c0r0c1r1c0|0,r1c1r1c2|15,r0c4r1c3r1c4|0,r0c5r1c5|0,r1c6r1c7r2c6r2c7|27,r0c6r0c7r0c8r1c8r2c8|22,r2c0r2c1r3c0r4c0|23,r2c3r2c4r2c5|0,r2c2r3c2|33,r3c3r3c4r3c5r4c5r5c5|6,r3c7r3c8|8,r3c1r4c1|0,r4c3r4c4r5c3r5c4|0,r3c6r4c6r5c6|0,r4c7r4c8r5c7|5,r4c2r5c2|0,r5c8r6c8|0,r5c0r5c1r6c0|11,r6c3r6c4|0,r6c5r6c6|7,r6c7r7c7|0,r6c1r6c2r7c1r7c2|0,r7c4r7c5|0,r7c6r8c4r8c5r8c6|13,r7c0r8c0r8c1|24,r7c3r8c2r8c3|18,r7c8r8c7r8c8", "solution": "786432195924571638351698274615387942872149356493256781147925863238764519569813427", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9511, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9513, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2014-08-21", "puzzle": "13,r0c0r0c1r0c2|14,r0c3r0c4|19,r0c6r0c7r1c6|14,r1c2r2c2|14,r1c3r1c4|3,r0c5r1c5|6,r0c8r1c8|6,r1c0r2c0|12,r1c1r2c1|11,r2c4r2c5|11,r1c7r2c7|22,r3c0r3c1r4c0|15,r2c3r3c2r3c3|5,r2c6r3c6|11,r2c8r3c7r3c8|4,r4c1r4c2|5,r4c3r5c3|8,r3c5r4c5|17,r4c6r4c7|13,r5c0r5c1r6c0|6,r5c2r6c2|19,r3c4r4c4r5c4|13,r5c5r5c6r6c5|18,r4c8r5c7r5c8|15,r6c1r7c1|7,r6c3r6c4|12,r6c7r7c7|16,r6c8r7c8|11,r7c0r8c0|7,r7c3r8c3|12,r7c4r7c5|11,r6c6r7c6|14,r7c2r8c1r8c2|15,r8c4r8c5|6,r8c6r8c7r8c8", "solution": "157862934438951762296347158965783421713425896824196375372614589581239647649578213", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9513, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9512, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-08-20", "puzzle": 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"5,r0c1r0c2|10,r0c3r0c4r1c4|30,r0c0r1c0r1c1r2c1r2c2|11,r1c2r1c3|13,r0c5r1c5|10,r0c6r1c6|29,r0c7r0c8r1c7r1c8r2c8|28,r2c0r3c0r4c0r5c0r6c0|34,r3c1r3c2r4c1r4c2r5c1r5c2|24,r2c3r3c3r4c3r5c3r6c3|17,r2c4r2c5r3c4|8,r2c6r3c6|7,r2c7r3c7r3c8|23,r3c5r4c4r4c5r4c6r5c5|13,r4c7r4c8|15,r5c4r6c4r6c5|16,r5c6r6c6|10,r5c7r5c8r6c7|21,r6c1r6c2r7c0r7c1r8c0|11,r7c2r7c3|5,r7c5r8c5|5,r7c6r8c6|31,r6c8r7c7r7c8r8c7r8c8|12,r8c1r8c2|17,r7c4r8c3r8c4", "solution": "541368297672915834839427516795681342124739685386254971918546723463872159257193468", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9515, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9514, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-08-21", "puzzle": 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"11,r0c1r0c2|18,r0c3r0c4r0c5|6,r0c0r1c0|10,r1c1r1c2|14,r1c4r1c5r2c4|16,r0c6r0c7r1c6|11,r0c8r1c8|12,r2c1r2c2|9,r1c3r2c3|14,r2c5r2c6r3c6|15,r1c7r2c7r2c8|14,r2c0r3c0|12,r3c2r3c3|5,r3c7r3c8|10,r3c1r4c0r4c1|16,r4c2r4c3r5c3|18,r3c4r4c4r5c4|15,r3c5r4c5r4c6|17,r4c7r4c8r5c7|14,r5c0r5c1|3,r5c5r5c6|15,r5c8r6c8|13,r6c0r6c1r7c1|13,r5c2r6c2r6c3|15,r6c5r7c5|7,r6c6r6c7|6,r7c0r8c0|19,r7c2r8c1r8c2|12,r6c4r7c3r7c4|7,r7c6r7c7|11,r7c8r8c8|16,r8c3r8c4r8c5|11,r8c6r8c7", "solution": "238576914491823657675194382823965741716342895954781236347258169169437528582619473", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9518, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9517, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2014-08-21", "puzzle": 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"15,r0c4r0c5r0c6|21,r0c0r0c1r1c0r1c1r2c1|24,r0c2r0c3r1c2r1c3|9,r1c5r1c6|15,r0c7r0c8r1c7|11,r2c2r2c3|19,r1c4r2c4r3c4|18,r2c5r2c6r3c5r3c6|11,r1c8r2c8|6,r2c0r3c0|8,r3c1r3c2r3c3|16,r2c7r3c7|14,r4c0r5c0|36,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|11,r3c8r4c8|11,r5c1r6c1|13,r5c5r5c6r5c7|9,r5c8r6c8|11,r6c0r7c0|23,r5c2r5c3r6c2r6c3|7,r5c4r6c4r7c4|15,r6c5r6c6|22,r7c1r8c0r8c1|8,r7c2r7c3|19,r7c5r7c6r8c5r8c6|21,r6c7r7c7r7c8r8c7r8c8|12,r8c2r8c3r8c4", "solution": "785392461139764582426581379243156897517839624968247153354928716872613945691475238", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9519, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9521, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2014-08-22", "puzzle": "14,r0c0r0c1|0,r0c2r0c3|9,r0c4r0c5|0,r1c0r1c1|4,r1c2r1c3|3,r0c6r1c6|30,r0c7r0c8r1c7r1c8|13,r2c2r2c3|22,r1c4r1c5r2c4|0,r2c5r2c6r3c5r3c6|9,r2c7r2c8|0,r2c0r3c0|14,r2c1r3c1|0,r3c2r3c3|11,r3c8r4c8|0,r4c0r4c1r5c1|12,r4c3r5c3r5c4|0,r3c4r4c4r4c5|16,r3c7r4c6r4c7|14,r4c2r5c2|10,r5c5r6c5|17,r5c6r6c6|0,r5c7r6c7|0,r5c8r6c8|8,r5c0r6c0|13,r6c1r6c2r7c2|11,r6c3r6c4|0,r7c0r7c1r8c0r8c1|15,r7c3r7c4r8c4|0,r7c5r7c6|0,r7c7r8c7|4,r7c8r8c8|0,r8c2r8c3|10,r8c5r8c6", "solution": "953427186641385279287691345864239517325178694719564832132746958578912463496853721", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9521, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9520, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-08-22", "puzzle": 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"4,r0c1r0c2|0,r0c0r1c0r2c0r2c1|20,r1c1r1c2r2c2|16,r0c3r1c3|18,r0c4r0c5r0c6r1c4|20,r0c7r0c8r1c7r1c8|0,r2c3r2c4|0,r1c6r2c6r2c7|12,r3c0r3c1r4c0|9,r3c2r3c3|25,r1c5r2c5r3c5r3c6r3c7|20,r4c1r4c2r4c3r5c1|0,r3c4r4c4r4c5|0,r4c6r5c6|0,r2c8r3c8r4c7r4c8|10,r5c2r5c3r6c3|3,r5c5r6c5|10,r5c7r5c8|0,r5c0r6c0|0,r5c4r6c4r7c3r7c4|0,r6c6r6c7r7c7|12,r6c8r7c8|26,r6c1r6c2r7c1r7c2|19,r7c5r8c4r8c5|6,r7c0r8c0r8c1|5,r8c2r8c3|26,r7c6r8c6r8c7r8c8", "solution": "631945872249718365587623194416397258752486931893251746968572413175834629324169587", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9531, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9533, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2014-08-25", "puzzle": 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"23,r0c0r0c1r1c0|8,r0c4r0c5|13,r0c6r0c7|12,r0c2r1c1r1c2|16,r0c3r1c3r1c4|11,r1c5r1c6|10,r0c8r1c8r2c8|6,r2c0r2c1|11,r2c2r2c3r3c2|23,r2c4r2c5r2c6|7,r1c7r2c7|20,r3c0r3c1r4c0|8,r3c5r3c6|9,r3c7r3c8|9,r4c1r4c2|18,r3c4r4c4r5c4|18,r4c7r4c8r5c7|5,r5c0r5c1|18,r3c3r4c3r5c3|6,r4c5r4c6r5c5|16,r5c2r6c1r6c2|20,r6c5r7c5r7c6|5,r5c6r6c6|18,r5c8r6c7r6c8|7,r6c0r7c0r8c0|7,r6c3r7c3|15,r6c4r7c4|11,r7c1r8c1|17,r7c2r8c2|11,r8c3r8c4r8c5|18,r7c7r8c6r8c7|9,r7c8r8c8", "solution": "693417582872935641514268937745396218981742365326851479237689154459173826168524793", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9538, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9537, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-08-25", "puzzle": 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"24,r0c0r0c1r0c2r1c0|25,r0c6r0c7r0c8r1c8|31,r0c3r0c4r0c5r1c3r1c4r1c5|18,r1c1r1c2r2c1r2c2r2c3|28,r1c6r1c7r2c5r2c6r2c7|12,r2c0r3c0r4c0|16,r3c2r3c3r4c3r5c3|11,r2c4r3c4|24,r3c5r3c6r4c5r5c5|8,r2c8r3c8r4c8|8,r3c1r4c1|17,r3c7r4c7|14,r5c0r5c1|14,r4c2r5c2|4,r4c4r5c4|7,r4c6r5c6|9,r5c7r5c8|20,r6c0r6c1r6c2r6c3|18,r6c5r6c6r6c7r6c8|18,r7c1r7c2r7c3r8c1|17,r6c4r7c4r8c4|19,r7c5r7c6r7c7r8c7|16,r7c0r8c0|9,r8c2r8c3|5,r8c5r8c6|13,r7c8r8c8", "solution": "397451268521786439684329751213697584475218693869534172146973825732845916958162347", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9545, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9546, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2014-08-27", "puzzle": 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"8,r0c0r0c1r0c2|22,r0c4r0c5r0c6|14,r0c7r0c8r1c8|15,r1c0r1c1r1c2|5,r0c3r1c3|16,r1c6r1c7r2c7|12,r2c2r2c3|10,r1c4r2c4|21,r2c0r2c1r3c0|6,r3c1r3c2|22,r1c5r2c5r2c6r3c6r3c7|18,r2c8r3c8r4c8|45,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4r5c5|13,r4c6r4c7|16,r4c0r5c0r6c0|4,r5c6r6c6|7,r5c7r5c8|22,r4c1r4c2r5c1r6c1|17,r5c2r6c2r6c3|12,r6c5r7c5|19,r6c4r7c2r7c3r7c4|15,r6c7r7c7r8c7|18,r6c8r7c8r8c8|17,r7c0r7c1r8c0r8c1|19,r8c2r8c3r8c4|12,r7c6r8c5r8c6", "solution": "314259876762348591985761423451972638238516947679834152847125369593687214126493785", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9575, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9576, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-09-02", "puzzle": "9,r0c2r0c3|8,r0c5r0c6|0,r0c0r0c1r1c0|17,r1c1r1c2r2c1|0,r0c4r1c4|14,r1c6r1c7r2c7|22,r0c7r0c8r1c8|0,r1c3r2c3|9,r1c5r2c5|15,r2c0r3c0r3c1|16,r2c2r3c2|0,r2c4r3c4r4c4|12,r2c6r3c6|6,r2c8r3c7r3c8|0,r3c3r4c3|0,r3c5r4c5|18,r4c0r4c1r4c2r5c0|9,r5c1r5c2|16,r5c3r5c4r5c5|0,r5c6r5c7|24,r4c6r4c7r4c8r5c8|4,r6c0r6c1|29,r6c2r6c3r6c4r6c5r6c6|0,r6c7r6c8|0,r7c0r7c1r7c2|18,r7c3r7c4r7c5|0,r7c6r7c7r7c8|0,r8c0r8c1|22,r8c2r8c3r8c4r8c5r8c6|8,r8c7r8c8", "solution": "921845376354167289687932541549618723218473695763529814136284957492756138875391462", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9576, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9577, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2014-09-02", "puzzle": 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"6,r0c0r0c1|9,r0c3r0c4r1c3|8,r0c5r0c6|16,r0c7r0c8|13,r0c2r1c2|13,r1c6r1c7r1c8|15,r1c0r2c0|4,r1c1r2c1|14,r2c2r2c3r3c3|20,r1c4r2c4r3c4|14,r1c5r2c5|16,r3c0r3c1|7,r2c6r3c5r3c6|14,r2c7r3c7r4c7|14,r2c8r3c8|11,r3c2r4c2r5c2|5,r4c5r4c6|16,r4c0r4c1r5c0|14,r4c3r5c3|14,r4c4r5c4r6c4|11,r5c5r5c6|12,r4c8r5c8|8,r5c1r6c0r6c1|9,r6c2r6c3|9,r6c5r7c4r7c5|23,r5c7r6c6r6c7|18,r7c0r7c1r8c0|17,r7c2r7c3r8c3|12,r6c8r7c7r7c8|16,r8c1r8c2|11,r8c4r8c5|13,r7c6r8c6|3,r8c7r8c8", "solution": "248163579635279841917485236796354128584612397321897465152746983863921754479538612", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9598, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9601, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-09-07", "puzzle": 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"16,r0c2r0c3r1c3|17,r0c5r0c6r1c5|12,r0c0r0c1r1c0|11,r0c4r1c4|21,r0c7r0c8r1c8|15,r1c1r2c0r2c1|12,r1c2r2c2|12,r2c3r2c4r2c5|5,r1c6r2c6|14,r1c7r2c7r2c8|12,r3c2r3c3|3,r3c5r3c6|20,r3c0r4c0r5c0|15,r3c1r4c1|11,r3c4r4c4|10,r3c7r4c7|11,r3c8r4c8r5c8|6,r4c2r4c3r5c2|20,r5c3r5c4r5c5|20,r4c5r4c6r5c6|17,r5c1r6c1r6c2|7,r6c4r7c4|20,r5c7r6c6r6c7|14,r6c0r7c0r8c0|10,r6c3r7c3|7,r6c5r7c5|18,r6c8r7c8r8c8|6,r7c1r8c1|10,r7c2r8c2|21,r8c3r8c4r8c5|9,r7c6r8c6|3,r7c7r8c7", "solution": "196324578245798136837516492974851263581263947623479851369142785718935624452687319", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9603, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9599, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-09-07", "puzzle": "8,r0c1r0c2|21,r0c7r0c8r1c8|17,r0c0r1c0r2c0r3c0|13,r0c3r0c4r1c3|16,r0c5r0c6r1c4r1c5|12,r1c1r2c1|12,r1c2r2c2|10,r2c3r2c4|15,r1c6r1c7r2c6r2c7|9,r3c2r3c3|24,r2c5r3c4r3c5r3c6r4c5|22,r2c8r3c7r3c8r4c7|16,r3c1r4c1|17,r4c3r4c4r5c4|16,r4c6r5c6|13,r4c0r5c0|17,r5c5r6c5|7,r4c8r5c7r5c8|21,r4c2r5c2r5c3r6c3r6c4|7,r6c6r6c7|5,r6c8r7c8|43,r5c1r6c0r6c1r6c2r7c1r7c2r7c3r8c2|9,r7c4r7c5|13,r7c6r7c7|9,r7c0r8c0r8c1|7,r8c3r8c4|26,r8c5r8c6r8c7r8c8", "solution": "926834175187265349345917268492751836871623954563498721734589612658172493219346587", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9599, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9600, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-09-07", "puzzle": 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"15,r0c2r0c3r0c4|14,r0c6r0c7|7,r0c0r1c0|15,r0c1r1c1r1c2|9,r1c3r1c4|15,r0c5r1c5r2c5|14,r1c6r1c7|6,r0c8r1c8|21,r2c1r2c2r2c3r3c1|11,r2c6r2c7r2c8|21,r2c0r3c0r4c0r5c0|13,r3c3r4c3|31,r2c4r3c4r3c5r3c6r4c4|33,r3c2r4c1r4c2r5c1r5c2r6c2|18,r3c7r3c8r4c7r4c8|6,r5c3r5c4r6c3|12,r4c5r4c6r5c5|18,r5c6r5c7r6c7|27,r6c0r6c1r7c0r8c0r8c1|12,r6c5r6c6|13,r5c8r6c8r7c8|18,r7c1r7c2r7c3r8c2|18,r6c4r7c4r7c5|7,r7c6r7c7|6,r8c3r8c4|8,r8c5r8c6|17,r8c7r8c8", "solution": "678431952135729864924685173592873416417596238386214795869347521251968347743152689", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9605, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9607, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-09-08", "puzzle": 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"13,r0c2r0c3|4,r0c0r1c0|16,r0c1r1c1r1c2|6,r0c4r1c4|27,r0c5r0c6r1c5r1c6|21,r0c7r0c8r1c7r1c8|14,r2c0r2c1|13,r1c3r2c3r3c3|26,r2c4r2c5r2c6r3c5r3c6r4c6|17,r3c0r3c1r4c0|6,r2c2r3c2|13,r2c7r2c8r3c7r3c8|14,r3c4r4c4r4c5|11,r4c7r4c8|10,r4c1r5c1|11,r4c2r5c2|19,r4c3r5c3r5c4|15,r5c5r5c6r5c7|15,r5c8r6c8|7,r5c0r6c0|9,r6c3r6c4|16,r6c5r6c6|38,r6c1r6c2r7c0r7c1r7c2r8c0r8c1|11,r7c3r7c4|14,r7c5r8c4r8c5|9,r7c6r8c6|14,r6c7r7c7r7c8|7,r8c2r8c3|9,r8c7r8c8", "solution": "357618924129354687864972351672195843498723165513486279281549736746831592935267418", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9609, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9608, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2014-09-09", "puzzle": 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"0,r0c1r0c2|0,r0c3r0c4r0c5r1c4|9,r0c6r0c7|0,r0c0r1c0r1c1|0,r1c2r1c3|12,r1c5r1c6|14,r0c8r1c7r1c8|21,r2c2r2c3r2c4r2c5r2c6|25,r2c0r2c1r3c0r4c0|25,r3c2r3c3r3c4r3c5r3c6|0,r2c7r2c8r3c8r4c8|4,r3c1r4c1|0,r4c2r4c3|9,r4c5r4c6|10,r3c7r4c7|6,r5c0r5c1|15,r5c2r5c3r6c3|0,r4c4r5c4|0,r5c5r5c6r6c5|9,r5c7r5c8|0,r6c0r6c1r6c2|15,r6c6r6c7r6c8|22,r6c4r7c3r7c4r7c5r8c4|6,r7c0r8c0|17,r7c1r7c2r8c1|11,r8c2r8c3|10,r8c5r8c6|16,r7c6r7c7r8c7|10,r7c8r8c8", "solution": "346518279758269341291437685817643592639852714425791836974325168563184927182976453", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9611, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9616, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2014-09-10", "puzzle": "0,r0c0r0c1|0,r0c3r0c4|11,r0c5r0c6|15,r1c0r1c1r2c0|0,r0c2r1c2|0,r1c3r1c4r1c5|30,r0c7r0c8r1c7r1c8r2c7r2c8|0,r2c1r2c2|15,r2c3r2c4|0,r1c6r2c6|13,r3c0r3c1r3c2r3c3|26,r2c5r3c4r3c5r3c6|15,r3c8r4c8r5c8|24,r4c0r4c1r4c2|7,r4c3r4c4|0,r4c5r4c6|8,r3c7r4c7r5c7|15,r5c0r5c1r5c2r5c3|22,r5c4r5c5r5c6r6c5|10,r6c1r6c2|9,r6c3r6c4|7,r6c6r7c6|16,r6c0r7c0r7c1|5,r7c2r8c2|0,r7c3r7c4r7c5|0,r6c7r6c8r7c7r7c8r8c7r8c8|0,r8c0r8c1|0,r8c3r8c4|8,r8c5r8c6", "solution": "765943821248516379931782456124678935897435612356129748519364287472891563683257194", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9616, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9613, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-09-10", "puzzle": "12,r0c0r0c1r1c0|17,r0c3r0c4r1c4|5,r0c5r0c6|15,r0c2r1c1r1c2|14,r0c7r1c7|13,r0c8r1c8|12,r2c0r2c1|10,r1c3r2c3r2c4|15,r1c5r2c5|6,r1c6r2c6|10,r2c7r2c8|8,r2c2r3c2|9,r3c3r3c4|14,r3c5r3c6|14,r3c0r4c0r5c0|23,r3c1r4c1r5c1|9,r4c2r4c3|15,r4c4r4c5r4c6|7,r3c7r4c7r5c7|10,r5c2r6c2|12,r5c3r5c4|13,r5c5r5c6|16,r3c8r4c8r5c8|8,r6c0r6c1|14,r6c3r6c4r7c3|12,r6c5r7c5|11,r6c6r7c6|7,r6c7r6c8|14,r7c1r7c2r8c2|16,r7c7r8c7|7,r7c8r8c8|14,r7c0r8c0r8c1|18,r7c4r8c3r8c4|5,r8c5r8c6", "solution": "917853264253746189846219537762185943395462718481397625179634852624578391538921476", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9613, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9614, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-09-10", "puzzle": 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"12,r0c1r0c2|9,r0c6r0c7|9,r0c0r1c0|19,r1c1r1c2r2c1|24,r0c3r0c4r0c5r1c3r1c5|15,r1c6r1c7r2c7|10,r0c8r1c8|12,r2c2r2c3r3c2r3c3|16,r1c4r2c4r3c4|26,r2c5r2c6r3c5r3c6|9,r2c0r3c0|10,r2c8r3c8|17,r3c1r4c0r4c1|21,r3c7r4c7r4c8|12,r5c0r5c1|12,r4c2r4c3r5c2|24,r4c4r5c3r5c4r5c5r6c4|7,r4c5r4c6r5c6|10,r5c7r5c8|26,r6c1r6c2r6c3r7c2|19,r6c5r6c6r6c7r7c6|7,r6c0r7c0|16,r7c3r7c4r7c5|12,r6c8r7c8|12,r7c1r8c0r8c1|29,r8c2r8c3r8c4r8c5r8c6|10,r7c7r8c7r8c8", "solution": "157428369846793521392165487624519873781634295935287146563942718218376954479851632", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9615, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9618, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2014-09-11", "puzzle": 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"12,r0c1r0c2r0c3|13,r0c4r0c5r0c6|17,r0c0r1c0|8,r1c2r1c3r2c2|22,r1c5r2c5r2c6|12,r0c7r1c6r1c7|13,r0c8r1c8|17,r1c1r2c0r2c1|4,r1c4r2c4|12,r2c7r2c8r3c7|8,r3c0r3c1|23,r2c3r3c3r3c4|10,r3c5r3c6|6,r4c0r4c1|20,r3c2r4c2r5c2|10,r4c3r4c4|8,r3c8r4c8|18,r5c0r5c1r6c1|16,r5c3r5c4r6c4|3,r4c5r5c5|16,r4c6r5c6r6c6|23,r4c7r5c7r6c7|21,r6c5r7c5r8c5|12,r5c8r6c8|7,r6c0r7c0r8c0|10,r6c2r6c3r7c2|8,r7c3r7c4|10,r7c6r8c6|22,r7c1r8c1r8c2|11,r8c3r8c4|10,r7c7r8c7|3,r7c8r8c8", "solution": "932784156865219347741635829624893715517462983389571264273146598196358472458927631", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9628, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9629, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2014-09-13", "puzzle": "21,r0c0r0c1r0c2r1c0r2c0|30,r0c5r0c6r0c7r0c8|24,r1c1r1c2r2c1r2c2|10,r0c3r0c4r1c3|16,r1c6r1c7r1c8|8,r1c4r2c4|10,r1c5r2c5|6,r2c6r2c7|10,r3c0r3c1r4c0|18,r2c3r3c2r3c3|10,r3c5r3c6r3c7|16,r2c8r3c8r4c8|15,r4c1r4c2|13,r3c4r4c3r4c4|10,r4c5r4c6|12,r4c7r5c7|8,r5c1r5c2|21,r5c0r6c0r7c0r8c0|18,r6c1r7c1r8c1|21,r5c3r6c3r7c3|5,r5c4r6c4|21,r5c5r5c6r6c5|12,r6c6r6c7r7c6r7c7|5,r5c8r6c8|13,r6c2r7c2|10,r7c4r7c5|11,r8c2r8c3r8c4|11,r8c5r8c6|20,r7c8r8c7r8c8", "solution": "142359876587216493936874512714685239269143785853927641695738124428591367371462958", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9629, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9630, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-09-13", "puzzle": "11,r0c2r0c3|10,r0c4r0c5|7,r0c0r1c0|17,r0c1r1c1r1c2|15,r1c3r2c2r2c3|11,r1c4r2c4|19,r1c5r2c5r2c6r3c6r3c7|41,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|11,r2c0r3c0|21,r2c1r3c1r3c2r3c3|13,r3c4r3c5r4c4r4c5|11,r3c8r4c8|13,r4c0r4c1|12,r4c6r4c7|6,r5c1r5c2|27,r4c2r4c3r5c3r5c4r6c4|19,r5c6r5c7r6c6|9,r5c8r6c8|10,r5c0r6c0|12,r6c1r6c2r7c2|16,r6c3r7c3|17,r7c0r7c1r8c0r8c1|7,r7c4r8c4|27,r5c5r6c5r7c5r7c6|12,r6c7r7c7r7c8|8,r8c2r8c3|11,r8c5r8c6|12,r8c7r8c8", "solution": "485691372372485169619237485593864217768512934124379658956743821231958746847126593", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9630, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9631, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-09-13", "puzzle": "14,r0c2r0c3r1c3|0,r0c5r0c6r0c7|30,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|9,r0c4r1c4|0,r1c5r1c6|13,r0c8r1c8r2c8|16,r2c3r2c4r2c5|0,r1c7r2c6r2c7|16,r2c0r3c0r3c1|0,r3c2r4c2r5c2|5,r3c6r3c7|11,r4c0r4c1|17,r3c3r3c4r4c3r4c4|12,r3c5r4c5|9,r4c6r4c7|0,r3c8r4c8|0,r5c3r5c4|18,r5c5r5c6r6c5|10,r5c7r5c8|0,r5c0r6c0r7c0|0,r5c1r6c1|19,r6c6r6c7r6c8r7c6r8c6|0,r6c2r7c1r7c2|6,r6c3r7c3|0,r6c4r7c4|6,r7c5r8c5|26,r7c7r7c8r8c7r8c8|0,r8c0r8c1r8c2|12,r8c3r8c4", "solution": "439256817187349652652781934378625149924817365561493728293568471846172593715934286", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9631, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9632, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-09-13", "puzzle": "0,r0c0r0c1r0c2|11,r0c3r0c4|0,r0c5r0c6|0,r1c0r1c1|0,r0c7r1c7|15,r0c8r1c8|15,r2c0r2c1r3c0|0,r1c2r2c2|34,r1c3r1c4r1c5r1c6r2c3r2c4r2c5|0,r2c6r3c6|0,r2c7r2c8|0,r3c1r3c2|0,r3c3r3c4|0,r4c2r4c3r5c3|0,r3c5r4c5|0,r3c7r4c6r4c7|0,r3c8r4c8|21,r4c0r5c0r6c0r7c0r7c1|10,r4c1r5c1r5c2|0,r4c4r5c4|0,r5c7r5c8|16,r6c1r6c2r6c3r7c3|14,r5c5r5c6r6c5r6c6|22,r6c4r7c4r7c5|30,r6c7r6c8r7c6r7c7|13,r8c0r8c1|14,r7c2r8c2|13,r8c3r8c4r8c5|5,r8c6r8c7|8,r7c8r8c8", "solution": "514928736376541829928736514497813652631259478852674391183495267245167983769382145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9632, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9633, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-09-14", "puzzle": "16,r0c0r0c1r1c0|14,r0c8r1c7r1c8|9,r1c1r2c1|11,r0c2r1c2|16,r0c3r1c3|15,r0c4r0c5r1c4|19,r1c5r2c5r2c6|9,r0c6r0c7r1c6|6,r2c2r2c3r2c4|16,r2c0r3c0|7,r3c2r3c3|13,r3c4r4c4|15,r3c5r4c5|16,r2c7r2c8r3c7|12,r3c1r4c0r4c1|11,r4c2r4c3|13,r3c6r4c6|7,r3c8r4c7r4c8|13,r5c0r5c1r5c2|14,r5c4r5c5r5c6|23,r5c7r5c8r6c7|8,r6c1r6c2|9,r5c3r6c3|12,r6c8r7c8|7,r6c0r7c0|7,r7c1r7c2|15,r6c4r7c3r7c4|15,r6c5r7c5r8c5|14,r8c0r8c1|16,r8c2r8c3r8c4|13,r6c6r7c6r8c6|14,r7c7r8c7r8c8", "solution": "198752346653984217742316985985247631316598724427163598571829463234671859869435172", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9633, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9634, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-09-14", "puzzle": 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"14,r0c1r0c2|19,r0c3r0c4r1c3r1c4|13,r0c0r1c0|9,r1c1r1c2|13,r0c5r1c5|8,r0c6r1c6|16,r0c8r1c8r2c8|26,r2c0r2c1r2c2r2c3r3c0r3c1|32,r0c7r1c7r2c4r2c5r2c6r2c7|7,r3c4r3c5|4,r4c0r4c1|11,r3c2r3c3r4c2|36,r4c5r4c6r5c5r5c6r5c7r6c6r7c6|34,r3c6r3c7r3c8r4c7r4c8r5c8|22,r5c0r5c1r6c0|17,r4c3r5c2r5c3|34,r4c4r5c4r6c4r7c4r8c4r8c5|14,r6c1r6c2r6c3|5,r6c5r7c5|26,r6c7r6c8r7c7r7c8r8c8|30,r7c0r7c1r7c2r8c0r8c1r8c2|5,r7c3r8c3|10,r8c6r8c7", "solution": "468915723927638154351274869782361945136549287594827631843792516675183492219456378", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9730, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9731, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-10-03", "puzzle": "10,r0c1r0c2r0c3|14,r0c4r0c5|10,r0c7r0c8|0,r0c0r1c0r2c0|0,r1c3r1c4r1c5r2c3|16,r0c6r1c6|0,r1c1r2c1|13,r1c2r2c2|15,r1c7r1c8r2c7|15,r3c2r3c3|0,r2c4r2c5r2c6r3c4|0,r3c6r3c7|18,r2c8r3c8r4c8r5c8r6c8|9,r4c3r4c4|0,r3c5r4c5r5c5|12,r4c6r4c7|0,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|3,r5c2r5c3|0,r5c4r6c4r6c5r6c6|0,r5c6r5c7|0,r6c1r7c1|0,r6c2r7c2|16,r6c7r7c7r7c8|18,r6c0r7c0r8c0|16,r6c3r7c3r7c4r7c5|10,r7c6r8c6|14,r8c1r8c2r8c3|11,r8c4r8c5|13,r8c7r8c8", "solution": "463159728175328964298764153357896412826541397941237685689472531732615849514983276", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9731, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9733, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-10-04", "puzzle": 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"17,r0c0r0c1|20,r0c2r0c3r0c4r1c2|9,r0c5r0c6|13,r1c3r1c4|5,r1c5r1c6|18,r0c7r0c8r1c7r1c8|41,r1c0r1c1r2c0r2c1r2c2r2c3r3c2r4c2|17,r2c4r2c5r2c6|12,r2c7r2c8|7,r3c0r3c1|12,r3c3r3c4|9,r3c5r3c6|6,r4c0r4c1|13,r4c3r4c4|15,r4c5r4c6r5c6|21,r3c7r3c8r4c7r5c7|18,r5c0r5c1r6c1|7,r5c4r5c5r6c4|13,r4c8r5c8|15,r5c2r5c3r6c2r6c3r7c3|13,r6c6r6c7|13,r6c0r7c0|5,r7c1r7c2|22,r6c5r7c4r7c5|15,r6c8r7c8r8c7r8c8|13,r8c0r8c1|16,r8c2r8c3r8c4|20,r7c6r7c7r8c5r8c6", "solution": "986374512174852369325619784618935427249768135753241698861527943532496871497183256", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9734, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9735, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-10-04", "puzzle": 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"14,r0c4r0c5|8,r0c6r0c7|28,r0c0r0c1r0c2r1c0r2c0|9,r0c3r1c3r1c4|14,r0c8r1c7r1c8|17,r1c1r1c2r2c1r2c2|19,r1c5r1c6r2c4r2c5|21,r3c0r3c1r4c1|21,r2c3r3c2r3c3|20,r2c6r2c7r2c8r3c6r3c7|30,r3c4r3c5r4c3r4c4r5c3|14,r4c5r4c6r4c7|11,r3c8r4c8|8,r4c0r5c0|17,r4c2r5c1r5c2r6c1|15,r5c7r5c8|23,r6c2r6c3r7c2r7c3r8c2|20,r5c4r6c4r7c4|10,r5c5r5c6r6c5r6c6|12,r6c7r6c8|9,r6c0r7c0|12,r7c6r8c6|10,r7c1r8c0r8c1|10,r8c3r8c4|14,r7c5r8c5|19,r7c7r7c8r8c7r8c8", "solution": "954368712782514639316927845845796123691432578237851496569173284473285961128649357", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9745, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9747, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-10-06", "puzzle": 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"11,r0c0r1c0|29,r0c1r0c2r0c3r0c4r0c5r1c1|14,r1c3r1c4|5,r0c6r1c6|9,r0c7r1c7|24,r0c8r1c8r2c8r3c8|11,r2c0r2c1|7,r1c2r2c2|13,r1c5r2c5r3c5|10,r3c0r4c0|11,r3c1r3c2r4c1|11,r2c3r3c3|10,r2c4r3c4|13,r2c6r3c6|9,r2c7r3c7|28,r4c2r4c3r4c4r4c5r4c6|10,r5c1r6c1|12,r5c2r6c2|9,r5c4r6c4|10,r5c5r6c5|22,r4c7r5c6r5c7|4,r4c8r5c8|8,r5c3r6c3r7c3|16,r6c6r7c6|8,r6c7r6c8|17,r5c0r6c0r7c0r8c0|12,r7c1r8c1|9,r7c2r8c2|8,r7c4r7c5|33,r7c7r8c3r8c4r8c5r8c6r8c7|12,r7c8r8c8", "solution": "861742359395861247742593816437619582619258473528374691984126735176435928253987164", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9819, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9818, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2014-10-21", "puzzle": 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"25,r0c0r0c1r0c2r1c0r2c0|20,r0c5r0c6r0c7|23,r0c3r0c4r1c3r1c4|28,r1c5r1c6r1c7r2c6r2c7r2c8|7,r0c8r1c8|20,r1c1r1c2r2c1r2c2|9,r2c3r2c4|18,r3c0r3c1r4c0r4c1|9,r2c5r3c5|10,r3c6r3c7|12,r3c2r4c2|9,r3c3r3c4r4c3|9,r3c8r4c8|16,r5c2r5c3|13,r4c4r4c5r5c4|35,r4c6r5c5r5c6r6c4r6c5r6c6|18,r4c7r5c7r6c7|15,r5c0r6c0r7c0|30,r5c1r6c1r6c2r7c1r7c2r8c2|13,r5c8r6c8|7,r6c3r7c3|17,r7c4r7c5r7c6|8,r8c0r8c1|8,r8c3r8c4|8,r8c5r8c6|18,r7c7r7c8r8c7r8c8", "solution": "752469831394851276816723459583246917149375682267918345435192768971684523628537194", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9820, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9822, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-10-21", "puzzle": "0,r0c0r0c1|0,r0c2r0c3|13,r0c4r0c5|0,r0c6r0c7|19,r1c0r1c1r2c1|0,r1c2r2c2r2c3|6,r1c3r1c4|14,r1c5r1c6|21,r0c8r1c7r1c8r2c8|0,r2c5r2c6|0,r2c0r3c0|8,r3c1r3c2|0,r3c5r3c6|0,r2c7r3c7|0,r3c8r4c8|0,r4c1r4c2|11,r3c3r4c3|0,r4c5r5c5|0,r4c6r4c7|0,r4c0r5c0|8,r5c1r6c1|14,r5c2r5c3|26,r2c4r3c4r4c4r5c4r6c4|0,r5c6r5c7|0,r5c8r6c8|15,r6c2r6c3|19,r6c0r7c0r7c1r8c0|14,r7c2r7c3|0,r7c4r7c5|21,r6c5r6c6r7c6|14,r6c7r7c7r7c8|12,r8c1r8c2|3,r8c3r8c4|0,r8c5r8c6|11,r8c7r8c8", "solution": "816394275372158694594672813453729168781463529269581437627835941135946782948217356", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9822, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9823, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-10-22", "puzzle": "17,r0c0r0c1r0c2|14,r0c6r0c7r0c8|14,r1c1r1c2r2c1|9,r0c3r1c3|12,r0c4r1c4|9,r0c5r1c5|10,r1c6r1c7r2c7|13,r1c0r2c0|10,r2c2r2c3|7,r2c4r3c4|8,r2c5r2c6|15,r1c8r2c8|15,r3c0r3c1|7,r3c7r3c8|4,r4c0r4c1|15,r3c2r4c2|9,r3c3r4c3|8,r3c5r4c5|17,r3c6r4c6|10,r4c7r4c8|7,r5c0r5c1|10,r5c2r5c3|19,r4c4r5c4r6c4|10,r5c5r5c6|10,r5c7r5c8|13,r6c1r6c2|5,r6c6r6c7|14,r6c0r7c0r8c0|10,r6c3r7c3|7,r7c4r8c4|12,r6c5r7c5|16,r6c8r7c8r8c8|15,r7c1r7c2r8c1|5,r8c2r8c3|12,r8c5r8c6|17,r7c6r7c7r8c7", "solution": "548176392692853417731942658876431925319527864254689173185794236927368541463215789", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9823, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9827, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-10-22", "puzzle": "0,r0c0r0c1r1c0r2c0|9,r0c3r0c4r1c3|20,r0c5r0c6r0c7|8,r0c2r1c1r1c2|16,r1c4r1c5|18,r1c6r1c7r2c6|11,r0c8r1c8|0,r2c2r2c3|0,r2c1r3c0r3c1|0,r3c3r4c3r5c3|7,r2c4r3c4|13,r2c5r3c5|14,r3c8r4c8r5c8|0,r4c0r4c1|5,r4c4r4c5|16,r3c6r4c6r5c6|0,r5c0r5c1r6c1|14,r3c2r4c2r5c2|0,r5c4r6c4|0,r5c5r6c5|30,r2c7r2c8r3c7r4c7r5c7r6c7r6c8|0,r6c2r6c3|0,r7c1r7c2r8c2|0,r7c4r7c5|0,r6c6r7c6r7c7|0,r7c8r8c8|17,r6c0r7c0r8c0r8c1|0,r7c3r8c3r8c4|0,r8c5r8c6r8c7", "solution": "264318579831597462597624813486759321975132648123486795349871256652943187718265934", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9827, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9826, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-10-22", "puzzle": "16,r0c3r0c4|0,r0c5r0c6|27,r0c0r0c1r1c0r1c1|12,r0c2r1c2|0,r1c3r1c4r1c5r2c4|27,r0c7r1c6r1c7r2c7r2c8|0,r0c8r1c8|5,r2c0r2c1|15,r2c5r2c6|0,r2c2r2c3r3c2r3c3|0,r3c4r3c5r3c6r3c7r3c8|8,r3c0r4c0|24,r3c1r4c1r4c2r5c1|21,r4c3r5c3r6c3r7c3r8c3|15,r4c4r4c5r5c4|0,r4c6r4c7|8,r5c5r5c6r6c5|0,r4c8r5c7r5c8|12,r5c0r6c0|15,r5c2r6c2|12,r6c4r7c4|20,r6c1r7c0r7c1r7c2r8c2|15,r6c6r6c7r7c6r7c7|30,r6c8r7c8r8c6r8c7r8c8|0,r8c0r8c1|13,r7c5r8c4r8c5", "solution": "564798213978321564231546978183967452752134896496285137819672345347859621625413789", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9826, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9824, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-10-22", "puzzle": 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"11,r0c2r0c3|18,r0c5r0c6r1c5|20,r0c0r0c1r1c0|11,r1c1r1c2r2c1|9,r0c4r1c4r2c4|15,r0c7r1c6r1c7|5,r0c8r1c8|36,r2c5r2c6r2c7r2c8r3c6r4c6r5c6|9,r2c0r3c0|33,r1c3r2c2r2c3r3c1r3c2r3c3|13,r3c7r3c8|15,r4c0r4c1r4c2|17,r4c7r4c8r5c7|42,r3c4r3c5r4c3r4c4r4c5r5c3r5c4r5c5|12,r5c0r5c1r6c0|32,r5c2r6c2r6c3r6c4r6c5r7c2r8c2|10,r6c6r6c7r7c6|13,r5c8r6c8|21,r6c1r7c0r7c1|18,r7c7r7c8r8c7r8c8|10,r8c0r8c1|5,r7c3r8c3|17,r7c4r7c5r8c4|13,r8c5r8c6", "solution": "564721983937548162218639745729314658483956271156287394642873519895162437371495826", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9825, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9828, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2014-10-23", "puzzle": 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"0,r0c0r0c1|9,r0c2r0c3|0,r0c5r0c6|11,r0c7r0c8|0,r1c0r1c1|0,r0c4r1c4|10,r1c7r1c8|12,r2c0r2c1|15,r1c2r2c2|10,r1c3r2c3|13,r1c5r2c5|0,r1c6r2c6|7,r2c7r2c8|20,r3c0r3c1r4c0|5,r2c4r3c4|19,r3c7r3c8r4c8|0,r3c2r4c1r4c2|17,r3c3r4c3r5c3|14,r3c5r4c5r5c5|0,r3c6r4c6r4c7|12,r4c4r5c4|0,r5c0r6c0|6,r5c1r6c1|7,r5c7r6c7|13,r5c8r6c8|24,r7c0r7c1r8c0r8c1|0,r5c2r6c2r7c2|0,r6c3r6c4r6c5r7c3r7c5|0,r5c6r6c6r7c6|0,r7c7r7c8r8c7r8c8|9,r8c2r8c3|13,r7c4r8c4|5,r8c5r8c6", "solution": "483617529216859473579234861658123794931745286742986135327591648164378952895462317", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9831, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9833, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-10-24", "puzzle": 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"14,r0c4r1c4r2c4|14,r0c0r0c1r1c0|31,r0c5r1c5r2c5r3c5r4c5r4c6|18,r0c6r0c7r1c6r1c7|13,r0c8r1c8|43,r0c2r0c3r1c1r1c2r2c0r2c1r2c2r3c0|17,r1c3r2c3|7,r2c7r2c8|14,r3c1r3c2|16,r3c3r3c4r4c3r4c4|13,r2c6r3c6|11,r4c0r4c1r4c2|31,r3c7r3c8r4c7r4c8r5c7r5c8|26,r5c0r5c1r5c2r5c3r5c4r6c4|9,r5c5r5c6r6c5|7,r6c2r6c3|29,r6c6r6c7r7c6r7c7|21,r6c0r6c1r7c0r7c1|36,r7c3r7c4r7c5r8c3r8c4r8c5|8,r8c0r8c1|11,r7c2r8c2|16,r6c8r7c8r8c6r8c7r8c8", "solution": "286473195437951268591826734859347621362189547174562389915234876743618952628795413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9834, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9835, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-10-24", "puzzle": 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"0,r0c0r0c1|0,r0c2r0c3|6,r0c4r0c5|0,r1c0r1c1r2c1|4,r1c2r1c3|35,r0c6r0c7r0c8r1c6r1c7r1c8|13,r2c2r2c3|0,r1c4r1c5r2c4r2c5|0,r2c6r2c7r3c7|5,r2c0r3c0|12,r3c1r3c2r3c3|0,r2c8r3c8|13,r4c0r4c1|0,r4c2r4c3|0,r3c4r4c4r5c4|15,r3c5r4c5r5c5|0,r3c6r4c6r5c6|12,r4c7r4c8|15,r5c0r6c0|0,r5c1r5c2r5c3|7,r5c8r6c8|0,r6c2r6c3|23,r6c4r6c5r7c4r7c5|0,r5c7r6c6r6c7|12,r6c1r7c0r7c1|0,r7c2r7c3|32,r7c6r7c7r7c8r8c6r8c7r8c8|11,r8c0r8c1|0,r8c2r8c3|0,r8c4r8c5", "solution": "967124538521378946384965217235417689496832175718596423879251364143689752652743891", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9837, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9839, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-10-25", "puzzle": "14,r0c0r0c1r1c0r1c1|6,r0c4r0c5|24,r0c6r0c7r0c8r1c8|16,r0c2r1c2|8,r0c3r1c3|34,r1c4r1c5r1c6r2c4r2c5|11,r2c0r2c1|13,r2c2r2c3r3c2|3,r1c7r2c7|11,r3c0r3c1|28,r3c3r3c4r3c5r4c3r5c3|23,r2c6r3c6r4c6r4c7r5c6|22,r2c8r3c7r3c8r4c8|15,r4c0r5c0|15,r4c1r4c2r5c1r5c2r6c1|17,r4c4r4c5r5c4r5c5|14,r5c7r5c8|16,r6c2r6c3r6c4r6c5r7c4|24,r6c0r7c0r8c0r8c1|14,r7c1r7c2|35,r6c6r6c7r6c8r7c6r8c6|26,r7c3r8c2r8c3r8c4|6,r7c5r8c5|10,r7c7r7c8r8c7r8c8", "solution": "169524387257398416834176529478259163915863274623417895741632958586941732392785641", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9839, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9840, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-10-25", "puzzle": "20,r0c1r0c2r1c1r1c2r1c3|28,r0c3r0c4r0c5r0c6r1c6|17,r0c0r1c0r2c0r3c0|17,r1c4r1c5|16,r0c7r0c8r1c7r1c8|11,r2c1r2c2|12,r2c3r3c3|26,r2c4r2c5r2c6r3c5r3c6r4c6|14,r3c7r4c7|25,r3c1r3c2r4c0r4c1|8,r4c2r4c3|9,r3c4r4c4r4c5|26,r2c7r2c8r3c8r4c8r5c8|19,r5c2r5c3r6c2r6c3|13,r5c4r6c4|15,r5c5r5c6|11,r5c0r6c0|8,r5c1r6c1|10,r6c6r7c6|27,r5c7r6c7r6c8r7c7r7c8|23,r7c0r7c1r8c0r8c1|7,r7c2r7c3|15,r6c5r7c4r7c5r8c4|12,r8c2r8c3|16,r8c5r8c6r8c7r8c8", "solution": "538716942416298573792453618147839256683542197925167834264971385351684729879325461", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9840, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9838, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2014-10-25", "puzzle": "13,r0c0r0c1r0c2|9,r0c6r0c7|6,r1c0r1c1|10,r0c3r1c3|13,r0c4r0c5r1c4|13,r1c6r1c7|12,r0c8r1c8|15,r2c0r2c1|11,r1c2r2c2|9,r2c3r2c4|15,r1c5r2c5r3c5|15,r3c0r3c1r4c0|17,r2c6r3c6|4,r2c7r3c7|16,r2c8r3c8r4c8|10,r3c2r4c2|8,r3c3r4c3|13,r3c4r4c4|18,r4c1r5c0r5c1|19,r4c5r5c4r5c5|13,r4c6r4c7r5c6|14,r5c7r5c8r6c7|15,r6c0r6c1r7c1|9,r5c3r6c3|8,r6c5r6c6|16,r5c2r6c2r7c2|16,r6c4r7c4r7c5|9,r6c8r7c7r7c8|12,r7c0r8c0|4,r8c1r8c2|13,r7c3r8c3|7,r8c4r8c5|7,r7c6r8c6|16,r8c7r8c8", "solution": "247891365158236497693547812574182936316759248982364751729613584465978123831425679", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9838, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9842, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-10-25", "puzzle": 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"17,r0c0r0c1r0c2|18,r1c0r1c1r1c2|11,r0c3r1c3|10,r0c4r0c5r1c4|14,r0c6r0c7r1c6|18,r0c8r1c7r1c8|3,r2c0r2c1|17,r2c3r2c4|7,r2c6r2c7|9,r2c8r3c8|17,r2c2r3c1r3c2|11,r1c5r2c5r3c5|14,r3c6r3c7|12,r3c0r4c0r5c0|14,r4c1r4c2|14,r3c3r4c3r5c3|17,r3c4r4c4r5c4|10,r4c5r4c6|9,r4c7r4c8|10,r5c1r5c2r6c2|24,r5c5r6c5r7c5|3,r5c6r5c7|7,r6c0r6c1|13,r6c3r6c4|13,r6c6r6c7|11,r5c8r6c8|13,r7c0r7c1r7c2|5,r7c3r8c3|10,r7c4r8c4r8c5|18,r7c6r8c6r8c7|12,r7c7r7c8r8c8|24,r8c0r8c1r8c2", "solution": "593416278864732591127985436719524683286193745345867129431679852652348917978251364", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9878, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9879, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-11-02", "puzzle": 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"19,r0c1r0c2r1c2|9,r0c7r0c8r1c8|9,r0c0r1c0|12,r0c3r1c3|15,r0c4r1c4|7,r0c5r1c5|13,r0c6r1c6|12,r1c1r2c1r2c2|9,r2c5r2c6|21,r1c7r2c7r2c8|8,r2c0r3c0|10,r3c1r3c2|11,r2c3r2c4r3c3|12,r3c4r4c4r5c4|10,r3c7r3c8|9,r4c0r4c1|13,r4c2r5c2|11,r4c3r5c3|14,r3c5r4c5|14,r3c6r4c6|7,r4c7r4c8|10,r5c0r5c1|6,r5c5r6c4r6c5|7,r5c6r5c7|16,r5c8r6c8|13,r6c0r6c1r7c1|6,r6c2r6c3|21,r6c6r6c7r7c7|10,r7c2r8c2|11,r7c3r8c3|15,r7c4r8c4|13,r7c5r8c5|9,r7c8r8c8|17,r7c0r8c0r8c1|6,r7c6r8c6r8c7", "solution": "873492651129865743564317298391746582457238916286951437645123879732589164918674325", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9938, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9939, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-11-14", "puzzle": 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"17,r0c0r0c1r0c2|10,r0c4r0c5|12,r1c1r1c2|10,r0c3r1c3|19,r0c6r0c7r1c6|3,r1c7r2c7|8,r0c8r1c8|13,r1c0r2c0r2c1|12,r1c4r1c5r2c4|14,r2c5r2c6|15,r2c2r3c1r3c2|11,r2c3r3c3|19,r3c4r4c4r5c4|9,r3c7r4c7|7,r2c8r3c8|14,r3c0r4c0|5,r4c2r5c2|11,r4c3r5c3|11,r3c5r4c5|6,r3c6r4c6|15,r4c8r5c8|5,r5c0r6c0|12,r4c1r5c1|7,r5c5r6c5|15,r5c6r5c7r6c6|11,r6c2r6c3|10,r6c4r7c3r7c4|20,r6c7r6c8r7c8|11,r7c0r8c0|10,r6c1r7c1|12,r7c2r8c1r8c2|17,r7c5r8c5|8,r7c6r7c7|10,r8c3r8c4|16,r8c6r8c7r8c8", "solution": "962173845548962713173845926857394261691527438234681597389256174726418359415739682", "extra": "{\"grid_size\": 9, \"puzzle_number\": 9953, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 9954, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-11-17", "puzzle": 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"16,r0c0r0c1r0c2r1c2|27,r0c3r0c4r1c3r2c3r3c3r3c4|15,r0c6r0c7r1c6|11,r1c0r1c1|30,r0c5r1c4r1c5r2c4r2c5r3c5|18,r0c8r1c7r1c8|23,r2c0r2c1r3c0r4c0|18,r2c2r3c1r3c2|14,r2c6r3c6|13,r2c7r2c8r3c7r4c7|11,r4c1r4c2|27,r4c3r4c4r4c5r4c6r5c5r5c6|16,r3c8r4c8r5c8|5,r5c0r5c1|24,r5c3r5c4r6c3r7c3|9,r6c0r6c1|11,r5c2r6c2|21,r6c5r6c6r7c5r8c5|13,r5c7r6c7|7,r7c0r7c1|7,r6c4r7c4|15,r7c6r7c7r8c6|12,r6c8r7c8|12,r8c0r8c1|12,r7c2r8c2|7,r8c3r8c4|11,r8c7r8c8", "solution": "384561927651792483972384615597426831238179546416853279725938164169247358843615792", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10010, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10013, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2014-11-29", "puzzle": 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"9,r0c2r0c3|18,r0c6r0c7r0c8r1c8r2c8|15,r0c0r0c1r1c0|15,r1c1r1c2|20,r0c4r0c5r1c4r1c5|12,r2c1r2c2r3c1|13,r1c3r2c3|27,r1c6r1c7r2c6r2c7|11,r2c0r3c0|4,r2c4r3c4|16,r2c5r3c5r3c6|9,r4c0r4c1|9,r3c2r3c3r4c2|11,r4c5r4c6|24,r3c7r3c8r4c7r4c8|22,r4c3r4c4r5c3r5c4|4,r5c6r5c7|13,r5c8r6c8|9,r5c0r6c0|6,r5c1r6c1|17,r5c2r6c2r6c3|15,r5c5r6c4r6c5|13,r6c6r7c5r7c6|11,r6c7r7c7|16,r7c2r7c3|11,r7c4r8c4|20,r7c0r7c1r8c0r8c1|14,r8c2r8c3|4,r8c5r8c6|17,r7c8r8c7r8c8", "solution": "738159462596724831241638975973416258182395647654287319315862794867941523429573186", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10109, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10110, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-12-18", "puzzle": 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"13,r0c3r0c4|6,r0c5r0c6|8,r0c0r1c0|17,r0c1r1c1|12,r0c2r1c2|24,r0c7r1c6r1c7r2c6r3c6|0,r0c8r1c8|0,r2c1r2c2r3c1|0,r1c3r2c3|12,r1c4r2c4|0,r1c5r2c5|16,r2c7r2c8|0,r2c0r3c0|13,r3c3r3c4|15,r3c7r3c8|0,r4c0r4c1|0,r4c3r4c4|0,r3c5r4c5r5c5|11,r4c6r4c7r4c8|0,r5c0r6c0|9,r3c2r4c2r5c2|13,r5c3r5c4|0,r5c7r5c8|0,r5c1r6c1r6c2|0,r6c3r7c3|0,r6c4r7c4|11,r6c5r7c5|0,r6c7r6c8|6,r7c0r8c0|0,r7c1r8c1|12,r7c2r8c2|25,r5c6r6c6r7c6r7c7r8c7|13,r7c8r8c8|0,r8c3r8c4|0,r8c5r8c6", "solution": "687491523295673814314258697431582769876139452952764381748915236123846975569327148", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10112, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10113, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2014-12-19", "puzzle": "11,r0c5r0c6r1c6|14,r0c0r1c0|5,r0c1r1c1|11,r0c2r1c2|19,r0c3r0c4r1c3|4,r0c7r1c7|17,r0c8r1c8|7,r2c0r2c1|5,r1c4r2c4|16,r1c5r2c5|18,r2c6r2c7r3c6|9,r2c2r3c2|6,r2c3r3c3|8,r3c4r3c5|11,r2c8r3c8|17,r3c0r3c1r4c0|15,r4c1r4c2|24,r4c3r4c4r5c4|9,r3c7r4c7|9,r5c0r5c1|4,r5c2r5c3|10,r4c5r5c5|11,r4c6r5c6r5c7|10,r4c8r5c8|7,r6c0r6c1|20,r6c2r6c3r6c4|15,r6c5r6c6r7c6|12,r6c7r6c8r7c8|11,r7c1r7c2|4,r7c3r7c4|8,r7c0r8c0|14,r8c1r8c2|11,r8c3r8c4|16,r7c5r8c5r8c6|17,r7c7r8c7r8c8", "solution": "527681439934527618618439725871253946269874153453196287345962871792318564186745392", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10113, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10116, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-12-19", "puzzle": "6,r0c4r0c5|10,r0c6r0c7r1c6|9,r0c0r1c0|12,r0c1r1c1|11,r0c2r1c2|21,r0c3r1c3r1c4r1c5|21,r0c8r1c7r1c8|0,r2c0r2c1|8,r2c2r2c3|32,r2c4r2c5r2c6r2c7r2c8r3c5|0,r3c0r3c1r3c2r4c2|16,r3c3r3c4|7,r4c3r4c4|13,r3c6r4c6|8,r3c7r4c7|0,r4c0r4c1r5c0|0,r5c1r5c2r6c2|0,r4c5r5c5|23,r3c8r4c8r5c7r5c8|18,r6c0r6c1r7c0r7c1|6,r5c3r6c3|0,r5c4r6c4|0,r5c6r6c5r6c6|28,r7c2r7c3r7c4r7c5r7c6r8c4|12,r6c7r7c7|7,r6c8r7c8|0,r8c0r8c1|0,r8c2r8c3|22,r8c5r8c6r8c7r8c8", "solution": "786924315245831679193576284312795468854613927967482153479268531521347896638159742", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10116, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10115, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-12-19", "puzzle": "16,r0c4r0c5|10,r0c7r0c8|12,r0c0r1c0|29,r0c1r0c2r0c3r1c1r1c3r2c1|8,r1c4r1c5|9,r0c6r1c6r1c7|13,r1c2r2c2r2c3|16,r2c5r2c6r2c7r3c7|22,r1c8r2c8r3c8|23,r2c0r3c0r4c0r4c1r4c2|33,r2c4r3c1r3c2r3c3r3c4r3c5|8,r4c3r4c4r5c3|28,r3c6r4c5r4c6r4c7r4c8|11,r5c1r5c2|3,r6c1r6c2|23,r5c4r6c3r6c4|23,r5c5r5c6r6c5r6c6|16,r5c7r6c7r7c7r8c7|4,r5c8r6c8|25,r5c0r6c0r7c0r7c1|16,r7c4r7c5r7c6r8c6|39,r7c2r7c3r8c0r8c1r8c2r8c3|5,r8c4r8c5|13,r7c8r8c8", "solution": "465379182891426537327581496153647829289153674674298351912865743738914265546732918", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10115, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10114, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2014-12-19", "puzzle": "12,r0c0r0c1|20,r0c4r0c5r1c4r2c4|35,r0c6r0c7r0c8r1c8r2c8r3c8|21,r0c2r1c2r2c2r3c2|13,r0c3r1c3|18,r1c6r1c7r2c7r3c7r4c7|16,r1c0r1c1r2c0|9,r1c5r2c5r2c6|11,r2c1r3c1|26,r2c3r3c3r3c4r4c3r5c3r5c4|12,r3c5r3c6|21,r3c0r4c0r4c1r4c2|13,r4c4r4c5|7,r5c1r5c2|18,r4c6r5c5r5c6|16,r4c8r5c7r5c8|8,r5c0r6c0|15,r6c1r6c2r7c2|16,r6c5r6c6|14,r6c3r6c4r7c3|10,r6c7r7c7|3,r6c8r7c8|22,r7c0r7c1r8c0r8c1|9,r8c2r8c3|4,r7c4r8c4|14,r7c5r7c6r8c5|22,r8c6r8c7r8c8", "solution": "841563297369872415725941638196327584578694123234158976653289741987415362412736859", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10114, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10119, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-12-20", "puzzle": "21,r0c0r0c1r1c0r1c1|6,r0c4r0c5|12,r0c6r0c7r1c7|16,r0c2r0c3r1c2|35,r1c3r2c2r2c3r3c1r3c2r3c3|14,r1c4r1c5r2c5|8,r0c8r1c8|18,r2c0r2c1r3c0|11,r1c6r2c6|14,r2c7r2c8|15,r3c5r3c6r3c7|37,r2c4r3c4r4c2r4c3r4c4r4c5r5c4|18,r4c6r4c7r5c7|5,r3c8r4c8|7,r4c0r5c0|16,r4c1r5c1r5c2|16,r5c5r5c6r6c5r6c6|7,r6c1r6c2|15,r5c3r6c3r7c3|12,r5c8r6c8|18,r6c0r7c0r7c1|12,r6c4r7c4r7c5|12,r6c7r7c6r7c7|4,r8c0r8c1|16,r7c2r8c2|6,r8c3r8c4|11,r8c5r8c6|23,r7c8r8c7r8c8", "solution": "963851247425937861781624395378465912294178653516392478652789134849513726137246589", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10119, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10118, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-12-20", "puzzle": "24,r0c0r0c1r0c2|8,r0c3r0c4|8,r1c3r1c4|10,r0c5r1c5|5,r0c6r1c6|13,r0c7r0c8r1c7|4,r2c1r3c1|14,r1c1r1c2r2c2|17,r2c3r2c4|20,r1c8r2c7r2c8|7,r1c0r2c0r3c0|10,r2c5r3c5|16,r2c6r3c6r3c7|14,r4c0r4c1|13,r3c2r4c2r5c2|18,r3c3r4c3r5c3|11,r3c4r4c4r5c4|19,r4c5r4c6r4c7|16,r3c8r4c8r5c8|17,r5c0r6c0r7c0|10,r5c5r6c5|13,r5c6r5c7r6c6|15,r5c1r6c1|11,r6c2r7c1r7c2|5,r6c3r6c4|12,r6c7r6c8r7c8|13,r7c3r7c4|8,r7c5r8c5|9,r7c6r8c6|19,r7c7r8c7r8c8|16,r8c0r8c1r8c2|10,r8c3r8c4", "solution": "879356214256714389413892765132968457684527931597431628368149572921675843745283196", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10118, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10120, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-12-20", "puzzle": "11,r0c0r0c1r1c0|15,r0c2r0c3|10,r0c6r0c7|17,r1c1r1c2r2c1|23,r0c4r0c5r1c3r1c4|18,r0c8r1c6r1c7r1c8r2c6|23,r2c2r2c3r2c4r3c2r4c2|6,r1c5r2c5|17,r2c7r2c8|9,r2c0r3c0|15,r3c3r3c4r4c3|14,r3c5r3c6r3c7r4c7|14,r3c8r4c8|17,r3c1r4c0r4c1r5c0|14,r5c1r5c2|26,r4c4r4c5r4c6r5c4r5c5r6c4|12,r5c7r5c8|23,r5c3r6c3r7c3r7c4|13,r5c6r6c5r6c6|10,r6c7r6c8|16,r6c0r7c0|13,r7c5r8c5|23,r7c7r7c8r8c7r8c8|25,r6c1r6c2r7c1r8c0r8c1|4,r7c2r8c2|6,r8c3r8c4|11,r7c6r8c6", "solution": "127895643895364721634712589379548216512679438486231975758923164961487352243156897", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10120, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10121, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2014-12-20", "puzzle": "0,r0c1r0c2r1c1|0,r0c3r0c4r0c5r1c5|15,r0c0r1c0|8,r1c3r1c4|14,r0c6r1c6|6,r0c7r1c7|0,r0c8r1c8|6,r2c0r2c1|0,r1c2r2c2|17,r2c3r2c4|0,r2c7r2c8|0,r3c1r3c2r4c1r4c2r5c1|11,r2c5r3c4r3c5|10,r2c6r3c6|0,r3c7r3c8|0,r3c0r4c0r5c0r6c0|14,r3c3r4c3r4c4|18,r4c5r4c6r5c6|0,r5c2r5c3r5c4r6c2r6c3r7c3|0,r4c7r5c7|0,r4c8r5c8|16,r5c5r6c4r6c5|0,r6c6r6c7r6c8|32,r6c1r7c0r7c1r8c0r8c1|14,r7c6r7c7|0,r7c2r8c2r8c3|7,r7c4r8c4|13,r7c5r8c5|9,r8c6r8c7|7,r7c8r8c8", "solution": "859714623731625849246983157625371984974568312318492765167259438482137596593846271", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10121, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10123, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2014-12-21", "puzzle": "13,r0c3r0c4|13,r0c5r0c6r1c5|17,r0c7r0c8|5,r0c0r1c0|11,r0c1r1c1|13,r0c2r1c2|7,r2c0r2c1|7,r1c3r2c3|10,r1c4r2c4|14,r2c5r3c5r3c6|11,r1c6r1c7r2c6|14,r1c8r2c7r2c8|15,r2c2r3c2|8,r3c3r3c4|19,r3c0r4c0r5c0|17,r3c1r4c1r4c2|3,r4c3r4c4|16,r4c5r4c6|6,r3c7r4c7|13,r3c8r4c8|17,r5c2r5c3r6c2|15,r5c4r5c5r5c6|11,r5c7r6c7|13,r5c1r6c0r6c1|17,r6c3r6c4|6,r6c5r6c6|4,r5c8r6c8|4,r7c0r7c1|18,r7c7r7c8r8c8|17,r8c0r8c1|6,r7c2r8c2|7,r7c3r8c3|12,r7c4r8c4|13,r7c5r7c6r8c5|13,r8c6r8c7", "solution": "245761398378429615619385472496538127853217946721946583567894231134672859982153764", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10123, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10124, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2014-12-21", "puzzle": "26,r0c0r0c1r1c0r1c1|6,r0c2r0c3r0c4|10,r0c5r0c6|8,r1c2r1c3|11,r1c5r1c6|18,r0c7r0c8r1c7|6,r2c0r2c1|18,r1c4r2c4r2c5|8,r2c6r2c7|12,r1c8r2c8r3c8|16,r3c0r3c1|19,r2c2r2c3r3c2|35,r3c3r3c4r3c5r4c3r4c4r4c5|3,r3c6r3c7|8,r4c0r4c1r4c2|9,r5c0r5c1|13,r4c6r5c6|26,r4c7r4c8r5c7r5c8|28,r5c2r5c3r5c4r5c5r6c2r6c3|3,r6c4r6c5|15,r6c6r6c7|16,r6c0r6c1r7c0|20,r7c1r7c2r7c3|11,r7c5r7c6|9,r6c8r7c7r7c8|10,r8c0r8c1r8c2|17,r7c4r8c3r8c4|14,r8c5r8c6|10,r8c7r8c8", "solution": "751234698863597412249618357974856123512943876638172549396421785485769231127385964", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10124, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10125, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-12-21", "puzzle": "17,r0c0r0c1r1c0r1c1|10,r0c6r0c7|12,r0c3r1c3|19,r0c4r0c5r1c4r2c4|10,r1c5r1c6|25,r0c8r1c8r2c8r3c8r4c8|34,r0c2r1c2r2c0r2c1r2c2r2c3r3c2|11,r2c5r2c6|18,r1c7r2c7r3c7r4c7|13,r3c0r3c1|15,r3c5r3c6|26,r4c0r4c1r4c2r5c0|20,r3c3r3c4r4c3r4c4|10,r5c3r6c3|10,r4c5r5c4r5c5|29,r4c6r5c6r6c4r6c5r6c6|18,r5c7r5c8r6c7r6c8|3,r5c1r6c1|8,r5c2r6c2|9,r6c0r7c0|16,r7c1r7c2r7c3r7c4|20,r7c7r7c8r8c7r8c8|33,r8c0r8c1r8c2r8c3r8c4|19,r7c5r7c6r8c5r8c6", "solution": "586427193132896457479513826941268735657931284823745619715384962264159378398672541", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10125, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10127, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2014-12-21", "puzzle": 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"18,r0c2r0c3r1c3|0,r0c4r0c5|0,r0c6r0c7|13,r0c0r1c0|0,r0c1r1c1|23,r0c8r1c7r1c8r2c8|3,r2c0r2c1|0,r1c2r2c2|8,r1c4r2c3r2c4|11,r1c5r1c6r2c5|28,r2c6r2c7r3c6r4c6|8,r3c1r3c2|30,r3c3r3c4r4c4r5c4r5c5|12,r3c5r4c5|9,r3c7r3c8r4c7|5,r3c0r4c0|13,r4c8r5c8|0,r4c1r5c0r5c1|3,r4c3r5c3|0,r5c6r5c7|0,r4c2r5c2r6c1r6c2|9,r6c3r7c2r7c3|7,r6c4r6c5r7c4|12,r6c6r7c6|0,r6c7r6c8|0,r6c0r7c0r7c1r8c0|13,r7c7r8c7|0,r7c8r8c8|10,r8c1r8c2|0,r8c3r8c4|15,r7c5r8c5r8c6", "solution": "564897213893612475217435698435769821179283564682154739758321946921546387346978152", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10126, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10128, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-12-22", "puzzle": 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"18,r0c0r0c1r1c0|12,r0c6r0c7|18,r0c2r1c1r1c2|15,r0c3r0c4r1c3|7,r0c5r1c5|12,r0c8r1c8|6,r2c0r2c1|7,r2c2r3c2|22,r1c4r2c4r2c5|13,r1c6r2c6r3c6|9,r1c7r2c7|6,r3c0r3c1|6,r2c3r3c3r3c4|15,r3c5r4c5|23,r2c8r3c7r3c8|14,r4c1r4c2|5,r4c3r4c4|9,r4c6r4c7r5c7|6,r4c8r5c8|19,r4c0r5c0r5c1|10,r5c2r5c3|20,r5c4r5c5r6c4|12,r5c6r6c5r6c6|8,r6c7r6c8|19,r6c0r7c0r8c0|4,r6c1r7c1|18,r6c2r6c3r7c2|8,r7c4r7c5r8c4|8,r7c6r7c7|10,r8c1r8c2|14,r7c3r8c3|24,r8c5r8c6r8c7|8,r7c8r8c8", "solution": "571263849689754123423198576154326798768419352392875614917682435835941267246537981", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10133, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10135, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-12-23", "puzzle": 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"8,r0c1r0c2r0c3|19,r0c4r0c5r0c6|11,r0c0r1c0|14,r1c5r1c6r2c6|9,r0c7r1c7|9,r0c8r1c8|19,r2c0r3c0r4c0|23,r1c1r1c2r2c1|15,r1c3r2c2r2c3|5,r1c4r2c4|15,r3c4r4c4|11,r2c5r3c5|3,r3c6r3c7|18,r2c7r2c8r3c8|8,r3c1r4c1r5c1|9,r3c2r4c2|9,r3c3r4c3|8,r4c7r4c8|11,r5c2r5c3r5c4|17,r4c5r4c6r5c5|24,r5c6r5c7r5c8|8,r5c0r6c0|12,r6c1r6c2r6c3|6,r6c4r6c5|19,r6c6r6c7r7c6|17,r7c3r7c4|14,r7c0r7c1r8c0|22,r7c2r8c1r8c2|11,r8c3r8c4|10,r7c5r8c5r8c6|10,r7c7r8c7|11,r6c8r7c8r8c8", "solution": "451239786769548213283716459937865124842197635516324897324651978675982341198473562", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10138, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10139, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-12-24", "puzzle": "9,r0c3r0c4r1c3|18,r0c7r0c8r1c8|31,r0c0r0c1r0c2r1c0r2c0|17,r0c5r1c5r2c5r2c6|8,r0c6r1c6|9,r1c1r1c2r2c1|12,r1c4r2c4|12,r1c7r2c7|19,r2c2r2c3r3c2|5,r3c5r3c6|14,r2c8r3c8|13,r3c0r3c1r4c0|15,r4c1r4c2|16,r3c3r3c4r4c3|7,r3c7r4c7|20,r5c0r5c1r5c2r6c2|9,r5c3r6c3|26,r4c4r4c5r4c6r5c4r6c4|10,r4c8r5c7r5c8|12,r6c0r6c1|26,r5c5r5c6r6c5r6c6|7,r6c7r6c8|9,r7c1r7c2|9,r7c3r7c4|11,r7c0r8c0r8c1|13,r8c2r8c3|12,r7c5r8c4r8c5|14,r7c6r8c6|22,r7c7r7c8r8c7r8c8", "solution": "873164592461295387925837146396751428187426953542389761759618234218543679634972815", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10139, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10140, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2014-12-24", "puzzle": 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"13,r0c0r0c1|4,r0c3r0c4|6,r1c0r1c1|15,r0c2r1c2|13,r1c3r1c4|17,r0c5r1c5r2c5|3,r0c7r1c7|13,r0c8r1c8|8,r2c0r2c1|17,r2c2r2c3r3c3|18,r0c6r1c6r2c6|11,r2c7r2c8|13,r3c0r3c1r4c1|10,r2c4r3c4|11,r3c5r3c6r3c7|12,r4c0r5c0|12,r3c2r4c2|11,r4c3r4c4r4c5|13,r4c6r5c6|9,r3c8r4c8|15,r5c1r5c2r5c3|13,r5c4r6c4|14,r4c7r5c7r5c8|11,r6c0r6c1|13,r6c2r7c2r8c2|12,r5c5r6c5r6c6|10,r6c7r6c8|9,r7c0r8c0|12,r7c1r8c1|11,r6c3r7c3r8c3|6,r7c4r7c5|7,r7c6r8c6|17,r7c7r7c8|16,r8c4r8c5|10,r8c7r8c8", "solution": "859136724426857319173924865914582637738461952562793481295648173647315298381279546", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10158, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10159, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2014-12-28", "puzzle": 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"15,r0c0r0c1|9,r0c7r0c8|17,r1c1r1c2r1c3r2c3|30,r0c2r0c3r0c4r0c5r0c6r1c4|19,r1c5r1c6r1c7r2c5|14,r1c0r2c0r3c0|13,r2c1r2c2|12,r2c6r2c7|14,r1c8r2c8r3c8|11,r3c2r3c3r4c3|19,r3c5r3c6r4c5|26,r3c1r4c0r4c1r4c2r5c2|24,r3c7r4c6r4c7r4c8r5c6|6,r5c1r6c1|17,r2c4r3c4r4c4r5c4|8,r5c7r6c7|8,r5c0r6c0|14,r5c3r6c2r6c3|11,r6c4r7c4|19,r5c5r6c5r6c6|12,r5c8r6c8|13,r7c0r7c1|6,r7c7r7c8|12,r8c0r8c1|12,r7c2r8c2|23,r7c3r7c5r8c3r8c4r8c5|15,r7c6r8c6|6,r8c7r8c8", "solution": "961378254237594681485261397823159476549726138716843529152487963674932815398615742", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10160, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10161, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2014-12-28", "puzzle": "0,r0c3r0c4r1c3|0,r0c6r0c7|0,r0c0r1c0|0,r0c1r1c1|0,r0c2r1c2|0,r0c5r1c5|16,r0c8r1c8|9,r2c0r2c1|14,r1c4r2c3r2c4|0,r2c5r3c5|17,r1c6r1c7r2c6r3c6|0,r2c2r3c2r3c3r3c4|11,r2c7r2c8r3c7|22,r3c0r4c0r5c0|17,r3c1r4c1r4c2r5c1|0,r4c3r4c4|0,r4c5r4c6|0,r3c8r4c7r4c8r5c8|0,r5c2r5c3r5c4r6c2|12,r5c7r6c7r6c8|6,r6c0r6c1|17,r6c3r6c4r7c4|5,r5c5r6c5|21,r5c6r6c6r7c6r7c7|13,r7c0r8c0|0,r7c1r8c1|6,r7c2r8c2|10,r7c5r8c5|10,r7c8r8c8|15,r7c3r8c3r8c4|9,r8c6r8c7", "solution": "329615487456827319187934625562198743813476592974352168248763951795241836631589274", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10161, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10162, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2014-12-28", "puzzle": "12,r0c2r0c3|10,r0c4r0c5|0,r0c6r0c7r0c8|0,r0c0r1c0|13,r0c1r1c1|0,r1c2r1c3r2c3|0,r1c5r1c6r1c7|14,r1c4r2c4|0,r1c8r2c8|16,r2c0r2c1r3c0|7,r2c2r3c2|0,r2c5r3c5r4c5|0,r2c6r3c6|11,r2c7r3c7|10,r4c0r5c0|0,r3c1r4c1r4c2|0,r4c6r4c7r5c7|13,r3c8r4c8|0,r5c1r6c1|11,r5c2r6c2|22,r4c3r5c3r6c3|0,r3c3r3c4r4c4r5c4r5c5|3,r5c6r6c6|7,r5c8r6c7r6c8|0,r6c0r7c0|0,r6c4r7c4|17,r7c1r7c2r7c3|0,r6c5r7c5r7c6|17,r7c7r8c7|0,r7c8r8c8|0,r8c0r8c1r8c2|12,r8c3r8c4|6,r8c5r8c6", "solution": "179364852368257419524198673953612748217843965846579231785936124491725386632481597", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10162, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10163, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2014-12-29", "puzzle": "15,r0c0r0c1r0c2|13,r0c3r0c4|11,r0c5r0c6|14,r0c7r1c7|8,r0c8r1c8|9,r1c0r2c0|20,r1c1r1c2r2c1|4,r2c2r3c2|13,r1c3r1c4r2c3|11,r1c5r2c4r2c5|10,r1c6r2c6|6,r3c5r3c6|8,r2c7r3c7|17,r2c8r3c8|10,r3c0r3c1r4c0|10,r4c1r4c2|11,r3c3r4c3|7,r3c4r4c4r5c4|15,r4c5r5c5|15,r4c6r4c7|12,r4c8r5c7r5c8|12,r5c0r6c0|10,r5c1r6c1|12,r5c2r5c3|16,r6c2r7c2|12,r6c3r6c4r7c3|19,r6c5r7c4r7c5|7,r5c6r6c6|20,r6c7r7c6r7c7|6,r6c8r7c8|14,r7c0r8c0|6,r7c1r8c1|13,r8c2r8c3|5,r8c4r8c5|14,r8c6r8c7r8c8", "solution": "762498351438251697591673428273845169146329875985716243329167584617584932854932716", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10163, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10164, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2014-12-29", "puzzle": "17,r0c0r1c0|15,r0c1r0c2r0c3r1c1|5,r1c2r1c3|9,r0c4r1c4|10,r1c5r1c6|19,r0c5r0c6r0c7r1c7|15,r0c8r1c8|18,r2c1r2c2r2c3|17,r2c5r2c6r2c7|31,r2c0r3c0r3c1r4c1r5c1|8,r3c2r3c3|13,r2c4r3c4r4c4|17,r3c5r3c6|22,r2c8r3c7r3c8r4c7r5c7|5,r4c2r4c3|12,r4c5r4c6|10,r4c0r5c0|6,r5c2r6c2|9,r5c6r6c6|10,r4c8r5c8|5,r6c0r6c1|9,r6c4r7c4|24,r5c3r5c4r5c5r6c3r6c5|15,r6c7r6c8|20,r7c1r7c2r7c3|12,r7c5r7c6r7c7|5,r7c0r8c0|38,r8c1r8c2r8c3r8c4r8c5r8c6r8c7|9,r7c8r8c8", "solution": "836524917912376458754918632527149863693287541481653279145832796279461385368795124", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10164, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10166, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2014-12-29", "puzzle": "23,r0c1r0c2r1c1r1c2|10,r0c3r0c4r0c5|0,r0c0r1c0r2c0r2c1|15,r1c3r1c4r1c5|9,r0c6r1c6|11,r0c7r1c7|10,r0c8r1c8|7,r2c7r2c8|13,r3c0r3c1|0,r2c2r3c2r4c2|0,r2c3r3c3r4c3|0,r2c4r3c4r4c4r5c4r6c4|20,r2c5r2c6r3c5r3c6|0,r3c7r3c8|0,r4c0r4c1|0,r4c7r4c8|9,r5c0r5c1|11,r5c2r5c3r6c2r6c3|22,r4c5r5c5r6c5|0,r4c6r5c6r6c6|17,r5c7r5c8|10,r6c0r6c1|4,r7c0r8c0|12,r7c1r8c1|0,r7c2r8c2|0,r7c3r7c4r7c5|0,r6c7r6c8r7c8r8c8|0,r8c3r8c4r8c5|26,r7c6r7c7r8c6r8c7", "solution": "816253497497681523235497816584962371963718254721345689642579138378124965159836742", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10166, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10165, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2014-12-29", "puzzle": 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"0,r0c7r0c8|11,r0c0r1c0|8,r0c1r1c1|4,r0c2r1c2|0,r0c3r1c3r2c3r2c4|0,r0c4r1c4|0,r0c5r0c6r1c5|0,r1c7r1c8r2c7|0,r1c6r2c5r2c6|0,r2c0r3c0|0,r2c1r3c1|0,r2c2r3c2r3c3|34,r3c6r3c7r4c7r4c8r5c7r5c8|0,r2c8r3c8|11,r4c2r4c3|0,r3c4r4c4|9,r3c5r4c5r5c5|0,r4c0r5c0|0,r4c1r5c1r5c2|13,r5c3r5c4|16,r4c6r5c6r6c6|19,r6c0r6c1r7c0r7c1|8,r6c3r7c3|25,r6c4r6c5r7c4r7c5r7c6|0,r6c2r7c2|10,r6c7r6c8r7c7r8c7|12,r8c0r8c1r8c2|0,r8c3r8c4|14,r8c5r8c6|13,r7c8r8c8", "solution": "463185279721469583895237461187694352254713896639852147918526734546371928372948615", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10167, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10168, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2014-12-30", "puzzle": 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"6,r0c2r0c3|9,r0c6r0c7|11,r0c0r1c0|13,r0c1r1c1|8,r0c4r1c4|14,r0c5r1c5|14,r1c6r1c7|11,r0c8r1c8|12,r2c1r3c1|10,r1c2r1c3r2c2|3,r2c6r2c7|11,r2c0r3c0|15,r2c3r3c2r3c3|14,r2c4r3c4|6,r2c5r3c5|16,r2c8r3c7r3c8|14,r4c0r4c1|12,r4c2r4c3|5,r4c4r4c5|19,r3c6r4c6r5c6|10,r4c7r4c8|4,r5c0r6c0|22,r5c2r5c3r6c3|10,r5c4r6c4|11,r5c5r6c5|10,r5c7r5c8r6c8|3,r5c1r6c1|16,r6c2r7c2r7c3|13,r6c6r6c7|11,r7c0r8c0|11,r7c1r8c1|11,r7c4r8c4|11,r7c5r8c5|5,r7c6r7c7|12,r7c8r8c8|9,r8c2r8c3|13,r8c6r8c7", "solution": "954218367281376954736495218493851726865723491127964835319647582672589143548132679", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10203, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10205, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-01-06", "puzzle": 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"6,r0c0r0c1|10,r0c2r0c3|15,r0c4r0c5|9,r1c1r1c2|9,r1c4r1c5r2c4|23,r0c7r0c8r1c7r1c8|12,r1c0r2c0|7,r1c3r2c3|22,r0c6r1c6r2c6r2c7r2c8|29,r2c1r2c2r3c1r3c2r4c1|20,r2c5r3c5r3c6|10,r3c7r4c6r4c7|13,r3c8r4c8|5,r3c0r4c0|38,r3c3r3c4r4c3r4c4r4c5r5c3r5c4r5c5|17,r5c0r5c1|11,r4c2r5c2|13,r5c6r5c7|4,r5c8r6c8|9,r6c3r6c4|13,r6c7r7c7|21,r6c1r6c2r7c1r7c2|10,r7c3r8c3|22,r6c5r6c6r7c4r7c5r7c6|13,r7c8r8c8|24,r6c0r7c0r8c0r8c1r8c2|10,r8c4r8c5|10,r8c6r8c7", "solution": "421978635563124978798635412356417829217869354984253761872546193139782546645391287", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10209, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10207, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-01-06", "puzzle": 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"22,r0c0r0c1r0c2r0c3r1c1r1c2|15,r0c5r0c6r1c6r2c6|0,r0c4r1c3r1c4r1c5|22,r0c7r1c7r2c7r3c7|9,r0c8r1c8|12,r2c2r2c3|15,r1c0r2c0r3c0|17,r2c1r3c1|0,r3c2r3c3|0,r2c4r2c5r3c4|25,r3c5r3c6r4c6r5c5r5c6|16,r2c8r3c8|13,r4c0r4c1|7,r4c2r4c3|15,r4c4r4c5|8,r4c7r4c8|16,r5c0r6c0r7c0|0,r5c1r6c1|0,r5c2r5c3|14,r5c4r6c4r6c5|0,r5c8r6c8|0,r6c2r6c3|23,r7c3r7c4r7c5r8c4|0,r5c7r6c7r7c7r8c7|9,r7c8r8c8|0,r7c1r7c2r8c0r8c1r8c2r8c3|24,r6c6r7c6r8c5r8c6", "solution": "415732698732896451698451327287345169941678235563219874354167982876924513129583746", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10416, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10417, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-02-17", "puzzle": 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"16,r0c0r0c1r1c0|19,r0c3r0c4r0c5|13,r0c7r0c8r1c8|11,r0c2r1c1r1c2|13,r1c3r1c4r1c5|18,r0c6r1c6r1c7|9,r2c1r2c2|9,r2c4r3c4|12,r2c6r2c7|11,r2c0r3c0|16,r2c3r3c3|9,r2c5r3c5|7,r2c8r3c8|10,r3c1r4c1|10,r3c2r4c2|11,r4c3r4c4r4c5|10,r3c6r4c6|8,r3c7r4c7|9,r4c0r5c0|14,r5c1r5c2|13,r5c3r5c4r5c5|11,r5c6r5c7|11,r4c8r5c8|11,r6c0r6c1r6c2|13,r6c4r7c4r8c4|16,r6c6r6c7r6c8|11,r7c1r7c2|11,r6c3r7c3|6,r6c5r7c5|13,r7c6r7c7|18,r7c0r8c0r8c1|13,r8c2r8c3|8,r8c5r8c6|15,r7c8r8c7r8c8", "solution": "812469357754283961963751842231948675579326418486175293128594736347612589695837124", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10418, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10419, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-02-18", "puzzle": 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"15,r0c0r0c1|3,r0c3r0c4|0,r1c0r1c1|27,r0c2r1c2r2c2r2c3|7,r1c3r1c4|0,r0c5r1c5|0,r0c6r0c7r1c6|0,r0c8r1c8|0,r2c0r2c1|19,r1c7r2c6r2c7r2c8|19,r3c0r3c1r4c0|14,r2c4r3c4|16,r2c5r3c5r3c6|18,r4c1r5c0r5c1|0,r3c2r4c2|22,r3c3r4c3r4c4r4c5r5c5|0,r4c6r5c6|12,r3c7r3c8r4c7|14,r5c2r5c3r6c3|0,r5c4r6c4|15,r4c8r5c7r5c8|16,r6c0r6c1r6c2r7c1|9,r6c7r6c8|0,r7c0r8c0|17,r7c2r8c1r8c2|10,r7c3r8c3|5,r7c4r7c5|24,r6c5r6c6r7c6r8c6|13,r7c7r7c8|0,r8c4r8c5|4,r8c7r8c8", "solution": "693128574157346298248957136375491862962583741481762359814635927739214685526879413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10421, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10420, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-02-18", "puzzle": 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"14,r0c0r0c1r1c0|13,r0c2r0c3|13,r0c4r0c5|20,r1c1r1c2r2c1r2c2|12,r1c3r1c4r1c5|6,r0c6r0c7r1c6|26,r0c8r1c8r2c8r3c8|25,r2c3r3c2r3c3r3c4r4c3r4c4|11,r2c4r2c5|14,r1c7r2c7|7,r2c0r3c0|21,r2c6r3c6r4c6|16,r3c1r4c1r5c1|11,r3c5r4c5|5,r3c7r4c7|12,r4c0r5c0|6,r4c2r5c2|17,r5c3r5c4|11,r4c8r5c8r6c8|11,r6c0r6c1r7c0|17,r6c2r6c3r6c4|13,r5c5r5c6r6c5|10,r7c1r7c2|12,r7c3r7c4|32,r5c7r6c6r6c7r7c5r7c6r7c7|20,r8c0r8c1r8c2r8c3|18,r8c4r8c5r8c6|12,r7c8r8c7r8c8", "solution": "937658214256741389481329567398514726514267938762893451145936872673482195829175643", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10424, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10423, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2015-02-19", "puzzle": "18,r0c3r0c4r0c5|9,r0c6r0c7|10,r0c0r1c0|6,r0c1r1c1r2c1|15,r0c2r1c2|12,r1c3r1c4|11,r1c5r1c6|16,r0c8r1c8r2c8|9,r2c2r2c3|10,r2c4r2c5r3c5|11,r1c7r2c6r2c7|14,r2c0r3c0|9,r3c3r3c4|15,r3c7r3c8|23,r3c1r4c0r4c1|8,r3c2r4c2r5c2|18,r4c3r4c4r4c5|13,r3c6r4c6r5c6|8,r4c7r4c8r5c7|9,r5c0r5c1|12,r5c4r5c5|14,r5c8r6c8|19,r6c1r6c2r7c1|11,r5c3r6c3r6c4|4,r6c5r6c6|11,r6c0r7c0r8c0|3,r7c2r7c3|17,r7c4r7c5|10,r7c6r8c6|23,r6c7r7c7r8c7|6,r7c8r8c8|13,r8c1r8c2|18,r8c3r8c4r8c5", "solution": "627819453438752916915436827594361278863927541271584639786243195352198764149675382", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10423, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10425, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-02-19", "puzzle": 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"0,r0c2r0c3|0,r0c4r0c5r0c6|13,r0c0r1c0|7,r0c1r1c1|0,r1c5r1c6|20,r0c7r0c8r1c7r1c8|0,r2c0r2c1|0,r1c2r2c2|12,r1c3r1c4r2c3|14,r2c5r2c6|10,r2c7r2c8|4,r3c0r3c1|7,r3c2r3c3|29,r2c4r3c4r4c4r5c4r6c4|16,r3c6r3c7r4c6|21,r4c0r4c1r5c0|8,r4c3r5c3|11,r3c5r4c5|15,r3c8r4c7r4c8|18,r4c2r5c1r5c2|10,r5c5r5c6|7,r5c7r5c8|11,r6c0r6c1|0,r6c2r6c3|15,r6c5r7c4r7c5|0,r6c6r7c6|11,r6c7r6c8|0,r7c0r7c1r8c0r8c1|0,r7c2r7c3|0,r7c7r8c7|0,r7c8r8c8|14,r8c2r8c3r8c4|0,r8c5r8c6", "solution": "839756241547132869621849573312587694756294138984613725298471356475368912163925487", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10426, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10428, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2015-02-20", "puzzle": 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"15,r0c1r0c2|15,r0c3r0c4|4,r0c6r0c7|6,r0c0r1c0|7,r1c1r1c2|5,r1c3r1c4|10,r0c5r1c5r2c5|17,r1c6r1c7|14,r0c8r1c8r2c8|16,r2c3r2c4r3c3|11,r2c0r3c0|8,r2c1r3c1|13,r2c2r3c2|18,r2c6r2c7r3c6|12,r3c8r4c8|16,r4c1r5c1|14,r4c2r4c3r5c3|14,r3c4r4c4r5c4|21,r3c5r4c5r4c6|6,r3c7r4c7|4,r4c0r5c0|9,r5c2r6c1r6c2|3,r5c6r6c6|12,r5c7r6c7|7,r5c8r6c8|21,r5c5r6c4r6c5|24,r6c0r7c0r8c0|8,r7c1r7c2|22,r6c3r7c3r8c3|4,r7c4r7c5|16,r7c6r7c7|12,r7c8r8c8|6,r8c1r8c2|6,r8c4r8c5|9,r8c6r8c7", "solution": "287694315461325987539781462654137829178269543392458176943876251826513794715942638", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10513, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10514, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2015-03-09", "puzzle": 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"20,r0c0r0c1r1c0r1c1|12,r0c3r0c4|11,r0c5r0c6|0,r0c7r0c8r1c8|3,r1c3r1c4|0,r0c2r1c2r2c0r2c1r2c2r2c3r3c2|16,r1c5r2c4r2c5|18,r1c6r1c7r2c6|0,r2c7r2c8|0,r3c1r4c1|24,r3c3r3c4r4c3|15,r3c7r3c8|9,r3c0r4c0|6,r3c5r3c6r4c6|0,r4c2r5c1r5c2|0,r4c4r4c5r5c4|20,r5c5r5c6r6c5|0,r4c7r5c7|0,r4c8r5c8r6c8|0,r5c0r6c0|0,r6c1r6c2r7c1|0,r5c3r6c3r6c4|18,r6c6r6c7r7c6r7c7|15,r7c4r7c5|20,r7c0r8c0r8c1|0,r7c2r8c2|0,r7c3r8c3|0,r8c4r8c5r8c6|16,r7c8r8c7r8c8", "solution": "469758312378124569512639748254873196783961254691245873146387925827596431935412687", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10622, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10623, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2015-03-31", "puzzle": "11,r0c4r0c5|23,r0c6r0c7r1c7|6,r0c0r1c0|11,r0c1r1c1|17,r0c2r0c3r1c2|5,r1c3r1c4|8,r1c5r1c6|14,r0c8r1c8r2c8|10,r2c0r2c1|23,r2c2r2c3r2c4|11,r3c1r3c2|14,r3c3r3c4|3,r2c5r3c5|7,r2c6r2c7r3c6|11,r3c7r3c8|15,r3c0r4c0r5c0|5,r4c3r4c4|5,r4c7r4c8|12,r4c1r5c1|10,r4c2r5c2r6c2|11,r5c3r5c4|14,r4c5r5c5|13,r4c6r5c6|8,r6c0r6c1|16,r6c3r6c4r7c3|13,r6c5r6c6|7,r5c7r6c7|15,r5c8r6c8|23,r7c0r7c1r7c2|9,r7c5r7c6|7,r8c0r8c1|10,r8c2r8c3|3,r7c4r8c4|15,r8c5r8c6|16,r7c7r8c7|4,r7c8r8c8", "solution": "451783962269145387378962145647591238895236714132478659713859426986324571524617893", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10623, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10624, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2015-03-31", "puzzle": 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"10,r0c6r0c7r0c8|3,r0c0r1c0|13,r0c1r1c1|16,r0c2r1c2|8,r0c3r1c3r2c3|10,r0c4r1c4|20,r0c5r1c5r1c6|9,r1c7r2c7|15,r2c4r2c5|16,r1c8r2c8|7,r2c0r3c0|15,r2c1r3c1|9,r2c2r3c2r4c2|8,r3c3r3c4|13,r2c6r3c5r3c6|13,r3c7r3c8|10,r4c0r4c1|11,r4c3r4c4r4c5|13,r4c7r4c8|13,r5c0r5c1|14,r5c2r5c3r6c2|14,r5c4r5c5|16,r4c6r5c6r6c6|9,r5c7r6c7|11,r5c8r6c8|14,r6c0r7c0|5,r6c3r6c4|4,r6c1r7c1|24,r7c2r7c3r8c3|8,r7c4r8c4|16,r6c5r7c5r8c5|9,r7c6r8c6|4,r7c7r8c7|8,r7c8r8c8|17,r8c0r8c1r8c2", "solution": "287549361159263847463187259391624785825371694674895123532416978918752436746938512", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10638, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10639, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2015-04-03", "puzzle": 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"20,r0c3r0c4r1c3r1c4|0,r0c6r0c7r0c8r1c8r2c8|15,r0c0r1c0|22,r0c1r0c2r1c1r1c2|3,r0c5r1c5|7,r1c6r1c7r2c7|0,r2c0r2c1r2c2|0,r3c1r3c2|15,r2c3r3c3|0,r3c4r3c5r4c4r4c5|0,r2c4r2c5r2c6r3c6r4c6|16,r3c7r3c8|12,r3c0r4c0|21,r4c7r4c8r5c7r5c8|18,r4c1r4c2r4c3r5c1|0,r5c5r5c6|13,r5c0r6c0r6c1|0,r5c2r5c3r6c2r6c3|7,r6c5r7c5|13,r5c4r6c4r7c3r7c4|19,r6c6r7c6r8c6|17,r6c7r6c8r7c7r7c8|18,r7c0r7c1r8c0r8c1|20,r7c2r8c2r8c3|0,r8c4r8c5|9,r8c7r8c8", "solution": "672341895985762413134985627453628179869157234721439568516873942398214756247596381", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10736, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10737, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-04-22", "puzzle": 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"15,r0c4r0c5r1c4|22,r0c7r0c8r1c7r1c8|32,r0c0r0c1r0c2r0c3r1c0r1c3|8,r0c6r1c5r1c6|13,r1c1r2c1r3c1|12,r1c2r2c2|18,r2c7r2c8r3c7|6,r2c0r3c0|12,r2c3r3c2r3c3|8,r2c4r3c4|27,r2c5r2c6r3c5r3c6|12,r3c8r4c7r4c8|17,r4c1r4c2|7,r4c5r4c6|6,r4c0r5c0|19,r4c3r4c4r5c3r5c4|18,r5c5r5c6r6c5|18,r5c2r6c2r6c3|10,r6c4r7c4|9,r6c6r6c7|19,r5c1r6c1r7c1r7c2r7c3|12,r7c5r7c6r7c7|32,r6c0r7c0r8c0r8c1r8c2|9,r8c3r8c4|12,r8c5r8c6|32,r5c7r5c8r6c8r7c8r8c7r8c8", "solution": "765943281394281576218567394436128957589476132127359468643815729851792643972634815", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10816, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10818, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-05-08", "puzzle": 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"16,r0c1r0c2|13,r0c5r0c6r0c7|9,r0c0r1c0r2c0|7,r1c1r1c2|19,r0c3r0c4r1c3|9,r1c5r1c6r2c5|20,r0c8r1c7r1c8|16,r2c1r2c2r2c3|12,r1c4r2c4|7,r2c6r2c7r3c7|8,r3c0r3c1r3c2|22,r3c5r3c6r4c6|17,r2c8r3c8|11,r4c0r4c1|12,r4c2r4c3|15,r3c3r3c4r4c4|4,r4c7r4c8|14,r5c1r5c2|3,r5c3r5c4|16,r4c5r5c5r6c5|19,r5c0r6c0r7c0|7,r6c3r6c4|21,r5c6r5c7r6c7|7,r5c8r6c8r7c8|9,r6c1r6c2r7c1|12,r7c2r8c2|13,r7c5r8c5r8c6|22,r6c6r7c6r7c7|12,r8c0r8c1|14,r7c3r8c3|10,r7c4r8c4|9,r8c7r8c8", "solution": "197284365634951287258376149341569728925748613786123594862435971413697852579812436", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10819, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10820, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2015-05-09", "puzzle": "11,r0c0r0c1r1c0|17,r0c2r0c3|20,r0c4r0c5r1c3r1c4|16,r0c6r1c6r2c6|15,r0c7r1c7|9,r0c8r1c8|14,r1c1r1c2r2c1|14,r1c5r2c5r3c5r4c5|6,r2c7r2c8r3c7|11,r2c0r3c0|29,r2c2r2c3r2c4r3c2r4c2|18,r3c3r3c4r4c3r4c4|12,r3c6r4c6|11,r3c8r4c8|23,r3c1r4c0r4c1r5c0|16,r5c1r5c2r5c3r5c4|20,r5c5r5c6r6c5r6c6|18,r4c7r5c7r5c8|14,r6c0r6c1r6c2|5,r6c3r6c4|3,r7c0r7c1|18,r7c4r7c5r8c5|43,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|17,r8c0r8c1|16,r7c2r7c3r8c2|9,r8c3r8c4", "solution": "368925174241763985795814623479386512836251749512497368653148297124579836987632451", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10820, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10822, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-05-09", "puzzle": "10,r0c4r0c5r0c6r0c7|0,r0c0r0c1r1c0r1c1r2c0r3c0|0,r0c2r1c2|18,r0c3r1c3r2c3|15,r1c4r1c5|5,r1c6r1c7|23,r0c8r1c8r2c8r3c8|19,r2c1r2c2r3c1|0,r2c5r2c6r2c7|0,r3c2r3c3|10,r2c4r3c4|0,r3c5r3c6|0,r4c0r4c1r5c1|31,r4c2r4c3r4c4r4c5r4c6|10,r3c7r4c7r4c8|4,r5c2r5c3|16,r5c4r6c4|0,r5c5r5c6|0,r6c1r6c2r6c3|15,r5c7r6c6r6c7|0,r5c0r6c0r7c0r8c0|17,r7c1r7c2|4,r7c3r7c4|18,r6c5r7c5r8c5|8,r7c6r8c6|35,r5c8r6c8r7c7r7c8r8c7r8c8|0,r8c1r8c2r8c3r8c4", "solution": "857923146614587239329461785782645913145839672963172458531796824298314567476258391", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10822, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10821, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-05-09", "puzzle": "6,r0c2r0c3|15,r0c7r0c8|16,r0c0r0c1r1c0r1c1|21,r0c4r0c5r0c6r1c4r1c5|15,r1c2r2c2r3c1r3c2|12,r1c3r2c3|11,r2c5r3c5|14,r1c6r2c6r3c6|22,r1c7r1c8r2c7r2c8r3c7|22,r2c0r2c1r3c0|28,r2c4r3c4r4c4r5c4r6c4|9,r4c0r5c0|15,r4c1r4c2|9,r3c3r4c3|10,r4c5r5c5|8,r4c6r4c7|12,r3c8r4c8|9,r5c8r6c7r6c8|23,r5c1r6c0r6c1r7c0r7c1|19,r5c2r6c2r7c2|15,r5c3r6c3|3,r6c5r7c5|24,r5c6r5c7r6c6r7c6|22,r7c3r7c4r8c2r8c3r8c4|25,r7c7r7c8r8c7r8c8|10,r8c0r8c1|10,r8c5r8c6", "solution": "714238596269514387853796412921865743587143629436927851148672935695381274372459168", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10821, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10823, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-05-09", "puzzle": "22,r0c0r0c1r1c0r1c1|0,r0c2r0c3r1c3|6,r0c4r0c5|0,r0c6r0c7r0c8|14,r1c4r1c5r1c6|0,r1c7r1c8|0,r1c2r2c1r2c2|6,r2c3r2c4|8,r2c0r3c0r3c1|0,r3c3r3c4r4c3|0,r2c5r2c6r3c5|0,r2c7r3c7|13,r2c8r3c8r4c8|5,r3c2r4c2|0,r3c6r4c6|0,r4c0r5c0|0,r4c1r5c1r6c1|0,r5c2r5c3r6c2|0,r4c4r4c5r5c4r5c5|0,r4c7r5c7r5c8|0,r6c3r6c4|21,r5c6r6c5r6c6|10,r6c7r6c8|0,r6c0r7c0r8c0|0,r7c2r7c3|0,r7c4r7c5r8c5|10,r7c6r8c6|11,r7c1r8c1|0,r8c2r8c3r8c4|19,r7c7r7c8r8c7r8c8", "solution": "786942153521873496394516287413798562862135974957264831235487619178629345649351728", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10823, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10824, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2015-05-10", "puzzle": 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"8,r0c3r1c3|16,r0c6r0c7|14,r0c0r1c0|15,r0c1r0c2r1c1|7,r0c4r1c4|16,r0c5r1c5r1c6|9,r0c8r1c8r2c8|12,r2c0r2c1r3c0|6,r1c2r2c2|22,r2c3r2c4r2c5|10,r1c7r2c7|12,r3c1r3c2|7,r4c0r5c0|12,r4c1r5c1|15,r4c2r5c2r6c2|17,r3c3r4c3r5c3|10,r3c4r4c4r5c4|18,r3c5r4c5r5c5|16,r2c6r3c6r4c6|9,r3c7r4c7|6,r3c8r4c8|10,r5c6r5c7|11,r6c1r7c1|17,r6c3r6c4r6c5|5,r6c6r7c6|20,r5c8r6c7r6c8|19,r6c0r7c0r8c0|10,r7c2r7c3r8c3|14,r7c4r8c4|11,r7c7r8c6r8c7|15,r7c8r8c8|6,r8c1r8c2|10,r7c5r8c5", "solution": "568241793912637845374985261239876514647513982185429376823764159796152438451398627", "extra": "{\"grid_size\": 9, \"puzzle_number\": 10934, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 10935, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2015-06-01", "puzzle": 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"23,r0c0r0c1r0c2|6,r0c3r0c4r0c5|11,r0c7r0c8|7,r1c0r1c1r2c1|9,r0c6r1c6r1c7|17,r1c2r1c3r2c3|11,r1c4r2c4|16,r1c5r2c5|15,r1c8r2c8|12,r2c0r3c0r3c1|11,r2c2r3c2|10,r3c3r3c4|16,r2c6r2c7r3c6|21,r3c7r3c8r4c7|17,r4c0r4c1r5c1|9,r4c2r4c3r5c3|11,r3c5r4c4r4c5|17,r5c4r5c5|7,r4c6r5c6r6c6|13,r4c8r5c7r5c8|14,r5c0r6c0r6c1|16,r5c2r6c2|12,r6c7r6c8|14,r7c0r7c1|17,r6c3r7c2r7c3|9,r6c4r6c5r7c4|11,r7c5r7c6|9,r8c0r8c1|9,r8c2r8c3|20,r8c4r8c5r8c6|11,r7c7r8c7|4,r7c8r8c8", "solution": "986231547425867319713459826148372695392645178657198432539716284861924753274583961", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11024, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11026, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-06-19", "puzzle": 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"16,r0c0r0c1r1c0r1c1|17,r0c4r0c5|18,r0c2r0c3r1c2|12,r1c3r1c4r2c3|15,r0c6r1c5r1c6|17,r0c7r0c8r1c7r1c8|9,r2c1r2c2|13,r2c4r2c5r3c5|19,r2c6r2c7r2c8|10,r2c0r3c0|12,r4c0r5c0|9,r3c1r4c1|16,r4c2r5c1r5c2|6,r3c2r3c3r4c3|19,r3c4r4c4r5c4|18,r4c5r5c5r5c6|17,r3c6r3c7r4c6|8,r4c7r5c7|5,r3c8r4c8|8,r5c8r6c8|15,r6c0r6c1r6c2|20,r5c3r6c3r6c4|12,r6c6r6c7|21,r7c0r7c1r8c0r8c1|15,r7c2r7c3r8c2|9,r6c5r7c4r7c5|15,r7c6r8c5r8c6|10,r8c3r8c4|24,r7c7r7c8r8c7r8c8", "solution": "517289463829436517463571829642395781958167234371842956186754392795623148234918675", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11025, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11027, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-06-19", "puzzle": "6,r0c4r0c5|0,r0c7r0c8r1c7r1c8|17,r0c0r0c1r1c0|21,r0c2r1c1r1c2|0,r0c3r1c3|10,r1c4r1c5|20,r0c6r1c6r2c6r2c7r2c8|0,r2c0r2c1|10,r2c2r2c3|0,r3c0r3c1r4c1|34,r2c4r2c5r3c5r3c6r4c6|0,r3c7r4c7|0,r3c8r4c8|13,r3c2r4c2|0,r3c3r4c3|10,r3c4r4c4r4c5|5,r4c0r5c0|0,r5c4r5c5|10,r5c6r6c6|0,r5c7r5c8|26,r5c1r6c1r6c2r7c2r7c3|0,r5c2r5c3r6c3|0,r6c4r6c5|0,r6c7r6c8r7c7|32,r6c0r7c0r7c1r8c0r8c1r8c2|0,r7c4r7c5r8c5|0,r7c6r8c6|0,r8c3r8c4|8,r7c8r8c7r8c8", "solution": "369524187875391246214678593536719428187245639492863715928156374753482961641937852", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11027, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11029, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2015-06-20", "puzzle": 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"12,r0c3r0c4|8,r0c5r0c6r0c7|18,r0c0r0c1r1c0r1c1|13,r0c2r1c2|15,r1c3r1c4|8,r0c8r1c8|6,r2c0r2c1|23,r2c2r2c3r3c2r3c3|7,r1c5r2c5|15,r1c6r1c7r2c6|20,r2c4r3c4r4c2r4c3r4c4|22,r2c7r2c8r3c7|8,r3c0r4c0|13,r3c1r4c1|32,r3c5r4c5r5c3r5c4r5c5|10,r3c6r4c6|10,r3c8r4c7r4c8|4,r5c1r5c2|22,r5c0r6c0r7c0|13,r6c1r6c2r7c1|6,r6c3r6c4|12,r5c8r6c8|16,r7c2r7c3r8c2|31,r5c6r5c7r6c5r6c6r7c5|13,r6c7r7c6r7c7|11,r8c0r8c1|17,r7c4r8c3r8c4|4,r8c5r8c6|16,r7c8r8c7r8c8", "solution": "369481527724695381158732469245319876697548213813267954932156748581974632476823195", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11030, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11032, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-06-20", "puzzle": "10,r0c0r0c1r0c2r0c3|15,r0c7r0c8|20,r1c0r1c1r1c2r2c2|17,r0c4r1c3r1c4|22,r0c5r0c6r1c5|13,r1c6r1c7r1c8|25,r2c0r2c1r3c0r4c0|0,r2c3r2c4|15,r2c5r2c6r2c7r2c8|0,r3c1r4c1|13,r3c2r3c3|0,r3c7r3c8|20,r3c4r4c3r4c4|0,r3c5r4c5|0,r3c6r4c6r4c7|0,r5c0r5c1|0,r4c2r5c2r5c3|23,r5c4r5c5r5c6r5c7|0,r4c8r5c8|6,r6c0r6c1|12,r6c5r6c6|0,r7c0r7c1r8c0r8c1r8c2r8c3|14,r6c2r7c2|0,r6c3r7c3|0,r6c4r7c4|10,r7c5r7c6r7c7|24,r6c7r6c8r7c8r8c8|14,r8c4r8c5|4,r8c6r8c7", "solution": "341269587652748913897513264189437625725986341463152798516324879938671452274895136", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11032, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11034, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2015-06-21", "puzzle": "24,r0c1r0c2r1c1|13,r0c5r0c6r0c7|3,r0c8r1c8|6,r0c0r1c0|19,r0c3r1c2r1c3|6,r0c4r1c4r2c4|15,r1c5r1c6|9,r2c0r2c1|7,r2c2r2c3|9,r2c5r3c5|12,r1c7r2c7|6,r3c3r3c4|24,r2c6r3c6r3c7|10,r2c8r3c8|13,r3c0r4c0|6,r3c1r4c1|10,r3c2r4c2|23,r4c3r4c4r4c5|9,r4c6r5c6|3,r4c7r5c7|12,r4c8r5c8|5,r5c0r6c0|19,r5c1r5c2r6c2|8,r5c4r5c5|8,r6c1r7c1|11,r5c3r6c3|3,r6c5r6c6|16,r6c7r6c8|10,r7c2r7c3|24,r6c4r7c4r8c4|14,r7c5r7c6r8c5|13,r7c8r8c8|15,r7c0r8c0|8,r8c1r8c2r8c3|12,r7c7r8c6r8c7", "solution": "578924631194637852632518974953241786417869523286753419365482197829176345741395268", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11034, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11035, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2015-06-21", "puzzle": "24,r0c0r0c1r0c2r0c3|17,r0c7r0c8r1c8|4,r1c0r1c1|10,r1c3r2c3|9,r0c4r0c5r1c4|12,r1c2r2c2|28,r0c6r1c6r1c7r2c6r2c7r2c8|9,r2c0r3c0|13,r2c1r3c1|17,r2c4r3c4|22,r1c5r2c5r3c5r3c6r3c7|10,r4c0r4c1|12,r3c2r4c2|13,r4c5r4c6|18,r3c8r4c7r4c8|10,r5c0r5c1|28,r3c3r4c3r4c4r5c3r5c4r5c5|10,r5c6r5c7|13,r5c2r6c2r6c3|14,r6c4r6c5|3,r6c6r6c7|14,r6c1r7c1r7c2|14,r7c3r8c3|4,r7c4r8c4|6,r7c5r7c6|8,r7c7r8c7|25,r5c8r6c8r7c8r8c8|23,r6c0r7c0r8c0r8c1r8c2|15,r8c5r8c6", "solution": "694521378135768942287394561759283614823146795461975283378459126916832457542617839", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11035, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11031, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-06-20", "puzzle": 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"14,r0c0r0c1r1c0r1c1|7,r0c2r0c3|12,r0c4r0c5|15,r1c2r1c3|20,r0c6r0c7r1c6r1c7|19,r0c8r1c8r2c7r2c8|23,r1c4r1c5r2c4r2c5r2c6|12,r2c0r3c0|15,r2c1r3c1|15,r2c2r2c3r3c2r3c3|10,r3c7r3c8|12,r3c4r4c3r4c4|17,r3c5r3c6r4c5|7,r4c6r4c7|9,r4c0r5c0|27,r4c1r4c2r5c1r5c2r6c2|19,r5c3r5c4r6c3|9,r4c8r5c8|23,r6c0r6c1r7c0r7c1|15,r5c5r5c6r6c5|37,r5c7r6c6r6c7r6c8r7c5r7c6r8c6|11,r6c4r7c4|16,r7c7r7c8r8c7r8c8|19,r7c2r8c0r8c1r8c2|7,r7c3r8c3|15,r8c4r8c5", "solution": "231684795456927138987135642372546819849713256165892473713269584698451327524378961", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11061, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11063, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-06-26", "puzzle": 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"11,r0c0r0c1r1c0|22,r0c2r0c3r1c1r1c2|15,r0c4r0c5r1c4|0,r0c6r0c7r1c5r1c6r1c7|0,r0c8r1c8|10,r2c0r2c1|12,r1c3r2c3r3c3|8,r2c4r2c5|0,r2c6r2c7|13,r3c0r3c1|19,r2c2r3c2r4c2|0,r3c5r3c6|0,r2c8r3c8|14,r4c0r4c1r5c1|31,r3c4r4c3r4c4r4c5r5c4|0,r3c7r4c7r4c8|3,r5c0r6c0|11,r5c2r5c3|0,r4c6r5c6r6c6|13,r5c7r5c8|0,r6c1r6c2|10,r6c3r6c4|0,r5c5r6c5r7c5|0,r6c7r6c8|0,r7c0r8c0|16,r7c1r7c2r7c3r8c1r8c2|0,r7c4r8c3r8c4|29,r7c6r7c7r8c5r8c6|12,r7c8r8c7r8c8", "solution": "412759368685314729379862451854126973936578214127493685298645137743281596561937842", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11062, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11064, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2015-06-27", "puzzle": 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"18,r0c2r0c3r1c3|15,r0c5r0c6r1c5|7,r0c0r0c1r1c0|28,r1c1r1c2r2c1r2c2|10,r0c4r1c4|19,r1c6r1c7r2c6r2c7|17,r0c7r0c8r1c8|10,r2c3r2c4r2c5|16,r2c0r3c0|10,r2c8r3c8|32,r3c3r3c4r3c5r4c3r4c4r4c5|29,r3c1r3c2r4c0r4c1r4c2r5c0r5c1|35,r3c6r3c7r4c6r4c7r4c8r5c7r5c8|8,r6c0r6c1|20,r5c2r6c2r7c2|11,r5c4r6c4|15,r5c6r6c6r7c6|4,r6c7r6c8|11,r7c0r7c1r8c0|12,r5c3r6c3r7c3|19,r5c5r6c5r7c5|20,r7c7r7c8r8c8|13,r8c1r8c2|16,r7c4r8c3r8c4r8c5|10,r8c6r8c7", "solution": "213794568495816723786352194932475816541268379867139452624587931179643285358921647", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11115, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11117, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2015-07-07", "puzzle": 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"21,r0c4r0c5r0c6|16,r0c7r0c8r1c7r1c8|7,r0c0r1c0|13,r0c1r1c1|17,r0c2r1c2r2c2|10,r0c3r1c3|10,r1c5r1c6|8,r2c0r2c1|15,r1c4r2c3r2c4|12,r2c5r2c6r3c5r3c6|9,r2c7r3c7|15,r3c0r3c1r4c0|13,r3c2r3c3|13,r2c8r3c8r4c8|14,r4c1r4c2r5c2|30,r3c4r4c3r4c4r4c5r5c3r5c4|19,r4c6r4c7r5c6|8,r5c0r5c1|9,r5c5r6c5|16,r5c7r5c8|45,r6c0r6c1r6c2r7c0r7c1r7c2r8c0r8c1r8c2|11,r6c3r6c4r7c4|11,r6c6r6c7r6c8|15,r7c3r8c3|14,r7c5r8c4r8c5|13,r7c6r8c6|12,r7c7r7c8|9,r8c7r8c8", "solution": "352978614486153729179462358738596142594217863261384597947635281613829475825741936", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11150, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11151, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-07-14", "puzzle": 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"11,r0c5r0c6|8,r0c7r0c8|7,r0c0r1c0|16,r0c1r0c2r1c1|5,r0c3r1c3|12,r0c4r1c4|7,r2c0r2c1|15,r1c2r2c2|23,r1c5r1c6r2c5|12,r1c7r2c6r2c7|10,r1c8r2c8r3c8|12,r3c0r3c1|20,r2c3r3c2r3c3|3,r2c4r3c4|6,r3c5r4c5|15,r3c6r3c7|17,r4c0r4c1|9,r4c3r4c4|8,r4c7r4c8|13,r4c2r5c2r5c3|14,r5c4r5c5|9,r4c6r5c6|11,r5c7r5c8|7,r5c0r6c0|7,r5c1r6c1r7c1|7,r6c2r6c3|18,r6c6r6c7r6c8|11,r7c2r7c3|19,r6c4r6c5r7c4|24,r7c5r7c6r7c7|11,r7c0r8c0|22,r8c1r8c2r8c3|4,r8c4r8c5|7,r8c6r8c7|5,r7c8r8c8", "solution": "591473826267158943438926175753814692984362517612795438145287369326549781879631254", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11154, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11155, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2015-07-15", "puzzle": "18,r0c2r0c3r1c2|9,r0c5r0c6r1c6|12,r0c0r1c0r2c0|10,r0c1r1c1|12,r0c4r1c4r2c4|14,r0c7r1c7|12,r0c8r1c8r2c8|13,r2c1r2c2|10,r1c3r2c3|14,r1c5r2c5|11,r2c6r2c7|23,r3c0r3c1r4c0r4c1|12,r3c2r3c3|5,r3c5r3c6|21,r3c7r3c8r4c7r4c8|10,r4c2r4c3|7,r3c4r4c4|12,r4c5r4c6|5,r5c0r5c1|32,r5c2r5c3r5c4r5c5r5c6|8,r5c7r5c8|32,r6c0r6c1r6c2r7c0r8c0|27,r6c6r6c7r6c8r7c8r8c8|8,r6c3r7c3|13,r6c4r7c4|10,r6c5r7c5|9,r7c1r7c2r8c1|20,r8c2r8c3r8c4r8c5r8c6|16,r7c6r7c7r8c7", "solution": "439871562671425389285639741397564128568213974142987653953742816726198435814356297", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11155, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11156, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-07-15", "puzzle": "7,r0c5r1c5|20,r0c0r0c1r1c0r1c1|19,r0c2r0c3r0c4r1c2|15,r1c3r1c4|6,r0c6r1c6|6,r0c7r1c7|17,r0c8r1c8|19,r2c0r2c1r3c0r4c0|25,r2c5r2c6r2c7r2c8|21,r2c2r2c3r3c2r3c3|15,r3c5r3c6|19,r3c7r3c8r4c6r4c7|5,r3c1r4c1|24,r2c4r3c4r4c2r4c3r4c4|15,r5c0r5c1|9,r4c5r5c4r5c5|5,r4c8r5c8|10,r6c0r6c1|17,r5c2r6c2r7c2r8c2|8,r5c3r6c3|15,r5c6r6c5r6c6|22,r5c7r6c7r6c8|12,r7c0r7c1|19,r6c4r7c3r7c4r8c3|14,r7c5r7c6r8c6|9,r8c0r8c1|13,r8c4r8c5|19,r7c7r7c8r8c7r8c8", "solution": "967431258325876419481529673546918732219753864873642591194267385758394126632185947", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11156, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11159, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2015-07-16", "puzzle": "7,r0c0r0c1|13,r0c2r0c3|11,r0c5r0c6|7,r0c7r0c8|15,r1c1r1c2|21,r0c4r1c4r2c4|15,r1c6r1c7|9,r1c0r2c0|9,r2c1r2c2|19,r1c3r2c3r3c3|10,r1c5r2c5r3c5|9,r2c6r2c7|5,r1c8r2c8|11,r3c1r3c2|3,r3c6r3c7|11,r3c0r4c0|11,r4c1r4c2|8,r3c4r4c4r5c4|13,r4c6r4c7|15,r3c8r4c8|10,r5c0r5c1|9,r4c3r5c3|13,r4c5r5c5|8,r5c7r5c8|12,r6c0r6c1|9,r5c2r6c2|16,r6c4r7c4r8c4|14,r5c6r6c6|11,r6c7r6c8|12,r7c0r7c1r7c2|6,r6c3r7c3|11,r6c5r7c5|13,r7c6r7c7r7c8|13,r8c0r8c1|4,r8c2r8c3|11,r8c5r8c6|11,r8c7r8c8", "solution": "345872961269451783718693542574936128683215497192748635937124856426587319851369274", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11159, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11160, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-07-16", "puzzle": "18,r0c4r0c5r1c5|12,r0c0r0c1r1c0|23,r0c2r0c3r1c3r1c4|15,r0c6r0c7r1c6r1c7|31,r0c8r1c8r2c7r2c8r3c7|9,r1c1r2c1|14,r1c2r2c2|11,r2c0r3c0|16,r2c3r3c2r3c3|16,r2c4r2c5r3c4r3c5|9,r2c6r3c6|17,r4c0r5c0|5,r3c1r4c1|23,r4c2r4c3r4c4r4c5r4c6|9,r4c7r5c7|10,r3c8r4c8|10,r5c2r6c2|17,r5c3r5c4r6c3r6c4|14,r5c5r5c6r6c5|4,r5c8r6c8|6,r6c6r7c6|9,r6c7r7c7|28,r5c1r6c0r6c1r7c0r8c0|15,r7c1r7c2r8c1r8c2|28,r7c4r7c5r8c5r8c6|24,r7c8r8c7r8c8|12,r7c3r8c3r8c4", "solution": "184597326375862914629341875547638192913725648862914753798253461456189237231476589", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11160, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11161, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-07-16", "puzzle": 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"17,r0c0r0c1r1c0|8,r0c2r0c3|13,r0c4r1c4r2c4|11,r0c5r0c6|12,r0c7r0c8r1c8|12,r1c1r1c2|6,r1c6r1c7|12,r2c0r2c1|15,r1c3r2c3|5,r1c5r2c5|16,r2c7r2c8|5,r3c0r3c1|17,r2c2r3c2r4c2|13,r2c6r3c6r4c6|14,r3c7r3c8|18,r4c0r4c1r5c0|10,r3c3r4c3|8,r3c4r4c4|15,r3c5r4c5|9,r4c7r4c8r5c8|8,r5c1r5c2|12,r5c3r5c4r5c5|14,r5c6r5c7|17,r6c0r6c1r6c2|8,r6c4r7c4|18,r6c6r6c7r6c8|11,r7c1r7c2|6,r6c3r7c3|15,r6c5r7c5|4,r7c6r7c7|14,r7c0r8c0|3,r8c1r8c2|16,r8c3r8c4r8c5|14,r8c6r8c7|9,r7c8r8c8", "solution": "291745638657983241483612579145239786739856124826471953368127495974568312512394867", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11169, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11170, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-07-18", "puzzle": 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"23,r0c1r0c2r0c3|5,r0c4r0c5|12,r0c6r0c7|13,r0c0r1c0r2c0|16,r1c3r1c4|13,r1c5r1c6r1c7|11,r0c8r1c8|9,r1c1r2c1|8,r1c2r2c2|8,r2c3r2c4|4,r2c5r2c6|13,r2c7r2c8|12,r3c0r3c1|12,r3c4r3c5|12,r3c6r3c7|21,r4c0r4c1r5c0|9,r3c2r3c3r4c2|10,r4c3r4c4r4c5|19,r4c6r5c5r5c6|14,r3c8r4c7r4c8|4,r5c1r5c2|15,r5c3r5c4|7,r5c7r5c8|10,r6c0r6c1|11,r6c2r6c3|14,r6c4r6c5|14,r6c6r7c6|10,r6c7r7c7|9,r7c0r8c0|15,r7c1r7c2r7c3|4,r7c4r7c5|7,r6c8r7c8r8c8|12,r8c1r8c2|6,r8c3r8c4|23,r8c5r8c6r8c7", "solution": "269814753413975268785263149572148396946352817831697425194786532628531974357429681", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11174, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11175, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2015-07-19", "puzzle": "14,r0c1r0c2r1c1|14,r0c6r0c7|5,r0c0r1c0|3,r0c3r1c3|19,r0c4r0c5r1c4|22,r1c5r1c6r1c7|11,r0c8r1c8|17,r1c2r2c2r2c3|4,r2c7r2c8|17,r2c0r2c1r3c0|12,r3c1r3c2|8,r2c4r3c3r3c4|17,r2c5r2c6r3c5r3c6|23,r3c7r3c8r4c8|30,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|19,r4c0r5c0r5c1|26,r5c2r5c3r6c2r6c3|13,r5c4r5c5r6c4|10,r5c6r5c7|11,r5c8r6c7r6c8|4,r6c0r6c1|17,r6c5r6c6r7c6|13,r7c0r8c0|15,r7c1r7c2r7c3|14,r7c4r8c3r8c4|4,r7c5r8c5|14,r7c8r8c8|16,r8c1r8c2|13,r7c7r8c6r8c7", "solution": "153297864462138957789645213275316498931874526648952371314569782526783149897421635", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11175, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11176, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-07-19", "puzzle": 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"0,r0c0r0c1r0c2|0,r0c4r0c5|0,r0c6r0c7|4,r1c0r1c1|0,r0c3r1c3r2c3|16,r1c4r1c5r2c4|10,r0c8r1c8|0,r1c2r2c2|20,r1c6r1c7r2c6|0,r2c0r3c0|5,r2c1r3c1|7,r3c2r3c3r3c4|8,r2c5r3c5|21,r2c7r3c6r3c7|8,r2c8r3c8|10,r4c0r4c1r4c2|19,r4c3r4c4r4c5|16,r4c6r4c7r4c8|15,r5c0r6c0|20,r5c1r5c2r6c1|0,r5c3r6c3|10,r5c4r5c5r5c6|5,r5c7r6c7|0,r5c8r6c8|0,r6c2r7c1r7c2|0,r6c6r7c6|0,r7c0r8c0|0,r6c4r7c3r7c4|0,r6c5r7c5r8c5|0,r7c7r7c8|13,r8c1r8c2|0,r8c3r8c4|22,r8c6r8c7r8c8", "solution": "478953261316482759529761843632147985154298376897536124741629538963875412285314697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11182, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11183, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2015-07-20", "puzzle": 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"18,r0c0r0c1r1c0|0,r0c2r0c3|7,r0c5r0c6|0,r1c1r1c2r2c1r2c2|17,r0c4r1c4|12,r1c5r1c6|0,r0c7r1c7|0,r0c8r1c8|0,r2c6r2c7|0,r2c0r3c0|25,r1c3r2c3r3c1r3c2r3c3|3,r2c4r3c4|0,r2c5r3c5|0,r3c6r3c7|0,r2c8r3c8|11,r4c0r4c1|12,r4c2r4c3|15,r4c6r4c7|8,r5c2r5c3|13,r4c4r4c5r5c4|6,r4c8r5c8|0,r5c0r6c0|0,r5c1r6c1|9,r6c4r7c4|0,r5c5r5c6r6c5r6c6|0,r5c7r6c7r6c8|5,r7c0r7c1|0,r6c2r7c2|0,r6c3r7c3|0,r7c5r7c6r8c6|0,r7c7r7c8r8c7r8c8|17,r8c0r8c1|13,r8c2r8c3|0,r8c4r8c5", "solution": "394586172621497538875123469738915624569342781142678395257834916413269857986751243", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11198, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11201, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-07-24", "puzzle": "11,r0c2r0c3r0c4|20,r0c6r0c7r0c8|13,r0c0r0c1r1c0|32,r1c1r1c2r2c1r2c2r2c3r3c2|17,r1c3r1c4|8,r0c5r1c5|9,r2c4r2c5|15,r1c6r2c6r3c6|12,r1c7r1c8r2c7|18,r2c0r3c0r4c0|11,r3c7r4c7|9,r2c8r3c8|10,r3c1r4c1|17,r3c3r3c4r4c3r4c4|11,r3c5r4c5r4c6|7,r5c0r5c1|10,r4c2r5c2|16,r5c3r5c4r6c4|23,r5c5r5c6r6c5|17,r4c8r5c7r5c8r6c8|13,r6c1r6c2r6c3|16,r6c6r6c7r7c6|19,r6c0r7c0r8c0|12,r7c1r7c2r8c1|12,r7c3r7c4|21,r7c7r7c8r8c7r8c8|11,r8c2r8c3|15,r7c5r8c4r8c5r8c6", "solution": "483172569175896432629354871796541328518263794342789615234618957851937246967425183", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11201, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11203, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-07-24", "puzzle": "15,r0c0r0c1r0c2|17,r0c3r0c4|6,r0c6r0c7|0,r1c1r1c2|20,r0c5r1c4r1c5r2c4r2c5|0,r0c8r1c8|0,r1c0r2c0r2c1r2c2|0,r1c3r2c3|0,r1c6r2c6|10,r1c7r2c7|0,r3c0r3c1|0,r3c2r3c3|0,r3c4r3c5|0,r2c8r3c7r3c8|0,r4c0r4c1|0,r4c2r5c2|19,r4c3r4c4r4c5|16,r3c6r4c6|6,r4c7r4c8|0,r5c0r5c1r6c0|11,r5c3r5c4|15,r5c5r5c6|4,r5c7r5c8|16,r6c1r7c1|6,r6c2r7c2|0,r6c5r7c5|0,r6c6r6c7r6c8r7c8|11,r7c0r8c0|25,r6c3r6c4r7c3r7c4r8c3|0,r7c6r7c7|0,r8c1r8c2|0,r8c4r8c5|19,r8c6r8c7r8c8", "solution": "267983154389145627145762389928314765713856942456297813874531296692478531531629478", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11203, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11199, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2015-07-24", "puzzle": "8,r0c0r0c1|9,r0c7r0c8|11,r0c2r1c2|10,r0c3r1c3|10,r0c4r1c4|8,r0c5r1c5|16,r0c6r1c6|13,r1c0r2c0|10,r1c1r2c1|9,r2c2r2c3|8,r2c5r2c6|14,r1c7r2c7|5,r1c8r2c8|3,r3c0r3c1|16,r3c2r3c3|10,r2c4r3c4|13,r3c5r3c6|7,r3c7r3c8|19,r4c0r4c1r5c0|15,r4c2r4c3r5c2|5,r4c4r5c4|11,r4c5r4c6r5c6|22,r4c7r4c8r5c8|12,r5c1r6c1r7c1|22,r5c3r6c2r6c3|17,r5c5r6c5r6c6|13,r5c7r6c7r7c7|18,r6c0r7c0r8c0|3,r7c2r7c3|20,r6c4r7c4r8c4|7,r7c5r7c6|18,r6c8r7c8r8c8|11,r8c1r8c2r8c3|12,r8c5r8c6r8c7", "solution": "267813945814295763593647182129768534785431296436529817348972651652184379971356428", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11199, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11200, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-07-24", "puzzle": 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"14,r0c2r0c3r1c3|0,r0c7r0c8|25,r0c0r0c1r1c0r1c1|15,r0c4r1c4r2c4|0,r0c5r1c5r2c5|18,r0c6r1c6r2c6|0,r1c7r1c8|19,r1c2r2c1r2c2r2c3r3c2|25,r2c7r2c8r3c7r3c8|12,r2c0r3c0r3c1|8,r3c5r3c6|14,r4c0r4c1r4c2|28,r3c3r3c4r4c3r4c4|0,r4c5r4c6r4c7|24,r5c0r5c1r5c2|27,r5c5r5c6r5c7r6c5r6c6r7c5|6,r4c8r5c8|0,r6c0r6c1r6c2|11,r5c3r6c3|7,r5c4r6c4r7c4|0,r6c7r6c8r7c6r7c7r8c6|0,r7c0r8c0|7,r7c1r8c1|16,r7c2r7c3r8c2r8c3|0,r8c4r8c5|9,r7c8r8c7r8c8", "solution": "285174963693852417741936528412785396536491872879623154368517249127349685954268731", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11207, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11208, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-07-25", "puzzle": 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"11,r0c6r0c7r1c7|21,r0c0r0c1r0c2r0c3r1c0r2c0|22,r1c1r1c2r2c2r2c3r3c2|24,r0c4r1c3r1c4r2c4|19,r0c5r1c5r1c6|11,r0c8r1c8|12,r2c5r2c6|9,r2c1r3c1|23,r3c3r3c4r3c5r3c6|14,r2c7r2c8r3c7|35,r3c0r4c0r4c1r4c2r5c0|18,r4c3r4c4r4c5|23,r3c8r4c6r4c7r4c8r5c8|7,r5c1r6c1|14,r5c3r5c4r5c5r5c6|21,r5c7r6c7r6c8|10,r6c5r6c6|25,r6c0r7c0r8c0r8c1r8c2r8c3|31,r5c2r6c2r6c3r7c1r7c2|22,r6c4r7c3r7c4r8c4|13,r7c5r7c6r8c5|3,r7c8r8c8|17,r7c7r8c6r8c7", "solution": "561394287273586914489127536612973458957648123834215679146732895795861342328459761", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11210, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11211, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-07-26", "puzzle": 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"16,r0c3r0c4|13,r0c0r0c1r1c0|14,r1c3r1c4|6,r0c5r1c5|6,r0c6r1c6|10,r0c7r1c7|9,r0c8r1c8|32,r0c2r1c1r1c2r2c0r2c1r2c2|7,r2c3r2c4|7,r2c5r2c6|15,r2c7r2c8|10,r3c0r4c0|36,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4|16,r3c6r3c7r3c8|12,r3c1r4c1|7,r3c2r4c2|8,r4c6r4c7|8,r5c0r5c1|18,r4c8r5c7r5c8|13,r6c0r6c1|9,r5c2r6c2|26,r5c5r5c6r6c5r6c6|12,r7c0r7c1|14,r6c3r7c3r8c3|6,r6c4r7c4|24,r6c7r6c8r7c6r7c7r8c6|10,r8c0r8c1|9,r7c2r8c2|19,r7c5r8c4r8c5|13,r7c8r8c7r8c8", "solution": "384795216257861493169432578692543781435187629718629354941256837576318942823974165", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11215, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11216, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-07-27", "puzzle": 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"4,r0c0r0c1|15,r0c2r0c3|13,r0c4r0c5|11,r0c6r0c7|9,r1c0r1c1|9,r1c3r1c4|6,r0c8r1c8r2c8|16,r1c2r2c2r2c3|7,r1c5r2c5r3c5|23,r1c6r1c7r2c6|7,r2c0r3c0|11,r2c1r3c1|15,r3c2r3c3|13,r2c4r3c4|3,r3c6r4c6|14,r2c7r3c7|17,r4c0r4c1r5c0|17,r4c3r4c4r4c5|18,r3c8r4c7r4c8|13,r5c1r6c1|6,r4c2r5c2|7,r5c4r6c4|13,r5c5r5c6|5,r5c7r6c7|17,r5c8r6c8|6,r6c2r7c1r7c2|10,r5c3r6c3r7c3|16,r6c5r6c6r7c6|23,r6c0r7c0r8c0|12,r7c4r7c5|10,r7c7r7c8|9,r8c1r8c2|11,r8c3r8c4|11,r8c5r8c6|8,r8c7r8c8", "solution": "319685742456271983287394651538742196194836275762519438871463529923157864645928317", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11239, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11240, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2015-08-01", "puzzle": 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"11,r0c1r0c2r1c1|15,r0c0r1c0|17,r0c3r1c2r1c3|4,r0c4r1c4|15,r0c5r1c5|13,r0c6r1c6|7,r0c7r0c8r1c7|18,r2c1r2c2r3c1|8,r2c4r2c5|22,r1c8r2c7r2c8|5,r2c0r3c0|13,r2c3r3c3r3c4|12,r2c6r3c6r3c7|18,r3c8r4c8r5c8|8,r4c0r4c1|20,r3c2r4c2r5c2|12,r4c3r4c4|12,r4c6r4c7|5,r5c0r6c0|15,r5c3r5c4r6c3|11,r3c5r4c5r5c5|10,r5c6r5c7r6c6|21,r5c1r6c1r6c2|14,r6c4r6c5|16,r6c7r6c8r7c8|13,r7c0r8c0|15,r7c2r7c3r8c3|11,r7c4r8c4|4,r7c5r8c5|14,r7c6r8c6|11,r7c7r8c7r8c8|15,r7c1r8c1r8c2", "solution": "652938714943517628178426395436185279715392846289764153367259481521843967894671532", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11244, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11245, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-08-02", "puzzle": 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"22,r0c0r0c1r1c0r2c0r3c0|12,r0c2r0c3r0c4|13,r0c5r0c6|12,r1c1r1c2|9,r1c3r1c4|20,r1c5r1c6r2c6r2c7r3c7|20,r0c7r0c8r1c7r1c8|14,r2c2r2c3|7,r2c4r2c5|16,r2c8r3c8|13,r2c1r3c1|22,r3c4r3c5r4c5|12,r3c6r4c6|10,r3c2r3c3r4c2|12,r4c7r5c7|15,r4c0r4c1r5c0|14,r4c3r4c4r5c4|15,r5c6r6c6|10,r4c8r5c8r6c8|11,r5c1r6c0r6c1|16,r5c2r5c3r6c2r6c3|17,r5c5r6c4r6c5|7,r6c7r7c7|25,r7c0r7c1r8c0r8c1|22,r7c2r7c3r8c2|3,r7c5r7c6|24,r7c8r8c5r8c6r8c7r8c8|12,r7c4r8c3r8c4", "solution": "732198564548726391169543287673285419425619873981374652214867935857932146396451728", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11330, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11331, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-08-19", "puzzle": 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"6,r0c0r0c1|6,r0c3r0c4|12,r1c0r1c1r2c0|21,r0c2r1c2r2c2|17,r0c5r1c5r2c5|16,r0c6r1c6r2c6|14,r0c7r1c7|10,r0c8r1c8|20,r1c3r1c4r2c3|7,r2c7r2c8r3c7|11,r2c1r3c1|14,r2c4r3c3r3c4|9,r3c8r4c8|16,r3c0r4c0|17,r3c2r4c2r5c2|4,r4c3r4c4|11,r3c5r4c5|16,r3c6r4c6r5c6|9,r4c7r5c7|12,r4c1r5c1r6c1|12,r5c4r5c5|10,r5c0r6c0|8,r5c3r6c3|14,r6c4r6c5|12,r6c6r6c7r7c6|15,r5c8r6c8|14,r7c0r7c1|5,r6c2r7c2|13,r7c3r7c4r7c5|9,r8c0r8c1|10,r8c2r8c3|8,r8c4r8c5|20,r7c7r8c6r8c7|7,r7c8r8c8", "solution": "427516983185943267369728514753489621946132758218657349874295136591364872632871495", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11349, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11350, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2015-08-23", "puzzle": 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"16,r0c0r0c1r1c1|15,r0c7r0c8r1c7|9,r0c2r1c2|12,r0c3r1c3|44,r0c4r1c4r2c4r3c4r4c4r5c4r6c4r7c4|9,r0c5r1c5|8,r0c6r1c6|14,r1c0r2c0|17,r2c1r2c2r2c3r3c1|27,r2c5r2c6r2c7r3c7|10,r1c8r2c8|17,r3c2r3c3r4c2|20,r3c5r3c6r4c6|8,r3c0r4c0r4c1|14,r3c8r4c7r4c8|12,r5c1r5c2r6c1|8,r4c3r5c3|8,r4c5r5c5|15,r5c6r5c7r6c7|13,r5c0r6c0|6,r5c8r6c8|7,r6c2r7c2|11,r6c3r7c3|6,r6c5r7c5|14,r6c6r7c6|23,r7c0r7c1r8c0r8c1|27,r8c2r8c3r8c4r8c5r8c6|15,r7c7r7c8r8c7r8c8", "solution": "342961758697358124851427396179246583526183947438795261914632875283574619765819432", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11351, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11352, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-08-23", "puzzle": 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"23,r0c0r0c1r1c0r1c1|18,r0c4r0c5r0c6r0c7r0c8|7,r0c2r1c2|18,r0c3r1c3r2c3|14,r1c6r1c7|15,r2c0r2c1r2c2|12,r1c4r1c5r2c4|15,r2c5r2c6|18,r1c8r2c8r3c8|6,r3c2r3c3|14,r2c7r3c6r3c7|15,r3c0r4c0r5c0|5,r4c2r4c3|12,r4c5r4c6|6,r4c7r4c8|18,r3c1r4c1r5c1|11,r5c2r5c3|27,r3c4r3c5r4c4r5c4r5c5|19,r5c6r5c7r6c7|13,r6c0r6c1r6c2|16,r6c4r7c4r7c5|7,r6c5r6c6|18,r5c8r6c8r7c8|13,r7c2r8c2|17,r6c3r7c3r8c3|8,r7c6r7c7|19,r7c0r7c1r8c0r8c1|21,r8c4r8c5r8c6r8c7r8c8", "solution": "694872153173945862825136947341567289762398415589214376238751694417629538956483721", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11356, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11357, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-08-24", "puzzle": "11,r0c1r0c2|14,r0c4r0c5r1c4|0,r0c0r1c0|18,r0c3r1c2r1c3r2c3|0,r0c6r1c6|0,r0c7r1c7|9,r0c8r1c8|16,r1c1r2c1r2c2|10,r1c5r2c5|0,r2c0r3c0|0,r2c4r3c3r3c4|7,r2c6r3c6|16,r2c7r2c8r3c7r3c8|0,r4c0r4c1|3,r4c3r4c4|0,r3c5r4c5r4c6r5c5|0,r4c7r4c8|11,r5c0r6c0|30,r3c1r3c2r4c2r5c1r5c2|20,r5c3r5c4r6c4|0,r5c6r6c6|19,r5c7r5c8r6c7r6c8|7,r6c1r6c2r7c1|10,r6c5r7c5|17,r7c0r8c0|21,r6c3r7c2r7c3r8c3|4,r7c6r8c6|0,r7c7r8c7|9,r7c8r8c8|10,r8c1r8c2|11,r7c4r8c4r8c5", "solution": "483652971215379468769481532174938256358126749692745813541293687826517394937864125", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11357, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11359, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2015-08-25", "puzzle": 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"16,r0c1r0c2r0c3|5,r0c4r0c5|15,r0c0r1c0|7,r1c1r1c2|20,r0c6r0c7r1c6|9,r0c8r1c7r1c8|7,r2c0r2c1|13,r1c3r2c3|21,r1c4r1c5r2c4|13,r2c5r2c6|8,r2c7r2c8|9,r3c0r3c1|7,r2c2r3c2r4c2|9,r3c5r3c6|15,r4c0r5c0|12,r4c1r5c1|17,r3c3r4c3|12,r3c4r4c4r5c4|7,r4c5r5c5|12,r3c7r4c7|9,r3c8r4c8|5,r5c2r5c3|8,r4c6r5c6r6c6|17,r5c7r5c8|3,r6c0r6c1|14,r6c2r6c3|18,r6c4r7c3r7c4|7,r6c5r7c5|12,r6c7r6c8|15,r7c0r7c1r8c0|18,r7c2r8c1r8c2|7,r7c6r7c7|16,r7c8r8c8|6,r8c3r8c4|16,r8c5r8c6r8c7", "solution": "896132745725648931341795862184967253952813476673254198219576384467381529538429617", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11379, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11381, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-08-29", "puzzle": 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"14,r0c3r0c4|8,r0c5r0c6|12,r0c0r1c0|13,r0c1r1c1|9,r0c2r1c2r1c3|9,r1c4r1c5|10,r0c7r1c7|13,r0c8r1c8r2c8|14,r2c0r2c1r2c2|9,r2c3r3c3|14,r1c6r2c6|10,r3c1r3c2|9,r2c4r3c4|9,r2c5r3c5|17,r2c7r3c7r3c8|11,r3c0r4c0|11,r4c1r4c2r5c2|14,r4c3r4c4r4c5|12,r3c6r4c6r4c7|13,r4c8r5c8|21,r5c0r5c1r6c1|17,r5c3r6c3|7,r5c4r6c4|10,r5c6r5c7|15,r6c2r7c2|8,r5c5r6c5|14,r6c6r6c7r6c8|10,r6c0r7c0r8c0|9,r7c1r8c1|12,r7c3r7c4|17,r7c5r7c6r8c6|6,r7c7r8c7|11,r7c8r8c8|9,r8c2r8c3|8,r8c4r8c5", "solution": "362597184974318526815264973628735491537149268491826735186952347759483612243671859", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11384, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11385, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-08-30", "puzzle": 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"0,r0c1r0c2r0c3|0,r0c0r1c0|10,r1c2r1c3|0,r0c4r1c4|5,r0c5r1c5|0,r0c6r1c6|0,r0c7r0c8r1c7r1c8|13,r1c1r2c1r3c1|22,r2c5r2c6r3c5r3c6|4,r2c7r2c8|6,r2c0r3c0|6,r2c2r3c2|13,r2c3r3c3|0,r2c4r3c4|0,r3c7r3c8|10,r4c5r4c6|0,r4c7r4c8|11,r4c0r5c0|10,r4c1r5c1|11,r4c2r5c2|21,r4c3r4c4r5c3r5c4|12,r5c5r5c6|0,r5c7r6c7|0,r6c0r6c1r6c2r7c0r7c1r7c2r8c0r8c1r8c2|10,r6c3r6c4|0,r6c5r6c6|14,r5c8r6c8r7c8|9,r7c3r7c4|0,r7c5r7c6r7c7|0,r8c3r8c4|0,r8c5r8c6|15,r8c7r8c8", "solution": "893261574617354982542789613184635297975412836236978451728196345369547128451823769", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11418, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11419, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2015-09-06", "puzzle": "13,r0c4r1c4r2c4|7,r0c0r1c0|17,r0c1r1c1|14,r0c2r0c3r1c2|7,r0c5r0c6r1c6|11,r0c7r1c7|16,r0c8r1c8|8,r2c0r2c1|15,r1c3r2c2r2c3|18,r1c5r2c5r2c6|9,r2c7r2c8|7,r3c0r3c1r3c2|23,r3c3r3c4r3c5|15,r3c6r3c7r3c8|16,r4c2r4c3r5c2|22,r4c5r4c6r5c6|14,r4c0r5c0|10,r4c1r5c1|6,r4c4r5c4|10,r4c7r5c7|5,r4c8r5c8|10,r6c1r6c2|11,r5c3r6c3|11,r6c4r7c4|8,r5c5r6c5|12,r6c6r6c7|13,r6c0r7c0|13,r7c1r7c2r7c3|12,r7c5r7c6r7c7|7,r6c8r7c8|15,r8c0r8c1r8c2|14,r8c3r8c4r8c5|16,r8c6r8c7r8c8", "solution": "395821467481376259267549318124968573536217984978453621619735842743682195852194736", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11419, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11420, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-09-06", "puzzle": 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"14,r0c3r0c4r1c4|23,r0c5r0c6r0c7r0c8|18,r0c0r0c1r0c2r1c0|9,r1c1r1c2r1c3|9,r1c5r1c6|17,r1c7r1c8|12,r2c1r2c2|14,r2c5r2c6|9,r2c0r3c0|20,r2c3r2c4r3c2r3c3|16,r2c7r3c6r3c7|11,r2c8r3c8|17,r3c1r4c0r4c1|9,r4c2r4c3|8,r4c5r4c6|16,r4c7r4c8r5c7|14,r5c0r6c0|12,r5c1r5c2r6c1|19,r3c4r3c5r4c4r5c3r5c4|16,r5c5r5c6r6c4r6c5|5,r5c8r6c8|12,r6c2r6c3|15,r6c6r6c7|9,r7c0r7c1|16,r7c2r7c3|6,r7c5r7c6r7c7|22,r7c8r8c6r8c7r8c8|20,r8c0r8c1r8c2r8c3|17,r7c4r8c4r8c5", "solution": "915348762362175489784629513237514698591836247846297351623951874459782136178463925", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11421, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11424, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2015-09-07", "puzzle": "24,r0c0r0c1r0c2|8,r0c3r0c4|7,r0c7r0c8|3,r1c0r2c0|8,r0c5r1c5|9,r0c6r1c6|14,r1c7r1c8r2c7|9,r1c1r2c1|18,r1c2r1c3r2c2|12,r1c4r2c3r2c4|17,r2c5r2c6|7,r3c1r3c2r4c1|15,r3c3r3c4|12,r3c5r3c6|13,r3c0r4c0|13,r4c2r4c3|19,r3c7r4c7r5c7|12,r2c8r3c8r4c8|9,r5c2r5c3|5,r4c4r5c4|7,r4c5r5c5r6c5|10,r4c6r5c6|13,r5c0r6c0|16,r5c1r6c1|9,r6c2r6c3|6,r6c6r6c7|11,r5c8r6c8|8,r7c1r7c2r7c3|17,r6c4r7c4|8,r7c0r8c0r8c1|13,r8c2r8c3|18,r7c5r8c4r8c5|9,r7c6r8c6|9,r7c7r8c7|17,r7c8r8c8", "solution": "987265143165943872234718956641879325728534691593621487876392514452186739319457268", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11424, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11425, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2015-09-07", "puzzle": "16,r0c0r0c1r0c2|4,r0c3r0c4|17,r0c5r0c6r1c6|9,r1c1r1c2|21,r1c3r1c4r1c5|6,r0c7r1c7|14,r0c8r1c8|4,r1c0r2c0|16,r2c1r2c2|11,r3c1r3c2|14,r2c3r3c3|20,r2c4r3c4r4c4r5c4r6c4|6,r2c5r3c5|12,r2c7r3c7r4c7|10,r2c8r3c8|12,r3c0r4c0|18,r4c2r4c3r5c2r6c2|26,r2c6r3c6r4c5r4c6|9,r4c8r5c8|12,r5c0r6c0|12,r4c1r5c1r6c1|10,r5c3r6c3|6,r5c5r6c5|12,r5c6r5c7|15,r6c6r6c7|11,r6c8r7c8|15,r7c0r8c0|9,r7c1r8c1|14,r7c3r7c4r7c5|11,r7c6r7c7|8,r7c2r8c2r8c3|17,r8c4r8c5|8,r8c6r8c7r8c8", "solution": "286139745345786129197524836738962514519347682462815397854271963921653478673498251", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11425, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11426, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-09-07", "puzzle": "14,r0c1r0c2|22,r0c3r0c4r1c4r2c3r2c4|6,r0c5r0c6|16,r0c0r1c0r2c0r2c1|19,r1c1r1c2r1c3|16,r1c5r1c6|18,r0c7r0c8r1c7r1c8|16,r2c5r2c6r3c5r3c6|14,r2c7r3c7|11,r2c8r3c8|14,r3c0r3c1|12,r2c2r3c2r3c3|27,r4c0r4c1r4c2r4c3r5c0|8,r3c4r4c4r4c5|24,r4c6r4c7r4c8r5c6r5c8|22,r5c2r5c3r6c2r6c3|14,r5c1r6c0r6c1|15,r5c5r6c5r6c6|16,r5c7r6c7r7c7|6,r6c8r7c8|14,r7c2r7c3r8c2|29,r5c4r6c4r7c4r8c3r8c4|15,r7c0r7c1r8c0r8c1|10,r7c5r8c5|27,r7c6r8c6r8c7r8c8", "solution": "759312486286549713341867592867423159493651827512798364674985231928134675135276948", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11426, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11427, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-09-07", "puzzle": "0,r0c0r0c1|14,r0c2r0c3r1c3|18,r0c5r0c6r1c5|5,r0c7r0c8|10,r1c1r1c2r2c1r2c2|12,r0c4r1c4|0,r1c6r1c7r2c6r2c7|13,r1c0r2c0r3c0|0,r2c3r2c4r2c5|13,r1c8r2c8r3c8|24,r3c2r3c3r3c4r3c5r3c6|0,r3c1r4c1|18,r4c3r4c4r4c5|8,r3c7r4c7|4,r4c0r5c0|10,r4c2r5c2|7,r4c6r5c6|12,r4c8r5c8|9,r5c1r6c1|13,r5c3r6c2r6c3|0,r5c4r6c4|0,r5c5r6c5r6c6|14,r5c7r6c7|0,r6c0r7c0r8c0r8c1|0,r7c1r7c2r8c2|0,r7c6r7c7r8c6|0,r6c8r7c8r8c7r8c8|8,r7c3r8c3|0,r7c4r8c4|0,r7c5r8c5", "solution": "798235641621497583543861972259374168376918425184526397812643759435789216967152834", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11427, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11429, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2015-09-08", "puzzle": 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"15,r0c0r0c1r0c2|16,r0c3r0c4r1c4|10,r0c5r0c6|10,r0c7r0c8|18,r1c0r1c1r2c0|23,r1c2r1c3r2c1r2c2r3c2|7,r1c5r2c5|15,r1c6r1c7r2c6|17,r1c8r2c7r2c8|16,r2c3r2c4r3c3|11,r3c4r3c5r3c6|22,r3c7r3c8r4c6r4c7|16,r3c0r3c1r4c0|11,r4c3r4c4r4c5|18,r4c8r5c7r5c8|12,r4c1r4c2r5c0r5c1|20,r5c2r5c3r5c4|17,r5c5r6c4r6c5|13,r6c0r6c1r7c0|15,r6c2r7c1r7c2|14,r6c3r7c3|27,r5c6r6c6r6c7r7c5r7c6|14,r6c8r7c7r7c8|11,r8c0r8c1|10,r8c2r8c3|14,r7c4r8c4r8c5|13,r8c6r8c7r8c8", "solution": "852917346937264851614583297579346182463128579128759463245671938791835624386492715", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11435, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11436, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-09-09", "puzzle": 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"24,r0c0r0c1r1c0|9,r0c2r0c3|0,r0c4r0c5|8,r0c6r1c6|6,r0c7r1c7|9,r0c8r1c8|12,r1c1r1c2r2c1|24,r1c3r2c2r2c3r3c1r3c2|5,r1c4r2c4|24,r1c5r2c5r3c5r3c6|0,r2c6r2c7|6,r2c0r3c0|0,r3c3r3c4r4c3|16,r2c8r3c8r4c8|17,r4c1r4c2|33,r4c4r4c5r4c6r5c4r5c5r6c4|13,r4c0r5c0|15,r5c1r5c2r5c3r6c3|0,r3c7r4c7r5c7r6c7|0,r6c0r6c1|0,r5c6r6c5r6c6|0,r5c8r6c8|0,r7c0r7c1|9,r6c2r7c2|24,r7c3r7c4r7c5r7c6|16,r7c7r7c8r8c7r8c8|13,r8c0r8c1|18,r8c2r8c3r8c4|0,r8c5r8c6", "solution": "874593126956812743213647895425139687798256314631784259162475938347928561589361472", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11437, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11438, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-09-09", "puzzle": 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"4,r0c0r0c1|13,r0c2r0c3r1c2|18,r0c4r0c5r1c5|16,r0c6r0c7r1c6|17,r0c8r1c8|11,r1c0r2c0|15,r1c1r2c1|9,r1c3r1c4r2c4|12,r2c5r2c6|5,r2c2r3c2|12,r2c3r3c3|6,r3c5r3c6|9,r1c7r2c7r3c7|13,r2c8r3c8|13,r3c0r4c0|7,r3c1r4c1|10,r4c2r4c3|22,r3c4r4c4r5c4|10,r4c5r4c6|12,r4c7r5c7|5,r4c8r5c8|10,r5c0r6c0|17,r5c1r6c1r7c1|10,r5c2r5c3|4,r5c5r6c5|14,r5c6r6c6|14,r6c2r6c3|14,r6c4r7c4r7c5|11,r6c7r7c7|7,r6c8r7c8|8,r7c0r8c0|17,r7c2r8c1r8c2|15,r7c3r8c3r8c4|14,r7c6r8c5r8c6|11,r8c7r8c8", "solution": "316248759975136428284759316831594267547362891692871534428613975763985142159427683", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11439, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11440, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-09-10", "puzzle": "5,r0c2r0c3|35,r0c4r0c5r0c6r1c4r1c6|14,r0c0r1c0|6,r0c1r1c1|16,r1c2r1c3|10,r0c7r0c8r1c7r1c8|14,r2c2r2c3r2c4|5,r2c0r3c0|18,r2c1r3c1r3c2|30,r3c3r3c4r3c5r4c4r4c5r5c5|28,r1c5r2c5r2c6r3c6r3c7|30,r2c7r2c8r3c8r4c7r4c8|8,r4c0r4c1r4c2|15,r4c3r5c3r5c4|13,r4c6r5c6r6c6|14,r5c7r6c7|7,r5c8r6c8|16,r5c0r6c0|15,r5c1r6c1|13,r5c2r6c2r6c3|17,r7c0r7c1r8c0r8c1|8,r7c2r7c3|12,r6c4r7c4r8c4|10,r6c5r7c5r7c6|9,r7c7r7c8|14,r8c2r8c3|10,r8c5r8c6|13,r8c7r8c8", "solution": "653289741819754623247163589368521974521497836974836152786312495492675318135948267", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11440, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11442, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-09-10", "puzzle": "0,r0c4r0c5r0c6|0,r0c0r0c1r0c2r0c3r1c0r2c0r3c0|0,r1c6r2c6r2c7r2c8|9,r0c7r1c7|0,r0c8r1c8|19,r1c1r1c2r2c1r2c2|15,r1c3r2c3|3,r1c4r2c4|15,r1c5r2c5|3,r3c1r3c2|32,r3c3r3c4r3c5r4c3r5c3|0,r4c1r4c2|14,r3c6r4c6|0,r3c7r3c8r4c7r4c8|10,r4c0r5c0r6c0|9,r5c1r5c2|0,r4c4r4c5r5c4r5c5|12,r5c6r5c7|22,r6c1r6c2r7c2r8c2|8,r6c3r6c4|10,r5c8r6c8|0,r7c0r7c1|21,r7c3r7c4r8c3r8c4|0,r6c5r7c5|15,r6c6r6c7r7c6|0,r8c0r8c1|0,r8c5r8c6|20,r7c7r7c8r8c7r8c8", "solution": "216453879845719623937826145721548936498632517563971482179264358382195764654387291", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11442, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11444, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2015-09-11", "puzzle": 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"22,r0c6r0c7r0c8|19,r0c0r0c1r1c0r1c1|0,r0c2r1c2|0,r0c3r1c3|0,r0c4r1c4|11,r0c5r1c5|0,r2c0r2c1|14,r1c6r1c7r2c6r2c7|12,r1c8r2c8r3c8|11,r2c2r3c1r3c2|15,r2c3r3c3|17,r2c4r2c5r3c4|10,r3c6r3c7r4c6|16,r3c0r4c0r4c1|16,r4c7r4c8r5c8|0,r4c2r5c1r5c2|23,r3c5r4c3r4c4r4c5r5c3|16,r5c4r6c3r6c4|0,r5c5r6c5|21,r5c6r5c7r6c6|0,r5c0r6c0r7c0|11,r6c1r6c2r7c1r7c2|12,r6c7r6c8|7,r7c3r8c3|9,r7c4r8c4|0,r7c5r8c5|0,r7c6r8c6|17,r7c7r7c8r8c7r8c8|20,r8c0r8c1r8c2", "solution": "128543679975268314364791825216879453597634182483152796631927548852416937749385261", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11452, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11453, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-09-12", "puzzle": 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"37,r0c1r0c2r0c3r0c4r0c5r0c6r0c7|7,r0c0r1c0|11,r0c8r1c8|13,r1c1r2c0r2c1|16,r1c2r2c2|7,r1c4r2c4|7,r1c6r2c6|17,r1c7r2c7r2c8|13,r1c3r2c3r3c3|15,r1c5r2c5r3c5|25,r4c0r4c1r5c1r5c2|17,r3c0r3c1r3c2r4c2|24,r3c4r4c3r4c4r4c5|21,r3c6r3c7r3c8r4c6|17,r4c7r4c8r5c6r5c7|13,r5c3r5c4r5c5|8,r5c0r6c0|11,r6c2r6c3|6,r6c5r6c6|8,r5c8r6c8|8,r6c1r7c1|13,r6c4r7c4|15,r6c7r7c7|21,r7c0r8c0r8c1|11,r7c2r7c3r8c2|8,r8c3r8c4r8c5|17,r7c5r7c6r8c6|19,r7c8r8c7r8c8", "solution": "645918732137542689829736145268197453751483926394625817573864291412379568986251374", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11455, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11456, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-09-13", "puzzle": 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"6,r0c0r0c1|11,r0c2r0c3|16,r0c4r0c5r0c6|0,r1c0r1c1|9,r1c6r2c6|10,r0c7r1c7|13,r0c8r1c8|15,r2c0r2c1r3c0|0,r1c2r2c2|0,r1c3r2c3|10,r1c4r1c5r2c4|6,r2c7r2c8|24,r3c1r3c2r4c1r4c2r5c2|13,r2c5r3c5r3c6|0,r3c3r3c4r4c3|15,r3c7r4c7|4,r3c8r4c8|0,r4c0r5c0|0,r4c4r4c5r5c4|17,r5c1r6c1r6c2|9,r5c3r6c3|16,r5c5r6c4r6c5|8,r4c6r5c6r6c6|11,r5c7r6c7|14,r5c8r6c8|0,r6c0r7c0r8c0r8c1|0,r7c1r7c2r7c3|0,r7c4r7c5|17,r8c2r8c3r8c4|0,r7c6r7c7r7c8r8c5r8c6r8c7r8c8", "solution": "159263784647815329823947615586732491971584263432691578295378146364129857718456932", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11507, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11505, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2015-09-23", "puzzle": 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"28,r0c0r0c1r0c2r0c3r1c1|11,r0c7r0c8|12,r1c2r1c3|5,r0c4r1c4|10,r0c5r1c5|8,r0c6r1c6|14,r1c0r2c0r2c1|21,r2c2r2c3r2c4r2c5|14,r1c7r1c8r2c7|15,r3c0r3c1|11,r3c3r4c3r5c3|21,r2c6r3c6r3c7|4,r4c0r4c1|16,r3c2r4c2r5c2|34,r3c4r3c5r4c4r4c5r5c4r5c5|8,r4c6r4c7|10,r5c0r5c1|14,r5c6r5c7r6c6|21,r2c8r3c8r4c8r5c8r6c8|16,r6c0r6c1r7c0|25,r6c2r6c3r6c4r6c5|14,r6c7r7c7r7c8|14,r7c2r7c3|9,r7c4r8c4|3,r7c5r8c5|7,r7c6r8c6|23,r7c1r8c0r8c1r8c2r8c3|17,r8c7r8c8", "solution": "893724156514836792276195834782563941135479628469218573341987265958642317627351489", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11531, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11534, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2015-09-29", "puzzle": "9,r0c2r0c3|11,r0c4r0c5|9,r0c0r0c1r1c0|15,r1c1r1c2r1c3|16,r1c4r1c5|16,r0c6r0c7r1c6|16,r1c7r2c7r2c8|11,r0c8r1c8|10,r2c0r2c1|13,r2c2r2c3|8,r2c5r2c6|13,r3c0r3c1|19,r3c2r3c3r4c2|7,r2c4r3c4|4,r3c5r3c6|15,r4c0r5c0|5,r4c1r5c1|13,r4c3r4c4r4c5|12,r3c7r4c7|3,r3c8r4c8|4,r5c2r5c3|11,r5c4r6c4|18,r4c6r5c5r5c6|14,r5c7r5c8|4,r6c2r6c3|12,r6c5r6c6|13,r6c7r6c8|9,r7c0r8c0|23,r6c0r6c1r7c1|10,r7c2r8c1r8c2|14,r7c3r7c4|12,r7c5r7c6r7c7|11,r7c8r8c7r8c8|14,r8c3r8c4|11,r8c5r8c6", "solution": "264538197158279634379416285945861372836742951721395468683127549592684713417953826", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11534, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11533, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-09-28", "puzzle": "0,r0c2r0c3r0c4|6,r0c6r0c7r0c8|0,r0c0r0c1r1c0|9,r0c5r1c5|14,r1c6r1c7|0,r1c1r1c2r2c1r2c2|0,r1c3r1c4r2c3|0,r2c4r2c5|12,r1c8r2c8|7,r2c0r3c0r4c0|0,r3c1r3c2r4c1|0,r2c6r3c6|8,r2c7r3c7|36,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4|0,r4c6r4c7r5c7|0,r3c8r4c8|0,r5c0r5c1|0,r4c2r5c2|0,r5c5r5c6r6c5|10,r6c2r6c3|0,r5c8r6c8|20,r6c0r7c0r8c0|13,r6c1r7c1|0,r7c2r7c3|12,r6c4r7c4r7c5|18,r6c6r6c7r7c6|19,r7c7r7c8r8c7r8c8|0,r8c1r8c2|7,r8c3r8c4|10,r8c5r8c6", "solution": "594876132627143598138295764459381627213567849786429315871932456362754981945618273", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11533, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11535, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2015-09-29", "puzzle": 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"22,r0c1r0c2r1c1r2c1|18,r0c3r0c4r0c5r1c4|10,r0c6r0c7r1c7r2c7|11,r0c0r1c0|13,r0c8r1c8|14,r1c2r2c2r3c2|27,r1c3r1c5r2c3r2c4r2c5|17,r1c6r2c6r3c6|13,r2c0r3c0r3c1|22,r2c8r3c7r3c8|5,r4c0r4c1|21,r3c3r3c4r3c5r4c4|9,r4c7r4c8|14,r5c0r5c1r6c1|19,r4c2r4c3r5c2r5c3|22,r4c5r4c6r5c5r5c6|17,r5c7r5c8r6c7|15,r6c2r6c3r7c3|8,r5c4r6c4|21,r6c5r6c6r7c5|9,r6c0r7c0|12,r7c1r7c2|7,r7c6r7c7|10,r6c8r7c8|17,r8c0r8c1|9,r8c2r8c3|5,r7c4r8c4|9,r8c5r8c6|9,r8c7r8c8", "solution": "968452137231978546457631829726193485149587263583264971614325798375849612892716354", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11536, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11537, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-09-29", "puzzle": "0,r0c2r0c3r0c4r0c5r0c6|16,r0c0r0c1r1c0|0,r1c1r1c2r1c3|0,r1c5r1c6r1c7|6,r0c7r0c8r1c8|5,r2c2r2c3|9,r1c4r2c4|14,r2c5r2c6|10,r2c0r3c0|0,r2c1r3c1r3c2r3c3|0,r2c7r3c5r3c6r3c7|7,r2c8r3c8|12,r4c0r4c1r4c2|0,r3c4r4c4|16,r4c6r4c7r4c8|14,r5c0r5c1|17,r4c3r4c5r5c3r5c4r5c5|0,r5c7r5c8|13,r5c2r6c2|25,r6c3r6c4r6c5r7c4r8c4|4,r5c6r6c6|5,r6c0r7c0|16,r6c1r7c1|20,r7c2r7c3r8c2r8c3|18,r7c5r7c6r8c5r8c6|3,r6c7r7c7|13,r6c8r7c8|0,r8c0r8c1|0,r8c7r8c8", "solution": "542879631768143592913256874127568943435791286689324157294687315376915428851432769", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11537, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11538, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2015-09-29", "puzzle": "9,r0c0r0c1|10,r0c3r0c4|14,r0c5r0c6|0,r0c7r0c8|0,r0c2r1c2|6,r1c4r1c5|0,r1c6r1c7|0,r1c0r2c0|0,r1c1r2c1r3c1|0,r1c3r2c3|24,r2c5r2c6r2c7r3c5r3c7|0,r1c8r2c8|0,r2c2r3c2r3c3|0,r2c4r3c4|12,r3c0r4c0r5c0|15,r4c1r4c2|16,r4c3r4c4r4c5|21,r3c6r4c6r5c6|0,r5c2r5c3r6c2|0,r5c4r6c4|10,r3c8r4c7r4c8r5c8|11,r6c0r7c0|14,r5c1r6c1r7c1|0,r6c3r7c3|0,r5c5r5c7r6c5r6c6r6c7|15,r6c8r7c8|0,r7c2r8c2|0,r7c4r7c5|0,r7c6r7c7|12,r8c0r8c1|15,r8c3r8c4|5,r8c5r8c6|11,r8c7r8c8", "solution": "723916845158342697964857312239165784687439521415278963891723456346581279572694138", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11538, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11539, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2015-09-30", "puzzle": 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"18,r0c0r0c1r1c0|16,r0c2r0c3r0c4|12,r0c5r0c6r1c5|12,r0c7r0c8r1c8|9,r1c1r1c2|9,r1c3r1c4|24,r1c6r1c7r2c6r2c7|8,r2c0r2c1|13,r2c2r2c3|10,r2c4r2c5|11,r2c8r3c7r3c8|9,r3c1r3c2|30,r3c3r3c4r3c5r4c5r5c5|9,r3c6r4c6|21,r3c0r4c0r5c0r6c0|9,r4c3r4c4r5c4|7,r4c7r5c7|12,r4c1r4c2r5c1|22,r5c2r5c3r6c3|12,r5c6r6c6|15,r4c8r5c8r6c8|18,r6c1r6c2r7c2|10,r6c5r7c5|6,r6c7r7c7|20,r7c0r7c1r8c0r8c1|16,r6c4r7c3r7c4|12,r7c6r8c6|22,r7c8r8c7r8c8|13,r8c2r8c3r8c4r8c5", "solution": "184396527972451683536728194345879261691532748827614935418967352759283416263145879", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11600, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11601, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-10-12", "puzzle": "16,r0c1r0c2r1c1|16,r0c3r0c4r0c5|7,r0c6r0c7|10,r0c0r1c0|30,r1c5r1c6r2c5r2c6r2c7|22,r0c8r1c7r1c8r2c8|9,r2c0r2c1|10,r1c2r2c2|13,r1c3r1c4r2c3|22,r2c4r3c4r3c5r3c6|8,r3c7r3c8|11,r3c0r4c0|15,r3c1r3c2r4c1r4c2|20,r3c3r4c3r4c4r4c5r5c5|30,r4c6r4c7r5c6r5c7|3,r4c8r5c8|12,r5c0r5c1|19,r5c2r5c3r5c4r6c4|16,r6c5r7c4r7c5|6,r6c6r7c6|17,r6c7r6c8|21,r6c0r7c0r7c1r8c0|27,r6c1r6c2r6c3r7c2r7c3|13,r7c8r8c8|10,r8c1r8c2|13,r8c3r8c4r8c5|9,r7c7r8c6r8c7", "solution": "752394618396158274184726953621879435548613792937542861265437189473981526819265347", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11601, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11605, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2015-10-13", "puzzle": "26,r0c0r0c1r1c0r1c1|11,r0c2r0c3|10,r0c4r0c5|4,r0c6r0c7|16,r1c3r1c4r1c5r1c6|13,r0c8r1c8r2c8|11,r1c2r2c1r2c2|17,r2c5r2c6|15,r1c7r2c7|7,r2c0r3c0|15,r2c3r3c2r3c3|13,r2c4r3c4|14,r3c5r3c6r4c6|21,r3c1r4c1r5c1r6c1|17,r4c2r4c3|14,r4c4r4c5r5c4r5c5|14,r3c7r3c8r4c7r4c8|3,r4c0r5c0|13,r5c7r5c8|8,r5c2r6c2|12,r5c3r6c3r6c4|19,r5c6r6c5r6c6|14,r6c0r7c0|9,r7c1r7c2|25,r7c3r7c4r8c3r8c4|16,r6c7r7c6r7c7|26,r6c8r7c8r8c6r8c7r8c8|19,r8c0r8c1r8c2|3,r7c5r8c5", "solution": "795628134648173592312549867483795216259816743167234985921467358536982471874351629", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11605, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11607, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-10-13", "puzzle": "0,r0c2r0c3|0,r0c6r0c7|10,r0c0r0c1r1c0|12,r1c2r1c3r2c3|26,r0c4r1c4r2c4r3c4r4c4|0,r0c5r1c5r2c5r3c5r3c6|12,r0c8r1c7r1c8r2c7|0,r1c1r2c0r2c1r2c2|0,r1c6r2c6|14,r3c1r3c2r3c3r4c3|0,r2c8r3c8|10,r3c0r4c0|11,r4c5r4c6|0,r3c7r4c7r4c8r5c7r6c7|13,r4c1r5c1|15,r4c2r5c2r5c3|0,r5c4r5c5|23,r5c0r6c0r7c0|13,r5c6r6c5r6c6r7c5|0,r5c8r6c8r7c8r8c8|0,r6c1r7c1|0,r6c2r7c2|12,r6c3r7c3|4,r6c4r7c4|23,r7c6r7c7r8c6r8c7|0,r8c0r8c1|15,r8c2r8c3|10,r8c4r8c5", "solution": "419627853537198462268453917381269574792345681645871239954736128823514796176982345", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11607, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11610, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-10-14", "puzzle": "30,r0c0r0c1r0c2r0c3r0c4|15,r0c5r0c6r0c7r0c8|9,r1c2r1c3|5,r1c4r2c4|17,r1c6r1c7r1c8|11,r1c0r2c0|16,r1c1r2c1|5,r2c2r2c3|16,r1c5r2c5r2c6|13,r3c3r3c4r3c5|14,r2c7r3c6r3c7|11,r2c8r3c8|4,r3c0r4c0|8,r3c1r4c1|37,r3c2r4c2r4c3r4c4r4c5r4c6r5c6|12,r4c7r5c7|14,r4c8r5c8|9,r5c0r6c0|10,r5c1r5c2r6c1|17,r5c3r5c4r5c5|17,r6c2r6c3r7c3|15,r6c5r6c6|9,r6c7r7c7|12,r6c8r7c8|16,r7c0r7c1r7c2|15,r6c4r7c4|3,r7c5r7c6|23,r8c0r8c1r8c2r8c3|22,r8c4r8c5r8c6r8c7r8c8", "solution": "482976315571843962693215874369184527128537496754629138216498753835761249947352681", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11610, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11609, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2015-10-14", "puzzle": "9,r0c0r0c1|15,r0c4r0c5r1c5|12,r0c6r0c7|14,r1c0r1c1|13,r0c2r1c2r2c2|14,r0c3r1c3|6,r0c8r1c8|9,r1c4r2c4r2c5|13,r1c6r1c7r2c6|10,r2c0r2c1r3c0|11,r3c1r3c2|10,r2c3r3c3|13,r3c4r3c5|24,r2c8r3c8r4c8|19,r4c0r4c1r4c2|16,r3c6r4c5r4c6|9,r2c7r3c7r4c7|5,r5c1r5c2|14,r4c3r5c3|10,r4c4r5c4r5c5|15,r5c6r5c7r5c8|14,r5c0r6c0|9,r6c2r6c3|11,r6c4r6c5|23,r6c7r6c8r7c7|5,r6c1r7c1|14,r7c4r7c5|11,r6c6r7c6|4,r7c8r8c8|14,r7c0r8c0r8c1|14,r7c2r8c2|12,r7c3r8c3r8c4|13,r8c5r8c6r8c7", "solution": "721568934683941572459732168165394827874625319932817645517283496246159783398476251", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11609, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11606, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-10-13", "puzzle": "10,r0c0r0c1|32,r0c2r0c3r1c2r1c3r2c3r2c4|16,r0c7r0c8r1c8|13,r1c0r1c1|11,r0c4r1c4|9,r0c5r1c5|17,r0c6r1c6r1c7r2c7|13,r2c0r3c0|14,r2c1r3c1|7,r2c2r3c2|7,r3c3r4c3|3,r3c4r4c4|25,r2c5r3c5r4c5r5c5|10,r2c6r3c6|9,r2c8r3c8|12,r4c0r4c1r4c2|17,r3c7r4c7r4c8|5,r5c0r5c1|14,r5c2r5c3|10,r4c6r5c6|11,r5c7r5c8|7,r6c0r6c1|16,r6c2r6c3|19,r5c4r6c4r6c5r6c6|8,r6c7r6c8|31,r7c1r7c2r8c1r8c2r8c3|7,r7c3r7c4|11,r7c5r7c6|12,r7c7r7c8r8c8|7,r7c0r8c0|8,r8c4r8c5|14,r8c6r8c7", "solution": "827546319941873526653291874794318265516427938238659147169782453385164792472935681", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11606, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11611, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-10-14", "puzzle": "12,r0c0r0c1|14,r0c4r0c5r1c5|3,r0c6r0c7|11,r1c0r1c1|25,r0c2r0c3r1c2r1c3r1c4|8,r1c6r1c7|17,r0c8r1c8|11,r2c2r3c2r3c3|17,r2c3r2c4r3c4|12,r2c5r2c6|19,r2c7r2c8r3c7|23,r2c0r3c0r4c0r5c0r6c0|14,r3c5r3c6|20,r4c2r4c3r4c4r4c5|10,r4c6r4c7|12,r3c8r4c8r5c8|22,r2c1r3c1r4c1r5c1r6c1|7,r5c5r5c6|17,r5c2r5c3r6c2|15,r5c4r6c3r6c4|11,r6c5r6c6|15,r5c7r6c7r6c8|15,r7c0r7c1|19,r7c2r7c3r7c4r8c2r8c3|10,r7c6r7c7|5,r7c8r8c8|7,r8c0r8c1|24,r7c5r8c4r8c5|10,r8c6r8c7", "solution": "935476128476821359128935746342158697597364281861792534619243875783519462254687913", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11611, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11614, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2015-10-15", "puzzle": "9,r0c2r0c3|6,r0c5r0c6|6,r0c7r0c8|21,r0c0r0c1r1c0|13,r1c2r1c3|17,r0c4r1c4r1c5|17,r1c8r2c8|11,r1c1r2c0r2c1|10,r2c2r2c3r3c3|13,r1c6r1c7r2c6|11,r2c7r3c7|17,r2c4r2c5r3c4|7,r3c5r3c6|14,r3c0r4c0|10,r3c1r4c1|15,r3c2r4c2r4c3|7,r4c4r4c5r5c4|9,r3c8r4c8|13,r5c0r5c1|8,r5c2r5c3|12,r4c6r5c6|13,r4c7r5c7|9,r6c0r6c1|4,r6c4r7c4|12,r5c5r6c5|14,r6c6r6c7|10,r5c8r6c8|7,r7c0r7c1r8c0|17,r6c2r7c2|7,r6c3r7c3|13,r7c6r7c7|16,r8c1r8c2r8c3|23,r7c5r8c4r8c5|10,r8c6r8c7|4,r7c8r8c8", "solution": "793684215514972638286153479875396142632841957941725386368217594429538761157469823", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11614, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11612, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-10-14", "puzzle": "11,r0c0r0c1r1c1|28,r0c2r0c3r0c4r0c5r0c6|16,r0c7r0c8r1c7|27,r1c3r1c4r1c5r2c4r3c4|12,r1c0r2c0|0,r1c2r2c1r2c2|0,r1c6r2c6r2c7|10,r1c8r2c8|0,r3c0r3c1|13,r2c3r3c2r3c3|0,r2c5r3c5r3c6|7,r3c7r3c8|5,r4c0r4c1|0,r4c2r4c3|7,r4c5r4c6|0,r4c7r4c8|0,r5c0r5c1r5c2|17,r4c4r5c4r6c4|20,r5c6r5c7r5c8|0,r6c0r6c1|15,r5c3r6c3|10,r5c5r6c5|15,r6c7r6c8|0,r7c0r7c1|0,r6c2r7c2r8c2|14,r7c3r7c4r7c5|18,r6c6r7c6r8c6|0,r7c7r7c8|16,r8c0r8c1|11,r8c3r8c4r8c5|7,r8c7r8c8", "solution": "618249573347581962952367418869175234235496187471832659124758396586923741793614825", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11612, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11615, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2015-10-15", "puzzle": "18,r0c0r0c1r0c2r1c0|23,r0c6r0c7r0c8r1c8|11,r1c1r1c2|16,r0c3r1c3|10,r0c4r1c4|7,r0c5r1c5|5,r1c6r1c7|10,r2c0r2c1|12,r2c3r2c4r2c5|16,r2c7r2c8|5,r3c0r3c1|8,r2c2r3c2|21,r3c3r3c4r3c5|9,r2c6r3c6|9,r3c7r3c8|15,r4c0r4c1|10,r4c2r4c3|10,r4c5r4c6|9,r4c7r4c8|20,r5c1r5c2r5c3|12,r4c4r5c4r6c4|14,r5c5r5c6r5c7|18,r5c0r6c0r7c0r8c0|7,r6c2r6c3|9,r6c5r6c6|14,r5c8r6c8r7c8r8c8|18,r6c1r7c1r7c2|30,r7c3r7c4r7c5r8c3r8c4r8c5|17,r6c7r7c6r7c7|8,r8c1r8c2|14,r8c6r8c7", "solution": "139726458547981326826435179412579863968213745375864912684357291291648537753192684", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11615, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11616, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-10-15", "puzzle": 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"19,r0c1r0c2r0c3r1c1|8,r0c5r0c6|14,r0c0r1c0|8,r1c2r2c2|21,r0c4r1c4r2c4r3c4|11,r1c5r1c6|22,r0c7r0c8r1c7r1c8|9,r2c0r2c1|21,r2c5r2c6r3c5r3c6|11,r2c7r3c7|7,r2c8r3c8|10,r3c1r3c2|14,r1c3r2c3r3c3|15,r3c0r4c0r5c0|17,r4c1r4c2|20,r4c3r4c4r5c3r5c4|14,r4c5r4c6r4c7r4c8|3,r5c1r5c2|19,r5c5r5c6r5c7|5,r6c3r7c3|12,r6c4r7c4|7,r6c5r7c5|11,r6c6r6c7|18,r5c8r6c8r7c7r7c8|26,r6c1r6c2r7c1r7c2|9,r7c6r8c6|19,r6c0r7c0r8c0r8c1r8c2|21,r8c3r8c4r8c5|14,r8c7r8c8", "solution": "623541798897326514451987236546273981789614325312859647968135472175492863234768159", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11635, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11636, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-10-19", "puzzle": 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"10,r0c3r0c4|9,r0c5r0c6|16,r0c7r0c8r1c8|0,r0c0r1c0|20,r0c1r0c2r1c1|0,r1c5r1c6r1c7r2c6r2c7r3c7|4,r2c0r2c1|10,r1c2r2c2|11,r1c3r2c3|12,r1c4r2c4|13,r2c8r3c8|16,r3c0r4c0r5c0r5c1|27,r3c1r3c2r4c1r4c2|0,r2c5r3c5r3c6|0,r4c3r5c3r5c4|0,r3c3r3c4r4c4r4c5r5c5|9,r4c6r4c7|10,r4c8r5c8|0,r5c6r5c7|0,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|15,r5c2r6c2r6c3|19,r6c4r6c5r7c4r7c5|4,r6c6r6c7|0,r7c6r8c6|18,r6c8r7c7r7c8|0,r7c3r8c3r8c4r8c5|0,r8c7r8c8", "solution": "257461893986253174314978265573129648698345721142786539425897316839612457761534982", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11637, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11640, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-10-20", "puzzle": 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"9,r0c1r0c2r0c3|20,r0c5r0c6r0c7|7,r0c0r1c0|13,r1c1r1c2r1c3|13,r0c4r1c4|17,r1c5r1c6r1c7|11,r0c8r1c8|16,r2c0r2c1|9,r2c2r2c3|8,r2c4r3c4|8,r2c5r2c6|11,r2c7r2c8|10,r3c0r3c1r4c0|17,r3c2r3c3|6,r3c5r3c6|14,r3c7r3c8r4c8|22,r4c1r4c2r5c2|10,r4c4r5c4|22,r4c6r4c7r5c6|12,r5c0r5c1r6c0|6,r4c3r5c3|11,r4c5r5c5|13,r5c7r5c8r6c8|9,r6c1r6c2|16,r6c3r6c4r6c5|5,r6c6r6c7|14,r7c3r7c4r7c5|23,r7c0r7c1r8c0|6,r7c2r8c1r8c2|15,r8c3r8c4r8c5|18,r7c6r8c6r8c7|14,r7c7r7c8r8c8", "solution": "316289745482357196975416283538972461269143857147568932754691328893725614621834579", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11639, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11638, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-10-19", "puzzle": "0,r0c2r0c3r0c4|0,r0c5r0c6|0,r0c0r0c1r1c0r1c1r1c2|0,r1c3r2c3|0,r1c5r1c6|23,r0c7r0c8r1c7r1c8r2c7|13,r2c1r2c2|0,r1c4r2c4|16,r2c5r2c6|11,r2c0r3c0|15,r3c1r3c2|0,r3c3r3c4|0,r3c5r3c6r3c7|7,r2c8r3c8|0,r4c0r4c1|0,r4c2r4c3|9,r4c4r4c5|22,r4c6r4c7r4c8|0,r5c0r6c0|0,r5c1r5c2|16,r5c3r5c4|10,r5c5r5c6r5c7|12,r5c8r6c8|0,r6c1r6c2|0,r6c4r7c4|11,r6c5r6c6|27,r7c0r7c1r7c2r8c0r8c1|0,r6c3r7c3|15,r7c5r7c6|0,r6c7r7c7r7c8r8c7r8c8|21,r8c2r8c3r8c4|5,r8c5r8c6", "solution": "439568217761942583285317946978236451523481769614795328192653874847129635356874192", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11638, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11641, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-10-20", "puzzle": 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"11,r0c0r0c1r0c2|4,r0c3r0c4|15,r0c5r0c6r1c6|7,r1c2r1c3|17,r1c4r1c5|22,r0c7r0c8r1c7|16,r1c0r2c0|9,r1c1r2c1|7,r2c5r2c6r3c5|13,r1c8r2c7r2c8|11,r3c0r3c1|7,r2c2r3c2|12,r2c3r3c3|7,r2c4r3c4|11,r3c6r4c6|12,r3c8r4c8|11,r4c1r5c1|18,r4c3r4c4r4c5|11,r3c7r4c7|11,r4c0r5c0|11,r4c2r5c2|14,r5c4r6c4|8,r5c5r6c5|17,r5c6r6c6|3,r5c7r5c8|9,r6c0r6c1r7c0|9,r5c3r6c2r6c3|8,r6c7r7c7|12,r6c8r7c8|17,r7c1r8c0r8c1|16,r7c3r7c4|7,r7c5r7c6|21,r7c2r8c2r8c3|9,r8c4r8c5|12,r8c6r8c7r8c8", "solution": "425136798713498256986752134831524679672819543549367812354281967168973425297645381", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11654, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11653, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2015-10-22", "puzzle": 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"12,r0c1r0c2r0c3|18,r0c5r0c6r0c7|9,r0c0r1c0r1c1|16,r0c4r1c4r2c4|18,r0c8r1c7r1c8|14,r1c2r2c2|9,r1c3r2c3|9,r1c5r2c5|6,r1c6r2c6|13,r2c0r3c0|13,r2c1r3c1|11,r2c7r3c7|11,r2c8r3c8|18,r3c2r4c1r4c2r5c1|23,r3c3r3c4r3c5r4c3r4c5|22,r3c6r4c6r4c7r5c7|12,r4c0r5c0r6c0|13,r5c2r5c3|11,r4c4r5c4|8,r5c5r5c6|15,r4c8r5c8r6c8|8,r6c1r6c2|13,r6c3r6c4r6c5|13,r6c6r6c7|17,r7c0r7c1r8c0|9,r7c7r7c8r8c8|17,r7c2r8c1r8c2|15,r7c3r8c3|10,r7c4r8c4|7,r7c5r8c5|15,r7c6r8c6r8c7", "solution": "637249815129358467485671239953467182268135794714982653371526948846793521592814376", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11656, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11657, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2015-10-23", "puzzle": 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"21,r0c0r0c1r0c2|8,r0c3r0c4|9,r1c0r2c0|6,r1c1r1c2|13,r1c3r1c4|15,r0c5r1c5|12,r0c6r1c6|10,r0c7r0c8r1c7|4,r2c3r2c4|14,r2c5r2c6|5,r2c1r3c1|11,r2c2r3c2|17,r3c5r3c6r4c6|10,r2c7r3c7|7,r1c8r2c8r3c8|16,r3c0r4c0r4c1|11,r3c3r4c3|22,r3c4r4c4r5c4|4,r4c5r5c5|18,r4c7r4c8r5c8|16,r5c0r6c0r7c0|5,r5c1r6c1|16,r4c2r5c2r5c3|5,r5c6r6c6|16,r5c7r6c7|8,r6c2r6c3|8,r6c4r6c5|22,r7c1r8c0r8c1|5,r7c2r8c2|13,r7c3r8c3|16,r7c4r7c5|6,r7c6r7c7|14,r6c8r7c8|5,r8c4r8c5|17,r8c6r8c7r8c8", "solution": "489627513351948762627135984534796821296481357718253496845362179163879245972514638", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11674, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11675, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2015-10-27", "puzzle": 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"0,r0c0r0c1r1c0|20,r0c2r0c3r0c4|0,r0c6r0c7|0,r1c1r1c2|0,r0c5r1c5r1c6|19,r0c8r1c8r2c8|24,r2c0r2c1r2c2|4,r1c3r2c3|0,r1c4r2c4|9,r2c5r2c6|0,r1c7r2c7|6,r3c0r3c1|16,r3c2r3c3r3c4|11,r3c5r3c6|0,r4c0r4c1|21,r4c2r4c3r4c4|0,r4c5r4c6|0,r5c0r5c1|6,r5c2r5c3r5c4|11,r5c5r5c6|0,r3c7r3c8r4c7r4c8r5c7r5c8|16,r6c0r6c1r6c2|0,r6c3r7c3|15,r6c4r7c4|0,r6c5r6c6|6,r6c7r7c7|11,r7c1r7c2|0,r7c5r7c6r8c5|0,r6c8r7c8r8c8|17,r7c0r8c0r8c1|0,r8c2r8c3r8c4|0,r8c6r8c7", "solution": "136952478245378169798146352517639284629487513483215697862593741374861925951724836", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11678, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11679, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2015-10-28", "puzzle": "21,r0c1r0c2r0c3|4,r0c5r0c6|16,r0c0r1c0r2c0|11,r1c3r2c3|13,r0c4r1c4r2c4|11,r1c5r1c6|3,r0c7r1c7|17,r0c8r1c8|7,r1c1r2c1|10,r1c2r2c2|13,r2c5r2c6|16,r3c0r3c1r3c2|7,r3c5r3c6|9,r2c7r3c7|11,r2c8r3c8|16,r4c0r4c1r4c2|14,r3c3r4c3r5c3|14,r3c4r4c4r5c4|14,r4c5r4c6|4,r4c7r4c8|13,r5c0r5c1r5c2|17,r5c5r5c6|15,r5c7r6c7|6,r5c8r6c8|12,r6c1r7c1|7,r6c2r7c2|7,r6c5r6c6|20,r6c0r7c0r8c0|5,r6c3r7c3|18,r6c4r7c4r8c4|11,r7c5r7c6|15,r7c7r8c7|10,r7c8r8c8|12,r8c1r8c2r8c3|6,r8c5r8c6", "solution": "475961328362854719918327645187293456259746831643518972796132584531489267824675193", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11679, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11680, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-10-28", "puzzle": "13,r0c5r0c6r0c7|23,r0c0r0c1r0c2r1c0|11,r0c3r1c3|9,r0c4r1c4|16,r1c5r1c6r1c7|11,r0c8r1c8|10,r1c1r2c1r3c1|4,r1c2r2c2|7,r2c4r2c5|14,r2c7r2c8|13,r2c0r3c0|18,r2c3r3c2r3c3|12,r3c4r3c5|8,r2c6r3c6|11,r3c7r3c8|10,r4c0r4c1|10,r4c2r4c3|16,r4c4r4c5r4c6|9,r4c7r4c8|8,r5c0r6c0|18,r5c2r5c3r6c3|12,r5c4r5c5|8,r5c6r6c6|4,r5c7r5c8|14,r5c1r6c1r7c1|10,r6c2r7c2|8,r6c4r6c5|15,r6c7r6c8|21,r7c0r8c0r8c1r8c2|10,r7c3r8c3|15,r7c4r8c4|18,r7c5r7c6r7c7|5,r7c8r8c8|14,r8c5r8c6r8c7", "solution": "762589314843612957951734286418375629379126845625948731296453178134897562587261493", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11680, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11681, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-10-28", "puzzle": "14,r0c6r0c7|10,r0c3r1c2r1c3|13,r0c4r1c4|10,r0c5r1c5|10,r1c6r1c7|10,r0c8r1c8|15,r1c0r2c0|19,r0c0r0c1r0c2r1c1r2c1|14,r2c2r2c3r2c4|9,r3c2r3c3|18,r2c5r3c4r3c5|14,r2c6r3c6|10,r2c7r2c8r3c7r4c7|25,r3c0r3c1r4c0r5c0|26,r4c2r4c3r4c4r4c5r4c6|26,r3c8r4c8r5c7r5c8|17,r4c1r5c1r6c0r6c1|9,r5c2r6c2|20,r5c3r5c4r6c3|5,r5c5r5c6|14,r6c4r6c5r6c6|30,r6c7r7c7r8c6r8c7r8c8|5,r6c8r7c8|7,r7c0r8c0|11,r7c1r7c2|10,r7c3r8c3|4,r7c4r8c4|20,r7c5r7c6r8c5|10,r8c1r8c2", "solution": "219354687745286193836179542384527916927861435561943278458792361192638754673415829", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11681, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11685, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2015-10-29", "puzzle": "10,r0c1r0c2r0c3|21,r0c5r0c6r0c7|5,r0c0r1c0|7,r1c1r1c2|24,r0c4r1c3r1c4r1c5|16,r1c6r1c7|7,r0c8r1c8|16,r2c0r2c1|11,r2c4r3c4r4c4|3,r2c7r2c8|10,r3c0r3c1|32,r2c2r2c3r3c2r3c3r4c3|20,r2c5r2c6r3c5r3c6r4c5|10,r3c7r3c8|14,r4c0r4c1r4c2|19,r4c6r4c7r4c8|19,r5c1r5c2r6c2|23,r5c3r5c4r5c5r6c3r6c5|12,r5c6r5c7r6c6|7,r5c0r6c0|14,r5c8r6c8|13,r6c1r7c0r7c1|12,r7c2r7c3|12,r6c4r7c4|4,r7c5r7c6|19,r6c7r7c7r7c8|9,r8c0r8c1|26,r8c2r8c3r8c4r8c5r8c6|10,r8c7r8c8", "solution": "254197863361852974798634521915468237473921658682375419139286745827543196546719382", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11685, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11684, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2015-10-29", "puzzle": "12,r0c1r0c2r1c1|17,r0c3r0c4|6,r0c5r0c6|11,r0c0r1c0|5,r1c2r1c3|13,r1c4r1c5|8,r0c7r1c7|10,r0c8r1c8|11,r2c0r2c1|8,r2c3r2c4r2c5|24,r1c6r2c6r2c7|15,r3c0r3c1r4c1|19,r2c2r3c2r4c2|11,r3c5r3c6r3c7|17,r2c8r3c8r4c8|14,r3c3r4c3|14,r3c4r4c4|4,r4c0r5c0|20,r5c1r5c2r6c2|7,r5c3r5c4|3,r4c5r5c5|10,r4c6r5c6|16,r4c7r5c7r5c8|11,r6c0r6c1|22,r6c3r6c4r6c5|13,r6c6r6c7r7c6|8,r7c1r7c2r7c3|11,r7c4r7c5|20,r7c0r8c0r8c1|7,r8c2r8c3|6,r8c4r8c5|19,r7c7r8c6r8c7|13,r6c8r7c8r8c8", "solution": "274985136913276854658413972542697318369851427187342695835769241421538769796124583", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11684, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11686, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-10-29", "puzzle": "13,r0c0r0c1|9,r0c2r1c2|24,r0c3r0c4r1c3r1c4r2c4|24,r0c5r0c6r1c5|14,r0c8r1c8r2c8|15,r0c7r1c6r1c7r2c5r2c6|9,r2c0r3c0|22,r1c0r1c1r2c1r2c2r3c1r3c2|23,r2c3r3c3r3c4r3c5|7,r4c0r4c1|13,r4c2r4c3|7,r4c4r4c5|20,r3c6r4c6r5c6|15,r3c8r4c8r5c8|15,r5c0r6c0|39,r5c1r5c2r6c1r6c2r7c0r7c1|21,r5c3r5c4r5c5r6c3|27,r2c7r3c7r4c7r5c7r6c7|19,r6c5r6c6r7c6r7c7r8c7|11,r7c2r8c2|25,r6c4r7c3r7c4r8c3r8c4|13,r7c5r8c5r8c6|16,r6c8r7c8r8c8|4,r8c0r8c1", "solution": "941537826578629341623481597314298765256743918897156432765914283482365179139872654", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11686, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11687, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-10-29", "puzzle": 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"17,r0c0r0c1|12,r0c7r0c8|14,r0c2r1c0r1c1r1c2|23,r0c3r0c4r0c5r1c3r1c4r1c5|24,r0c6r1c6r1c7r1c8|10,r2c0r2c1|22,r2c3r2c4r2c5|3,r2c7r2c8|18,r3c0r3c1r4c0r5c0|13,r2c2r3c2|11,r2c6r3c6|18,r3c7r3c8r4c8r5c8|9,r4c1r4c2|10,r3c3r4c3|18,r3c4r4c4r5c4r6c4|12,r3c5r4c5|9,r4c6r4c7|5,r5c2r5c3|9,r5c5r5c6|14,r5c1r6c1|40,r6c2r6c3r6c5r6c6r7c3r7c4r7c5|15,r5c7r6c7|17,r6c0r7c0r8c0|15,r6c8r7c8r8c8|9,r7c1r8c1|5,r7c2r8c2|14,r8c3r8c4r8c5|4,r7c6r8c6|15,r7c7r8c7", "solution": "896321457215674938374859621639187542427965813581432769768513294142796385953248176", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11700, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11699, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2015-11-01", "puzzle": 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"22,r0c0r0c1r1c0r1c1|8,r0c3r0c4|13,r0c2r1c2|13,r0c5r1c4r1c5|39,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|20,r2c1r2c2r3c1r3c2|15,r1c3r2c3r2c4|26,r2c5r2c6r3c5r3c6|10,r2c0r3c0|21,r3c3r3c4r4c4r4c5r5c5|13,r3c7r3c8r4c7|4,r4c2r4c3|12,r4c6r5c6r5c7|16,r4c8r5c8|9,r4c0r5c0|12,r4c1r5c1|16,r5c2r5c3r6c3|14,r5c4r6c4|14,r6c1r6c2r7c1r7c2|18,r6c5r6c6r7c5r7c6|11,r6c7r6c8|13,r7c3r7c4|21,r7c7r7c8r8c7r8c8|31,r6c0r7c0r8c0r8c1r8c2|5,r8c3r8c4|9,r8c5r8c6", "solution": "638172945495683712172549638956817423741326589283954167317498256824765391569231874", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11705, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11708, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2015-11-02", "puzzle": 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"19,r0c2r0c3r0c4|18,r0c7r0c8r1c8|21,r0c0r0c1r1c0r1c1|5,r1c2r1c3|0,r0c5r1c5|0,r0c6r1c6r2c6|12,r2c0r2c1|15,r1c4r2c4r2c5|0,r1c7r2c7|19,r2c2r2c3r3c2|14,r3c3r3c4|19,r3c5r3c6r4c6|6,r2c8r3c8|0,r3c0r3c1r4c0|0,r4c1r5c1|8,r4c3r4c4r4c5|12,r3c7r4c7|11,r4c8r5c7r5c8|0,r5c0r6c0|18,r4c2r5c2r5c3|12,r5c4r5c5|9,r5c6r6c5r6c6|0,r6c1r7c1|17,r6c3r6c4r7c4|7,r6c7r6c8|0,r6c2r7c2r8c2|6,r7c3r8c3|8,r7c5r7c6|0,r7c7r7c8r8c7r8c8|0,r7c0r8c0r8c1|0,r8c4r8c5r8c6", "solution": "936581472812347659754692381129864735473125896568739214285976143697413528341258967", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11712, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11716, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-11-04", "puzzle": "16,r0c0r0c1r1c0r1c1|13,r0c2r0c3r1c2|29,r0c4r0c5r0c6r0c7r1c7|28,r1c3r1c4r1c5r2c4r2c5|12,r0c8r1c8|18,r2c2r2c3r3c2|7,r1c6r2c6|18,r2c0r2c1r3c0|20,r3c3r3c4r4c3|7,r2c7r3c7|20,r2c8r3c8r4c8|19,r3c1r4c1r4c2r5c1r5c2|6,r3c6r4c6|24,r3c5r4c4r4c5r5c3r5c4|13,r4c7r5c7r5c8|11,r6c1r6c2|11,r6c3r6c4|17,r5c5r5c6r6c5r6c6|43,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|25,r4c0r5c0r6c0r7c0r7c1|13,r7c2r7c3|14,r7c4r7c5r8c5|9,r8c0r8c1|12,r8c2r8c3r8c4", "solution": "712384695358169427469257318827945163631728549594631872983476251145892736276513984", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11716, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11714, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2015-11-04", "puzzle": 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"16,r0c3r0c4r0c5|17,r0c0r1c0r2c0|12,r0c1r1c1|12,r0c2r1c2|9,r1c3r1c4r2c4|13,r0c6r0c7r1c6|11,r0c8r1c8|10,r2c1r2c2r2c3|18,r1c5r2c5r2c6|9,r1c7r2c7|13,r3c0r3c1|9,r3c3r3c4r3c5|16,r2c8r3c7r3c8|5,r4c0r4c1|16,r4c3r4c4r4c5|15,r3c6r4c6r5c6|17,r4c7r4c8|12,r5c0r5c1|15,r3c2r4c2r5c2|20,r5c3r5c4r5c5|7,r5c7r5c8r6c8|24,r6c1r6c2r6c3|11,r6c5r6c6r7c5|9,r6c7r7c7|14,r6c0r7c0r8c0|9,r7c1r8c1|6,r7c2r8c2|12,r6c4r7c3r7c4|18,r7c6r8c6r8c7|11,r7c8r8c8|19,r8c3r8c4r8c5", "solution": "245781396687439125913625478498216753321547689756398241179864532834152967562973814", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11734, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11735, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-11-08", "puzzle": 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"0,r0c0r0c1|16,r0c7r0c8|8,r1c0r1c1|6,r0c2r1c2|0,r0c3r1c3|7,r0c4r1c4|12,r0c5r1c5|7,r0c6r1c6|0,r1c7r1c8|3,r2c2r2c3|11,r2c5r2c6|0,r2c0r3c0r4c0|0,r2c1r3c1|17,r2c4r3c4|0,r2c7r3c7|14,r2c8r3c8r4c8|0,r3c2r3c3r4c2|15,r4c3r4c4r4c5|18,r3c5r3c6r4c6|0,r4c1r5c1r5c2r6c1|25,r4c7r5c6r5c7r6c7|12,r5c0r6c0|0,r5c3r6c2r6c3|0,r5c4r6c4|10,r5c5r6c5r6c6|3,r5c8r6c8|21,r7c1r7c2r7c3|0,r7c5r7c6r7c7|5,r7c0r8c0|10,r8c1r8c2|18,r7c4r8c3r8c4r8c5|0,r8c6r8c7|11,r7c8r8c8", "solution": "682413579354769218971285643236197854819654327745832961563941782497528136128376495", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11737, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11738, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-11-08", "puzzle": "0,r0c2r0c3|0,r0c4r0c5|0,r0c7r0c8|0,r0c0r0c1r1c0|0,r1c1r1c2r1c3|0,r0c6r1c6|16,r2c1r2c2|0,r1c4r2c4|0,r1c5r2c5|23,r1c7r1c8r2c6r2c7|5,r2c3r3c3|0,r3c5r3c6|0,r2c8r3c8|14,r3c1r4c1r5c1|15,r3c2r4c2r5c2|22,r3c4r4c3r4c4r5c4|0,r4c5r4c6|0,r3c7r4c7r4c8r5c7|30,r2c0r3c0r4c0r5c0r6c0|0,r5c3r6c3|0,r5c5r5c6|10,r5c8r6c8|9,r6c1r6c2|0,r6c4r7c4|0,r6c5r7c5|23,r6c6r6c7r7c7r7c8|10,r7c0r8c0r8c1|0,r7c1r7c2r7c3|0,r7c6r8c6|17,r8c2r8c3|7,r8c4r8c5|12,r8c7r8c8", "solution": "584936172132578964697412583976124835428395716351687429863759241745261398219843657", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11738, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11739, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2015-11-09", "puzzle": "6,r0c1r0c2r0c3|15,r0c6r0c7|13,r0c0r1c0r1c1|15,r1c2r2c2|11,r1c3r1c4|19,r0c4r0c5r1c5|6,r1c6r1c7|13,r0c8r1c8|14,r2c0r2c1|4,r2c5r2c6|20,r2c3r2c4r3c3|6,r3c4r3c5|9,r2c7r2c8r3c7|15,r3c0r3c1r4c0|4,r3c2r4c2|14,r4c3r4c4|18,r3c6r4c5r4c6|9,r4c7r5c7r6c7|12,r3c8r4c8|22,r4c1r5c0r5c1|24,r5c5r5c6r6c5|3,r6c0r6c1|10,r5c2r6c2|12,r5c3r6c3|5,r5c4r6c4|11,r5c8r6c8|13,r7c2r7c3|9,r6c6r7c6|15,r7c0r8c0|7,r7c1r8c1|10,r8c2r8c3|9,r7c4r8c4|7,r7c5r8c5|18,r7c7r8c6r8c7|7,r7c8r8c8", "solution": "412356789367298154958471362583924617271683945694517823126749538735862491849135276", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11739, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11741, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-11-09", "puzzle": "22,r0c0r0c1r0c2r0c3|13,r0c4r0c5r0c6|10,r1c0r1c1|28,r1c2r1c3r2c3r3c3|7,r1c5r1c6|17,r0c7r0c8r1c7r1c8|9,r2c0r2c1|11,r1c4r2c4|9,r2c2r3c2|9,r3c4r4c4|10,r2c5r3c5|21,r2c6r2c7r3c6|14,r3c7r4c7r5c7r5c8|14,r2c8r3c8r4c8|27,r3c0r3c1r4c0r4c1|15,r4c2r4c3r5c2r5c3|13,r4c5r4c6r5c6|15,r5c4r5c5|14,r5c0r5c1r6c0|10,r6c3r6c4|22,r6c5r6c6r6c7r6c8|11,r6c1r6c2r7c1|21,r7c2r7c3r7c4r8c3r8c4|19,r7c5r7c6r7c7r7c8|9,r7c0r8c0|10,r8c1r8c2|11,r8c5r8c6|14,r8c7r8c8", "solution": "752813946198764352634952871375428619986371524241596783823645197467189235519237468", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11741, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11740, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2015-11-09", "puzzle": 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"14,r0c1r0c2r1c2|11,r0c3r0c4|7,r0c6r0c7|18,r0c0r1c0r1c1|6,r0c5r1c5|7,r0c8r1c8|21,r1c3r2c2r2c3|16,r1c4r2c4r2c5|18,r1c6r1c7r2c6|9,r2c0r2c1r3c1|8,r3c2r3c3|8,r3c4r3c5|18,r3c6r4c6r5c6|11,r2c7r3c7|13,r2c8r3c8|21,r3c0r4c0r5c0|16,r4c1r4c2r4c3|12,r4c4r4c5|3,r4c7r4c8|17,r5c1r6c0r6c1|4,r5c2r5c3|14,r5c4r5c5|11,r5c7r6c7|8,r5c8r6c8|18,r6c2r6c3r7c3|11,r6c4r6c5r7c4|12,r6c6r7c6r7c7|13,r7c0r7c1r8c0|6,r7c5r8c5|16,r7c8r8c8|10,r7c2r8c1r8c2|17,r8c3r8c4|11,r8c6r8c7", "solution": "748295163562831794139467285451726938976348521823159476697513842285674319314982657", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11744, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11746, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-11-10", "puzzle": "6,r0c1r1c1|12,r1c2r1c3r2c2|34,r0c2r0c3r0c4r0c5r0c6r1c4|10,r1c5r1c6|20,r0c7r0c8r1c7r1c8|17,r2c3r2c4|13,r2c5r2c6r3c6|7,r2c7r3c7|18,r0c0r1c0r2c0r3c0|20,r2c1r3c1r3c2|16,r4c0r4c1r5c1|17,r3c3r4c2r4c3|19,r3c4r3c5r4c4r4c5|14,r4c6r5c6|31,r2c8r3c8r4c7r4c8r5c8r6c8|18,r5c2r5c3r6c2r6c3|6,r5c4r5c5r6c4|14,r5c7r6c6r6c7|16,r5c0r6c0r6c1|11,r7c3r7c4r8c4|17,r6c5r7c5r7c6|15,r7c7r7c8|20,r7c0r7c1r8c0r8c1|16,r7c2r8c2r8c3|18,r8c5r8c6r8c7r8c8", "solution": "328174965649253781751986243296841537173695824584732619832517496465329178917468352", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11746, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11745, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-11-10", "puzzle": "15,r0c1r0c2|30,r0c6r0c7r1c6r2c6|4,r0c0r1c0|13,r1c1r1c2|10,r0c3r1c3|11,r0c4r0c5r1c4|7,r0c8r1c8|14,r2c3r2c4|10,r1c5r2c5|8,r1c7r2c7r3c7|30,r2c2r3c2r4c2r5c2r6c2|10,r3c3r3c4|12,r3c5r3c6|12,r2c8r3c8|17,r3c0r4c0r5c0|9,r4c3r4c4r4c5|19,r4c6r4c7r4c8|9,r5c3r5c4|9,r5c5r5c6|8,r5c8r6c8|32,r2c0r2c1r3c1r4c1r5c1r6c0r6c1|8,r6c3r6c4|10,r6c5r7c5|14,r5c7r6c7r7c7|13,r7c0r8c0|5,r7c1r7c2|13,r7c3r8c3|14,r7c4r8c4r8c5|10,r7c8r8c8|6,r8c1r8c2|23,r6c6r7c6r8c6r8c7", "solution": "396125784185947623274683915812469357467351298539278146948716532623594871751832469", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11745, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11747, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-11-10", "puzzle": "13,r0c0r0c1|21,r0c2r0c3r0c4r0c5r0c6|0,r0c7r0c8|11,r1c0r1c1|31,r1c3r1c4r1c5r2c3r2c5|6,r1c7r1c8|15,r2c0r2c1|5,r1c2r2c2|0,r1c6r2c6|7,r2c7r2c8|23,r3c0r3c1r3c2r4c1|0,r2c4r3c4r4c4|18,r3c6r3c7r3c8r4c7|16,r3c3r4c3|0,r3c5r4c5|3,r4c0r5c0|10,r4c2r5c2|12,r5c3r5c4r5c5|0,r4c6r5c6|0,r4c8r5c8|0,r5c1r6c1|30,r6c3r6c4r6c5r7c4r8c4|9,r5c7r6c7|7,r6c0r7c0|17,r6c2r7c2|0,r6c6r7c6|0,r6c8r7c8|12,r7c1r8c0r8c1|0,r7c3r8c2r8c3|8,r7c5r8c5r8c6|18,r7c7r8c7r8c8", "solution": "581436792743829615962517834835742961174965328296381457329178546418653279657294183", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11747, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11748, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-11-10", "puzzle": "0,r0c0r0c1|0,r0c2r0c3r1c3|0,r0c5r0c6r1c5|7,r0c7r0c8|19,r1c0r1c1r1c2|16,r0c4r1c4|0,r1c6r1c7r1c8|6,r2c1r2c2|0,r2c6r2c7|10,r2c0r3c0|11,r2c3r3c3|0,r2c4r3c4|11,r2c5r3c5|0,r2c8r3c8|18,r3c1r3c2r4c0r4c1r4c2|0,r4c3r4c4r4c5|0,r3c6r3c7r4c6r4c7r4c8|0,r5c1r5c2r5c3r6c1|0,r5c5r5c6r5c7r6c7|17,r5c0r6c0|0,r6c2r6c3r7c3|0,r5c4r6c4|0,r6c5r6c6r7c5|13,r5c8r6c8|0,r7c0r8c0|11,r7c1r8c1|16,r7c2r8c2r8c3|0,r7c4r8c4|0,r7c6r8c5r8c6|0,r7c7r8c7|8,r7c8r8c8", "solution": "347198652289675431651342978432869517175423896968751324816537249793284165524916783", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11748, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11749, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2015-11-11", "puzzle": "4,r0c4r0c5|7,r0c0r1c0|7,r0c1r1c1|7,r0c2r1c2|20,r0c3r1c3r1c4|21,r0c6r1c5r1c6|11,r0c7r1c7|13,r0c8r1c8|16,r2c1r2c2|8,r2c3r2c4|8,r2c7r2c8|9,r2c0r3c0|12,r3c3r3c4|12,r2c5r3c5|14,r2c6r3c6r3c7|9,r3c8r4c8|5,r3c1r4c1|13,r3c2r4c2|12,r4c3r4c4r4c5|11,r4c6r5c6|4,r4c7r5c7|16,r4c0r5c0|19,r5c1r5c2r6c2|3,r5c3r6c3|12,r5c4r5c5|9,r5c8r6c8|9,r6c0r6c1|14,r6c4r6c5|10,r6c6r6c7|9,r7c0r8c0|15,r7c1r8c1|10,r7c2r7c3r8c2|15,r7c4r7c5r8c5|11,r7c6r8c6|12,r7c7r8c7|11,r7c8r8c8|7,r8c3r8c4", "solution": "264513897513879426897624153125938764738462915946157238459286371381795642672341589", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11749, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11750, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2015-11-11", "puzzle": "3,r0c2r0c3|15,r0c4r0c5r0c6|15,r0c7r0c8|13,r0c0r1c0|13,r0c1r1c1|14,r1c2r1c3|6,r1c5r1c6|10,r1c7r1c8|18,r2c1r2c2r3c2r4c2|15,r1c4r2c4r2c5|13,r2c0r3c0|9,r2c3r3c3|10,r2c6r3c6|23,r2c7r2c8r3c7r3c8r4c8|12,r3c1r4c1|11,r4c3r5c3|17,r3c4r4c4r5c4|9,r3c5r4c5|7,r4c7r5c7|21,r4c0r5c0r5c1r6c0r6c1|11,r5c2r6c2|7,r5c5r6c5|11,r5c8r6c8|8,r6c3r6c4r7c4|28,r4c6r5c6r6c6r6c7|11,r7c0r7c1|12,r7c2r7c3|9,r7c5r7c6|5,r7c7r8c7|10,r7c8r8c8|4,r8c0r8c1|22,r8c2r8c3r8c4|13,r8c5r8c6", "solution": "841273569596814237732659184654328971279461853183795426468132795927546318315987642", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11750, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11752, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2015-11-11", "puzzle": "19,r0c3r0c4r0c5|0,r0c6r0c7|19,r0c0r1c0r2c0|0,r0c1r1c1|8,r0c2r1c2r2c2|0,r1c3r1c4|0,r1c6r1c7|0,r0c8r1c8|0,r1c5r2c5r3c5|14,r2c7r3c7|16,r2c1r3c1|0,r2c3r3c3|0,r2c6r3c6|5,r2c8r3c8|0,r3c0r4c0r4c1|13,r3c2r4c2r4c3|17,r4c5r4c6r5c6|10,r4c7r4c8r5c8|0,r5c0r6c0|15,r5c2r6c2|30,r2c4r3c4r4c4r5c4r6c4|0,r5c5r6c5|8,r5c7r6c7|5,r5c1r6c1|18,r5c3r6c3r7c3|8,r7c0r8c0|9,r7c1r7c2|9,r7c4r7c5|10,r6c6r7c6r8c6|13,r7c7r8c7|17,r6c8r7c8r8c8|14,r8c1r8c2|17,r8c3r8c4r8c5", "solution": "481937625632518479975426381793251864254683917816794532149362758327845196568179243", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11752, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11751, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-11-11", "puzzle": "29,r0c2r0c3r0c4r0c5r0c6r1c3r1c5|22,r0c0r0c1r1c0r2c0|6,r1c1r1c2|13,r1c6r1c7|21,r0c7r0c8r1c8r2c8|12,r1c4r2c4|17,r2c1r3c1|8,r2c2r3c2|10,r2c3r3c3|10,r2c5r3c5|13,r2c6r3c6|3,r2c7r3c7|11,r3c0r4c0|19,r4c1r4c2r4c3|14,r3c4r4c4r5c4|8,r4c5r4c6r4c7|11,r3c8r4c8|12,r5c0r5c1|15,r5c7r5c8|5,r6c0r6c1|20,r5c2r5c3r6c2r7c2|9,r6c3r7c3|13,r6c5r7c5|24,r5c5r5c6r6c6r7c6|11,r6c7r6c8|13,r6c4r7c4|28,r7c0r7c1r8c0r8c1r8c2|10,r8c3r8c4r8c5|18,r7c7r7c8r8c6r8c7r8c8", "solution": "273516489415298673986437521592643817637981254841725396328174965154869732769352148", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11751, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11754, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2015-11-12", "puzzle": "6,r0c0r0c1|16,r0c4r0c5r0c6|11,r1c0r1c1|19,r0c2r1c2r2c2|13,r0c3r1c3|14,r1c4r2c4r3c4|16,r0c7r0c8r1c7|9,r2c0r2c1|10,r1c5r2c5|14,r1c6r2c6r2c7|7,r1c8r2c8|3,r3c0r3c1|11,r2c3r3c3|12,r3c5r3c6|16,r3c7r3c8|10,r3c2r4c2|4,r4c5r4c6|13,r4c7r4c8|23,r4c0r4c1r5c0|9,r5c1r5c2|9,r4c3r4c4r5c3|3,r5c7r5c8|10,r6c0r6c1|6,r6c2r6c3|16,r5c4r6c4|15,r5c5r6c5|16,r5c6r6c6r6c7|17,r7c3r7c4r8c3|11,r7c5r7c6r8c6|18,r6c8r7c7r7c8|10,r7c0r8c0|13,r7c1r8c1|7,r7c2r8c2|8,r8c4r8c5|10,r8c7r8c8", "solution": "519462873472983165638517942123658497967241358854379621285196734391724586746835219", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11754, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11755, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-11-12", "puzzle": 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"19,r0c2r0c3r0c4|8,r0c5r0c6|3,r0c7r0c8|17,r0c0r0c1r1c0|13,r1c2r1c3|13,r1c5r1c6|13,r1c7r1c8|8,r1c1r2c0r2c1|12,r1c4r2c3r2c4|15,r2c7r2c8|7,r3c0r3c1|14,r2c2r3c2r3c3|20,r2c5r3c4r3c5|7,r2c6r3c6|11,r3c7r3c8|11,r4c4r4c5|14,r4c6r4c7r4c8|10,r4c0r5c0|19,r4c1r4c2r5c1|6,r4c3r5c3|12,r5c7r5c8|8,r6c0r6c1|5,r5c2r6c2|12,r5c4r6c4|13,r5c5r6c5|15,r5c6r6c6|13,r6c7r6c8r7c8|10,r7c1r7c2|7,r6c3r7c3|8,r7c4r7c5r8c5|19,r7c6r7c7r8c6|13,r7c0r8c0|11,r8c1r8c2|14,r8c3r8c4|5,r8c7r8c8", "solution": "789645321236718549415923678347289156168574293952136784623497815891352467574861932", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11764, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11765, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-11-14", "puzzle": 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"17,r0c0r0c1|23,r0c2r0c3r0c4r0c5r0c6|5,r0c7r0c8|9,r1c0r1c1|0,r1c2r1c3|0,r1c4r2c4r3c4|13,r1c5r1c6|10,r1c7r1c8|0,r2c0r3c0|0,r2c1r3c1|15,r2c2r3c2r4c2|17,r2c3r3c3|0,r2c5r3c5|12,r2c6r3c6r4c6|8,r2c7r3c7|7,r2c8r3c8|0,r4c0r4c1|0,r4c7r4c8|0,r5c1r5c2|12,r4c3r5c3r6c3|13,r4c4r5c4|18,r4c5r5c5r6c5|0,r5c6r5c7|14,r5c0r6c0r7c0r8c0|23,r5c8r6c8r7c8r8c8|11,r6c1r7c1|17,r6c2r7c2|10,r6c4r7c4|0,r6c6r7c6|14,r6c7r7c7|8,r8c1r8c2|26,r7c3r7c5r8c3r8c4r8c5|0,r8c6r8c7", "solution": "985263741361754928427918653796821534832547196514396872178435269649172385253689417", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11782, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11783, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-11-17", "puzzle": 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"19,r0c1r0c2r0c3|8,r0c4r0c5|19,r0c7r0c8r1c8|13,r0c0r1c0|9,r1c2r1c3|7,r1c4r1c5|25,r0c6r1c6r1c7r2c7r2c8|5,r1c1r2c1|16,r2c2r2c3|16,r2c5r2c6r3c5r3c6|13,r2c0r3c0r4c0|24,r3c1r3c2r3c3r4c2|7,r2c4r3c4|10,r3c7r4c7|6,r3c8r4c8|16,r4c1r5c1|15,r4c3r4c4r5c4|7,r4c5r4c6|14,r5c2r5c3r6c2r6c3|17,r5c6r6c6|7,r5c7r6c7|8,r5c0r6c0|24,r5c5r6c4r6c5r7c5|16,r5c8r6c8r7c8|16,r6c1r7c1r7c2|8,r7c3r7c4|7,r7c6r7c7|15,r7c0r8c0r8c1|7,r8c2r8c3|21,r8c4r8c5r8c6|10,r8c7r8c8", "solution": "458617293921843567637952184586729431293481675174536928712394856869175342345268719", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11800, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11799, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2015-11-21", "puzzle": 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"18,r0c1r0c2r1c2|16,r0c6r0c7r0c8|14,r0c0r1c0r1c1|14,r0c3r1c3|12,r0c4r1c4|5,r0c5r1c5|6,r1c6r1c7|7,r2c0r2c1|16,r2c2r2c3r2c4|12,r2c5r2c6|15,r1c8r2c7r2c8|6,r3c1r3c2|18,r3c4r3c5r3c6|9,r3c7r3c8|14,r3c0r4c0r5c0|8,r4c1r4c2|14,r3c3r4c3r5c3|10,r4c4r4c5|24,r4c6r4c7r4c8|17,r5c1r5c2|9,r5c4r5c5r5c6|6,r5c7r5c8|9,r6c0r6c1|7,r6c2r6c3r6c4|12,r6c5r6c6|23,r6c7r6c8r7c8|19,r7c0r7c1r8c0|12,r7c3r8c3|7,r7c4r8c4|15,r7c5r8c5|9,r7c6r7c7|16,r7c2r8c1r8c2|6,r8c6r8c7r8c8", "solution": "473852691918673245526194837742589163135246978689731524361425789297318456854967312", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11804, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11802, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-11-21", "puzzle": 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"28,r0c0r0c1r0c2r1c0r1c1r2c0|9,r0c3r0c4|16,r0c5r0c6r1c6|20,r1c2r1c3r1c4r1c5|9,r0c7r1c7|15,r0c8r1c8|20,r2c1r2c2r2c3r2c4|15,r2c5r2c6r3c6|8,r3c2r3c3|11,r3c4r3c5|12,r2c7r3c7|8,r2c8r3c8|11,r3c0r3c1r4c0|40,r4c1r4c2r4c3r4c4r4c5r4c6r4c7|9,r4c8r5c7r5c8|15,r5c0r6c0|15,r5c1r6c1|12,r5c3r5c4|8,r5c5r5c6|15,r5c2r6c2r6c3|15,r6c4r6c5r6c6r6c7|4,r7c0r8c0|9,r7c1r8c1|23,r7c3r7c4r7c5r7c6|19,r7c2r8c2r8c3|7,r8c4r8c5|32,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "421638579598174326736295481815329647264751893973486215687512934342967158159843762", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11801, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11806, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-11-22", "puzzle": "31,r0c4r0c5r0c6r0c7r0c8|14,r0c0r0c1r1c0|31,r0c2r1c1r1c2r2c0r2c1r2c2|15,r0c3r1c3r2c3|17,r1c5r2c5r2c6r2c7r3c7|6,r1c6r1c7|9,r1c8r2c8|14,r1c4r2c4|9,r3c0r3c1r3c2|13,r4c1r4c2|14,r3c8r4c8|27,r4c0r5c0r6c0r7c0r8c0|28,r5c1r5c2r6c2r7c2r7c3|30,r4c4r4c5r4c6r4c7r5c4r6c4r7c4|11,r6c1r7c1|42,r3c3r3c4r3c5r3c6r4c3r5c3r6c3|15,r5c5r5c6r6c5|6,r5c8r6c8|26,r5c7r6c6r6c7r7c5r7c6|3,r8c1r8c2|16,r8c3r8c4|8,r8c5r8c6|20,r7c7r7c8r8c7r8c8", "solution": "147235689936487152582961347315679428294518736678342915763854291459126873821793564", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11806, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11807, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-11-22", "puzzle": "0,r0c1r0c2r0c3r0c4r0c5r0c6r0c7|9,r0c0r1c0r2c0|0,r1c1r1c2r1c3r1c4r1c5r1c6r1c7|18,r0c8r1c8r2c8|22,r2c1r2c2r3c2r3c3|18,r2c3r2c4r2c5|21,r2c6r2c7r3c5r3c6|0,r3c0r3c1|8,r3c4r4c4|0,r3c7r3c8|12,r4c0r4c1r5c1|20,r4c7r4c8r5c7|7,r4c2r5c2|17,r4c3r5c3|9,r4c5r5c5|3,r4c6r5c6|15,r5c0r6c0|3,r6c2r6c3|11,r5c4r6c4|15,r6c5r6c6|10,r5c8r6c8|0,r6c1r7c1r8c1|12,r7c2r7c3|0,r7c5r7c6|0,r6c7r7c7r8c7|6,r7c0r8c0|0,r8c2r8c3|0,r7c4r8c4|11,r8c5r8c6|0,r7c8r8c8", "solution": "285714369396285417471396582928631745614957238753842196832179654147568923569423871", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11807, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11805, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-11-22", "puzzle": "10,r0c0r0c1|17,r0c2r0c3r1c2|10,r0c4r0c5|13,r0c6r0c7|13,r1c4r1c5r2c4|6,r1c6r1c7|10,r0c8r1c8r2c8|17,r1c0r1c1r2c0r3c0|15,r1c3r2c2r2c3|12,r2c5r2c6|14,r2c1r3c1|19,r3c3r3c4r3c5r3c6r4c6|11,r2c7r3c7|19,r4c0r4c1r5c0r6c0|27,r3c2r4c2r4c3r5c2|6,r4c4r4c5|17,r3c8r4c7r4c8|12,r5c5r5c6|14,r5c7r5c8|27,r5c1r6c1r6c2r7c1r8c1|15,r5c3r6c3r7c3|20,r5c4r6c4r7c4|13,r6c6r6c7r7c7|18,r6c5r7c5r7c6r8c5|6,r6c8r7c8|10,r7c0r8c0|14,r7c2r8c2r8c3r8c4|20,r8c6r8c7r8c8", "solution": "732946851916875423485213976369158247578624319124397568647589132851732694293461785", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11805, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11808, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2015-11-22", "puzzle": "17,r0c1r0c2|4,r0c3r0c4|18,r0c5r0c6r1c5|19,r0c7r0c8r1c8|0,r0c0r1c0|0,r1c2r1c3|0,r1c6r1c7r2c6r2c7|0,r1c1r2c1|15,r2c2r2c3|20,r1c4r2c4r2c5|0,r2c8r3c7r3c8|15,r2c0r3c0|0,r3c1r3c2|12,r4c0r4c1r4c2r5c2|16,r3c4r3c5r4c4r4c5|12,r3c6r4c6r4c7|13,r4c8r5c8|14,r5c0r5c1|0,r3c3r4c3r5c3r5c4r5c5|7,r5c6r6c6|11,r5c7r6c7|0,r6c0r6c1r6c2r7c2r8c2|0,r6c5r7c5|0,r6c8r7c8|20,r7c0r7c1r8c0r8c1|13,r7c3r8c3|20,r6c3r6c4r7c4r8c4|8,r7c6r7c7|0,r8c5r8c6|0,r8c7r8c8", "solution": "298315764314276859657894123973641285425738916861529347539162478146987532782453691", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11808, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11809, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2015-11-23", "puzzle": "12,r0c1r0c2|11,r0c3r0c4|3,r0c5r0c6|9,r0c0r1c0|4,r1c1r1c2|13,r1c5r1c6|16,r0c7r1c7|9,r0c8r1c8|15,r2c0r2c1|16,r1c3r2c3|7,r1c4r2c4|7,r2c5r2c6r2c7|13,r2c8r3c8|3,r3c0r3c1|14,r2c2r3c2r3c3|11,r3c4r3c5|17,r4c3r4c4|16,r3c6r4c5r4c6|14,r3c7r4c7|12,r4c0r5c0|12,r4c1r5c1|14,r4c2r5c2r5c3|9,r5c5r5c6|17,r4c8r5c8r6c8|13,r5c4r6c3r6c4|13,r6c5r6c6|7,r5c7r6c7|14,r6c0r7c0r8c0|7,r6c1r6c2r7c1|12,r7c2r7c3|17,r7c5r7c6|6,r7c8r8c8|17,r8c1r8c2|9,r7c4r8c3r8c4|10,r8c5r8c6|6,r7c7r8c7", "solution": "784652193231948576965731428126374985473895261859216347512487639347569812698123754", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11809, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11810, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2015-11-23", "puzzle": "5,r0c0r1c0|19,r0c1r0c2r0c3r1c1|9,r1c2r1c3|14,r0c4r1c4|19,r0c5r0c6r1c5|11,r0c7r1c6r1c7|13,r0c8r1c8|19,r2c0r2c1r2c2|6,r2c5r2c6|12,r2c7r2c8|33,r2c3r2c4r3c3r3c4r3c5r4c3|6,r3c6r3c7r3c8|30,r3c0r3c1r3c2r4c0r4c1|11,r5c0r5c1r6c0|27,r4c2r5c2r5c3r6c2|4,r4c4r5c4|8,r4c5r5c5|14,r4c6r5c6|27,r4c7r4c8r5c7r5c8r6c8|15,r6c3r6c4r7c4|24,r6c5r6c6r6c7r7c6|6,r7c0r8c0|19,r6c1r7c1r7c2|5,r8c1r8c2|11,r7c3r8c3|16,r7c5r8c4r8c5|22,r7c7r7c8r8c6r8c7r8c8", "solution": "291357486365498217784621539856749321923516874417832695649183752178265943532974168", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11810, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11811, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-11-23", "puzzle": 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"15,r0c7r0c8r1c8|0,r0c0r0c1r1c0r2c0|0,r0c2r1c2|19,r0c3r1c3r2c3|24,r0c4r0c5r0c6r1c4r1c5|8,r1c1r2c1|10,r2c4r2c5|0,r1c6r1c7r2c6|13,r2c7r2c8|0,r2c2r3c2|0,r3c6r3c7r3c8|0,r3c0r4c0|17,r3c1r4c1r4c2|0,r3c3r4c3|27,r3c4r3c5r4c4r5c3r5c4|12,r4c5r5c5|17,r4c6r4c7r5c7|12,r4c8r5c8|10,r5c0r5c1r5c2|13,r5c6r6c6|7,r6c0r6c1|0,r6c2r7c1r7c2|13,r6c3r6c4|0,r6c7r7c7|24,r7c3r7c4r8c2r8c3r8c4|10,r6c5r7c5r8c5|6,r7c6r8c6|17,r6c8r7c8r8c7r8c8|0,r7c0r8c0r8c1", "solution": "924315867578946312613728549739584126286173954451269738347852691865491273192637485", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11817, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11818, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2015-11-24", "puzzle": 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"22,r0c0r0c1r1c1|10,r0c2r0c3r0c4|13,r1c2r1c3|16,r0c5r1c4r1c5|9,r0c6r1c6|7,r0c7r1c7|12,r0c8r1c8|9,r1c0r2c0r2c1|8,r2c3r2c4|6,r2c5r2c6|15,r2c7r2c8|3,r3c0r3c1|13,r2c2r3c2|14,r3c3r3c4|7,r3c5r3c6|11,r3c7r4c6r4c7|15,r4c0r5c0|11,r4c3r4c4r4c5|17,r3c8r4c8|19,r4c1r4c2r5c1|4,r5c2r5c3|16,r5c4r5c5|12,r5c6r6c6|8,r5c7r5c8|6,r6c0r6c1|7,r6c2r6c3|14,r6c4r6c5|12,r6c7r6c8r7c8|9,r7c0r8c0|13,r7c1r8c1|16,r7c2r8c2|14,r7c3r7c4r8c3|8,r7c5r7c6|18,r8c4r8c5r8c6|11,r7c7r8c7r8c8", "solution": "962538147174926835538714296215863479796245318843197562421659783389472651657381924", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11819, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11821, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-11-25", "puzzle": "6,r0c1r0c2r0c3|14,r0c5r0c6|13,r0c0r1c0|11,r1c1r1c2|11,r0c4r1c4|24,r0c7r0c8r1c7r1c8r2c8|19,r2c0r2c1r2c2r3c2|26,r1c3r2c3r3c3r3c4|11,r1c5r2c4r2c5|9,r1c6r2c6|42,r3c0r3c1r4c0r4c1r4c2r4c3r5c0r5c1|23,r2c7r3c5r3c6r3c7|12,r4c4r4c5|8,r4c6r4c7|9,r3c8r4c8r5c8|21,r5c5r5c6r5c7r6c7|10,r5c2r6c0r6c1r6c2|30,r5c3r5c4r6c3r7c3|16,r6c4r6c5r7c5|6,r6c6r7c6|9,r7c0r8c0|14,r7c1r7c2|7,r7c4r8c4|23,r6c8r7c7r7c8r8c7r8c8|17,r8c1r8c2r8c3|14,r8c5r8c6", "solution": "912346857456978312738521649261483795849157263573692481124839576395764128687215934", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11821, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11820, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2015-11-25", "puzzle": 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"3,r0c0r0c1|17,r0c2r0c3|19,r0c6r0c7r1c7|10,r1c0r1c1|9,r1c2r1c3r2c2|14,r0c4r1c4r2c4|7,r0c5r1c5|14,r0c8r1c8r2c8|12,r1c6r2c6r2c7|20,r2c0r3c0r4c0|18,r2c1r3c1r3c2|11,r2c3r3c3|18,r2c5r3c4r3c5|9,r3c6r3c7|5,r4c1r4c2|12,r4c4r4c5r5c4|19,r4c6r4c7r5c7|12,r3c8r4c8r5c8|9,r5c1r5c2|11,r4c3r5c3|21,r5c5r5c6r6c6|19,r5c0r6c0r6c1|8,r6c2r6c3r6c4|14,r6c8r7c8|7,r7c0r8c0|11,r7c1r8c1|11,r6c5r7c5|11,r6c7r7c6r7c7|16,r7c2r8c2|18,r7c3r7c4r8c3|9,r8c4r8c5|11,r8c6r8c7r8c8", "solution": "128974653645123789793658412872519364514362897936847521281435976457296138369781245", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11824, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11826, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-11-26", "puzzle": 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"8,r0c0r0c1r1c0|15,r0c2r0c3|12,r0c4r0c5|11,r1c4r1c5r2c4|17,r0c6r1c6|3,r0c7r1c7|7,r0c8r1c8|16,r2c0r3c0|18,r1c1r2c1r3c1|7,r1c2r2c2|10,r1c3r2c3|10,r2c5r2c6|11,r2c7r2c8|4,r3c3r4c3|16,r3c5r3c6r3c7|13,r4c0r4c1r5c0|5,r3c2r4c2|19,r3c4r4c4r5c4|9,r4c6r5c6|24,r3c8r4c7r4c8|24,r5c1r5c2r5c3|6,r4c5r5c5|13,r6c0r6c1|5,r6c2r6c3|13,r6c5r7c5|5,r6c6r7c6|19,r5c7r6c7r7c7|10,r5c8r6c8|6,r7c0r8c0|7,r7c1r8c1|16,r7c2r8c2|12,r6c4r7c3r7c4|17,r8c3r8c4|6,r8c5r8c6|11,r7c8r8c7r8c8", "solution": "146975823375628914982413765734169258521384697698752341853246179219537486467891532", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11839, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11838, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-11-28", "puzzle": 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"39,r0c0r0c1r0c2r0c3r0c4r1c2r1c3|0,r1c0r1c1r2c0r2c1|26,r0c5r0c6r1c4r1c5|13,r0c7r1c7r2c7|0,r0c8r1c8|0,r2c3r2c4|0,r1c6r2c5r2c6|20,r2c2r3c2r4c2|16,r3c4r3c5|0,r3c6r3c7|9,r2c8r3c8|7,r3c0r4c0|0,r3c1r4c1r5c1|7,r3c3r4c3|0,r4c4r4c5r5c4r5c5|24,r4c7r4c8r5c7r5c8|0,r4c6r5c6|0,r5c0r6c0|0,r5c2r5c3r6c2|0,r6c3r6c4r6c5r7c3|16,r6c8r7c8|0,r6c1r7c0r7c1|12,r6c6r7c6|0,r6c7r7c7r8c6r8c7r8c8|15,r8c0r8c1|3,r7c2r8c2|11,r7c4r8c3r8c4|0,r7c5r8c5", "solution": "176584923823976145459132678564397281217458396398261754645723819932815467781649532", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11853, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11852, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-12-01", "puzzle": 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"12,r0c0r0c1|21,r0c3r0c4r0c5|19,r0c2r1c2r2c2|11,r1c4r1c5|11,r0c6r1c6|24,r0c7r0c8r1c7r1c8r2c8|11,r1c0r2c0|3,r1c1r2c1|7,r1c3r2c3|12,r2c5r2c6r2c7|15,r3c0r3c1r3c2r3c3|10,r2c4r3c4|30,r3c7r3c8r4c7r4c8r5c7r5c8|14,r4c0r4c1r4c2|27,r3c5r4c3r4c4r4c5r5c5|27,r5c0r5c1r5c2r5c3|6,r5c4r6c4|15,r3c6r4c6r5c6|10,r6c0r7c0|10,r6c1r7c1|13,r6c3r7c3|16,r6c5r6c6r6c7|12,r6c2r7c2r8c2|13,r7c4r7c5|10,r7c6r8c6|27,r6c8r7c7r7c8r8c7r8c8|13,r8c0r8c1|6,r8c3r8c4r8c5", "solution": "483597612627183549519642738241869357365724891798315426174958263932476185856231974", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11860, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11861, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-12-03", "puzzle": "18,r0c1r0c2r0c3|16,r0c4r0c5|10,r0c0r1c0|10,r1c1r1c2|8,r2c0r2c1|10,r1c3r2c2r2c3|21,r1c4r1c5r2c4r3c4|43,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|21,r3c1r3c2r4c2r5c1r5c2|13,r2c5r3c5|9,r2c6r3c6r3c7|24,r3c0r4c0r4c1r5c0|34,r3c3r4c3r4c4r4c5r4c6r4c7r5c3|15,r3c8r4c8r5c8|10,r5c5r6c5|16,r5c6r5c7r6c6|15,r6c0r6c1|18,r6c2r6c3r7c3|14,r5c4r6c4r7c4r7c5|42,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|5,r7c0r8c0|10,r7c1r7c2|16,r8c1r8c2r8c3|7,r8c4r8c5", "solution": "246897513819253674537164289328479165954681732761532498692748351173925846485316927", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11861, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11862, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-12-03", "puzzle": "9,r0c2r0c3r1c3|14,r0c4r0c5|5,r0c6r0c7|14,r0c0r0c1r1c0|26,r1c1r1c2r2c1r2c2|11,r1c6r1c7|0,r0c8r1c8r2c8|0,r1c4r2c4|17,r1c5r2c5r3c5|18,r2c6r2c7r3c6|20,r2c0r3c0r3c1|13,r2c3r3c2r3c3|7,r3c7r3c8|7,r4c1r4c2|37,r3c4r4c3r4c4r4c5r4c6r5c4r6c4|0,r4c0r5c0|0,r5c1r5c2r5c3|21,r5c5r5c6r6c5r6c6|3,r4c7r5c7|14,r4c8r5c8|0,r6c0r7c0|0,r6c1r7c1|22,r6c2r6c3r7c2|0,r7c4r7c5|14,r6c7r7c6r7c7|12,r8c0r8c1r8c2|0,r7c3r8c3|0,r8c4r8c5|27,r6c8r7c8r8c6r8c7r8c8", "solution": "672395148158467293349128576895712634461839725723546819287953461916284357534671982", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11862, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11863, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2015-12-03", "puzzle": "24,r0c1r0c2r0c3r0c4r1c3|16,r0c0r1c0r2c0|6,r1c1r2c1|0,r0c5r1c5|15,r0c6r1c6|0,r0c7r0c8r1c7r1c8|0,r1c2r2c2r2c3|0,r2c7r2c8|0,r3c0r3c1r4c0r5c0|0,r3c2r3c3|0,r1c4r2c4r3c4|17,r2c5r2c6r3c5r3c6|8,r3c7r3c8|12,r4c1r4c2|14,r4c5r4c6r4c7|0,r5c1r5c2|0,r4c3r4c4r5c3r5c4|0,r5c5r6c5|9,r6c3r7c3|0,r6c4r7c4|15,r5c6r6c6r6c7|0,r4c8r5c7r5c8r6c8r7c8|31,r6c0r7c0r8c0r8c1r8c2|0,r6c1r6c2r7c1r7c2|25,r7c5r8c3r8c4r8c5|12,r7c6r7c7|10,r8c6r8c7r8c8", "solution": "692158734314796852758234169475813926139562487286479513927381645541627398863945271", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11863, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11864, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2015-12-04", "puzzle": "11,r0c1r0c2|11,r0c6r0c7|11,r0c0r1c0r1c1|17,r0c3r1c2r1c3|21,r0c4r1c4r2c4|8,r0c5r1c5r1c6|17,r0c8r1c7r1c8|9,r2c0r2c1|14,r2c2r2c3|12,r2c5r2c6|4,r2c7r2c8|17,r3c1r3c2r3c3|18,r3c5r3c6r3c7|22,r3c0r4c0r5c0|4,r3c4r4c4|11,r3c8r4c8r5c8|9,r4c1r4c2r5c1|14,r4c3r5c2r5c3|17,r4c5r5c5r5c6|21,r4c6r4c7r5c7|12,r6c2r6c3|7,r5c4r6c4|10,r6c5r6c6|6,r6c0r7c0r8c0|19,r6c1r7c1r7c2|18,r7c3r7c4r7c5|11,r6c7r7c6r7c7|20,r6c8r7c8r8c8|16,r8c1r8c2|11,r8c3r8c4r8c5|7,r8c6r8c7", "solution": "483571926619382547725964831576438192932715684841629375264853719158297463397146258", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11864, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11866, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-12-04", "puzzle": 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"18,r0c1r0c2r0c3|17,r0c5r0c6r0c7|9,r0c0r1c0|6,r1c2r1c3|0,r0c4r1c4r1c5|6,r0c8r1c8|16,r1c1r2c1r2c2|0,r2c5r3c5r3c6|0,r1c6r2c6|0,r1c7r2c7r3c7|14,r2c0r3c0|11,r3c1r3c2|0,r2c3r2c4r3c3|8,r2c8r3c8|20,r4c0r4c1r4c2|0,r3c4r4c3r4c4r4c5r5c4|0,r4c6r4c7r4c8|9,r5c0r6c0|20,r5c5r6c4r6c5|0,r5c6r5c7|15,r5c8r6c8|18,r5c1r6c1r7c1|0,r6c2r7c2|0,r5c2r5c3r6c3|7,r6c6r6c7r7c7|4,r7c0r8c0|17,r7c3r7c4r8c4|9,r7c5r7c6|13,r7c8r8c8|13,r8c1r8c2r8c3|0,r8c5r8c6r8c7", "solution": "529716834461583972873429651638945127947261583215837469794358216386192745152674398", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11867, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11868, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-12-04", "puzzle": 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"17,r0c3r0c4|12,r0c5r0c6|11,r0c0r1c0|12,r0c1r0c2r1c1|10,r1c2r1c3|6,r1c4r1c5|16,r0c7r0c8r1c6r1c7|8,r2c0r2c1r3c0|15,r2c2r2c3|18,r2c4r2c5r3c5|17,r2c6r2c7r3c7|11,r1c8r2c8|6,r3c1r3c2|13,r3c6r4c6|24,r4c0r4c1r5c0|6,r3c3r4c3|11,r4c5r5c5|13,r3c8r4c7r4c8|10,r4c2r5c2|14,r3c4r4c4r5c4|12,r5c6r5c7|10,r6c0r7c0|15,r5c1r6c1r6c2|15,r5c3r6c3r6c4|8,r6c5r6c6|6,r5c8r6c7r6c8|15,r7c1r7c2r8c0r8c1|13,r7c3r7c4|6,r7c5r7c6|18,r7c7r8c6r8c7|17,r7c8r8c8|10,r8c2r8c3|10,r8c4r8c5", "solution": "632985714579124386418736295351479862896213547724568931985647123163852479247391658", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11900, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11901, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2015-12-11", "puzzle": 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"19,r0c2r0c3r0c4|16,r0c5r1c5|7,r0c0r1c0|11,r0c1r1c1|6,r1c2r1c3|19,r0c6r0c7r1c6|9,r0c8r1c8r2c8|14,r2c0r2c1|11,r2c2r2c3|5,r1c4r2c4|3,r2c5r2c6|15,r1c7r2c7|7,r3c3r3c4|10,r3c5r3c6r3c7|18,r3c0r4c0r5c0|5,r3c1r4c1|14,r3c2r4c2|21,r4c3r4c4r4c5|12,r4c6r5c6|5,r4c7r5c7|21,r3c8r4c8r5c8|10,r5c1r5c2r5c3|12,r5c4r5c5|13,r6c1r7c1|12,r6c2r6c3|6,r6c4r7c4|8,r6c5r6c6|9,r6c7r6c8|14,r6c0r7c0r8c0|9,r7c2r8c1r8c2|11,r7c5r7c6|11,r7c7r8c7|11,r7c8r8c8|15,r7c3r8c3|16,r8c4r8c5r8c6", "solution": "325689471491527863687431295948163527216975348753248916879312654162854739534796182", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11909, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11908, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-12-12", "puzzle": "26,r0c0r0c1r0c2r1c0r2c0|11,r0c5r0c6|14,r1c1r1c2r2c1|0,r0c3r0c4r1c3|0,r1c4r1c5|4,r0c7r1c7|14,r0c8r1c8|11,r2c4r2c5|10,r1c6r2c6|21,r2c7r2c8r3c7|19,r3c0r3c1r4c0|0,r2c2r2c3r3c2|0,r3c3r3c4r3c5r4c3r5c3|0,r4c4r4c5r5c4|4,r3c6r4c6|9,r3c8r4c8|11,r4c1r5c1|0,r4c2r5c2|0,r5c5r5c6r6c5|0,r4c7r5c7|4,r5c0r6c0|0,r6c1r6c2|0,r6c3r6c4|0,r6c6r6c7r7c6r7c7|5,r5c8r6c8|0,r7c0r7c1|13,r7c4r7c5|10,r8c0r8c1|0,r7c2r7c3r8c2|0,r8c3r8c4|8,r8c5r8c6|16,r7c8r8c7r8c8", "solution": "938267415276145839415938276564719382893452167127683594352876941781594623649321758", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11908, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11910, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2015-12-13", "puzzle": 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"17,r0c1r0c2r0c3r1c1|24,r0c5r0c6r0c7r1c7|12,r0c0r1c0|10,r1c2r1c3|9,r0c4r1c4|13,r1c5r1c6|5,r0c8r1c8|6,r2c0r2c1|10,r2c7r2c8|13,r2c2r3c2|10,r2c3r3c3|7,r2c4r3c4|13,r2c5r3c5|11,r2c6r3c6|27,r3c0r3c1r4c0r4c1r4c2|18,r3c7r3c8r4c6r4c7r4c8|16,r4c3r5c3|11,r4c4r5c4|7,r4c5r5c5|5,r5c0r6c0|11,r5c1r5c2r6c1|18,r5c6r5c7r6c7|11,r5c8r6c8|13,r7c0r7c1|7,r6c2r7c2|10,r6c3r7c3|13,r6c4r7c4|13,r6c5r7c5|10,r6c6r7c6|10,r7c7r7c8|16,r8c0r8c1|19,r8c2r8c3r8c4r8c5r8c6|10,r8c7r8c8", "solution": "362571894947328561518469237275614983639785142481932675124897356853246719796153428", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11925, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11927, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2015-12-16", "puzzle": 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"18,r0c0r0c1r1c0r1c1|12,r0c2r0c3|0,r0c4r0c5r1c5|0,r1c3r1c4|11,r0c6r1c6|0,r0c7r1c7|0,r0c8r1c8|15,r1c2r2c1r2c2|7,r2c3r2c4|0,r2c5r2c6|7,r2c7r2c8|0,r2c0r3c0|21,r3c3r3c4r4c3r4c4|21,r3c6r3c7r3c8|0,r3c1r4c1|16,r3c2r4c2|9,r3c5r4c5|9,r4c7r4c8r5c7|0,r4c0r5c0r5c1|11,r5c3r5c4|0,r6c0r6c1|5,r5c2r6c2|0,r4c6r5c5r5c6r6c4r6c5|13,r6c6r6c7r7c6|0,r5c8r6c8|0,r7c0r7c1|0,r6c3r7c3r8c3|0,r7c7r7c8r8c7r8c8|9,r8c0r8c1|0,r7c2r8c2|0,r7c4r7c5r8c4|11,r8c5r8c6", "solution": "243965871756812394918347625327651489469738512581294763894526137172483956635179248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11928, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11926, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-12-16", "puzzle": "21,r0c0r0c1r1c0r1c1|15,r0c2r0c3|12,r0c4r0c5r1c5r1c6|10,r2c2r2c3r3c2|23,r1c2r1c3r1c4r2c4|16,r0c6r0c7r1c7r2c7|13,r2c0r3c0|38,r2c5r3c3r3c4r3c5r4c3r5c2r5c3|22,r2c6r3c6r4c6|7,r3c7r4c7r4c8|21,r0c8r1c8r2c8r3c8|23,r2c1r3c1r4c1r4c2|18,r4c0r5c0r5c1r6c1|30,r4c4r4c5r5c4r5c5r5c6r6c5r6c6|14,r5c7r6c7|16,r6c2r6c3r6c4|12,r5c8r6c8|17,r6c0r7c0r7c1r7c2|17,r7c3r7c4r8c4|8,r7c5r7c6|27,r7c7r7c8r8c7r8c8|18,r8c0r8c1r8c2r8c3|7,r8c5r8c6", "solution": "546932718392871654781564932654319827973628541218745369465297183139486275827153496", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11926, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11929, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2015-12-17", "puzzle": "18,r0c3r0c4r0c5|6,r0c6r0c7|7,r0c0r1c0|14,r0c1r1c1|8,r0c2r1c2|15,r1c3r1c4|5,r1c5r1c6|22,r0c8r1c8r2c8|12,r2c0r2c1|7,r2c3r2c4|9,r1c7r2c7|6,r2c2r3c2|7,r3c3r3c4|16,r2c5r2c6r3c5|15,r3c7r3c8|13,r3c0r4c0|10,r3c1r4c1|11,r4c2r5c2|14,r4c3r4c4r4c5|8,r3c6r4c6|3,r4c7r5c7|11,r4c8r5c8|9,r5c0r5c1|12,r5c3r6c2r6c3|15,r5c4r5c5|17,r5c6r6c6|6,r6c1r7c1|8,r6c4r6c5|10,r6c7r6c8|12,r6c0r7c0r8c0|14,r7c2r7c3|9,r7c4r7c5|10,r7c6r8c6|12,r7c7r8c7|4,r7c8r8c8|16,r8c1r8c2|14,r8c3r8c4r8c5", "solution": "561873249287694135934251768712348596698725314453169827346517982825936471179482653", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11929, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11930, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2015-12-17", "puzzle": 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"0,r0c1r0c2|6,r0c6r0c7|0,r0c0r1c0|0,r1c1r1c2|22,r0c3r1c3r2c3r3c3|15,r0c4r1c4r2c4r3c4|16,r0c5r1c5r2c5r3c5|12,r1c6r1c7|0,r0c8r1c8|14,r2c0r3c0|0,r2c1r3c1|0,r2c2r3c2|0,r2c6r3c6|0,r2c7r3c7|0,r2c8r3c8|0,r4c0r4c1|0,r4c3r4c4r4c5r5c3r5c4r5c5|0,r4c7r4c8|10,r5c0r5c1r6c0r6c1|0,r4c2r5c2|14,r4c6r5c6|30,r5c7r5c8r6c7r6c8|0,r6c3r6c4r6c5|28,r6c2r7c1r7c2r8c1|15,r6c6r7c6r7c7r8c7|0,r7c0r8c0|0,r7c3r8c2r8c3|0,r7c4r8c4|0,r7c5r8c5r8c6|8,r7c8r8c8", "solution": "958376241127854396634921857869215734573468912241739568315682479486597123792143685", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11933, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11932, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2015-12-17", "puzzle": "25,r0c0r0c1r1c0r1c1r1c2r2c1|0,r0c2r0c3r0c4|4,r0c5r0c6|0,r1c4r1c5|20,r0c7r0c8r1c7|24,r1c3r2c2r2c3r3c1r3c2r3c3|0,r2c4r2c5|10,r1c6r2c6|12,r1c8r2c8|18,r2c0r3c0r4c0|0,r3c5r3c6|0,r2c7r3c7r3c8|9,r3c4r4c3r4c4|22,r4c6r4c7r4c8|4,r4c1r5c1|13,r4c2r5c2|0,r4c5r5c4r5c5|8,r5c6r6c5r6c6|0,r5c0r6c0|11,r6c1r6c2|0,r5c3r6c3|0,r5c7r6c7|6,r5c8r6c8|14,r7c0r7c1r8c0|0,r7c2r7c3r8c3|0,r6c4r7c4r8c4|11,r7c5r7c6|0,r7c7r7c8r8c7r8c8|11,r8c1r8c2|13,r8c5r8c6", "solution": "269483175751692483843157629627549318415238967938716254374861592586924731192375846", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11932, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11934, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2015-12-18", "puzzle": "14,r0c4r0c5r0c6|6,r0c0r0c1r1c0|17,r0c2r1c1r1c2|19,r0c3r1c3r1c4|14,r1c5r1c6r2c6|18,r0c7r1c7r2c7|12,r0c8r1c8|17,r2c0r2c1|8,r2c2r2c3|8,r2c4r2c5|15,r3c2r3c3r4c3|13,r2c8r3c7r3c8|12,r3c0r4c0|18,r3c1r4c1r4c2|14,r3c4r4c4|4,r3c5r4c5|7,r3c6r4c6|14,r5c0r5c1r6c0|9,r5c2r5c3|13,r4c7r5c6r5c7|14,r4c8r5c8|8,r6c2r6c3|13,r5c4r5c5r6c4|15,r6c5r7c5|16,r6c6r7c6|10,r6c7r7c7|11,r7c0r8c0|14,r6c1r7c1r8c1|4,r7c3r7c4|9,r6c8r7c8|15,r7c2r8c2|6,r8c3r8c4|14,r8c5r8c6|4,r8c7r8c8", "solution": "326485179174962853985317462832691547469753218751824396213576984648139725597248631", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11934, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11935, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2015-12-18", "puzzle": "6,r0c0r0c1|29,r0c2r0c3r0c4r0c5r0c6|10,r0c7r0c8|45,r1c0r1c1r1c2r1c3r1c4r1c5r1c6r1c7r1c8|15,r2c0r2c1r2c2|12,r2c4r3c4|12,r2c6r2c7r2c8|9,r2c3r3c3|5,r2c5r3c5|22,r3c0r4c0r5c0|14,r3c1r3c2r4c1|12,r4c2r4c3|7,r4c5r4c6|15,r3c6r3c7r4c7|17,r3c8r4c8r5c8|13,r5c1r5c2r5c3|13,r4c4r5c4|14,r5c5r5c6r5c7|18,r6c0r6c1r6c2|19,r6c3r6c4r6c5|8,r6c6r6c7r6c8|10,r7c2r7c3|8,r7c5r7c6|3,r7c0r8c0|20,r7c1r8c1r8c2|17,r7c4r8c3r8c4r8c5|23,r7c7r8c6r8c7|9,r7c8r8c8", "solution": "425367819379218456816594273982431765743956128651782934567829341194673582238145697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11935, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11936, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2015-12-18", "puzzle": "7,r0c3r1c3|16,r0c4r0c5|30,r0c6r0c7r1c6r1c7|11,r0c0r0c1r1c0|7,r1c4r1c5|7,r0c8r1c8|25,r0c2r1c1r1c2r2c0r2c1|25,r2c4r2c5r3c5r4c5r4c6|7,r3c0r3c1|25,r2c2r2c3r3c2r3c3|6,r2c6r3c6|12,r2c7r3c7|5,r2c8r3c8|21,r3c4r4c3r4c4|16,r4c7r4c8r5c8|13,r4c0r5c0|10,r4c1r5c1|29,r4c2r5c2r5c3r5c4r6c4|14,r5c5r5c6r6c5r6c6|9,r6c2r6c3|6,r5c7r6c7|20,r6c0r6c1r7c0r7c1|12,r7c2r7c3|6,r7c5r7c6|8,r8c0r8c1|9,r8c2r8c3|13,r7c4r8c4r8c5|36,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "451379682283416975769825134346287591512943867897651243174598326935762418628134759", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11936, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11937, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2015-12-18", "puzzle": 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"18,r0c2r0c3r0c4|0,r0c5r0c6r1c5r1c6|0,r0c0r1c0|19,r0c1r1c1r1c2|8,r1c3r1c4|9,r0c7r1c7|14,r0c8r1c8|0,r2c0r2c1r2c2|0,r2c5r2c6r2c7r2c8r3c7|19,r3c1r3c2r4c2|0,r2c3r3c3r4c3|0,r2c4r3c4r4c4r4c5|11,r3c5r3c6|0,r3c8r4c8|14,r3c0r4c0r4c1|16,r4c6r4c7|22,r5c0r5c1r6c0r7c0|0,r5c6r5c7|0,r5c2r6c2|21,r5c3r5c4r6c3r6c4|0,r5c5r6c5|13,r6c6r6c7|0,r5c8r6c8|0,r6c1r7c1r7c2|7,r7c3r7c4r7c5|37,r8c0r8c1r8c2r8c3r8c4r8c5|11,r7c6r8c6|0,r7c7r8c7|0,r7c8r8c8", "solution": "796482135382715469154936278479128356823564791561379824218657943935241687647893512", "extra": "{\"grid_size\": 9, \"puzzle_number\": 11948, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 11949, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2015-12-21", "puzzle": 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"23,r0c0r0c1r0c2r1c1|13,r0c5r0c6|15,r0c7r0c8r1c7r1c8|8,r0c3r1c3|17,r0c4r1c4|0,r1c5r1c6|9,r1c0r2c0|0,r1c2r2c2|0,r2c4r2c5r2c6r3c4|0,r2c1r3c1r4c1r5c1r6c1|0,r2c3r3c3|10,r3c5r3c6|0,r2c7r3c7|7,r3c0r4c0r5c0|30,r3c2r4c2r4c3r5c2|24,r4c4r4c5r4c6r4c7|0,r5c3r6c3|0,r5c5r5c6|8,r5c7r6c7|20,r2c8r3c8r4c8r5c8r6c8|0,r6c0r7c0|0,r6c2r7c2|0,r5c4r6c4r6c5r6c6|0,r7c3r8c3|0,r7c4r8c4|13,r7c5r7c6|15,r7c1r8c0r8c1r8c2|6,r8c5r8c6|0,r7c7r7c8r8c7r8c8", "solution": "529387614671594328384126975258413769136975842497862153965748231713259486842631597", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12013, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12016, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2016-01-03", "puzzle": 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"22,r0c0r0c1r1c0r1c1|6,r0c2r0c3|4,r0c4r0c5|15,r0c6r0c7|0,r1c2r1c3|16,r1c6r1c7r2c7|21,r0c8r1c8r2c8r3c8r4c8|0,r2c2r2c3r3c2|8,r1c4r2c4|0,r1c5r2c5r3c5|0,r2c0r3c0|0,r2c1r3c1|15,r2c6r3c6r3c7|0,r4c1r4c2|0,r3c3r3c4r4c3r4c4|0,r4c0r5c0|12,r5c1r5c2r5c3|0,r4c5r5c4r5c5|0,r4c6r4c7r5c6r5c7|24,r6c2r6c3r7c3|0,r6c4r6c5r7c4r7c5|12,r6c6r6c7r7c6|0,r5c8r6c8|0,r6c0r7c0|0,r6c1r7c1r7c2|21,r7c7r7c8r8c7r8c8|19,r8c0r8c1r8c2r8c3r8c4|11,r8c5r8c6", "solution": "752413968196728453348569172219345687583697241674182539427936815965871324831254796", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12023, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12024, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2016-01-05", "puzzle": "15,r0c0r0c1|4,r0c4r0c5|13,r0c6r0c7|7,r0c2r1c2|14,r0c3r1c3|7,r1c5r1c6|12,r0c8r1c8|5,r1c0r2c0|15,r1c1r2c1|5,r2c2r2c3|14,r1c4r2c4|18,r2c5r3c5r4c5|10,r1c7r2c7r3c7|12,r3c0r3c1r4c0|11,r3c2r3c3|9,r2c6r3c6|8,r2c8r3c8|16,r4c1r4c2|13,r3c4r4c4r5c4|10,r4c6r4c7|17,r5c0r6c0|8,r5c2r6c2|15,r5c5r5c6|16,r4c8r5c7r5c8|10,r5c1r6c1r7c1|14,r4c3r5c3r6c3|8,r6c4r7c4|10,r6c5r6c6|11,r6c7r7c7|10,r6c8r7c8|8,r7c0r8c0|5,r7c2r7c3|8,r7c5r8c5|12,r7c6r8c6|9,r8c1r8c2|16,r8c3r8c4|10,r8c7r8c8", "solution": "782631495165894327493257816346589172579312648821746953957468231634125789218973564", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12024, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12026, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2016-01-05", "puzzle": "6,r0c3r0c4|33,r0c0r0c1r0c2r1c0r2c0r3c0r4c0|7,r1c1r1c2|17,r0c5r1c5|8,r0c6r1c6|23,r0c7r0c8r1c7r1c8|18,r1c3r2c2r2c3|11,r1c4r2c4r3c4|18,r2c5r2c6r3c5r3c6|7,r2c7r2c8|13,r2c1r3c1|9,r3c7r3c8|21,r3c2r3c3r4c1r4c2|18,r4c3r4c4r5c4|19,r4c5r4c6r4c7|5,r4c8r5c8|12,r5c0r6c0|17,r5c2r5c3r6c2r6c3|16,r5c6r5c7r6c6|8,r5c1r6c1|23,r5c5r6c4r6c5r7c4|16,r6c7r7c7|7,r7c2r7c3|5,r7c5r7c6|25,r7c0r7c1r8c0r8c1|9,r8c2r8c3|34,r6c8r7c8r8c4r8c5r8c6r8c7r8c8", "solution": "276158349143769582958342716589413627317926854462875931821637495695284173734591268", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12026, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12028, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2016-01-05", "puzzle": 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"15,r0c5r0c6|9,r0c7r0c8|18,r0c0r0c1r1c0r1c1|17,r0c2r0c3r1c2|12,r0c4r1c3r1c4|19,r2c0r2c1r3c0|9,r1c5r2c5|9,r1c6r2c6|21,r1c7r1c8r2c7r2c8|19,r2c2r2c3r3c2r3c3|11,r2c4r3c4|14,r3c5r3c6r3c7|15,r3c1r4c0r4c1|8,r4c2r4c3|15,r4c6r4c7|13,r3c8r4c8r5c8r6c8|10,r5c1r5c2|21,r4c4r4c5r5c4r5c5|10,r5c0r6c0|3,r6c1r6c2|20,r5c3r6c3r7c3|4,r6c4r7c4|17,r5c6r6c5r6c6|11,r5c7r6c7|25,r7c1r7c2r8c1r8c2|7,r7c5r7c6|9,r7c0r8c0|25,r8c3r8c4r8c5r8c6|19,r7c7r7c8r8c7r8c8", "solution": "132879645597146823486253179758361492913524786264987351821735964679412538345698217", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12025, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12029, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-01-06", "puzzle": "8,r0c1r0c2|15,r0c4r0c5r1c4|5,r0c0r1c0|13,r1c1r1c2|9,r0c3r1c3|16,r0c6r0c7r1c6|16,r0c8r1c7r1c8|13,r2c0r2c1|16,r2c2r2c3r2c4|13,r3c1r3c2|13,r1c5r2c5r3c5|7,r2c6r3c6|8,r2c7r3c7|8,r2c8r3c8|12,r3c0r4c0r5c0|15,r4c1r4c2|6,r4c5r4c6|9,r4c7r4c8|5,r5c1r5c2|13,r3c3r4c3r5c3|24,r3c4r4c4r5c4|20,r5c5r6c5r7c5|14,r5c6r6c6|7,r5c7r6c7|13,r5c8r6c8|12,r6c0r6c1|11,r6c2r6c3r6c4|15,r7c0r8c0|6,r7c1r7c2|13,r7c3r8c3|18,r7c6r8c6r8c7|14,r7c7r7c8r8c8|4,r8c1r8c2|14,r7c4r8c4r8c5", "solution": "317254968294768153856913472785492316469381527123675849578129634942536781631847295", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12029, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12030, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-01-06", "puzzle": "11,r0c2r0c3|10,r1c1r1c2|18,r0c4r1c3r1c4|6,r0c5r1c5|4,r0c6r1c6|28,r0c7r0c8r1c7r2c7|38,r0c0r0c1r1c0r2c0r2c1r2c2r3c0|21,r2c3r2c4r2c5r2c6|7,r1c8r2c8r3c8|16,r3c2r3c3r4c2|25,r3c6r3c7r4c7r4c8r5c7|20,r3c1r4c0r4c1r5c1r5c2|35,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|21,r4c6r5c5r5c6|21,r5c0r6c0r7c0|23,r6c2r6c3r6c4r6c5|36,r5c8r6c6r6c7r6c8r7c8r8c7r8c8|18,r6c1r7c1r8c0r8c1|4,r7c2r8c2|11,r7c3r8c3|14,r7c4r7c5r8c4|13,r7c6r7c7|5,r8c5r8c6", "solution": "294761385637485192158932764765249831389156427412378956946827513823514679571693248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12030, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12032, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2016-01-06", "puzzle": "18,r0c0r0c1r1c0r1c1|22,r0c3r0c4r0c5r1c3|14,r0c7r0c8|6,r0c2r1c2|19,r0c6r1c6r2c6|9,r1c7r1c8r2c7|0,r2c0r2c1|14,r2c2r2c3|18,r1c4r1c5r2c4r3c4|12,r3c2r3c3|7,r2c5r3c5|0,r2c8r3c7r3c8|18,r3c0r4c0r5c0|0,r3c1r4c1r4c2r5c2|0,r4c3r4c4r5c3|24,r3c6r4c6r4c7r4c8|16,r4c5r5c5|0,r5c1r6c0r6c1r6c2|0,r6c3r7c3r7c4|9,r5c4r6c4|11,r5c6r6c6r7c6|0,r5c7r6c7r7c7|18,r5c8r6c8r7c8|24,r7c0r7c1r8c0r8c1|0,r6c5r7c5r8c5|7,r7c2r8c2|11,r8c3r8c4|0,r8c6r8c7r8c8", "solution": "631724895275938416498615723749362581312587964856149372167853249584291637923476158", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12032, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12031, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-01-06", "puzzle": "26,r0c2r0c3r0c4r0c5r0c6|12,r0c0r1c0|10,r0c1r1c1|10,r1c2r1c3r2c3r3c3|21,r1c5r1c6r2c5r3c5|15,r0c7r1c7|9,r0c8r1c8|13,r2c1r2c2|10,r1c4r2c4|10,r2c6r2c7|7,r2c0r3c0|28,r3c1r3c2r4c0r4c1r4c2r5c2|26,r3c6r3c7r4c6r4c7r4c8r5c6|6,r2c8r3c8|17,r3c4r4c4|18,r5c0r5c1r6c0|9,r4c3r5c3|7,r4c5r5c5|22,r5c7r5c8r6c8|5,r5c4r6c4|17,r6c1r6c2r7c1|44,r6c3r6c5r7c2r7c3r7c4r7c5r7c6r8c4|17,r6c6r6c7r7c7|25,r7c0r8c0r8c1r8c2r8c3|21,r7c8r8c5r8c6r8c7r8c8", "solution": "812569473493271586576438912265197834934682751781345269358914627147826395629753148", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12031, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12034, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2016-01-07", "puzzle": "11,r0c0r0c1r0c2|11,r0c3r0c4|12,r0c5r0c6|9,r1c2r1c3|14,r0c7r0c8r1c7|16,r1c0r2c0|10,r1c1r2c1r2c2|13,r1c4r2c3r2c4|15,r1c5r2c5|15,r1c6r2c6r2c7|9,r1c8r2c8|9,r3c0r3c1|7,r3c2r3c3|16,r3c4r3c5r3c6|14,r3c7r3c8r4c8|13,r4c1r4c2|18,r4c3r4c4r4c5|9,r4c6r4c7|16,r4c0r5c0r5c1|15,r5c2r5c3r5c4|3,r5c5r5c6|15,r5c7r5c8|9,r6c0r7c0|22,r6c1r6c2r7c2|10,r6c3r7c3|10,r6c4r6c5r7c4|16,r6c6r6c7r7c7|14,r6c8r7c8|12,r7c1r8c0r8c1|6,r7c5r7c6|11,r8c2r8c3|14,r8c4r8c5|11,r8c6r8c7r8c8", "solution": "614835792758129634923476815271683549485297361396541287167354928839712456542968173", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12034, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12033, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-01-06", "puzzle": "5,r0c1r0c2|9,r0c3r0c4|13,r0c7r0c8|14,r0c0r1c0|0,r0c5r1c5|0,r0c6r1c6r1c7r1c8r2c8|24,r1c1r1c2r2c1r3c1|0,r1c3r2c3|0,r1c4r2c4|0,r2c6r2c7r3c7r3c8|7,r2c0r3c0|0,r2c2r3c2|10,r3c3r3c4|0,r2c5r3c5r3c6|0,r4c0r4c1|0,r4c2r4c3|5,r4c4r4c5|0,r4c6r4c7r4c8|0,r5c0r6c0|0,r5c2r6c2|0,r5c3r5c4|23,r5c5r5c6r6c5|22,r5c1r6c1r7c1r7c2|7,r6c3r7c3|16,r6c4r7c4|0,r5c7r5c8r6c6r6c7|10,r7c0r8c0|0,r7c5r8c5|0,r6c8r7c6r7c7r7c8r8c6|0,r8c1r8c2|11,r8c3r8c4|11,r8c7r8c8", "solution": "932185476578946321146237589657823194389614752421759638764398215295471863813562947", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12033, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12035, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2016-01-07", "puzzle": 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"17,r0c0r0c1r0c2|6,r0c7r0c8|7,r1c0r1c1r1c2|4,r0c3r1c3|21,r0c4r0c5r1c4|18,r0c6r1c5r1c6|17,r1c7r1c8|22,r2c1r2c2r3c1|11,r2c5r2c6r3c5|12,r2c0r3c0|9,r2c3r3c2r3c3|5,r2c4r3c4|13,r3c6r4c6|13,r2c7r3c7|9,r2c8r3c8|16,r4c0r4c1|6,r4c2r4c3|9,r4c4r4c5|12,r5c0r5c1r5c2|17,r5c3r5c4|11,r4c7r4c8r5c7|6,r5c8r6c8|13,r6c4r7c3r7c4|16,r5c5r6c5|17,r5c6r6c6r7c6|12,r6c7r7c7|15,r6c0r7c0r8c0|5,r6c1r7c1|16,r6c2r6c3r7c2|16,r8c1r8c2|11,r8c3r8c4|7,r7c5r8c5r8c6|16,r7c8r8c7r8c8", "solution": "368195742412376589759248163583412976971563428246987315824759631135624897697831254", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12044, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12046, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-01-09", "puzzle": "13,r0c7r0c8|15,r0c0r1c0r2c0|24,r0c1r0c2r1c1r1c2|6,r0c3r1c3|18,r1c4r1c5r2c4|13,r0c4r0c5r0c6r1c6|18,r1c7r1c8r2c8|6,r2c1r2c2|10,r3c1r3c2|8,r2c3r3c3|11,r2c5r3c5|29,r2c6r2c7r3c6r3c7r4c6|18,r3c0r4c0r4c1|5,r4c2r4c3|14,r3c4r4c4|16,r3c8r4c7r4c8|10,r5c0r5c1|16,r5c2r5c3r5c4|27,r4c5r5c5r5c6r5c7r6c6r7c6|11,r5c8r6c8|22,r6c0r6c1r7c0r7c1r8c0r8c1|23,r6c2r7c2r7c3|11,r6c3r6c4r7c4|13,r6c5r7c5|11,r6c7r7c7r7c8|21,r8c2r8c3r8c4r8c5|16,r8c6r8c7r8c8", "solution": "793164285284573196651289743837652914462391857915748362526817439348926571179435628", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12046, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12045, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2016-01-09", "puzzle": 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"8,r0c0r0c1r1c1|22,r0c3r0c4r0c5|17,r0c7r0c8r1c7|13,r0c2r1c2|14,r1c4r2c4r3c4|10,r0c6r1c6|11,r1c0r2c0|15,r2c1r2c2r3c2|11,r1c3r2c3|5,r1c5r2c5|13,r2c6r2c7r3c6|8,r1c8r2c8|22,r3c0r3c1r4c0|8,r4c1r4c2|8,r3c3r4c3|7,r3c5r4c5|10,r4c6r4c7|19,r3c7r3c8r4c8|14,r5c0r6c0r7c0|15,r5c1r5c2r5c3|6,r4c4r5c4|21,r5c5r5c6r5c7|15,r5c8r6c8r7c8|11,r6c1r6c2|18,r6c3r6c4r6c5|7,r6c6r6c7|12,r7c3r7c4r7c5|11,r8c0r8c1|15,r7c1r7c2r8c2|15,r8c3r8c4r8c5|16,r7c6r7c7r8c6|8,r8c7r8c8", "solution": "436985172217463985958712643892571364571346829643829751165297438724138596389654217", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12049, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12050, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-01-10", "puzzle": 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"0,r0c0r0c1|0,r0c6r0c7|0,r1c0r1c1|5,r0c2r1c2|15,r0c3r1c3|0,r0c4r0c5r1c4|0,r1c5r1c6|6,r0c8r1c8|0,r2c0r2c1|0,r2c3r2c4r2c5|22,r1c7r2c6r2c7|0,r2c2r3c2|0,r3c3r3c4|0,r2c8r3c7r3c8|18,r3c0r4c0r5c0|12,r3c1r4c1r4c2r5c1|3,r4c3r4c4|27,r3c5r3c6r4c5r5c5r5c6|0,r4c6r4c7r4c8|0,r5c2r6c2|0,r5c3r5c4|12,r5c7r5c8r6c8|5,r6c0r6c1|0,r6c3r6c4r6c5|0,r6c6r6c7r7c7|0,r7c0r7c1|0,r7c2r8c2|10,r7c3r8c3|0,r7c4r8c4r8c5|5,r7c5r7c6|11,r7c8r8c8|6,r8c0r8c1|0,r8c6r8c7", "solution": "562937814473618592981245673816473259745129368329856741234561987697384125158792436", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12063, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12064, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2016-01-13", "puzzle": 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"11,r0c0r0c1|12,r0c2r0c3|10,r0c5r0c6|26,r0c7r0c8r1c8r2c8r3c8|16,r1c0r1c1|7,r1c2r1c3r2c2|7,r0c4r1c4|32,r1c5r2c5r3c5r4c5r5c5r6c5r7c5|5,r1c6r1c7|15,r2c0r2c1r3c0|15,r3c1r3c2|10,r2c6r3c6|13,r2c7r3c7|10,r4c0r4c1r4c2|18,r4c6r4c7r4c8|11,r5c0r6c0r6c1|12,r5c1r5c2|23,r2c3r3c3r4c3r5c3r6c3|29,r2c4r3c4r4c4r5c4r6c4|15,r5c6r6c6|13,r5c7r6c7|9,r7c0r7c1|14,r6c2r7c2r7c3|9,r7c4r8c4|10,r7c6r7c7|8,r8c0r8c1|17,r8c2r8c3|8,r8c5r8c6|20,r5c8r6c8r7c8r8c7r8c8", "solution": "835726419971458326642319857596174283127683594384592671713845962459261738268937145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12090, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12089, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-01-18", "puzzle": 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"10,r0c0r0c1|10,r0c3r0c4|18,r0c7r0c8r1c7|17,r0c2r1c1r1c2|9,r1c3r1c4|18,r0c5r0c6r1c5r1c6|15,r1c0r2c0|16,r2c3r2c4|20,r1c8r2c7r2c8r3c7|12,r2c1r2c2r3c0r3c1|16,r2c5r3c4r3c5|9,r2c6r3c6|16,r4c0r4c1|9,r3c2r4c2|13,r3c3r4c3r5c3|11,r4c4r4c5|29,r3c8r4c8r5c8r6c8r7c8|13,r5c1r5c2r6c2|6,r4c6r5c6|9,r4c7r5c7|12,r5c0r6c0r7c0r8c0|28,r5c4r5c5r6c3r6c4r6c5|17,r6c6r6c7r7c7|10,r6c1r7c1|10,r7c2r7c3|22,r7c4r7c5r7c6r8c5r8c6|12,r8c1r8c2|12,r8c3r8c4|6,r8c7r8c8", "solution": "463821579795634821812975364541283697978456213236719485124567938389142756657398142", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12095, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12094, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2016-01-19", "puzzle": 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"10,r0c4r0c5|12,r0c6r0c7|7,r0c0r1c0r2c0|29,r0c1r0c2r0c3r1c1r1c2|16,r1c3r1c4r1c5r2c3|0,r0c8r1c8r2c8|12,r2c4r2c5|9,r1c6r2c6|14,r1c7r2c7|11,r2c1r3c1|22,r2c2r3c2r3c3r3c4|4,r3c5r3c6|23,r3c0r4c0r4c1r5c0|0,r4c2r4c3|11,r4c4r4c5r4c6|31,r3c7r3c8r4c7r4c8r5c7r5c8|7,r5c1r6c1|0,r5c2r5c3r5c4r6c2|12,r5c5r5c6|0,r6c4r6c5|5,r6c6r7c6|0,r6c7r7c7|20,r6c0r7c0r8c0|0,r7c1r7c2r8c1r8c2r8c3|0,r6c3r7c3r7c4r7c5|0,r6c8r7c8r8c8|0,r8c4r8c5|0,r8c6r8c7", "solution": "235719846486253791197684253824561379759832614361497528513928467972346185648175932", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12217, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12220, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2016-02-13", "puzzle": 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"17,r0c0r0c1|13,r0c5r0c6|0,r0c7r0c8r1c8|0,r0c2r0c3r1c2r1c3r2c2|0,r0c4r1c4r1c5|0,r1c6r1c7r2c7|0,r1c0r2c0|0,r1c1r2c1|0,r2c8r3c8|0,r3c1r3c2r3c3|0,r2c3r2c4r3c4|22,r2c5r2c6r3c5r3c6|0,r3c0r4c0|21,r4c1r4c2r5c2|0,r4c5r4c6r5c6|7,r3c7r4c7r4c8|14,r5c0r5c1r6c0|0,r4c3r4c4r5c3r5c4|0,r6c1r6c2r7c2|0,r6c3r6c4r7c4|0,r5c5r6c5r7c5|27,r5c7r5c8r6c6r6c7r6c8|7,r7c3r8c2r8c3|13,r7c6r7c7|8,r7c8r8c8|0,r7c0r7c1r8c0r8c1|0,r8c4r8c5|10,r8c6r8c7", "solution": "895216734214837569673945218521389647387564921946721385158692473469173852732458196", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12218, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12219, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2016-02-13", "puzzle": 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"16,r0c0r0c1r1c1|17,r0c2r0c3|12,r0c6r0c7r0c8|14,r1c2r1c3|9,r0c4r0c5r1c4|9,r1c5r1c6|4,r1c7r1c8|10,r1c0r2c0|5,r2c1r2c2|17,r2c3r2c4r3c4|17,r2c5r2c6r2c7|15,r2c8r3c8r4c8|14,r3c5r4c5r4c6|10,r3c6r3c7|8,r3c0r4c0|20,r3c1r4c1r5c1|13,r3c2r4c2r5c2|13,r3c3r4c3r4c4|9,r5c3r5c4|15,r4c7r5c7|16,r5c8r6c8r7c8|9,r5c0r6c0|10,r6c1r6c2|11,r6c3r6c4r7c3|14,r5c5r5c6r6c5|16,r6c6r6c7r7c7|10,r7c1r7c2|24,r7c4r7c5r7c6|11,r7c0r8c0|9,r8c1r8c2|7,r8c3r8c4|13,r8c5r8c6|8,r8c7r8c8", "solution": "758931246946852713123764859695148372287395164431276598519423687364587921872619435", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12224, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12227, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-02-14", "puzzle": 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"17,r0c0r0c1|8,r0c2r0c3|5,r1c0r1c1|11,r1c2r1c3|10,r0c4r1c4|23,r0c5r0c6r1c5r2c5|22,r0c7r1c7r2c7r2c8|11,r0c8r1c8|9,r2c3r3c3|6,r1c6r2c6|13,r2c0r3c0|7,r2c1r3c1|15,r2c2r3c2r4c2|17,r2c4r3c4r3c5|8,r3c6r3c7r4c7|7,r4c0r5c0|18,r4c3r4c4r4c5|13,r3c8r4c8|14,r4c1r5c1r5c2|12,r5c3r5c4r6c4|18,r4c6r5c6r6c6|8,r5c7r6c7|10,r5c8r6c8|11,r6c2r7c2|4,r5c5r6c5|7,r7c0r8c0|24,r6c0r6c1r7c1r8c1|24,r6c3r7c3r8c2r8c3|7,r7c4r8c4|9,r7c5r7c6|16,r7c7r7c8|15,r8c5r8c6|6,r8c7r8c8", "solution": "897135642325674189461298573918762435236549718574381926759813264182456397643927851", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12315, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12312, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-03-02", "puzzle": 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"12,r0c3r0c4|7,r0c6r0c7|15,r0c0r1c0|7,r0c1r1c1|12,r0c2r1c2r2c2|12,r1c3r1c4|3,r0c5r1c5|10,r0c8r1c8|13,r2c1r3c1|9,r2c3r2c4|28,r1c6r1c7r2c6r2c7r2c8|11,r2c0r3c0|31,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|17,r2c5r3c5|11,r4c0r4c1|21,r3c2r4c2r5c0r5c1r5c2|18,r3c6r3c7r3c8r4c6r5c6|15,r4c7r4c8|10,r5c3r6c3|12,r5c8r6c8|25,r6c0r6c1r6c2r7c1r7c2|4,r6c4r6c5|15,r5c7r6c7|9,r7c0r8c0|16,r7c3r8c3|7,r7c4r7c5|13,r6c6r7c6r8c6|6,r7c7r8c7|11,r7c8r8c8|11,r8c1r8c2|14,r8c4r8c5", "solution": "953842167628571943471369825764298531382154796519637284295413678836725419147986352", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12320, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12319, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-03-04", "puzzle": 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"16,r0c6r0c7r0c8|21,r0c0r0c1r0c2r0c3r1c0|20,r1c1r1c2r2c2r2c3|25,r0c4r0c5r1c3r1c4|7,r1c5r1c6|21,r2c4r2c5r3c5|12,r1c7r2c7|8,r1c8r2c8|18,r2c0r2c1r3c0r3c1|11,r3c3r3c4|12,r2c6r3c6r3c7|10,r4c0r4c1|19,r3c2r4c2r5c2|3,r4c3r4c4|13,r4c5r4c6|20,r3c8r4c7r4c8r5c8|17,r5c0r5c1r6c0r6c1|14,r5c3r5c4|16,r5c6r5c7r6c6|22,r5c5r6c4r6c5|5,r6c7r7c7|7,r6c8r7c8|27,r7c0r8c0r8c1r8c2r8c3|16,r6c2r6c3r7c1r7c2|19,r7c3r7c4r8c4r8c5|4,r7c5r7c6|22,r8c6r8c7r8c8", "solution": "471395286689742531352168497195837624736214958248956173563479812927681345814523769", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12350, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12353, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2016-03-10", "puzzle": 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"21,r0c0r0c1r0c2r1c0r2c0|13,r0c3r1c3|13,r0c4r0c5r1c4|9,r0c6r1c6|11,r0c7r1c7|11,r0c8r1c8|24,r1c1r1c2r2c1r2c2|6,r1c5r2c5|15,r2c6r2c7r2c8r3c8|9,r3c0r3c1|16,r2c3r3c2r3c3|10,r2c4r3c4|22,r3c5r3c6r3c7|21,r4c0r4c1r5c0|3,r4c2r4c3|29,r4c4r4c5r4c6r5c4r6c4|12,r4c7r4c8|10,r5c1r5c2|19,r5c5r5c6r6c5r6c6|5,r6c0r6c1|16,r5c3r6c3r7c3|14,r5c8r6c8|15,r7c0r7c1|14,r6c2r7c2r8c2r8c3|18,r5c7r6c7r7c5r7c6r7c7|13,r8c0r8c1|8,r7c4r8c4|8,r8c5r8c6|20,r7c8r8c7r8c8", "solution": "294613857538792164167584932453827691682149375719365248325978416871436529946251783", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12410, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12409, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-03-22", "puzzle": 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"12,r0c3r0c4r0c5|23,r0c7r0c8r1c8r2c8r3c8|20,r0c0r0c1r1c0r1c1|13,r0c2r1c2|13,r1c3r1c4r1c5|15,r0c6r1c6r1c7|9,r2c0r2c1|23,r2c2r2c3r3c2r3c3|7,r2c4r3c4|21,r2c5r2c6r3c6|11,r2c7r3c7|13,r3c0r4c0r5c0|14,r3c1r4c1r5c1|9,r4c2r4c3|27,r3c5r4c4r4c5r5c3r5c4|15,r4c6r4c7r5c7|12,r5c5r5c6r6c5|12,r4c8r5c8|18,r6c0r6c1r7c1|19,r5c2r6c2r6c3|14,r6c6r6c7r7c6r7c7|10,r7c2r7c3|12,r6c4r7c4r7c5|24,r7c0r8c0r8c1r8c2r8c3|8,r8c4r8c5|31,r6c8r7c8r8c6r8c7r8c8", "solution": "645183792918427356723569841839612475452798163167354289294836517371945628586271934", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12416, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12415, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2016-03-23", "puzzle": "24,r0c0r0c1r0c2r0c3r1c0r2c0|10,r0c4r0c5|9,r1c3r1c4|26,r0c6r0c7r1c5r1c6r1c7|15,r0c8r1c8|15,r1c1r2c1|9,r1c2r2c2|14,r2c3r2c4|17,r3c0r3c1r3c2r4c2|16,r3c3r3c4|16,r2c5r2c6r2c7r3c5|9,r3c6r3c7|4,r2c8r3c8|17,r4c0r4c1|18,r4c4r4c5r4c6r5c4|8,r4c3r5c3|14,r4c7r4c8r5c7|10,r5c0r6c0|5,r5c1r6c1|15,r5c2r6c2|7,r6c3r6c4|14,r5c5r6c5|16,r5c6r6c6r7c6|11,r5c8r6c7r6c8|14,r7c1r7c2|30,r7c7r7c8r8c7r8c8|10,r7c0r8c0r8c1|13,r7c3r8c2r8c3|10,r7c4r7c5r8c4|9,r8c5r8c6", "solution": "521346789973812546486597231265974813894231675317685924748169352159723468632458197", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12415, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12414, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2016-03-23", "puzzle": "10,r0c2r0c3|18,r0c6r0c7r0c8|6,r0c0r0c1r1c0|19,r1c1r1c2r1c3|12,r0c4r1c4|15,r0c5r1c5|10,r1c6r1c7r1c8|10,r2c1r2c2r3c2|3,r2c3r2c4|15,r2c5r2c6|9,r2c7r2c8|20,r2c0r3c0r3c1|12,r3c4r3c5r3c6|17,r3c7r3c8|16,r4c0r4c1|7,r3c3r4c2r4c3|12,r5c0r5c1|12,r5c2r5c3|13,r4c4r5c4|17,r4c5r4c6r5c5|13,r4c7r5c6r5c7|4,r4c8r5c8|6,r6c0r6c1|13,r6c2r6c3|13,r6c5r6c6|17,r7c0r7c1r8c0|15,r7c2r7c3|8,r6c4r7c4|9,r6c7r7c7|6,r6c8r7c8|7,r8c1r8c2|17,r8c3r8c4|6,r7c5r7c6r8c5|18,r8c6r8c7r8c8", "solution": "127386549368549127945217836651423798792168453483975261516734982879652314234891675", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12414, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12418, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-03-23", "puzzle": 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"19,r0c3r0c4r0c5|6,r0c6r0c7|18,r0c0r0c1r1c0r1c1|0,r0c2r1c2r1c3|0,r1c4r1c5|0,r0c8r1c8r2c8|19,r2c0r2c1r3c1|0,r2c4r2c5|10,r1c6r2c6|11,r1c7r2c7|6,r2c2r2c3r3c2|0,r3c6r3c7r4c6r4c7|11,r3c0r4c0r5c0|0,r3c3r3c4r3c5r4c3r5c3|0,r3c8r4c8|14,r4c1r5c1|10,r4c2r5c2|35,r4c4r4c5r5c4r5c5r5c6r6c5r6c6|13,r5c7r5c8|3,r6c1r6c2|12,r6c0r7c0|14,r7c1r7c2|21,r6c3r6c4r7c3r7c4|10,r6c7r7c6r7c7|30,r6c8r7c8r8c6r8c7r8c8|16,r8c0r8c1r8c2|0,r8c3r8c4|0,r7c5r8c5", "solution": "629784153735196428481253697273865941854319762196472385312948576968537214547621839", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12422, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12424, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2016-03-25", "puzzle": "8,r0c3r0c4|11,r0c5r0c6|15,r0c0r1c0|6,r0c1r1c1|10,r0c2r1c2|8,r1c3r1c4|9,r1c5r2c5r2c6|17,r0c7r1c6r1c7|13,r0c8r1c8|5,r2c1r2c2|12,r2c3r2c4|14,r2c7r3c7r4c7|20,r2c0r3c0r3c1|16,r3c2r3c3|11,r3c5r3c6|9,r2c8r3c8r4c8|10,r4c2r4c3|16,r4c5r4c6|11,r4c0r5c0r6c0|11,r5c2r5c3|7,r3c4r4c4r5c4|11,r5c5r5c6|19,r5c7r5c8r6c8|22,r4c1r5c1r6c1|13,r6c4r6c5|8,r6c6r6c7|7,r7c0r8c0|15,r7c1r7c2r8c1|6,r6c2r6c3r7c3|6,r7c4r7c5|11,r7c6r8c6|10,r7c7r8c7|8,r7c8r8c8|16,r8c2r8c3|14,r8c4r8c5", "solution": "716539284854172369923486175387945621462817953195623847671294538248351796539768412", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12424, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12425, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2016-03-25", "puzzle": 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"18,r0c7r0c8r1c8|15,r0c0r0c1r1c0|13,r0c2r1c2|10,r0c3r1c3|5,r0c4r1c4|14,r0c5r1c5|12,r0c6r1c6r1c7|11,r1c1r2c0r2c1|7,r2c4r2c5|15,r2c6r2c7r2c8|15,r2c2r3c1r3c2|14,r2c3r3c3|11,r3c4r3c5|17,r3c0r4c0r5c0|18,r4c1r4c2r4c3|10,r4c4r4c5|14,r3c6r4c6r5c6|14,r3c8r4c8r5c8|10,r5c1r5c2r6c2|10,r5c3r6c3|13,r5c4r5c5|17,r3c7r4c7r5c7|14,r6c0r6c1r7c1|16,r6c4r6c5|11,r6c6r6c7r6c8|21,r7c0r8c0r8c1|5,r7c2r8c2|7,r7c3r8c3|8,r7c4r8c4|6,r7c5r8c5|18,r7c6r7c7r8c6|16,r7c8r8c7r8c8", "solution": "254318679839746512176925843927583461368491725541267398415879236793652184682134957", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12429, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12430, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-03-26", "puzzle": 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"19,r0c0r0c1r1c0|31,r0c2r0c3r0c4r0c5r0c6r0c7|31,r1c1r1c2r1c3r2c1r3c1|11,r0c8r1c6r1c7r1c8|16,r2c2r2c3r3c2|13,r1c4r2c4|9,r1c5r2c5|14,r2c6r2c7|27,r2c0r3c0r4c0r5c0r6c0r7c0|9,r3c5r3c6|29,r2c8r3c7r3c8r4c6r4c7r5c6|12,r4c1r4c2|18,r3c3r3c4r4c3r4c4|8,r5c1r5c2|18,r4c5r5c4r5c5|26,r4c8r5c7r5c8r6c8|7,r5c3r6c3|8,r6c2r7c2|14,r6c6r6c7r7c6|18,r6c1r7c1r8c0r8c1|32,r6c4r6c5r7c3r7c4r8c2r8c3|15,r7c5r8c4r8c5r8c6|20,r7c7r7c8r8c7r8c8", "solution": "845163972796842513213597684478216395539784126162359847651428739927631458384975261", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12431, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12432, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-03-26", "puzzle": "17,r0c0r0c1r1c0|0,r0c2r0c3r1c1r1c2r2c0r2c1r3c0|0,r0c4r1c3r1c4|0,r0c5r1c5|16,r0c6r0c7r1c6|0,r0c8r1c8r2c8|10,r2c2r2c3r3c2|0,r2c4r2c5|0,r1c7r2c6r2c7r3c6|14,r3c1r4c0r4c1|38,r3c3r3c4r3c5r4c3r4c4r5c3|0,r4c5r4c6|0,r3c7r4c7|0,r3c8r4c8r5c8|13,r5c0r5c1|9,r4c2r5c2|22,r6c0r6c1r7c0|0,r5c4r6c4|0,r5c5r5c6r6c5r6c6|7,r5c7r6c7|18,r6c2r6c3r7c1r7c2|8,r7c3r7c4|0,r7c5r7c6|37,r6c8r7c7r7c8r8c6r8c7r8c8|7,r8c0r8c1r8c2|0,r8c3r8c4r8c5", "solution": "689325741371469528542187936297638154416572893853941267768294315935716482124853679", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12432, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12433, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-03-26", "puzzle": 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"9,r0c0r0c1|9,r0c4r0c5|13,r0c6r0c7r1c7|14,r0c2r0c3r1c2|13,r1c3r2c3|10,r1c5r1c6|12,r0c8r1c8|14,r1c0r1c1r2c0|9,r2c1r2c2|13,r1c4r2c4r2c5|13,r2c6r2c7|7,r3c0r3c1|7,r3c2r3c3|7,r3c6r3c7|15,r2c8r3c8|14,r4c0r4c1|8,r4c2r4c3r5c3|22,r3c4r4c4r5c4|17,r3c5r4c5r4c6|9,r4c7r4c8|8,r5c0r6c0|14,r5c1r5c2|4,r5c5r5c6|10,r5c7r5c8|8,r6c1r6c2|14,r6c3r6c4r7c4|16,r6c6r6c7|17,r6c8r7c7r7c8|17,r7c0r8c0|5,r7c2r7c3|11,r6c5r7c5|13,r7c6r8c5r8c6|16,r7c1r8c1r8c2|12,r8c3r8c4|5,r8c7r8c8", "solution": "369145827274689135518723496432578619681392754795461382126854973943217568857936241", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12469, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12470, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2016-04-03", "puzzle": 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"14,r0c3r0c4r0c5|15,r0c0r1c0r2c0|13,r0c1r0c2r1c1|13,r1c2r1c3|10,r1c4r1c5|11,r0c6r0c7r1c6|18,r0c8r1c7r1c8|10,r2c1r2c2|8,r2c4r2c5|10,r2c7r2c8|12,r3c1r3c2|14,r2c3r3c3r3c4|23,r2c6r3c5r3c6|8,r3c8r4c8r5c8|16,r3c0r4c0r5c0|13,r4c1r4c2r4c3|14,r4c4r4c5r4c6|13,r3c7r4c7r5c7|6,r5c1r5c2|14,r5c3r5c4r6c3|18,r5c5r5c6r6c6|15,r6c1r6c2|11,r6c4r6c5|11,r6c7r6c8|14,r6c0r7c0r8c0|13,r7c1r8c1r8c2|12,r7c2r7c3|14,r7c4r7c5|18,r7c6r8c6r8c7|14,r7c7r7c8r8c8|10,r8c3r8c4r8c5", "solution": "862491375357682149419735682675349821938216754124857963596174238243968517781523496", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12474, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12475, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-04-04", "puzzle": "22,r0c2r0c3r0c4r0c5|16,r0c0r0c1r1c0r2c0|15,r1c3r1c4r1c5r2c3|4,r0c6r1c6|28,r0c7r0c8r1c7r1c8r2c8|27,r1c1r1c2r2c1r2c2|10,r2c4r2c5|10,r3c0r3c1|9,r3c2r3c3|14,r2c6r3c6|17,r2c7r3c7r4c6r4c7|13,r3c8r4c8|16,r4c3r5c3|13,r3c4r4c4r5c4|6,r3c5r4c5|10,r4c0r5c0|22,r4c1r4c2r5c1r6c1|6,r5c2r6c2|15,r5c5r5c6|7,r5c7r5c8|11,r6c3r6c4|22,r6c6r6c7r7c6r7c7|23,r6c0r7c0r7c1r8c0r8c1|12,r7c2r8c2|22,r6c5r7c3r7c4r7c5|15,r6c8r7c8r8c7r8c8|20,r8c3r8c4r8c5r8c6", "solution": "412857369859623147376419582647235918983741625125968734591384276238576491764192853", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12475, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12476, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-04-04", "puzzle": 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"0,r0c0r0c1r0c2|8,r0c4r0c5|10,r1c0r1c1|12,r0c3r1c2r1c3|16,r1c4r1c5|0,r2c3r2c4|45,r0c6r0c7r0c8r1c6r1c7r1c8r2c6r2c7r2c8|0,r2c0r3c0|12,r2c1r3c1|8,r2c2r3c2|12,r2c5r3c5r3c6|13,r3c7r4c7|12,r3c8r4c8|0,r4c6r5c6|6,r4c0r5c0|0,r4c1r4c2r5c1|0,r5c2r5c3r6c2r6c3|0,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|16,r5c7r5c8r6c7|0,r6c0r6c1|15,r6c5r6c6|23,r7c0r7c1r8c0r8c1|0,r7c2r8c2|11,r6c4r7c3r7c4|17,r7c5r7c6|13,r7c7r8c7|7,r6c8r7c8r8c8|8,r8c3r8c4|11,r8c5r8c6", "solution": "719253486826497513345681729283915647167834295594762138478326951631549872952178364", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12517, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12520, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2016-04-13", "puzzle": 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"16,r0c0r0c1|15,r1c0r1c1r2c0|10,r0c2r1c2|15,r0c3r1c3|4,r0c4r1c4|11,r0c5r1c5|17,r0c6r0c7r1c6|3,r0c8r1c8|4,r2c1r2c2|11,r2c3r2c4r3c3|11,r1c7r2c7|11,r3c0r4c0|15,r3c4r4c4r5c4|20,r2c5r3c5r4c5|14,r2c6r3c6|11,r2c8r3c7r3c8|3,r3c1r4c1|14,r3c2r4c2|11,r4c6r5c6|6,r4c7r5c7|10,r5c0r5c1r6c0|10,r5c2r6c2|19,r4c3r5c3r6c3|17,r4c8r5c8|14,r6c1r7c1|13,r5c5r6c4r6c5|11,r6c6r6c7|14,r7c0r8c0|14,r7c2r8c1r8c2|4,r7c3r8c3|17,r7c4r8c4|6,r7c5r8c5|3,r7c6r8c6|17,r6c8r7c7r7c8|14,r8c7r8c8", "solution": "974816532286735941531249876419578623725963418368421759192657384853194267647382195", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12529, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12531, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2016-04-15", "puzzle": 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"13,r0c4r0c5r0c6|20,r0c7r0c8r1c8|11,r0c0r1c0|6,r0c1r1c1|9,r0c2r1c2|10,r0c3r1c3|0,r2c0r2c1|0,r2c2r2c3|0,r1c4r2c4|33,r1c5r2c5r3c5r4c5r4c6r5c5|0,r1c6r2c6|12,r1c7r2c7r2c8|5,r3c0r3c1|19,r3c6r3c7r3c8r4c7r4c8|14,r4c0r4c1|18,r3c2r3c3r4c2|0,r3c4r4c4r5c4|12,r4c3r5c2r5c3|42,r5c0r6c0r6c2r7c0r7c1r7c2r8c2|6,r5c1r6c1|0,r6c3r6c4|29,r5c6r5c7r5c8r6c6|0,r7c3r7c4r8c3r8c4|12,r6c5r7c5r8c5|11,r6c7r7c6r7c7|13,r6c8r7c8r8c8|0,r8c0r8c1|0,r8c6r8c7", "solution": "852164397317985264964732815238459176596817432741326958623598741489671523175243689", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12532, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12534, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-04-16", "puzzle": "11,r0c0r0c1r1c0|3,r0c2r0c3|16,r0c4r0c5r1c4|15,r1c2r1c3|22,r0c6r0c7r1c6|15,r0c8r1c8r2c8|18,r2c0r3c0r3c1|8,r1c1r2c1|11,r2c2r2c3|17,r1c5r2c4r2c5|7,r1c7r2c7|12,r3c4r3c5|3,r2c6r3c6|12,r3c7r3c8|8,r4c0r4c1|11,r3c3r4c3r5c3|13,r4c4r4c5r4c6|12,r4c7r4c8|18,r3c2r4c2r5c2|13,r5c4r5c5|11,r5c6r6c6|7,r5c7r5c8|15,r5c0r5c1r6c0|10,r6c1r7c1|15,r6c2r6c3|13,r6c4r6c5r7c5|14,r6c7r7c7|6,r7c2r7c3|14,r7c6r8c6r8c7|14,r6c8r7c8r8c8|20,r7c0r8c0r8c1|11,r8c2r8c3|10,r7c4r8c4r8c5", "solution": "642183975138759642957426138814675293269318457375294816526947381481532769793861524", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12534, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12533, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2016-04-15", "puzzle": 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"20,r0c0r0c1r0c2|4,r0c4r0c5|17,r1c0r1c1r1c2|10,r0c3r1c3|12,r1c4r1c5|3,r0c6r1c6|14,r0c7r1c7|10,r0c8r1c8|8,r2c0r2c1r2c2|22,r2c3r2c4r3c3|12,r2c5r2c6|10,r2c7r2c8|20,r3c1r3c2r4c2|9,r3c4r3c5r3c6|16,r3c7r3c8r4c7|14,r4c3r4c4|12,r4c5r4c6|18,r3c0r4c0r5c0|5,r4c1r5c1|6,r5c2r5c3r5c4|15,r4c8r5c7r5c8|17,r6c1r6c2r6c3|16,r5c5r5c6r6c5|19,r6c6r6c7r6c8|7,r6c0r7c0r7c1|23,r7c2r7c3r8c2|13,r6c4r7c4|16,r7c5r8c5|14,r7c6r7c7r8c6|8,r8c0r8c1|3,r8c3r8c4|12,r7c8r8c7r8c8", "solution": "794831256863275194251964873685742319317598462942316785176453928429687531538129647", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12619, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12618, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-05-02", "puzzle": "19,r0c0r0c1r1c0r1c1|18,r0c4r0c5r0c6|7,r0c7r0c8|19,r0c3r1c3r1c4|17,r1c7r1c8r2c8|26,r0c2r1c2r2c0r2c1r2c2|3,r2c3r2c4|0,r1c5r2c5|9,r1c6r2c6|0,r3c3r3c4r4c3|0,r3c5r3c6|6,r2c7r3c7|0,r3c0r3c1r4c1|17,r3c2r4c2|0,r4c4r4c5r5c4r5c5|0,r3c8r4c7r4c8|0,r4c0r5c0r6c0|0,r5c1r5c2|0,r4c6r5c6r5c7|7,r6c1r6c2|16,r5c3r6c3|0,r6c4r6c5r7c5|42,r6c6r6c7r7c6r7c7r7c8r8c7r8c8|0,r5c8r6c8|8,r7c2r7c3|0,r7c0r8c0|0,r7c1r8c1r8c2|0,r7c4r8c3r8c4|10,r8c5r8c6", "solution": "925473816714698253683215749139847625278356491456921387561784932897132564342569178", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12618, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12620, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2016-05-03", "puzzle": "27,r0c0r0c1r0c2r1c0r2c0|10,r0c3r0c4|6,r0c7r0c8|12,r1c3r1c4|15,r0c5r1c5|8,r0c6r1c6|14,r1c1r1c2r2c1|15,r1c7r2c7r3c7|14,r1c8r2c8r3c8|18,r2c2r2c3r3c2r3c3|9,r2c4r3c4|10,r2c5r3c5|15,r2c6r3c6r4c6|15,r3c0r4c0|11,r3c1r4c1|3,r4c2r4c3|14,r4c7r4c8|7,r5c0r5c1|13,r5c2r5c3|16,r4c4r4c5r5c4r5c5|11,r5c7r5c8|9,r6c0r6c1|22,r6c2r6c3r6c4|10,r5c6r6c5r6c6|15,r7c1r7c2r7c3|17,r7c4r8c4|17,r6c7r7c6r7c7|5,r7c0r8c0|12,r8c1r8c2r8c3|8,r7c5r8c5|27,r6c8r7c8r8c6r8c7r8c8", "solution": "983647215152938674674521839826379451791254368435816792549762183268193547317485926", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12620, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12621, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-05-03", "puzzle": 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"24,r0c0r0c1r1c0|6,r0c2r0c3|5,r0c5r0c6|0,r0c7r0c8r1c8|20,r1c1r1c2r1c3|12,r0c4r1c4|8,r1c5r1c6r1c7|7,r2c1r2c2|0,r2c6r2c7|0,r2c0r3c0|21,r2c3r2c4r2c5r3c3r3c5|17,r2c8r3c8|0,r3c1r3c2r4c1|15,r4c2r4c3|3,r3c4r4c4|15,r4c5r4c6|0,r3c6r3c7r4c7|5,r4c0r5c0|27,r5c1r5c2r5c3r6c3r7c3|26,r5c5r5c6r5c7r6c5r7c5|8,r4c8r5c8|7,r6c0r6c1|0,r5c4r6c4|0,r6c7r6c8|0,r6c2r7c1r7c2r8c1|29,r6c6r7c6r7c7r8c7|8,r7c0r8c0|0,r8c2r8c3|0,r7c4r8c4|10,r8c5r8c6|0,r7c8r8c8", "solution": "981542367756983142243761598825314679439627815167859423618275934592436781374198256", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12622, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12624, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-05-04", "puzzle": 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"12,r0c0r0c1r0c2|17,r0c4r0c5r1c4r1c5|0,r0c6r0c7r0c8|23,r1c0r1c1r2c0r2c1|18,r0c3r1c2r1c3|0,r1c6r1c7r1c8r2c8|11,r2c2r2c3r2c4|16,r2c5r2c6r3c6|0,r3c0r3c1|10,r3c2r3c3|9,r3c4r4c4r5c4|0,r2c7r3c7|17,r4c0r5c0|5,r4c1r4c2|14,r4c3r5c3|15,r3c5r4c5|11,r4c6r4c7|0,r3c8r4c8|16,r5c1r6c1|7,r5c5r5c6|0,r5c7r5c8|12,r5c2r6c2r6c3|0,r6c4r6c5r6c6|21,r6c0r7c0r7c1r7c2|0,r7c5r7c6r8c5|0,r6c7r6c8r7c7r7c8|0,r8c0r8c1r8c2|25,r7c3r7c4r8c3r8c4|0,r8c6r8c7r8c8", "solution": "435281697689735124721649538356418279914527386872963415297354861568172943143896752", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12627, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12629, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2016-05-05", "puzzle": 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"7,r0c0r0c1|0,r0c3r0c4|18,r0c5r0c6r1c6|14,r0c7r0c8r1c7r1c8|23,r0c2r1c1r1c2r2c1|0,r1c3r1c4|0,r1c0r2c0r3c0|37,r1c5r2c4r2c5r2c6r3c6r3c7r4c6|23,r2c7r2c8r3c8|11,r2c2r3c2|9,r2c3r3c3r4c3|20,r3c4r3c5r4c4r4c5|31,r3c1r4c0r4c1r4c2r5c0|0,r4c7r5c7|0,r4c8r5c8|0,r5c4r5c5r5c6|41,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|33,r5c1r5c2r5c3r6c2r6c3r7c3|0,r6c5r6c6|14,r6c7r6c8r7c6r7c7|24,r6c4r7c4r7c5r8c3r8c4|15,r7c8r8c8|9,r8c5r8c6r8c7", "solution": "342589761859176243176324589415237896768491325923865174684753912231948657597612438", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12632, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12631, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2016-05-05", "puzzle": "19,r0c1r0c2r0c3|8,r0c4r0c5r0c6|5,r0c0r1c0|23,r1c1r1c2r1c3r2c2|11,r0c7r1c7|15,r0c8r1c8r2c8|10,r2c0r2c1|14,r1c4r2c3r2c4|19,r1c5r2c5r3c5|9,r1c6r2c6|9,r3c0r3c1r3c2|13,r2c7r3c7|13,r4c0r4c1r5c0|18,r4c2r4c3r5c2|20,r3c6r4c5r4c6|13,r3c8r4c7r4c8|7,r5c1r6c1|29,r3c3r3c4r4c4r5c4r5c5|11,r5c6r5c7r5c8|9,r6c2r7c2|17,r5c3r6c3r7c3|17,r6c4r6c5r7c4|5,r6c7r6c8|20,r6c0r7c0r8c0|11,r7c1r8c1|16,r6c6r7c5r7c6r7c7|16,r7c8r8c8|13,r8c2r8c3r8c4|15,r8c5r8c6r8c7", "solution": "473952168196378254825614793351287946749163825268549371617895432982436517534721689", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12631, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12634, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-05-06", "puzzle": "16,r0c0r0c1r0c2|10,r0c3r0c4|7,r0c5r0c6|15,r0c7r0c8r1c7|13,r1c0r1c1|12,r1c2r2c2|14,r1c3r1c4|10,r1c5r1c6|4,r2c0r2c1|6,r2c3r2c4|17,r1c8r2c7r2c8|13,r3c3r3c4|20,r2c5r2c6r3c5|7,r3c7r3c8|11,r3c0r4c0|8,r3c1r4c1|14,r3c2r4c2r5c2|13,r4c3r4c4r4c5|24,r3c6r4c6r5c6|6,r4c7r5c7|8,r4c8r5c8|12,r5c0r5c1|14,r5c3r6c2r6c3|5,r5c4r5c5|19,r6c0r6c1r7c0|13,r6c4r6c5|9,r6c7r6c8|3,r7c2r7c3|11,r7c4r7c5|4,r6c6r7c6|14,r7c7r7c8|16,r7c1r8c0r8c1|7,r8c2r8c3|12,r8c4r8c5|18,r8c6r8c7r8c8", "solution": "529371684764958231318426579251769843936814752847532916493685127682147395175293468", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12634, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12630, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2016-05-05", "puzzle": "20,r0c2r0c3r1c2|9,r0c4r0c5|13,r0c7r0c8|9,r0c0r1c0r2c0|6,r0c1r1c1|3,r1c3r1c4|19,r0c6r1c5r1c6|15,r2c1r2c2|14,r2c4r2c5r2c6|26,r1c7r2c7r3c7r3c8|9,r1c8r2c8|36,r3c0r3c1r4c0r4c1r4c2r4c3r5c0r5c1|14,r2c3r3c2r3c3|10,r3c5r3c6|35,r3c4r4c4r4c5r4c6r5c4|6,r4c7r4c8|19,r5c2r5c3r6c3|7,r5c5r5c6|8,r6c1r6c2|7,r6c4r6c5r6c6|16,r5c7r5c8r6c7r7c7|15,r6c8r7c8|18,r6c0r7c0r8c0|13,r7c1r8c1|9,r7c3r7c4|17,r7c5r7c6r8c6|15,r7c2r8c2r8c3|12,r8c4r8c5|5,r8c7r8c8", "solution": "218563794457129368396748251623451987581397642749286135935812476872634519164975823", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12630, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12633, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-05-05", "puzzle": "22,r0c0r0c1r1c1|0,r0c2r0c3|18,r0c4r0c5r0c6|0,r0c7r0c8r1c8|4,r1c3r1c4|11,r1c5r1c6|14,r1c0r2c0r3c0|0,r1c2r2c1r2c2|21,r1c7r2c6r2c7r2c8|0,r3c1r3c2r4c1|0,r2c3r2c4r2c5r3c3|0,r3c4r3c5|0,r4c2r4c3r5c2r5c3r6c2r6c3r6c4r7c2|20,r4c4r4c5r5c4|6,r3c6r4c6|0,r3c7r4c7|0,r3c8r4c8|9,r4c0r5c0r6c0|12,r5c1r6c1|12,r5c5r6c5|0,r5c6r6c6|0,r5c7r5c8r6c7|6,r7c0r7c1|0,r7c3r7c4|11,r8c0r8c1|22,r8c2r8c3r8c4|0,r7c5r8c5|0,r7c6r8c6|0,r7c7r8c7|15,r6c8r7c8r8c8", "solution": "961578324478132956352946781794813562623459178185267439249785613516324897837691245", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12633, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12635, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-05-06", "puzzle": "25,r0c0r0c1r1c0r2c0r3c0|21,r0c7r0c8r1c8r2c8r3c8|24,r0c2r1c1r1c2r2c1|10,r0c3r1c3|17,r0c4r1c4|5,r0c5r1c5|19,r0c6r1c6r1c7r2c7|7,r2c2r2c3|9,r2c5r2c6|21,r3c1r3c2r4c2|12,r2c4r3c4r4c4|9,r3c6r3c7r4c6|5,r4c0r4c1|15,r3c3r4c3|14,r3c5r4c5|12,r4c7r4c8|9,r5c0r5c1|14,r5c7r5c8|12,r5c2r6c2r7c2|14,r5c3r6c3r7c3|9,r5c4r6c4|21,r5c5r6c5r7c5|17,r5c6r6c6r7c6|8,r6c0r7c0|10,r6c1r7c1|9,r6c7r7c7|10,r6c8r7c8|20,r8c0r8c1r8c2r8c3|7,r7c4r8c4|20,r8c5r8c6r8c7r8c8", "solution": "571683429386492571492571836657849213239715684814236795743968152165327948928154367", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12635, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12636, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-05-06", "puzzle": "15,r0c3r0c4r1c4|18,r0c5r0c6r1c5|8,r0c7r0c8|13,r0c0r1c0|20,r0c1r0c2r1c1|17,r1c2r1c3r2c2r2c3r2c4|9,r2c0r2c1|22,r1c6r2c5r2c6r3c5r3c6|18,r1c7r1c8r2c7|12,r3c1r3c2r3c3|12,r2c8r3c8|15,r3c0r4c0r4c1|24,r4c2r4c3r5c2r5c3|11,r3c4r4c4|8,r4c5r4c6|24,r5c0r5c1r6c0r7c0r8c0r8c1|16,r3c7r4c7r5c7|7,r4c8r5c8|19,r6c1r6c2r7c1|33,r5c4r5c5r5c6r6c3r6c4r6c6|3,r6c7r6c8|18,r6c5r7c4r7c5|26,r7c7r7c8r8c7r8c8|14,r7c2r8c2|12,r7c3r8c3r8c4r8c5|11,r7c6r8c6", "solution": "894526371571389246632741985913854627428967153756132894347698512185273469269415738", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12636, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12637, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-05-06", "puzzle": 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"23,r0c0r0c1r1c1|0,r0c2r0c3|0,r0c6r0c7|0,r1c2r1c3|0,r0c4r1c4|0,r0c5r1c5|0,r0c8r1c8|0,r1c0r2c0|0,r2c1r2c2|0,r1c6r1c7r2c5r2c6|16,r2c7r2c8|0,r3c0r3c1r3c2|0,r2c3r3c3|0,r2c4r3c4r4c4r5c4r6c4|14,r3c5r3c6|0,r3c7r3c8|0,r4c0r4c1|0,r4c2r4c3|13,r4c5r4c6|0,r4c7r4c8|21,r5c0r5c1r5c2|10,r5c3r6c3|0,r5c5r5c6|0,r5c7r5c8|0,r6c0r7c0|0,r6c1r6c2|0,r6c5r6c6r7c6r7c7|0,r6c7r6c8|0,r7c2r7c3|13,r7c4r8c4|15,r7c5r8c5|0,r7c8r8c8|0,r7c1r8c0r8c1|15,r8c2r8c3|4,r8c6r8c7", "solution": "893572164765194823142863597316245978284937651957618432539421786671389245428756319", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12838, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12839, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-06-16", "puzzle": "16,r0c0r0c1r1c0|15,r0c4r0c5|13,r0c6r0c7r0c8|12,r0c2r1c1r1c2|15,r0c3r1c3|10,r1c4r1c5r2c5|11,r1c6r1c7r1c8|11,r2c0r2c1|12,r2c2r3c2r3c3|5,r2c3r2c4|10,r2c8r3c8|20,r3c0r3c1r4c0|20,r3c4r4c4r5c4|18,r2c6r2c7r3c6|15,r4c1r4c2r5c1|4,r4c3r5c3|11,r3c5r4c5|12,r3c7r4c6r4c7|22,r5c2r6c1r6c2|17,r4c8r5c7r5c8|7,r5c0r6c0|6,r6c4r6c5|18,r5c5r5c6r6c6|10,r6c7r6c8|9,r7c0r7c1r7c2|19,r6c3r7c3r7c4|8,r7c5r8c5|19,r7c6r7c7r8c6|13,r8c0r8c1r8c2|12,r8c3r8c4|15,r7c8r8c7r8c8", "solution": "451769382729853416836412759984275631372196548165348927698524173513687294247931865", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12839, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12840, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-06-16", "puzzle": 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"12,r0c1r0c2r1c2|17,r0c4r0c5r0c6|14,r0c0r1c0r1c1|13,r0c3r1c3r1c4|13,r1c6r1c7|20,r0c7r0c8r1c8|15,r2c0r2c1|15,r2c3r2c4|8,r1c5r2c5r2c6|7,r2c2r3c2|17,r3c3r3c4|3,r3c5r3c6|8,r2c7r3c7|9,r2c8r3c8|13,r3c0r4c0|7,r3c1r4c1|18,r4c5r4c6r4c7|7,r4c8r5c8|13,r4c2r5c2r6c2|7,r4c3r5c3|6,r4c4r5c4|19,r5c5r5c6r5c7|17,r5c0r5c1r6c0|16,r6c1r7c1|14,r6c3r7c3r8c3|7,r6c7r6c8|18,r6c4r6c5r7c4|12,r6c6r7c6r7c7|7,r7c0r8c0r8c1|14,r7c2r8c2|13,r7c5r8c4r8c5|9,r8c6r8c7|17,r7c8r8c8", "solution": "512738694639241587784695213453982176927316845861457932375829461296174358148563729", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12899, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12904, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2016-06-29", "puzzle": "12,r0c0r0c1|5,r0c2r0c3|23,r0c4r0c5r0c6|15,r1c0r1c1r2c0|6,r1c2r1c3|8,r1c5r1c6|14,r0c7r0c8r1c7|5,r1c8r2c8|19,r2c1r2c2r2c3|13,r1c4r2c4|11,r2c6r2c7|24,r3c0r3c1r3c2|10,r2c5r3c5|15,r3c7r3c8r4c8|9,r4c1r4c2r5c2|13,r3c3r4c3|6,r3c4r4c4r5c4|15,r4c5r5c5|7,r3c6r4c6r4c7|12,r4c0r5c0r5c1|6,r5c3r6c3|23,r5c6r5c7r5c8|9,r6c1r6c2|11,r6c4r7c4|11,r6c5r6c6r6c7|10,r6c0r7c0|10,r7c1r8c0r8c1|15,r7c2r7c3|8,r7c5r7c6|24,r6c8r7c7r7c8|24,r8c2r8c3r8c4|3,r8c5r8c6|9,r8c7r8c8", "solution": "752369841684251793193784562978416235526938417431527986845173629219645378367892154", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12904, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12905, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2016-06-29", "puzzle": 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"0,r0c7r0c8|6,r0c0r1c0|0,r0c1r1c1|0,r0c2r1c2|15,r0c3r0c4r1c3|0,r0c5r0c6r1c5r2c5r3c5|0,r1c6r1c7r1c8|0,r2c0r2c1|0,r2c2r2c3|13,r1c4r2c4r3c4|17,r2c7r2c8r3c7|8,r3c2r3c3|28,r2c6r3c6r4c6r5c6r6c6|33,r3c1r4c1r4c2r4c3r5c1|10,r4c4r4c5|20,r3c8r4c7r4c8r5c8|17,r3c0r4c0r5c0|3,r5c2r5c3|0,r6c0r6c1|9,r6c2r6c3|17,r5c4r6c4r7c4|10,r5c7r6c7r6c8|14,r7c0r8c0|0,r7c1r8c1|11,r7c2r8c2|14,r7c3r8c3r8c4|27,r5c5r6c5r7c5r8c5r8c6|16,r7c6r7c7r7c8|10,r8c7r8c8", "solution": "437952186295186347186347295842615739659873412371294658714568923563429871928731564", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12907, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12906, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2016-06-29", "puzzle": "17,r0c0r0c1r1c1|16,r0c4r0c5r1c4|7,r0c2r1c2|26,r0c3r1c3r2c3r2c4|8,r0c6r1c6|12,r0c7r0c8r1c7|18,r1c0r2c0r2c1|9,r2c6r2c7|20,r1c8r2c8r3c8r4c8|11,r3c0r3c1|12,r2c2r3c2r3c3|16,r1c5r2c5r3c5r3c6|28,r3c7r4c5r4c6r4c7|13,r3c4r4c4r5c4|22,r4c1r4c2r4c3r5c1|16,r5c2r5c3r6c3r7c3|15,r5c5r5c6r6c6|10,r5c7r5c8|16,r4c0r5c0r6c0r7c0|14,r6c1r6c2|21,r6c7r6c8r7c8|10,r7c1r8c0r8c1|9,r7c2r8c2|15,r6c4r6c5r7c5r8c5|10,r7c6r8c6|22,r7c4r8c3r8c4|12,r7c7r8c7r8c8", "solution": "721985364986431527543762819298146753374528691165379482459613278817254936632897145", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12906, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12909, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-06-30", "puzzle": 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"9,r0c0r0c1|12,r0c3r0c4r1c3|10,r0c5r0c6|23,r0c7r0c8r1c8|8,r1c0r1c1|5,r0c2r1c2|15,r1c4r1c5|9,r1c6r2c6|23,r2c0r2c1r3c1|4,r2c4r3c4|10,r1c7r2c7|10,r2c2r3c2|5,r2c3r3c3|12,r2c5r3c5|17,r3c6r3c7|6,r2c8r3c8|5,r3c0r4c0|15,r4c1r4c2|16,r4c3r4c4r4c5|7,r4c6r4c7|11,r4c8r5c8|10,r5c0r6c0|14,r5c1r5c2|13,r5c3r6c3|7,r5c5r6c5|11,r5c6r6c6|5,r6c1r7c1|12,r5c4r6c4|13,r5c7r6c7r6c8|6,r6c2r7c2|17,r7c3r7c4|8,r7c6r8c6|6,r7c7r7c8|18,r7c0r8c0r8c1|12,r8c2r8c3|9,r7c5r8c4r8c5|12,r8c7r8c8", "solution": "543178269712469538896235471264317985378952614159684327921743856635891742487526193", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12914, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12916, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-07-01", "puzzle": 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"17,r0c0r0c1r0c2|17,r0c6r0c7r0c8|11,r0c3r1c3|12,r0c4r1c4|4,r0c5r1c5|7,r1c0r2c0|14,r1c1r2c1|16,r1c2r2c2r3c2|18,r2c3r2c4r2c5|13,r1c6r2c6r3c6|11,r1c7r2c7|8,r1c8r2c8|9,r3c0r3c1|14,r3c3r3c4r3c5|9,r3c7r3c8|6,r4c0r4c1|9,r4c2r4c3|16,r4c5r4c6|11,r4c7r4c8|6,r5c0r5c1|11,r5c2r5c3|16,r4c4r5c4r6c4|10,r5c5r5c6|12,r5c7r5c8|10,r6c0r6c1|5,r6c7r6c8|8,r6c2r7c2|11,r6c3r7c3|6,r7c4r8c4|10,r6c5r7c5|14,r6c6r7c6|10,r7c0r8c0|13,r7c1r8c1|13,r8c2r8c3|8,r8c5r8c6|5,r7c7r8c7|15,r7c8r8c8", "solution": "782641359496583172351297846639725481248139765517468293825376914963814527174952638", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12919, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12918, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-07-01", "puzzle": 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"9,r0c0r0c1|16,r0c5r0c6r1c6|23,r0c7r0c8r1c7r2c7|11,r1c0r1c1|8,r0c2r1c2|16,r0c3r0c4r1c3|28,r2c0r2c1r3c0r3c1|9,r2c2r2c3|13,r1c4r2c4|7,r1c5r2c5|13,r1c8r2c8r3c8r4c8|13,r3c3r3c4r4c3|16,r2c6r3c6r3c7r4c6|12,r3c2r4c2r5c2|16,r3c5r4c5|15,r4c0r5c0r6c0|9,r4c1r5c1|16,r4c4r5c3r5c4r5c5|29,r4c7r5c6r5c7r5c8r6c8|19,r6c4r6c5r7c4r7c5|15,r6c6r6c7|16,r6c1r7c1r8c1r8c2|25,r6c2r6c3r7c2r7c3|5,r7c6r7c7|8,r7c0r8c0|14,r8c3r8c4|13,r8c5r8c6r8c7|11,r7c8r8c8", "solution": "185432697743956821692781354854329716961847532237165489478213965529678143316594278", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12920, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12921, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-07-02", "puzzle": "29,r0c2r0c3r0c4r0c5r1c3|19,r0c6r0c7r0c8r1c8r2c8|11,r0c0r1c0|12,r0c1r1c1r1c2|14,r1c4r1c5|26,r1c6r1c7r2c6r2c7|11,r2c1r2c2r2c3|21,r2c0r3c0r3c1|3,r3c2r3c3|12,r2c4r3c4|13,r2c5r3c5r3c6|9,r4c0r4c1|6,r4c5r4c6|10,r3c7r4c7|12,r5c0r5c1|10,r4c2r5c2|17,r4c3r4c4r5c3r5c4|8,r5c5r6c5|31,r3c8r4c8r5c7r5c8r6c8|25,r6c1r6c2r7c1r7c2|14,r6c3r6c4|11,r5c6r6c6r7c6|20,r6c0r7c0r8c0r8c1r8c2|13,r7c3r8c3|9,r7c4r8c4|22,r6c7r7c7r7c8|14,r7c5r8c5r8c6|3,r8c7r8c8", "solution": "816279435374568921925431876482197563639825147751346298167952384248713659593684712", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12921, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12922, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2016-07-02", "puzzle": 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"0,r0c2r0c3r0c4|15,r0c5r0c6|23,r0c0r0c1r1c0r1c1|0,r1c2r1c3|0,r0c7r1c7|6,r0c8r1c8|0,r1c4r2c4|7,r1c5r2c5|13,r1c6r2c6|8,r2c0r3c0|10,r2c1r2c2r3c1|16,r3c2r4c2r5c2|0,r3c4r3c5|0,r2c7r3c6r3c7|13,r2c8r3c8|0,r4c0r4c1|0,r4c4r4c5|21,r4c6r4c7r4c8|6,r5c0r6c0|17,r5c1r6c1r6c2|0,r5c4r5c5|18,r5c6r5c7r6c7|10,r5c8r6c8|25,r2c3r3c3r4c3r5c3r6c3|12,r6c4r7c4|0,r6c5r7c5|0,r6c6r7c6|30,r7c0r7c1r8c0r8c1|6,r7c2r7c3|0,r7c7r8c7|12,r7c8r8c8|13,r8c2r8c3r8c4|0,r8c5r8c6", "solution": "847319625569872431123645987752984316316527894498163572235491768674238159981756243", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12932, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12934, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2016-07-05", "puzzle": "10,r0c2r0c3|9,r0c4r0c5|18,r0c0r0c1r1c0|8,r1c1r1c2|8,r1c4r1c5|14,r0c6r1c6|15,r0c7r1c7|7,r0c8r1c8|8,r2c0r2c1|7,r1c3r2c3r3c3|17,r2c4r2c5|3,r2c7r2c8|8,r3c0r3c1|10,r2c2r3c2|14,r2c6r3c6|15,r3c8r4c8|17,r4c1r4c2r5c1|15,r4c3r5c3|16,r3c4r4c4r5c4|11,r3c5r4c5|8,r3c7r4c6r4c7|8,r4c0r5c0|17,r5c2r6c2|9,r5c6r6c6|7,r5c7r5c8|13,r6c0r6c1|4,r6c3r6c4|13,r5c5r6c5r7c5|14,r6c7r6c8|7,r7c0r8c0|14,r7c1r8c1|3,r7c2r8c2|11,r7c3r7c4|5,r7c6r7c7|21,r7c8r8c7r8c8|16,r8c3r8c4|5,r8c5r8c6", "solution": "914627583826153974537489621173295846285746139649831752768314295392568417451972368", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12934, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12933, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-07-04", "puzzle": "16,r0c2r0c3|0,r0c6r0c7r0c8|0,r0c0r1c0r2c0|0,r0c1r1c1r1c2r1c3|0,r0c4r0c5r1c4|0,r2c1r2c2|0,r1c5r1c6r2c5r2c6|27,r1c7r1c8r2c7r2c8|0,r3c1r3c2|0,r2c3r2c4r3c3|16,r3c5r3c6|25,r3c0r4c0r4c1r5c0r6c0r7c0|15,r4c2r4c3|9,r3c4r4c4r4c5|0,r3c7r4c6r4c7|0,r3c8r4c8|7,r5c1r5c2|28,r5c3r5c4r5c5r6c5|9,r5c6r5c7|0,r5c8r6c8|0,r6c1r7c1|0,r6c2r7c2|9,r6c3r7c3|18,r6c4r7c4r7c5|0,r6c6r6c7r7c6r7c7r7c8|0,r8c0r8c1|6,r8c2r8c3|8,r8c4r8c5|21,r8c6r8c7r8c8", "solution": "547961832623845197891372465256137984789624513134589726478296351365718249912453678", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12933, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12935, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2016-07-05", "puzzle": "18,r0c1r0c2r0c3|9,r0c4r0c5|15,r0c6r0c7r0c8|5,r0c0r1c0|25,r1c2r1c3r2c2r2c3|8,r1c4r1c5|16,r1c1r2c0r2c1|15,r2c4r2c5r3c4|16,r1c6r1c7r2c6|12,r1c8r2c8|7,r3c2r3c3|15,r3c5r3c6|12,r2c7r3c7r3c8|42,r3c0r3c1r4c0r4c1r4c2r5c0r5c1|8,r4c3r4c4|12,r4c5r4c6|6,r4c7r4c8|3,r5c2r5c3|12,r5c5r5c6|14,r5c7r5c8r6c7|19,r6c0r6c1r7c1|9,r5c4r6c4r6c5|8,r6c6r7c6r7c7|11,r6c8r7c8|8,r7c0r8c0|21,r6c2r6c3r7c2r7c3|15,r7c4r7c5|9,r8c1r8c2r8c3|12,r8c4r8c5|23,r8c6r8c7r8c8", "solution": "345927618218653479697481523432568791856719342971234865569842137783196254124375986", "extra": "{\"grid_size\": 9, \"puzzle_number\": 12935, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 12936, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2016-07-05", "puzzle": 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"5,r0c0r0c1|11,r0c4r0c5|16,r1c0r1c1r2c0|17,r0c2r1c2|9,r0c3r1c3|14,r1c4r1c5r2c4|5,r0c6r1c6|12,r0c7r1c7|14,r0c8r1c8|15,r2c1r2c2r2c3|13,r2c5r2c6r2c7|10,r3c0r3c1r3c2|6,r3c3r3c4|11,r2c8r3c8|17,r4c0r4c1r5c1|12,r4c2r5c2r5c3|22,r4c3r4c4r4c5|14,r3c5r3c6r4c6|20,r3c7r4c7r4c8|16,r5c0r6c0|6,r5c4r5c5|12,r5c6r5c7r5c8|8,r6c1r6c2r6c3|13,r6c5r6c6r6c7|10,r7c0r8c0|14,r7c1r8c1|7,r7c2r8c2|16,r6c4r7c3r7c4|13,r7c5r8c5|15,r7c6r8c6|17,r6c8r7c7r7c8|10,r8c3r8c4|5,r8c7r8c8", "solution": "418592376379416258625873914163248597542967183987351462734185629891624735256739841", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13034, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13035, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2016-07-25", "puzzle": 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"0,r0c5r0c6|8,r0c0r1c0|0,r0c1r1c1|11,r0c2r1c2|17,r0c3r0c4r1c3r1c4r2c4|10,r1c5r1c6|0,r0c7r1c7|0,r0c8r1c8|20,r2c0r2c1r3c0|0,r2c2r2c3|14,r2c6r2c7r2c8|12,r3c1r3c2|7,r2c5r3c5|11,r3c7r3c8|3,r4c0r4c1|0,r4c2r5c2|0,r3c3r4c3|0,r3c4r4c4r5c4|5,r4c5r5c5|6,r3c6r4c6|0,r4c7r4c8|0,r5c0r5c1|0,r5c3r6c3|0,r5c6r5c7|0,r6c0r6c1r6c2|16,r6c5r6c6|0,r5c8r6c7r6c8|10,r7c0r8c0|0,r7c1r8c1|0,r7c2r7c3|0,r6c4r7c4r7c5r8c4r8c5|8,r7c6r8c6|11,r7c7r8c7|0,r7c8r8c8|11,r8c2r8c3", "solution": "284715639657239184931846725893471256126583497475692813548327961769158342312964578", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13037, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13038, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-07-25", "puzzle": 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"34,r0c1r0c2r0c3r1c1r2c0r2c1|16,r0c5r0c6r0c7|5,r0c0r1c0|22,r0c4r1c3r1c4|9,r1c5r1c6|11,r0c8r1c7r1c8|16,r1c2r2c2r3c2r4c2|9,r2c5r3c5|13,r2c7r2c8|14,r3c0r3c1|11,r2c3r2c4r3c3|9,r2c6r3c6|9,r3c7r3c8|8,r4c0r4c1|29,r3c4r4c3r4c4r4c5r5c4|13,r4c7r4c8|10,r5c0r5c1|12,r5c2r6c2|9,r5c5r6c4r6c5|12,r5c7r5c8|13,r6c0r6c1|3,r5c3r6c3|23,r4c6r5c6r6c6r7c6|12,r7c0r7c1r8c0|9,r7c2r7c3|17,r7c4r7c5r8c4|5,r7c8r8c8|22,r8c1r8c2r8c3|30,r6c7r6c8r7c7r8c5r8c6r8c7", "solution": "187563492425978136936412785593647218712385649648291357854126973271839564369754821", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13041, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13042, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-07-26", "puzzle": "4,r0c0r0c1|11,r0c2r0c3|18,r0c4r0c5r0c6|24,r1c0r1c1r2c1|0,r1c2r1c3|0,r1c4r1c5|14,r0c7r1c6r1c7|6,r0c8r1c8|0,r2c2r2c3|0,r2c4r2c5|18,r2c6r2c7r3c6|0,r2c0r3c0r4c0|0,r3c1r3c2r3c3r4c2|0,r3c4r3c5|0,r2c8r3c8|8,r4c1r5c1|11,r4c3r4c4r4c5|0,r3c7r4c7|6,r5c0r6c0|10,r5c3r5c4|27,r4c6r5c5r5c6r5c7|15,r4c8r5c8r6c8|0,r5c2r6c1r6c2|0,r6c3r6c4|0,r6c5r6c6|9,r7c0r8c0|18,r7c1r7c2r8c1|0,r7c3r7c4|0,r7c5r7c6|18,r6c7r7c7r7c8|20,r8c2r8c3r8c4|3,r8c5r8c6|12,r8c7r8c8", "solution": "136529784894673512572418936781954623963182475425736891217865349359247168648391257", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13042, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13045, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2016-07-27", "puzzle": "8,r0c0r0c1|10,r0c2r0c3|10,r0c4r0c5r0c6|9,r1c0r1c1|22,r1c2r1c3r1c4|30,r0c7r0c8r1c7r1c8r2c7|13,r2c0r2c1r3c1|10,r2c3r2c4|11,r1c5r2c5|7,r1c6r2c6|16,r3c3r4c3|17,r3c4r3c5r4c4r4c5r5c4|16,r3c6r3c7r4c6|12,r2c8r3c8|6,r3c0r4c0|18,r2c2r3c2r4c2|5,r4c7r4c8|23,r4c1r5c0r5c1r5c2|27,r5c6r5c7r6c6r6c7r7c6|26,r6c0r6c1r7c1r8c1|14,r5c3r6c2r6c3r6c4|14,r5c5r6c5|7,r5c8r6c8|9,r7c2r7c3|22,r7c7r7c8r8c7r8c8|10,r7c0r8c0|7,r8c2r8c3|21,r7c4r7c5r8c4|5,r8c5r8c6", "solution": "174623598639854127528197643463712859287965314915438762841276935756349281392581476", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13045, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13044, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2016-07-27", "puzzle": "9,r0c0r0c1r1c0|12,r0c3r0c4|12,r0c7r0c8|24,r0c2r1c1r1c2|3,r1c3r1c4|19,r0c5r1c5r2c5|11,r0c6r1c6r2c6|13,r1c7r1c8|6,r2c0r2c1|20,r2c3r2c4r3c3|11,r3c0r3c1|7,r2c2r3c2|12,r2c7r3c7|10,r2c8r3c8|9,r4c0r4c1|7,r4c2r5c2|6,r4c3r5c3|12,r3c4r4c4r5c4|11,r3c5r4c5|11,r3c6r4c6|8,r4c7r4c8|16,r5c0r6c0|9,r5c1r6c1|8,r5c6r6c6|10,r5c7r5c8|12,r5c5r6c4r6c5|15,r6c7r6c8|10,r7c0r7c1|16,r6c2r7c2r8c2|21,r6c3r7c3r8c3|14,r7c4r7c5|19,r7c6r7c7r8c6|11,r8c0r8c1|5,r8c4r8c5|6,r7c8r8c7r8c8", "solution": "248576139397124685156389472471963258632458917985217364714832596823695741569741823", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13044, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13046, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-07-27", "puzzle": "22,r0c2r0c3r0c4r1c2|19,r0c5r0c6r0c7|9,r0c0r0c1r1c0|19,r1c3r1c4r1c5|13,r0c8r1c8r2c8|15,r1c1r2c0r2c1|6,r2c4r2c5|11,r1c6r2c6r3c6r3c7|16,r1c7r2c7|11,r2c2r3c2|41,r2c3r3c3r3c4r4c4r5c3r5c4r6c3|19,r3c0r4c0r5c0|12,r3c1r4c1r5c1|4,r4c2r4c3|15,r3c5r4c5r5c5|15,r4c6r4c7|13,r3c8r4c8r5c8|11,r5c2r6c2|22,r6c0r6c1r7c1|6,r6c4r6c5|23,r5c6r5c7r6c6r7c6|3,r6c7r7c7|13,r7c0r8c0r8c1|18,r7c3r7c4r7c5|19,r6c8r7c8r8c8|17,r7c2r8c2r8c3r8c4|13,r8c5r8c6r8c7", "solution": "519237486328964175674815392837496251251378964946521738795642813463189527182753649", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13046, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13047, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-07-27", "puzzle": "31,r0c3r0c4r0c5r1c3r2c3|19,r0c6r0c7r0c8r1c7r1c8|20,r0c0r0c1r0c2r1c0|10,r1c1r1c2|0,r1c4r1c5|0,r1c6r2c6|8,r2c0r3c0|7,r2c1r3c1|13,r2c2r3c2|0,r2c4r3c3r3c4|18,r2c5r3c5r3c6|0,r2c7r2c8r3c7|9,r4c0r5c0|12,r4c1r4c2|0,r4c3r4c4r4c5|17,r4c6r4c7|0,r3c8r4c8|16,r5c1r6c0r6c1|18,r5c2r5c3r6c3|0,r5c4r5c5r6c4|5,r5c6r6c6|0,r5c7r6c7|0,r5c8r6c8|0,r6c2r7c2|10,r7c3r7c4|8,r7c6r7c7|24,r7c8r8c6r8c7r8c8|23,r7c0r7c1r8c0r8c1r8c2|0,r6c5r7c5r8c3r8c4r8c5", "solution": "981547632264938571735612948148359726657124893329786415596273184872461359413895267", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13047, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13048, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-07-27", "puzzle": 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"16,r0c0r0c1r0c2|8,r1c1r1c2|18,r0c3r0c4r1c4|8,r0c5r0c6r1c5|17,r0c7r1c6r1c7|9,r0c8r1c8|17,r1c3r2c3r2c4|12,r2c7r2c8|20,r1c0r2c0r3c0|17,r2c1r3c1|8,r2c2r3c2|11,r2c5r3c4r3c5|12,r2c6r3c6r3c7|8,r3c8r4c8|7,r4c0r4c1r5c0|14,r3c3r4c2r4c3|15,r4c4r4c5r5c4|17,r4c6r4c7|11,r5c1r5c2|13,r5c6r5c7r5c8|10,r6c1r6c2|10,r5c3r6c3r7c3|21,r5c5r6c4r6c5|15,r6c6r6c7r6c8|9,r6c0r7c0|10,r7c1r7c2|16,r7c4r7c5|5,r7c6r7c7|11,r8c0r8c1|6,r8c2r8c3|17,r8c4r8c5r8c6|17,r7c8r8c7r8c8", "solution": "934875261562931478781624539897452613243716985156389724619248357328597146475163892", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13214, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13215, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-08-30", "puzzle": 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"22,r0c1r0c2r1c1|22,r0c0r1c0r2c0r3c0|13,r0c3r1c2r1c3r2c2|22,r0c4r0c5r0c6r1c4r2c4|14,r1c5r1c6|13,r0c7r0c8r1c7|26,r2c6r2c7r3c6r3c7r3c8|5,r1c8r2c8|8,r2c1r3c1|11,r2c3r3c2r3c3|17,r2c5r3c5|45,r3c4r4c0r4c1r4c2r4c3r4c4r4c5r4c6r5c4|12,r4c7r4c8|11,r5c1r6c1|10,r5c2r5c3r6c3|5,r5c5r6c5|27,r5c6r5c7r5c8r6c6r6c7|11,r6c8r7c8|20,r5c0r6c0r7c0r8c0|30,r6c2r7c2r7c3r8c3|20,r6c4r7c4r8c4r8c5r8c6|10,r7c5r7c6|14,r7c7r8c7r8c8|17,r7c1r8c1r8c2", "solution": "759241638681735924423689571562378419318496257974152863847523196296817345135964782", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13216, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13213, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2016-08-29", "puzzle": 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"10,r0c1r0c2|15,r0c3r0c4r1c4|24,r0c7r0c8r1c8|11,r0c0r1c0|5,r1c1r1c2|13,r0c5r1c5|21,r0c6r1c6r1c7r2c6r2c7r2c8|20,r2c0r2c1r3c0r4c0|16,r1c3r2c2r2c3|33,r2c4r2c5r3c5r3c6r4c6|6,r3c1r3c2|14,r3c3r3c4|4,r3c7r3c8|32,r4c1r4c2r4c3r4c4r5c4r6c4r7c4|8,r4c5r5c5|18,r4c7r4c8r5c8|5,r5c0r6c0|7,r5c6r5c7r6c6|15,r5c1r6c1|24,r5c2r5c3r6c2r6c3|14,r6c7r7c7|12,r6c8r7c8|25,r7c0r7c1r8c0r8c1|8,r7c2r7c3|7,r6c5r7c5|22,r7c6r8c4r8c5r8c6|8,r8c2r8c3|8,r8c7r8c8", "solution": "537164289641289537289573641724956813358421976196837425463792158872615394915348762", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13226, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13224, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2016-09-01", "puzzle": 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"11,r0c2r0c3|24,r0c7r0c8r1c8|15,r0c0r0c1r1c0|7,r1c1r1c2|20,r0c4r1c3r1c4r2c4|14,r0c5r0c6r1c5|8,r1c6r1c7r2c7|10,r2c5r2c6r3c6|9,r2c0r3c0|17,r2c1r3c1|8,r2c2r3c2|8,r2c3r3c3|13,r2c8r3c7r3c8|14,r4c0r4c1|8,r4c2r4c3|23,r3c4r3c5r4c4r4c5|23,r4c6r4c7r4c8r5c7|11,r5c4r6c4|13,r5c5r5c6|10,r5c8r6c8|7,r5c0r6c0|21,r5c1r5c2r5c3r6c3r7c3|15,r6c5r6c6|6,r6c7r7c7|33,r6c1r6c2r7c0r7c1r7c2r8c0r8c1|12,r7c4r8c4|8,r7c5r7c6|13,r8c2r8c3|8,r8c5r8c6|16,r7c8r8c7r8c8", "solution": "815624397643917258792385416286579134957143862431268579328756941564891723179432685", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13225, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13229, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-09-02", "puzzle": 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"12,r0c2r0c3|4,r0c7r0c8|12,r0c0r1c0r2c0|8,r0c1r1c1|10,r1c3r2c3|17,r0c4r1c4|8,r0c5r1c5|15,r0c6r1c6|9,r1c7r1c8|17,r1c2r2c1r2c2|13,r2c4r2c5r2c6|17,r2c7r2c8r3c8|9,r3c1r3c2|23,r3c3r3c4r3c5|11,r3c6r4c6|5,r3c0r4c0|7,r4c1r5c1|7,r4c3r4c4r4c5|6,r3c7r4c7|13,r4c8r5c8|16,r4c2r5c2|15,r5c3r5c4r5c5|8,r5c6r5c7|21,r5c0r6c0r6c1|14,r6c2r6c3r6c4|8,r6c6r6c7r7c6|17,r7c0r7c1|7,r7c2r8c2|7,r7c3r8c3|9,r7c4r8c4|8,r6c5r7c5|16,r7c7r8c7|17,r6c8r7c8r8c8|7,r8c0r8c1|12,r8c5r8c6", "solution": "758492631132786945496351782245869317367214859819537264671943528984625173523178496", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13254, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13256, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2016-09-07", "puzzle": 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"4,r0c1r0c2|31,r0c4r0c5r0c6r0c7r1c7|15,r0c0r1c0|21,r0c3r1c2r1c3r1c4r2c2|11,r1c5r1c6|10,r0c8r1c8|7,r1c1r2c1|21,r2c4r2c5r3c5|5,r2c7r2c8|9,r2c0r3c0|20,r2c3r3c2r3c3|5,r2c6r3c6|19,r3c1r4c0r4c1r5c1|9,r4c2r4c3|20,r3c4r4c4r5c4|10,r4c5r4c6|20,r3c8r4c8r5c8|8,r5c0r6c0|14,r5c2r5c3r6c3|8,r5c6r6c6|10,r3c7r4c7r5c7|15,r6c1r7c1|12,r5c5r6c4r6c5|17,r6c7r6c8|5,r7c0r8c0|28,r6c2r7c2r7c3r7c4r8c3|12,r7c5r7c6|3,r7c8r8c8|12,r8c1r8c2|24,r7c7r8c4r8c5r8c6r8c7", "solution": "631572894928314756754968123215697438847231965369485217572143689186759342493826571", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13255, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13257, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2016-09-07", "puzzle": "16,r0c0r0c1r0c2|12,r0c6r0c7r0c8|0,r1c1r1c2|0,r0c3r1c3|20,r0c4r1c4r2c4r3c4|0,r0c5r1c5|14,r1c6r1c7|4,r1c0r2c0|0,r1c8r2c8|0,r2c1r2c2r3c1r3c2|5,r2c3r3c3|14,r2c5r3c5|29,r2c6r2c7r3c6r3c7|23,r3c0r4c0r4c1|0,r4c2r4c3r4c4r4c5r4c6|0,r3c8r4c7r4c8|10,r5c1r5c2|6,r5c6r5c7|0,r5c0r6c0|19,r5c3r6c2r6c3|0,r5c5r6c5r6c6|0,r5c8r6c8|0,r6c1r7c1r8c1|13,r7c2r7c3|20,r5c4r6c4r7c4r8c4|12,r7c5r7c6|0,r6c7r7c7r8c7|13,r7c0r8c0|0,r8c2r8c3|6,r8c5r8c6|12,r7c8r8c8", "solution": "286539417395174682147268953921346875864752391573981246452813769619427538738695124", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13257, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13259, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-09-08", "puzzle": "11,r0c0r0c1r0c2|13,r0c6r0c7r1c6|9,r1c0r2c0|16,r1c1r1c2r2c1|9,r0c3r1c3|17,r0c4r0c5r1c4|11,r1c5r2c5|14,r0c8r1c7r1c8|17,r2c2r2c3r2c4|10,r2c7r2c8|15,r3c1r3c2r3c3|5,r3c4r4c4|15,r2c6r3c6r3c7|10,r3c0r4c0|13,r4c1r4c2|12,r3c5r4c5|13,r4c6r4c7r5c6|18,r3c8r4c8r5c8|13,r5c1r5c2|11,r4c3r5c3|9,r5c4r5c5|8,r5c0r6c0|7,r6c1r6c2|16,r6c3r6c4|19,r6c5r6c6r7c5|8,r5c7r6c7|13,r7c0r7c1r7c2|6,r7c3r7c4|17,r7c6r7c7|9,r6c8r7c8r8c8|17,r8c0r8c1|10,r8c2r8c3r8c4|14,r8c5r8c6r8c7", "solution": "821654397467389125539172846316847259794215638258963471643798512175426983982531764", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13259, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13260, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-09-08", "puzzle": 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"11,r0c0r0c1|0,r1c0r1c1|10,r0c2r0c3r1c2|0,r0c4r0c5r1c4|7,r0c6r1c5r1c6|10,r0c7r1c7|0,r0c8r1c8|0,r2c0r2c1r2c2r3c0|0,r1c3r2c3|0,r2c5r2c6r2c7|13,r3c1r3c2|10,r2c4r3c3r3c4|0,r2c8r3c8|0,r4c0r4c1r4c2r5c1r5c2|32,r3c5r4c3r4c4r4c5r5c3|0,r3c6r3c7r4c6r4c7r4c8|8,r5c0r6c0|18,r5c4r5c5r6c4|13,r5c6r5c7|14,r6c1r6c2r6c3|4,r6c5r7c5|23,r5c8r6c6r6c7r6c8|16,r7c0r8c0|4,r7c1r8c1|13,r7c2r7c3r8c2|19,r7c4r8c3r8c4|0,r7c6r8c5r8c6|0,r7c7r7c8|0,r8c7r8c8", "solution": "295138476674952138183764952467319825859627341321845769548293617936571284712486593", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13297, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13299, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2016-09-16", "puzzle": "15,r0c0r0c1|13,r0c3r0c4r1c3|5,r0c6r0c7|3,r1c0r1c1|13,r0c2r1c2|16,r0c5r1c5r1c6|8,r0c8r1c8|8,r2c0r2c1|9,r1c4r2c4|11,r2c5r2c6|16,r1c7r2c7|13,r3c0r3c1|9,r2c2r3c2|13,r2c3r3c3|10,r3c4r3c5|10,r2c8r3c8|22,r4c0r4c1r5c1|3,r4c2r5c2|14,r4c3r4c4r4c5|11,r3c6r4c6|13,r3c7r4c7r4c8|13,r5c0r6c0|10,r5c3r5c4|3,r5c5r6c5|11,r5c6r6c6|11,r5c7r5c8|10,r6c1r7c1|7,r6c2r6c3|13,r6c4r7c4|15,r6c7r6c8|4,r7c0r8c0|18,r7c2r7c3r8c3|14,r7c6r8c6|3,r7c7r7c8|10,r8c1r8c2|18,r7c5r8c4r8c5|10,r8c7r8c8", "solution": "789623145214587693536419278853964712672158439491732856965241387347896521128375964", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13299, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13300, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-09-16", "puzzle": "18,r0c0r0c1r0c2|24,r0c3r0c4r0c5r1c4r2c4|14,r0c6r0c7r0c8|26,r1c0r1c1r1c2r1c3r2c0r2c1|33,r1c5r1c6r1c7r1c8r2c7r2c8|10,r2c2r2c3|10,r2c5r2c6|12,r3c2r3c3|10,r3c5r3c6|14,r3c4r4c4|20,r4c1r4c2r4c3r5c1|9,r5c4r6c4|24,r4c5r4c6r4c7r5c7|11,r5c2r6c2r7c2|7,r5c3r6c3|5,r5c5r6c5|22,r5c6r6c6r7c6|38,r3c0r3c1r4c0r5c0r6c0r7c0r8c0|14,r6c1r7c1|15,r7c3r8c3|11,r7c5r8c5|5,r6c7r7c7|29,r3c7r3c8r4c8r5c8r6c8r7c8r8c8|5,r8c1r8c2|8,r7c4r8c4|11,r8c6r8c7", "solution": "198436257347125689652897314835769142419382765276541893761254938984673521523918476", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13300, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13301, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-09-16", "puzzle": 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"17,r0c0r0c1r1c1|14,r0c2r0c3|20,r0c4r0c5r0c6r1c6|13,r1c2r1c3r1c4|24,r0c7r0c8r1c7r1c8r2c7|18,r1c0r2c0r2c1r2c2|4,r1c5r2c5|8,r3c0r3c1|13,r2c3r3c3|19,r2c4r3c4r3c5|17,r2c8r3c8r4c8r5c8r6c8|14,r4c0r4c1|14,r4c3r4c4r4c5|15,r3c7r4c7r5c7|6,r5c0r5c1|17,r3c2r4c2r5c2|7,r5c3r6c3|16,r5c4r5c5r6c4|24,r2c6r3c6r4c6r5c6r6c6|23,r6c0r6c1r6c2r7c0|15,r6c5r7c5|12,r7c2r7c3r7c4|34,r6c7r7c7r7c8r8c7r8c8|12,r7c1r8c0r8c1|6,r8c2r8c3|23,r7c6r8c4r8c5r8c6", "solution": "938625417652741938741893256179582643863914725425367891597436182286159374314278569", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13326, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13327, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-09-21", "puzzle": "20,r0c0r0c1r1c0|0,r0c2r0c3r0c4r0c5r0c6|14,r0c7r0c8r1c8|7,r1c1r1c2|0,r1c3r1c4r1c5r2c4|0,r1c6r1c7|15,r2c1r2c2r2c3|15,r2c5r2c6r2c7|0,r2c0r3c0|36,r3c1r3c2r3c3r3c4r3c5r3c6r3c7|5,r2c8r3c8|19,r4c0r4c1r4c2r4c3|21,r4c5r4c6r4c7r4c8|8,r5c0r5c1|0,r5c2r5c3r6c2|9,r4c4r5c4|0,r5c5r5c6r6c6|6,r5c7r5c8|0,r6c0r6c1|15,r6c7r6c8|4,r6c3r7c3|0,r6c4r7c4|10,r6c5r7c5|12,r7c0r8c0|0,r7c1r8c1|0,r7c2r8c2|18,r8c3r8c4r8c5|5,r7c6r8c6|0,r7c7r8c7|0,r7c8r8c8", "solution": "751236948843719652692485371539821764418657239267943815184372596975168423326594187", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13327, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13328, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2016-09-21", "puzzle": "9,r0c0r0c1|0,r0c2r0c3|11,r1c1r1c2r1c3|17,r0c4r0c5r0c6r1c4|13,r1c5r1c6|4,r0c7r1c7|0,r0c8r1c8|0,r1c0r2c0|0,r2c1r2c2|0,r2c3r2c4|0,r2c5r2c6r3c5|0,r2c7r2c8|0,r3c0r3c1r4c1|0,r3c3r3c4r4c4r5c4r5c5|0,r3c6r3c7|8,r4c0r5c0|13,r3c2r4c2r4c3|0,r4c5r4c6r5c6|0,r3c8r4c8|10,r5c1r5c2|0,r4c7r5c7r5c8|0,r6c0r6c1|23,r5c3r6c2r6c3|6,r6c4r6c5|5,r6c6r6c7|0,r6c8r7c8|13,r7c0r8c0|4,r7c1r8c1|7,r7c2r7c3|21,r7c4r8c2r8c3r8c4|0,r7c5r7c6r7c7|10,r8c5r8c6|0,r8c7r8c8", "solution": "456932718928157634173468259287394561391576842564821973849615327715283496632749185", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13328, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13329, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-09-22", "puzzle": "13,r0c0r0c1|10,r0c4r1c4r2c4|8,r0c7r0c8|7,r1c0r1c1|11,r0c2r1c2|15,r0c3r1c3|10,r0c5r1c5|5,r0c6r1c6|14,r1c7r1c8|21,r2c2r2c3r3c2|11,r2c5r2c6r3c6|11,r2c0r3c0|7,r2c1r3c1|18,r3c3r3c4r3c5|9,r2c7r3c7|10,r2c8r3c8|3,r4c0r4c1|12,r4c3r4c4r4c5|16,r4c7r4c8|18,r4c2r5c1r5c2|15,r5c3r5c4r5c5|14,r4c6r5c6r5c7|13,r5c0r6c0|13,r6c1r6c2r7c2|7,r6c4r7c4|20,r6c6r6c7r7c6|7,r5c8r6c8|15,r7c0r7c1|5,r6c3r7c3|15,r6c5r7c5|7,r7c7r7c8|12,r8c0r8c1r8c2|18,r8c3r8c4r8c5|15,r8c6r8c7r8c8", "solution": "943856271168724359725931468457189632216543897839672514581267943694318725372495186", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13329, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13330, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-09-22", "puzzle": 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"22,r0c1r0c2r1c1|14,r0c3r0c4r1c4|6,r0c7r0c8|7,r0c0r1c0|11,r1c2r1c3|29,r0c5r1c5r2c5r3c5r3c6r4c5|9,r0c6r1c6r2c6|5,r2c1r3c1|5,r2c2r2c3|15,r1c7r2c7|15,r1c8r2c8|14,r2c0r3c0r4c0|24,r2c4r3c4r4c4r5c4r6c4|13,r3c7r3c8|22,r3c2r3c3r4c1r4c2|26,r4c6r4c7r5c5r5c6|13,r5c0r5c1|10,r4c8r5c8r6c8|7,r6c0r7c0|8,r6c1r7c1|9,r6c5r6c6|9,r5c7r6c7|16,r6c2r7c2r8c2|33,r4c3r5c2r5c3r6c3r7c3r8c3|15,r7c5r7c6|10,r7c8r8c8|14,r8c0r8c1|17,r7c4r8c4r8c5|7,r7c7r8c6r8c7", "solution": "658379142193842576724165389231794658586213794947658231472931865315486927869527413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13370, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13371, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-09-30", "puzzle": 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"17,r0c3r0c4r0c5|4,r0c0r1c0|13,r0c1r1c1|15,r0c2r1c2|12,r1c3r1c4r1c5|12,r0c6r1c6|11,r0c7r1c7|6,r0c8r1c8|17,r2c1r2c2r3c1|11,r2c6r2c7r3c7|10,r2c0r3c0|7,r2c3r3c3|4,r2c5r3c5|16,r2c8r3c8|14,r4c0r4c1r5c1|17,r3c2r4c2r4c3|20,r2c4r3c4r4c4|23,r3c6r4c5r4c6|10,r4c7r4c8r5c7|5,r5c2r5c3|9,r5c5r5c6|12,r5c0r6c0|10,r6c1r6c2|5,r5c4r6c4|13,r6c6r6c7|14,r5c8r6c8|21,r7c0r7c1r7c2|21,r6c3r7c3r8c3|12,r7c4r8c4|11,r6c5r7c5r8c5|9,r7c6r7c7r7c8|9,r8c0r8c1r8c2|15,r8c6r8c7r8c8", "solution": "189467532356129784274583619863251947415976823792348156537612498948735261621894375", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13419, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13420, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-10-10", "puzzle": 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"0,r0c2r0c3r0c4|0,r0c5r0c6|0,r0c0r0c1r1c0|12,r1c1r1c2r2c1r2c2|9,r1c3r1c4|18,r1c5r1c6r2c5r2c6|0,r0c7r1c7|15,r0c8r1c8|0,r2c0r3c0r4c0|0,r2c3r2c4r3c2r3c3r4c2|7,r3c5r3c6|12,r2c7r3c7|13,r2c8r3c8|9,r3c1r4c1|0,r3c4r4c3r4c4r4c5r5c4|16,r4c6r4c7|6,r4c8r5c8r6c8|0,r5c0r6c0|0,r5c1r5c2r6c1r6c2|0,r5c3r6c3|0,r5c5r5c6r6c5r6c6|0,r5c7r6c7|0,r7c0r7c1|0,r7c2r7c3|13,r6c4r7c4|0,r7c5r7c6|15,r8c0r8c1|4,r8c2r8c3|20,r8c4r8c5r8c6|0,r7c7r7c8r8c7r8c8", "solution": "379815246854726139612943875167294358435681792298537461946172583523468917781359624", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13423, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13424, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2016-10-11", "puzzle": "13,r0c0r0c1|4,r0c3r0c4|11,r0c7r0c8|5,r1c0r1c1|11,r0c2r1c2|13,r0c5r1c5|13,r0c6r1c6|9,r1c7r1c8|10,r2c1r2c2|14,r1c3r2c3|12,r1c4r2c4|9,r2c7r3c7|19,r2c0r3c0r4c0|15,r3c3r3c4|10,r2c5r2c6r3c5|7,r2c8r3c8|15,r3c1r3c2r4c1|13,r4c2r5c2|6,r4c3r4c4r4c5|6,r3c6r4c6|15,r4c7r5c6r5c7|3,r5c0r6c0|11,r5c3r6c2r6c3|15,r5c4r5c5|22,r4c8r5c8r6c8|12,r5c1r6c1|6,r6c4r7c4|15,r6c5r7c5|11,r6c6r6c7|12,r7c0r7c1|4,r7c2r8c2|14,r7c3r8c3|13,r7c6r8c6|7,r7c7r7c8|12,r8c0r8c1|9,r8c4r8c5|9,r8c7r8c8", "solution": "587314692324659781619872354962785143478231569135496278296147835753928416841563927", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13424, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13425, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2016-10-11", "puzzle": 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"8,r0c0r0c1|11,r0c2r0c3r0c4|13,r0c5r0c6r1c5|25,r0c7r0c8r1c8r2c8r3c8|9,r1c6r1c7|17,r1c0r2c0|35,r1c1r1c2r1c3r1c4r2c1r3c1r4c1|17,r2c2r2c3r3c3r4c3|21,r2c5r2c6r2c7r3c5|12,r3c6r3c7|6,r3c0r4c0|6,r3c2r4c2|32,r2c4r3c4r4c4r5c4r6c4|5,r4c6r5c6|17,r4c8r5c8|15,r5c1r5c2|16,r5c3r6c1r6c2r6c3|21,r4c5r5c5r6c5r6c6|29,r4c7r5c7r6c7r7c4r7c5r7c6r7c7|11,r6c8r7c8|13,r7c1r7c2|21,r5c0r6c0r7c0r8c0r8c1|21,r7c3r8c2r8c3|20,r8c4r8c5r8c6|4,r8c7r8c8", "solution": "352816497976453182814972653291368574435197268687524319763281945149735826528649731", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13426, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13427, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2016-10-11", "puzzle": "0,r0c0r0c1|0,r0c2r0c3r0c4r0c5|0,r1c0r1c1r1c2r2c0r3c0|15,r0c6r1c6|0,r0c7r1c7|4,r0c8r1c8|19,r2c1r2c2r3c1|7,r1c3r2c3|0,r1c4r2c4|0,r1c5r2c5|0,r2c6r2c7r3c7|10,r3c2r3c3|0,r2c8r3c8|13,r4c0r4c1|7,r4c2r5c2|11,r4c3r5c3|15,r3c4r4c4r5c4|0,r3c5r4c5|0,r3c6r4c6|12,r4c7r4c8|9,r5c0r6c0|0,r5c5r5c6|19,r5c1r6c1r6c2|12,r6c3r7c3|11,r6c4r7c4|5,r6c5r7c5|6,r5c7r6c6r6c7|12,r7c0r8c0|5,r7c1r8c1|0,r7c2r8c2|0,r5c8r6c8r7c6r7c7r7c8|22,r8c3r8c4r8c5r8c6|11,r8c7r8c8", "solution": "435682791261479853798315246529143687674258139183967425856794312347521968912836574", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13427, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13429, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-10-12", "puzzle": "12,r0c3r0c4|20,r0c6r0c7r0c8|8,r0c0r0c1r1c0|21,r0c2r1c1r1c2|10,r1c3r1c4|5,r0c5r1c5|13,r1c7r1c8r2c8|12,r2c0r2c1|11,r2c3r2c4|9,r1c6r2c6r3c6|10,r3c0r3c1r4c0|10,r2c2r3c2|24,r2c5r3c4r3c5|13,r2c7r3c7r3c8|17,r4c1r4c2r5c2|16,r3c3r4c3r5c3|6,r4c4r4c5r5c4|18,r4c6r4c7r4c8|12,r5c0r5c1|8,r6c2r6c3r6c4|17,r5c5r5c6r6c5|18,r5c7r5c8r6c8|16,r6c0r6c1r7c0|10,r7c1r7c2|20,r7c3r7c4r7c5|6,r7c6r8c6|13,r6c6r6c7r7c7|13,r8c0r8c1|4,r8c2r8c3|15,r8c4r8c5|18,r7c8r8c7r8c8", "solution": "127843659568192374934657182716489523259731846843526791675214938382965417491378265", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13429, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13430, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2016-10-12", "puzzle": "17,r0c0r0c1|5,r0c2r0c3|15,r1c2r1c3|13,r0c4r0c5r1c4|24,r0c6r1c6r2c6r2c7r2c8|21,r0c7r0c8r1c7r1c8|7,r1c0r2c0|11,r1c1r2c1r2c2|22,r1c5r2c3r2c4r2c5|15,r3c1r3c2|25,r3c3r3c4r3c5r4c5r5c5|23,r3c6r3c7r4c6r5c6|12,r3c0r4c0|15,r3c8r4c7r4c8|12,r4c1r5c0r5c1|21,r5c2r5c3r6c2r6c3|22,r4c2r4c3r4c4r5c4r6c4|11,r5c7r6c7|9,r5c8r6c8|9,r6c0r6c1|11,r6c5r7c5|11,r7c2r8c2|12,r7c3r7c4r8c3|17,r6c6r7c6r7c7|4,r7c8r8c8|16,r7c0r7c1r8c0r8c1|14,r8c4r8c5|11,r8c6r8c7", "solution": "893257146567814329241693875378925614952461738614378952189532467726149583435786291", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13430, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13431, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-10-12", "puzzle": 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"14,r0c1r0c2|8,r0c5r0c6|24,r0c0r1c0r1c1r1c2|0,r0c3r1c3r2c3|0,r0c4r1c4r1c5r2c5|0,r0c7r0c8r1c7r1c8|3,r2c0r2c1|0,r1c6r2c6|0,r2c7r2c8|12,r2c2r3c2|14,r2c4r3c4|14,r3c0r4c0r5c0|15,r3c1r4c1r5c1|14,r4c2r5c2r5c3|0,r3c3r4c3r4c4r4c5r5c5|20,r3c5r3c6r4c6|12,r3c7r4c7r5c7|0,r3c8r4c8r5c8|13,r5c4r6c4|4,r5c6r6c6|11,r6c0r6c1|7,r6c2r7c2|10,r6c7r6c8|21,r7c0r7c1r8c0r8c1|26,r6c3r7c3r7c4r8c4|0,r6c5r7c5r8c5|24,r7c6r7c7r7c8r8c8|0,r8c2r8c3|0,r8c6r8c7", "solution": "759836241863214975214597863348159627697342518521678394475963182932781456186425739", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13432, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13433, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2016-10-12", "puzzle": 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"12,r0c0r0c1r1c0|17,r0c3r0c4r1c3|15,r0c6r0c7r0c8|20,r0c2r1c1r1c2|17,r0c5r1c4r1c5|5,r1c6r1c7|10,r1c8r2c8|13,r2c0r2c1r2c2|9,r2c3r2c4|11,r3c0r3c1|8,r3c2r3c3|11,r2c5r3c5|21,r2c6r2c7r3c6|10,r3c7r3c8|10,r4c0r4c1|13,r4c2r4c3|12,r3c4r4c4r5c4|13,r4c5r4c6|6,r4c7r4c8|6,r5c0r5c1|11,r5c2r5c3|11,r5c5r6c5|18,r5c6r6c6r6c7|7,r5c7r5c8|16,r6c0r6c1r6c2|5,r6c3r6c4|15,r7c1r7c2r8c2|18,r7c4r7c5r8c5|7,r7c6r7c7|9,r6c8r7c8|14,r7c0r8c0r8c1|17,r7c3r8c3r8c4|18,r8c6r8c7r8c8", "solution": "428367159675891324931452876743519682286734915159286743367145298592678431814923567", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13439, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13440, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-10-14", "puzzle": 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"20,r0c0r0c1r1c1|16,r0c7r0c8r1c7|9,r0c2r0c3r1c2|33,r0c4r1c3r1c4r1c5r2c3r2c4r2c5|23,r0c5r0c6r1c6|18,r1c0r2c0r3c0|8,r1c8r2c8r3c8|16,r2c1r2c2r3c1r3c2|19,r2c6r2c7r3c6r3c7|10,r4c0r4c1|17,r3c3r4c3|20,r3c4r4c4r5c4r6c4|10,r3c5r4c5|8,r4c7r4c8|29,r4c2r5c1r5c2r5c3r6c3r7c3|34,r4c6r5c5r5c6r5c7r6c5r7c5|5,r6c1r6c2|6,r6c6r6c7|19,r5c0r6c0r7c0r7c1|26,r5c8r6c8r7c7r7c8|23,r7c2r8c0r8c1r8c2|18,r7c4r8c3r8c4r8c5|18,r7c6r8c6r8c7r8c8", "solution": "874319652352746891916582734645927183197853426238461975423678519769135248581294367", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13441, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13442, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2016-10-14", "puzzle": "6,r0c0r0c1|0,r0c5r0c6|11,r1c0r1c1|8,r0c2r1c2|28,r0c3r0c4r1c3r2c3r3c3|0,r0c7r1c6r1c7r2c7|12,r0c8r1c8r2c8|13,r2c1r2c2|9,r1c4r2c4|0,r1c5r2c5r2c6|15,r2c0r3c0r4c0|9,r3c1r3c2|0,r3c5r3c6|23,r4c1r4c2r5c0r5c1|17,r3c4r4c3r4c4r4c5r5c4|25,r3c7r3c8r4c6r4c7|12,r5c2r5c3|0,r5c6r5c7|18,r4c8r5c8r6c8|11,r6c2r6c3r7c3|6,r6c4r7c4|17,r6c6r6c7|0,r6c0r7c0r8c0|21,r6c1r7c1r7c2r8c1|32,r5c5r6c5r7c5r8c4r8c5|0,r7c6r8c6|11,r7c7r7c8|0,r8c2r8c3|0,r8c7r8c8", "solution": "516974832832516749749382561281439675673251498495768123154623987928147356367895214", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13442, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13443, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2016-10-14", "puzzle": "18,r0c0r0c1r0c2r0c3|14,r0c4r0c5r1c5|6,r1c1r1c2r1c3|0,r0c6r0c7r1c6|0,r0c8r1c7r1c8r2c8|24,r1c0r2c0r2c1|0,r1c4r2c3r2c4|10,r2c2r3c2r3c3|0,r2c5r3c5|0,r2c6r3c6|0,r2c7r3c7|8,r3c8r4c8|13,r3c0r4c0|19,r3c1r4c1r4c2|0,r3c4r4c3r4c4|11,r4c5r4c6|0,r5c0r5c1r5c2|17,r5c5r5c6|0,r4c7r5c7|0,r5c3r5c4r6c3|16,r6c5r6c6r7c5r7c6|12,r5c8r6c8|0,r6c0r7c0|16,r6c1r7c1|0,r6c2r7c2r8c2|8,r6c4r7c4|0,r6c7r7c7r7c8r8c8|0,r8c0r8c1|17,r7c3r8c3|0,r8c4r8c5r8c6r8c7", "solution": "435672198912385674786419325863194752549723816127568943674231589291856437358947261", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13443, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13444, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2016-10-15", "puzzle": "8,r0c0r0c1|13,r0c2r0c3|13,r0c5r0c6|22,r1c0r1c1r2c0|8,r1c2r1c3|6,r0c4r1c4|7,r0c7r1c7|10,r0c8r1c8|8,r2c1r2c2|11,r2c3r3c3|7,r1c5r2c5|11,r1c6r2c6|12,r2c4r3c4|9,r3c5r3c6|7,r2c7r3c7|14,r2c8r3c8|7,r3c0r4c0|11,r3c1r4c1|6,r3c2r4c2|14,r4c3r4c4r4c5|9,r4c6r5c6|14,r4c7r5c7|6,r4c8r5c8|9,r5c0r6c0|10,r5c1r6c1|10,r5c2r5c3|17,r5c4r6c4|16,r6c2r7c2|8,r6c3r7c3|7,r5c5r6c5|13,r6c6r6c7|8,r7c0r8c0|9,r7c1r8c1|4,r7c4r8c4|8,r7c5r7c6|22,r6c8r7c7r7c8|15,r8c2r8c3|13,r8c5r8c6|3,r8c7r8c8", "solution": "714928563983546217562371948491852736325167894876493152139284675247615389658739421", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13444, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13445, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2016-10-15", "puzzle": 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"8,r0c1r0c2|17,r0c0r1c0r2c0|18,r1c1r1c2r2c2|11,r0c3r1c3|16,r0c4r0c5r1c4|7,r0c6r1c5r1c6|11,r0c7r1c7|12,r0c8r1c8r2c8|12,r2c3r2c4|21,r2c5r2c6r2c7|13,r3c0r4c0r4c1|8,r2c1r3c1|7,r3c2r3c3r3c4|8,r3c6r3c7|20,r4c2r4c3r4c4|16,r3c5r4c5|10,r4c6r4c7|18,r3c8r4c8r5c8|21,r5c0r5c1r6c1|7,r5c2r5c3|7,r5c4r5c5|6,r6c3r6c4r7c4|21,r5c6r6c5r6c6|11,r5c7r6c7|13,r6c0r7c0r8c0|8,r6c2r7c1r7c2|10,r7c6r7c7|15,r6c8r7c8r8c8|17,r8c1r8c2|13,r7c3r8c3|20,r7c5r8c4r8c5|3,r8c6r8c7", "solution": "753891462948362157126754983864217539237589641591643728472136895615928374389475216", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13494, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13496, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2016-10-25", "puzzle": 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"13,r0c0r0c1r1c0|12,r0c2r0c3r0c4|16,r0c7r0c8|16,r1c1r1c2|12,r1c3r1c4|13,r0c5r0c6r1c5|3,r1c7r1c8|10,r2c1r2c2r3c1|18,r2c3r2c4r2c5|8,r1c6r2c6|11,r3c2r3c3|8,r3c5r3c6|23,r2c7r2c8r3c7|13,r2c0r3c0r4c0|22,r3c4r4c3r4c4|5,r4c5r4c6|15,r3c8r4c8r5c8|14,r4c1r5c1|16,r4c2r5c2r6c2|15,r5c4r5c5r5c6|7,r4c7r5c7|12,r5c0r6c0r7c0|7,r5c3r6c3r6c4|17,r6c5r6c6|10,r6c7r6c8|4,r6c1r7c1|14,r7c3r7c4|7,r7c7r7c8|16,r8c0r8c1|12,r7c2r8c2|9,r8c3r8c4|8,r7c5r8c5|10,r7c6r8c6|9,r8c7r8c8", "solution": "826513479397486512541729386153872694782694153469135728615248937234957861978361245", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13504, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13502, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2016-10-26", "puzzle": "0,r0c1r0c2|0,r0c6r0c7|0,r0c0r1c0|0,r1c1r1c2|0,r0c3r1c3|11,r0c4r1c4|6,r0c5r1c5|10,r1c6r1c7|6,r0c8r1c8|0,r2c0r2c1|18,r2c3r2c4r2c5|11,r2c7r2c8|14,r3c0r3c1|0,r2c2r3c2|6,r2c6r3c6|0,r3c7r3c8|8,r4c0r4c1r5c1|0,r3c3r4c3|4,r3c4r4c4|12,r3c5r4c5|12,r4c7r4c8r5c7|13,r4c2r5c2|0,r4c6r5c6|0,r5c0r6c0|31,r5c3r5c4r5c5r6c3r6c4r6c5|15,r5c8r6c8|0,r6c1r7c0r7c1r8c0|11,r6c2r7c2|10,r6c6r7c6|0,r6c7r7c7r7c8r8c8|10,r8c1r8c2|34,r7c3r7c4r7c5r8c3r8c4r8c5|3,r8c6r8c7", "solution": "731625984658491732942387165867234591529718346314569827296173458185942673473856219", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13502, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13500, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-10-26", "puzzle": 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"18,r0c0r0c1r1c1|3,r0c4r0c5|17,r0c7r0c8|16,r0c2r0c3r1c2|17,r1c3r1c4r2c4|14,r0c6r1c6r1c7|8,r1c0r2c0|9,r2c1r2c2|12,r1c5r2c5|10,r2c6r2c7|4,r1c8r2c8|12,r3c0r3c1r3c2|10,r2c3r3c3|13,r3c4r3c5|8,r3c6r3c7|9,r4c0r4c1|12,r4c2r4c3r4c4|17,r4c5r4c6r4c7|20,r3c8r4c8r5c8|22,r5c0r5c1r5c2|11,r5c3r6c3|13,r5c4r5c5|4,r5c6r5c7|11,r6c0r7c0|7,r6c1r6c2|15,r6c5r7c5|7,r6c6r6c7|8,r6c8r7c8|18,r7c2r8c2r8c3|12,r6c4r7c3r7c4|18,r7c6r7c7r8c6|13,r7c1r8c0r8c1|5,r8c4r8c5|12,r8c7r8c8", "solution": "543621798697843251281759463174385629362194587859276134725918346438567912916432875", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13509, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13510, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-10-28", "puzzle": "15,r0c3r0c4r0c5|10,r0c6r0c7r1c7|33,r0c0r0c1r1c0r1c1r2c0r2c1|10,r0c2r1c2|25,r1c3r1c4r1c5r1c6|8,r0c8r1c8|3,r2c2r2c3|7,r2c5r2c6|10,r3c3r4c3|29,r2c4r3c4r4c4r5c4r6c4|11,r3c5r3c6|12,r2c7r3c7|15,r2c8r3c8|8,r3c0r3c1r4c0|14,r3c2r4c1r4c2|12,r4c6r4c7r5c6|14,r4c8r5c7r5c8|10,r5c0r6c0|16,r5c1r6c1|10,r5c2r5c3|11,r4c5r5c5|14,r6c2r6c3|6,r6c5r6c6|14,r7c0r8c0|18,r7c2r7c3r7c4r7c5|8,r7c6r8c6|32,r6c7r6c8r7c7r7c8r8c7r8c8|10,r7c1r8c1r8c2|20,r8c3r8c4r8c5", "solution": "789564231341928657652173489135782946427396815896415372278641593514239768963857124", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13510, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13514, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2016-10-29", "puzzle": "16,r0c2r0c3|7,r0c5r0c6|6,r0c7r0c8|8,r0c0r1c0|10,r0c1r1c1|17,r1c2r1c3|14,r0c4r1c4r2c4|5,r1c5r1c6|18,r1c7r1c8r2c7|10,r2c0r2c1|3,r2c2r2c3|16,r2c5r2c6|12,r3c1r3c2r3c3|8,r2c8r3c8|20,r3c0r4c0r4c1|13,r4c2r5c1r5c2|8,r4c3r5c3|20,r3c4r4c4r5c4|8,r3c5r4c5|19,r3c6r3c7r4c6|10,r4c7r4c8r5c8|8,r5c0r6c0|21,r5c5r5c6r5c7|9,r6c2r6c3|12,r6c5r6c6|10,r6c7r6c8|9,r6c1r7c0r7c1|10,r7c2r7c3|11,r6c4r7c4r8c4|8,r7c5r7c6|8,r7c7r8c7|15,r7c8r8c8|17,r8c0r8c1|10,r8c2r8c3|9,r8c5r8c6", "solution": "387951642529864137641237985456172893978346251132598764765419328214683579893725416", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13514, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13512, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2016-10-28", "puzzle": "6,r0c2r0c3|0,r0c4r0c5|0,r0c0r1c0|18,r0c1r1c1r1c2r2c2|28,r1c3r1c4r1c5r2c3r2c4|10,r0c6r1c6|14,r0c7r0c8r1c7r1c8|0,r2c5r2c6r3c6|13,r2c7r2c8|17,r2c0r3c0|11,r2c1r3c1|24,r3c3r3c4r3c5r4c5r5c5|7,r3c8r4c8|0,r3c2r4c2|15,r4c3r4c4r5c4|0,r3c7r4c6r4c7r5c6r5c7|11,r4c0r5c0|3,r4c1r5c1|0,r5c8r6c8|24,r6c0r6c1r7c1r7c2r8c2|27,r5c2r5c3r6c2r6c3|0,r6c4r6c5|0,r7c3r7c4|0,r7c5r7c6|0,r6c6r6c7r7c7r7c8|14,r7c0r8c0r8c1|13,r8c3r8c4|8,r8c5r8c6|12,r8c7r8c8", "solution": "735186942268479135941352867873291456624835791519647328387524619456918273192763584", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13512, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13513, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-10-28", "puzzle": 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"17,r0c0r0c1r1c0|17,r0c2r0c3r0c4|10,r0c6r0c7|13,r1c3r1c4|8,r0c5r1c5|9,r0c8r1c8|15,r1c1r1c2r2c1r2c2|8,r2c3r2c4|14,r1c6r2c6|8,r1c7r2c7|13,r2c0r3c0r4c0|18,r3c3r3c4r4c3r4c4|27,r2c5r3c5r3c6r3c7|12,r2c8r3c8|7,r3c1r4c1|11,r3c2r4c2|13,r5c0r5c1|21,r5c2r5c3r6c3r7c3|20,r4c5r5c4r5c5|3,r4c6r5c6|10,r4c7r5c7|8,r4c8r5c8|13,r6c1r6c2|9,r6c4r6c5|9,r6c6r6c7r7c6|11,r6c0r7c0|13,r7c1r7c2|5,r7c4r7c5|4,r8c0r8c1|12,r8c2r8c3|11,r8c4r8c5|36,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "456387912823941657791625834132456798549278163678139245985763421267514389314892576", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13515, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13511, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-10-28", "puzzle": 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"13,r0c5r0c6|22,r0c0r1c0r2c0|16,r0c1r1c1r2c1r2c2r2c3|8,r0c2r1c2|12,r0c3r0c4r1c3|6,r0c7r1c7|9,r0c8r1c8|26,r1c4r1c5r1c6r2c4|23,r2c5r2c6r2c7r2c8|7,r3c0r3c1|17,r3c4r4c4r5c4|10,r3c5r3c6|21,r4c0r4c1r5c0r5c1|8,r3c2r4c2|11,r3c3r4c3|9,r4c5r5c5|9,r4c6r5c6|24,r3c7r3c8r4c7r4c8|14,r5c2r5c3|5,r5c7r5c8|26,r6c0r6c1r6c2r6c3|21,r6c4r7c2r7c3r7c4|4,r7c0r8c0|14,r7c1r8c1|9,r7c5r8c4r8c5|11,r7c6r8c6|23,r6c5r6c6r6c7r7c7r8c7|15,r6c8r7c8r8c8|12,r8c2r8c3", "solution": "937645812841239657562187349615423798423798561789561423278954136156372984394816275", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13540, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13539, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2016-11-03", "puzzle": "11,r0c1r0c2|7,r0c5r0c6|11,r0c0r1c0|15,r0c3r0c4r1c3|5,r1c4r1c5|7,r0c7r1c7|24,r0c8r1c8r2c8|12,r1c1r2c0r2c1|18,r1c2r2c2r2c3|14,r2c4r2c5|5,r1c6r2c6|3,r3c0r3c1|13,r3c2r3c3|12,r3c5r3c6|23,r2c7r3c7r4c7|9,r4c0r5c0|11,r4c2r4c3|17,r3c4r4c4r5c4|8,r4c5r4c6|4,r3c8r4c8|21,r4c1r5c1r6c1|13,r5c2r5c3|3,r5c5r5c6|11,r5c7r5c8|9,r6c2r7c2|6,r6c3r6c4|21,r6c5r6c6r7c6|7,r6c7r6c8r7c7|22,r6c0r7c0r8c0|6,r7c1r8c1|7,r7c3r7c4|24,r7c5r8c4r8c5|11,r7c8r8c8|3,r8c2r8c3|12,r8c6r8c7", "solution": "765814329489623157132795468214967583357482691698531274973156842826349715541278936", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13539, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13541, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-11-03", "puzzle": "10,r0c2r0c3|12,r0c4r0c5|5,r0c6r0c7|16,r0c0r0c1r1c0r1c1|11,r1c5r1c6|13,r0c8r1c8|26,r1c2r2c1r2c2r2c3r3c2|14,r1c3r1c4r2c4|13,r2c5r2c6|5,r1c7r2c7|11,r2c0r3c0|24,r3c6r3c7r4c7r4c8|13,r2c8r3c8|15,r3c1r4c1r4c2|25,r3c3r3c4r3c5r4c3r4c4r5c3|9,r4c5r4c6|14,r4c0r5c0|16,r5c5r5c6r6c5r6c6|12,r5c1r6c1|9,r5c2r6c2|13,r5c4r6c4|16,r5c7r5c8r6c7|12,r6c0r7c0|6,r7c1r7c2|20,r6c3r7c3r7c4r8c4|12,r7c5r7c6r8c5|8,r8c0r8c1|12,r8c2r8c3|33,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "579148326138926547426735819753612984891473652642589173987354261315267498264891735", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13541, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13542, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2016-11-03", "puzzle": 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"22,r0c0r0c1r0c2|8,r0c3r0c4|3,r0c5r0c6|14,r1c0r1c1r2c1|8,r1c5r1c6|22,r0c7r1c7r2c7|13,r0c8r1c8r2c8|8,r1c2r2c2|10,r1c3r2c3|24,r1c4r2c4r2c5|8,r2c0r3c0r3c1|8,r3c4r3c5|16,r2c6r3c6r3c7|16,r3c8r4c8|4,r4c0r4c1|12,r3c2r4c2|12,r3c3r4c3|12,r4c4r4c5r5c4|9,r4c6r4c7|16,r5c1r5c2|3,r5c7r5c8|15,r5c0r6c0|8,r6c1r6c2|10,r5c3r6c3|20,r6c4r7c4r8c4|9,r5c5r6c5|9,r5c6r6c6|8,r7c0r7c1|13,r7c2r7c3|8,r6c7r7c6r7c7|10,r6c8r7c8|12,r8c0r8c1|3,r8c2r8c3|20,r7c5r8c5r8c6|12,r8c7r8c8", "solution": "769532184425681793183479256254317869318926547697845321971254638536798412842163975", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13549, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13550, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2016-11-05", "puzzle": 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"20,r0c3r0c4r0c5|19,r0c0r1c0r2c0r3c0|9,r0c1r1c1|13,r0c2r1c2|13,r1c3r1c4r1c5|13,r0c6r1c6|8,r0c7r1c7|27,r0c8r1c8r2c8r3c8|14,r2c1r2c2r3c1|12,r2c3r2c4r2c5|12,r2c6r2c7r3c7|9,r3c2r3c3|5,r3c5r3c6|12,r4c0r4c1|4,r4c2r4c3|16,r3c4r4c4r5c4|11,r4c5r4c6|11,r4c7r4c8|31,r5c0r5c1r6c0r6c1r7c0|3,r5c2r6c2|14,r5c3r6c3r7c3|16,r5c5r6c5r7c5|10,r5c6r6c6|19,r5c7r5c8r6c7r6c8r7c8|14,r7c1r7c2|18,r6c4r7c4r8c4|8,r7c6r7c7|18,r8c0r8c1r8c2r8c3|26,r8c5r8c6r8c7r8c8", "solution": "174956823329841567658327149915462378843179256762538491491785632586293714237614985", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13551, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13554, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-11-06", "puzzle": "8,r0c0r0c1|11,r0c3r0c4r0c5|22,r0c6r0c7r0c8|15,r1c0r1c1|7,r0c2r1c2|11,r1c5r1c6|10,r2c1r2c2|21,r1c3r1c4r2c3|8,r2c4r2c5|11,r2c6r3c6|10,r1c7r1c8r2c7|13,r2c0r3c0r4c0|11,r3c4r3c5|15,r2c8r3c7r3c8|15,r3c1r4c1r5c1|20,r3c2r4c2r5c2|5,r3c3r4c3|13,r4c4r4c5|5,r5c0r6c0|16,r5c3r5c4r5c5|10,r4c6r4c7r5c6|20,r4c8r5c8r6c8|10,r6c2r6c3r6c4|16,r5c7r6c7r7c7|20,r6c1r7c0r7c1|9,r7c3r7c4|13,r6c5r7c5|6,r6c6r7c6|8,r7c8r8c8|5,r8c0r8c1|10,r7c2r8c2|20,r8c3r8c4r8c5|11,r8c6r8c7", "solution": "624731985873495612591862374139274856746358129285619743357126498968547231412983567", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13554, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13558, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2016-11-06", "puzzle": "26,r0c0r0c1r0c2r1c0r2c0|6,r0c3r1c3|18,r0c4r1c4r2c4|6,r0c5r1c5|27,r0c6r0c7r0c8r1c6|0,r1c7r1c8|12,r1c1r1c2r2c1|0,r2c6r2c7|10,r3c0r3c1|0,r2c2r2c3r3c2r3c3|0,r2c5r3c4r3c5|0,r2c8r3c8|0,r4c0r4c1r4c2|26,r4c4r4c5r5c4r5c5|9,r3c6r4c6|0,r3c7r4c7|0,r5c0r5c1|0,r4c3r5c2r5c3|0,r5c6r5c7|0,r4c8r5c8r6c8|26,r6c0r6c1r7c0r8c0|0,r6c2r7c2|4,r6c3r6c4|12,r7c3r7c4|8,r6c5r7c5|22,r6c6r6c7r7c6|0,r7c7r7c8r8c7r8c8|0,r7c1r8c1|0,r8c2r8c3|14,r8c4r8c5r8c6", "solution": "843271596916485723257639481378524169165793842492168357589312674721846935634957218", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13558, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13556, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2016-11-06", "puzzle": "3,r0c3r0c4|13,r0c0r1c0|15,r0c1r0c2r1c1|19,r1c2r1c3r1c4|11,r0c5r1c5|21,r0c6r0c7r0c8r1c6|16,r2c2r2c3r3c3|13,r1c7r2c7r3c7|20,r1c8r2c8r3c8|28,r2c0r2c1r3c0r3c1r3c2|17,r2c4r2c5r2c6r3c4|4,r4c0r4c1|19,r4c2r4c3r4c4r4c5|15,r4c7r4c8|23,r5c0r5c1r5c2r6c0r6c1|27,r5c4r6c4r6c5r6c6|25,r3c5r3c6r4c6r5c5r5c6|15,r5c3r6c2r6c3|12,r5c7r6c7r7c7|11,r5c8r6c8r7c8|13,r7c0r8c0|17,r7c1r8c1r8c2|8,r7c2r7c3r7c4|8,r7c5r8c5|19,r7c6r8c6r8c7r8c8|13,r8c3r8c4", "solution": "695213487714968253823754169549671328138425796267839514356197842981342675472586931", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13556, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13557, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2016-11-06", "puzzle": 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"18,r0c1r0c2r1c1|11,r0c3r0c4|11,r0c7r0c8|10,r0c0r1c0|16,r1c3r1c4r2c3|14,r0c5r0c6r1c5|7,r1c6r1c7|14,r1c2r2c1r2c2|5,r2c5r2c6|21,r1c8r2c7r2c8|14,r2c0r3c0r3c1|13,r3c2r3c3|8,r2c4r3c4|21,r3c5r3c6r4c6|6,r3c7r4c7|10,r4c0r4c1r4c2|13,r3c8r4c8|11,r4c3r5c3|8,r4c4r5c4|12,r4c5r5c5|5,r5c6r5c7|12,r5c0r6c0|13,r5c1r5c2r6c1|12,r6c3r6c4r6c5|20,r6c6r6c7r7c7|15,r5c8r6c8r7c8|9,r7c0r7c1|18,r6c2r7c2r8c2|7,r7c3r8c3|13,r7c5r7c6r8c6|9,r8c0r8c1|24,r7c4r8c4r8c5|5,r8c7r8c8", "solution": "165749283974823165382651497298536714631274859547918326723165948459382671816497532", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13584, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13583, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2016-11-11", "puzzle": 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"15,r0c2r0c3|9,r0c5r0c6|15,r0c0r0c1r1c0|11,r1c1r1c2|13,r0c4r1c4r2c4|16,r1c6r1c7|10,r0c7r0c8r1c8|10,r2c0r2c1r2c2|13,r1c3r2c3|6,r1c5r2c5|17,r2c6r2c7r2c8|11,r3c0r3c1|12,r3c3r3c4r3c5|15,r3c7r3c8|4,r3c2r4c2|19,r4c3r4c4r4c5|10,r3c6r4c6|10,r4c0r5c0|13,r4c1r5c1|14,r5c3r5c4r5c5|11,r4c7r5c7|8,r4c8r5c8|17,r6c0r6c1r7c1|21,r5c2r6c2r7c2|11,r6c3r6c4r6c5|13,r5c6r6c6r7c6|14,r6c7r6c8r7c7|10,r7c4r8c4|9,r7c0r8c0|5,r8c1r8c2|16,r7c3r8c3|8,r7c5r8c5|11,r8c6r8c7|8,r7c8r8c8", "solution": "849637251365812974172594368923156487481379625657428193536281749298743516714965832", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13704, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13701, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2016-12-05", "puzzle": 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"9,r0c4r0c5|9,r0c6r0c7|19,r0c0r1c0r2c0r3c0|28,r0c1r0c2r0c3r1c1|7,r1c4r1c5|9,r1c6r1c7|16,r0c8r1c8r2c8|12,r1c2r1c3r2c1r2c2|7,r3c1r3c2|15,r2c3r2c4r3c3|21,r3c4r4c4r4c5r5c4|26,r2c5r2c6r2c7r3c5|24,r3c7r3c8r4c8r5c7r5c8|12,r4c0r4c1|3,r4c2r4c3|21,r3c6r4c6r4c7r5c6|15,r5c1r5c2|14,r5c3r6c3r6c4|22,r5c5r6c5r6c6r6c7|23,r6c1r6c2r7c2r7c3|19,r5c0r6c0r7c0r8c0|20,r7c1r8c1r8c2r8c3|10,r7c4r7c5|12,r7c6r7c7|13,r6c8r7c8r8c8|8,r8c4r8c5|11,r8c6r8c7", "solution": "584972631972361458316458927243687519751293864869514273435729186127846395698135742", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13706, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13705, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2016-12-06", "puzzle": 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"5,r0c3r0c4|23,r0c6r0c7r0c8|34,r0c0r0c1r0c2r1c0r1c1r2c0r2c1|0,r1c3r1c4|12,r0c5r1c5|0,r1c6r1c7|0,r1c2r2c2|0,r2c5r2c6|0,r1c8r2c8|16,r3c1r4c1|0,r2c3r3c3|0,r2c4r3c4|0,r3c5r3c6|0,r2c7r3c7|0,r3c0r4c0r5c0|0,r3c2r4c2|0,r4c3r4c4r4c5|0,r4c6r5c6|11,r3c8r4c8r5c8|0,r5c1r6c1|12,r5c2r5c3|9,r5c4r6c4|0,r5c5r6c5|0,r4c7r5c7|11,r6c0r7c0|0,r6c2r6c3|0,r6c6r7c6|0,r7c1r7c2|14,r7c3r8c3|15,r7c4r7c5|35,r6c7r6c8r7c7r7c8r8c6r8c7r8c8|19,r8c0r8c1r8c2|0,r8c4r8c5", "solution": "147235968268197543953846172372451896894362751615789234729613485431578629586924317", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13708, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13710, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2016-12-07", "puzzle": "7,r0c0r0c1|11,r0c2r0c3|14,r0c7r0c8r1c8|8,r1c2r1c3|16,r0c4r1c4r2c4|15,r0c5r0c6r1c5r1c6|17,r1c0r1c1r2c0|16,r2c1r2c2|19,r1c7r2c6r2c7|10,r3c1r3c2|8,r2c3r3c3|20,r2c5r3c5r4c5|4,r3c6r3c7|10,r2c8r3c8|10,r3c0r4c0|8,r4c2r4c3|7,r3c4r4c4|15,r4c6r4c7r5c7|7,r4c1r5c1|10,r5c2r5c3|13,r5c4r5c5r6c5|25,r4c8r5c8r6c8r7c8r8c8|15,r5c0r6c0r6c1|21,r6c2r6c3r6c4r7c2|16,r5c6r6c6|25,r7c0r7c1r8c0r8c1|7,r7c4r7c5|8,r6c7r7c7|15,r7c3r8c2r8c3|10,r8c4r8c5|18,r7c6r8c6r8c7", "solution": "613892547852647193479135286928756314145329678736418925261584739387961452594273861", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13710, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13709, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2016-12-07", "puzzle": "3,r0c0r0c1|9,r0c3r0c4|23,r0c5r0c6r0c7|24,r0c2r1c1r1c2|4,r1c3r1c4|10,r1c5r1c6|11,r1c0r2c0|14,r2c5r2c6|3,r1c7r2c7|18,r0c8r1c8r2c8|13,r2c1r2c2r3c1|15,r2c3r3c3|11,r2c4r3c4|15,r3c5r3c6r3c7|21,r3c0r4c0r5c0|9,r3c2r4c1r4c2|9,r4c3r4c4|12,r4c5r4c6|15,r5c1r5c2r5c3|6,r5c4r5c5|18,r4c7r5c6r5c7|7,r3c8r4c8r5c8|20,r6c0r6c1r6c2|8,r6c4r6c5|13,r6c7r6c8|8,r6c3r7c3|15,r7c4r7c5|8,r6c6r7c6r7c7|5,r7c0r8c0|9,r7c1r8c1|11,r7c2r8c2|13,r8c3r8c4|10,r8c5r8c6r8c7|15,r7c8r8c8", "solution": "127458693598136427634729518461893752953274861872615934749362185216587349385941276", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13709, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13712, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2016-12-07", "puzzle": "0,r0c2r0c3|3,r0c5r0c6|0,r0c0r1c0|15,r0c1r1c1|0,r1c2r1c3|11,r0c4r1c4|0,r1c5r1c6|11,r0c7r1c7|0,r0c8r1c8|0,r2c0r2c1|36,r2c2r2c3r2c4r2c5r2c6r3c3r3c5|0,r2c7r2c8|0,r3c1r3c2|11,r3c6r3c7|0,r3c0r4c0|0,r4c1r4c2r4c3|6,r3c4r4c4|9,r4c5r4c6r4c7|7,r3c8r4c8|3,r5c0r5c1|18,r5c3r5c4r5c5|12,r5c7r5c8|0,r5c2r6c2|11,r5c6r6c6|15,r6c0r7c0|0,r6c1r7c1r7c2|3,r6c3r7c3|17,r6c4r7c4|13,r6c5r7c5|10,r6c7r7c6r7c7|9,r6c8r7c8|8,r8c0r8c1|20,r8c2r8c3r8c4r8c5r8c6|17,r8c7r8c8", "solution": "465371289297648531381529746576814923839752164124963875648197352953286417712435698", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13712, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13711, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2016-12-07", "puzzle": "8,r0c1r0c2|12,r0c4r0c5r1c5|28,r0c0r1c0r1c1r1c2r2c1|13,r0c7r0c8r1c7r1c8|13,r2c2r2c3|27,r0c3r1c3r1c4r2c4r2c5|32,r0c6r1c6r2c6r2c7r2c8|10,r3c1r3c2|16,r3c4r3c5r4c5|24,r3c6r4c6r4c7r5c7r5c8|19,r3c7r3c8r4c8|21,r2c0r3c0r4c0r4c1|13,r4c2r5c1r5c2|29,r3c3r4c3r4c4r5c3r5c4r5c5|10,r5c6r6c6|4,r5c0r6c0|9,r6c1r6c2r7c2|18,r6c3r6c4r7c3|6,r6c5r7c5|8,r6c8r7c8|27,r7c0r7c1r8c0r8c1|27,r7c4r8c4r8c5r8c6|11,r8c2r8c3|20,r6c7r7c6r7c7r8c7r8c8", "solution": "635819742849752316217643598491528637782436159356197284124975863963281475578364921", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13711, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13714, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2016-12-08", "puzzle": 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"14,r0c0r0c1|20,r0c3r0c4r1c3|13,r0c5r0c6r0c7|9,r1c0r1c1|9,r0c2r1c2|8,r1c4r1c5|13,r0c8r1c8|19,r2c1r2c2r2c3|10,r1c6r1c7r2c6|11,r2c7r2c8r3c7|10,r2c0r3c0|15,r2c4r2c5r3c4|12,r3c5r3c6|9,r3c8r4c8|16,r3c1r3c2r4c2|15,r3c3r4c3r4c4|15,r4c5r4c6r4c7|13,r4c0r5c0|3,r4c1r5c1|12,r5c3r5c4r6c3|20,r5c5r5c6r6c6|15,r5c7r5c8|12,r6c0r6c1|12,r5c2r6c2|7,r6c4r6c5r7c5|14,r6c7r6c8r7c7|12,r7c0r7c1|16,r7c6r8c6r8c7|6,r7c8r8c8|6,r8c0r8c1|7,r7c2r8c2|16,r7c3r7c4r8c3|16,r8c4r8c5", "solution": "862931754457826139139745628983467512615293487724158396578612943396584271241379865", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13839, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13837, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2017-01-01", "puzzle": 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"24,r0c3r0c4r0c5r1c4|14,r0c6r0c7|14,r0c0r1c0|5,r0c1r1c1|15,r0c2r1c2r2c2|13,r1c5r1c6|10,r0c8r1c7r1c8|11,r2c0r2c1|3,r1c3r2c3|14,r2c8r3c8|7,r3c0r3c1|7,r2c4r3c4|33,r2c5r3c5r4c5r5c5r6c5|9,r2c6r3c6|13,r2c7r3c7|11,r4c0r4c1|16,r3c2r4c2r5c2|24,r3c3r4c3r4c4r5c3|6,r4c6r4c7r4c8|11,r5c0r5c1|5,r5c4r6c4|6,r5c6r6c6|10,r5c7r6c7|11,r6c0r6c1|14,r6c3r7c3|13,r5c8r6c8|15,r7c0r8c0|5,r7c1r8c1|14,r6c2r7c2r8c2|10,r7c5r7c6|18,r7c7r7c8r8c8|18,r7c4r8c3r8c4r8c5|6,r8c6r8c7", "solution": "517493682942186753386257149163724895475869321298315476651948237724531968839672514", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13840, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13841, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2017-01-02", "puzzle": 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"5,r0c1r0c2|6,r0c6r0c7|17,r0c0r1c0|0,r1c1r1c2|0,r0c3r1c3|15,r0c4r1c4|0,r0c5r1c5|0,r1c6r1c7|0,r0c8r1c8|11,r2c1r2c2r2c3|0,r2c5r2c6r2c7|0,r2c0r3c0r4c0r5c0r6c0r7c0|0,r3c1r3c2|5,r2c4r3c4|0,r3c6r3c7|31,r2c8r3c8r4c8r5c8r6c8r7c8|10,r4c1r4c2|8,r3c3r4c3|0,r3c5r4c5|0,r4c6r4c7|0,r5c1r5c2r5c3|0,r4c4r5c4|0,r5c5r5c6r5c7|0,r6c2r6c3r6c4r6c5r6c6|0,r6c1r7c1|0,r7c3r7c4r7c5|8,r6c7r7c7|8,r8c0r8c1|10,r7c2r8c2|12,r8c3r8c4r8c5|15,r7c6r8c6|13,r8c7r8c8", "solution": "832974156946185723571326849724638591319257468658419237195862374487593612263741985", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13843, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13844, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2017-01-03", "puzzle": "10,r0c4r0c5|5,r0c6r0c7|12,r0c0r1c0|4,r0c1r1c1|15,r0c2r1c2|9,r0c3r1c3|12,r1c5r1c6r2c5|17,r0c8r1c7r1c8|12,r2c0r2c1|16,r1c4r2c4|7,r2c2r3c1r3c2|12,r2c3r3c3|3,r2c6r3c6|15,r2c7r3c7|9,r2c8r3c8|11,r3c0r4c0|8,r4c1r4c2|8,r4c3r5c3|15,r3c4r4c4r5c4|6,r3c5r4c5|17,r4c6r4c7|11,r4c8r5c8|9,r5c0r6c0|13,r5c1r6c1|12,r5c2r6c2|17,r5c5r6c5|12,r5c6r5c7r6c6|7,r6c4r7c4|12,r6c7r6c8|11,r7c0r7c1r8c0|21,r6c3r7c2r7c3|13,r7c5r8c5|12,r7c6r8c6|12,r7c7r8c7|3,r7c8r8c8|13,r8c1r8c2|4,r8c3r8c4", "solution": "719864325536192748482573196941785263253641987867239514175428639328956471694317852", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13844, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13845, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2017-01-03", "puzzle": "13,r0c2r0c3r1c3|8,r0c4r0c5|20,r0c6r0c7r0c8|7,r0c0r1c0|12,r0c1r1c1|4,r1c4r1c5|24,r1c2r2c1r2c2r2c3|16,r2c4r2c5|8,r1c6r2c6|11,r1c7r2c7|6,r1c8r2c8|29,r2c0r3c0r3c1r3c2r3c3|16,r4c0r4c1r5c0r5c1|15,r4c2r5c2|13,r4c3r5c3|10,r3c4r4c4r5c4|11,r3c5r4c5|12,r3c6r4c6|13,r3c7r3c8r4c7r4c8|31,r5c5r5c6r5c7r5c8r6c8|10,r6c0r7c0|13,r6c1r7c1|10,r6c2r7c2|9,r6c3r6c4|19,r6c5r6c6r6c7r7c6|8,r7c3r7c4|11,r7c7r8c7|9,r7c8r8c8|12,r8c0r8c1r8c2|10,r8c3r8c4|15,r7c5r8c5r8c6", "solution": "531826497297431685684597231725918364846753912319642758178364529962175843453289176", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13845, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13846, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2017-01-03", "puzzle": 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"10,r0c2r0c3|11,r0c4r0c5|6,r0c0r1c0|13,r0c1r1c1|5,r1c2r1c3|15,r0c6r1c6|9,r0c7r1c7|16,r0c8r1c8r2c8|10,r2c1r2c2|20,r1c4r2c3r2c4|9,r1c5r2c5|12,r2c6r2c7r3c6|19,r2c0r3c0r4c0|6,r3c3r3c4|15,r3c7r3c8|16,r3c1r4c1r5c1|13,r3c2r4c2r4c3|20,r3c5r4c4r4c5|9,r4c7r4c8r5c7|8,r5c3r5c4|6,r4c6r5c6|10,r5c8r6c8|12,r5c0r6c0|10,r5c2r6c2|7,r6c3r6c4|9,r5c5r6c5r7c5|12,r6c6r6c7|20,r6c1r7c0r7c1|22,r7c2r7c3r7c4|7,r7c6r7c7|3,r8c0r8c1|11,r8c2r8c3|18,r8c4r8c5r8c6|16,r7c8r8c7r8c8", "solution": "287356914453291687619748325831425796574869231962173458398614572745982163126537849", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13899, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13904, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2017-01-15", "puzzle": "20,r0c0r0c1r0c2|7,r0c5r0c6r0c7|7,r1c0r1c1|17,r1c2r1c3r2c2|18,r0c3r0c4r1c4|14,r1c5r1c6|16,r0c8r1c7r1c8|8,r2c0r2c1|5,r2c3r2c4|12,r2c5r2c6|11,r2c7r2c8|3,r3c3r3c4|15,r3c7r3c8|16,r3c0r4c0|12,r3c1r3c2r4c1|16,r3c5r4c5r5c5|10,r3c6r4c6r5c6|14,r4c7r4c8r5c7|23,r4c2r4c3r5c2|17,r4c4r5c3r5c4|9,r5c0r5c1r6c0|12,r6c2r6c3|11,r6c6r6c7|9,r5c8r6c8|24,r6c1r7c0r7c1|5,r7c2r7c3|18,r6c4r7c4r8c4|14,r6c5r7c5r8c5|13,r7c6r7c7r7c8|4,r8c0r8c1|7,r8c2r8c3|18,r8c6r8c7r8c8", "solution": "587632419431798652269415738943126587756983241128547396674851923892364175315279864", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13904, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13902, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2017-01-14", "puzzle": "15,r0c0r0c1r1c1|21,r0c5r0c6r0c7r0c8|8,r0c2r1c2|9,r0c3r1c3|0,r0c4r1c4|15,r1c5r2c5r3c5|11,r1c6r1c7|0,r1c0r2c0r2c1|0,r2c2r2c3|14,r1c8r2c8|17,r3c0r3c1r3c2r3c3|27,r2c4r3c4r4c3r4c4r5c4r6c4|0,r2c6r2c7r3c6r3c7|0,r4c0r4c1r4c2|4,r4c5r4c6|0,r3c8r4c7r4c8r5c8|18,r5c0r5c1r5c2r5c3|0,r5c6r5c7r6c6r6c7|19,r6c0r6c1r7c0|11,r6c2r6c3|0,r6c8r7c8|3,r7c2r8c2|0,r7c3r8c3|13,r7c4r8c4|17,r5c5r6c5r7c5|11,r7c6r7c7|14,r7c1r8c0r8c1|21,r8c5r8c6r8c7r8c8", "solution": "275194638163852479498637215914326857587941326326785941659213784831479562742568193", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13902, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13901, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2017-01-14", "puzzle": 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"0,r0c0r0c1r1c0r2c0|21,r0c3r0c4r0c5|0,r0c2r1c1r1c2|0,r1c3r1c4r1c5|12,r0c6r1c6|0,r0c7r1c7|12,r0c8r1c8|10,r2c3r2c4|0,r2c7r2c8|8,r2c1r3c1|16,r2c2r3c2|0,r3c3r3c4|0,r2c5r3c5|0,r2c6r3c6|0,r3c7r3c8r4c7r4c8|15,r3c0r4c0r5c0|15,r4c2r4c3|13,r4c5r4c6|6,r4c1r5c1|0,r4c4r5c3r5c4|0,r5c2r6c2r7c2|0,r6c3r6c4r7c3|21,r5c5r6c5r7c5|0,r5c6r5c7r6c6|0,r5c8r6c7r6c8|8,r6c0r7c0|0,r6c1r7c1|0,r7c6r7c7r7c8|11,r8c0r8c1|9,r8c2r8c3|4,r7c4r8c4|0,r8c5r8c6|16,r8c7r8c8", "solution": "671849523384625719529371864467293185218754936953186472192567348746938251835412697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13913, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13914, "game_type": "killer_sudoku", "difficulty": "1", "puzzle_date": "2017-01-17", "puzzle": "17,r0c1r0c2|7,r0c3r0c4|12,r0c8r1c8|18,r0c0r1c0r2c0|3,r1c1r1c2|17,r1c3r1c4r2c4|10,r0c5r1c5|11,r0c6r0c7r1c6|7,r2c1r2c2|8,r2c5r2c6r3c5|16,r1c7r2c7|11,r3c1r4c1|22,r2c3r3c3r3c4|11,r3c6r3c7|10,r2c8r3c8|6,r3c0r4c0|13,r3c2r4c2|14,r4c3r4c4r4c5|3,r4c6r5c6|8,r4c8r5c8|4,r5c0r6c0|14,r5c1r5c2|21,r5c4r5c5r6c5|14,r4c7r5c7|9,r6c1r7c1|7,r5c3r6c2r6c3|9,r6c6r6c7|15,r7c2r8c1r8c2|8,r7c3r8c3|20,r6c4r7c4r7c5|12,r7c6r7c7|15,r6c8r7c8r8c8|17,r7c0r8c0|7,r8c4r8c5|9,r8c6r8c7", "solution": "598617324712543698643982571236851749487329165159476283371298456824165937965734812", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13914, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13916, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2017-01-17", "puzzle": "10,r0c2r0c3|17,r0c6r0c7|30,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|15,r0c4r0c5r1c3r1c4|21,r1c5r1c6r1c7r2c7|8,r0c8r1c8|15,r2c5r2c6|17,r2c0r3c0|15,r2c3r3c2r3c3|17,r2c4r3c4r3c5|9,r3c6r3c7r4c6|16,r2c8r3c8r4c7r4c8|16,r3c1r4c0r4c1r5c0|24,r4c2r4c3r5c3|14,r4c4r4c5r5c4r5c5|12,r5c7r5c8|8,r6c0r7c0|19,r5c1r6c1r7c1r7c2|8,r5c2r6c2|12,r6c3r6c4r7c3|16,r5c6r6c5r6c6|17,r6c7r7c6r7c7|25,r6c8r7c8r8c6r8c7r8c8|11,r8c0r8c1|23,r7c4r8c2r8c3r8c4|10,r7c5r8c5", "solution": "736415892418279536952368741847592613569731284123846957695124378271983465384657129", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13916, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13915, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2017-01-17", "puzzle": "14,r0c2r0c3|15,r0c5r0c6|9,r0c0r1c0|12,r0c1r1c1r1c2|32,r0c4r1c3r1c4r1c5r2c3r2c4r2c5|7,r0c7r1c6r1c7|15,r0c8r1c8|13,r2c0r2c1|13,r2c7r2c8|6,r2c2r3c2|11,r2c6r3c6|4,r3c0r4c0|15,r3c1r4c1|27,r3c3r4c2r4c3r5c2|3,r3c4r4c4|21,r3c5r4c5r4c6r5c6|9,r3c7r4c7|6,r3c8r4c8|17,r5c0r5c1r6c0|15,r5c3r5c4r5c5|13,r5c7r5c8r6c8|15,r6c2r6c3|5,r6c5r6c6|19,r6c1r7c0r7c1r7c2r8c2|16,r6c4r7c4r8c4|26,r6c7r7c6r7c7r7c8r8c6|13,r8c0r8c1|7,r7c3r8c3|11,r7c5r8c5|16,r8c7r8c8", "solution": "419538726538267419762491358374915862185726934926384175697853241241679583853142697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13915, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13917, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2017-01-17", "puzzle": "12,r0c2r0c3|0,r0c5r0c6r0c7r0c8|0,r0c0r1c0r2c0r3c0|32,r0c1r1c1r1c2r1c3r2c1r2c2|10,r0c4r1c4|0,r2c3r2c4|11,r1c5r2c5|9,r1c6r2c6r3c6|12,r1c7r2c7|15,r1c8r2c8|0,r3c4r3c5r4c5|0,r3c7r3c8|0,r3c1r4c0r4c1|0,r3c2r4c2|0,r3c3r4c3|13,r4c4r5c4|31,r4c6r4c7r5c6r5c7r6c6|3,r4c8r5c8|5,r5c0r6c0|13,r5c1r6c1|0,r5c2r6c2|26,r5c3r6c3r6c4r7c3r7c4r8c3|16,r5c5r6c5|15,r6c7r6c8r7c8r8c8|30,r7c0r7c1r7c2r8c0r8c1r8c2|15,r7c5r7c6|12,r8c4r8c5|0,r7c7r8c6r8c7", "solution": "935781264148926537762435198476512389891374652253869471384257916519648723627193845", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13917, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13919, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2017-01-18", "puzzle": "16,r0c4r0c5r0c6|13,r0c7r0c8r1c8|13,r0c0r0c1r1c0|5,r0c2r1c2|21,r0c3r1c3r1c4|16,r1c5r1c6r1c7|22,r1c1r2c0r2c1|12,r2c2r2c3r2c4|15,r2c5r2c6r2c7|8,r2c8r3c8|10,r3c0r3c1|9,r3c2r3c3|19,r3c4r4c4r5c4|9,r3c5r4c5|15,r4c0r4c1|14,r4c2r5c1r5c2|10,r3c6r3c7r4c6|9,r4c7r4c8|3,r4c3r5c3|13,r5c5r5c6|13,r5c7r5c8|13,r5c0r6c0|18,r6c1r6c2r6c3|14,r6c4r6c5r6c6|14,r6c7r6c8r7c7|11,r7c1r7c2r7c3|13,r7c4r7c5r8c5|13,r7c6r8c6|17,r7c8r8c7r8c8|10,r7c0r8c0r8c1|17,r8c2r8c3r8c4", "solution": "483652971162789435975341682731894256694275318528136749849567123316428597257913864", "extra": "{\"grid_size\": 9, \"puzzle_number\": 13919, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 13920, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2017-01-18", "puzzle": 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"8,r0c2r0c3r0c4|16,r0c5r0c6r0c7|35,r0c0r0c1r1c0r2c0r2c1r3c1|15,r1c1r1c2r1c3|12,r1c5r1c6|13,r0c8r1c8|10,r2c2r2c3|9,r1c4r2c4|14,r2c5r2c6r3c6r4c6|11,r1c7r2c7r2c8|8,r3c0r4c0|14,r3c2r4c1r4c2|11,r3c3r4c3|22,r3c4r3c5r4c4|20,r3c8r4c8r5c8|18,r5c0r5c1r5c2|25,r4c5r5c4r5c5r5c6r6c4r6c5|31,r6c0r6c1r7c0r7c1r8c0r8c1r8c2|20,r5c3r6c2r6c3r7c2|24,r3c7r4c7r5c7r6c7r6c8|16,r7c3r7c4|25,r6c6r7c5r7c6r7c7r7c8|10,r8c3r8c4|18,r8c5r8c6r8c7r8c8", "solution": "871253496265419387493786521154897263782364159639521748546138972328975614917642835", "extra": "{\"grid_size\": 9, \"puzzle_number\": 14050, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 14053, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2017-02-13", "puzzle": "9,r0c1r0c2|15,r0c3r0c4r1c3|18,r0c6r0c7r0c8|8,r0c0r1c0|12,r0c5r1c4r1c5|16,r1c7r1c8r2c7|17,r1c1r2c1|8,r1c2r2c2|18,r2c3r2c4r2c5|5,r1c6r2c6|12,r2c0r3c0r4c0|11,r3c1r3c2r3c3|5,r3c4r4c4|23,r2c8r3c7r3c8|14,r4c2r4c3|18,r3c5r4c5r5c5|11,r3c6r4c6|11,r4c7r4c8|7,r4c1r5c1|16,r5c3r5c4r6c3|3,r5c6r5c7|11,r5c0r6c0|15,r5c2r6c1r6c2|11,r6c6r6c7|8,r5c8r6c8|15,r7c0r7c1r8c0|20,r6c4r7c4r8c4|10,r6c5r7c5|21,r7c6r7c7r7c8|15,r7c2r8c1r8c2|12,r7c3r8c3|5,r8c5r8c6|5,r8c7r8c8", "solution": "645831792297465138381729456163247589829513674754698213438176925912354867576982341", "extra": "{\"grid_size\": 9, \"puzzle_number\": 14053, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 14054, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2017-02-13", "puzzle": 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"15,r0c4r0c5r0c6|35,r0c0r0c1r0c2r0c3r1c0r1c1r1c2|9,r1c3r1c4|13,r1c5r1c6|20,r0c7r1c7r2c7r3c7|11,r0c8r1c8r2c8|13,r2c0r3c0|18,r2c2r2c3r3c2r3c3|24,r2c4r2c5r2c6|8,r2c1r3c1r4c1|11,r3c4r3c5|13,r4c0r5c0|10,r4c2r5c2|11,r4c3r4c4r4c5|9,r3c6r4c6|12,r3c8r4c8|7,r5c3r5c4|13,r4c7r5c7r6c7|13,r6c2r6c3r6c4|17,r5c5r5c6r6c5r6c6|10,r5c8r6c8|14,r6c0r7c0r8c0|23,r5c1r6c1r7c1r8c1|13,r7c2r7c3|10,r7c4r7c5|33,r7c6r7c7r7c8r8c5r8c6r8c7r8c8|20,r8c2r8c3r8c4", "solution": "297165483358724916614389752742938165539416827861257349983642571125873694476591238", "extra": "{\"grid_size\": 9, \"puzzle_number\": 14432, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 14433, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2017-04-26", "puzzle": 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"3,r0c1r0c2|11,r0c6r0c7|11,r0c0r1c0|16,r1c1r1c2r2c2|9,r0c3r1c3|11,r0c4r1c4|17,r0c5r1c5|12,r1c6r1c7r2c6|9,r0c8r1c8|15,r2c0r2c1|27,r2c3r2c4r2c5r3c3r3c4r3c5|13,r2c7r2c8|22,r3c1r3c2r4c2r4c3|19,r3c6r3c7r4c5r4c6|8,r3c0r4c0r4c1|19,r3c8r4c7r4c8|15,r5c0r5c1|8,r4c4r5c4|11,r5c7r5c8|11,r6c0r6c1|12,r5c2r6c2|19,r5c3r5c5r6c3r6c4r6c5|8,r5c6r6c6|9,r6c7r6c8|7,r7c2r7c3|9,r7c5r7c6|8,r7c0r8c0|11,r7c1r8c1|14,r8c2r8c3|10,r7c4r8c4|11,r8c5r8c6|11,r7c7r8c7|9,r7c8r8c8", "solution": "521649837649378152873512649357496218412837965968251374294763581786125493135984726", "extra": "{\"grid_size\": 9, \"puzzle_number\": 14461, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 14460, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2017-05-01", "puzzle": 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"16,r0c0r0c1r1c0|10,r0c2r0c3|17,r0c4r0c5r0c6|7,r0c7r0c8|20,r1c1r1c2r1c3|14,r1c6r1c7|8,r2c0r3c0|7,r2c1r2c2|10,r1c4r2c4|7,r1c5r2c5|13,r1c8r2c7r2c8|11,r2c3r3c3r3c4|24,r2c6r3c5r3c6|4,r3c7r3c8|10,r3c1r4c0r4c1|12,r3c2r4c2r5c2|9,r4c3r4c4|16,r4c6r4c7|13,r4c5r5c5|11,r4c8r5c8|17,r5c1r6c1r6c2|16,r5c3r5c4r6c3|11,r6c4r6c5|7,r5c6r5c7r6c6|13,r6c7r6c8|21,r5c0r6c0r7c0|9,r7c1r7c2|15,r7c3r7c4r8c4|9,r8c0r8c1|10,r8c2r8c3|12,r7c5r7c6r8c5|14,r7c7r8c6r8c7|12,r7c8r8c8", "solution": "389167452574923681261584739657249813142638975893715246435892167918376524726451398", "extra": "{\"grid_size\": 9, \"puzzle_number\": 14526, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 14528, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2017-05-15", "puzzle": 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"20,r0c4r0c5r0c6|15,r0c0r0c1r0c2r1c0r2c0|24,r1c1r1c2r2c1|8,r0c3r1c3|26,r0c7r0c8r1c6r1c7r1c8|20,r2c2r2c3r3c2|12,r1c4r2c4|15,r1c5r2c5r2c6r2c7r2c8|15,r3c0r3c1|5,r4c1r4c2|10,r3c3r3c4r4c3|20,r3c5r3c6r4c6|11,r3c7r4c7|3,r3c8r4c8|16,r4c0r5c0r6c0|24,r5c1r5c2r6c2r7c2r8c2|22,r4c4r4c5r5c4|14,r5c3r6c3r6c4|21,r5c5r5c6r6c5r6c6|11,r5c7r6c7|15,r5c8r6c8|25,r6c1r7c0r7c1r8c0r8c1|8,r7c3r7c4|9,r7c5r7c6|7,r8c3r8c4|11,r8c5r8c6|18,r7c7r7c8r8c7r8c8", "solution": "412675893589243167376981425965324781841567932723198546134852679298716354657439218", "extra": "{\"grid_size\": 9, \"puzzle_number\": 14538, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 14539, "game_type": "killer_sudoku_gt", "difficulty": "5", "puzzle_date": "2017-05-17", "puzzle": 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"16,r0c0r0c1r1c0|12,r0c3r0c4|41,r0c5r0c6r0c7r0c8r1c6r1c7r1c8|20,r0c2r1c1r1c2r1c3r2c2|10,r1c4r1c5|0,r2c3r2c4|15,r2c5r2c6|0,r2c1r3c1|3,r3c2r3c3|22,r3c4r3c5r3c6|5,r2c7r3c7|0,r4c1r4c2r4c3|0,r4c4r4c5r4c6r4c7|30,r2c0r3c0r4c0r5c0r6c0|16,r5c1r6c1|11,r5c2r5c3|12,r5c4r5c5r5c6|8,r5c7r6c7|0,r6c3r6c4|3,r6c5r6c6|23,r2c8r3c8r4c8r5c8r6c8|0,r6c2r7c1r7c2r7c3r8c2|0,r7c4r7c5|0,r7c0r8c0r8c1|11,r8c3r8c4|41,r7c6r7c7r7c8r8c5r8c6r8c7r8c8", "solution": "185397462723164589649528713531276948864953271297481356978642135356719824412835697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 14734, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 14737, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2017-06-26", "puzzle": 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"23,r0c1r0c2r0c3r0c4r1c1|13,r0c6r0c7|11,r0c0r1c0|20,r0c5r1c5r1c6r2c6|11,r0c8r1c7r1c8r2c7|14,r2c0r2c1r3c0r4c0|20,r1c2r1c3r2c2|20,r1c4r2c3r2c4|18,r3c2r3c3r3c4|5,r2c5r3c5|25,r3c6r3c7r4c6r4c7r5c7|16,r2c8r3c8|17,r4c3r4c4r4c5|6,r5c0r6c0|25,r3c1r4c1r4c2r5c1r5c2|5,r5c3r6c3|21,r5c4r5c5r5c6|19,r6c4r6c5r7c4|12,r6c6r7c5r7c6|19,r4c8r5c8r6c7r6c8|24,r6c1r7c0r7c1r8c0|13,r6c2r7c2r7c3r8c3|11,r7c8r8c8|13,r8c1r8c2|24,r7c7r8c4r8c5r8c6r8c7", "solution": "948132765275986431316754829629541387457863912183279546562398174731425698894617253", "extra": "{\"grid_size\": 9, \"puzzle_number\": 14733, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 14735, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2017-06-25", "puzzle": "20,r0c3r0c4r0c5|25,r0c6r0c7r0c8r1c8r2c8|12,r0c0r1c0|14,r0c1r1c1|9,r0c2r1c2|5,r1c3r1c4|9,r2c0r2c1|34,r1c5r1c6r1c7r2c6r2c7r3c7|5,r3c0r3c1|0,r2c2r3c2r4c2|11,r2c3r3c3|0,r2c4r3c4|21,r2c5r3c5r3c6|0,r4c0r4c1|11,r4c5r4c6|0,r4c7r5c7|0,r3c8r4c8r5c8|23,r4c3r4c4r5c3r5c4|7,r5c5r5c6|0,r5c0r6c0r6c1|27,r5c1r5c2r6c2r6c3r7c3|16,r6c4r6c5r6c6|0,r6c7r6c8|0,r7c4r8c4|6,r7c5r8c5|15,r7c6r8c6|0,r7c7r7c8|0,r7c0r7c1r8c0r8c1|11,r7c2r8c2r8c3|10,r8c7r8c8", "solution": "452938176897146253361527498234619587678352941915784362189473625526891734743265819", "extra": "{\"grid_size\": 9, \"puzzle_number\": 14735, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 14738, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2017-06-26", "puzzle": "10,r0c0r0c1r0c2|17,r0c6r0c7r0c8|9,r1c0r1c1|20,r0c3r1c2r1c3|15,r0c4r1c4r2c4|16,r0c5r1c5r1c6|5,r1c7r1c8|28,r2c0r2c1r2c2r3c2r4c2|21,r2c6r2c7r2c8r3c6r4c6|13,r3c0r3c1|11,r2c3r3c3r4c3|18,r2c5r3c5r4c5|14,r3c7r3c8|9,r3c4r4c4|29,r4c0r5c0r6c0r7c0|12,r4c1r5c1r6c1|6,r5c2r5c3|15,r5c5r5c6|15,r4c7r5c7r6c7|25,r4c8r5c8r6c8r7c8|13,r6c2r6c3|13,r5c4r6c4r7c4|5,r6c5r6c6|9,r7c1r8c0r8c1|12,r7c2r8c2|25,r7c3r7c5r8c3r8c4r8c5|6,r7c6r8c6|14,r7c7r8c7r8c8", "solution": "325891674187546923496327851678132495541769382932458716754913268863275149219684537", "extra": "{\"grid_size\": 9, \"puzzle_number\": 14738, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 14739, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2017-06-26", "puzzle": 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"10,r0c4r0c5|14,r0c0r0c1r1c0|22,r0c2r0c3r1c2|15,r0c6r0c7r1c6r1c7|8,r0c8r1c8|16,r1c1r2c0r2c1|14,r1c3r2c2r2c3|14,r1c4r1c5r2c4r2c5|22,r2c6r2c7r3c6r3c7|8,r2c8r3c8|9,r3c0r4c0|25,r3c1r3c2r4c1r4c2|10,r4c3r5c3|3,r3c5r4c5|22,r4c6r4c7r5c6r5c7|15,r4c8r5c8|17,r5c0r6c0|32,r3c3r3c4r4c4r5c4r5c5|15,r5c1r5c2r6c1r6c2|19,r6c3r6c4r7c3r7c4|12,r6c5r6c6r7c5|10,r6c7r6c8r7c7|9,r7c0r8c0|15,r7c1r7c2r8c1r8c2|20,r7c6r8c5r8c6|19,r7c8r8c7r8c8|10,r8c3r8c4", "solution": "175928436698543712342716985569872143437651298821439657984265371716384529253197864", "extra": "{\"grid_size\": 9, \"puzzle_number\": 14818, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 14819, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2017-07-12", "puzzle": 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"8,r0c0r0c1r1c0|14,r0c2r1c2|0,r0c3r1c3|0,r0c4r1c4r2c4|0,r0c5r1c5|9,r0c6r1c6|16,r0c7r0c8r1c8|0,r1c1r2c0r2c1r3c1|10,r2c2r2c3|0,r2c5r2c6|15,r1c7r2c7r2c8r3c7|15,r3c3r3c4r3c5|9,r3c0r4c0|0,r3c2r4c2|0,r3c6r4c6|17,r3c8r4c8|24,r4c1r5c1r5c2r6c1|0,r4c3r5c3|0,r4c4r5c4|0,r4c5r5c5|0,r4c7r5c6r5c7r6c7|13,r5c0r6c0|19,r6c2r6c3r6c4r6c5r6c6|0,r5c8r6c8|16,r7c3r7c4r7c5r8c4|18,r7c0r7c1r7c2r8c0|20,r8c1r8c2r8c3|12,r8c5r8c6r8c7|0,r7c6r7c7r7c8r8c8", "solution": "156487392278913645934652871642591738387264519519738426861349257425176983793825164", "extra": "{\"grid_size\": 9, \"puzzle_number\": 15011, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 15010, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2017-08-16", "puzzle": 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"18,r0c0r0c1r0c2|0,r0c4r0c5r1c5|19,r1c0r1c1r1c2r2c2|4,r0c3r1c3|0,r0c6r1c6|0,r0c7r1c7|0,r0c8r1c8|0,r1c4r2c4|7,r2c5r2c6|0,r2c7r2c8|0,r2c0r2c1r3c0|0,r3c1r4c1|0,r2c3r3c3r4c3|11,r3c4r4c4r5c4|0,r3c5r3c6|17,r3c7r3c8r4c8|5,r3c2r4c2|6,r4c6r5c6|13,r4c0r5c0r5c1|15,r5c2r5c3|20,r4c5r5c5r6c5|0,r4c7r5c7|9,r5c8r6c7r6c8|0,r6c0r6c1|10,r6c2r6c3|5,r6c4r7c4|0,r7c0r8c0|10,r7c1r8c1|8,r7c2r8c2|0,r7c5r8c5|27,r6c6r7c6r7c7r7c8|21,r7c3r8c3r8c4|0,r8c6r8c7r8c8", "solution": "486357129539182764712694358654721983891435276327869415978246531243518697165973842", "extra": "{\"grid_size\": 9, \"puzzle_number\": 15411, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 15413, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2017-11-05", "puzzle": 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"16,r0c0r0c1r1c0r1c1|0,r0c2r1c2|0,r0c3r1c3|0,r0c4r1c4|0,r0c5r1c5|21,r0c6r0c7r0c8r1c6|0,r2c0r2c1|27,r2c2r2c3r3c2r3c3r3c4r4c3|11,r1c7r2c7|12,r1c8r2c8r3c8|15,r3c0r3c1|0,r2c4r2c5r3c5|0,r2c6r3c6r3c7r4c6|0,r4c0r4c1|20,r4c4r4c5r5c4r5c5|9,r5c0r5c1|18,r4c2r5c2r5c3|0,r4c7r5c7|7,r4c8r5c8|22,r6c0r6c1r7c0r8c0|17,r6c2r6c3r6c4r7c3|0,r5c6r6c5r6c6|0,r6c7r6c8|15,r7c1r7c2|12,r7c4r7c5|8,r8c1r8c2r8c3|9,r8c4r8c5|13,r7c6r8c6|21,r7c7r7c8r8c7r8c8", "solution": "536892174172435968984671253697528431218346795453719682841957326369284517725163849", "extra": "{\"grid_size\": 9, \"puzzle_number\": 15416, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 15417, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2017-11-05", "puzzle": 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"17,r0c1r0c2r1c2|13,r0c3r0c4|4,r0c0r1c0|24,r1c3r1c4r2c3r2c4r2c5|18,r0c5r0c6r1c5r1c6|7,r0c7r1c7|13,r0c8r1c8|16,r1c1r2c1r2c2|15,r2c6r2c7r2c8|19,r3c1r3c2r3c3|14,r3c5r3c6|21,r4c1r4c2r4c3|22,r3c4r4c4r4c5r4c6r5c4|11,r3c7r4c7r5c7|12,r3c8r4c8r5c8|32,r2c0r3c0r4c0r5c0r6c0|10,r5c1r5c2r5c3|9,r5c5r5c6|13,r6c1r6c2r7c1|18,r6c6r6c7r6c8|9,r7c0r8c0|17,r6c3r6c4r6c5r7c3r7c4|21,r7c5r7c6r8c5r8c6|16,r7c7r8c7|3,r7c8r8c8|16,r7c2r8c1r8c2|15,r8c3r8c4", "solution": "369581247152497836847326159684715923275938614913642785791253468438169572526874391", "extra": "{\"grid_size\": 9, \"puzzle_number\": 15419, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 15420, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2017-11-06", "puzzle": 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"0,r0c1r0c2|15,r0c3r0c4|0,r0c0r1c0|14,r1c1r1c2r1c3|21,r0c5r1c4r1c5r2c5|0,r0c6r0c7r1c6r2c6|0,r0c8r1c7r1c8r2c7|27,r2c0r2c1r2c2r3c1|0,r2c3r2c4|10,r3c4r4c4r5c4|23,r3c5r3c6r3c7|5,r2c8r3c8|16,r3c0r4c0|0,r3c2r4c1r4c2|0,r3c3r4c3|16,r4c5r5c5|0,r4c6r4c7r5c6|13,r4c8r5c8|5,r5c0r6c0|0,r5c1r5c2r5c3|7,r6c4r6c5|24,r5c7r6c6r6c7r6c8|0,r6c1r7c0r7c1r8c0|0,r6c2r7c2r8c1r8c2|26,r6c3r7c3r7c4r8c3|0,r7c5r7c6r7c7|5,r7c8r8c8|11,r8c4r8c5|8,r8c6r8c7", "solution": "341872569285196347697534821752318694918647235436259718173425986829761453564983172", "extra": "{\"grid_size\": 9, \"puzzle_number\": 15422, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 15424, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2017-11-07", "puzzle": 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"4,r0c0r0c1|15,r0c7r0c8r1c8|21,r1c0r1c1r2c0|17,r0c2r0c3r1c2r1c3|26,r0c4r0c5r0c6r1c4|7,r1c6r1c7|18,r2c1r2c2r2c3r3c3|9,r1c5r2c5|13,r2c8r3c8|10,r3c0r4c0|20,r2c4r3c4r3c5|22,r2c6r2c7r3c6r3c7|8,r3c1r4c1|8,r3c2r4c2|17,r4c3r4c4r4c5|6,r4c6r5c6|14,r4c7r5c7|22,r5c1r5c2r6c1r6c2|16,r5c3r5c4r6c4|4,r4c8r5c8|12,r5c0r6c0|13,r6c3r7c3|15,r5c5r6c5r6c6r6c7|10,r7c1r7c2|20,r7c4r8c2r8c3r8c4|22,r7c5r7c6r8c5r8c6|13,r6c8r7c7r7c8|13,r7c0r8c0r8c1|10,r8c7r8c8", "solution": "315284967789156342624973185152349678936728451478615293843591726291867534567432819", "extra": "{\"grid_size\": 9, \"puzzle_number\": 15629, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 15630, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2017-12-16", "puzzle": 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"0,r0c2r0c3r1c3|14,r0c4r0c5|21,r0c6r0c7r1c7|32,r0c0r0c1r1c0r1c1r1c2r2c1|0,r0c8r1c8r2c8|16,r2c2r2c3r3c2r3c3|0,r1c4r2c4|0,r1c5r2c5|16,r1c6r2c6r2c7|14,r2c0r3c0r3c1|14,r3c7r3c8r4c7r5c7|5,r4c1r4c2|21,r3c4r4c3r4c4|0,r3c5r4c5|12,r3c6r4c6|0,r4c0r5c0|0,r5c1r5c2|7,r5c3r5c4|15,r4c8r5c8|16,r6c1r6c2r7c2|0,r6c3r6c4|0,r5c5r5c6r6c5r6c6|0,r6c7r6c8|11,r6c0r7c0r7c1|21,r7c7r7c8r8c7r8c8|0,r8c0r8c1r8c2|0,r7c3r7c4r7c5r8c3|11,r8c4r8c5|0,r7c6r8c6", "solution": "238459761569371284174286593853742916641895327927613458382967145716524839495138672", "extra": "{\"grid_size\": 9, \"puzzle_number\": 15631, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 15632, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2017-12-16", "puzzle": 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"14,r0c0r0c1r0c2r0c3|16,r0c4r0c5r0c6|9,r1c3r1c4|0,r1c5r1c6r2c5r3c5|20,r0c7r0c8r1c7|3,r1c0r2c0|21,r1c1r1c2r2c1|16,r2c4r3c4|0,r2c6r2c7r3c7|9,r1c8r2c8r3c8|0,r2c2r3c1r3c2|8,r2c3r3c3|0,r3c0r4c0r4c1|6,r4c2r5c2|0,r4c3r4c4r4c5|7,r3c6r4c6|17,r4c7r4c8r5c8|0,r5c5r6c5|16,r5c6r5c7r6c6|0,r5c0r6c0r7c0|0,r5c1r6c1r6c2|0,r5c4r6c4|15,r6c7r7c6r7c7|7,r6c8r7c8|11,r7c1r8c0r8c1|0,r5c3r6c3r7c2r7c3|0,r7c4r7c5|22,r8c2r8c3r8c4|17,r8c5r8c6r8c7r8c8", "solution": "543219678178634952269578143615397284932846517784125369891453726356782491427961835", "extra": "{\"grid_size\": 9, \"puzzle_number\": 15832, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 15830, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-01-25", "puzzle": 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"10,r0c0r1c0|20,r0c1r0c2r1c1|9,r1c2r1c3|30,r0c3r0c4r0c5r1c4r2c3r2c4r2c5|13,r1c5r1c6|8,r0c6r0c7r1c7|7,r0c8r1c8|18,r2c0r2c1r3c0|20,r2c7r2c8r3c8|15,r2c2r3c2r3c3|14,r2c6r3c5r3c6|24,r3c1r4c0r4c1r5c0|5,r4c2r4c3|9,r3c4r4c4|15,r4c5r4c6|20,r3c7r4c7r4c8r5c8|10,r5c1r6c1|7,r5c2r6c2|9,r5c3r6c3|14,r5c4r6c4r7c4|11,r5c5r6c5|13,r5c6r6c6|11,r5c7r6c7|12,r6c0r7c0r8c0|13,r7c2r7c3|4,r7c5r7c6|14,r6c8r7c8r8c8|5,r7c1r8c1|34,r8c2r8c3r8c4r8c5r8c6|11,r7c7r8c7", "solution": "879653142241897635365124789986415273752386914413279568194732856628541397537968421", "extra": "{\"grid_size\": 9, \"puzzle_number\": 15938, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 15939, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2018-02-16", "puzzle": 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"14,r0c7r0c8|12,r0c0r1c0|3,r0c1r1c1|19,r0c2r0c3r1c2|10,r1c3r2c3|20,r0c4r0c5r1c4|13,r0c6r1c6r1c7|14,r1c8r2c8r3c8|12,r2c1r2c2r3c1|11,r1c5r2c4r2c5|12,r2c6r2c7|13,r2c0r3c0|8,r3c2r3c3r3c4|13,r4c3r4c4r5c3|12,r3c5r4c5|19,r3c6r3c7r4c6|12,r4c7r4c8|6,r4c0r5c0|17,r4c1r5c1|11,r4c2r5c2|15,r5c4r5c5r5c6|15,r6c2r6c3|4,r6c5r6c6|3,r5c7r6c7|19,r5c8r6c8r7c8|10,r6c0r6c1r7c0|13,r6c4r7c4|15,r7c5r7c6r8c6|21,r7c1r8c0r8c1|5,r7c2r8c2|10,r7c3r8c3|13,r8c4r8c5|11,r7c7r8c7r8c8", "solution": "327495186918263754654817932731524698296138475485976213549681327163752849872349561", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16419, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16420, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2018-05-07", "puzzle": 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"4,r0c1r0c2|14,r0c0r1c0|21,r1c1r1c2r2c2|7,r0c3r1c3|16,r0c4r0c5r0c6r1c4|0,r0c7r1c7|11,r0c8r1c8|6,r2c0r2c1|0,r1c5r2c4r2c5|0,r1c6r2c6r3c6|36,r3c0r3c1r3c2r4c0r4c1r4c2|13,r2c3r3c3r4c3|0,r3c4r3c5r4c4r5c3r5c4|3,r2c7r3c7|7,r2c8r3c8|10,r5c0r6c0|11,r5c1r6c1|0,r4c5r5c5r6c5|38,r4c6r4c7r4c8r5c6r5c7r5c8|0,r5c2r6c2r7c2|0,r6c3r6c4r7c3|8,r6c7r6c8|11,r7c0r8c0|6,r7c1r8c1|23,r7c4r8c2r8c3r8c4|7,r7c5r8c5|0,r6c6r7c6r7c7|13,r7c8r8c8|0,r8c6r8c7", "solution": "531462789976318542248597613789653124165284937423179856694825371812736495357941268", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16422, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16423, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2018-05-07", "puzzle": "19,r0c1r0c2r0c3r0c4|21,r0c0r1c0r2c0r3c0|13,r1c3r1c4r2c3|16,r0c5r1c5|6,r0c6r1c6|0,r0c7r1c7|12,r0c8r1c8|0,r1c1r2c1|0,r1c2r2c2|11,r2c4r2c5|16,r2c6r2c7r2c8|5,r3c2r3c3|0,r3c4r3c5|6,r3c7r3c8|19,r3c1r4c0r4c1r4c2r5c1|8,r4c3r4c4r4c5|0,r3c6r4c6r5c6|15,r4c7r4c8|0,r5c2r5c3|13,r5c4r5c5|6,r5c7r5c8|0,r6c1r7c1|7,r6c2r7c2|0,r6c4r6c5|0,r6c6r6c7r6c8|22,r5c0r6c0r7c0r8c0|21,r6c3r7c3r7c4|7,r7c5r8c5|14,r7c6r8c6|5,r7c7r8c7|9,r7c8r8c8|0,r8c1r8c2r8c3r8c4", "solution": "368147259157829463924365187843296715275431896619758342531982674486573921792614538", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16423, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16424, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2018-05-08", "puzzle": 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"15,r0c0r0c1|8,r0c4r0c5|7,r0c6r0c7|10,r0c2r1c2r2c2|7,r0c3r1c3|21,r1c5r1c6r1c7|13,r0c8r1c8|20,r1c0r1c1r2c0r2c1|18,r1c4r2c4r2c5|10,r2c6r2c7|12,r3c1r3c2|18,r2c3r3c3r3c4|6,r3c5r3c6|3,r2c8r3c8|23,r3c0r4c0r4c1r5c1|26,r4c2r4c3r4c4r4c5r4c6|18,r3c7r4c7r4c8r5c8|9,r5c0r6c0|8,r5c2r5c3|14,r5c4r5c5r6c5|17,r5c6r5c7|8,r6c1r6c2|15,r6c3r6c4r7c4|18,r6c7r6c8r7c7r7c8|12,r7c0r8c0|19,r7c1r7c2r7c3|7,r7c5r8c5|10,r6c6r7c6r8c6|8,r8c1r8c2|8,r8c3r8c4|17,r8c7r8c8", "solution": "692517348143298675875436912739864251284951763561723894417389526958642137326175489", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16425, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16426, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-05-08", "puzzle": 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"15,r0c0r0c1r0c2|13,r0c5r1c4r1c5|3,r0c6r0c7|10,r1c0r2c0|11,r1c1r1c2|18,r0c3r0c4r1c3|13,r1c6r1c7|8,r0c8r1c8|15,r2c3r2c4r3c3|12,r2c5r2c6|12,r2c7r2c8|10,r2c1r3c1|9,r2c2r3c2|14,r3c7r3c8|14,r3c0r4c0r4c1|19,r3c4r3c5r4c4|16,r3c6r4c5r4c6|9,r4c7r4c8|11,r5c0r5c1|13,r4c2r4c3r5c2|20,r5c7r5c8r6c7|6,r6c0r6c1|16,r5c3r6c2r6c3|9,r5c4r6c4r7c4|9,r5c5r6c5|7,r5c6r6c6|15,r7c1r7c2|23,r7c3r8c3r8c4|17,r7c6r7c7r8c6|8,r6c8r7c8|10,r7c0r8c0|6,r8c1r8c2|6,r7c5r8c5|8,r8c7r8c8", "solution": "465978213983214765172563984237486159841359627659127438518742396796831542324695871", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16429, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16433, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2018-05-09", "puzzle": 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"9,r0c2r0c3|12,r0c4r0c5|15,r0c7r0c8r1c7|17,r0c0r1c0|7,r0c1r1c1|15,r1c2r1c3r1c4|10,r0c6r1c5r1c6|14,r2c0r2c1r3c1|9,r2c3r2c4r3c4|24,r2c5r2c6r3c5r3c6|14,r1c8r2c8|11,r2c7r3c7|19,r3c0r4c0r4c1r5c0|20,r3c3r4c3r4c4r5c3|15,r4c5r4c6r4c7|10,r3c8r4c8r5c8|5,r5c7r6c7|18,r5c1r6c0r6c1|27,r2c2r3c2r4c2r5c2r6c2|10,r5c4r6c3r6c4|26,r5c5r5c6r6c5r6c6|11,r6c8r7c8|5,r7c0r8c0|10,r7c1r8c1|18,r7c2r7c3r7c4|14,r7c5r7c6r8c6|12,r8c2r8c3|9,r8c4r8c5|19,r7c7r8c7r8c8", "solution": "941875326832496175756213489425168937189734652673952841564329718218647593397581264", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16434, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16436, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-05-10", "puzzle": "29,r0c0r0c1r0c2r1c0r2c0r3c0|24,r0c3r0c4r1c2r1c3|20,r0c5r0c6r1c5r1c6|21,r0c7r0c8r1c7r1c8|8,r1c1r2c1|12,r1c4r2c4|13,r3c1r3c2|8,r2c2r2c3r3c3|33,r2c5r2c6r3c4r3c5r3c6r4c5|17,r2c7r2c8r3c7r3c8|3,r4c6r4c7|15,r4c0r4c1r5c0r5c1|29,r4c2r4c3r4c4r5c4r6c4|19,r5c5r5c6r6c6|26,r4c8r5c7r5c8r6c7|6,r6c0r6c1|22,r5c2r5c3r6c2r6c3|10,r6c5r7c5|24,r6c8r7c8r8c5r8c6r8c7r8c8|26,r7c0r7c1r8c0r8c1|11,r7c2r8c2|8,r7c6r7c7|21,r7c3r7c4r8c3r8c4", "solution": "731452896928736451465198732576219348849365217213874965152947683684523179397681524", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16436, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16439, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2018-05-11", "puzzle": "8,r0c3r0c4|14,r0c0r1c0|5,r0c1r1c1|13,r0c2r1c2|9,r0c5r1c5|15,r0c6r1c6|7,r0c7r1c7|16,r0c8r1c8r2c8|5,r2c1r2c2|9,r1c3r2c3|10,r1c4r2c4|16,r2c5r2c6r2c7|21,r2c0r3c0r3c1|12,r3c2r3c3|5,r3c4r3c5|10,r3c7r3c8|11,r4c0r4c1|6,r4c2r5c2|16,r4c3r4c4r4c5|11,r3c6r4c6|11,r4c7r4c8|12,r5c0r5c1|13,r5c3r5c4|11,r5c5r5c6|10,r5c7r5c8r6c8|15,r6c1r6c2r6c3|14,r6c4r7c4|10,r6c5r7c5|11,r6c6r6c7|10,r6c0r7c0r8c0|9,r7c1r8c1|13,r7c2r8c2|9,r7c3r8c3|5,r7c6r8c6|10,r7c7r8c7|13,r7c8r8c8|10,r8c4r8c5", "solution": "947621853516438729832579164763914582291385647485762931158293476624157398379846215", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16439, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16438, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2018-05-10", "puzzle": "6,r0c1r0c2|0,r0c3r0c4r0c5r1c3|0,r0c6r0c7r0c8|10,r0c0r1c0|11,r1c1r1c2|16,r2c0r2c1r3c0|4,r2c2r2c3|21,r1c4r1c5r1c6r2c4|18,r1c7r2c7r3c7r3c8|13,r1c8r2c8|21,r3c1r3c2r3c3|15,r2c5r2c6r3c5r3c6|0,r4c0r4c1r4c2|0,r3c4r4c3r4c4r5c4|0,r4c5r4c6|0,r4c7r4c8|13,r5c1r5c2r5c3|26,r5c5r5c6r6c5r6c6|0,r5c0r6c0r6c1|0,r6c2r6c3|25,r6c4r7c4r7c5r7c6|24,r5c7r5c8r6c7r7c7|3,r6c8r7c8|10,r7c0r8c0|13,r7c1r7c2|14,r8c1r8c2|0,r7c3r8c3r8c4r8c5|0,r8c6r8c7r8c8", "solution": "651823497429765138783194625148952376972631854536487219314578962267349581895216743", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16438, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16440, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2018-05-11", "puzzle": 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"15,r0c0r0c1r1c0r1c1|30,r0c2r0c3r1c2r2c1r2c2|7,r0c5r0c6|15,r0c7r0c8r1c7|25,r0c4r1c4r1c5r1c6r2c5|18,r1c3r2c3r3c3r4c3|9,r2c6r2c7|7,r1c8r2c8|20,r2c0r3c0r4c0|8,r3c6r3c7r3c8|24,r3c1r3c2r4c1r4c2|27,r4c6r4c7r5c6r5c7|9,r5c0r5c1r5c2|32,r2c4r3c4r3c5r4c4r5c3r5c4r6c4|15,r4c8r5c8r6c8|15,r6c0r7c0|12,r6c1r6c2|23,r4c5r5c5r6c5r7c5|28,r6c3r7c2r7c3r7c4r8c4|6,r7c1r8c0r8c1|12,r8c2r8c3|26,r6c6r6c7r7c6r8c5r8c6|22,r7c7r7c8r8c7r8c8", "solution": "179862534342715986856394721798643152561287493423159867684921375935476218217538649", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16451, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16450, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2018-05-13", "puzzle": 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"0,r0c0r0c1r0c2|18,r0c6r0c7r0c8|16,r1c0r1c1r1c2|7,r0c3r1c3r2c3|13,r0c4r1c4|12,r0c5r1c5|9,r1c7r1c8|22,r2c4r2c5r3c4r3c5|0,r1c6r2c6r3c6|0,r2c7r2c8|18,r2c0r2c1r3c0r4c0|23,r2c2r3c1r3c2r3c3|11,r3c7r3c8|0,r4c1r4c2|13,r4c3r4c4r4c5|0,r4c6r4c7|12,r5c0r5c1|0,r5c5r5c6r5c7r6c6|0,r4c8r5c8r6c7r6c8|11,r6c0r6c1|16,r5c2r6c2r7c2|18,r5c3r5c4r6c3r6c4|7,r7c0r7c1|0,r7c3r8c3|12,r7c4r8c4|8,r6c5r7c5r8c5|0,r7c6r7c7r7c8|17,r8c0r8c1r8c2|17,r8c6r8c7r8c8", "solution": "294183576763259481815476923427918365581364792936527148658741239342895617179632854", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16462, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16463, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2018-05-15", "puzzle": "22,r0c0r0c1r1c0r1c1|0,r0c5r0c6r1c5|18,r0c2r1c2r1c3|17,r0c3r0c4r1c4|15,r0c7r1c6r1c7r2c7|7,r0c8r1c8|0,r2c1r2c2|12,r2c3r2c4r2c5|0,r2c0r3c0|16,r3c1r3c2r3c3|5,r3c4r3c5|20,r2c6r3c6r4c6r5c6r6c6|14,r2c8r3c8|0,r4c0r4c1|0,r4c2r4c3|12,r4c4r4c5|26,r3c7r4c7r4c8r5c7|11,r5c0r6c0|0,r5c1r5c2r5c3|15,r5c4r5c5|11,r5c8r6c8|10,r6c1r6c2|0,r6c3r6c4r6c5|0,r7c2r7c3r8c2|13,r7c4r8c3r8c4|28,r6c7r7c6r7c7r8c7|0,r7c8r8c8|22,r7c0r7c1r8c0r8c1|21,r7c5r8c5r8c6", "solution": "781923645439865712256417938947532186625184379318796524864351297172649853593278461", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16463, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16461, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-05-15", "puzzle": "20,r0c0r0c1r0c2r0c3r0c4|30,r0c6r0c7r1c6r1c7|23,r1c0r1c1r2c1r3c1|19,r1c2r1c3r2c3|10,r0c5r1c5|6,r0c8r1c8|11,r1c4r2c4|6,r2c5r2c6r3c5|21,r2c0r3c0r4c0|8,r2c2r3c2|16,r2c7r3c6r3c7|12,r2c8r3c8|5,r4c1r4c2|35,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|9,r4c6r4c7|7,r5c0r6c0|19,r5c1r5c2r6c1|10,r5c6r6c6|18,r4c8r5c8r6c8|20,r5c3r6c2r6c3|5,r6c4r7c4|4,r7c0r8c0|7,r7c3r8c3|12,r6c5r7c5r7c6|18,r5c7r6c7r7c7r7c8|27,r7c1r7c2r8c1r8c2|27,r8c4r8c5r8c6r8c7r8c8", "solution": "423568791917342865856971243682413579741259638539786124275834916194625387368197452", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16461, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16464, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2018-05-16", "puzzle": "14,r0c1r0c2|18,r0c3r0c4r0c5r1c4|14,r0c6r0c7|7,r0c0r1c0|4,r1c2r1c3|17,r1c5r1c6|7,r0c8r1c8|8,r1c1r2c1|24,r2c2r2c3r2c4r2c5r2c6|10,r1c7r2c7|17,r2c0r3c0|20,r3c3r3c4r3c5r4c4|11,r2c8r3c8|8,r3c1r4c1|7,r3c2r4c2|11,r3c6r4c6|10,r3c7r4c7|21,r4c0r5c0r5c1r5c2|13,r4c3r5c3|3,r4c5r5c5|17,r4c8r5c6r5c7r5c8|10,r6c0r6c1|10,r5c4r6c4|11,r6c7r6c8|19,r7c0r7c1r8c0r8c1|18,r6c2r6c3r7c2|10,r7c3r7c4r7c5|18,r6c5r6c6r7c6|21,r7c7r7c8r8c7r8c8|27,r8c2r8c3r8c4r8c5r8c6", "solution": "359147862421368975867925134913584627274631589685792341738419256146253798592876413", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16464, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16465, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2018-05-16", "puzzle": "10,r0c1r0c2|17,r0c3r0c4|6,r0c5r0c6|16,r0c0r1c0r1c1|9,r1c4r1c5|35,r0c7r0c8r1c6r1c7r1c8r2c7|35,r1c2r1c3r2c1r2c2r2c3r3c2|13,r2c5r2c6r3c5r3c6|12,r2c8r3c8|11,r2c0r3c0|8,r2c4r3c4|12,r3c7r4c7|12,r3c1r4c0r4c1|11,r4c5r4c6|7,r4c8r5c8|9,r5c0r5c1|7,r4c2r5c2|31,r3c3r4c3r4c4r5c3r5c4r5c5|23,r6c1r6c2r7c2|10,r6c3r6c4|21,r5c6r5c7r6c5r6c6r6c7r7c6|13,r6c8r7c8|22,r6c0r7c0r7c1r8c0r8c1r8c2|13,r7c3r8c3|11,r7c4r7c5r8c4|16,r8c5r8c6|15,r7c7r8c7r8c8", "solution": "364985172851427963297631485948156237175243896632798541589372614726814359413569728", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16465, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16466, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-05-16", "puzzle": 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"8,r0c0r0c1r1c1|11,r0c3r0c4|7,r0c5r0c6|14,r0c2r1c2|15,r1c4r1c5r1c6|20,r0c7r0c8r1c7|16,r1c0r2c0r2c1|17,r1c3r2c3r3c3|5,r2c4r2c5|5,r2c6r2c7|14,r1c8r2c8|9,r3c0r3c1|13,r2c2r3c2r4c2|20,r3c6r3c7r3c8|10,r3c4r3c5r4c4|16,r4c0r5c0r6c0|15,r4c1r5c1r5c2|7,r4c3r5c3|17,r4c5r5c5|11,r4c6r5c6|9,r4c7r4c8r5c7|8,r6c1r6c2|21,r5c4r6c3r6c4|16,r6c5r6c6r7c5|17,r5c8r6c7r6c8|14,r7c2r7c3r7c4|16,r7c6r7c7r8c7|11,r7c0r8c0|21,r7c1r8c1r8c2|5,r8c3r8c4|9,r8c5r8c6|8,r7c8r8c8", "solution": "416382579238795146597614238725461893941538762683279415162957384374826951859143627", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16529, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16531, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-05-29", "puzzle": 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"14,r0c0r0c1r0c2r0c3|9,r0c6r0c7|0,r1c0r1c1|15,r0c4r1c4|0,r0c5r1c5|15,r1c6r1c7r2c7r2c8|17,r0c8r1c8|19,r1c2r2c1r2c2|0,r1c3r2c3|0,r2c4r2c5r2c6|0,r2c0r3c0|22,r3c1r3c2r3c3r3c4|0,r3c5r3c6|0,r4c0r4c1|0,r4c2r4c3|5,r4c4r4c5|0,r4c6r4c7|11,r5c0r6c0|22,r5c1r5c2r5c3r5c4|0,r5c5r5c6|22,r3c7r3c8r4c8r5c7r5c8|9,r6c1r6c2r7c2|16,r6c3r7c3|0,r6c4r6c5r6c6|6,r7c0r7c1|0,r7c4r8c4|7,r7c5r8c5|0,r6c7r6c8r7c6r7c7|5,r7c8r8c8|24,r8c0r8c1r8c2r8c3|11,r8c6r8c7", "solution": "712495368435168279986327415567814923194632587328579146851743692243986751679251834", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16542, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16543, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2018-05-31", "puzzle": "0,r0c0r0c1r1c0|0,r0c2r0c3|22,r1c1r1c2r2c1r2c2|5,r0c4r1c4|0,r0c5r1c5|3,r0c6r1c6|0,r0c7r1c7|14,r0c8r1c8|0,r1c3r2c3|0,r2c4r2c5r2c6|4,r2c0r3c0|14,r3c1r3c2|24,r3c3r3c4r4c3r4c4|0,r2c7r3c7|11,r2c8r3c8|10,r4c0r4c1|0,r5c0r5c1|12,r4c2r5c2r6c2|0,r3c5r4c5r5c3r5c4r5c5|22,r4c7r4c8r5c7|0,r6c0r6c1|30,r3c6r4c6r5c6r6c3r6c4r6c5r6c6|11,r5c8r6c7r6c8|0,r7c0r7c1|13,r7c2r7c3|18,r7c4r7c5r8c4|0,r8c0r8c1|7,r8c2r8c3|16,r7c6r8c5r8c6|14,r7c7r7c8r8c7r8c8", "solution": "276849135548317269319562874195483627462751398783296451837125946654938712921674583", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16543, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16546, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-06-01", "puzzle": 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"17,r0c0r0c1r1c0|0,r0c4r0c5r0c6r1c6|8,r0c2r1c2|0,r0c3r1c3|19,r0c7r0c8r1c7r1c8|16,r1c1r2c0r2c1r3c0|9,r2c2r2c3|16,r1c4r2c4|15,r3c1r3c2r3c3|0,r1c5r2c5r2c6r3c6r3c7|25,r2c7r2c8r3c8r4c8|7,r4c1r5c1|17,r4c2r4c3|21,r3c4r3c5r4c4r4c5|6,r4c6r4c7|14,r4c0r5c0|0,r5c4r6c4|0,r5c6r6c6|8,r5c7r5c8|10,r6c0r6c1|24,r5c2r5c3r6c2r6c3|0,r5c5r6c5r7c5|0,r6c7r6c8|3,r7c2r8c2|0,r7c3r7c4|0,r7c6r7c7r8c5r8c6|23,r7c8r8c7r8c8|0,r7c0r7c1r8c0r8c1|0,r8c3r8c4", "solution": "723485691845196372196372584234857916518963427967241853379628145682514739451739268", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16728, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16733, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2018-07-08", "puzzle": 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"15,r0c2r0c3r0c4|38,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|7,r1c3r1c4|0,r0c5r1c5|14,r0c6r0c7r1c6r1c7|9,r0c8r1c8|23,r2c4r2c5r2c6r3c6|17,r2c7r2c8|15,r2c0r3c0r4c0|0,r2c3r3c2r3c3|0,r3c4r3c5|8,r3c1r4c1|13,r4c4r4c5r5c4|9,r3c7r4c7|4,r3c8r4c8|6,r5c0r5c1|0,r4c2r5c2r6c2r6c3|0,r4c3r5c3|30,r4c6r5c5r5c6r6c4r6c5r6c6|14,r6c0r6c1r7c0r7c1|0,r5c7r6c7|0,r5c8r6c8|0,r7c3r7c4|0,r7c5r7c6|16,r8c0r8c1|0,r7c2r8c2|0,r8c3r8c4|5,r8c5r8c6|0,r7c7r7c8r8c7r8c8", "solution": "576189432983524167124673598659217843837946251241835679462391785315768924798452316", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16732, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16730, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2018-07-08", "puzzle": 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"0,r0c3r0c4|24,r0c5r0c6r0c7r0c8|3,r0c0r1c0|11,r0c1r1c1|13,r0c2r1c2|15,r1c3r1c4|0,r1c5r1c6r1c7|0,r2c1r2c2r3c1|6,r2c3r2c4r3c4|21,r2c6r2c7r3c6|12,r1c8r2c8|12,r2c0r3c0|25,r3c7r3c8r4c8r5c7r5c8|15,r4c0r4c1|22,r3c2r3c3r4c2r5c2r5c3|9,r4c3r4c4|0,r4c6r4c7|11,r5c0r6c0|25,r2c5r3c5r4c5r5c5r6c5|17,r5c1r6c1r6c2|0,r5c4r6c3r6c4|0,r5c6r6c6r6c7|10,r6c8r7c8|0,r7c0r8c0|0,r7c1r8c1|7,r7c2r8c2|0,r7c3r7c4|0,r7c5r7c6r7c7|5,r8c3r8c4|20,r8c5r8c6r8c7r8c8", "solution": "136748952287695314549213678751934826963182745824567193378459261412876539695321487", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16738, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16739, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2018-07-10", "puzzle": 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"13,r0c1r0c2|8,r0c6r0c7|0,r0c0r1c0|11,r1c1r1c2|0,r0c3r1c3|20,r0c4r1c4r2c4|0,r0c5r1c5|12,r1c6r1c7|3,r0c8r1c8|0,r2c0r2c1|0,r2c2r2c3r3c2|18,r2c5r2c6r3c6|0,r2c7r2c8|30,r3c0r3c1r4c0r4c1r4c2|10,r3c3r3c4r3c5|23,r3c7r3c8r4c6r4c7r4c8|8,r5c0r5c1r5c2|11,r4c4r5c4|41,r4c3r4c5r5c3r5c5r6c3r6c4r6c5|16,r5c6r5c7r5c8|18,r6c1r6c2r7c1|0,r6c6r6c7r7c7|13,r6c0r7c0r8c0r8c1|9,r7c3r7c4r7c5|0,r6c8r7c8r8c7r8c8|0,r7c2r8c2|0,r8c3r8c4r8c5|5,r7c6r8c6", "solution": "794268531356791842821453976937514628648932715512687493273845169489126357165379284", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16742, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16741, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-07-10", "puzzle": "19,r0c2r0c3r0c4r0c5r0c6|19,r0c7r0c8r1c7r1c8r2c8|25,r0c0r0c1r1c0r2c0r3c0|20,r1c1r1c2r2c1r2c2|8,r1c3r2c3|34,r1c4r1c5r1c6r2c4r2c5|13,r2c6r2c7|10,r3c2r3c3|17,r3c5r3c6|22,r3c1r4c0r4c1r5c1|6,r4c2r4c3|15,r3c4r4c4r5c4|4,r4c5r4c6|17,r3c7r4c7r5c7|12,r3c8r4c8r5c8|9,r5c2r5c3|11,r5c5r5c6|16,r6c3r7c3|20,r6c4r6c5r7c4r7c5r7c6|10,r6c6r6c7|27,r5c0r6c0r7c0r8c0r8c1|18,r6c1r6c2r7c1r7c2|21,r8c2r8c3r8c4r8c5r8c6|32,r6c8r7c7r7c8r8c7r8c8", "solution": "493612758857394621162587943376459812584271396921836574718923465245768139639145287", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16741, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16745, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2018-07-11", "puzzle": "22,r0c0r0c1r1c0r1c1|17,r0c7r0c8|9,r0c2r1c2|16,r0c3r0c4r0c5r1c3|10,r1c4r1c5|13,r0c6r1c6r1c7r2c6|8,r2c0r2c1|23,r2c2r2c3r3c2r3c3|10,r1c8r2c8|19,r3c0r3c1r4c0r5c0|21,r2c4r2c5r3c4|7,r2c7r3c7|16,r4c2r4c3r5c2|15,r3c6r4c6|21,r3c8r4c7r4c8r5c8r6c8|9,r4c1r5c1|20,r3c5r4c4r4c5r5c3r5c4|29,r6c0r6c1r6c2r7c1|8,r6c3r6c4|17,r5c5r5c6r6c5r6c6|10,r5c7r6c7|8,r7c2r7c3|12,r7c5r7c6|8,r7c0r8c0|7,r8c1r8c2|26,r7c4r8c3r8c4r8c5r8c6|24,r7c7r7c8r8c7r8c8", "solution": "324156798895473216176298354517849623432615987968327541789531462251764839643982175", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16745, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16743, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2018-07-10", "puzzle": "18,r0c0r0c1r1c0|0,r0c2r0c3|0,r0c4r0c5r1c4|5,r1c1r1c2|0,r1c5r2c5r3c5|21,r0c6r0c7r1c6|11,r0c8r1c8|13,r2c1r2c2|0,r1c3r2c3|7,r1c7r2c7|21,r2c0r3c0r3c1r3c2|0,r2c6r3c6r3c7r4c6|18,r2c8r3c8r4c7r4c8|9,r3c3r4c3|10,r4c5r5c5|18,r4c0r4c1r5c0r6c0|0,r4c2r5c1r5c2r6c2|0,r2c4r3c4r4c4r5c4r6c4|22,r5c6r5c7r5c8r6c8|8,r6c1r7c1|3,r6c5r7c5|15,r6c6r6c7|0,r7c0r8c0|17,r7c2r8c1r8c2|0,r5c3r6c3r7c3|5,r7c6r7c7|19,r7c4r8c3r8c4|10,r8c5r8c6|20,r7c8r8c7r8c8", "solution": "692418573341257968758963412824195637139876245567324891915632784476581329283749156", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16743, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16744, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2018-07-11", "puzzle": 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"18,r0c0r0c1r0c2|5,r0c4r0c5|12,r0c6r0c7|7,r0c3r1c3|12,r1c4r1c5|13,r0c8r1c8r2c8|17,r1c0r2c0|7,r1c1r1c2r2c1|11,r2c2r2c3|13,r2c4r2c5|18,r1c6r1c7r2c6|4,r3c0r3c1|20,r3c2r3c3r4c2|7,r3c4r3c5|17,r2c7r3c6r3c7|15,r4c0r4c1r5c0|16,r4c3r4c4r4c5|13,r3c8r4c7r4c8|11,r5c1r5c2r6c1|15,r5c3r5c4|6,r4c6r5c5r5c6|14,r5c7r5c8|17,r6c2r7c1r7c2|13,r6c3r6c4|12,r6c5r6c6|14,r6c7r7c6r7c7|11,r6c8r7c8|14,r6c0r7c0r8c0|7,r7c3r7c4|6,r7c5r8c5|13,r8c1r8c2|11,r8c3r8c4|16,r8c6r8c7r8c8", "solution": "675214938821539674943867521139452786587196243264783195312678459796345812458921367", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16834, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16835, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2018-07-29", "puzzle": "14,r0c0r0c1r0c2|21,r0c4r0c5r1c4r1c5|13,r1c0r1c1|19,r0c3r1c3r2c3r2c4|13,r0c6r1c6|8,r0c7r1c7|12,r0c8r1c8|13,r2c0r2c1|5,r1c2r2c2|11,r2c7r2c8|24,r3c0r3c1r4c0r5c0r5c1|11,r3c2r3c3|9,r3c4r4c4r5c4|19,r3c6r3c7r3c8|15,r4c1r4c2r4c3|10,r4c6r4c7r4c8|10,r5c2r5c3|16,r5c6r5c7r5c8|6,r6c0r6c1|13,r6c2r7c2|39,r2c5r2c6r3c5r4c5r5c5r6c5r6c6|9,r6c7r6c8|11,r7c0r7c1|23,r6c3r6c4r7c3r8c3|12,r7c6r8c6|7,r7c7r8c7|14,r7c8r8c8|15,r8c0r8c1r8c2|13,r7c4r7c5r8c4r8c5", "solution": "293164758581792634674385192342917586965438271718256943156849327837521469429673815", "extra": "{\"grid_size\": 9, \"puzzle_number\": 16835, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 16836, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-07-29", "puzzle": 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"0,r0c5r0c6|8,r0c0r1c0|13,r0c1r1c1|8,r0c2r1c2|29,r0c3r0c4r1c3r1c4|4,r1c5r1c6|0,r0c7r0c8r1c7r1c8|10,r2c0r2c1r3c1|0,r2c2r2c3|0,r2c7r3c7|9,r2c8r3c8|24,r2c5r2c6r3c5r3c6|11,r3c0r4c0r5c0|22,r3c2r4c1r4c2|33,r2c4r3c3r3c4r4c4r4c5r4c6r5c5|10,r5c1r5c2|0,r4c3r5c3r5c4|0,r5c6r6c6|20,r4c7r4c8r5c7r5c8|4,r6c3r7c3|19,r6c4r6c5r7c4|0,r6c7r6c8|23,r6c0r6c1r6c2r7c2r8c2|8,r7c5r7c6r8c6|10,r7c7r7c8|0,r7c0r7c1r8c0r8c1|17,r8c3r8c4r8c5|0,r8c7r8c8", "solution": "342956817596871342718423956629518473485237691137649528964182735871395264253764189", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17077, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17079, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2018-09-16", "puzzle": 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"16,r0c0r1c0|13,r0c1r0c2r1c1|41,r0c3r0c4r0c5r1c2r1c3r1c4r1c5r1c6|14,r0c6r0c7r1c7|6,r0c8r1c8|7,r2c0r2c1|12,r2c2r2c3r3c3|18,r2c5r2c6r3c5|13,r2c7r2c8|18,r3c1r3c2r4c2r5c2|17,r2c4r3c4|17,r3c6r3c7r4c6r5c6|13,r3c0r4c0|11,r4c3r4c4r4c5|12,r3c8r4c8|14,r4c1r5c0r5c1|12,r5c3r5c4r5c5|16,r4c7r5c7r5c8|30,r6c0r6c1r7c0r7c1r8c0|15,r6c3r6c4r6c5|17,r6c7r6c8r7c7r7c8r8c8|15,r6c2r7c2r8c1r8c2|14,r7c3r8c3|13,r7c4r8c4|3,r7c5r8c5|28,r6c6r7c6r8c6r8c7", "solution": "946137285738625941251489376824796153573218469169354728692843517485971632317562894", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17410, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17411, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-11-21", "puzzle": "20,r0c0r0c1r0c2r1c1r1c2|29,r1c3r1c4r1c5r2c3r2c4|24,r0c3r0c4r0c5r0c6r1c6|21,r0c7r0c8r1c7r1c8|18,r1c0r2c0r3c0|17,r2c5r2c6r3c5r3c6|29,r2c7r2c8r3c8r4c8r5c8|14,r2c1r3c1|8,r2c2r3c2|26,r3c3r3c4r4c4r4c5r5c5|24,r3c7r4c6r4c7r5c6r5c7|7,r4c0r4c1|7,r4c2r4c3|16,r5c0r5c1|7,r5c4r6c4|39,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|16,r5c2r5c3r6c2r6c3|11,r6c5r6c6|15,r7c3r8c3|7,r7c4r8c4|10,r7c5r7c6|26,r6c7r6c8r7c7r7c8r8c8|14,r8c5r8c6r8c7", "solution": "392815764815764392467392158681279543523486917974153826136527489759648231248931675", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17411, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17412, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2018-11-21", "puzzle": 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"13,r0c2r0c3|16,r0c6r0c7r0c8|12,r0c0r0c1r1c0|28,r0c4r1c4r2c4r2c5r3c4|9,r0c5r1c5r1c6|20,r1c1r1c2r1c3r2c1r3c1|30,r2c2r2c3r3c2r3c3|10,r2c0r3c0|13,r2c7r3c7r4c7r5c7|18,r4c0r4c1r4c2r4c3r5c2|26,r3c5r4c4r4c5r5c3r5c4r5c5|30,r1c7r1c8r2c8r3c8r4c8|23,r5c0r5c1r6c1|22,r2c6r3c6r4c6r5c6|20,r6c2r6c3r6c4r6c5|16,r6c0r7c0r8c0|19,r7c2r7c3r7c4r7c5|21,r6c6r6c7r7c6|37,r5c8r6c8r7c7r7c8r8c5r8c6r8c7r8c8|22,r7c1r8c1r8c2r8c3r8c4", "solution": "239465187754891362618732459426983715173256948985174236362549871597318624841627593", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17421, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17422, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2018-11-23", "puzzle": 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"11,r0c3r0c4|6,r0c5r0c6|16,r0c0r0c1r1c0r1c1|11,r0c2r1c2|24,r1c4r1c5r1c6|22,r0c7r0c8r1c7r1c8r2c8|20,r1c3r2c2r2c3r3c3|9,r2c5r2c6r3c6|10,r2c0r3c0|19,r2c1r3c1r3c2|18,r2c4r3c4r3c5|10,r2c7r3c7|13,r4c0r4c1|7,r4c2r4c3|6,r4c4r4c5|10,r4c6r4c7|21,r3c8r4c8r5c8|13,r5c0r6c0|12,r5c1r5c2r6c1|17,r5c4r5c5r6c4|10,r5c7r6c7|16,r5c3r6c2r6c3r7c3|20,r5c6r6c5r6c6|23,r7c0r7c1r8c0r8c1|10,r7c2r8c2|16,r7c4r7c5r7c6|20,r6c8r7c7r7c8r8c7r8c8|11,r8c3r8c4|4,r8c5r8c6", "solution": "195382467426597831873461295239875614581624379647139528714256983352918746968743152", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17424, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17425, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2018-11-24", "puzzle": "10,r0c0r0c1r0c2|9,r0c5r0c6|18,r1c0r1c1r1c2|23,r0c3r1c3r2c2r2c3|12,r0c4r1c4r2c4|7,r1c5r1c6|29,r0c7r0c8r1c7r1c8|20,r2c5r2c6r3c6|12,r2c7r2c8r3c8|19,r2c0r2c1r3c0r3c1|11,r3c2r3c3|9,r3c4r3c5|22,r4c0r4c1r4c2r5c1|13,r4c3r4c4r4c5|14,r3c7r4c6r4c7r4c8|11,r5c3r5c4|15,r5c5r5c6|20,r5c7r5c8r6c7r6c8|15,r5c0r6c0r6c1|19,r5c2r6c2r6c3|18,r7c0r7c1r8c0r8c1|7,r7c2r7c3|18,r6c4r7c4r8c4|16,r6c5r6c6r7c5r8c5|17,r7c6r7c7r7c8|4,r8c2r8c3|17,r8c6r8c7r8c8", "solution": "361285497972614385458739621287463519649571238135928746596842173814357962723196854", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17425, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17426, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-11-24", "puzzle": "28,r0c1r0c2r1c1r1c2r1c3r2c1|29,r0c6r0c7r1c5r1c6r1c7r2c7|11,r0c0r1c0|17,r0c8r1c8|10,r2c2r2c3|21,r0c3r0c4r0c5r1c4r2c4|5,r2c5r2c6|15,r2c0r3c0r4c0|13,r3c1r4c1|12,r3c3r3c4r3c5|9,r3c7r4c7|15,r2c8r3c8r4c8|12,r3c2r4c2r4c3|20,r3c6r4c5r4c6|14,r5c2r5c3r6c3r7c3|11,r4c4r5c4|24,r5c5r5c6r6c5r7c5|16,r5c0r6c0|10,r5c1r6c1|10,r5c7r6c7|8,r5c8r6c8|16,r6c2r7c1r7c2|13,r6c4r7c4|16,r6c6r7c6r7c7|3,r7c0r8c0|42,r8c1r8c2r8c3r8c4r8c5r8c6r8c7|5,r7c8r8c8", "solution": "519326748674518329823794156482651937351987462967432815748165293135279684296843571", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17426, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17427, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2018-11-24", "puzzle": "0,r0c0r0c1|0,r0c6r1c6r2c6|0,r1c0r1c1r2c0|18,r0c2r0c3r1c2|6,r0c4r1c4|0,r0c5r1c5|4,r0c7r1c7|10,r0c8r1c8|0,r1c3r2c3|0,r2c4r2c5|14,r2c7r2c8|0,r3c0r4c0|0,r2c1r2c2r3c1r3c2|0,r3c5r3c6|0,r4c1r5c0r5c1|12,r3c3r4c2r4c3|0,r3c4r4c4r5c4|0,r4c5r4c6r5c5|0,r3c7r3c8r4c7|0,r5c2r5c3|18,r5c6r5c7r6c6r6c7|17,r4c8r5c8|0,r6c0r6c1|0,r6c3r6c4|0,r6c5r7c5|0,r7c0r8c0|10,r7c1r8c1|8,r7c3r8c3|13,r7c4r8c4|9,r7c6r8c5r8c6|0,r6c8r7c7r7c8|0,r6c2r7c2r8c2|0,r8c7r8c8", "solution": "943852716527916834681734295239478651165329478874561329356187942798245163412693587", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17427, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17431, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-11-25", "puzzle": 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"13,r0c0r0c1|14,r0c6r0c7r1c7|12,r1c0r1c1r2c0|28,r0c2r0c3r0c4r1c2r1c4|5,r0c5r1c5|8,r0c8r1c8|25,r1c3r2c2r2c3r3c3|15,r1c6r2c6r2c7|14,r2c1r3c0r3c1|25,r2c4r3c4r4c4r5c4r6c4|13,r2c5r3c5r4c5|11,r3c6r3c7|11,r2c8r3c8|6,r4c0r4c1|11,r3c2r4c2|15,r4c6r5c6|13,r4c7r4c8|8,r5c0r6c0|10,r5c1r5c2|17,r4c3r5c3r6c3|10,r5c7r5c8r6c7|15,r6c1r6c2r7c2|21,r5c5r6c5r6c6r7c5|16,r7c0r8c0|7,r7c3r8c3|25,r7c4r7c6r8c4r8c5r8c6|11,r6c8r7c7r7c8|12,r7c1r8c1r8c2|14,r8c7r8c8", "solution": "495281637387964251126375498849712563512836749673459812268593174731648925954127386", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17440, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17441, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2018-11-27", "puzzle": 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"12,r0c0r0c1|14,r0c2r0c3r0c4|12,r0c5r0c6r0c7|11,r1c0r1c1|5,r1c2r1c3|19,r1c4r1c5r2c5|10,r0c8r1c8|17,r2c0r2c1r2c2|14,r1c6r2c6|11,r1c7r2c7|16,r3c0r3c1r3c2|12,r2c3r3c3|11,r2c4r3c4r3c5|15,r2c8r3c8r4c8|13,r4c1r5c1|10,r4c2r5c2|13,r4c3r4c4r4c5|6,r3c6r4c6|11,r3c7r4c7|9,r4c0r5c0r6c0|20,r5c3r5c4r6c4|12,r5c5r6c5|17,r5c6r5c7r5c8|11,r6c1r7c1|8,r6c2r7c2|10,r6c6r6c7r6c8|9,r7c0r8c0|11,r6c3r7c3r7c4|14,r7c5r7c6|15,r7c7r7c8|15,r8c1r8c2r8c3|14,r8c4r8c5r8c6|8,r8c7r8c8", "solution": "934826157561479823728513694619782435457931286283654719376298541142365978895147362", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17519, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17520, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2018-12-13", "puzzle": 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"16,r0c0r0c1r1c0|9,r0c2r0c3|15,r0c4r0c5r1c5|18,r0c6r0c7r1c6|6,r0c8r1c8|18,r1c1r1c2r2c1r2c2|13,r1c3r1c4r2c3|24,r2c5r2c6r3c5r4c5|29,r1c7r2c7r3c7r4c7r5c7|9,r2c0r3c0|19,r3c1r3c2r4c1|9,r2c8r3c8|27,r2c4r3c3r3c4r4c2r4c3r4c4|6,r3c6r4c6|20,r4c0r5c0r5c1|9,r4c8r5c8|13,r5c2r5c3r5c4r6c2|12,r6c3r6c4|15,r5c5r5c6r6c5|15,r6c0r6c1r7c0|27,r7c1r7c2r7c3r7c4r7c5|14,r6c6r6c7r7c6r7c7|31,r6c8r7c8r8c6r8c7r8c8|6,r8c0r8c1|11,r8c2r8c3|14,r8c4r8c5", "solution": "935462871428197365617358492346819527592743186871625943764931258283574619159286734", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17521, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17522, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2018-12-13", "puzzle": "18,r0c0r0c1r1c0|17,r0c2r0c3r0c4|10,r0c5r0c6|19,r1c1r1c2r1c3|0,r1c4r1c5|25,r0c7r0c8r1c6r1c7r1c8r2c7|7,r2c0r2c1|18,r2c2r2c3r2c4|7,r2c8r3c8|17,r3c0r3c1|3,r3c2r3c3|0,r3c4r4c4r4c5|0,r2c5r2c6r3c5r3c6|0,r3c7r4c7|13,r4c0r4c1r5c1|0,r4c2r4c3r5c3r5c4r6c4|10,r5c5r6c5|8,r4c6r5c6r6c6|0,r4c8r5c8r6c8|0,r5c0r6c0r6c1|16,r5c2r6c2r6c3|15,r5c7r6c7r7c7|21,r7c0r7c1r8c0r8c1|11,r7c3r7c4r8c4|13,r7c5r8c5|0,r7c6r8c6|0,r7c8r8c7r8c8|13,r7c2r8c2r8c3", "solution": "386471925749625318521893764892156473465387291137942586274568139653719842918234657", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17522, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17523, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2018-12-13", "puzzle": 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"20,r0c0r0c1r1c1|12,r0c2r0c3r0c4|16,r0c5r0c6r0c7|15,r1c3r1c4|11,r1c5r1c6r1c7|10,r0c8r1c8|11,r1c0r2c0r2c1|14,r1c2r2c2r2c3|10,r2c7r2c8|7,r3c1r4c1|13,r3c2r4c2r5c2|6,r2c4r3c4|13,r2c5r2c6r3c5|17,r3c6r3c7r3c8|16,r3c0r4c0|17,r3c3r4c3|5,r4c6r4c7|9,r5c0r5c1|7,r4c4r5c4|12,r4c5r5c5|21,r5c6r5c7r6c6|7,r4c8r5c8|7,r6c1r6c2|10,r5c3r6c3|16,r6c4r6c5|11,r6c0r7c0r8c0|14,r7c3r7c4r8c3|3,r7c5r7c6|12,r6c7r7c7|12,r6c8r7c8|10,r7c1r8c1|17,r7c2r8c2|10,r8c4r8c5|14,r8c6r8c7r8c8", "solution": "382194756195786324647253891754912638926837415813645972261479583578361249439528167", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17714, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17715, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2019-01-21", "puzzle": 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"9,r0c2r0c3|0,r0c5r0c6|20,r0c7r0c8r1c8r2c8|15,r0c0r1c0r2c0r3c0|19,r0c1r1c1r2c1r3c1r4c1|0,r0c4r1c3r1c4r1c5r1c6r1c7|14,r1c2r2c2|0,r2c3r2c4|0,r2c5r2c6r3c6|24,r3c2r3c3r4c2|14,r2c7r3c7|11,r4c0r5c0|8,r4c3r5c3|19,r3c4r4c4r5c4|0,r3c5r4c5|9,r3c8r4c8|0,r5c1r6c1|0,r4c6r5c5r5c6|11,r5c2r6c2r6c3|5,r6c4r6c5|13,r6c6r7c6|0,r7c1r7c2r7c3r7c4r7c5r8c4|0,r4c7r5c7r6c7r7c7r8c7|22,r5c8r6c8r7c8r8c8|26,r6c0r7c0r8c0r8c1|13,r8c2r8c3|6,r8c5r8c6", "solution": "195423768726189345438756291319862457547391682682547913253614879961278534874935126", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17718, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17719, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2019-01-22", "puzzle": "12,r0c0r0c1r1c0r2c0|18,r0c5r0c6r0c7r1c7|15,r0c2r1c2|7,r0c3r1c3|16,r0c4r1c4|7,r1c5r1c6|12,r0c8r1c8|15,r1c1r2c1|11,r2c2r2c3|12,r2c5r2c6r2c7|5,r3c2r3c3|15,r2c4r3c4r3c5|18,r3c0r4c0r5c0|11,r3c1r4c1r5c1|10,r4c2r4c3|7,r4c4r4c5|16,r3c6r4c6r5c6|14,r5c2r5c3|19,r5c4r5c5r6c4|40,r2c8r3c7r3c8r4c7r4c8r5c7r5c8r6c8|9,r6c1r7c1|7,r6c2r6c3|21,r6c5r6c6r6c7|10,r7c2r8c2|11,r7c3r8c3|5,r7c4r8c4|4,r7c5r7c6|14,r7c8r8c8|25,r6c0r7c0r8c0r8c1|19,r7c7r8c5r8c6r8c7", "solution": "419276835286593417573814629924168573167352984835947261341689752758421396692735148", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17719, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17720, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2019-01-22", "puzzle": 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"6,r0c3r0c4|13,r0c6r0c7r1c6|17,r0c0r0c1r1c0|28,r0c2r1c1r1c2r2c0r2c1r2c2|0,r0c5r1c5r2c5|15,r0c8r1c8|15,r1c3r2c3|10,r1c4r2c4|0,r1c7r2c7r3c7|6,r3c1r3c2|24,r3c3r3c4r4c3r4c4|23,r2c6r3c6r4c6|6,r2c8r3c8|0,r3c0r4c0|12,r4c1r4c2|9,r4c7r4c8|0,r5c0r5c1r5c2|0,r3c5r4c5r5c3r5c4r5c5|0,r5c6r5c7r5c8r6c8|0,r6c2r6c3r6c4|0,r6c5r7c5r8c5r8c6|15,r6c6r6c7r7c6r7c7|0,r6c0r6c1r7c0|12,r7c1r7c2r7c3|10,r8c0r8c1|8,r8c2r8c3|0,r7c4r8c4|21,r7c8r8c7r8c8", "solution": "794513268126849537358762941642397815539481672871256493283974156915638724467125389", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17732, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17733, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2019-01-24", "puzzle": "12,r0c0r0c1|26,r0c7r0c8r1c8r2c8|16,r1c0r1c1|0,r0c2r0c3r0c4r0c5r1c2|5,r1c3r1c4|0,r0c6r1c5r1c6r1c7r2c5|0,r2c1r2c2|16,r2c3r2c4r3c4|0,r2c6r2c7|0,r2c0r3c0r3c1|8,r4c0r5c0|17,r4c1r5c1|13,r3c2r4c2r5c2r5c3|32,r3c3r4c3r4c4r4c5r5c5|0,r3c5r3c6r4c6r5c6|9,r3c7r4c7|0,r3c8r4c8|0,r5c7r5c8r6c8|11,r6c1r6c2|16,r5c4r6c4r6c5|0,r6c6r6c7|31,r6c3r7c1r7c2r7c3r8c2|15,r7c4r7c5|19,r7c6r8c3r8c4r8c5r8c6|4,r7c7r7c8|16,r6c0r7c0r8c0r8c1|11,r8c7r8c8", "solution": "841265397973418652265937148712643985596782413384159726138574269427896531659321874", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17733, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17728, "game_type": "killer_sudoku_gt", "difficulty": "7", "puzzle_date": "2019-01-23", "puzzle": 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"16,r0c0r0c1|14,r0c7r0c8|6,r1c0r1c1|4,r0c2r1c2|28,r0c3r0c4r0c5r1c3r1c4r1c5|12,r0c6r1c6|10,r1c7r1c8|11,r2c1r2c2|7,r2c6r2c7|13,r2c0r3c0|18,r3c1r3c2r4c2|9,r2c3r3c3|13,r2c4r3c4|12,r2c5r3c5|11,r3c6r3c7r4c6|6,r2c8r3c8|14,r4c0r4c1r5c0r6c0|18,r4c3r4c4r4c5|19,r4c7r4c8r5c8r6c8|13,r5c3r5c4r5c5r6c4|16,r7c0r7c1r8c0|36,r5c1r5c2r6c1r6c2r6c3r7c2|20,r7c3r7c4r7c5r8c4|35,r5c6r5c7r6c5r6c6r6c7r7c6|15,r7c7r7c8r8c8|12,r8c1r8c2r8c3|17,r8c5r8c6r8c7", "solution": "971342568243658719856179342597863124312594876468217935629735481784921653135486297", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17730, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17731, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-01-24", "puzzle": 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"14,r0c2r0c3|24,r0c4r0c5r1c4r2c4|20,r0c6r0c7r0c8r1c8|5,r0c1r1c1|14,r1c2r1c3|16,r0c0r1c0r2c0r2c1|28,r1c6r1c7r2c6r2c7r3c7|6,r3c0r3c1|21,r2c2r3c2r4c2r5c2r6c2|18,r2c3r3c3r4c3r5c3r6c3|23,r1c5r2c5r3c5r3c6|26,r2c8r3c8r4c8r5c8r6c8|10,r4c0r4c1|17,r3c4r4c4r5c4|17,r4c5r4c6r4c7|17,r5c0r5c1|15,r5c5r5c6r6c5r7c5|24,r6c0r6c1r7c0r8c0|24,r5c7r6c6r6c7r7c6r7c7|12,r7c1r8c1|13,r7c2r7c3|10,r8c2r8c3|16,r6c4r7c4r8c4r8c5|15,r7c8r8c6r8c7r8c8", "solution": "518694372249537168367182495421365987735849621896271534682453719174926853953718246", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17736, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17734, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2019-01-25", "puzzle": "10,r0c0r0c1|5,r0c2r0c3|19,r0c6r0c7r0c8|20,r1c0r1c1r2c0|5,r1c2r1c3|14,r0c4r1c4|6,r0c5r1c5|11,r1c6r2c6r3c6|21,r2c2r2c3r2c4|15,r1c7r2c7r3c7|10,r1c8r2c8r3c8|7,r2c1r3c1|12,r3c3r3c4|9,r2c5r3c5|10,r3c0r4c0|21,r3c2r4c1r4c2|8,r4c3r4c4r4c5|21,r4c6r4c7r5c6|13,r4c8r5c8|12,r5c3r6c3|10,r5c4r5c5|7,r5c7r6c7|8,r5c0r6c0r7c0|22,r5c1r6c1r7c1|16,r6c4r6c5r6c6|17,r5c2r6c2r7c2|11,r7c3r8c3|9,r7c4r8c4|13,r7c5r7c6|10,r6c8r7c7r7c8|11,r8c0r8c1r8c2|10,r8c5r8c6|12,r8c7r8c8", "solution": "821465397973281456465793281719846523348152679256937814594318762187624935632579148", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17734, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17735, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2019-01-25", "puzzle": 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"15,r0c3r0c4r0c5|11,r0c0r1c0|15,r0c1r0c2r1c1|39,r1c2r1c3r1c4r1c5r1c6r2c3r2c4r2c5|16,r0c6r0c7r1c7|10,r0c8r1c8|12,r2c0r2c1|10,r2c7r2c8|7,r3c0r3c1|20,r2c2r3c2r3c3|10,r3c4r4c4|14,r2c6r3c5r3c6|10,r3c7r3c8|16,r4c0r4c1r5c0|28,r4c2r4c3r5c3r6c3r7c3|26,r4c5r4c6r5c5r6c5r7c5|17,r4c7r4c8r5c8|13,r5c1r6c1|13,r5c2r6c2|9,r5c6r6c6|5,r5c7r6c7|13,r7c1r7c2|12,r5c4r6c4r7c4|9,r7c6r7c7|12,r6c0r7c0r8c0|33,r8c1r8c2r8c3r8c4r8c5r8c6r8c7|10,r6c8r7c8r8c8", "solution": "937186254251743896486259173349517628812694735765328419678932541194875362523461987", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17811, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17814, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2019-02-10", "puzzle": 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"16,r0c2r0c3|5,r0c4r0c5|12,r0c7r0c8r1c7|11,r0c0r0c1r1c0|6,r1c1r1c2|14,r1c4r1c5|21,r0c6r1c6r2c6|19,r2c0r2c1r2c2|5,r1c3r2c3|14,r2c4r2c5|11,r1c8r2c8|8,r3c2r3c3r3c4|14,r3c5r3c6|8,r2c7r3c7|23,r3c0r4c0r5c0|13,r3c1r4c1r4c2|14,r4c3r4c4r4c5|12,r4c6r4c7r5c7|17,r3c8r4c8r5c8|10,r5c1r6c1|13,r5c2r5c3|13,r5c4r5c5r5c6|6,r6c0r7c0|6,r6c3r6c4|13,r6c5r7c5|12,r6c6r6c7r6c8|12,r6c2r7c2r8c2|17,r7c3r7c4|7,r7c6r7c7|17,r7c8r8c7r8c8|18,r7c1r8c0r8c1|8,r8c3r8c4|10,r8c5r8c6", "solution": "269714835351268749478395612823149576947653128615872493596427381134986257782531964", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17899, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17900, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2019-02-27", "puzzle": 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"5,r0c7r0c8|20,r0c0r0c1r0c2r1c0r2c0|18,r0c3r0c4r1c4|11,r0c5r1c5|11,r0c6r1c6|16,r1c1r1c2r2c1|17,r2c5r2c6r3c5|13,r1c7r2c7|11,r1c8r2c8|27,r1c3r2c2r2c3r3c1r3c2|15,r3c6r3c7r3c8r4c8|14,r3c0r4c0r4c1|31,r2c4r3c3r3c4r4c2r4c3|11,r4c4r4c5r5c4r5c5|13,r5c0r5c1|28,r4c6r4c7r5c7r5c8|8,r6c0r6c1|9,r5c2r5c3r6c2|13,r5c6r6c5r6c6|7,r7c1r7c2|17,r6c3r7c3r8c3r8c4|23,r6c4r7c4r7c5r8c5|39,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|17,r7c0r8c0|11,r8c1r8c2", "solution": "286579314354162879179834562627948153538721946491653287712495638843216795965387421", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17901, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17904, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2019-02-28", "puzzle": "21,r0c0r0c1r1c0r1c1|31,r0c4r0c5r0c6r0c7r0c8|15,r0c2r0c3r1c2r1c3|8,r1c4r1c5r2c5|21,r1c6r1c7r2c6r3c6|10,r1c8r2c8|17,r2c0r2c1r3c0r3c1|20,r2c2r2c3r3c2|26,r2c4r3c3r3c4r3c5|3,r2c7r3c7|8,r4c0r5c0|11,r4c1r4c2|15,r4c3r4c4r4c5|13,r4c6r4c7|12,r3c8r4c8|16,r5c1r6c1|20,r5c3r5c4r5c5r6c4|12,r5c6r6c5r6c6|16,r5c7r5c8r6c7r6c8|10,r6c0r7c0|19,r5c2r6c2r7c1r7c2|17,r6c3r7c3r7c4|18,r7c5r7c6r8c5r8c6|22,r8c0r8c1r8c2r8c3r8c4|24,r7c7r7c8r8c7r8c8", "solution": "461387592927415683835692417519764328283159764674238951398571246752846139146923875", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17904, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17906, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-02-28", "puzzle": "16,r0c4r0c5r0c6|12,r0c0r0c1r1c0|16,r0c3r1c3r2c3|15,r1c4r1c5r1c6|9,r0c7r0c8r1c7|33,r0c2r1c1r1c2r2c0r2c1r2c2|13,r2c4r2c5|13,r1c8r2c8|15,r3c0r3c1r3c2|10,r2c6r3c6r4c6|16,r2c7r3c7r3c8|17,r3c3r3c4r4c3|18,r4c7r4c8r5c8|16,r4c0r5c0r6c0|21,r4c1r5c1r6c1|9,r4c2r5c2|28,r3c5r4c4r4c5r5c3r5c4r5c5|30,r5c6r5c7r6c5r6c6r7c5|9,r6c2r6c3r6c4|16,r6c7r7c6r7c7|13,r7c0r7c1r8c0|17,r7c2r7c3r8c3|12,r7c4r8c4r8c5|10,r8c1r8c2|21,r6c8r7c8r8c6r8c7r8c8", "solution": "718652934439781625526394718843175269652943187197268453971536842285417396364829571", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17906, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17905, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2019-02-28", "puzzle": "13,r0c0r0c1|3,r0c7r0c8|3,r1c0r1c1|16,r0c2r0c3r1c2|22,r0c4r1c3r1c4r1c5|18,r0c5r0c6r1c6|15,r1c7r1c8|26,r2c0r2c1r2c2r3c0|27,r2c6r2c7r2c8r3c8|13,r3c1r3c2|21,r2c3r2c4r2c5r3c3r3c4r3c5|3,r3c6r3c7|24,r4c2r4c3r4c4r4c5r4c6|19,r4c0r5c0r6c0r6c1|13,r4c1r5c1|16,r5c3r5c4r5c5|11,r4c7r5c7|21,r4c8r5c8r6c7r6c8|6,r5c2r6c2|11,r5c6r6c6|16,r7c0r7c1|4,r6c3r7c3|23,r6c4r7c4r8c4|9,r6c5r7c5|9,r7c7r7c8|16,r7c2r8c0r8c1r8c2r8c3|27,r7c6r8c5r8c6r8c7r8c8", "solution": "583679412217843596469521738758436129392718645641952873825194367974365281136287954", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17905, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17907, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-02-28", "puzzle": "10,r0c0r0c1|13,r0c2r0c3|0,r1c0r1c1|0,r1c2r1c3|0,r0c4r0c5r1c4|0,r1c6r2c6r2c7|0,r0c6r0c7r0c8r1c7r1c8r2c8|0,r2c2r2c3r3c2r3c3|0,r1c5r2c5|0,r2c0r3c0|5,r2c1r3c1|32,r2c4r3c4r3c5r4c5r4c6|0,r3c6r3c7|14,r4c1r4c2r5c1|13,r4c3r4c4r5c4|16,r3c8r4c7r4c8|8,r4c0r5c0|0,r5c2r5c3r6c2r6c3|25,r5c5r5c6r6c5r6c6|5,r5c7r6c7|13,r5c8r6c8|12,r6c0r6c1|6,r6c4r7c3r7c4|0,r7c2r8c2|17,r7c5r7c6|15,r7c7r8c7|7,r7c8r8c8|20,r7c0r7c1r8c0r8c1|11,r8c3r8c4|5,r8c5r8c6", "solution": "826741359579863241314295768948372615753416892162589437481937526635128974297654183", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17907, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17908, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2019-02-28", "puzzle": "11,r0c0r0c1|27,r0c4r0c5r0c6r1c4r1c6|18,r1c0r1c1r2c0|0,r0c2r1c2|14,r0c3r1c3|0,r0c7r1c7|5,r0c8r1c8|25,r2c1r2c2r3c1r3c2|0,r2c6r2c7|17,r1c5r2c4r2c5r3c4|4,r3c6r3c7|0,r2c8r3c8|0,r3c0r4c0r5c0|0,r4c1r4c2|20,r3c5r4c4r4c5r5c5|22,r4c6r4c7r4c8|24,r2c3r3c3r4c3r5c3r6c3|15,r5c4r6c4r6c5r7c5|12,r5c6r5c7|13,r5c8r6c8|21,r5c1r5c2r6c1r6c2|10,r6c6r6c7|23,r6c0r7c0r7c1|5,r7c2r8c2|7,r7c3r8c3|0,r7c7r8c7|0,r7c8r8c8|9,r8c0r8c1|0,r7c4r7c6r8c4r8c5r8c6", "solution": "562849731193627584847531926459768312318254697276913845935172468681495273724386159", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17908, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17909, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2019-03-01", "puzzle": 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"27,r0c0r0c1r1c0r1c1|21,r0c2r0c3r0c4r0c5|8,r0c6r0c7|12,r1c2r1c3|30,r1c5r1c6r1c7r2c5r2c6r2c7|12,r0c8r1c8r2c8|16,r2c2r2c3r3c2|10,r1c4r2c4|15,r2c0r3c0r4c0r5c0|10,r2c1r3c1|21,r3c3r3c4r3c5r4c3r5c3|25,r3c6r3c7r3c8r4c6r4c7r4c8|16,r4c1r4c2|17,r4c4r4c5r5c4|25,r5c5r5c6r6c5r6c6|14,r5c7r5c8r6c8|9,r6c0r7c0|26,r5c1r5c2r6c1r6c2r7c1r7c2|22,r6c3r6c4r7c3r7c4r8c3r8c4|18,r6c7r7c6r7c7|13,r8c0r8c1r8c2|18,r7c5r8c5r8c6|20,r7c8r8c7r8c8", "solution": "495862713867531924123974685684293571379185246512647839748359162256418397931726458", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17916, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17917, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-03-02", "puzzle": "11,r0c3r0c4|12,r0c6r0c7|0,r0c0r0c1r1c0r1c1r2c0|8,r0c2r1c2|0,r1c3r1c4r2c3r2c4|9,r0c5r1c5|9,r0c8r1c7r1c8|0,r2c1r2c2|24,r1c6r2c5r2c6|8,r2c7r2c8|0,r3c2r3c3|26,r3c7r3c8r4c8r5c7r5c8|0,r4c1r4c2r4c3|0,r3c5r3c6r4c5r5c5r5c6|8,r4c6r4c7|0,r3c0r3c1r4c0r5c0r5c1|0,r5c2r5c3|21,r3c4r4c4r5c4|0,r6c1r6c2|0,r6c5r6c6r7c6|6,r6c7r6c8|0,r6c0r7c0r7c1r8c0r8c1|0,r7c2r8c2|0,r6c3r6c4r7c3r7c4|0,r7c5r8c5|0,r7c7r7c8r8c8|10,r8c3r8c4|12,r8c6r8c7", "solution": "736295481892614753514738962951473628483562179627981534279346815368159247145827396", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17917, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17913, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-03-01", "puzzle": 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"20,r0c1r0c2r1c2|8,r0c5r0c6|15,r0c0r1c0r1c1|16,r0c3r0c4r1c3|0,r1c5r1c6|13,r0c7r1c7|20,r0c8r1c8r2c8|0,r2c0r2c1r2c2|0,r1c4r2c3r2c4r3c3|5,r2c6r2c7|8,r3c1r3c2r4c2|26,r2c5r3c5r3c6r3c7r3c8|21,r3c0r4c0r4c1|0,r3c4r4c3r4c4r4c5r5c4|21,r4c7r4c8r5c8|0,r5c0r5c1r5c2r5c3r6c3|0,r4c6r5c6r5c7|0,r6c1r6c2|0,r5c5r6c4r6c5r7c4|15,r6c6r6c7r6c8|13,r6c0r7c0r8c0|0,r7c1r8c1|14,r7c2r7c3|14,r7c5r8c4r8c5|7,r7c7r7c8r8c8|12,r8c2r8c3|23,r7c6r8c6r8c7", "solution": "147293568869514273523876149731689452954721386286345917492168735615937824378452691", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17918, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17919, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2019-03-03", "puzzle": "18,r0c4r0c5r0c6|9,r0c7r0c8r1c8|15,r0c0r1c0|7,r0c1r1c1|14,r0c2r0c3r1c2|6,r1c3r2c3r3c3|17,r2c0r2c1r2c2|7,r1c4r2c4|22,r1c5r1c6r2c5|18,r1c7r2c6r2c7|12,r2c8r3c8|10,r3c0r4c0|12,r3c1r3c2|5,r3c5r4c5|9,r3c6r4c6|8,r4c1r5c1|18,r3c4r4c4r5c4|6,r3c7r4c7|11,r4c2r5c2|12,r4c3r5c3|8,r5c6r5c7|14,r4c8r5c8|9,r5c0r6c0|14,r6c1r6c2r7c1|19,r6c3r7c2r7c3|9,r6c4r7c4|15,r6c6r6c7r6c8|15,r5c5r6c5r7c5|6,r7c6r8c5r8c6|14,r7c7r8c7|13,r7c8r8c8|13,r7c0r8c0r8c1|20,r8c2r8c3r8c4", "solution": "731849562845326971692157834957231648168794325423568719576912483314685297289473156", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17919, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17920, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2019-03-03", "puzzle": "27,r0c0r0c1r0c2r0c3r1c1|12,r0c4r0c5|13,r0c6r0c7|8,r1c3r1c4|21,r1c6r1c7r2c6|11,r0c8r1c8r2c8r3c8|23,r1c0r1c2r2c0r2c1r2c2|10,r1c5r2c5|10,r2c3r3c3|29,r2c4r3c4r4c4r5c4r6c4|12,r3c5r3c6r4c5|3,r2c7r3c7|13,r3c0r4c0|9,r3c1r4c1|10,r3c2r4c2|10,r4c6r5c6|17,r4c7r5c7|10,r4c8r5c8|3,r5c1r6c1|21,r4c3r5c2r5c3|14,r5c5r6c5|9,r6c3r7c3|27,r6c6r6c7r6c8r7c6r7c8|21,r5c0r6c0r7c0r8c0|18,r6c2r7c1r7c2|5,r7c4r7c5|7,r8c1r8c2|12,r8c3r8c4|20,r7c7r8c5r8c6r8c7r8c8", "solution": "293548671581267943467193825748936512652871394319425786126389457875614239934752168", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17920, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17914, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2019-03-02", "puzzle": "17,r0c0r0c1r0c2r0c3|9,r0c6r0c7|15,r1c0r1c1|7,r1c2r1c3|14,r0c4r1c4|8,r0c5r1c5|19,r0c8r1c7r1c8|11,r2c4r2c5|5,r1c6r2c6|26,r2c0r3c0r4c0r5c0r6c0|15,r2c1r3c1|23,r2c2r2c3r3c2r3c3r3c4|17,r3c5r3c6|7,r2c7r3c7|8,r2c8r3c8|10,r4c1r4c2r4c3|14,r4c4r4c5|12,r4c6r4c7r4c8|7,r5c1r6c1|29,r5c2r5c3r5c4r6c2r6c3|10,r5c5r5c6|8,r5c7r6c7|9,r5c8r6c8|9,r6c4r6c5|8,r6c6r7c6|8,r7c0r7c1|15,r7c2r7c3|4,r7c4r8c4|9,r7c5r8c5|22,r7c7r7c8r8c8|19,r8c0r8c1r8c2r8c3|11,r8c6r8c7", "solution": "541792368783456192296183457364579821917268534825341976458927613179634285632815749", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17914, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17921, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-03-03", "puzzle": "22,r0c2r0c3r0c4r1c4|11,r0c7r0c8|28,r0c0r0c1r1c0r1c1r1c2r2c0|29,r0c5r0c6r1c5r2c5r3c5|10,r1c3r2c2r2c3|29,r1c6r1c7r1c8r2c6r2c7|19,r2c1r3c1r3c2|15,r2c4r3c3r3c4|14,r2c8r3c7r3c8|12,r3c0r4c0r5c0|16,r4c1r4c2r4c3|28,r3c6r4c4r4c5r4c6r4c7r4c8r5c6|16,r5c1r5c2r6c1|17,r5c3r5c4r6c4|24,r5c7r5c8r6c8|21,r6c2r6c3r7c3|27,r6c6r6c7r7c6r7c7r7c8|21,r6c0r7c0r7c1r7c2r8c0r8c1|19,r5c5r6c5r7c5r8c5r8c6|21,r7c4r8c2r8c3r8c4|6,r8c7r8c8", "solution": "615729438742183956893645721137568294986274513254391687378452169421936875569817342", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17921, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17923, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-03-03", "puzzle": 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"9,r0c0r0c1r0c2|16,r0c3r0c4r0c5r1c3|0,r1c1r1c2|0,r1c4r1c5|10,r0c6r1c6|23,r0c7r0c8r1c7r1c8|12,r1c0r2c0r3c0|0,r2c2r2c3|11,r2c7r2c8|0,r2c1r3c1|8,r2c4r3c4|0,r2c5r2c6r3c5r3c6|15,r3c7r4c7|17,r3c2r4c2|12,r4c5r4c6|19,r3c8r4c8r5c7r5c8|5,r4c0r5c0|0,r4c1r5c1r6c1|21,r3c3r4c3r4c4r5c4r5c5|0,r5c6r6c6|20,r5c2r5c3r6c2r6c3|5,r6c4r6c5|0,r6c7r7c7|17,r7c2r7c3r7c4|14,r7c5r7c6|0,r6c8r7c8r8c8|33,r6c0r7c0r7c1r8c0r8c1r8c2|0,r8c3r8c4|0,r8c5r8c6r8c7", "solution": "513249786792186354486537129178654293259318467364792518941823675827465931635971842", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17933, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17932, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-03-05", "puzzle": 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"7,r0c0r0c1|17,r1c0r1c1|5,r0c2r1c2|16,r0c3r0c4r1c3r1c4|12,r0c5r1c5|14,r0c6r1c6|9,r0c7r1c7|10,r0c8r1c8|10,r2c1r2c2|24,r2c4r2c5r2c6r3c6|3,r2c7r2c8|16,r2c0r3c0r3c1|17,r2c3r3c2r3c3|13,r3c4r3c5|10,r4c1r4c2|20,r4c4r4c5r4c6r5c6|23,r3c7r3c8r4c7r4c8r5c7|6,r4c0r5c0|14,r5c1r5c2|10,r4c3r5c3r6c3|8,r5c4r5c5|14,r6c4r6c5r6c6|27,r5c8r6c8r7c8r8c8|14,r6c0r6c1r7c0|15,r6c2r7c1r7c2|18,r6c7r7c7r8c7|9,r8c0r8c1|31,r7c3r7c4r8c2r8c3r8c4|9,r7c5r8c5|4,r7c6r8c6", "solution": "521769843894123657673485912735894261419236785286517439148372596952641378367958124", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17934, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17935, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2019-03-06", "puzzle": 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"7,r0c4r0c5|9,r0c0r1c0|9,r0c1r1c1|17,r0c2r1c2|13,r0c3r1c3|8,r1c4r1c5|3,r0c6r1c6|18,r0c7r0c8r1c7|16,r2c2r2c3r3c2|13,r2c4r2c5r3c5|9,r2c6r2c7|17,r1c8r2c8r3c8|6,r2c0r2c1r3c0|14,r3c3r3c4|17,r3c6r3c7r4c6|24,r3c1r4c0r4c1|11,r4c3r4c4r4c5|9,r4c7r4c8r5c7|15,r4c2r5c1r5c2|10,r5c4r5c5|18,r5c8r6c7r6c8|19,r5c0r6c0r7c0|4,r6c1r6c2|16,r5c3r6c3r6c4|21,r5c6r6c5r6c6|18,r7c1r8c0r8c1|6,r7c2r8c2|13,r7c3r7c4|10,r7c5r8c5|11,r7c6r8c6|11,r7c7r8c7|6,r7c8r8c8|7,r8c3r8c4", "solution": "468952137539417286127836549381594672796128453245673918913285764854769321672341895", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17939, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17937, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-03-06", "puzzle": "0,r0c2r0c3r0c4|8,r0c5r0c6|0,r0c7r0c8r1c8r2c8|13,r0c0r1c0|26,r0c1r1c1r1c2r2c2|0,r2c0r2c1|0,r1c3r2c3|0,r1c4r2c4|0,r1c5r2c5|0,r1c6r2c6r3c6|0,r1c7r2c7|0,r3c0r3c1|12,r3c2r3c3|0,r3c4r3c5r4c4r5c4r5c5|0,r3c7r4c7r5c7|0,r4c0r4c1|0,r4c2r4c3|17,r4c5r4c6|13,r3c8r4c8r5c8|11,r5c0r5c1|15,r5c2r5c3|9,r6c0r6c1|0,r6c3r7c3|9,r6c4r7c4|12,r6c5r7c5|0,r5c6r6c6r7c6|0,r6c7r7c7|17,r7c0r8c0|0,r6c2r7c1r7c2r8c1|0,r8c2r8c3r8c4|0,r8c5r8c6|18,r6c8r7c8r8c7r8c8", "solution": "743152698689473152215698347194826573372549816568731924456317289937285461821964735", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17937, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17936, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-03-06", "puzzle": "10,r0c5r0c6|11,r0c0r1c0r2c0|4,r0c1r1c1|15,r0c2r1c2|5,r0c3r1c3|21,r0c4r1c4r1c5r1c6|26,r0c7r0c8r1c7r1c8|16,r2c1r2c2r3c2|8,r2c3r2c4|11,r2c8r3c8|21,r3c0r3c1r4c0|22,r2c5r2c6r3c5r3c6|11,r4c1r4c2r5c2|21,r3c3r3c4r4c4r4c5r5c5|12,r4c6r5c6|16,r2c7r3c7r4c7r4c8|12,r5c0r5c1|21,r4c3r5c3r5c4|7,r5c7r5c8|21,r6c0r6c1r6c2r7c2r8c2|12,r6c3r6c4r7c4|23,r6c5r6c6r7c6|9,r6c7r6c8|8,r7c3r8c3|16,r7c5r8c4r8c5|13,r7c7r7c8|24,r7c0r7c1r8c0r8c1|9,r8c6r8c7r8c8", "solution": "436198275519427386287536419861753942742961538395842761154389627673215894928674153", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17936, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17940, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2019-03-07", "puzzle": "21,r0c0r0c1r1c1r2c1r2c2|11,r0c2r0c3|7,r0c5r0c6|17,r1c2r1c3|4,r0c4r1c4|9,r1c5r1c6|23,r0c7r0c8r1c7r1c8|8,r1c0r2c0|22,r2c3r2c4r2c5|22,r2c6r2c7r2c8r3c8|34,r3c0r3c1r4c0r4c1r5c0r5c1|8,r3c2r3c3|13,r3c4r3c5|3,r3c6r3c7|11,r4c2r4c3|5,r4c4r4c5|17,r4c6r4c7r4c8|8,r5c2r5c3|11,r5c4r5c5|9,r5c6r5c7|16,r6c0r7c0|19,r6c3r6c4r6c5|20,r5c8r6c6r6c7r6c8|4,r7c2r7c3|11,r7c4r8c4|15,r7c5r7c6|18,r7c7r7c8r8c7r8c8|20,r6c1r6c2r7c1r8c0r8c1|9,r8c2r8c3|10,r8c5r8c6", "solution": "817435296649812735235769481483576129572941368196283547724658913961327854358194672", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17940, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17938, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-03-06", "puzzle": "8,r0c7r0c8|12,r0c0r0c1r1c0|0,r0c2r1c1r1c2|0,r0c3r1c3|32,r0c4r0c5r1c4r1c5r2c4r2c5|13,r0c6r1c6r1c7|0,r2c0r2c1r3c0|12,r2c6r2c7r3c7|15,r1c8r2c8|0,r2c2r3c1r3c2|9,r2c3r3c3r3c4|33,r3c5r3c6r4c5r5c5r5c6|10,r4c0r4c1|19,r4c2r4c3r4c4|11,r4c6r4c7|0,r3c8r4c8r5c8|0,r5c1r5c2r6c2|8,r5c3r5c4r6c3|15,r5c0r6c0r6c1|0,r5c7r6c6r6c7|13,r6c8r7c8|13,r7c0r8c0r8c1|18,r7c1r7c2r8c2|10,r7c3r8c3|0,r6c4r6c5r7c4r7c5r8c4r8c5|10,r7c6r7c7r8c6|0,r8c7r8c8", "solution": "439562817518749326762183459951628734823974561647315982275431698384296175196857243", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17938, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17942, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2019-03-07", "puzzle": "17,r0c0r0c1r1c0|9,r0c2r0c3|0,r0c4r0c5|0,r0c6r0c7r1c5r1c6r1c7|0,r0c8r1c8|20,r1c1r1c2r2c0r2c1|26,r1c3r1c4r2c3r2c4r2c5|0,r2c7r2c8|15,r2c2r3c2r3c3|0,r3c5r4c5r5c5|17,r2c6r3c6|0,r3c7r3c8|32,r3c0r3c1r4c0r5c0r5c1|10,r4c1r4c2|24,r3c4r4c3r4c4r5c4|0,r4c6r4c7r4c8|12,r5c2r5c3r6c2|0,r5c6r6c6|14,r5c7r5c8|19,r6c0r6c1r7c1r7c2|26,r6c3r6c4r6c5r7c3r7c4|9,r6c7r6c8|22,r7c5r7c6r7c7r8c6r8c7|17,r7c8r8c8|11,r7c0r8c0r8c1|0,r8c2r8c3|3,r8c4r8c5", "solution": "743628195689153724125749863372865941864291357591374286918536472236487519457912638", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17942, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17943, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-03-07", "puzzle": "20,r0c0r1c0r2c0|0,r0c1r1c1r2c1|4,r0c2r1c2|0,r0c3r0c4r0c5r1c3|18,r0c6r1c6r2c6|12,r0c7r1c7|3,r0c8r1c8|23,r2c2r2c3r3c2r3c3|10,r1c4r1c5r2c4r2c5|0,r3c5r3c6r4c5r4c6|13,r2c7r3c7|0,r2c8r3c8|0,r3c0r3c1r4c0r4c1|17,r3c4r4c4r5c4|0,r4c7r4c8r5c7r5c8|12,r5c0r6c0|13,r5c1r6c1|20,r4c2r4c3r5c2r5c3|12,r6c3r6c4r7c3r7c4|23,r5c5r5c6r6c5r6c6|6,r7c0r8c0|4,r7c1r8c1|0,r6c2r7c2r8c2|0,r7c5r8c3r8c4r8c5|0,r7c6r8c6|17,r6c7r7c7r8c7|0,r6c8r7c8r8c8", "solution": "761985342593742681824631975148523769672894513359167824985416237437258196216379458", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17943, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17941, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2019-03-07", "puzzle": "12,r0c0r0c1r1c0|14,r0c2r0c3|27,r0c4r0c5r0c6r1c4r1c6|11,r0c7r1c7|9,r0c8r1c8|26,r1c1r1c2r1c3r2c1r2c2r3c1|10,r2c3r2c4|8,r1c5r2c5r2c6|15,r2c7r2c8|6,r2c0r3c0|12,r3c2r4c2|15,r3c5r3c6|10,r3c7r3c8|22,r3c3r3c4r4c3r4c4|17,r4c6r4c7r5c7r6c7|31,r4c0r4c1r5c0r6c0r6c1|15,r5c1r5c2r6c2|35,r4c5r5c4r5c5r5c6r6c5r6c6|11,r4c8r5c8r6c8|8,r5c3r6c3|13,r6c4r7c4r7c5r7c6|14,r7c0r7c1|20,r7c7r7c8r8c7r8c8|12,r8c0r8c1|3,r7c2r8c2|13,r7c3r8c3|16,r8c4r8c5r8c6", "solution": "126849735937265184458371269213597846749628351865134972394716528682953417571482693", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17941, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17944, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2019-03-08", "puzzle": "16,r0c1r0c2r1c1r1c2|13,r0c5r0c6|11,r0c7r0c8|10,r0c0r1c0|13,r0c3r1c3|8,r0c4r1c4r1c5|10,r1c6r1c7|20,r2c0r2c1r2c2r3c0|8,r2c6r2c7|20,r1c8r2c8r3c8|15,r2c3r3c2r3c3|11,r2c4r3c4|11,r2c5r3c5|7,r3c6r3c7|33,r3c1r4c0r4c1r4c2r5c1|6,r4c3r4c4|8,r4c5r4c6|8,r4c7r4c8|15,r5c2r5c3r6c3|13,r5c4r6c4|9,r5c5r6c5|11,r5c6r5c7|17,r5c0r6c0r6c1r6c2|12,r6c6r6c7|11,r5c8r6c8r7c8|11,r7c0r8c0|7,r7c3r8c3|15,r7c4r7c5r8c4|15,r7c6r7c7|21,r7c1r7c2r8c1r8c2|15,r8c5r8c6|5,r8c7r8c8", "solution": "328719465751634289964825173172596348896243517435178926283961754547382691619457832", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17944, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17945, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2019-03-08", "puzzle": "19,r0c2r0c3r0c4r1c2|13,r0c5r0c6|23,r0c0r0c1r1c0r1c1|18,r1c3r1c4r1c5r1c6|3,r0c7r1c7|20,r0c8r1c8r2c8|18,r2c0r2c1r3c0r4c0|27,r2c2r2c3r2c4r3c2r3c3r4c2|18,r2c5r3c4r3c5|16,r2c6r3c6|19,r2c7r3c7r3c8r4c7|17,r3c1r4c1r5c1r6c1|17,r4c4r4c5r5c4r5c5|19,r4c3r5c2r5c3|3,r4c6r5c6|17,r4c8r5c7r5c8|13,r5c0r6c0|9,r6c2r6c3|13,r6c4r6c5|6,r7c0r7c1|20,r7c2r7c3r7c4r8c3|18,r6c6r6c7r7c6|16,r8c0r8c1r8c2|16,r7c5r8c4r8c5|27,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "476235819398671425215489736632718954941356278587942163824567391159823647763194582", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17945, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17946, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-03-08", "puzzle": "17,r0c0r0c1r1c0r1c1|12,r0c2r0c3|17,r0c4r1c3r1c4|36,r1c5r1c6r2c5r2c6r2c7r3c6r3c7|13,r2c0r2c1|11,r1c2r2c2|7,r2c3r2c4|41,r0c5r0c6r0c7r0c8r1c7r1c8r2c8r3c8|12,r3c1r3c2|15,r3c0r4c0|36,r3c3r3c4r3c5r4c3r4c4r4c5r5c4r5c5|7,r4c6r5c6|15,r4c7r4c8r5c7|17,r4c1r4c2r5c0r5c1|14,r5c2r5c3r6c3|7,r5c8r6c8|14,r6c1r6c2r7c1r7c2|17,r6c5r7c5|10,r6c6r6c7|31,r6c0r7c0r8c0r8c1r8c2|15,r6c4r7c3r7c4r8c3|15,r7c6r8c6|17,r7c7r7c8r8c7r8c8|9,r8c4r8c5", "solution": "374812569162795438589346271648251397937684125251973684725468913816539742493127856", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17946, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17947, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-03-08", "puzzle": "38,r0c0r0c1r0c2r0c3r1c0r2c0r3c0|0,r0c4r0c5|0,r0c6r0c7|12,r1c3r1c4|0,r1c5r1c6r1c7|15,r0c8r1c8|0,r1c1r1c2r2c1r2c2|27,r2c3r2c4r3c2r3c3r4c2|11,r2c5r2c6|13,r2c7r2c8r3c8|14,r3c4r3c5|8,r3c6r4c6|13,r3c1r4c1|0,r3c7r4c7r4c8r5c8|0,r4c0r5c0|10,r4c3r5c3|0,r4c4r4c5r5c4|0,r5c1r6c1r7c1|0,r5c2r6c2|0,r6c3r6c4|0,r5c5r5c6r6c5r6c6|0,r5c7r6c7r6c8r7c5r7c6r7c7r8c6|3,r6c0r7c0|0,r8c0r8c1|0,r7c2r8c2r8c3|0,r7c3r7c4r8c4r8c5|18,r7c8r8c7r8c8", "solution": "498127356753486219612953874361895742974362185825714963289541637147639528536278491", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17947, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17949, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2019-03-09", "puzzle": 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"11,r0c1r0c2|4,r0c5r0c6|0,r0c0r1c0|15,r1c1r1c2|6,r0c3r1c3|0,r0c4r1c4|0,r1c5r1c6|16,r0c7r0c8r1c7|8,r2c0r2c1|10,r2c2r2c3|0,r2c4r2c5|0,r2c6r2c7|9,r1c8r2c8|15,r3c1r3c2r4c1|11,r3c3r3c4|15,r3c5r3c6|0,r3c7r3c8|13,r3c0r4c0|22,r4c2r4c3r4c4r4c5r4c6|0,r4c8r5c8|0,r5c0r5c1|15,r5c2r5c3|0,r5c4r5c5|0,r4c7r5c6r5c7|13,r6c0r7c0|0,r6c1r6c2|0,r6c3r6c4|0,r6c5r6c6|0,r6c7r6c8|0,r7c1r8c0r8c1|0,r7c2r7c3|13,r7c4r8c4|7,r7c5r8c5|5,r7c6r7c7|15,r7c8r8c8|12,r8c2r8c3|10,r8c6r8c7", "solution": "874251396296483715531976824752839641683514972149627583427368159968145237315792468", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17967, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17968, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2019-03-12", "puzzle": 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"19,r0c0r0c1r1c0|0,r0c2r0c3|0,r0c4r0c5|5,r0c6r0c7|16,r1c6r1c7|0,r0c8r1c8|0,r1c1r1c2r2c1|20,r1c3r1c4r1c5r2c4r2c5|0,r2c6r2c7|8,r2c0r3c0|18,r2c2r2c3r3c2r3c3|19,r3c7r4c7r5c7|0,r2c8r3c8|32,r3c1r4c1r4c2r5c1r5c2|13,r3c4r4c3r4c4|29,r3c5r4c5r5c3r5c4r5c5|0,r3c6r4c6|7,r4c0r5c0|0,r4c8r5c8|6,r6c3r6c4|24,r5c6r6c5r6c6r6c7r7c6|14,r6c0r7c0|7,r6c1r7c1|0,r6c2r7c2|22,r7c3r7c4r7c5|36,r6c8r7c7r7c8r8c6r8c7r8c8|0,r8c0r8c1|12,r8c2r8c3|4,r8c4r8c5", "solution": "654971238831462975792835641185327469379654182426189753963248517518796324247513896", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17973, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17974, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2019-03-14", "puzzle": 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"7,r0c0r0c1|7,r0c7r0c8|13,r0c2r1c2|15,r0c3r1c3|10,r0c4r1c4|3,r0c5r1c5|12,r0c6r1c6|3,r1c0r2c0|24,r1c1r2c1r3c1|25,r2c2r2c3r2c4r2c5r2c6|19,r1c7r2c7r3c7|11,r1c8r2c8|23,r3c2r3c3r3c4r3c5r3c6|15,r3c0r4c0r4c1|4,r4c2r4c3|12,r4c5r4c6|13,r3c8r4c7r4c8|10,r5c0r5c1r5c2|34,r4c4r5c3r5c4r5c5r6c4|14,r5c6r5c7r5c8|31,r6c0r6c1r7c0r7c1r8c0|8,r6c2r6c3|17,r6c5r6c6|21,r6c7r6c8r7c7r7c8r8c8|13,r7c2r8c1r8c2|26,r7c3r7c4r7c5r8c3r8c4r8c5|15,r7c6r8c6r8c7", "solution": "438972516295631748176485293789523461623194875514867329361748952857219634942356187", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17984, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17985, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2019-03-16", "puzzle": 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"11,r0c4r0c5|22,r0c7r0c8r1c7|7,r0c6r1c6|19,r2c1r2c2r3c1|20,r1c4r1c5r2c4r2c5r3c5|5,r2c6r2c7|34,r0c0r0c1r0c2r0c3r1c0r2c0r3c0|17,r3c2r4c2r5c2|21,r1c1r1c2r1c3r2c3r3c3r3c4|15,r4c0r4c1|11,r4c3r4c4|13,r4c5r4c6|34,r5c0r6c0r7c0r8c0r8c1r8c2r8c3|28,r5c3r5c4r6c3r7c1r7c2r7c3|24,r3c6r3c7r4c7r5c6r5c7|17,r5c1r6c1r6c2|25,r5c5r6c4r6c5r7c4r7c5|7,r6c6r6c7|39,r1c8r2c8r3c8r4c8r5c8r6c8r7c8|15,r7c6r8c6|9,r8c4r8c5|12,r7c7r8c7r8c8", "solution": "213874695654392187978651234546123978782569413139487526895716342461238759327945861", "extra": "{\"grid_size\": 9, \"puzzle_number\": 17986, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 17987, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2019-03-16", "puzzle": 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"22,r0c2r0c3r0c4r0c5r0c6|17,r0c7r0c8r1c8|11,r0c0r1c0|21,r0c1r1c1r2c1r2c2|22,r1c2r1c3r1c4r1c5|11,r2c3r2c4|27,r1c6r1c7r2c5r2c6r2c7r3c6|8,r2c0r3c0r3c1|13,r3c2r3c3|27,r4c0r4c1r4c2r5c1r5c2|23,r3c4r3c5r4c4r4c5|10,r4c6r5c6|12,r4c3r5c3r5c4|9,r5c5r6c5|23,r3c7r4c7r5c7r6c7|21,r2c8r3c8r4c8r5c8r6c8|9,r5c0r6c0|24,r6c1r6c2r7c1r7c2|24,r6c3r6c4r7c3r7c4r8c4|19,r6c6r7c6r7c7r7c8|17,r7c0r8c0r8c1|8,r8c2r8c3|19,r7c5r8c5r8c6|8,r8c7r8c8", "solution": "968345271251867349437291865316784592574129683829653417182936754695472138743518926", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18416, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18417, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-06-10", "puzzle": 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"10,r0c0r0c1|27,r0c5r0c6r1c5r1c6|20,r1c0r1c1r2c1r2c2|0,r0c2r0c3r1c2|0,r0c4r1c3r1c4|19,r0c7r0c8r1c7r1c8r2c7|11,r2c0r3c0|16,r3c1r3c2|0,r2c3r2c4r3c3|16,r2c5r2c6r3c5|8,r3c7r4c7|0,r2c8r3c8r4c8|0,r4c2r5c2|24,r3c4r4c3r4c4r4c5r5c4|11,r3c6r4c6|16,r4c0r5c0r6c0|0,r4c1r5c1|19,r5c3r6c2r6c3|9,r5c5r6c4r6c5|3,r5c6r5c7|14,r5c8r6c8|0,r6c1r7c0r7c1r8c0r8c1|0,r7c4r7c5r8c4|0,r7c6r8c5r8c6|25,r6c6r6c7r7c7r7c8|17,r7c2r7c3r8c2r8c3|6,r8c7r8c8", "solution": "821947563475386921936125874297813456614259738358674219769432185142568397583791642", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18457, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18458, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-06-18", "puzzle": 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"16,r0c2r1c2|8,r0c3r0c4|8,r0c5r0c6|15,r0c0r0c1r1c0|16,r1c3r1c4r2c4|9,r0c7r1c6r1c7|21,r0c8r1c8r2c8|11,r1c1r2c0r2c1|6,r1c5r2c5|14,r2c6r2c7|22,r3c0r4c0r5c0|8,r2c2r3c2|10,r2c3r3c3|10,r3c4r3c5|8,r3c6r3c7|13,r3c1r4c1r4c2|15,r4c3r4c4r4c5|23,r4c6r4c7r5c7|5,r5c1r5c2|17,r5c3r5c4|10,r5c5r6c5|6,r5c6r6c6|10,r3c8r4c8r5c8|11,r6c1r6c2|7,r6c3r7c3|16,r6c7r6c8r7c7|9,r6c0r7c0r8c0|24,r7c1r7c2r8c1|13,r6c4r7c4r7c5|16,r7c8r8c7r8c8|7,r8c2r8c3|10,r8c4r8c5|11,r7c6r8c6", "solution": "829537146567194328143862957985246713614753892732981465356479281298315674471628539", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18499, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18501, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-06-27", "puzzle": 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"0,r0c3r0c4r0c5r0c6|9,r0c0r1c0|0,r0c1r0c2r1c1|0,r1c2r1c3|0,r1c4r1c5|0,r0c7r1c6r1c7r2c6|0,r0c8r1c8|17,r2c1r2c2r3c1|16,r2c3r2c4r3c4|0,r2c7r2c8|7,r2c0r3c0|7,r3c2r3c3|0,r2c5r3c5r4c5r5c5r6c5|0,r3c6r3c7r3c8|0,r4c0r4c1|0,r4c2r4c3r4c4|0,r4c6r4c7r4c8|0,r5c0r6c0|0,r5c2r5c3|0,r5c6r5c7r5c8|0,r5c1r6c1r6c2|0,r5c4r6c3r6c4|0,r6c7r6c8|11,r7c0r8c0|22,r7c1r8c1r8c2|0,r7c2r7c3|0,r7c4r7c5|0,r6c6r7c6r7c7r8c7|5,r7c8r8c8|16,r8c3r8c4r8c5r8c6", "solution": "783421956259376418146859237675234891428917365931568724512783649864192573397645182", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18508, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18509, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2019-06-29", "puzzle": "8,r0c0r0c1|13,r0c2r0c3|15,r0c5r0c6r1c6|9,r0c7r0c8|17,r1c1r1c2r1c3|9,r0c4r1c4r2c4|13,r1c0r2c0r2c1|15,r2c2r2c3r3c3|14,r1c5r2c5r3c5|17,r1c7r1c8r2c7|11,r3c0r3c1r3c2|12,r2c6r3c6|11,r2c8r3c8r4c8|17,r4c1r4c2r4c3|15,r3c4r4c4|12,r4c5r4c6|10,r3c7r4c7|16,r4c0r5c0|7,r5c3r5c4|11,r5c5r5c6|13,r5c7r5c8|13,r5c1r5c2r6c1|12,r6c4r6c5r6c6|11,r6c7r6c8|10,r6c0r7c0|8,r6c2r7c1r7c2|20,r6c3r7c3r7c4|18,r7c5r7c6r7c7|12,r8c0r8c1|14,r8c2r8c3r8c4|10,r8c5r8c6|12,r7c8r8c7r8c8", "solution": "536749218172836459849521736263197584758463921914258367685374192421985673397612845", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18509, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18510, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2019-06-29", "puzzle": 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"25,r0c2r0c3r0c4r1c4|7,r0c6r0c7|17,r0c0r1c0|6,r0c1r1c1|0,r1c2r1c3|8,r0c5r1c5|0,r1c6r1c7|9,r0c8r1c8|0,r2c2r2c3r3c2|26,r2c4r2c5r2c6r3c6|0,r2c0r3c0|15,r2c1r3c1|31,r3c3r3c4r4c4r5c3r5c4|7,r2c7r3c7|12,r2c8r3c8|10,r4c0r4c1|14,r4c2r4c3|9,r3c5r4c5r5c5|0,r4c6r4c7r4c8|11,r5c0r6c0|0,r5c1r6c1|0,r5c7r6c7|8,r5c8r6c8|0,r5c2r6c2r6c3|0,r5c6r6c4r6c5r6c6|0,r7c0r8c0|0,r7c1r8c1|0,r7c2r7c3|14,r7c5r8c5|0,r7c6r7c7|0,r7c8r8c8|17,r7c4r8c2r8c3r8c4|0,r8c6r8c7", "solution": "925837614846291375173456829281964753739582461654173982592748136467315298318629547", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18513, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18512, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2019-06-29", "puzzle": "0,r0c1r0c2r0c3|0,r0c5r0c6r0c7|12,r0c0r1c0r2c0|12,r1c2r1c3|0,r0c4r1c4r2c4r3c4|0,r1c5r1c6|0,r0c8r1c8r2c8|0,r1c1r2c1|0,r2c2r2c3r3c2r3c3|22,r2c5r2c6r3c5r3c6|0,r1c7r2c7|0,r3c0r4c0|0,r3c1r4c1r5c1|16,r4c3r4c4r4c5|16,r3c7r4c7r5c7|0,r3c8r4c8|15,r4c2r5c2|12,r4c6r5c6|16,r5c0r6c0|0,r6c1r6c2|11,r5c3r6c3|8,r5c4r6c4|0,r5c5r6c5|0,r6c6r6c7|0,r5c8r6c8|10,r7c3r7c4r7c5|15,r7c0r7c1r8c0|14,r7c2r8c1r8c2|15,r8c3r8c4r8c5|14,r7c6r8c6r8c7|0,r7c7r7c8r8c8", "solution": "379528146165794283824361957216847539538619472947235861781956324453172698692483715", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18512, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18514, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2019-06-30", "puzzle": "12,r0c0r0c1|6,r0c2r0c3|28,r0c4r0c5r1c4r1c5r2c5|11,r0c7r0c8r1c8r2c8|15,r1c2r1c3|27,r0c6r1c6r1c7r2c7|9,r1c0r2c0r3c0|14,r1c1r2c1|12,r2c2r2c3r3c2|9,r2c4r3c4|9,r2c6r3c6|28,r3c7r3c8r4c8r5c7r5c8|26,r3c1r4c0r4c1r4c2r5c1|14,r3c3r4c3r4c4r5c3|17,r3c5r4c5r5c5|12,r4c6r4c7|17,r5c2r6c2r6c3|13,r5c4r6c4|7,r5c6r6c6|17,r5c0r6c0r7c0|4,r6c1r7c1|13,r7c2r7c3|17,r6c7r7c6r7c7r8c6|11,r8c0r8c1|11,r8c2r8c3|22,r6c5r7c4r7c5r8c4r8c5|24,r6c8r7c8r8c7r8c8", "solution": "841576923357892641296134785485763219623419578179285364912658437734921856568347192", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18514, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18515, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2019-06-30", "puzzle": "19,r0c0r0c1r1c1r1c2|14,r0c2r0c3|16,r0c4r0c5r0c6r1c6|16,r0c7r0c8r1c7|23,r1c3r1c4r1c5r2c4|10,r1c0r2c0|8,r2c1r2c2|16,r1c8r2c8r3c8|8,r3c0r3c1|22,r2c3r3c3r4c3r4c4r5c3r6c3|21,r2c5r2c6r3c4r3c5|15,r2c7r3c6r3c7|17,r4c0r4c1|7,r3c2r4c2r5c2|20,r4c5r4c6r4c7r4c8|13,r5c0r5c1|26,r5c4r5c5r6c5r6c6|13,r5c6r5c7r6c7|9,r6c0r7c0|6,r6c1r6c2|23,r5c8r6c8r7c8|21,r6c4r7c3r7c4r7c5|21,r7c1r7c2r8c0r8c1|10,r8c2r8c3|19,r7c6r8c4r8c5r8c6|12,r7c7r8c7r8c8", "solution": "458637291173892465926541387532789614894316572761254839315478926647923158289165743", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18515, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18516, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-06-30", "puzzle": "23,r0c0r0c1r0c2r0c3|19,r1c1r1c2r2c1r2c2|12,r0c4r1c4|10,r0c5r1c5|21,r0c6r0c7r1c6r1c7r2c7|13,r0c8r1c8|29,r1c0r2c0r3c0r4c0r5c0r6c0r7c0|21,r1c3r2c3r2c4r3c3|20,r3c2r4c2r5c2|27,r2c5r2c6r3c4r3c5r3c6|9,r2c8r3c7r3c8|19,r3c1r4c1r5c1|4,r4c3r4c4|30,r4c5r4c6r4c7r4c8|19,r5c4r5c5r5c6r6c5r6c6|12,r5c7r5c8r6c8|27,r5c3r6c3r6c4r7c3|15,r6c1r6c2r7c1r7c2|9,r7c4r8c4|6,r7c5r8c5|27,r6c7r7c6r7c7r8c6r8c7|12,r7c8r8c8|21,r8c0r8c1r8c2r8c3", "solution": "924871356683259417571463982167928534245136798398745261832697145419582673756314829", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18516, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18517, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-06-30", "puzzle": "0,r0c5r0c6r1c5r1c6|19,r0c0r0c1r1c0r1c1|0,r0c2r0c3r0c4r1c2|8,r0c7r1c7|0,r0c8r1c8|22,r2c0r2c1r3c0r4c0|0,r1c3r1c4r2c4|0,r2c7r2c8|0,r2c2r2c3r3c2r3c3|15,r3c4r3c5|0,r2c5r2c6r3c6|0,r3c7r3c8|10,r3c1r4c1r4c2|21,r4c6r4c7r4c8|9,r4c3r5c3|16,r4c4r4c5r5c4|0,r5c5r5c6r6c5r6c6|8,r5c7r5c8|21,r5c0r5c1r6c0r6c1|13,r5c2r6c2r6c3|18,r6c7r7c6r7c7|5,r7c0r7c1|14,r7c2r8c2|20,r6c8r7c8r8c6r8c7r8c8|16,r8c0r8c1|3,r7c3r8c3|17,r6c4r7c4r8c4|11,r7c5r8c5", "solution": "167985423845723169392641857659378214423519678781462935514836792238197546976254381", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18517, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18518, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-06-30", "puzzle": "4,r0c0r0c1|0,r0c2r0c3|0,r1c2r1c3|0,r0c4r1c4|5,r0c5r1c5|0,r1c0r2c0|0,r1c1r2c1r2c2|0,r2c3r2c4|0,r2c5r2c6r3c6|0,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|0,r3c4r3c5r4c5|0,r3c7r3c8|0,r3c0r4c0|0,r3c1r3c2r4c1r5c1|17,r4c7r4c8|0,r4c2r5c2|32,r3c3r4c3r4c4r5c3r5c4r5c5|0,r4c6r5c6|6,r5c7r6c7|4,r5c8r6c8|0,r5c0r6c0|17,r6c1r6c2r7c2|0,r6c3r6c4|0,r7c0r7c1r8c0r8c1|0,r6c5r7c3r7c4r7c5|0,r6c6r7c6r7c7|6,r7c8r8c8|0,r8c2r8c3|9,r8c4r8c5|10,r8c6r8c7", "solution": "319724586685391427742586139976138245153462798428957613264873951537219864891645372", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18518, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18519, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2019-07-01", "puzzle": "11,r0c1r0c2|17,r0c3r0c4|9,r0c5r0c6|3,r0c7r0c8|16,r0c0r1c0r1c1|8,r1c2r1c3r1c4|11,r1c5r2c5|23,r2c1r3c1r4c1|15,r2c2r2c3r3c2|16,r1c6r2c6|12,r1c7r2c7r3c7|14,r1c8r2c8|9,r2c0r3c0r4c0|19,r2c4r3c3r3c4|10,r4c2r4c3r5c2|4,r3c5r4c5|16,r3c6r4c6r4c7|12,r3c8r4c8|15,r4c4r5c4r5c5|14,r5c6r5c7r5c8|7,r5c0r6c0|16,r5c1r6c1r6c2|16,r5c3r6c3r7c3|10,r6c4r7c4|7,r6c5r6c6|16,r6c7r6c8|17,r7c0r7c1r7c2|12,r7c5r7c6r8c6|11,r7c7r7c8|15,r8c0r8c1r8c2|18,r8c3r8c4r8c5|6,r8c7r8c8", "solution": "547896312832517946169234758684971235291453867375628491418362579926745183753189624", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18519, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18521, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2019-07-01", "puzzle": "30,r0c1r0c2r1c1r2c0r2c1|30,r0c4r0c5r0c6r0c7|10,r0c0r1c0|10,r0c3r1c3|16,r1c4r1c5r1c6r1c7|7,r0c8r1c8|13,r1c2r2c2r3c2|12,r2c5r2c6|25,r2c8r3c8r4c8r5c8r6c8|27,r3c0r3c1r4c0r4c1r5c0r5c1|15,r2c3r2c4r3c3r3c4|8,r3c5r3c6|15,r4c2r4c3r4c4|15,r4c5r4c6|19,r5c3r5c4r6c3r6c4|14,r5c5r5c6|24,r2c7r3c7r4c7r5c7r6c7|22,r5c2r6c2r7c2|5,r6c5r6c6|11,r7c0r8c0|14,r7c3r8c3|14,r7c4r7c5r7c6r7c7|13,r7c8r8c8|18,r6c0r6c1r7c1r8c1r8c2|18,r8c4r8c5r8c6r8c7", "solution": "451368792683792415792154863918275346574836921236419578149683257827541639365927184", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18521, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18520, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2019-07-01", "puzzle": "20,r0c0r0c1r0c2r0c3|16,r0c6r0c7r0c8|19,r1c0r1c1r2c0r2c1r3c0|13,r0c4r1c4|12,r0c5r1c5|16,r1c6r1c7r2c6r2c7|15,r1c2r2c2|17,r1c3r2c3r2c4|13,r1c8r2c8|14,r3c4r4c4r5c4|15,r2c5r3c5r4c5|9,r3c6r3c7|9,r4c0r5c0|17,r3c1r4c1|13,r3c2r3c3r4c2|19,r4c6r5c5r5c6|11,r4c7r5c7|7,r3c8r4c8|8,r5c1r5c2|11,r4c3r5c3r6c3|11,r6c0r7c0|19,r6c4r6c5r7c5|12,r6c6r7c6|14,r6c1r6c2r7c1r7c2|9,r7c3r8c3|7,r7c4r8c4|20,r5c8r6c7r6c8r7c7r7c8|20,r8c0r8c1r8c2|19,r8c5r8c6r8c7r8c8", "solution": "639245178158697234247831569783926451491358726562174893316782945825469317974513682", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18520, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18522, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-07-01", "puzzle": "0,r0c0r0c1|10,r0c2r0c3|0,r0c4r0c5|11,r0c6r0c7|0,r1c0r1c1|0,r1c3r1c4|13,r1c5r1c6|6,r0c8r1c8|0,r1c2r2c2|0,r2c3r2c4r3c3r4c3|28,r1c7r2c5r2c6r2c7r2c8|7,r2c0r2c1r3c0|6,r3c1r3c2|0,r3c4r3c5r4c4r5c3r5c4|14,r3c7r3c8r4c8|16,r4c1r4c2r5c2|16,r3c6r4c6r4c7|22,r4c0r5c0r5c1|8,r5c6r5c7|15,r5c8r6c7r6c8|21,r6c0r6c1r6c2r6c3r7c1|20,r4c5r5c5r6c4r6c5|13,r6c6r7c6|0,r7c0r8c0|12,r7c2r7c3|0,r7c4r7c5|0,r7c7r7c8|13,r8c1r8c2|0,r8c3r8c4|3,r8c5r8c6|13,r8c7r8c8", "solution": "759126834368754912241839576124967385576283491893415267912648753437591628685372149", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18522, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18524, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2019-07-02", "puzzle": 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"13,r0c0r0c1|10,r0c2r0c3|12,r0c5r0c6|12,r1c0r1c1|12,r0c4r1c4r2c4|20,r0c7r0c8r1c6r1c7r1c8|18,r1c2r2c0r2c1r2c2|8,r1c3r2c3|8,r1c5r2c5|17,r3c1r3c2r4c1|3,r3c3r3c4|27,r2c7r2c8r3c7r3c8|15,r3c0r4c0|16,r4c2r5c2r6c2|25,r3c5r4c3r4c4r4c5r5c3|21,r2c6r3c6r4c6|8,r4c8r5c8|10,r5c0r5c1r6c0r6c1|17,r5c4r5c5|11,r4c7r5c6r5c7|14,r6c3r7c3|10,r6c5r7c5|15,r6c6r6c7r6c8r7c6|23,r7c0r7c1r7c2r8c0r8c1|16,r6c4r7c4r8c4|13,r7c7r7c8|12,r8c2r8c3|10,r8c5r8c6|9,r8c7r8c8", "solution": "672849315931657482458231769796123548824765931315498627247586193583914276169372854", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18525, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18526, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-07-02", "puzzle": 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"17,r0c0r0c1|0,r0c3r0c4|6,r0c5r0c6|9,r1c0r1c1|8,r0c2r1c2|0,r1c3r1c4|0,r0c7r0c8r1c7|0,r2c0r2c1|0,r2c2r2c3|0,r1c5r2c4r2c5|0,r1c6r2c6r2c7|7,r1c8r2c8|0,r3c0r3c1|0,r3c2r3c3|0,r3c5r3c6|0,r3c7r3c8|0,r4c0r4c1r4c2r4c3|0,r3c4r4c4r5c4|24,r4c5r4c6r4c7r4c8|10,r5c0r5c1|0,r5c2r5c3|11,r5c5r5c6|16,r5c7r5c8|0,r6c0r7c0|13,r6c1r6c2r7c2|0,r6c3r6c4r7c3|0,r6c5r6c6|0,r6c7r6c8|0,r7c1r8c0r8c1|8,r7c4r7c5|14,r7c6r8c6|11,r7c7r7c8|0,r8c2r8c3|10,r8c4r8c5|3,r8c7r8c8", "solution": "895632417723184695146795832918367254537429168462518379281953746654271983379846521", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18527, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18531, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-07-03", "puzzle": 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"11,r0c5r0c6|15,r0c7r0c8|15,r0c0r0c1r1c0|10,r0c2r1c2|16,r0c3r0c4r1c3|10,r1c7r1c8r2c7|13,r1c1r2c0r2c1|7,r1c4r2c4|5,r1c5r2c5|9,r1c6r2c6|15,r2c8r3c8|16,r2c2r3c2|15,r2c3r3c3|5,r3c6r3c7|9,r3c0r4c0|12,r3c1r4c1r4c2|12,r4c3r5c3|10,r3c4r4c4r5c4|8,r3c5r4c5|20,r4c6r4c7r5c7|5,r4c8r5c8|13,r5c1r5c2|13,r5c5r6c5|15,r5c6r6c6|8,r5c0r6c0|9,r6c2r7c2|4,r6c3r7c3|17,r6c4r7c4|19,r6c7r6c8r7c7|12,r6c1r7c0r7c1|18,r7c5r8c4r8c5|7,r7c6r8c6|12,r7c8r8c7r8c8|17,r8c0r8c1|3,r8c2r8c3", "solution": "152748396968513472347962518489651237513827964276439851635184729724396185891275643", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18529, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18532, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2019-07-03", "puzzle": 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"8,r0c1r0c2|18,r0c3r0c4r0c5|10,r0c0r1c0|22,r1c1r1c2r1c3r2c2r2c3|4,r0c6r1c6|25,r0c7r1c7r2c7r2c8|11,r0c8r1c8|31,r1c4r1c5r2c4r2c5r2c6r3c5|30,r3c1r3c2r4c1r4c2r5c1r5c2|15,r3c6r3c7r3c8|30,r2c0r2c1r3c0r4c0r5c0r6c0r6c1|14,r3c3r4c3r5c3|16,r3c4r4c4r5c4|10,r4c5r4c6|8,r4c7r4c8|20,r5c6r5c7r5c8|24,r5c5r6c4r6c5r6c6r7c4r7c5|9,r7c0r8c0|34,r6c2r6c3r7c1r7c2r7c3|16,r7c6r8c6|10,r6c7r6c8r7c7r8c7|13,r7c8r8c8|9,r8c1r8c2|18,r8c3r8c4r8c5", "solution": "326549187758261394914387562593724816471698253682153479239875641867412935145936728", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18535, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18534, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2019-07-04", "puzzle": "9,r0c0r0c1r0c2|11,r0c6r0c7|28,r0c3r0c4r0c5r1c3r1c4|13,r1c5r1c6r2c6|11,r0c8r1c8|15,r1c0r2c0|13,r1c1r2c1|11,r2c3r2c4r3c4r4c4|8,r1c7r2c7|8,r3c0r3c1|25,r1c2r2c2r3c2r4c2|16,r2c5r3c5|26,r2c8r3c7r3c8r4c7r4c8|3,r4c0r4c1|10,r3c3r4c3|18,r3c6r4c6r5c6|11,r5c1r5c2|36,r4c5r5c4r5c5r6c4r6c5r6c6r7c5|9,r5c0r6c0|14,r6c1r6c2r7c2|10,r5c3r6c3|3,r5c7r6c7|13,r5c8r6c8|27,r7c0r7c1r8c0r8c1|18,r7c3r7c4r8c4|3,r8c2r8c3|11,r7c6r8c5r8c6|15,r7c7r8c7|10,r7c8r8c8", "solution": "153862749896574132742319856539427681218653974674198325327946518465781293981235467", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18534, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18538, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-07-04", "puzzle": 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"34,r0c1r0c2r0c3r1c1r1c2r2c2r3c2|5,r0c4r0c5|9,r0c0r1c0|15,r1c3r1c4r1c5|7,r2c0r2c1|42,r0c6r0c7r0c8r1c6r1c7r1c8r2c7r2c8|21,r3c0r3c1r4c1r5c1|14,r2c3r3c3|41,r2c4r2c5r2c6r3c4r3c5r3c6r4c5r4c6|13,r3c8r4c8|12,r4c0r5c0r6c0|22,r5c2r5c3r6c2r6c3|26,r4c2r4c3r4c4r5c4r6c4|10,r5c5r5c6|12,r3c7r4c7r5c7|40,r5c8r6c5r6c6r6c7r6c8r7c7r7c8|16,r6c1r7c1r7c2|18,r7c3r7c4r7c5r8c5|5,r7c6r8c6|17,r7c0r8c0r8c1|12,r8c2r8c3r8c4|14,r8c7r8c8", "solution": "387214695691735842524896371953687214768421539412953786146578923839162457275349168", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18536, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18537, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-07-04", "puzzle": 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"13,r0c0r1c0|16,r0c1r1c1r2c1|14,r0c2r0c3r1c2|25,r0c4r1c3r1c4r1c5|9,r0c5r0c6r1c6|16,r0c7r1c7r2c7|14,r0c8r1c8|18,r2c0r3c0r3c1r4c0r5c0|15,r2c2r2c3r3c2|22,r2c4r3c3r3c4r3c5|14,r2c5r2c6r3c6|25,r2c8r3c7r3c8r4c8r5c8|11,r4c1r4c2r4c3|15,r4c5r4c6r4c7|35,r4c4r5c4r6c4r7c3r7c4r7c5r8c4|19,r5c1r6c1r7c1r7c2|28,r5c2r5c3r6c2r6c3|18,r5c5r5c6r6c5r6c6|19,r5c7r6c7r7c6r7c7|14,r6c0r7c0|9,r6c8r7c8|6,r8c0r8c1|8,r8c2r8c3|14,r8c5r8c6|8,r8c7r8c8", "solution": "473965128912748356586123497128659743754231689369487512697814235831572964245396871", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18551, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18553, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-07-07", "puzzle": 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"0,r0c0r0c1r1c1|0,r0c2r0c3r0c4r1c2|5,r0c5r1c5|0,r0c6r1c6|11,r0c7r1c7|6,r0c8r1c8|0,r1c0r2c0|10,r2c1r2c2r3c2r3c3|0,r1c3r1c4r2c3r2c4|7,r2c5r2c6|12,r3c0r3c1|0,r3c4r3c5r4c5r5c4r5c5|0,r2c7r2c8r3c7|22,r4c0r4c1r4c2r4c3r4c4|26,r3c6r4c6r4c7r5c6|10,r3c8r4c8r5c8|9,r5c0r5c1|14,r5c7r6c7r6c8|0,r6c0r7c0|0,r5c2r5c3r6c1r6c2|25,r6c3r6c4r7c3r7c4|9,r6c5r6c6|0,r7c2r8c2r8c3r8c4|11,r7c5r8c5|10,r7c6r8c6|0,r7c7r8c7|13,r7c8r8c8|21,r7c1r8c0r8c1", "solution": "619743582578962134234851697482176953951438276367529841723685419145297368896314725", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18578, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18579, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2019-07-13", "puzzle": 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"17,r0c0r0c1r1c0|5,r0c2r0c3|10,r0c5r0c6|11,r0c7r0c8|14,r1c1r1c2r2c2|21,r0c4r1c3r1c4|10,r2c0r2c1|14,r2c3r2c4r3c3|9,r1c5r2c5|16,r1c6r2c6|7,r1c7r1c8r2c7|12,r2c8r3c8|15,r3c0r3c1r4c0|18,r3c5r3c6r4c5|8,r4c1r5c1|11,r3c2r4c2|3,r4c6r5c6|9,r3c7r4c7|17,r4c3r5c2r5c3|10,r3c4r4c4r5c4|24,r4c8r5c7r5c8|9,r5c0r6c0|12,r6c1r7c0r7c1|9,r6c2r7c2|15,r6c3r7c3|10,r5c5r6c4r6c5|10,r6c7r6c8|20,r7c4r7c5r8c4|14,r6c6r7c6r7c7|11,r8c0r8c1|11,r8c2r8c3|8,r8c5r8c6|15,r7c8r8c7r8c8", "solution": "294187356685493712371526948862719534159834267437265189526941873913678425748352691", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18589, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18590, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2019-07-15", "puzzle": 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"31,r0c2r0c3r0c4r0c5r0c6|20,r0c0r1c0r2c0r3c0|11,r0c1r1c1|3,r1c2r1c3|10,r1c5r1c6|12,r0c7r1c7|21,r0c8r1c8r2c8r3c8|6,r2c2r2c3|15,r1c4r2c4r3c4|8,r2c5r2c6|12,r2c1r3c1r4c0r4c1|14,r3c2r3c3|10,r3c5r3c6|23,r2c7r3c7r4c7r4c8|13,r4c2r5c2|28,r4c3r4c4r4c5r5c3r5c4r5c5|8,r4c6r5c6|15,r5c0r5c1r6c0|19,r5c7r5c8r6c8|17,r6c1r6c2r6c3r7c2|17,r6c4r7c4r8c4|23,r6c5r6c6r6c7r7c6|26,r7c0r7c1r8c0r8c1|17,r7c3r8c2r8c3|15,r7c5r8c5r8c6|11,r7c7r7c8r8c7r8c8", "solution": "186459732732186495954237168319548276428763519675921384261395847597814623843672951", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18591, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18592, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2019-07-15", "puzzle": 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"10,r0c1r0c2|0,r0c4r0c5r0c6|0,r0c0r1c0|14,r0c3r1c3r1c4r2c3|0,r1c6r2c6|0,r0c7r1c7r2c7r3c7|10,r0c8r1c8|12,r1c1r2c0r2c1|6,r1c2r2c2|0,r1c5r2c5|0,r3c0r3c1r4c0r5c0r5c1|0,r3c2r3c3|9,r2c4r3c4|5,r4c1r4c2|16,r4c3r4c4|0,r3c5r3c6r4c5r4c6r4c7r5c5r5c6|15,r5c2r5c3|0,r5c4r6c4|0,r2c8r3c8r4c8r5c8r6c8|16,r6c0r6c1r7c1|8,r6c2r7c2|0,r6c5r7c5|6,r7c0r8c0|14,r6c3r7c3r7c4r8c3|5,r6c6r7c6|20,r5c7r6c7r7c7r8c7|11,r7c8r8c8|15,r8c1r8c2|0,r8c4r8c5r8c6", "solution": "864153927971428653235769841418532769623971584759684312346295178592817436187346295", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18602, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18603, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2019-07-17", "puzzle": 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"11,r0c6r0c7|20,r0c0r1c0r1c1r2c0|18,r0c1r0c2r0c3r1c2r1c3|17,r0c4r1c4|8,r0c5r1c5|21,r0c8r1c8r2c8|17,r2c1r2c2|8,r2c4r2c5|20,r1c6r2c6r3c6r4c6|6,r1c7r2c7|24,r2c3r3c1r3c2r3c3r4c1|37,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|10,r3c7r3c8|14,r3c0r4c0|3,r4c8r5c8|6,r5c0r5c1|28,r4c7r5c5r5c6r5c7r6c5|12,r6c1r7c1|17,r4c2r5c2r6c2r7c2|9,r6c3r6c4|16,r6c6r6c7|11,r6c0r7c0r8c0|10,r7c3r8c3|7,r7c4r8c4|27,r7c5r7c6r8c5r8c6r8c7|19,r6c8r7c7r7c8r8c8|9,r8c1r8c2", "solution": "612495387745683129389271645568124973971836452423957861136542798297368514854719236", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18604, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18605, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2019-07-18", "puzzle": 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"5,r0c4r0c5|17,r0c7r0c8|6,r0c0r1c0|16,r0c1r1c1r2c1|12,r0c2r0c3r1c2|14,r1c3r1c4r2c4|14,r0c6r1c6r1c7|17,r2c2r2c3r3c2|15,r1c5r2c5|13,r1c8r2c7r2c8|17,r2c0r3c0r3c1|45,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4r5c5|4,r2c6r3c6|12,r4c0r5c0|12,r4c1r4c2r5c1|10,r3c7r4c6r4c7|16,r3c8r4c8|11,r5c2r6c2|13,r5c7r5c8r6c8|8,r6c0r6c1r7c0|10,r6c3r7c3|23,r5c6r6c5r6c6|22,r7c1r7c2r8c2|17,r6c4r7c4r7c5|9,r7c6r8c5r8c6|19,r6c7r7c7r8c7|4,r7c8r8c8|13,r8c0r8c1|11,r8c3r8c4", "solution": "235614798471938526968527134624859317783162459519473862142386975396745281857291643", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18614, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18616, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-07-20", "puzzle": "28,r0c3r0c4r1c3r1c4r2c4r3c4|17,r0c5r0c6r0c7r0c8|25,r0c0r0c1r1c0r1c1|7,r0c2r1c2|15,r2c2r2c3r3c3|17,r1c5r2c5|29,r1c6r1c7r1c8r2c6r2c8|10,r2c0r3c0|12,r2c1r3c1r3c2|7,r3c5r3c6|10,r2c7r3c7|17,r4c0r4c1r5c0|20,r4c2r4c3r4c4r4c5r4c6|13,r3c8r4c7r4c8|13,r5c1r6c1|8,r5c2r5c3|20,r5c6r5c7r6c7|8,r5c8r6c8|27,r6c0r6c2r7c0r7c1r7c2|14,r6c3r7c3|13,r5c5r6c5r6c6|9,r7c6r8c6|21,r7c7r7c8r8c7r8c8|22,r8c0r8c1r8c2r8c3|23,r5c4r6c4r7c4r7c5r8c4r8c5", "solution": "956172438831459672472638915614785293783291546295364781148926357369517824527843169", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18616, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18617, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2019-07-20", "puzzle": 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"6,r0c1r0c2|7,r0c3r0c4|17,r0c6r0c7|6,r0c0r1c0|17,r1c1r1c2|13,r0c5r1c5r2c5|12,r0c8r1c8r2c8|9,r2c0r2c1|9,r1c3r2c3|16,r1c4r2c4|10,r1c6r2c6|6,r1c7r2c7|17,r3c0r3c1|13,r2c2r3c2|13,r3c3r3c4r3c5|14,r4c0r4c1r5c0|8,r4c2r5c1r5c2|18,r4c3r4c4r4c5|6,r3c6r3c7r4c6|20,r3c8r4c7r4c8|14,r5c3r5c4r5c5|14,r5c6r6c6|14,r5c7r5c8|10,r6c1r7c1|11,r6c2r7c2|14,r6c4r7c4|6,r6c5r7c5|7,r6c7r6c8|18,r6c0r7c0r8c0|18,r6c3r7c3r8c3|7,r7c6r7c7|13,r7c8r8c8|6,r8c1r8c2|7,r8c4r8c5|9,r8c6r8c7", "solution": "524613897198472653367598412986157234253846179741329586432785961879261345615934728", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18619, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18620, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2019-07-21", "puzzle": 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"12,r0c1r0c2|13,r0c6r0c7|0,r0c0r1c0|0,r1c1r1c2|0,r0c3r1c3|0,r0c4r1c4r2c4|0,r0c5r1c5|0,r1c6r1c7|5,r0c8r1c8|20,r2c1r2c2r2c3r3c1|0,r2c5r2c6r2c7r3c7|5,r2c0r3c0|12,r2c8r3c8|0,r4c0r4c1|0,r3c2r4c2|25,r3c3r3c4r3c5r4c4|0,r3c6r4c6|5,r4c7r4c8|39,r4c3r4c5r5c2r5c3r5c4r5c5r5c6r6c4|18,r5c0r5c1r6c0|0,r6c2r6c3|0,r6c5r6c6|15,r5c7r5c8r6c8|8,r6c1r7c1|0,r7c2r7c3r7c4r7c5r7c6|0,r6c7r7c7|17,r7c0r8c0|0,r8c1r8c2|0,r8c3r8c4r8c5|0,r8c6r8c7|12,r7c8r8c8", "solution": "293485761516327894478196325142963587659871432387254916761539248925648173834712659", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18632, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18631, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-07-23", "puzzle": "15,r0c2r0c3r0c4|13,r0c5r0c6r0c7|25,r0c0r0c1r1c0r1c1|5,r1c5r1c6|27,r0c8r1c7r1c8r2c7|12,r1c4r2c4r2c5r2c6|18,r2c0r3c0r4c0|41,r1c2r1c3r2c1r2c2r2c3r3c1r3c2|10,r3c3r3c4r4c3|8,r3c5r3c6|14,r2c8r3c8r4c8|22,r4c1r4c2r5c2r6c2|20,r3c7r4c7r5c7r5c8|26,r4c4r4c5r5c4r5c5|11,r4c6r5c6|12,r5c0r6c0r7c0|4,r5c1r6c1|13,r5c3r6c3|7,r6c4r6c5|19,r7c3r7c4r7c5r8c5|18,r7c1r7c2r8c0r8c1|20,r8c2r8c3r8c4|45,r6c6r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "351867429896524137247931685982173546764285913513649278139752864675418392428396751", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18631, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18633, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-07-23", "puzzle": 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"6,r0c0r0c1r1c0|10,r0c2r0c3|22,r0c5r0c6r1c6|10,r0c7r0c8r1c7|18,r1c2r1c3r2c2|12,r0c4r1c4|9,r1c8r2c8|15,r2c0r3c0|18,r1c1r2c1r3c1|6,r2c4r3c4|21,r1c5r2c5r3c5|9,r2c6r2c7|10,r3c2r4c2|3,r2c3r3c3|10,r3c6r3c7|18,r4c0r4c1r5c0|18,r4c3r4c4r4c5|15,r3c8r4c7r4c8|5,r5c1r5c2|5,r5c5r6c5|6,r4c6r5c6|9,r6c1r6c2|19,r5c3r6c3r7c3|12,r5c4r6c4|13,r5c7r6c7r7c7|14,r5c8r6c8|9,r6c0r7c0|14,r7c4r8c4|13,r6c6r7c5r7c6|17,r7c1r8c0r8c1|15,r7c2r8c2r8c3|10,r8c5r8c6|14,r7c8r8c7r8c8", "solution": "326495871147638925895127364758246193632819457914753286463972518589361742271584639", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18629, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18630, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2019-07-23", "puzzle": "15,r0c3r0c4r0c5|14,r0c7r0c8|16,r0c0r0c1r1c0r1c1|10,r0c2r1c2|16,r0c6r1c6|7,r1c7r1c8r2c8|10,r2c0r2c1|30,r1c3r2c2r2c3r3c1r3c2r3c3|15,r1c4r1c5r2c4|9,r2c5r2c6|10,r3c5r3c6|20,r2c7r3c7r3c8|12,r3c0r4c0r5c0|24,r4c1r4c2r5c1|10,r3c4r4c3r4c4|19,r4c7r5c6r5c7|9,r4c8r5c8r6c8|11,r6c0r6c1|6,r5c2r6c2|9,r5c3r6c3|28,r4c5r4c6r5c4r5c5r6c4|12,r7c2r7c3r8c3|14,r6c5r7c4r7c5|17,r6c6r6c7r7c6|22,r7c7r7c8r8c7r8c8|15,r7c0r8c0|10,r7c1r8c1r8c2|15,r8c4r8c5r8c6", "solution": "153942786647853912289176354562439178478615293391287465925764831834591627716328549", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18630, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18628, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-07-22", "puzzle": 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"14,r0c1r0c2r0c3r1c3|20,r0c4r0c5r0c6|21,r0c0r1c0r1c1r1c2|10,r1c4r1c5|27,r0c7r1c7r2c7r2c8|11,r0c8r1c8|10,r2c4r2c5|3,r1c6r2c6|11,r2c0r3c0|9,r2c1r3c1|16,r2c2r3c2|11,r2c3r3c3|17,r4c0r4c1r5c0r5c1|12,r3c4r4c4|11,r3c5r4c5|9,r3c6r4c6|15,r3c7r3c8r4c7r5c7|12,r4c2r4c3r5c2|29,r5c3r5c4r6c3r6c4r7c3|10,r5c5r5c6|12,r4c8r5c8|9,r6c0r6c1|23,r6c5r6c6r6c7r7c6r7c7|25,r7c0r7c1r8c0r8c1|5,r6c2r7c2|19,r7c4r7c5r8c5|11,r6c8r7c8|9,r8c2r8c3r8c4|14,r8c6r8c7r8c8", "solution": "362179458918564273457382196749835621125496387683721945274653819831947562596218734", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18739, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18738, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-08-13", "puzzle": 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"11,r0c2r0c3|18,r0c4r0c5r0c6|23,r0c0r0c1r1c0r2c0r2c1|9,r1c1r1c2|10,r1c3r1c4r1c5|28,r0c7r0c8r1c7r1c8r2c8|15,r2c2r2c3r2c4|13,r1c6r2c6|8,r3c2r3c3|9,r2c5r3c5|26,r2c7r3c6r3c7r3c8|26,r3c0r3c1r4c0r4c1r5c0r5c1|9,r4c2r4c3|22,r3c4r4c4r5c4|9,r4c5r4c6|9,r4c7r4c8|11,r5c2r5c3|14,r5c5r6c5|14,r5c6r5c7r5c8r6c7|15,r6c2r6c3r6c4|9,r6c6r7c6|30,r6c0r6c1r7c0r8c0r8c1|12,r7c1r7c2|16,r7c3r7c4r7c5|24,r6c8r7c7r7c8r8c7r8c8|3,r8c2r8c3|12,r8c4r8c5r8c6", "solution": "354789126827631594169425837215374968938162745746598213572946381493817652681253479", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18809, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18810, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2019-08-28", "puzzle": 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"18,r0c3r1c3r2c3|12,r0c6r0c7|11,r0c0r1c0|18,r0c1r0c2r1c1|10,r0c4r0c5r1c4|3,r1c6r1c7|11,r0c8r1c8|10,r2c0r2c1r3c1|8,r1c2r2c2|19,r2c4r3c4r4c4|15,r1c5r2c5|15,r3c2r3c3r4c3|18,r2c6r2c7r3c6|18,r2c8r3c7r3c8|10,r3c0r4c0r4c1|20,r4c2r5c2r5c3|17,r3c5r4c5r4c6|13,r5c0r5c1|7,r5c5r5c6|3,r4c8r5c8|15,r6c0r7c0r8c0|8,r6c2r7c2|14,r5c4r6c3r6c4|5,r6c5r6c6|19,r4c7r5c7r6c7|14,r6c1r7c1|6,r7c3r7c4|5,r7c5r7c6|21,r6c8r7c7r7c8|8,r8c1r8c2|23,r8c3r8c4r8c5|11,r8c6r8c7r8c8", "solution": "248916753965437218713528469127693845634285971589741632852374196496152387371869524", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18829, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18833, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-09-01", "puzzle": "13,r0c3r0c4|9,r0c7r0c8|21,r0c0r0c1r0c2r1c0r2c0|24,r1c1r1c2r2c1r2c2|11,r1c3r1c4|0,r0c5r0c6r1c5|0,r1c7r1c8|5,r2c3r2c4|0,r1c6r2c6|6,r2c7r2c8|12,r3c3r3c4r4c3|10,r2c5r3c5|17,r3c6r3c7r4c7|5,r3c0r4c0|11,r3c1r4c1|10,r3c2r4c2|0,r4c4r4c5r5c4r5c5|11,r3c8r4c8|0,r5c0r5c1r6c0|17,r5c2r5c3|14,r4c6r5c6r5c7|0,r6c1r6c2|0,r6c4r6c5r7c5|15,r6c3r7c3r7c4|0,r6c6r6c7r7c6r7c7|0,r7c0r8c0|9,r7c1r8c1|0,r7c2r8c2|0,r8c3r8c4|0,r5c8r6c8r7c8r8c5r8c6r8c7r8c8", "solution": "142589736635471928897236415359814267261357894478962153526798341714623589983145672", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18833, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18831, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2019-09-01", "puzzle": 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"13,r0c0r0c1r1c0|12,r0c4r0c5|9,r0c6r0c7|9,r0c3r1c3|7,r1c4r1c5|16,r1c6r1c7|14,r0c8r1c8|32,r0c2r1c1r1c2r2c0r2c1r2c2|17,r2c3r2c4r2c5|12,r2c7r2c8r3c8|5,r3c0r3c1|11,r2c6r3c6|20,r3c2r4c2r5c2|19,r4c4r4c5r5c4|14,r3c7r4c6r4c7|9,r4c8r5c8r6c8|10,r4c0r5c0|10,r4c1r5c1|19,r3c3r3c4r3c5r4c3r5c3|17,r6c2r6c3|17,r5c5r5c6r6c5|8,r6c0r7c0|15,r6c1r7c1|18,r6c4r7c3r7c4|21,r5c7r6c6r6c7r7c5r7c6r7c7|8,r8c0r8c1|10,r7c2r8c2r8c3|13,r8c4r8c5r8c6|20,r7c8r8c7r8c8", "solution": "812739546453261798796458321237645819945182673168397452579826134381974265624513987", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18830, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18835, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2019-09-02", "puzzle": "38,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1|13,r0c3r0c4|16,r0c6r0c7|18,r0c5r1c3r1c4r1c5|14,r0c8r1c8r2c8r3c8|12,r1c6r2c5r2c6|11,r1c7r2c7|26,r2c2r2c3r3c2r3c3|13,r2c4r3c4|20,r3c5r3c6r3c7r4c7|9,r3c0r4c0|27,r3c1r4c1r5c0r5c1|3,r4c2r4c3|8,r4c4r4c5r5c4|33,r4c6r5c5r5c6r6c4r6c5|11,r4c8r5c7r5c8|19,r5c2r6c1r6c2|17,r5c3r6c3r7c3r7c4|9,r6c0r7c0|13,r7c1r7c2|14,r6c6r6c7r7c6r7c7|14,r8c0r8c1r8c2r8c3|16,r7c5r8c4r8c5|31,r6c8r7c8r8c6r8c7r8c8", "solution": "624583791918627354357941862432896517571234986896715423249178635785362149163459278", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18835, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18834, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2019-09-02", "puzzle": "27,r0c2r0c3r0c4r0c5r0c6|13,r0c0r1c0|5,r0c1r1c1|8,r1c2r1c3|9,r1c5r1c6|9,r0c7r1c7|14,r0c8r1c8|13,r2c1r2c2|17,r1c4r2c4r3c4|16,r2c6r2c7|9,r2c0r3c0r4c0|13,r2c3r3c2r3c3|16,r2c5r3c5r3c6|10,r2c8r3c8r4c8|22,r3c1r4c1r4c2r5c2|19,r3c7r4c6r4c7r5c6|12,r5c0r5c1|10,r4c3r5c3|15,r4c4r5c4|3,r4c5r5c5|10,r5c7r5c8|19,r6c0r7c0r8c0r8c1|20,r6c1r6c2r6c3r7c1r7c3|12,r6c4r7c4r8c4|35,r6c5r6c6r6c7r7c5r7c7|21,r6c8r7c8r8c7r8c8|20,r7c2r8c2r8c3|8,r7c6r8c5r8c6", "solution": "437918256921756348685234971168395724294671835573482619742169583359847162816523497", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18834, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18836, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2019-09-02", "puzzle": "3,r0c0r0c1|26,r0c2r0c3r0c4r0c5r1c5|24,r1c0r1c1r2c0r2c1r3c1|9,r1c3r1c4|16,r1c2r2c2r2c3|13,r2c4r2c5|45,r0c6r0c7r0c8r1c6r1c7r1c8r2c6r2c7r2c8|10,r3c2r3c3|22,r3c4r3c5r4c4r4c5|5,r3c6r4c6|25,r3c0r4c0r5c0r6c0|22,r4c1r4c2r5c1r5c2|6,r4c3r5c3r5c4|11,r4c7r5c7|26,r3c7r3c8r4c8r5c8r6c8|25,r6c3r6c4r7c3r7c4|12,r5c5r6c5|12,r5c6r6c6r6c7|25,r6c1r6c2r7c1r7c2|24,r7c5r7c6r7c7r8c6r8c7|13,r7c8r8c8|14,r7c0r8c0r8c1|17,r8c2r8c3r8c4r8c5", "solution": "127935846643182975859476231912857463735264198468319527584793612276541389391628754", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18836, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18837, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-09-02", "puzzle": "26,r0c3r0c4r0c5r1c3r1c4r1c5|19,r0c0r0c1r0c2r1c0|0,r1c1r1c2|13,r1c6r1c7|20,r0c6r0c7r0c8r1c8|10,r2c0r2c1|0,r2c2r2c3|0,r2c5r2c6|9,r2c7r2c8|8,r3c0r3c1|25,r2c4r3c3r3c4r3c5r4c4|0,r3c7r3c8|15,r3c2r4c1r4c2|0,r3c6r4c6r4c7|14,r4c0r5c0|22,r5c1r5c2r6c2r6c3|0,r4c3r4c5r5c3r5c4r5c5|28,r5c6r5c7r6c5r6c6|0,r4c8r5c8|0,r6c4r7c4|6,r6c0r7c0|14,r6c1r7c1|4,r6c7r7c7|0,r6c8r7c8|8,r8c0r8c1|17,r7c2r7c3r8c2|15,r8c3r8c4r8c5|16,r7c5r7c6r8c6|0,r8c7r8c8", "solution": "832497651675132498194865327718359264943628175526741983289514736467983512351276849", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18837, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18839, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2019-09-03", "puzzle": 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"14,r0c0r0c1r1c0|20,r0c3r0c4r0c5r0c6|24,r0c7r0c8r1c8|7,r1c3r1c4|0,r1c5r1c6|23,r0c2r1c1r1c2r2c0r2c1|16,r2c2r2c3r3c2|0,r2c4r2c5r2c6|7,r1c7r2c7|18,r3c3r3c4r4c3r4c4|0,r3c6r3c7|0,r2c8r3c8r4c8|21,r3c0r4c0r5c0r6c0|6,r3c1r4c1|0,r3c5r4c5|14,r4c2r5c2r6c2|0,r5c3r5c4|12,r4c7r5c7r5c8|15,r5c1r6c1|0,r4c6r5c5r5c6r6c4r6c5|0,r7c1r7c2|0,r6c3r7c3|20,r7c4r7c5r8c5|19,r6c6r6c7r7c6|0,r6c8r7c7r7c8r8c6r8c7r8c8|20,r7c0r8c0r8c1|0,r8c2r8c3r8c4", "solution": "234816579976524138158793246341675982825149763697382415462931857713258694589467321", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18943, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18944, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2019-09-24", "puzzle": "7,r0c0r0c1|23,r0c4r0c5r0c6r1c4|12,r1c0r1c1|7,r0c2r1c2|10,r0c3r1c3|13,r0c7r0c8r1c7|7,r2c3r2c4|14,r1c5r2c5|4,r1c6r2c6|21,r1c8r2c8r3c8|24,r2c0r3c0r4c0r5c0r6c0|8,r2c1r3c1|17,r2c2r3c2|11,r3c3r3c4|8,r3c5r3c6|28,r2c7r3c7r4c7r4c8r5c7r6c7|23,r4c1r4c2r4c3r4c4|7,r4c5r4c6|10,r5c1r6c1|8,r5c2r6c2|15,r5c3r5c4|15,r5c5r5c6|9,r6c3r6c4|10,r6c5r7c5|10,r6c6r7c6|15,r5c8r6c8r7c8|6,r7c0r7c1|6,r7c2r8c2|14,r7c3r8c3|13,r7c7r8c7r8c8|14,r8c0r8c1|16,r7c4r8c4r8c5r8c6", "solution": "341782965756349128829165374268473519497251683135698742973814256514926837682537491", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18944, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18940, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2019-09-23", "puzzle": "20,r0c0r0c1r0c2r1c2|16,r0c3r0c4r1c3|10,r0c5r0c6r1c5|20,r0c7r0c8r1c7r1c8|27,r1c0r1c1r2c0r2c1r3c0|19,r2c2r2c3r3c3|13,r1c4r2c4r3c4|22,r1c6r2c6r2c7|10,r3c1r4c1|7,r2c5r3c5r3c6|9,r2c8r3c7r3c8|15,r3c2r4c2|16,r4c5r4c6r4c7|11,r4c0r5c0r5c1|21,r4c3r4c4r5c3r5c4|17,r5c5r5c6r6c6|16,r4c8r5c7r5c8|28,r5c2r6c1r6c2r6c3r7c1r7c2|13,r6c4r6c5|10,r7c3r8c3r8c4|15,r7c4r7c5|21,r6c7r6c8r7c8r8c8|23,r6c0r7c0r8c0r8c1r8c2|26,r7c6r7c7r8c5r8c6r8c7", "solution": "942876135765123984183954762598761243617432598234598617871249356359687421426315879", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18940, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18942, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2019-09-23", "puzzle": "24,r0c1r0c2r0c3r1c1|0,r0c0r1c0|14,r1c2r1c3r2c3|6,r0c4r1c4r2c4|22,r0c5r0c6r1c5r1c6|0,r0c7r0c8r1c7r2c7|5,r2c0r2c1|17,r2c5r2c6|0,r1c8r2c8|10,r3c0r3c1|13,r2c2r3c2|0,r3c5r3c6r3c7|0,r4c0r5c0|0,r4c1r4c2|10,r4c6r4c7|0,r3c8r4c8|0,r5c1r5c2r5c3|37,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|7,r5c6r6c6|16,r5c7r5c8|8,r6c0r7c0|0,r6c2r6c3|14,r6c7r6c8|21,r6c1r7c1r8c0r8c1|19,r7c2r7c3r8c2r8c3|17,r6c4r7c4r8c4|19,r6c5r7c5r7c6|9,r7c8r8c8|10,r7c7r8c5r8c6r8c7", "solution": "948725316751936842326418975197382564465197283832654197214873659683549721579261438", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18942, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18945, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2019-09-24", "puzzle": "16,r0c2r0c3|3,r0c5r0c6|16,r0c0r0c1r1c0r2c0|15,r1c1r1c2|28,r0c4r1c4r2c4r3c4r4c4|11,r1c6r1c7|22,r0c7r0c8r1c8r2c8|12,r1c3r2c3|7,r1c5r2c5|20,r2c1r2c2r3c0r3c1|4,r3c2r3c3|10,r3c5r3c6|20,r2c6r2c7r3c7r3c8|20,r4c1r4c2r4c3r5c3|21,r4c5r4c6r4c7r5c5|22,r4c0r5c0r6c0r6c1|17,r5c1r5c2r6c2|16,r5c6r5c7r6c6|25,r4c8r5c8r6c7r6c8|3,r5c4r6c4|18,r7c0r7c1r8c0r8c1r8c2|18,r6c3r7c2r7c3|16,r6c5r7c5r7c6|22,r7c7r7c8r8c6r8c7r8c8|23,r7c4r8c3r8c4r8c5", "solution": "659732148287491563314856927963178254572643819148529376795314682426985731831267495", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18945, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18946, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2019-09-24", "puzzle": 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"10,r0c0r0c1|20,r0c2r0c3r1c2|11,r1c0r1c1|10,r0c4r0c5r1c4|17,r0c6r0c7r1c5r1c6|22,r0c8r1c7r1c8r2c7|13,r2c0r2c1r2c2|11,r1c3r2c3r2c4|16,r2c5r2c6|16,r3c6r3c7r4c6|12,r2c8r3c8r4c8r5c8|11,r3c0r4c0|3,r3c1r4c1|13,r3c2r4c2|21,r3c3r3c4r4c3r4c4|15,r3c5r4c5|12,r5c1r5c2|10,r5c4r5c5r6c5|16,r4c7r5c7r6c7|10,r5c0r6c0|18,r6c1r6c2r7c1|17,r5c3r6c3r6c4|9,r5c6r6c6|21,r7c2r7c3r7c4r8c3|14,r7c0r8c0|8,r8c1r8c2|7,r7c5r8c4r8c5|9,r7c6r8c6|33,r6c8r7c7r7c8r8c7r8c8", "solution": "736951248295648317148237965814579632329186754657423891483765129571392486962814573", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18954, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18957, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-09-26", "puzzle": 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"12,r0c0r0c1|10,r0c4r0c5r0c6|6,r1c0r1c1|19,r0c2r0c3r1c2|15,r1c3r1c4|8,r1c5r1c6|14,r0c7r1c7|6,r0c8r1c8|8,r2c0r2c1|11,r2c5r2c6|18,r2c2r3c2r4c2|15,r2c3r3c3r4c3|5,r2c4r3c4|17,r3c5r3c6|14,r2c7r3c7|4,r2c8r3c8|19,r3c0r4c0r5c0|11,r3c1r4c1r5c1|11,r4c4r4c5|11,r5c3r5c4r5c5|12,r4c6r5c6|13,r4c7r4c8r5c7|17,r6c0r6c1r7c0|7,r5c2r6c2|12,r6c5r6c6r6c7|19,r5c8r6c8r7c8|12,r6c3r7c3r8c3|17,r6c4r7c4|13,r7c5r7c6r7c7|17,r7c1r8c0r8c1|10,r7c2r8c2|10,r8c4r8c5r8c6|12,r8c7r8c8", "solution": "487936152153872694629514783235749861814365927976128345591483276342697518768251439", "extra": "{\"grid_size\": 9, \"puzzle_number\": 18959, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 18961, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2019-09-27", "puzzle": 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"15,r0c0r0c1r1c1|12,r0c3r0c4r0c5|9,r0c7r0c8|11,r0c2r1c2|5,r1c3r1c4|17,r0c6r1c6r2c6|8,r1c7r1c8|10,r1c0r2c0r3c0|11,r2c1r2c2|20,r2c3r2c4r3c3|14,r1c5r2c5|10,r3c4r4c4r5c4|17,r3c5r3c6|16,r2c7r2c8r3c7|14,r4c0r5c0|12,r3c1r4c1|11,r3c2r4c2r4c3|14,r4c5r4c6r5c6|7,r4c7r5c7|12,r3c8r4c8|17,r5c1r6c0r6c1|11,r5c2r5c3|5,r6c3r7c3|18,r5c5r6c4r6c5|10,r6c6r6c7|14,r5c8r6c8r7c8|15,r7c0r7c1|16,r6c2r7c2r8c2|6,r7c4r7c5|8,r7c6r8c6|4,r8c0r8c1|21,r8c3r8c4r8c5|15,r7c7r8c7r8c8", "solution": "459732681762148935138596247241679853586423719973815462825367194694251378317984526", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19384, \"original_difficulty\": 1}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19386, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-12-21", "puzzle": 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"8,r0c0r0c1r1c1|8,r0c3r0c4|0,r0c2r1c2r1c3|11,r0c5r1c5|13,r0c6r1c6|16,r0c7r0c8r1c7|18,r1c0r2c0r2c1|13,r1c4r2c4|0,r2c5r2c6|10,r1c8r2c8r3c8|0,r2c2r3c2|5,r2c3r3c3|9,r3c5r3c6|11,r2c7r3c7|0,r3c0r3c1r4c0r5c0r5c1|0,r4c1r4c2r4c3|14,r3c4r4c4r5c4|0,r4c5r4c6|0,r4c7r4c8|0,r5c2r6c2|10,r5c3r6c3|16,r5c5r5c6|0,r5c7r6c7|16,r6c0r6c1r7c0|13,r6c4r7c4|9,r6c5r6c6|14,r5c8r6c8r7c8|0,r7c2r7c3r8c2|3,r7c5r8c5|7,r7c6r8c6|0,r7c7r8c7r8c8|18,r7c1r8c0r8c1|12,r8c3r8c4", "solution": "154623987326798415789145263978416352412357896635289741261874539893562174547931628", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19387, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19388, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-12-21", "puzzle": 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"9,r0c0r0c1|0,r0c6r0c7r1c6r1c7|10,r1c0r1c1|6,r0c2r1c2|0,r0c3r1c3r2c3r2c4|15,r0c4r1c4|6,r0c5r1c5|5,r0c8r1c8|11,r2c1r2c2|20,r2c6r2c7r3c7|0,r2c0r3c0r3c1r4c1|11,r3c4r4c4r5c4|0,r2c5r3c5r3c6|15,r2c8r3c8r4c8|0,r3c2r3c3r4c2r4c3|0,r4c5r4c6r5c5r5c6|7,r4c0r5c0r6c0|20,r5c2r5c3r6c3|0,r4c7r5c7r5c8r6c8|0,r5c1r6c1r6c2|4,r6c6r6c7|12,r7c0r8c0|9,r7c3r8c3|0,r7c4r8c4|0,r6c4r6c5r7c5r8c5|13,r7c6r8c6|11,r7c7r7c8|0,r7c1r7c2r8c1r8c2|12,r8c7r8c8", "solution": "812675943374981562965432871629317458157248396438569217286794135741853629593126784", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19402, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19403, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2019-12-24", "puzzle": "11,r0c2r0c3|0,r0c5r0c6|0,r0c0r0c1r1c0r1c1r2c0|17,r1c2r1c3|0,r0c4r1c4|7,r1c5r1c6|15,r0c7r0c8r1c7r1c8r2c8|0,r2c1r2c2|0,r2c4r3c4r4c4|0,r2c6r2c7|0,r3c1r3c2|0,r2c3r3c3|0,r2c5r3c5|0,r3c6r3c7|0,r3c0r4c0r5c0|17,r3c8r4c8r5c8|13,r4c1r5c1|12,r4c2r5c2|3,r4c3r5c3|14,r4c5r5c5|6,r4c6r5c6|12,r4c7r5c7|0,r6c0r6c1r6c2r7c1r7c2|0,r5c4r6c3r6c4r6c5|25,r6c6r6c7r6c8r7c6r7c7|0,r7c3r7c4r7c5|0,r7c0r8c0r8c1|0,r8c2r8c3r8c4r8c5r8c6|19,r7c8r8c7r8c8", "solution": "917465832328971645465823791246357918153298476789146253594612387631784529872539164", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19403, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19404, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2019-12-25", "puzzle": "11,r0c2r0c3|5,r0c0r1c0|11,r0c1r1c1r1c2|18,r1c3r2c3r2c4|19,r0c4r0c5r1c4|6,r0c6r1c6|13,r0c7r1c7|11,r0c8r1c8|13,r2c1r2c2|8,r1c5r2c5r2c6|19,r2c7r2c8r3c8|15,r2c0r3c0|11,r3c1r3c2|4,r3c3r3c4|14,r3c6r3c7|6,r3c5r4c5|11,r4c6r4c7r4c8|18,r4c0r5c0r6c0|10,r4c1r4c2r5c1|14,r4c3r5c3|12,r4c4r5c4|16,r5c5r5c6|7,r5c7r5c8|16,r5c2r6c1r6c2|13,r6c3r6c4r7c3|12,r6c5r6c6|9,r7c0r7c1|14,r6c7r7c6r7c7|8,r6c8r7c8|3,r8c0r8c1|19,r7c2r8c2r8c3|17,r7c4r7c5r8c4|9,r8c5r8c6|13,r8c7r8c8", "solution": "139247568462985173785361249874132956953674812621859734396518427548726391217493685", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19404, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19405, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2019-12-25", "puzzle": "10,r0c3r0c4|12,r0c5r0c6|19,r0c0r0c1r0c2r1c0|21,r1c1r1c2r1c3r1c4r2c1|16,r0c7r0c8r1c7r1c8|7,r1c5r2c5|19,r1c6r2c6r2c7|10,r2c8r3c8|11,r2c0r3c0r3c1|14,r2c2r3c2|20,r2c3r2c4r3c3|5,r3c6r3c7|28,r4c0r4c1r5c0r5c1|8,r4c2r4c3|24,r3c4r3c5r4c4r4c5|10,r4c8r5c8|15,r5c2r5c3r6c2r6c3|12,r5c4r6c4|13,r4c6r5c5r5c6|15,r6c1r7c1r7c2|11,r6c5r6c6|26,r4c7r5c7r6c7r7c6r7c7|29,r6c0r7c0r8c0r8c1r8c2|10,r7c3r7c4r8c3r8c4|14,r7c5r8c5r8c6|26,r6c8r7c8r8c7r8c8", "solution": "236198475857624913419753826165879234943562781782341569321985647694217358578436192", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19405, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19406, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2019-12-25", "puzzle": 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"8,r0c0r0c1|8,r0c4r0c5|9,r0c7r0c8|14,r0c2r1c1r1c2|19,r0c3r1c3r1c4|16,r0c6r1c5r1c6|11,r1c7r1c8|11,r1c0r2c0|17,r2c1r2c2r3c1|17,r2c3r2c4r2c5|17,r2c6r2c7r3c7|11,r3c2r3c3|16,r3c5r3c6r4c5|3,r2c8r3c8|11,r3c0r4c0|9,r4c1r4c2|14,r3c4r4c4r5c4|7,r4c6r4c7|13,r4c8r5c8|7,r5c0r6c0|16,r4c3r5c2r5c3|11,r5c5r5c6|15,r5c1r6c1r6c2|19,r6c3r6c4r6c5|12,r5c7r6c6r6c7|13,r6c8r7c8|14,r7c0r7c1|14,r7c2r7c3r8c2|16,r7c4r7c5r8c5|10,r7c6r7c7r8c6|3,r8c0r8c1|9,r8c3r8c4|15,r8c7r8c8", "solution": "718326945542791683693548712257463891981275436436819257375982164864157329129634578", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19434, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19436, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2019-12-31", "puzzle": 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"14,r0c1r0c2r0c3|0,r0c0r1c0|12,r1c3r2c3|16,r0c4r1c4|15,r0c5r0c6r1c5|0,r0c7r0c8r1c6r1c7|22,r1c1r1c2r2c0r2c1|0,r2c6r2c7|5,r1c8r2c8|34,r3c0r3c1r4c0r4c1r5c0r5c1|23,r2c2r3c2r4c2r5c2r6c2|0,r2c4r3c4|0,r2c5r3c5r3c6|0,r3c7r3c8|12,r4c4r4c5r4c6|10,r4c7r4c8|19,r3c3r4c3r5c3|9,r5c4r6c4|21,r5c5r5c6r6c5|0,r5c7r5c8|13,r6c0r6c1r7c1r7c2|10,r6c6r6c7|12,r6c8r7c8|0,r7c0r8c0|0,r6c3r7c3|7,r7c4r8c4|14,r7c5r8c5r8c6|18,r7c6r7c7r8c7r8c8|0,r8c1r8c2r8c3", "solution": "348271965162895743597463812934756281851924637726318459215689374673542198489137526", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19437, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19435, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2019-12-31", "puzzle": "10,r0c0r0c1|22,r0c2r0c3r0c4|11,r0c5r0c6r1c5|14,r0c7r0c8r1c7r1c8|8,r1c3r1c4|14,r1c0r2c0r3c0|21,r1c1r1c2r2c1r3c1|17,r2c2r2c3r2c4|20,r1c6r2c6r2c7|10,r2c8r3c7r3c8|12,r3c3r3c4|17,r2c5r3c5r3c6|7,r4c0r4c1|13,r3c2r4c2|19,r4c3r4c4r5c3r5c4|5,r4c5r5c5|15,r4c7r5c7|11,r5c0r5c1r5c2|11,r4c6r5c6r6c6|19,r4c8r5c8r6c8|20,r6c0r6c1r6c2r7c2r8c2|8,r6c4r6c5|25,r7c0r7c1r8c0r8c1|12,r6c3r7c3r8c3|11,r7c4r8c4|23,r6c7r7c5r7c6r7c7|15,r7c8r8c8|15,r8c5r8c6r8c7", "solution": "378594621495621783216387945864759132529813467137462598681935274942178356753246819", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19435, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19439, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2020-01-01", "puzzle": "18,r0c0r0c1r0c2|4,r0c4r0c5|12,r0c6r0c7|14,r1c1r1c2|13,r0c3r1c3|7,r1c4r1c5|12,r1c6r1c7|12,r0c8r1c8r2c8|5,r1c0r2c0|16,r2c3r2c4r3c4|9,r2c6r2c7|16,r2c1r2c2r3c1|14,r3c2r3c3r4c3|14,r2c5r3c5|12,r3c7r3c8|15,r4c1r4c2r5c1|8,r4c4r4c5|8,r3c6r4c6r4c7|17,r3c0r4c0r5c0|14,r5c3r5c4|12,r5c5r5c6|17,r4c8r5c7r5c8|8,r5c2r6c2r7c2|18,r6c3r6c4r6c5|11,r6c6r7c6|13,r6c0r7c0|5,r6c1r7c1|7,r7c3r7c4|9,r7c5r8c5|11,r6c7r7c7|11,r6c8r7c8|11,r8c0r8c1|20,r8c2r8c3r8c4|12,r8c6r8c7r8c8", "solution": "297613485468725931153498276984236157526871349371954862745189623612347598839562714", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19439, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19441, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2020-01-01", "puzzle": "9,r0c2r0c3|8,r0c7r0c8|23,r0c0r0c1r1c0r1c1|5,r1c2r1c3|12,r0c4r1c4r2c4|11,r0c5r1c5|15,r0c6r1c6|20,r1c7r2c6r2c7r3c7|26,r1c8r2c8r3c8r4c7r4c8|9,r2c0r3c0|4,r2c1r3c1|22,r2c2r2c3r3c2r3c3|20,r2c5r3c5r3c6|18,r4c0r4c1r4c2|17,r3c4r4c3r4c4|6,r5c0r5c1|19,r5c2r5c3r6c3|10,r5c7r5c8|11,r6c0r6c1|36,r4c5r4c6r5c4r5c5r5c6r6c4r6c5r6c6|17,r6c2r7c1r7c2r7c3|11,r7c0r8c0|27,r7c4r8c1r8c2r8c3r8c4|7,r7c5r8c5|42,r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "192748635854163927637529814318257496576934281249681573921476358485312769763895142", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19441, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19440, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2020-01-01", "puzzle": "16,r0c0r0c1|26,r0c3r0c4r0c5r1c4r1c5|12,r0c6r0c7r1c6|17,r0c2r1c0r1c1r1c2r2c1|10,r0c8r1c8|14,r1c3r2c2r2c3|21,r1c7r2c7r2c8|17,r2c0r3c0|14,r3c1r3c2r4c2|13,r3c3r4c3|28,r2c4r2c5r3c4r4c4r5c4r6c3r6c4|14,r2c6r3c5r3c6|4,r3c7r3c8|3,r4c0r4c1|13,r4c7r4c8|11,r5c0r5c1|20,r5c2r5c3r6c2|14,r4c5r5c5|22,r4c6r5c6r5c7|10,r5c8r6c8|13,r6c0r6c1r7c1|10,r6c5r6c6r7c5|8,r7c0r8c0|26,r6c7r7c6r7c7r7c8r8c6|15,r7c2r8c1r8c2|26,r7c3r7c4r8c3r8c4r8c5|8,r8c7r8c8", "solution": "791452836632987154854163297965728413213649785478315962149576328587231649326894571", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19440, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19442, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2020-01-01", "puzzle": "10,r0c1r0c2|0,r0c6r0c7|21,r0c0r1c0r1c1r1c2|25,r0c3r0c4r0c5r1c3r1c4r1c5|0,r0c8r1c6r1c7r1c8|20,r2c3r2c4r2c5|0,r2c0r3c0|0,r2c1r2c2r3c1|0,r2c6r2c7r3c7|3,r2c8r3c8|16,r4c0r4c1|10,r3c2r4c2|14,r3c3r4c3r5c3|7,r3c4r4c4|23,r3c5r4c5r5c5|13,r3c6r4c6|4,r4c7r4c8|22,r5c0r5c1r5c2r6c2r6c3|0,r5c6r5c7r5c8r6c5r6c6|21,r6c0r6c1r7c1|13,r5c4r6c4r7c4|0,r6c7r6c8r7c7|7,r7c2r7c3|5,r7c5r7c6|13,r7c0r8c0|5,r8c1r8c2|18,r8c3r8c4r8c5|0,r8c6r8c7|0,r7c8r8c8", "solution": "537124968619387425248965371154736892796248513382519746865472139971653284423891657", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19442, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19443, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2020-01-01", "puzzle": "0,r0c0r0c1r0c2r1c0r1c1r2c0|8,r0c3r0c4|19,r0c5r0c6r0c7r1c7|9,r1c2r1c3|17,r1c4r1c5r1c6|17,r0c8r1c8|9,r2c4r2c5|12,r2c6r2c7r2c8|0,r3c0r4c0|0,r2c1r3c1|0,r2c2r2c3r3c2r3c3|0,r3c4r3c5|0,r3c8r4c8|16,r4c3r5c3|9,r3c6r4c6|8,r3c7r4c7|0,r4c1r5c1r6c1|10,r4c2r5c2|0,r4c4r4c5r5c4|0,r5c7r5c8|21,r5c0r6c0r7c0r7c1|0,r6c3r6c4|0,r5c5r5c6r6c5r6c6r6c7r7c6r7c7|0,r7c3r7c4|0,r7c5r8c5|8,r8c0r8c1|0,r6c2r7c2r8c2|0,r8c3r8c4|0,r6c8r7c8r8c6r8c7r8c8", "solution": "138624759624597138975318642569183427817942563243756891491835276782469315356271984", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19443, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19445, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2020-01-02", "puzzle": "28,r0c0r0c1r0c2r1c0r1c1r2c0|14,r0c3r1c3|6,r0c4r1c4|14,r0c5r1c5|31,r0c6r0c7r0c8r1c7r1c8r2c8|18,r1c2r2c1r2c2r2c3|21,r1c6r2c5r2c6r2c7|12,r3c0r3c1|4,r2c4r3c4|17,r3c7r3c8|10,r3c2r3c3r4c1r4c2|21,r4c3r4c4r4c5|18,r3c5r3c6r4c6r4c7|9,r4c0r5c0|12,r5c4r6c4|6,r4c8r5c8|34,r5c1r5c2r5c3r6c1r6c2|20,r5c5r5c6r5c7r6c6r6c7|10,r6c0r7c0|7,r6c3r7c3|4,r6c5r7c5|13,r6c8r7c8|19,r7c1r8c0r8c1|6,r7c2r8c2|27,r7c4r8c3r8c4r8c5|13,r7c6r8c6|11,r7c7r8c7r8c8", "solution": "193645827467829153528137946754316298612984375389752461846271539271593684935468712", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19445, \"original_difficulty\": 7}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19444, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2020-01-02", "puzzle": "11,r0c1r0c2r0c3|28,r0c4r0c5r0c6r0c7|11,r0c0r1c0r1c1|13,r1c3r1c4r2c4|8,r1c5r2c5|16,r1c6r1c7|5,r0c8r1c8|24,r1c2r2c2r2c3|18,r2c0r2c1r3c0r3c1|23,r3c2r3c3r4c3|3,r2c6r3c6|19,r2c7r2c8r3c7r3c8|19,r4c0r4c1r4c2r5c0|5,r3c4r4c4|11,r3c5r4c5|12,r4c6r4c7|7,r5c2r5c3|7,r5c4r5c5|14,r4c8r5c8|22,r5c1r6c0r6c1r6c2r6c3|12,r6c4r6c5|12,r5c6r5c7r6c6|30,r7c0r7c1r8c0r8c1|20,r7c2r7c3r7c4r7c5r7c6|17,r6c7r7c7|12,r6c8r7c8r8c8|6,r8c2r8c3|15,r8c4r8c5|5,r8c6r8c7", "solution": "417359862258416973639782145546837219381924756792561438124693587873245691965178324", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19444, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19446, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2020-01-02", "puzzle": "30,r0c0r0c1r1c0r1c1r1c2r1c3|16,r0c2r0c3|18,r0c5r0c6r0c7r1c5|23,r0c8r1c6r1c7r1c8r2c6|11,r2c0r2c1|19,r0c4r1c4r2c3r2c4r2c5|8,r3c0r3c1|18,r2c2r3c2r4c2|19,r3c5r3c6r3c7r4c5|25,r4c0r4c1r5c0r6c0r6c1|28,r2c7r2c8r3c8r4c7r4c8|17,r4c3r5c1r5c2r5c3|25,r3c3r3c4r4c4r5c4r5c5|19,r4c6r5c6r6c6|10,r5c7r5c8|19,r6c3r6c4r6c5r7c4r8c4|12,r6c7r6c8|22,r6c2r7c0r7c1r7c2r8c0|23,r7c3r8c1r8c2r8c3|6,r8c5r8c6|37,r7c5r7c6r7c7r7c8r8c7r8c8", "solution": "687942351531768249924153768269387514845216937173594682758621493316479825492835176", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19446, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19448, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2020-01-02", "puzzle": "0,r0c0r0c1|13,r0c3r0c4|0,r0c5r0c6|0,r0c2r1c2|0,r1c3r1c4|7,r1c5r1c6|0,r0c7r1c7|13,r0c8r1c8|0,r1c0r2c0|0,r1c1r2c1|0,r2c2r2c3r2c4r2c5|0,r3c0r3c1|8,r3c2r3c3|0,r2c6r3c6|9,r2c7r3c7|13,r4c0r4c1|0,r4c2r4c3|0,r3c4r4c4r5c4|0,r3c5r4c5r5c5|0,r4c6r4c7|28,r2c8r3c8r4c8r5c8r6c8|5,r5c0r5c1|0,r5c2r5c3|9,r5c6r6c6|10,r5c7r6c7|0,r6c0r7c0|0,r6c1r7c1|0,r6c2r6c3r6c4r6c5|12,r7c2r8c2|0,r7c3r7c4|11,r7c5r7c6|12,r7c7r8c7|0,r7c8r8c8|0,r8c0r8c1|0,r8c3r8c4|6,r8c5r8c6", "solution": "712945638986173425543268719461739582857421396329856147295317864174682953638594271", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19448, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19449, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2020-01-03", "puzzle": "12,r0c0r0c1r0c2|5,r0c3r0c4|20,r0c5r0c6r0c7|12,r1c0r1c1|13,r1c2r1c3r1c4|11,r1c6r1c7r2c6|16,r1c5r2c5r3c5|13,r0c8r1c8r2c8|12,r2c0r3c0r4c0|17,r2c1r3c1r4c1|15,r2c2r2c3r3c2|13,r2c4r3c4|21,r2c7r3c7r3c8|5,r3c3r4c3|10,r4c4r4c5|11,r3c6r4c6|13,r4c7r4c8r5c8|15,r4c2r5c2|22,r5c3r5c4r5c5|5,r5c6r5c7|11,r5c0r6c0|8,r5c1r6c1|18,r6c4r6c5r6c6|7,r6c7r6c8|12,r7c0r7c1|18,r6c2r6c3r7c2|6,r7c3r7c4|9,r7c7r7c8|11,r8c0r8c1|7,r8c2r8c3|9,r7c5r8c4r8c5|17,r7c6r8c6|11,r8c7r8c8", "solution": "615324798937518264842976351384162579159437682726895413463789125578241936291653847", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19449, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19450, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2020-01-03", "puzzle": "24,r0c5r0c6r0c7|21,r0c1r0c2r0c3r1c1|10,r1c2r1c3|3,r0c4r1c4|23,r0c8r1c7r1c8r2c7r2c8|10,r2c1r2c2|8,r2c3r2c4|13,r1c5r2c5|5,r1c6r2c6|13,r3c3r3c4|14,r3c5r3c6r3c7|29,r3c1r3c2r4c1r5c1r5c2|9,r4c2r4c3|12,r4c4r4c5|11,r4c6r4c7|13,r3c8r4c8r5c8|11,r5c3r5c4|15,r5c5r5c6r5c7|9,r6c1r6c2|5,r6c3r6c4|9,r6c5r7c5|12,r6c6r7c6|45,r0c0r1c0r2c0r3c0r4c0r5c0r6c0r7c0r8c0|20,r7c1r8c1r8c2r8c3|13,r7c2r7c3|10,r7c4r8c4|27,r6c7r6c8r7c7r7c8r8c8|11,r8c5r8c6r8c7", "solution": "435627891672819345819354276167582934248193657593476182954231768326748519781965423", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19450, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19451, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2020-01-03", "puzzle": "22,r0c3r0c4r1c3|14,r0c5r0c6r0c7|5,r0c0r1c0|17,r0c1r0c2r1c1|4,r1c5r1c6|11,r0c8r1c8|23,r1c2r2c1r2c2r3c2|23,r1c4r2c3r2c4r3c3r3c4|33,r1c7r2c5r2c6r2c7r2c8r3c7|18,r2c0r3c0r3c1r4c0r5c0|19,r4c1r4c2r5c2r5c3|21,r4c3r4c4r4c5|22,r3c5r3c6r4c6r4c7|15,r3c8r4c8r5c7r5c8r6c8|33,r5c1r6c0r6c1r6c2r6c3r7c1|25,r5c4r5c5r6c4r6c5r7c4|19,r5c6r6c6r6c7r7c6|15,r7c0r8c0|8,r7c2r7c3|13,r7c7r8c6r8c7|17,r7c8r8c8|13,r8c1r8c2r8c3|15,r7c5r8c4r8c5", "solution": "129857346467923185583461297715382964246579831398146752874295613932614578651738429", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19451, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19452, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2020-01-03", "puzzle": "11,r0c0r0c1|12,r0c2r0c3|10,r1c2r1c3|0,r0c4r1c4|14,r0c5r0c6r1c5r2c5|16,r1c6r2c6r2c7|20,r0c7r0c8r1c7r1c8|0,r1c0r2c0|0,r1c1r2c1|17,r2c2r2c3r2c4|6,r3c3r4c3|19,r3c4r3c5r4c4r4c5|0,r2c8r3c6r3c7r3c8|0,r3c0r3c1r4c0|0,r3c2r4c2|15,r4c7r4c8|16,r4c1r5c0r5c1|0,r5c4r5c5|0,r4c6r5c6r6c6|3,r5c7r6c7|0,r5c8r6c8|44,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|0,r5c2r5c3r6c2r6c3|9,r6c4r6c5|18,r7c3r7c4r8c3|0,r7c6r7c7|10,r7c8r8c8|10,r7c5r8c4r8c5|0,r8c6r8c7", "solution": "387592164549168273126743598218476935934215687675389412791854326462937851853621749", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19452, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19453, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2020-01-03", "puzzle": "13,r0c0r0c1r1c0r1c1|16,r0c3r0c4|0,r0c5r0c6|10,r0c7r0c8|11,r1c3r1c4r2c3|0,r1c5r1c6|17,r1c7r1c8|0,r0c2r1c2r2c0r2c1r2c2|0,r2c4r2c5|15,r2c6r2c7r2c8|32,r3c3r3c4r3c5r4c3r5c3|6,r3c6r3c7|0,r3c0r4c0|0,r3c1r3c2r4c1|0,r4c4r4c5r5c4r5c5|8,r3c8r4c8|4,r4c2r5c2|0,r4c6r5c6r6c4r6c5r6c6|0,r4c7r5c7r5c8|0,r5c0r6c0|17,r5c1r6c1|0,r6c7r6c8|0,r6c2r7c2r8c2|10,r6c3r7c3|0,r7c4r7c5r8c5|0,r7c6r8c6|0,r7c7r7c8r8c7r8c8|0,r7c0r8c0|5,r7c1r8c1|0,r8c3r8c4", "solution": "238795164175634298469218357824379516653841972791526483582163749346957821917482635", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19453, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19454, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2020-01-04", "puzzle": 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"19,r0c0r0c1r0c2r1c2|8,r0c5r0c6r0c7|29,r0c3r0c4r1c3r1c4|13,r0c8r1c8r2c8|5,r1c0r2c0|13,r1c1r2c1|12,r2c2r2c3r2c4|41,r1c5r1c6r1c7r2c5r2c6r2c7r3c5|13,r3c0r3c1r3c2|18,r4c0r4c1r5c0r5c1|14,r4c2r5c2|36,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|8,r3c6r4c6|22,r3c7r3c8r4c7r4c8|15,r5c6r5c7r5c8|30,r5c3r6c1r6c2r6c3r7c1r7c2r7c3|12,r6c4r6c5r6c6|12,r6c7r7c7|7,r6c8r7c8|19,r6c0r7c0r8c0|25,r7c4r7c5r8c4r8c5|17,r8c1r8c2r8c3|17,r7c6r8c6r8c7r8c8", "solution": "576894132391752486248136795724685319169273548835419267687321954912548673453967821", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19456, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19455, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2020-01-04", "puzzle": "15,r0c2r0c3|9,r0c4r0c5|16,r0c0r0c1r1c0|19,r0c6r0c7r1c6r1c7|15,r0c8r1c8r2c8|12,r1c1r1c2r2c1r2c2|16,r1c3r2c3|14,r1c4r1c5r2c4r2c5|10,r2c0r3c0|12,r3c1r3c2|23,r3c3r3c4r3c5r4c3r5c3|13,r2c6r3c6|9,r2c7r3c7r3c8|22,r4c1r4c2r5c1r5c2|21,r4c6r4c7r4c8|9,r4c0r5c0|14,r4c4r4c5r5c4|8,r5c7r5c8|12,r6c2r6c3|20,r5c5r5c6r6c5|19,r6c0r6c1r7c0r7c1|13,r7c2r7c3r8c3|9,r6c4r7c4r8c4|23,r6c6r6c7r7c6r7c7|16,r8c0r8c1r8c2|14,r7c5r8c5|22,r6c8r7c8r8c6r8c7r8c8", "solution": "459681372736952814821734659284596731615273948397148526568417293172369485943825167", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19455, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19457, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2020-01-04", "puzzle": "9,r0c2r0c3|17,r0c4r0c5|5,r0c0r1c0|8,r0c1r1c1|13,r1c2r1c3|14,r1c4r1c5r2c5|7,r0c6r1c6|26,r0c7r1c7r2c7r2c8|10,r0c8r1c8|0,r2c0r2c1r2c2r2c3r2c4|17,r3c0r3c1r3c2r3c3|0,r2c6r3c6|0,r3c7r3c8r4c8|5,r4c1r4c2|15,r4c3r5c3|9,r3c4r4c4r5c4|0,r3c5r4c5|0,r4c6r4c7|22,r4c0r5c0r5c1|0,r5c2r6c2|0,r5c5r5c6r5c7r5c8|23,r6c4r6c5r6c6r6c7r6c8|16,r7c0r8c0|0,r6c0r6c1r7c1r8c1|0,r7c2r8c2|0,r6c3r7c3r7c4|15,r7c5r7c6|0,r7c7r8c7|7,r7c8r8c8|17,r8c3r8c4|0,r8c5r8c6", "solution": "467298153129435687385176249273564918514829376896713524658342791941657832732981465", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19457, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19458, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2020-01-04", "puzzle": "12,r0c0r0c1r0c2|13,r0c3r0c4|0,r1c1r1c2|0,r1c3r1c4r2c4r2c5|0,r0c5r1c5|0,r1c0r2c0|4,r2c2r2c3|0,r1c6r2c6r2c7|28,r0c6r0c7r0c8r1c7r1c8r2c8|0,r2c1r3c1|7,r3c2r3c3|15,r3c7r3c8|0,r3c0r4c0|0,r4c1r4c2|0,r3c4r3c5r4c4r4c5|0,r3c6r4c6r4c7r5c7|7,r4c8r5c8|0,r5c0r5c1r5c2|0,r4c3r5c3r5c4|0,r5c5r6c5|0,r5c6r6c6|19,r6c0r6c1r6c2r7c2r8c2|0,r6c4r7c4|5,r6c7r7c7|0,r7c0r7c1r8c0r8c1|0,r6c3r7c3r8c3|12,r7c5r7c6|0,r6c8r7c8r8c8|11,r8c4r8c5|6,r8c6r8c7", "solution": "237948561985216743461375289742531896396827415518469372129754638654183927873692154", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19458, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19459, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2020-01-05", "puzzle": "10,r0c1r0c2|8,r0c3r0c4|17,r0c0r1c0r1c1|14,r0c5r0c6r1c5|15,r0c7r1c6r1c7|15,r0c8r1c8|9,r1c2r2c1r2c2|8,r1c3r2c3|15,r1c4r2c4|12,r2c5r2c6|12,r2c7r2c8r3c7|11,r3c2r3c3|3,r3c5r3c6|18,r2c0r3c0r4c0|11,r3c1r4c1|16,r3c4r4c3r4c4|14,r4c5r4c6r5c6|19,r3c8r4c7r4c8|9,r5c0r5c1|20,r4c2r5c2r5c3|16,r5c4r5c5r6c4|11,r5c7r6c7|3,r6c2r6c3|14,r6c5r7c5|5,r5c8r6c8|8,r6c0r7c0|5,r6c1r7c1|14,r7c2r7c3r7c4|20,r6c6r7c6r7c7|17,r8c0r8c1|10,r8c2r8c3|10,r8c4r8c5|3,r8c6r8c7|13,r7c8r8c8", "solution": "628351479471289536935674821753862194264915387189743652542198763317526948896437215", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19459, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19460, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2020-01-05", "puzzle": "30,r0c0r0c1r0c2r1c0r1c1|10,r0c3r0c4|5,r0c5r0c6|3,r1c2r1c3|15,r1c4r1c5|15,r0c7r1c6r1c7|25,r0c8r1c8r2c8r3c8|22,r2c0r2c1r2c2r2c3|5,r2c7r3c7|18,r3c1r3c2r4c1|12,r2c4r3c3r3c4|14,r2c5r2c6r3c5r3c6|10,r3c0r4c0|24,r4c2r4c3r4c4r4c5r4c6|14,r4c8r5c8|22,r5c2r5c3r6c2r6c3|21,r5c4r5c5r6c4|17,r4c7r5c6r5c7|6,r5c1r6c1|20,r6c5r6c6r6c7r6c8|14,r5c0r6c0r7c0r8c0|20,r7c1r7c2r8c1|14,r7c3r7c4|10,r7c5r7c6|4,r8c2r8c3|15,r8c4r8c5|20,r7c7r7c8r8c6r8c7r8c8", "solution": "962734185851296347437815629789561234316427598245389716528643971174952863693178452", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19460, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19461, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2020-01-05", "puzzle": "14,r0c3r0c4|17,r0c5r0c6r0c7r0c8|24,r0c0r0c1r0c2r1c0r2c0|12,r1c3r1c4|9,r1c5r1c6|8,r1c7r1c8|21,r1c1r1c2r2c1r2c2|12,r2c5r3c5|13,r2c6r2c7|8,r3c0r4c0|11,r2c3r3c2r3c3|10,r2c4r3c4|7,r3c6r4c6|12,r2c8r3c8|11,r3c1r4c1|11,r4c2r4c3|18,r4c4r4c5r5c4r5c5|19,r3c7r4c7r5c7r6c7r6c8|14,r5c1r6c1|7,r5c2r5c3|13,r4c8r5c8|20,r5c0r6c0r7c0r8c0|13,r6c3r6c4|14,r5c6r6c5r6c6|16,r6c2r7c2|28,r7c3r7c4r7c5r7c6r8c6|7,r7c1r8c1|7,r8c2r8c3|9,r8c4r8c5|20,r7c7r7c8r8c7r8c8", "solution": "734951286925486371186273945248139657673845129591627834359762418817394562462518793", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19461, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19464, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2020-01-06", "puzzle": "6,r0c1r0c2|22,r0c0r1c0r2c0r3c0|9,r0c3r1c3|32,r0c4r0c5r0c6r0c7r1c4|15,r1c5r1c6|10,r0c8r1c8|18,r1c1r1c2r2c1|10,r2c2r2c3|4,r2c4r2c5|8,r2c6r3c6|3,r1c7r2c7|7,r3c1r3c2|33,r3c4r3c5r4c4r4c5r5c4r5c5|18,r2c8r3c7r3c8|16,r4c0r4c1r4c2|12,r3c3r4c3r5c3|16,r4c6r4c7r4c8|7,r5c1r5c2|18,r5c7r5c8r6c8|20,r6c1r7c1r7c2|10,r6c2r6c3|9,r6c4r6c5|8,r5c6r6c6|10,r6c7r7c7|20,r5c0r6c0r7c0r8c0|14,r7c3r8c3|26,r7c4r8c4r8c5r8c6r8c7|9,r7c5r7c6|6,r7c8r8c8|9,r8c1r8c2", "solution": "215789463438256917976413528752864391349175286861392745584627139693541872127938654", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19464, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19462, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2020-01-05", "puzzle": 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"18,r0c0r0c1r0c2r1c0r1c1|45,r0c3r0c4r0c5r1c3r1c4r1c5r2c3r2c4r2c5|29,r0c6r0c7r0c8r1c7r1c8|20,r1c2r2c1r2c2|15,r1c6r2c6r2c7|11,r2c0r3c0|16,r3c1r3c2|3,r3c6r3c7|6,r2c8r3c8|16,r4c0r4c1r4c2|12,r3c3r4c3|9,r3c4r4c4|8,r3c5r4c5|17,r4c6r4c7r4c8|7,r5c0r5c1|16,r5c3r5c4r5c5|12,r5c7r5c8|17,r6c0r6c1r7c1|5,r5c2r6c2|17,r5c6r6c6|17,r6c7r6c8r7c7|7,r6c3r7c3|15,r6c4r7c4|5,r6c5r7c5|15,r7c0r8c0r8c1|10,r7c2r8c2|18,r8c3r8c4r8c5|5,r7c6r8c6|14,r7c8r8c7r8c8", "solution": "321657489845139762769428531497386125538912674612745893273561948186294357954873216", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19465, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19466, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2020-01-06", "puzzle": 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"15,r0c1r0c2r0c3|10,r0c5r0c6|10,r0c7r0c8|11,r0c0r1c0|15,r1c2r1c3r2c2|12,r0c4r1c4|17,r1c5r1c6r2c6|10,r1c1r2c1|7,r2c4r2c5|12,r1c7r2c7r3c7|10,r1c8r2c8|24,r2c0r3c0r4c0r5c0r6c0|16,r2c3r3c3r3c4|9,r3c5r3c6|16,r3c8r4c8r5c8|30,r3c1r3c2r4c1r4c2r5c1r5c2|17,r4c3r4c4r4c5|9,r4c6r4c7|9,r5c3r5c4r6c3|11,r5c5r5c6|8,r6c1r7c1|13,r6c4r6c5|18,r5c7r6c7r7c7|10,r6c8r7c8|10,r7c0r8c0|12,r6c2r7c2r7c3|10,r7c4r8c4|16,r6c6r7c5r7c6|18,r8c1r8c2r8c3|11,r8c5r8c6|9,r8c7r8c8", "solution": "315972864862453917749816523427538196683791452591624738234185679956247381178369245", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19656, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19658, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2020-02-13", "puzzle": 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"14,r0c0r0c1|9,r0c2r0c3|6,r0c5r0c6|13,r0c7r0c8|0,r1c0r1c1|15,r1c2r1c3|0,r0c4r1c4r2c4|0,r1c5r1c6|0,r1c7r1c8|0,r2c0r2c1|8,r2c7r2c8|26,r3c0r3c1r4c1r5c1r5c2|0,r2c2r2c3r3c2r3c3|21,r2c5r2c6r3c5r3c6|31,r3c7r3c8r4c7r5c6r5c7|15,r4c2r4c3|0,r3c4r4c4|9,r4c5r4c6|11,r4c0r5c0|22,r5c3r5c4r5c5|0,r4c8r5c8|28,r6c2r6c3r6c4r6c5r6c6|0,r6c0r6c1r7c0r8c0r8c1|10,r7c1r7c2|4,r7c6r7c7|26,r6c7r6c8r7c8r8c7r8c8|17,r7c3r8c2r8c3|11,r7c4r8c4|0,r7c5r8c5r8c6", "solution": "598134276376925418412687953681452397957813624243796581135268749864579132729341865", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19657, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19659, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2020-02-14", "puzzle": "11,r0c0r0c1r1c1|24,r0c2r0c3r1c2r2c2|10,r0c6r0c7|17,r0c4r1c3r1c4|6,r0c5r1c5|18,r0c8r1c6r1c7r1c8|10,r1c0r2c0|16,r2c3r2c4|10,r2c5r2c6r3c6|13,r2c1r3c1r3c2|14,r3c4r3c5|16,r2c7r2c8r3c7r3c8|19,r3c0r4c0r4c1|16,r3c3r4c2r4c3|14,r4c4r4c5r4c6|10,r5c1r5c2|11,r5c5r5c6|8,r4c7r5c7|16,r4c8r5c8|23,r5c0r6c0r6c1r7c0|14,r5c3r6c2r6c3r7c2|19,r5c4r6c4r6c5|12,r6c6r6c7|14,r7c3r7c4r7c5r7c6|10,r6c8r7c8|11,r7c1r8c0r8c1|8,r8c2r8c3|17,r8c4r8c5r8c6|18,r7c7r8c7r8c8", "solution": "378562914619834275452971683826759341743618529591243867184396752965427138237185496", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19659, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19660, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2020-02-14", "puzzle": 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"15,r0c0r0c1r1c0|15,r0c3r0c4r0c5r0c6|38,r0c2r1c1r1c2r1c3r2c0r2c1r3c1|19,r0c7r1c6r1c7r2c6|11,r0c8r1c8|23,r1c4r1c5r2c5r3c5|9,r2c7r2c8|18,r3c0r4c0r5c0r6c0|15,r2c2r2c3r3c2r3c3|11,r2c4r3c4|12,r4c2r4c3|34,r3c6r3c7r4c6r4c7r5c7|4,r3c8r4c8|27,r4c1r5c1r5c2r5c3|13,r4c4r4c5r5c4|15,r5c5r5c6r6c5r6c6|11,r5c8r6c8|19,r6c1r6c2r7c0r7c1|22,r6c3r6c4r7c3r7c4r7c5|34,r6c7r7c6r7c7r7c8r8c7r8c8|17,r8c0r8c1|7,r7c2r8c2|10,r8c3r8c4|6,r8c5r8c6", "solution": "185234697639817524742569318421756983958423761376981245217398456564172839893645172", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19881, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19880, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2020-03-29", "puzzle": "11,r0c0r0c1|33,r0c2r0c3r1c2r1c3r1c4r2c2|28,r0c4r0c5r0c6r0c7r1c6r1c7|15,r0c8r1c8|11,r1c0r2c0|9,r1c1r2c1|3,r2c3r2c4|9,r1c5r2c5|16,r2c6r2c7r2c8|11,r3c2r3c3|15,r3c5r3c6|4,r3c7r3c8|13,r3c0r3c1r4c0r4c1|11,r4c2r4c3|13,r3c4r4c4r5c4|7,r4c5r4c6|23,r4c7r4c8r5c7r5c8|12,r5c0r5c1|13,r5c2r5c3|13,r5c5r5c6|19,r6c0r6c1r6c2|5,r6c3r7c3|8,r6c4r6c5|7,r6c7r7c7|11,r6c8r7c8|16,r7c0r8c0|27,r7c1r7c2r8c1r8c2r8c3r8c4|35,r6c6r7c4r7c5r7c6r8c5r8c6|7,r8c7r8c8", "solution": "472859136513746289689123475245698713167432598398517642856371924931264857724985361", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19880, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19879, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2020-03-29", "puzzle": 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"11,r0c0r0c1|13,r0c2r0c3|15,r1c0r1c1|31,r0c4r0c5r0c6r1c3r1c4r1c5r2c5|21,r0c7r0c8r1c7r1c8|13,r1c2r2c2r2c3|15,r1c6r2c6r2c7r2c8|6,r2c0r3c0|12,r2c1r3c1|6,r3c2r3c3|5,r3c5r3c6|15,r3c7r3c8|5,r4c0r4c1|13,r4c2r4c3|14,r4c5r4c6|6,r4c7r4c8|7,r5c0r5c1|13,r5c2r5c3|31,r2c4r3c4r4c4r5c4r6c4|13,r5c5r5c6|13,r5c7r6c7|7,r5c8r6c8|25,r6c0r6c1r6c2r7c2|11,r6c5r6c6r7c6|17,r7c0r7c1r8c0r8c1|36,r6c3r7c3r7c4r7c5r8c2r8c3r8c4|12,r7c7r7c8|7,r8c5r8c6|12,r8c7r8c8", "solution": "837651924691324587254897613475182396329476851168539472982743165546218739713965248", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19884, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19885, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2020-03-30", "puzzle": 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"14,r0c0r0c1|8,r0c2r0c3|0,r1c0r1c1|25,r1c2r1c3r2c3r3c3|0,r0c4r1c4r2c4|19,r0c5r0c6r1c5|0,r0c7r1c7|7,r0c8r1c8|0,r2c7r2c8|8,r2c0r3c0|0,r2c1r3c1|14,r2c5r3c4r3c5|0,r1c6r2c6r3c6r4c6r5c6r6c6r7c6|12,r4c0r4c1|18,r2c2r3c2r4c2r5c2r6c2|16,r4c3r4c4r4c5|10,r5c0r6c0|13,r5c1r6c1|15,r5c4r5c5r6c5|0,r3c7r3c8r4c7r4c8r5c7r5c8|0,r6c7r6c8|8,r7c0r7c1|26,r5c3r6c3r7c2r7c3|23,r6c4r7c4r8c4|9,r7c5r8c5r8c6|16,r7c7r8c7|0,r7c8r8c8|13,r8c0r8c1|5,r8c2r8c3", "solution": "687142953159378264342659817526714389931826745874935621265497138718563492493281576", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19887, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19888, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2020-03-30", "puzzle": "0,r0c5r0c6|17,r0c0r0c1r1c0|10,r0c2r1c2|13,r0c3r1c3r2c3r2c4|0,r0c4r1c4|14,r1c5r1c6|0,r0c7r0c8r1c7r1c8|10,r1c1r2c1r2c2|0,r2c8r3c8|0,r2c0r3c0|0,r2c5r2c6r3c5r3c6|0,r2c7r3c7|11,r3c1r3c2r4c1|28,r4c2r4c3r5c3r5c4r6c4|0,r3c3r3c4r4c4r4c5r5c5|8,r4c7r4c8|0,r4c0r5c0r6c0|0,r5c1r5c2|0,r4c6r5c6r5c7r5c8|12,r6c3r7c3|0,r6c7r6c8|0,r6c1r6c2r7c1r7c2|21,r6c5r7c4r7c5|8,r6c6r7c6r7c7|0,r7c0r8c0r8c1|9,r8c2r8c3r8c4|0,r8c5r8c6|19,r7c8r8c7r8c8", "solution": "671459832439278615825613974264531789713894526958762341592347168147986253386125497", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19888, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19889, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2020-03-31", "puzzle": 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"17,r0c1r0c2r0c3|12,r0c5r0c6r0c7|26,r0c0r1c0r1c1r1c2|11,r0c4r1c4|16,r0c8r1c6r1c7r1c8|3,r2c1r2c2|25,r1c3r1c5r2c3r2c4r2c5|14,r2c6r2c7|8,r2c0r3c0|10,r2c8r3c8|21,r3c1r4c0r4c1|14,r3c2r4c2|22,r3c3r3c4r3c5r4c3r4c4r4c5|12,r3c6r4c6|14,r3c7r4c7r4c8|43,r5c2r5c3r5c4r5c5r5c6r6c3r6c4r6c5|11,r5c0r6c0r7c0|12,r5c1r6c1|10,r5c7r6c7|18,r5c8r6c8r7c8|18,r6c2r7c1r7c2r8c2|13,r6c6r7c6r7c7r8c6|10,r8c0r8c1|7,r7c3r8c3|17,r7c4r8c4|9,r7c5r8c5|12,r8c7r8c8", "solution": "654871293398642715721359864179425386865137942243968571582714639437596128916283457", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19890, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19891, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2020-03-31", "puzzle": "10,r0c0r0c1|30,r0c3r0c4r0c5r0c6r0c7r0c8r1c5|15,r1c3r1c4|4,r1c6r1c7|6,r1c0r2c0r3c0|25,r0c2r1c1r1c2r2c1|36,r2c3r2c4r2c5r2c6r2c7r3c3|10,r2c2r3c1r3c2|14,r3c5r3c6|16,r4c0r4c1|35,r3c4r4c2r4c3r4c4r4c5r4c6r5c4|13,r3c7r4c7r5c7|37,r1c8r2c8r3c8r4c8r5c8r6c8r7c8|14,r5c1r5c2r6c2|9,r5c5r5c6|19,r5c0r6c0r7c0|18,r6c1r7c1r7c2r8c2|32,r5c3r6c3r6c4r6c5r6c6r6c7|11,r7c3r7c4|6,r7c6r7c7|13,r8c0r8c1|32,r7c5r8c3r8c4r8c5r8c6r8c7r8c8", "solution": "469531872287964315315872694132485967794216538658397241571629483826743159943158726", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19891, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19893, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2020-03-31", "puzzle": "8,r0c0r0c1|18,r0c3r0c4r0c5|15,r0c7r0c8|21,r1c0r1c1r2c1r2c2|0,r0c2r1c2|0,r1c3r1c4r1c5r2c4|7,r0c6r1c6|0,r1c7r1c8r2c6r2c7|9,r2c0r3c0|0,r3c1r3c2|16,r2c3r3c3|10,r2c5r3c5|0,r3c6r3c7|0,r2c8r3c8|13,r4c0r4c1|13,r4c2r4c3|12,r3c4r4c4r5c4|6,r4c5r4c6|0,r4c7r4c8|0,r5c1r5c2r5c3|0,r5c5r5c6r5c7|0,r5c0r6c0|13,r6c1r6c2|18,r6c3r6c4r6c5|0,r6c6r6c7|0,r5c8r6c8|0,r7c0r7c1|12,r7c7r7c8|0,r8c0r8c1|0,r7c2r8c2|0,r7c3r7c4r7c5r8c3r8c4r8c5|0,r7c6r8c6|7,r8c7r8c8", "solution": "263459187795183642841762953136928574587634291924571368358297416612845739479316825", "extra": "{\"grid_size\": 9, \"puzzle_number\": 19893, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 19892, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2020-03-31", "puzzle": 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"21,r0c1r0c2r1c2|15,r0c4r0c5|3,r0c6r0c7|16,r0c0r1c0r1c1r2c0r3c0|20,r0c3r1c3r1c4|14,r0c8r1c8r2c8|12,r1c5r1c6r2c5|13,r1c7r2c7|21,r2c1r2c2r2c3r3c1|10,r3c2r3c3r4c2|10,r2c4r3c4|11,r2c6r3c6|16,r3c7r3c8|12,r4c0r4c1|21,r3c5r4c3r4c4r4c5r5c3|7,r4c7r4c8|11,r5c0r5c1|5,r5c2r6c2|16,r5c4r6c4|16,r4c6r5c5r5c6|23,r5c7r6c5r6c6r6c7|3,r6c1r7c1|22,r6c3r7c2r7c3|20,r6c0r7c0r8c0|10,r7c4r7c5r8c5|22,r5c8r6c8r7c7r7c8r8c8|10,r8c1r8c2|9,r8c3r8c4|16,r7c6r8c6r8c7", "solution": "394687215168952743275143896481265379937418652652379184723894561819536427546721938", "extra": "{\"grid_size\": 9, \"puzzle_number\": 20431, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 20436, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2020-07-17", "puzzle": 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"15,r0c0r0c1r0c2|0,r0c3r0c4|16,r0c5r0c6|11,r1c1r1c2r2c2|17,r1c3r1c4r2c3r2c4|16,r0c7r0c8r1c7r1c8|24,r1c0r2c0r3c0|6,r2c8r3c8|6,r2c1r3c1|0,r2c5r3c5r3c6|26,r1c5r1c6r2c6r2c7r3c7|11,r4c0r4c1|13,r3c2r4c2|30,r3c3r3c4r4c4r4c5r5c5|0,r4c6r4c7r5c6r5c7|12,r4c8r5c8|7,r5c0r5c1|0,r4c3r5c3r5c4|0,r5c2r6c1r6c2r6c3r7c1r7c2|0,r6c4r6c5|16,r6c6r6c7r7c7|0,r7c3r8c3|0,r7c4r8c4|0,r7c5r7c6|0,r6c8r7c8r8c8|28,r6c0r7c0r8c0r8c1r8c2|14,r8c5r8c6r8c7", "solution": "654839712831527649927461835745698321298173564163245978316984257482756193579312486", "extra": "{\"grid_size\": 9, \"puzzle_number\": 20628, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 20629, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2020-08-24", "puzzle": 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"15,r0c0r0c1r1c0|12,r0c4r0c5|0,r0c2r1c1r1c2r2c0r2c1r2c2|11,r0c3r1c3|0,r1c4r1c5r2c4|0,r0c6r0c7r1c6r1c7|10,r0c8r1c8|6,r2c7r2c8|9,r3c0r3c1|0,r2c3r3c2r3c3|22,r2c5r2c6r3c4r3c5|13,r3c6r3c7|12,r3c8r4c8|0,r4c0r5c0|0,r4c1r4c2r5c1|28,r4c3r5c2r5c3r6c2|24,r4c4r4c5r4c6r5c4r5c5r6c4|11,r5c6r6c5r6c6|0,r4c7r5c7|17,r6c0r6c1r7c0r7c1|12,r6c3r7c3|0,r5c8r6c8|0,r7c4r7c5|0,r6c7r7c6r7c7r7c8r8c7r8c8|15,r8c0r8c1|0,r7c2r8c2|6,r8c3r8c4|15,r8c5r8c6", "solution": "642957831518243679937168542186372495394815267725694318269531784453789126871426953", "extra": "{\"grid_size\": 9, \"puzzle_number\": 20633, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 20632, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2020-08-25", "puzzle": 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"14,r0c1r0c2r0c3|16,r0c5r0c6r0c7|9,r0c0r1c0|15,r0c4r1c4|11,r0c8r1c8|18,r1c1r2c1r3c1|10,r1c2r2c2r3c2|25,r1c3r1c5r2c3r2c4r2c5|15,r1c6r2c6r3c6|13,r1c7r2c7r3c7|13,r2c0r3c0|9,r2c8r3c8|33,r4c0r4c1r4c2r5c0r5c1r5c2r6c0|7,r3c3r4c3|6,r3c4r4c4|13,r3c5r4c5|32,r4c6r4c7r4c8r5c6r5c7r5c8r6c8|19,r5c3r5c4r5c5|12,r6c1r6c2r7c2|10,r6c3r7c3|19,r6c4r7c4r8c4|8,r6c5r7c5|18,r6c6r6c7r7c6|8,r7c0r8c0|10,r7c1r8c1|16,r8c2r8c3|4,r8c5r8c6|9,r7c7r8c7|13,r7c8r8c8", "solution": "258174936731689245496532871963417528842356197175928463614893752387245619529761384", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21041, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21043, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2020-11-15", "puzzle": 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"13,r0c7r0c8|23,r0c0r0c1r1c0r1c1|18,r0c2r0c3r1c2|13,r1c3r1c4|11,r0c4r0c5r1c5|19,r0c6r1c6r1c7r2c6|14,r2c0r2c1r3c0|6,r2c4r2c5|8,r1c8r2c8|18,r2c2r2c3r3c2r3c3|20,r3c5r3c6r4c5|11,r2c7r3c7|12,r3c1r4c1|13,r3c4r4c3r4c4|10,r4c6r4c7|10,r4c0r5c0r5c1|15,r4c2r5c2|29,r5c5r5c6r5c7r6c5r7c5|15,r3c8r4c8r5c8|16,r6c0r6c1r6c2r7c1|8,r5c3r5c4r6c3|18,r6c6r6c7r6c8r7c6r8c6|11,r7c2r7c3|10,r6c4r7c4|27,r7c7r7c8r8c7r8c8|14,r7c0r8c0|11,r8c1r8c2|12,r8c3r8c4r8c5", "solution": "825671394497853621613924857781539462346287915259146738172398546964715283538462179", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21406, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21407, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2021-01-27", "puzzle": 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"5,r0c0r0c1|24,r0c3r0c4r1c4r2c4|7,r0c5r0c6|18,r1c0r1c1r2c1|12,r0c2r1c2|11,r1c5r1c6|10,r0c7r0c8r1c7|13,r1c3r2c2r2c3|20,r2c5r2c6r2c7|23,r1c8r2c8r3c8r4c8|17,r2c0r3c0r4c0r5c0|12,r3c2r3c3|9,r3c4r3c5|6,r3c6r3c7|19,r3c1r4c1r4c2r5c1|20,r4c3r4c4r4c5|9,r4c6r4c7|10,r5c2r5c3|26,r5c7r5c8r6c7r6c8|15,r6c0r6c1r7c1|17,r6c2r6c3r7c2|6,r5c4r6c4|24,r5c5r5c6r6c5r6c6r7c6|6,r7c4r7c5|9,r7c7r7c8|14,r7c0r8c0|8,r8c1r8c2|5,r7c3r8c3|14,r8c4r8c5|16,r8c6r8c7r8c8", "solution": "419875263753462918268139745637518429825794631194623587382947156946351872571286394", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21435, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21430, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2021-02-01", "puzzle": "15,r0c0r0c1r0c2|13,r0c4r0c5r1c4|14,r1c0r1c1r1c2|19,r0c3r1c3r2c3|18,r0c6r1c5r1c6|17,r0c7r0c8r1c7|17,r2c4r2c5r2c6|6,r1c8r2c7r2c8|8,r2c0r3c0|9,r2c1r3c1|24,r2c2r3c2r4c2|13,r3c5r3c6|18,r3c7r3c8r4c8|13,r3c3r3c4r4c3|6,r4c4r4c5r4c6|12,r4c0r4c1r5c0|13,r5c1r5c2r5c3|15,r5c4r5c5|16,r4c7r5c7r5c8|3,r6c0r6c1|17,r6c2r6c3r6c4|16,r5c6r6c5r6c6|13,r6c7r6c8|17,r7c0r7c1|13,r7c5r8c5|12,r8c0r8c1|12,r7c2r7c3r8c2|11,r7c4r8c3r8c4|6,r7c6r7c7r8c6|19,r7c8r8c7r8c8", "solution": "915362874482751963367948521538417692649823157271596438123685749896274315754139286", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21430, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21436, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2021-02-02", "puzzle": 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"19,r0c1r0c2r0c3|11,r0c4r0c5|6,r0c6r0c7|13,r0c0r1c0|10,r1c1r1c2r1c3|17,r0c8r1c8r2c8|14,r2c1r2c2r3c1|9,r1c4r2c4|9,r1c5r2c5|6,r1c6r2c6|19,r1c7r2c7r3c7|17,r2c0r3c0|16,r2c3r3c2r3c3|6,r3c5r3c6|9,r4c0r4c1r5c0|10,r4c2r4c3|17,r3c4r4c4r5c4|13,r4c5r4c6|7,r3c8r4c7r4c8|9,r5c2r5c3|20,r5c5r5c6r6c5|14,r5c8r6c8|17,r5c1r6c1r7c1|10,r6c2r7c2|7,r6c3r7c3|8,r6c4r7c4|19,r5c7r6c6r6c7|9,r6c0r7c0r8c0|14,r7c5r7c6r7c7|8,r7c8r8c8|13,r8c1r8c2|11,r8c3r8c4|18,r8c5r8c6r8c7", "solution": "628974153753216498914583276897461532532897614146325789471638925369152847285749361", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21450, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21449, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2021-02-04", "puzzle": 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"15,r0c0r0c1r1c0|5,r0c2r0c3|11,r0c5r0c6|15,r0c7r0c8r1c8|8,r0c4r1c4|17,r1c1r2c1r3c1r4c1|14,r1c2r2c2|28,r1c3r2c3r3c2r3c3r4c2|26,r1c5r2c5r3c5r3c6r4c6|5,r1c6r2c6|26,r1c7r2c7r3c7r4c7|15,r2c0r3c0r4c0|8,r2c4r3c4|9,r2c8r3c8r4c8|9,r5c1r5c2|11,r4c3r5c3|11,r4c4r5c4|11,r4c5r5c5|13,r5c6r5c7|24,r5c0r6c0r7c0r8c0|34,r6c1r6c2r6c3r6c4r6c5r6c6r6c7|23,r5c8r6c8r7c8r8c8|5,r7c2r7c3|12,r7c5r7c6|12,r7c1r8c1r8c2|21,r7c4r8c3r8c4r8c5|17,r7c7r8c6r8c7", "solution": "594168327178523496236479185629714853753986241481235769947851632862397514315642978", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21461, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21464, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2021-02-07", "puzzle": 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"17,r0c2r0c3r0c4|14,r0c5r0c6|6,r0c7r0c8|16,r0c0r1c0|9,r0c1r1c1|0,r1c2r1c3r1c4|0,r2c1r2c2r3c2|0,r1c5r1c6r2c6|0,r1c7r2c7|9,r1c8r2c8|12,r2c0r3c0|14,r2c3r2c4r3c3|0,r2c5r3c4r3c5|0,r4c0r5c0|0,r3c1r4c1r4c2r5c1r5c2|0,r4c3r4c4r4c5|26,r3c6r3c7r4c6r4c7r5c7|11,r3c8r4c8|15,r5c3r5c4r6c3|8,r5c5r6c4r6c5|0,r5c8r6c8|0,r6c0r7c0|9,r6c1r7c1|20,r6c2r7c2r7c3|16,r5c6r6c6r6c7|0,r7c4r7c5r7c6|0,r7c7r8c7|10,r7c8r8c8|0,r8c0r8c1|0,r8c2r8c3|0,r8c4r8c5r8c6", "solution": "715398624986472531432615978854723169391586742267941385179234856523869417648157293", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21664, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21663, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2021-03-19", "puzzle": "0,r0c6r0c7r0c8|12,r0c0r0c1r1c0r1c1|15,r0c2r1c2|12,r0c3r1c3|10,r0c4r1c4|18,r0c5r1c5r1c6|11,r1c7r1c8|10,r2c0r2c1|28,r2c2r2c3r3c2r3c3|6,r2c5r2c6|0,r3c0r3c1|11,r2c4r3c4|0,r2c7r3c7|0,r2c8r3c8|0,r4c0r4c1|0,r4c2r4c3|0,r3c6r4c6|20,r5c0r5c1r6c1|21,r3c5r4c4r4c5r5c3r5c4r5c5|10,r4c7r5c7|19,r4c8r5c8r6c8|0,r5c2r6c2|0,r6c3r6c4|12,r5c6r6c5r6c6|20,r6c7r7c6r7c7|11,r6c0r7c0r8c0|0,r7c2r7c3|0,r7c4r7c5|0,r7c1r8c1|8,r8c2r8c3|10,r8c4r8c5r8c6|15,r7c8r8c7r8c8", "solution": "546729813219583647378641529835974261724816935961235478452397186193468752687152394", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21663, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21666, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2021-03-20", "puzzle": "8,r0c0r0c1|8,r0c2r0c3|18,r0c4r0c5r1c5|12,r1c0r1c1|3,r1c3r1c4|17,r0c6r1c6|14,r0c7r0c8r1c7|12,r1c2r2c2|9,r1c8r2c8|22,r2c1r3c1r4c1r5c1r6c1|30,r2c3r2c4r2c5r2c6r3c2r3c3|11,r3c5r3c6|7,r2c7r3c7|3,r4c2r4c3|8,r3c4r4c4r5c4|11,r4c5r4c6|25,r3c8r4c7r4c8r5c8|25,r2c0r3c0r4c0r5c0r6c0|38,r5c2r5c3r6c3r6c4r6c5r6c6|15,r5c5r5c6|10,r5c7r6c7|11,r6c2r7c2|11,r6c8r7c8|14,r7c0r7c1|12,r7c3r7c4|5,r7c6r8c6|14,r7c7r8c7r8c8|9,r8c0r8c1|15,r8c2r8c3|8,r7c5r8c4r8c5", "solution": "172694853483125967569378142826517439391246578745839621214963785957482316638751294", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21666, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21667, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2021-03-20", "puzzle": 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"8,r0c1r0c2|25,r0c3r0c4r0c5r1c4|9,r0c0r1c0|22,r1c1r1c2r1c3r2c3|17,r0c6r1c5r1c6|4,r0c7r1c7|19,r0c8r1c8r2c8|9,r2c4r2c5r3c4|15,r2c0r3c0|5,r2c1r3c1|14,r2c2r3c2r3c3|18,r2c6r2c7r3c6|14,r4c0r4c1r4c2|31,r3c5r4c3r4c4r4c5r5c5|29,r3c7r3c8r4c6r4c7r4c8r5c7r5c8|7,r5c0r6c0|7,r5c1r6c1|16,r5c2r5c3r6c2|18,r5c6r6c6r6c7|12,r5c4r6c4r6c5|12,r7c0r8c0|25,r6c3r7c1r7c2r7c3|13,r7c5r7c6r8c6|11,r7c7r8c7|16,r6c8r7c8r8c8|15,r8c1r8c2|14,r7c4r8c3r8c4r8c5", "solution": "862379514175264839943851276617432985284795163359618742421983657738526491596147328", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21731, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21736, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2021-04-03", "puzzle": 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"9,r0c0r0c1|0,r0c7r0c8|0,r1c0r1c1|0,r0c2r1c2r2c2r2c3|24,r0c3r0c4r1c3r1c4|13,r0c5r1c5|15,r0c6r1c6r1c7|3,r2c5r2c6|12,r1c8r2c8|19,r2c0r2c1r3c0|10,r2c4r3c3r3c4|0,r3c5r3c6|12,r2c7r3c7|20,r3c1r4c0r4c1r5c1|0,r3c2r4c2r4c3r5c2|37,r3c8r4c4r4c5r4c6r4c7r4c8r5c8|20,r5c0r6c0r6c1|19,r5c3r5c4r6c4|9,r5c5r5c6|10,r5c7r6c7|0,r6c5r6c6|5,r6c8r7c8|5,r7c0r7c1|18,r6c2r6c3r7c2r8c2|0,r7c3r7c4r8c3r8c4|0,r7c5r8c5|22,r7c6r7c7r8c6|0,r8c0r8c1|0,r8c7r8c8", "solution": "271965843439728165685431297548612739963587412712394586856179324324856971197243658", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21758, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21759, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2021-04-07", "puzzle": 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"5,r0c2r0c3|18,r0c6r0c7r0c8|15,r0c0r1c0|13,r0c1r1c1|0,r0c4r1c4|0,r0c5r1c5|0,r1c6r2c6|11,r1c7r1c8|16,r1c2r2c1r2c2r3c1|21,r1c3r2c3r3c3|15,r2c4r2c5|0,r2c0r3c0|0,r2c7r3c7|0,r2c8r3c8|17,r4c0r4c1|10,r3c2r4c2r5c2|37,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|0,r3c6r4c6r5c6|7,r4c7r4c8|11,r5c0r6c0|0,r5c1r6c1|0,r5c8r6c8|0,r6c3r6c4|19,r5c5r6c5r7c5|0,r5c7r6c6r6c7r7c6|4,r7c0r7c1|0,r6c2r7c2|9,r7c3r8c3|13,r7c4r8c4|0,r7c7r8c7|0,r7c8r8c8|17,r8c0r8c1r8c2|0,r8c5r8c6", "solution": "893241765746835129125796483432657891987314652651982374574128936318569247269473518", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21833, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21832, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2021-04-22", "puzzle": "15,r0c0r0c1r1c0r2c0|25,r0c2r0c3r0c4r1c3r2c3|20,r0c5r0c6r1c6r1c7|17,r0c7r0c8r1c8|28,r1c1r1c2r2c1r2c2r3c2|18,r1c4r1c5r2c4|10,r3c0r3c1|9,r3c3r3c4|10,r2c5r3c5|8,r2c6r3c6|37,r2c7r2c8r3c8r4c8r5c8r6c7r6c8|8,r4c0r4c1|17,r4c2r4c3r4c4|13,r4c5r4c6|11,r3c7r4c7r5c7|10,r5c0r5c1|10,r5c3r5c4|13,r5c5r6c5|16,r5c6r6c6|22,r5c2r6c1r6c2r7c1r7c2|9,r6c4r7c4r7c5|22,r6c0r7c0r8c0r8c1|25,r6c3r7c3r8c2r8c3r8c4|21,r7c6r7c7r8c5r8c6|11,r7c8r8c7r8c8", "solution": "379654182425381697186297345647813529538729461912465738261548973794132856853976214", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21832, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21830, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2021-04-22", "puzzle": 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"17,r0c2r0c3r0c4|8,r0c5r0c6|3,r0c7r0c8|23,r0c0r0c1r1c0|12,r1c1r1c2r2c1|17,r1c5r1c6r2c5|13,r1c7r1c8|15,r1c3r2c3|9,r2c6r2c7|16,r2c0r3c0r3c1|3,r2c2r3c2|11,r1c4r2c4r3c4|14,r3c5r3c6|15,r2c8r3c8|7,r4c0r4c1|11,r3c3r4c2r4c3|12,r4c4r4c5|14,r3c7r4c7r5c7|16,r5c0r5c1r6c0|9,r5c2r5c3|17,r5c4r5c5|10,r4c6r5c6|6,r4c8r5c8|7,r6c1r6c2|7,r6c3r6c4|13,r6c5r6c6|15,r7c1r7c2|3,r7c5r7c6|15,r6c7r7c7|7,r6c8r7c8|10,r7c0r8c0|5,r8c1r8c2|17,r7c3r7c4r8c3|15,r8c4r8c5|13,r8c6r8c7r8c8", "solution": "987463512653821749241759368592146837438275691176398425825614973769532184314987256", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21835, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21831, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2021-04-22", "puzzle": "40,r0c0r0c1r0c2r1c0r1c1r1c2r2c0r2c1|10,r0c3r0c4r1c3|12,r0c5r0c6|13,r0c7r0c8|20,r1c4r1c5r1c6|10,r1c7r1c8|10,r2c4r2c5|11,r2c7r2c8|20,r3c0r3c1r4c0|16,r2c2r2c3r3c2r3c3|14,r2c6r3c6r3c7|14,r3c4r4c3r4c4|11,r3c5r4c5r4c6|8,r4c1r5c1r6c1|11,r4c2r5c2|15,r5c3r5c4r6c4|21,r5c5r5c6r6c5r6c6|4,r4c7r5c7|18,r3c8r4c8r5c8|8,r5c0r6c0|19,r6c2r6c3r7c3|12,r7c2r8c2|6,r7c4r7c5|6,r7c0r8c0|11,r7c1r8c1|24,r8c3r8c4r8c5|35,r6c7r6c8r7c6r7c7r8c6|6,r7c8r8c7r8c8", "solution": "461729358392185764785364192836271945957438216214956837628513479179642583543897621", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21831, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21836, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2021-04-23", "puzzle": 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"15,r0c0r0c1r1c0|4,r0c4r0c5|13,r0c6r0c7|14,r1c1r2c1|9,r0c2r1c2|22,r0c3r1c3r1c4|13,r0c8r1c8|3,r2c2r2c3|13,r1c5r2c5|10,r1c6r2c6|6,r1c7r2c7|13,r2c0r3c0|9,r3c2r3c3|18,r2c4r3c4r3c5|6,r3c6r3c7|16,r2c8r3c8r4c8|3,r3c1r4c1|16,r4c2r4c3r4c4|10,r4c6r4c7|13,r4c0r5c0|14,r5c1r5c2r5c3|14,r4c5r5c4r5c5|15,r5c7r6c7r7c7|21,r6c1r6c2r6c3|7,r6c4r6c5|14,r5c6r6c6r7c6|8,r5c8r6c8|12,r6c0r7c0r8c0|19,r7c1r7c2r7c3|12,r8c1r8c2r8c3|11,r7c4r7c5r8c4|24,r8c5r8c6r8c7|8,r7c8r8c8", "solution": "482531769357896214691247853716359428823764195549182637978625341164973582235418976", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21945, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21948, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2021-05-15", "puzzle": 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"18,r0c2r0c3r0c4|9,r0c7r0c8|14,r0c0r0c1r1c0|12,r1c2r2c2|11,r0c5r1c5|16,r0c6r1c6r2c6|8,r1c1r2c1|7,r1c3r2c3|7,r1c4r2c4|11,r1c7r2c7|9,r1c8r2c8|18,r2c0r3c0r4c0|9,r3c1r3c2|8,r2c5r3c5r3c6|20,r3c7r3c8r4c7|13,r3c3r4c2r4c3|22,r3c4r4c4r5c4|15,r4c5r4c6r5c5|12,r4c1r5c0r5c1|24,r5c2r5c3r6c3|10,r5c6r5c7|8,r4c8r5c8r6c8|11,r6c0r7c0|15,r6c1r7c1|5,r6c4r7c4|14,r6c5r7c5|13,r6c7r7c7|9,r6c2r7c2r8c2|7,r7c3r8c3|6,r6c6r7c6|18,r7c8r8c7r8c8|10,r8c0r8c1|16,r8c4r8c5r8c6", "solution": "632978145514263987978514632827491356156382794349756821791825463465139278283647519", "extra": "{\"grid_size\": 9, \"puzzle_number\": 21955, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 21956, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2021-05-17", "puzzle": 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"17,r0c0r0c1r1c0|16,r0c2r0c3r1c3|8,r0c5r0c6r1c5|21,r0c7r0c8r1c8|9,r1c1r1c2|10,r0c4r1c4|9,r1c6r1c7|28,r2c2r2c3r2c4r2c5r2c6|10,r2c0r2c1r3c0|27,r3c2r3c3r3c4r3c5r3c6|13,r2c7r2c8r3c8|20,r3c1r4c0r4c1|36,r4c3r4c4r4c5r5c3r5c4r5c5r6c4|15,r3c7r4c7r4c8|6,r5c0r5c1|12,r4c2r5c2|8,r4c6r5c6|9,r5c7r5c8|13,r6c0r6c1|7,r6c7r6c8|25,r6c2r6c3r7c2r7c3r8c3|28,r6c5r6c6r7c5r7c6r8c5|17,r7c0r7c1r8c0|5,r8c1r8c2|10,r7c4r8c4|12,r8c6r8c7|14,r7c7r7c8r8c8", "solution": "718635249954271638362984517136427895895163724247859163671348952489512376523796481", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22226, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22227, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2021-07-10", "puzzle": 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"0,r0c0r0c1r0c2|0,r0c6r0c7|11,r1c1r1c2|0,r0c3r1c3|0,r0c4r1c4|8,r0c5r1c5|0,r1c6r1c7|0,r0c8r1c8|15,r1c0r2c0r2c1|0,r2c3r2c4r2c5|0,r2c2r3c2r3c3|0,r3c4r3c5|0,r2c6r2c7r3c6|0,r2c8r3c8r4c8r5c8r6c8|14,r3c0r4c0r5c0|0,r3c1r4c1r5c1|12,r4c2r4c3|14,r4c4r4c5r4c6|10,r3c7r4c7r5c7|0,r5c2r5c3r6c2|0,r5c4r5c5|17,r5c6r6c6r6c7|0,r6c0r6c1r7c0|14,r6c3r6c4r6c5|8,r7c1r7c2|13,r7c3r8c3|0,r7c4r8c4|8,r7c5r8c5|12,r7c6r7c7|0,r7c8r8c8|0,r8c0r8c1r8c2|11,r8c6r8c7", "solution": "671495382492783615385612947234176859769358124518924736857239461926841573143567298", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22269, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22271, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2021-07-19", "puzzle": 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"14,r0c1r0c2r0c3|19,r0c5r0c6r1c5r1c6|0,r0c7r0c8|0,r0c0r1c0|4,r1c1r1c2|0,r0c4r1c4|0,r2c0r2c1|11,r1c3r2c2r2c3|0,r2c4r2c5r2c6|17,r1c7r2c7r3c7|0,r1c8r2c8|3,r3c0r3c1|12,r3c2r3c3|0,r3c5r3c6|17,r4c0r4c1|6,r4c2r4c3|0,r4c6r4c7|19,r3c8r4c8r5c8|0,r5c0r5c1|14,r5c2r5c3|19,r3c4r4c4r4c5r5c4|0,r5c5r5c6|9,r6c0r6c1|0,r6c2r6c3r7c3|14,r6c4r6c5r6c6|10,r5c7r6c7r7c7|0,r6c8r7c8|0,r7c0r8c0|0,r7c1r7c2|0,r7c4r8c4|19,r8c1r8c2r8c3|0,r7c5r7c6r8c5r8c6|0,r8c7r8c8", "solution": "684275391913684752752391846127563489895147623436829517541732968278956134369418275", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22278, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22280, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2021-07-21", "puzzle": "5,r0c2r0c3|12,r0c4r0c5|6,r0c6r0c7|17,r0c0r1c0|16,r0c1r1c1r2c1|16,r1c5r1c6r2c6|17,r0c8r1c7r1c8|6,r1c2r2c2|10,r1c3r2c3|9,r1c4r2c4|15,r2c5r3c5r3c6|11,r2c7r2c8|11,r2c0r3c0r4c0|10,r3c3r3c4|9,r3c7r3c8|17,r3c1r4c1|7,r3c2r4c2|15,r4c3r4c4r4c5|9,r4c6r5c6|13,r4c7r5c7|7,r5c0r5c1|17,r5c4r5c5|12,r4c8r5c8r6c8|3,r6c0r6c1|17,r5c2r5c3r6c3|9,r6c4r7c4|12,r6c5r7c5|8,r6c6r7c6|14,r7c0r7c1r8c0|23,r6c2r7c2r7c3|15,r6c7r7c7r8c7|12,r7c8r8c8|11,r8c1r8c2|8,r8c3r8c4|6,r8c5r8c6", "solution": "962384517831975264475126938593461872284537691617298345129843756748659123356712489", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22280, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22281, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2021-07-21", "puzzle": "22,r0c0r0c1r1c0r1c1r2c0|18,r0c2r0c3r0c4|13,r0c5r0c6|9,r0c7r0c8|18,r1c2r1c3r1c4r2c3|21,r1c5r1c6r1c7r2c6|15,r2c4r2c5|13,r1c8r2c7r2c8|15,r2c1r2c2r3c1|11,r3c2r3c3r3c4|8,r3c6r3c7|13,r3c0r4c0r5c0|8,r4c1r4c2|8,r4c6r4c7|21,r3c8r4c8r5c8|11,r5c1r5c2|27,r3c5r4c3r4c4r4c5r5c3|13,r5c4r5c5r5c6|23,r5c7r6c6r6c7|15,r6c0r6c1r7c0|12,r6c3r6c4|17,r6c2r7c1r7c2r7c3|19,r6c5r7c4r7c5r7c6|10,r8c0r8c1|15,r8c2r8c3|9,r8c4r8c5r8c6|21,r6c8r7c7r7c8r8c7r8c8", "solution": "238196745679345821451287693794612538562938174183574269346751982825469317917823456", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22281, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22282, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2021-07-21", "puzzle": 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"10,r0c1r0c2|3,r0c3r0c4|0,r0c7r0c8r1c7r1c8|0,r0c0r1c0|0,r1c1r1c2r1c3|0,r0c5r0c6r1c5r1c6r2c5r2c6|9,r2c1r2c2r2c3|12,r1c4r2c4|22,r2c7r2c8r3c7r3c8|6,r2c0r3c0|10,r3c1r3c2|0,r3c5r3c6|0,r4c0r4c1|14,r4c2r4c3|14,r4c5r4c6|3,r4c7r4c8|0,r5c2r5c3|19,r3c3r3c4r4c4r5c4r5c5|0,r5c6r5c7|14,r5c8r6c8|0,r5c0r5c1r6c0r6c1|9,r6c4r7c4|16,r6c5r6c6r6c7|24,r6c2r6c3r7c2r7c3r8c2r8c3|12,r7c5r7c6r7c7|11,r7c8r8c8|25,r7c0r7c1r8c0r8c1|17,r8c4r8c5|4,r8c6r8c7", "solution": "864127953917835264532496817128364795349578621756912348291743586683251479475689132", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22618, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22619, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2021-09-26", "puzzle": 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"12,r0c5r0c6|10,r0c7r0c8|15,r0c0r1c0r2c0|15,r0c1r1c1|7,r0c2r1c2|13,r0c3r0c4r1c3|9,r2c2r2c3|15,r1c4r1c5r2c4|8,r1c6r2c5r2c6|22,r1c7r1c8r2c7|10,r2c1r3c1r3c2|18,r3c3r3c4r4c3|23,r3c5r3c6r3c7|9,r2c8r3c8|11,r3c0r4c0|9,r4c1r4c2|11,r4c4r4c5|7,r4c6r4c7r5c6|12,r5c0r5c1r6c0|4,r5c4r5c5|16,r4c8r5c8r6c8|14,r5c2r6c2|14,r5c3r6c3r6c4|16,r6c5r6c6|13,r7c0r8c0|16,r6c1r7c1r8c1|10,r7c4r7c5|16,r5c7r6c7r7c7|7,r7c8r8c7r8c8|10,r7c2r8c2|17,r7c3r8c3r8c4|16,r7c6r8c5r8c6", "solution": "476159328281734569953682174314278695827965413569413287145827936792346851638591742", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22620, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22621, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2021-09-27", "puzzle": "9,r0c5r0c6|12,r0c7r0c8|24,r0c0r0c1r1c0r1c1|10,r0c2r1c2|15,r0c3r0c4r1c3|5,r1c5r1c6|9,r1c7r1c8|4,r2c0r2c1|10,r1c4r2c4|28,r2c5r2c6r2c7r3c7|20,r3c0r3c1r4c0|14,r2c2r2c3r3c2|9,r2c8r3c8|8,r4c1r4c2|12,r3c6r4c6|20,r3c3r3c4r3c5r4c3r5c3|25,r4c4r4c5r5c4r5c5|6,r4c7r5c7|15,r4c8r5c8r6c8|13,r5c0r6c0|10,r5c1r6c1|17,r5c2r6c2r7c2r7c3|9,r6c3r6c4|33,r5c6r6c5r6c6r6c7r7c6r7c7|12,r7c4r7c5|3,r7c0r8c0|14,r7c1r8c1|15,r8c2r8c3|9,r8c4r8c5r8c6|15,r7c8r8c7r8c8", "solution": "642578139958361472317249568495726381726183945831495726573812694264957813189634257", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22621, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22622, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2021-09-27", "puzzle": "6,r0c2r0c3r1c3|15,r0c0r0c1r1c0|14,r1c1r1c2r2c1|24,r0c4r0c5r0c6r1c4|8,r0c7r1c7|11,r0c8r1c8|28,r2c2r2c3r3c2r3c3|19,r1c5r1c6r2c5|13,r2c6r2c7r2c8|12,r2c0r3c0r3c1|10,r3c5r3c6|42,r3c7r3c8r4c7r4c8r5c7r5c8r6c8|24,r4c0r4c1r5c0r6c0|19,r2c4r3c4r4c2r4c3r4c4|7,r4c5r4c6|12,r5c1r5c2r6c1|20,r5c5r5c6r6c5r6c6|11,r5c3r6c3|5,r5c4r6c4|9,r7c0r7c1|21,r6c2r7c2r8c2|25,r6c7r7c6r7c7r7c8r8c7r8c8|11,r8c0r8c1|39,r7c3r7c4r7c5r8c3r8c4r8c5r8c6", "solution": "623198475785234916419756382354829167861475239972613854136542798547981623298367541", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22622, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22623, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2021-09-27", "puzzle": 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"17,r0c3r0c4|13,r0c5r0c6r0c7|5,r0c0r1c0|17,r0c1r0c2r1c1|13,r1c5r1c6|17,r0c8r1c7r1c8|14,r2c0r2c1|9,r1c2r2c2|4,r1c3r2c3|11,r1c4r2c4|5,r2c6r2c7|19,r3c2r3c3r3c4|7,r2c5r3c5|11,r3c6r3c7|15,r2c8r3c8|11,r3c0r3c1r4c0|11,r4c1r4c2|12,r4c3r4c4r4c5|10,r4c6r4c7|15,r4c8r5c7r5c8|13,r5c0r6c0|7,r5c1r5c2|15,r5c3r6c3|12,r5c4r5c5r5c6|17,r6c1r6c2|5,r6c4r7c4|9,r6c5r7c5|14,r6c6r7c6|6,r6c7r6c8|15,r7c0r7c1r8c0|9,r7c2r7c3|21,r7c7r8c6r8c7|4,r7c8r8c8|7,r8c1r8c2r8c3|15,r8c4r8c5", "solution": "136984725482157639957362418219645387865273194743819256698731542374528961521496873", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22660, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22661, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2021-10-05", "puzzle": 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"18,r0c0r0c1r1c1r1c2|18,r0c2r0c3r1c3|21,r0c6r0c7r0c8|6,r0c4r1c4|14,r0c5r1c5r1c6|16,r1c0r2c0r3c0|16,r2c2r2c3r2c4|12,r1c7r1c8r2c7r2c8|20,r2c1r3c1r4c1r5c1|12,r3c2r3c3r4c3|20,r2c5r2c6r3c5|7,r4c0r5c0|13,r4c2r5c2|20,r3c4r4c4r5c4|10,r3c6r4c6|13,r3c8r4c8|12,r5c3r6c2r6c3|16,r4c5r5c5r5c6|21,r3c7r4c7r5c7r6c7|27,r6c0r6c1r7c0r7c1|11,r6c4r6c5r6c6|13,r5c8r6c8r7c8|15,r7c2r7c3r8c3|8,r7c4r8c4|9,r8c0r8c1r8c2|20,r7c5r8c5r8c6|17,r7c6r7c7r8c7r8c8", "solution": "735621498926748513148539726613854279279163854584297631497382165862915347351476982", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22692, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22691, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2021-10-11", "puzzle": 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"13,r0c1r0c2r1c2|9,r0c5r0c6|0,r0c0r1c0|9,r0c3r1c3|10,r0c4r1c4r2c4|12,r1c5r2c5|0,r0c7r0c8r1c6r1c7r1c8r2c6r2c7|0,r1c1r2c1|13,r2c2r2c3|11,r2c8r3c8|22,r2c0r3c0r3c1r4c1r5c1|0,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4r5c5|0,r3c6r3c7|0,r3c2r4c2|11,r4c6r4c7r4c8|12,r4c0r5c0|0,r5c6r6c6|6,r5c7r5c8|26,r5c2r6c1r6c2r6c3r7c2|0,r6c4r6c5|13,r6c7r6c8r7c8|23,r6c0r7c0r7c1r8c0r8c1r8c2|9,r7c6r7c7|16,r8c3r8c4|24,r7c3r7c4r7c5r8c5r8c6|0,r8c7r8c8", "solution": "924756318687213945135849762243187659568492137791635824876324591419568273352971486", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22743, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22744, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2021-10-21", "puzzle": "0,r0c0r0c1r1c0|0,r0c2r0c3|0,r0c7r0c8r1c8|15,r0c4r1c4r2c4|8,r0c5r1c5|20,r0c6r1c6r1c7r2c7|0,r1c1r1c2r1c3r2c1r3c1|16,r2c2r2c3r3c2r3c3|0,r2c0r3c0|5,r2c5r3c5|11,r2c6r3c6|0,r2c8r3c8|0,r4c0r4c1r4c2|15,r3c4r4c3r4c4|0,r5c0r5c1|0,r5c2r5c3|0,r4c5r5c4r5c5|4,r4c6r5c6|24,r3c7r4c7r4c8r5c7|21,r6c0r6c1r7c1r7c2|9,r6c2r6c3|6,r6c4r6c5|0,r6c6r6c7r7c6|0,r5c8r6c8|0,r7c3r7c4r7c5r8c4|0,r7c7r7c8r8c7r8c8|11,r7c0r8c0r8c1|9,r8c2r8c3|10,r8c5r8c6", "solution": "459621873368957241721483569513872694674539128892164357946315782235748916187296435", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22744, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22747, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2021-10-22", "puzzle": 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"11,r0c0r0c1r1c0r1c1|17,r0c2r0c3r1c3|17,r0c5r0c6r1c5|16,r0c7r0c8r1c7r1c8|20,r0c4r1c4r2c4|12,r2c0r2c1|21,r1c2r2c2r3c2|14,r1c6r2c6r3c6|11,r2c7r2c8|24,r2c3r2c5r3c3r3c4r3c5|23,r3c0r4c0r5c0r5c1r6c0|22,r3c1r4c1r4c2r4c3|21,r3c7r4c5r4c6r4c7|33,r3c8r4c8r5c7r5c8r6c8|14,r5c2r5c3r6c3|12,r4c4r5c4r6c4r7c4|11,r5c5r5c6r6c5|7,r6c1r6c2|14,r6c6r6c7|33,r7c0r7c1r7c2r7c3r8c0r8c1|29,r7c5r7c6r7c7r7c8r8c7r8c8|23,r8c2r8c3r8c4r8c5r8c6", "solution": "539287641217694538846531792158963274472815369693742185361428957724359816985176423", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22757, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22758, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2021-10-24", "puzzle": 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"27,r0c0r0c1r0c2r1c0r1c1r1c2|23,r0c3r0c4r1c3|14,r0c5r0c6r1c5|10,r0c7r0c8r1c8|7,r1c4r2c4|19,r1c6r1c7r2c7|30,r2c0r2c1r2c2r3c0r3c1r4c0|19,r2c3r3c2r3c3r4c2|32,r2c5r2c6r3c4r3c5r3c6r4c5|16,r2c8r3c7r3c8|20,r4c3r4c4r5c3r5c4|8,r4c6r4c7|6,r4c1r5c1|22,r5c5r5c6r6c4r6c5|13,r4c8r5c7r5c8|16,r5c0r6c0|11,r5c2r6c2r6c3|17,r6c1r7c1r7c2|15,r7c3r7c4|23,r6c6r7c5r7c6r8c4r8c5r8c6|31,r6c7r6c8r7c7r7c8r8c7r8c8|13,r7c0r8c0r8c1|13,r8c2r8c3", "solution": "347695812265831497891247563423518976619472358758369241982156734536784129174923685", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22927, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22928, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2021-11-27", "puzzle": "7,r0c0r1c0|23,r0c1r0c2r0c3r1c1|0,r1c3r2c3|0,r0c4r1c4|13,r1c5r2c5|13,r0c5r0c6r0c7r1c7|0,r0c8r1c8|8,r1c2r2c2|0,r1c6r2c6|10,r2c0r3c0|14,r2c1r3c1|0,r3c2r3c3|16,r2c4r3c4|10,r3c5r3c6|11,r2c7r3c7|7,r2c8r3c8|7,r4c0r4c1|0,r4c2r4c3r4c4r4c5r4c6|0,r4c7r4c8|0,r5c0r5c1|0,r5c3r5c4r5c5|15,r5c7r5c8|3,r6c0r6c1|13,r5c2r6c2r7c2|0,r5c6r6c6r7c6|12,r6c7r6c8|0,r6c3r7c3r8c3|11,r6c4r7c4r8c4|16,r6c5r7c5r8c5|17,r7c0r8c0|14,r7c1r8c1r8c2|0,r7c7r8c6r8c7|0,r7c8r8c8", "solution": "284563719567819324391274685758196432619432578432785196126348957975621843843957261", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22928, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22933, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2021-11-28", "puzzle": 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"17,r0c5r0c6|5,r0c7r0c8|11,r0c0r1c0|9,r0c1r1c1|15,r0c2r1c2|11,r0c3r0c4r1c3|6,r1c7r1c8|5,r2c1r2c2|13,r1c4r2c4|10,r1c5r1c6r2c5|16,r2c0r3c0r3c1|14,r2c3r3c2r3c3|14,r3c4r3c5r4c5|16,r2c6r2c7r3c6|20,r3c7r4c6r4c7|13,r2c8r3c8|17,r4c0r4c1r4c2|16,r5c0r5c1r5c2|8,r4c3r5c3|20,r4c4r5c4r6c4|7,r5c6r5c7r6c6|13,r4c8r5c8|17,r6c2r6c3r7c3|11,r5c5r6c5|13,r6c0r7c0r8c0|16,r6c1r7c1r7c2|9,r7c4r7c5|10,r7c6r7c7|17,r6c7r6c8r7c8|17,r8c1r8c2r8c3|5,r8c4r8c5|14,r8c6r8c7r8c8", "solution": "716459832489273651523861947291548376647132589835796214172985463354627198968314725", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22935, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22930, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2021-11-28", "puzzle": "14,r0c1r0c2|14,r0c3r0c4|22,r0c5r0c6r0c7r1c6|10,r0c0r1c0|3,r1c2r1c3|18,r0c8r1c7r1c8r2c8|6,r1c1r2c1|21,r1c4r2c3r2c4|13,r1c5r2c5r3c5|8,r2c0r3c0|14,r2c2r3c1r3c2|28,r3c3r3c4r4c4r5c4r5c5|16,r2c6r2c7r3c6|12,r4c0r5c0|27,r4c1r4c2r4c3r5c1|14,r3c7r4c5r4c6r4c7|15,r3c8r4c8|18,r5c2r6c1r6c2|12,r5c6r5c7r6c6|7,r5c8r6c8|13,r5c3r6c3r7c3|10,r6c4r6c5r7c4|17,r6c7r7c7|21,r6c0r7c0r7c1r8c0|10,r7c5r7c6|11,r7c8r8c8|15,r7c2r8c1r8c2r8c3|10,r8c4r8c5|6,r8c6r8c7", "solution": "359864271741253968628791543215489736476532819893176425187345692562917384934628157", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22930, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22932, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2021-11-28", "puzzle": "17,r0c0r0c1r0c2r0c3|16,r1c1r1c2r2c1|21,r0c4r0c5r1c3r1c4|6,r1c5r2c5|13,r1c0r2c0|9,r2c2r2c3|45,r0c6r0c7r0c8r1c6r1c7r1c8r2c6r2c7r2c8|16,r3c1r3c2r3c3|3,r3c6r3c7|12,r3c0r4c0r4c1|20,r4c2r4c3r4c4r5c4r6c4|34,r2c4r3c4r3c5r4c5r4c6|21,r3c8r4c7r4c8r5c7|15,r5c0r5c1r6c1|23,r5c2r5c3r6c2r6c3|6,r5c6r6c6|18,r5c5r6c5r7c5|17,r6c7r7c6r7c7|28,r6c0r7c0r7c1r8c0r8c1r8c2|14,r7c2r7c3r8c3|23,r5c8r6c8r7c8r8c8|15,r7c4r8c4r8c5|13,r8c6r8c7", "solution": "317692485482375961965481372753849216149526738628713549576238194894157623231964857", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22932, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22931, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2021-11-28", "puzzle": "6,r0c2r0c3|5,r0c4r0c5|21,r0c0r0c1r1c0|10,r1c1r1c2|17,r1c4r1c5r2c5|27,r0c6r1c6r2c6r2c7r2c8|18,r0c7r0c8r1c7r1c8|16,r1c3r2c3|6,r2c0r3c0|5,r2c1r3c1|16,r2c2r3c2r3c3|17,r3c6r3c7r4c7|11,r3c8r4c8|15,r4c0r4c1r5c0|25,r4c2r4c3r4c4r5c4r6c4|26,r2c4r3c4r3c5r4c5r4c6|16,r5c2r5c3r6c2r6c3|6,r5c6r5c7|11,r5c8r6c8|18,r5c1r6c0r6c1|21,r5c5r6c5r6c6|7,r6c7r7c7|16,r7c2r7c3r8c2|10,r7c4r8c3r8c4|15,r7c5r7c6|24,r7c0r7c1r8c0r8c1|7,r8c5r8c6|13,r7c8r8c7r8c8", "solution": "875132946619748235234965178427581369153694782968327514391456827742819653586273491", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22931, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22934, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2021-11-28", "puzzle": "0,r0c0r0c1r1c0|15,r0c3r0c4|0,r0c2r1c1r1c2r2c0r2c1|6,r1c3r1c4|0,r0c5r0c6r1c5|21,r0c7r0c8r1c6r1c7|4,r2c4r2c5|11,r2c6r2c7r3c7|0,r1c8r2c8|17,r3c1r4c1|18,r2c2r2c3r3c2r3c3|10,r3c5r3c6|0,r3c0r4c0|33,r3c4r4c3r4c4r4c5r5c4r5c5|15,r3c8r4c7r4c8|18,r5c0r5c1r6c0|7,r4c2r5c2|0,r4c6r5c6|0,r5c3r6c3|0,r6c4r6c5|24,r6c1r7c0r7c1r8c0|10,r6c2r7c2r7c3|25,r6c6r6c7r7c6r7c7|11,r8c1r8c2|0,r7c4r8c3r8c4|0,r5c7r5c8r6c8r7c5r7c8r8c5r8c6r8c7r8c8", "solution": "247698135318425679956713248483271956195386427672954381561842793734569812829137564", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22934, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22936, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2021-11-29", "puzzle": "20,r0c4r0c5r0c6r0c7|13,r0c0r1c0|15,r0c1r0c2r0c3r1c1|14,r1c5r1c6r2c6|22,r0c8r1c7r1c8r2c7|24,r2c0r2c1r3c0r3c1|11,r1c3r2c3|5,r1c4r2c4|17,r1c2r2c2r3c2|9,r2c5r3c5|18,r2c8r3c7r3c8|13,r4c0r4c1|6,r4c2r5c2|5,r3c3r4c3|12,r4c5r5c5|8,r3c6r4c6|8,r4c7r4c8|15,r5c0r5c1r6c0|13,r5c3r6c3|20,r3c4r4c4r5c4|13,r5c6r6c6r7c6|15,r6c4r7c4|9,r6c5r7c5|21,r5c7r5c8r6c7r6c8|15,r6c1r7c0r7c1r8c0|16,r6c2r7c2r7c3|16,r7c7r8c5r8c6r8c7|12,r7c8r8c8|20,r8c1r8c2r8c3r8c4", "solution": "813925764527846391946317582384152679761489253295673148452791836139568427678234915", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22936, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22939, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2021-11-29", "puzzle": "18,r0c1r0c2r0c3|0,r0c4r0c5|0,r0c6r0c7|13,r0c0r1c0|0,r1c1r1c2r2c1r3c1|0,r1c3r1c4|0,r1c5r1c6r1c7|0,r0c8r1c8|0,r2c2r2c3|7,r2c4r2c5|26,r2c7r2c8r3c7r3c8|3,r2c0r3c0|14,r3c2r3c3|0,r2c6r3c6|7,r4c0r4c1|0,r4c2r4c3|0,r3c4r3c5r4c4r5c3r5c4|13,r4c5r4c6|0,r4c7r4c8|0,r5c2r6c2|10,r5c5r5c6|11,r5c8r6c8|28,r5c0r5c1r6c0r6c1|9,r6c3r6c4|0,r6c5r6c6|0,r7c0r8c0|0,r7c1r7c2r7c3|0,r7c4r7c5|23,r5c7r6c7r7c6r7c7|3,r7c8r8c8|11,r8c1r8c2|6,r8c3r8c4|22,r8c5r8c6r8c7", "solution": "937861245425793618168452793279514386341678529856329174692185437714936852583247961", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22939, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22937, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2021-11-29", "puzzle": "14,r0c0r0c1r0c2r1c0|17,r0c4r0c5r1c4|26,r0c6r0c7r0c8r1c7r2c7|10,r0c3r1c3|10,r1c5r1c6|31,r1c1r1c2r2c0r2c1r2c2|16,r2c3r2c4r3c4|9,r1c8r2c8|8,r3c2r3c3|25,r2c5r2c6r3c5r3c6r4c6|28,r3c7r3c8r4c7r4c8r5c7r5c8|19,r4c3r4c4r4c5|28,r3c0r3c1r4c0r4c1r5c0r5c1|32,r4c2r5c2r5c3r6c2r6c3|4,r5c5r5c6|15,r6c0r7c0|13,r5c4r6c4r6c5|22,r6c6r6c7r6c8r7c6r7c7|5,r7c2r7c3|11,r7c5r8c5|22,r6c1r7c1r8c0r8c1r8c2|17,r7c4r8c3r8c4|23,r7c8r8c6r8c7r8c8", "solution": "521948367637152894948736215473561928165289743289473156796815432852394671314627589", "extra": "{\"grid_size\": 9, \"puzzle_number\": 22937, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 22940, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2021-11-30", "puzzle": 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"24,r0c0r0c1r0c2r1c0r2c0|0,r0c3r0c4r1c4|0,r0c5r0c6|0,r0c7r1c7|6,r0c8r1c8|0,r1c1r1c2r1c3r2c1r2c2r3c1|15,r1c5r2c4r2c5|8,r1c6r2c6|6,r2c8r3c8|0,r2c3r3c2r3c3|5,r3c4r3c5|0,r2c7r3c7|14,r3c0r4c0r4c1|0,r3c6r4c6r4c7|0,r4c2r5c1r5c2|5,r4c3r5c3|27,r4c4r4c5r5c4r5c5|0,r5c6r5c7|12,r4c8r5c8|0,r5c0r6c0|0,r6c1r6c2|0,r6c3r6c4r7c4|10,r6c5r7c5|28,r6c6r6c7r6c8r7c6r8c6|7,r7c0r7c1|13,r7c2r7c3|10,r8c0r8c1|0,r8c2r8c3|0,r8c4r8c5|0,r7c7r7c8r8c7r8c8", "solution": "167952384853614792294738165679823541531467829482195673726341958348579216915286437", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23234, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23232, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2022-01-27", "puzzle": 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"17,r0c1r0c2|9,r0c6r0c7|13,r0c0r1c0r1c1|10,r0c3r1c3r2c3|16,r0c4r1c4|14,r0c5r1c5r2c5|11,r0c8r1c7r1c8|9,r2c0r2c1|18,r1c2r2c2r3c2r3c3|16,r1c6r2c6r3c5r3c6|17,r2c7r2c8|29,r3c0r3c1r4c0r4c1r4c2|7,r2c4r3c4|23,r3c7r3c8r4c6r4c7r4c8|15,r4c3r5c3|9,r4c4r5c4|14,r4c5r5c5|13,r5c0r5c1r5c2r6c0|29,r6c2r6c3r6c4r6c5r6c6r7c4|22,r5c6r5c7r5c8r6c8|13,r6c1r7c1|12,r7c2r7c3|9,r7c5r7c6|5,r6c7r7c7|9,r7c0r8c0|39,r8c1r8c2r8c3r8c4r8c5r8c6r8c7|7,r7c8r8c8", "solution": "689172453435698271271354689958421736762835194314769528546283917897516342123947865", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23245, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23244, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2022-01-29", "puzzle": 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"16,r0c0r0c1r1c1|10,r0c2r0c3|14,r0c4r0c5|4,r0c6r0c7|16,r1c2r1c3|9,r1c5r1c6|6,r0c8r1c8|16,r1c0r2c0r3c0|15,r1c4r2c3r2c4|22,r2c5r2c6r3c5r3c6r3c7|23,r1c7r2c7r2c8r3c8|12,r2c1r2c2r3c1|14,r4c0r4c1|12,r3c2r4c2r5c2|14,r3c3r4c3r5c3|12,r3c4r4c4r5c4|6,r4c5r4c6|16,r4c7r4c8|19,r5c1r6c1r6c2|8,r5c0r6c0r7c0|11,r6c3r6c4r7c4|28,r5c5r5c6r5c7r6c5r6c6|26,r5c8r6c7r6c8r7c7|5,r7c2r7c3|15,r7c5r7c6|6,r7c8r8c8|16,r7c1r8c0r8c1|14,r8c2r8c3|14,r8c4r8c5|6,r8c6r8c7", "solution": "876495312219783654543612987957826143681534279324179568498251736162347895735968421", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23412, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23411, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2022-03-03", "puzzle": "6,r0c0r0c1r1c0|0,r0c2r0c3|12,r0c7r0c8|21,r1c1r1c2r2c2|0,r0c4r1c3r1c4|10,r0c5r1c5|14,r0c6r1c6r2c6|0,r2c3r2c4r3c4|0,r1c7r2c7|10,r1c8r2c8|0,r2c0r3c0|0,r2c1r3c1|11,r3c2r3c3|0,r2c5r3c5|6,r4c0r5c0|0,r4c1r4c2r5c1r5c2|0,r4c3r4c4r4c5|30,r3c6r3c7r4c6r4c7|0,r3c8r4c8|4,r5c3r6c3|13,r5c5r5c6|0,r5c7r6c7|5,r5c8r6c8|16,r6c0r7c0|0,r6c1r7c1|21,r5c4r6c4r6c5|0,r6c2r7c2r8c2|10,r7c3r8c3|0,r7c4r7c5r8c4|0,r6c6r7c6r7c7|12,r8c0r8c1|0,r8c5r8c6|20,r7c8r8c7r8c8", "solution": "316824957297516384485973216639245871124738695578169423961387542753492168842651739", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23411, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23413, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2022-03-04", "puzzle": "22,r0c0r0c1r1c0r1c1|11,r0c2r0c3|16,r0c4r0c5r1c4r1c5|17,r1c6r1c7r2c7|20,r0c6r0c7r0c8r1c8r2c8|15,r1c2r1c3r2c2|17,r2c0r3c0|14,r2c1r3c1r4c1|12,r2c3r3c3|12,r2c4r3c4|24,r2c5r2c6r3c5r3c6|15,r3c7r3c8r4c7r4c8|3,r3c2r4c2|12,r4c3r4c4r5c4|12,r4c5r4c6|13,r4c0r5c0|33,r5c1r5c2r5c3r6c2r6c3r7c3|3,r5c5r5c6|13,r5c8r6c8|12,r6c4r6c5|20,r5c7r6c6r6c7|16,r7c4r7c5r7c6|14,r7c7r7c8r8c7r8c8|37,r6c0r6c1r7c0r7c1r7c2r8c0r8c1r8c2|9,r8c3r8c4|13,r8c5r8c6", "solution": "573892146286514397914376852842953761791268435635741289128639574367425918459187623", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23413, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23415, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2022-03-04", "puzzle": 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"10,r0c4r0c5r0c6r0c7|26,r0c0r0c1r0c2r1c0r2c0|30,r0c3r1c3r1c4r1c5r2c4|18,r0c8r1c8r2c8r3c8|30,r1c1r1c2r2c1r2c2r2c3r3c2|27,r1c6r1c7r2c6r2c7r3c7|26,r3c0r3c1r4c1r4c2r5c1|26,r3c3r3c4r4c3r4c4|14,r2c5r3c5r4c5|21,r3c6r4c6r4c7r5c7|26,r4c0r5c0r6c0r7c0|10,r5c2r5c3r5c4|14,r5c5r5c6r6c5|8,r4c8r5c8|30,r6c1r6c2r7c1r7c2r7c3|20,r6c3r6c4r7c4r7c5|22,r6c6r6c7r6c8r7c6r8c6|23,r7c7r7c8r8c7r8c8|11,r8c0r8c1r8c2r8c3|13,r8c4r8c5", "solution": "569712348231468795487953261712896534394275816856134972675381429948627153123549687", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23424, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23425, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2022-03-06", "puzzle": "23,r0c0r0c1r1c0r2c0|0,r0c7r0c8r1c8r2c8|0,r0c2r1c2|0,r0c3r1c3|0,r0c4r1c4|12,r0c5r1c5|12,r0c6r1c6|0,r1c1r2c1|0,r1c7r2c7|8,r2c2r3c2|9,r2c3r3c3|14,r2c4r3c4|14,r2c5r3c5|0,r2c6r3c6|21,r3c0r3c1r4c0r4c1r5c1|30,r3c7r3c8r4c7r4c8r5c7|13,r4c2r5c2|27,r4c3r4c4r4c5r5c3r5c4r5c5|3,r4c6r5c6|10,r5c0r6c0|23,r6c3r6c4r6c5r7c3r7c5|0,r5c8r6c8|14,r6c1r6c2r7c1|0,r6c6r6c7r7c7|13,r7c0r8c0|17,r7c2r8c1r8c2r8c3|0,r7c4r8c4|21,r7c6r8c5r8c6r8c7|9,r7c8r8c8", "solution": "253419786986723514741856329327198465198645273465237198674382951532961847819574632", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23425, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23427, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2022-03-07", "puzzle": "15,r0c0r0c1|4,r0c2r0c3|10,r0c4r0c5|10,r1c2r1c3|6,r0c6r1c6|13,r0c7r1c7|10,r0c8r1c8|15,r1c0r2c0|9,r1c1r2c1|10,r2c2r2c3r3c2|17,r1c4r2c4|15,r1c5r2c5r3c5|16,r2c6r2c7r2c8|3,r3c3r3c4|16,r3c0r3c1r4c0|8,r4c1r5c0r5c1|14,r4c2r5c2|18,r4c3r4c4r4c5|6,r3c6r4c6|19,r3c7r3c8r4c7|13,r4c8r5c7r5c8|12,r5c4r5c5|9,r6c0r6c1r6c2|21,r5c3r6c3r7c3|12,r6c4r7c4|17,r5c6r6c5r6c6|11,r6c7r7c7|8,r6c8r7c8|9,r7c0r8c0|13,r7c1r8c1|14,r7c2r8c2|11,r7c5r7c6|8,r8c3r8c4|7,r8c5r8c6|6,r8c7r8c8", "solution": "781346259653792481942185637397218564428567193516439728234851976165973842879624315", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23427, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23426, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2022-03-06", "puzzle": "17,r0c0r0c1r1c0|0,r0c2r0c3r0c4|0,r0c6r0c7r1c6|16,r1c3r1c4|8,r0c5r1c5|7,r0c8r1c8|0,r1c1r1c2r2c1|17,r2c4r2c5r2c6|15,r1c7r2c7r2c8|0,r2c0r3c0r4c0|0,r2c2r2c3r3c2|10,r3c5r3c6r3c7|0,r3c1r4c1|34,r3c3r3c4r4c3r4c4r4c5r5c4|12,r4c6r4c7|0,r3c8r4c8|0,r5c0r5c1|0,r4c2r5c2r6c2|8,r5c7r5c8|0,r5c3r6c3r7c3|11,r5c5r5c6r6c5|0,r6c6r6c7r6c8r7c6r7c7r7c8r8c6r8c7r8c8|16,r6c0r6c1r7c0|0,r7c1r7c2r8c2|0,r6c4r7c4|14,r8c0r8c1|0,r8c3r8c4|0,r7c5r8c5", "solution": "724516893835972164916348572248751639167239485359684217471895326592163748683427951", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23426, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23428, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2022-03-07", "puzzle": "31,r0c0r0c1r0c2r1c0r1c2|5,r0c5r0c6|8,r0c7r0c8|13,r0c3r1c3|7,r0c4r1c4|9,r1c1r2c1r3c1|19,r2c2r2c3r2c4|14,r1c5r1c6r2c5|13,r1c7r2c7|17,r2c0r3c0|10,r3c4r3c5|14,r2c6r3c6r3c7|10,r4c0r4c1|6,r4c4r4c5|10,r4c6r4c7|6,r5c0r6c0|24,r3c2r3c3r4c2r4c3r5c2r5c3|13,r5c4r5c5|8,r5c6r5c7r6c6|20,r5c1r6c1r7c1|21,r6c2r6c3r6c4|21,r6c5r7c5r7c6|9,r6c7r7c7|42,r1c8r2c8r3c8r4c8r5c8r6c8r7c8|3,r7c3r8c3|7,r7c4r8c4|24,r7c0r7c2r8c0r8c1r8c2|16,r8c5r8c6|5,r8c7r8c8", "solution": "549863271726514893813792645961428357372951468485376129237689514194235786658147932", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23428, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23429, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2022-03-07", "puzzle": 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"15,r0c0r0c1r1c0|0,r0c3r0c4|15,r0c2r1c1r1c2|11,r1c3r1c4|0,r2c0r2c1|16,r2c3r2c4|14,r2c5r2c6r3c6|26,r1c5r1c6r1c7r2c7r3c7|39,r0c5r0c6r0c7r0c8r1c8r2c8r3c8|0,r3c0r3c1|0,r2c2r3c2|13,r4c1r4c2r5c1|0,r4c6r5c6|9,r4c7r5c7|6,r4c8r5c8|0,r4c0r5c0|18,r5c2r5c3r6c2r6c3|0,r3c3r3c4r3c5r4c3r4c4r4c5r5c4r5c5|0,r6c0r6c1|0,r6c4r7c3r7c4|11,r6c5r6c6|19,r6c7r6c8r7c7|0,r7c0r7c1r8c0r8c1|15,r7c2r8c2|11,r7c6r8c6|9,r7c8r8c7r8c8|7,r8c3r8c4|6,r7c5r8c5", "solution": "675248319291563487348791526463127895957486132812359764124935678536872941789614253", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23430, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23431, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2022-03-07", "puzzle": 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"18,r0c0r0c1r1c0|11,r0c2r0c3r0c4|23,r0c5r0c6r1c5r1c6|16,r1c1r1c2r2c1r2c2|13,r1c3r1c4|13,r0c7r1c7r2c7|10,r0c8r1c8|17,r2c5r2c6|13,r2c0r3c0r4c0|40,r2c3r2c4r3c2r3c3r3c4r4c2r4c3|5,r3c6r3c7|10,r2c8r3c8|5,r3c1r4c1|26,r3c5r4c4r4c5r5c3r5c4r5c5|21,r4c6r4c7r4c8|8,r5c2r6c2|11,r5c6r5c7r5c8|23,r5c0r5c1r6c0r6c1|18,r7c0r7c1r7c2|11,r6c3r7c3|15,r6c4r7c4r8c4|25,r6c6r6c7r6c8r7c6r7c7r8c6|6,r8c0r8c1|11,r8c2r8c3|16,r6c5r7c5r8c5|20,r7c8r8c7r8c8", "solution": "895423761132678549674159832519746328246831975387592416751964283963287154428315697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23523, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23521, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2022-03-25", "puzzle": 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"9,r0c0r0c1|14,r0c5r0c6r0c7|9,r1c0r1c1|13,r0c2r1c2r2c2|18,r0c4r1c4r1c5|12,r1c6r2c6|14,r0c8r1c7r1c8|22,r2c0r2c1r3c0|16,r0c3r1c3r2c3|8,r2c4r2c5|9,r3c1r3c2|12,r3c3r3c4|15,r3c5r3c6r4c5|8,r2c7r3c7|10,r2c8r3c8|7,r4c1r4c2r5c1|12,r4c3r4c4|9,r4c6r4c7|16,r4c0r5c0r6c0|17,r5c2r6c2|7,r5c4r5c5|7,r5c6r5c7|15,r4c8r5c8|11,r5c3r6c3r7c3|8,r6c6r6c7r6c8|5,r7c0r8c0|21,r6c1r7c1r7c2|11,r6c4r6c5r7c4|7,r8c1r8c2|14,r8c3r8c4|19,r7c5r8c5r8c6|21,r7c6r7c7r8c7|9,r7c8r8c8", "solution": "182793564637145982954826371863572419521489637749361258498637125375214896216958743", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23527, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23529, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2022-03-27", "puzzle": 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"6,r0c1r0c2|23,r0c3r0c4r0c5r0c6r1c4|17,r0c0r1c0r1c1|14,r1c5r1c6|13,r0c7r1c7|6,r0c8r1c8|11,r2c0r2c1|21,r1c2r2c2r3c1r3c2|15,r1c3r2c3r3c3|14,r2c6r2c7r2c8|16,r2c4r2c5r3c4|12,r3c7r3c8|17,r3c0r4c0r4c1r5c0|18,r4c2r4c3r4c4|12,r3c5r4c5r5c5|7,r3c6r4c6r5c6|14,r4c7r4c8|19,r5c4r6c4r6c5|12,r5c7r5c8|15,r6c0r6c1|18,r5c1r5c2r6c2r7c2|16,r5c3r6c3r7c3|15,r6c6r6c7r6c8|14,r7c0r7c1r8c0|9,r7c5r7c6|6,r7c7r8c7|10,r7c8r8c8|7,r8c1r8c2|28,r7c4r8c3r8c4r8c5r8c6", "solution": "715298364468315972923467518246839157379541286581672493692184735857923641134756829", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23548, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23551, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2022-03-31", "puzzle": 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"19,r0c1r0c2r0c3r0c4r0c5|32,r0c6r0c7r1c7r2c7r2c8r3c7|14,r0c0r1c0|24,r1c4r1c5r1c6r2c5r3c5|8,r0c8r1c8|33,r1c1r1c2r2c0r2c1r2c2r3c1|22,r1c3r2c3r2c4|20,r3c0r4c0r4c1r4c2r5c0|5,r3c2r3c3|9,r2c6r3c6|36,r3c4r4c3r4c4r4c5r4c6r5c4|16,r3c8r4c7r4c8r5c8|7,r5c2r5c3|5,r5c6r6c6|35,r5c1r6c0r6c1r6c2r7c1r7c2|12,r6c3r6c4r7c3|9,r7c0r8c0|20,r5c5r6c5r7c4r7c5r7c6|11,r7c8r8c8|29,r8c1r8c2r8c3r8c4r8c5|39,r5c7r6c7r6c8r7c7r8c6r8c7", "solution": "851643927634927851927851436182396574573284619496175382348719265765432198219568743", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23554, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23552, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2022-04-01", "puzzle": 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"15,r0c0r0c1|8,r0c2r0c3|29,r0c4r0c5r0c6r0c7r0c8r1c4|0,r1c6r1c7r2c6r2c7|14,r1c8r2c8r3c8|7,r1c0r2c0|0,r1c1r2c1|16,r1c2r1c3r2c2|10,r2c3r2c4|0,r3c2r3c3|0,r1c5r2c5r3c5|0,r3c6r3c7|0,r3c0r4c0|24,r3c1r4c1r4c2r4c3|12,r3c4r4c4r5c4|0,r4c5r4c6r4c7r5c7|5,r4c8r5c8|8,r5c1r5c2|16,r5c3r6c3r7c3|0,r5c5r5c6|8,r6c4r6c5|9,r6c6r7c5r7c6|10,r6c7r7c7|0,r6c8r7c8|16,r5c0r6c0r7c0|21,r6c1r6c2r7c1r7c2|28,r7c4r8c0r8c1r8c2r8c3r8c4|8,r8c5r8c6|14,r8c7r8c8", "solution": "873546912214379586569281473728413695196725834435698721957162348381954267642837159", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23706, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23708, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2022-05-02", "puzzle": 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"27,r0c2r0c3r0c4r1c4r1c5|5,r0c5r0c6|13,r0c7r0c8|8,r0c0r1c0|14,r0c1r1c1|5,r1c2r1c3|18,r1c6r1c7r1c8|5,r2c0r2c1|30,r2c2r2c3r2c4r3c2|15,r3c0r3c1|13,r2c5r2c6r3c5|4,r2c7r3c7|6,r2c8r3c8|17,r3c3r3c4r4c3|18,r3c6r4c5r4c6|8,r4c7r4c8|7,r4c0r5c0|16,r4c1r4c2r5c1r5c2|9,r4c4r5c4|13,r5c5r5c6|17,r5c7r5c8|5,r5c3r6c3|8,r6c4r6c5|18,r6c0r7c0r8c0|20,r6c1r7c1r8c1r8c2|23,r6c2r7c2r7c3r8c3|9,r6c6r7c6|18,r6c7r6c8r7c7|6,r7c4r8c4|12,r7c5r8c5|5,r8c6r8c7|13,r7c8r8c8", "solution": "196473285754182963328695714967841532283569471541237698875326149632914857419758326", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23719, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23721, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2022-05-04", "puzzle": "28,r0c2r0c3r0c4r0c5r0c6|18,r0c0r0c1r1c0r1c1|9,r1c2r1c3|14,r1c5r1c6|20,r0c7r0c8r1c7r1c8|23,r2c0r2c1r2c2r2c3r3c0|5,r1c4r2c4|29,r2c5r2c6r2c7r2c8r3c8|5,r3c1r4c1|17,r3c2r3c3r4c2|14,r3c4r4c4|12,r3c5r3c6r4c6|13,r3c7r4c7|8,r4c0r5c0|13,r5c1r5c2|24,r4c3r4c5r5c3r5c4r5c5|7,r5c6r5c7|11,r4c8r5c8|17,r6c0r6c1|33,r6c2r6c3r6c4r6c5r6c6r7c2r7c6|5,r6c7r6c8|22,r7c0r7c1r8c0r8c1r8c2|27,r7c3r7c4r7c5r8c3r8c4r8c5|31,r7c7r7c8r8c6r8c7r8c8", "solution": "937856241426319578581247936719562384643981752258734619894675123172493865365128497", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23721, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23720, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2022-05-04", "puzzle": 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"15,r0c0r0c1r1c0|8,r0c2r0c3|0,r0c4r0c5r1c5|21,r0c7r0c8r1c7r1c8r2c7|12,r1c3r1c4|0,r0c6r1c6|20,r1c1r1c2r2c1r2c2|14,r2c3r2c4|12,r2c5r2c6|12,r2c0r3c0|7,r3c2r4c2|22,r3c3r3c4r3c5r4c3r5c3|5,r3c6r3c7|9,r2c8r3c8|15,r3c1r4c1|0,r4c6r4c7r4c8|8,r4c0r5c0r5c1|0,r4c4r4c5r5c4r5c5|11,r6c0r6c1|0,r5c2r6c2|0,r5c6r6c5r6c6|0,r5c7r6c7|10,r5c8r6c8|11,r6c3r7c3|0,r6c4r7c4r8c4|11,r7c5r7c6|0,r7c7r7c8r8c7r8c8|0,r7c0r7c1r7c2r8c0r8c1|0,r8c2r8c3|0,r8c5r8c6", "solution": "576213849389574621412869357893657412164392785257148936928735164731426598645981273", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23732, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23733, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2022-05-06", "puzzle": 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"35,r0c3r0c4r1c4r2c4r3c4|13,r0c5r0c6|14,r0c0r1c0r2c0|16,r0c1r0c2r1c1r2c1|10,r1c2r1c3|6,r1c5r1c6|12,r0c7r1c7|10,r0c8r1c8|13,r2c2r2c3r3c3|10,r2c5r2c6r2c7|11,r3c0r3c1r4c0r4c1|17,r2c8r3c7r3c8|19,r3c2r4c2r5c2|23,r3c5r4c3r4c4r4c5r5c3|24,r3c6r4c6r5c6|23,r5c0r5c1r6c0|12,r4c7r4c8r5c7r5c8|14,r6c1r6c2r6c3|12,r5c5r6c5r6c6|13,r7c0r8c0|8,r7c1r8c1|10,r7c2r7c3|9,r7c5r7c6|14,r6c7r7c7r8c6r8c7|21,r6c8r7c8r8c8|11,r8c2r8c3|25,r5c4r6c4r7c4r8c4r8c5", "solution": "231768594789154236546392178127485963358916742694237851863571429972843615415629387", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23902, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23903, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2022-06-08", "puzzle": 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"19,r0c0r0c1r1c0r2c0r3c0|11,r0c7r0c8|21,r0c2r1c1r1c2|25,r0c3r0c4r1c3r1c4|0,r0c5r1c5r2c5|0,r0c6r1c6|14,r1c7r1c8r2c8|0,r2c3r2c4r3c3|18,r2c6r2c7r3c6r3c7|0,r2c1r3c1|17,r2c2r3c2|0,r3c4r3c5|0,r4c0r4c1|14,r4c2r4c3|0,r4c4r4c5|0,r3c8r4c6r4c7r4c8r5c8|0,r5c1r6c1|5,r5c2r6c2|12,r5c4r5c5|19,r5c3r6c3r6c4|0,r5c6r5c7r6c6r6c7|0,r7c1r7c2r8c2|14,r7c3r7c4r8c3r8c4|20,r6c5r7c5r8c5|10,r7c6r8c6|15,r6c8r7c7r7c8|31,r5c0r6c0r7c0r8c0r8c1|14,r8c7r8c8", "solution": "416375892587692143239481657798216435165934278342857961623748519871569324954123786", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23900, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23904, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2022-06-08", "puzzle": 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"35,r0c1r0c2r0c3r0c4r0c5r0c6r0c7|24,r0c0r1c0r1c1r1c2r2c0|17,r1c3r1c4r1c5|24,r0c8r1c6r1c7r1c8r2c8|14,r2c3r2c4r2c5|9,r2c1r3c1|12,r2c2r3c2|3,r2c6r3c6|7,r2c7r3c7|15,r3c0r4c0|12,r3c3r4c2r4c3|18,r3c4r4c4r5c4|15,r3c5r4c5r4c6|14,r3c8r4c8|17,r4c1r5c0r5c1|19,r4c7r5c7r5c8|11,r6c0r6c1|20,r5c2r6c2r7c2r8c2|7,r5c3r6c3|10,r5c5r6c5|23,r5c6r6c6r7c6r8c6|10,r6c7r6c8|13,r7c0r7c1|8,r7c7r7c8|6,r8c0r8c1|35,r6c4r7c3r7c4r7c5r8c3r8c4r8c5|7,r8c7r8c8", "solution": "234761958168935472759428163643857219971342685825196347382674591497513826516289734", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23908, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23907, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2022-06-09", "puzzle": 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"12,r0c0r0c1|14,r0c3r0c4|8,r0c5r0c6|12,r0c7r0c8r1c7r1c8|15,r0c2r1c2r2c2|17,r1c0r2c0r3c0r4c0|12,r1c1r2c1|33,r1c3r1c4r1c5r1c6r2c3r2c4|16,r2c5r2c6r3c6|11,r2c8r3c8|15,r3c1r3c2r3c3|20,r3c4r3c5r4c5|19,r4c2r4c3r4c4r5c4r6c4|14,r4c8r5c8|14,r4c1r5c0r5c1|27,r2c7r3c7r4c6r4c7r5c6r5c7|16,r5c2r5c3r6c2r6c3|18,r5c5r6c5r7c5|16,r6c6r6c7r6c8|11,r6c1r7c1r7c2|18,r7c3r7c4r8c3|3,r7c6r7c7|14,r7c8r8c8|33,r6c0r7c0r8c0r8c1r8c2|17,r8c4r8c5r8c6r8c7", "solution": "486591732537842961192736854948365217273189645615427389721658493854973126369214578", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23913, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23915, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2022-06-10", "puzzle": 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"10,r0c2r0c3|18,r0c6r0c7r0c8|18,r0c0r0c1r1c0|8,r1c1r1c2r1c3|10,r0c4r1c4|11,r0c5r1c5|12,r1c7r1c8|15,r2c1r2c2|14,r2c3r2c4r2c5|12,r1c6r2c6|11,r2c0r3c0|20,r3c2r3c3r4c3|6,r3c4r3c5|7,r2c7r3c6r3c7|8,r2c8r3c8|10,r3c1r4c0r4c1|16,r4c6r4c7r5c6|20,r4c2r5c2r5c3|11,r4c4r5c4|10,r4c5r5c5|12,r4c8r5c8|14,r5c0r5c1r6c0|7,r6c1r6c2|13,r6c3r6c4r7c3|14,r5c7r6c7|11,r7c0r7c1r7c2|20,r6c5r7c4r7c5|11,r6c6r7c6|11,r6c8r7c7r7c8|19,r8c0r8c1r8c2|7,r8c3r8c4|9,r8c5r8c6|10,r8c7r8c8", "solution": "392814765651297384487536912738951246165342879249678153816423597524789631973165428", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23917, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23916, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2022-06-10", "puzzle": 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"15,r0c0r0c1|14,r0c3r0c4r0c5|6,r0c7r0c8|8,r0c2r1c1r1c2|18,r1c3r1c4r1c5|18,r0c6r1c6r1c7|17,r1c0r2c0r2c1|14,r2c2r2c3|7,r2c5r2c6|17,r1c8r2c7r2c8|19,r3c0r3c1r4c1r5c1r5c2|9,r3c2r3c3|9,r2c4r3c4r4c4|14,r3c5r3c6|25,r3c7r3c8r4c7r5c6r5c7|15,r4c2r4c3|5,r4c5r4c6|12,r4c0r5c0|18,r5c3r5c4r5c5|10,r4c8r5c8|16,r6c1r6c2r7c1|32,r6c3r6c4r6c5r7c4r8c3r8c4r8c5|17,r6c6r6c7r7c7|12,r6c0r7c0|6,r7c2r7c3|10,r7c5r7c6|7,r6c8r7c8|16,r8c0r8c1r8c2|19,r8c6r8c7r8c8", "solution": "693482715214657389785913462176325948958764123342891657867249531431578296529136874", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23918, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23919, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2022-06-11", "puzzle": "15,r0c2r0c3|10,r0c4r0c5|13,r0c6r0c7r0c8r1c8|16,r0c0r1c0r2c0r3c0|13,r0c1r1c1|22,r1c4r1c5r1c6r2c4|18,r1c2r1c3r2c1r2c2|11,r2c5r2c6|9,r1c7r2c7|12,r3c1r3c2|20,r2c8r3c6r3c7r3c8|11,r4c0r4c1r4c2|40,r2c3r3c3r3c4r4c3r4c4r5c3r5c4r6c3|22,r3c5r4c5r5c5|18,r4c6r4c7r4c8|9,r5c1r5c2|18,r5c6r5c7r5c8r6c8|20,r6c1r6c2r7c2r7c3|5,r6c5r6c6|11,r6c7r7c7|28,r5c0r6c0r7c0r8c0|4,r7c1r8c1|20,r6c4r7c4r7c5r7c6|6,r8c2r8c3|10,r8c4r8c5|24,r7c8r8c6r8c7r8c8", "solution": "459682731386417952271953846793165284128349567645728319967834125812576493534291678", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23919, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23920, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2022-06-11", "puzzle": 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"8,r0c0r0c1r0c2|21,r0c6r0c7r1c7|9,r1c0r1c1|5,r0c3r1c3|9,r0c4r1c4|17,r0c5r1c5r1c6|13,r0c8r1c8|20,r2c0r2c1r3c1|17,r1c2r2c2|14,r2c3r2c4|4,r2c5r2c6|8,r2c7r3c7|6,r3c5r3c6|10,r2c8r3c8|7,r3c0r4c0|16,r3c2r4c1r4c2|5,r3c3r4c3|24,r3c4r4c4r5c4|9,r4c5r5c5|18,r4c6r4c7r5c6|6,r4c8r5c8|6,r5c0r6c0|12,r5c2r5c3|7,r5c1r6c1|11,r6c2r6c3|11,r6c4r6c5|13,r6c6r7c6|16,r5c7r6c7r6c8|17,r7c0r8c0|16,r7c2r7c3r8c3|3,r7c4r8c4|9,r7c5r8c5|12,r7c7r7c8|16,r7c1r8c1r8c2|10,r8c6r8c7r8c8", "solution": "512347896368259147749861352695172438183496275427583961254738619931625784876914523", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23937, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23938, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2022-06-15", "puzzle": 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"10,r0c1r0c2r1c1|11,r0c4r0c5|13,r0c6r0c7r0c8|8,r0c0r1c0|12,r0c3r1c3|15,r1c5r1c6r2c6|22,r1c7r1c8r2c8|13,r2c0r2c1r3c1|17,r1c2r2c2|13,r1c4r2c3r2c4|15,r3c3r3c4|3,r2c5r3c5|8,r2c7r3c7|12,r3c0r4c0r5c0|20,r4c1r5c1r5c2|10,r3c2r4c2|4,r4c3r4c4|17,r3c6r4c6|12,r3c8r4c8r5c8|14,r5c3r5c4|13,r4c5r5c5r5c6|8,r4c7r5c7|16,r6c0r6c1|9,r6c2r6c3|15,r6c4r7c4r7c5|9,r6c5r6c6|6,r6c7r6c8|11,r7c2r7c3|12,r7c0r8c0|8,r7c1r8c1|7,r8c2r8c3|9,r8c4r8c5|16,r7c6r7c7r8c6|17,r7c8r8c7r8c8", "solution": "372965418519348276648271539136782954954136827287594361791853642425619783863427195", "extra": "{\"grid_size\": 9, \"puzzle_number\": 23947, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 23943, "game_type": "killer_sudoku", "difficulty": "7", "puzzle_date": "2022-06-16", "puzzle": 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"11,r0c2r0c3|7,r0c5r0c6|12,r0c0r1c0r2c0|28,r0c1r1c1r1c2r1c3|17,r0c7r1c5r1c6r1c7|20,r0c8r1c8r2c8|16,r2c1r2c2r2c3r3c1|9,r3c2r3c3|29,r0c4r1c4r2c4r3c4r4c4r5c4|7,r3c5r3c6|26,r2c5r2c6r2c7r3c7|11,r4c2r4c3|11,r4c5r4c6|22,r3c0r4c0r4c1r5c0r5c1|12,r5c2r5c3|16,r5c5r5c6|16,r3c8r4c7r4c8r5c7r5c8|6,r6c0r6c1|11,r6c2r6c3r7c3|17,r6c5r6c6r7c5|15,r6c7r6c8|38,r7c0r7c1r7c2r8c0r8c1r8c2|21,r6c4r7c4r8c3r8c4r8c5|27,r7c6r7c7r7c8r8c6r8c7r8c8", "solution": "589236147647918235132574698968142573275693814314857926421785369756329481893461752", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25034, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25035, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2023-01-19", "puzzle": 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"18,r0c0r0c1r1c0r1c1|0,r0c7r0c8|9,r0c2r1c2|9,r0c3r1c3|0,r0c4r1c4|0,r0c5r0c6r1c5|0,r1c6r1c7r2c6|0,r2c0r2c1|17,r2c4r2c5|12,r1c8r2c8|0,r3c0r3c1|0,r2c2r2c3r3c2|8,r2c7r3c7|0,r4c0r4c1|38,r3c3r3c4r3c5r4c3r4c4r4c5r5c3r5c4|0,r3c6r4c6r4c7|9,r3c8r4c8|9,r5c0r5c1r6c0|0,r4c2r5c2|5,r5c7r5c8|21,r5c5r5c6r6c5|0,r6c6r6c7r7c6r7c7|11,r6c1r6c2r7c1|0,r7c2r7c3|0,r6c3r6c4r7c4|30,r6c8r7c8r8c6r8c7r8c8|17,r7c0r8c0|0,r8c1r8c2|3,r8c3r8c4|0,r7c5r8c5", "solution": "248536179391472658576189324489321567715964832623857941162795483937648215854213796", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25036, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25037, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2023-01-20", "puzzle": "9,r0c0r0c1|22,r0c2r1c2r2c2|19,r0c3r0c4r1c3|14,r0c5r0c6r1c5r2c5|13,r0c7r1c6r1c7|10,r0c8r1c8|13,r1c0r1c1r2c0|8,r1c4r2c4|23,r2c1r3c0r3c1r3c2r4c0|21,r2c3r3c3r3c4|14,r2c6r3c5r3c6|9,r2c7r3c7|9,r2c8r3c8|23,r4c1r4c2r4c3r4c4r5c3r5c4|14,r4c5r5c5|9,r5c1r5c2|17,r4c6r4c7r5c6|11,r4c8r5c8|21,r5c0r6c0r6c1|9,r6c3r7c3|22,r5c7r6c7r7c7|20,r7c0r7c1r8c0r8c1|5,r6c2r7c2|3,r6c4r7c4|11,r6c5r7c5|5,r6c6r7c6|12,r6c8r7c8|13,r8c2r8c3|21,r8c4r8c5r8c6|5,r8c7r8c8", "solution": "635897214748251936219634758396782541427165389581349672973428165862513497154976823", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25037, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25038, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2023-01-20", "puzzle": "14,r0c1r0c2|5,r0c4r0c5|15,r0c3r1c3|19,r1c4r1c5r2c4r2c5|26,r0c6r0c7r0c8r1c6r1c7|24,r0c0r1c0r1c1r1c2r2c0r2c1|13,r2c2r2c3|15,r1c8r2c8r3c8|14,r2c6r3c5r3c6|17,r2c7r3c7r4c7|21,r3c0r3c1r3c2r3c3r4c0|14,r4c2r4c3|15,r3c4r4c4r5c4|14,r4c5r4c6|21,r4c8r5c5r5c6r5c7r5c8|8,r4c1r5c1r6c1|18,r5c2r5c3r6c2|18,r5c0r6c0r7c0|11,r6c5r6c6|23,r6c7r6c8r7c6r7c7r7c8r8c8|24,r7c1r7c2r8c0r8c1r8c2|23,r6c3r6c4r7c3r7c4|4,r7c5r8c5|12,r8c3r8c4|17,r8c6r8c7", "solution": "386714259154829736927635814871362495235948671649157328718296543592483167463571982", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25038, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25039, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2023-01-20", "puzzle": "10,r0c2r0c3|16,r0c0r0c1r1c0|11,r1c3r2c3|19,r0c4r0c5r0c6r1c4|8,r1c5r1c6|7,r0c7r1c7|16,r0c8r1c8|25,r1c1r1c2r2c1r2c2|22,r2c6r2c7r2c8r3c6r4c6|8,r2c0r3c0|5,r3c1r3c2|5,r2c5r3c5|28,r3c7r3c8r4c7r4c8r5c7|23,r4c0r4c1r5c0r6c0|19,r2c4r3c3r3c4r4c2r4c3|19,r4c4r4c5r5c4|14,r5c2r5c3|27,r5c5r5c6r6c5r6c6|7,r5c1r6c1|4,r5c8r6c8|17,r7c0r7c1|27,r6c2r6c3r6c4r7c2r8c2|13,r6c7r7c6r7c7|5,r8c0r8c1|19,r7c3r7c4r7c5r8c3r8c4|17,r8c5r8c6|14,r7c8r8c7r8c8", "solution": "451982367728463519396751284532614798674398152819527643263845971987136425145279836", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25039, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25040, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2023-01-20", "puzzle": 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"17,r0c3r0c4|8,r0c5r0c6|15,r0c0r1c0r2c0|5,r0c1r1c1|12,r0c2r1c2|12,r1c5r1c6|19,r0c7r0c8r1c7|10,r1c8r2c8r3c8|12,r2c2r3c2|15,r1c3r1c4r2c3|9,r2c7r3c7|15,r2c1r3c0r3c1|4,r2c4r3c4|12,r2c5r3c5r4c5|13,r2c6r3c6|10,r4c1r4c2|14,r3c3r4c3|20,r4c0r5c0r5c1|8,r5c2r5c3|12,r4c4r5c4r5c5|8,r4c6r4c7r5c6|20,r4c8r5c7r5c8|13,r6c1r7c1r8c1|8,r6c4r6c5|12,r6c7r6c8|16,r6c0r7c0r8c0|18,r6c2r6c3r7c2|14,r6c6r7c6r8c6|6,r7c3r8c2r8c3|13,r7c4r8c4|16,r7c5r8c5|10,r7c7r8c7|9,r7c8r8c8", "solution": "127895364635274891849631752293518647764923518581746239318462975956187423472359186", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25918, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25919, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2023-07-15", "puzzle": 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"34,r0c1r0c2r0c3r0c4r0c5r1c2r1c5|18,r0c6r0c7r1c6|11,r0c0r1c0|12,r1c3r1c4|10,r0c8r1c7r1c8|25,r1c1r2c0r2c1r2c2r2c3r2c4|16,r2c5r2c6r2c7|26,r3c0r3c1r4c1r5c1r5c2r5c3|17,r2c8r3c8r4c8|14,r3c2r4c2r4c3|29,r3c3r3c4r4c4r5c4r5c5|19,r4c5r4c6r5c6|13,r4c0r5c0r6c0|29,r3c5r3c6r3c7r4c7r5c7r5c8|20,r6c1r6c2r6c3|25,r6c4r6c5r6c6r6c7r6c8r7c7|20,r7c0r7c1r8c0|14,r7c4r7c5|15,r7c8r8c8|7,r7c2r8c1r8c2|31,r7c3r7c6r8c3r8c4r8c5r8c6r8c7", "solution": "739625481458931672162478359945867123276314895813259764387542916594186237621793548", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25924, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25925, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2023-07-16", "puzzle": "16,r0c2r0c3|9,r0c4r0c5|31,r0c6r0c7r0c8r1c7r1c8r2c8|9,r0c0r1c0|14,r1c2r1c3|3,r1c5r1c6|22,r0c1r1c1r2c0r2c1r2c2|10,r1c4r2c4|15,r2c5r2c6r3c6|14,r2c7r3c7|7,r3c0r3c1|18,r2c3r3c2r3c3r4c3|7,r3c8r4c8|23,r3c4r3c5r4c4r4c5|11,r4c6r4c7|11,r4c0r5c0|37,r4c1r5c1r6c1r7c1r7c2r7c3r7c4|25,r5c4r5c5r5c6r6c5|5,r5c7r6c7|9,r5c8r6c8|30,r4c2r5c2r5c3r6c2r6c3r6c4|23,r6c0r7c0r8c0r8c1r8c2|8,r7c5r8c5|24,r6c6r7c6r7c7r7c8r8c6|12,r8c3r8c4|12,r8c7r8c8", "solution": "239745618765981243418623759347218596682359471591467832156894327874132965923576184", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25925, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25926, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2023-07-16", "puzzle": 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"19,r0c2r0c3r0c4|11,r0c5r0c6r0c7|12,r0c0r0c1r1c0|29,r1c1r1c2r2c1r2c2r2c3r3c2|11,r1c3r1c4|8,r1c6r1c7|7,r0c8r1c8|19,r1c5r2c4r2c5|14,r2c0r3c0r4c0|30,r2c6r2c7r3c5r3c6r4c6r5c6|10,r2c8r3c8|9,r3c1r4c1|13,r3c3r3c4r4c3r4c4|24,r3c7r4c7r5c7|17,r4c2r5c1r5c2|15,r4c5r5c4r5c5|18,r4c8r5c8r6c8|19,r5c0r6c0r7c0|26,r5c3r6c2r6c3r6c4r6c5r7c2|9,r6c1r7c1|15,r7c3r7c4r7c5|9,r8c0r8c1|7,r8c2r8c3|17,r8c4r8c5r8c6|37,r6c6r6c7r7c6r7c7r7c8r8c7r8c8", "solution": "567932814198745623423168759256379481849216375371854296984621537715483962632597148", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25929, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25928, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2023-07-17", "puzzle": 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"9,r0c2r0c3|11,r0c4r0c5|0,r0c0r1c0|13,r0c1r1c1|14,r1c2r1c3|0,r1c4r1c5|16,r0c6r0c7r0c8r1c8r2c8|15,r2c2r2c3r2c4|0,r1c6r1c7r2c6r2c7|0,r2c0r2c1r3c0|0,r3c1r3c2|13,r2c5r3c5r3c6|0,r3c7r4c7|15,r3c8r4c8|0,r4c1r4c2r5c1|0,r4c0r5c0|37,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|16,r4c6r5c6r6c6|8,r5c7r6c7|9,r5c8r6c8|26,r5c2r5c3r6c1r6c2r6c3r7c2|0,r6c4r7c3r7c4|14,r6c5r7c5|29,r6c0r7c0r7c1r8c0r8c1r8c2|0,r7c7r7c8|5,r8c3r8c4|18,r7c6r8c5r8c6|8,r8c7r8c8", "solution": "892765341645931872713842596329657418581294637476183925957328164134576289268419753", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25931, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25933, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2023-07-18", "puzzle": "12,r0c0r0c1r0c2r0c3|26,r0c5r0c6r0c7r0c8|16,r1c0r1c1|9,r1c2r1c3|10,r0c4r1c4|9,r1c5r1c6|8,r1c7r1c8|6,r2c0r2c1|33,r2c2r2c3r2c4r2c5r2c6r3c4|10,r2c7r2c8|3,r3c0r3c1|8,r3c7r3c8|10,r4c0r4c1|18,r3c2r3c3r4c2|22,r4c3r4c4r4c5r5c4|24,r3c5r3c6r4c6|7,r4c7r4c8|13,r5c0r5c1|11,r5c7r5c8|16,r5c2r6c2|12,r5c3r6c3|4,r5c5r6c5|8,r5c6r6c6|23,r6c0r7c0r8c0|10,r6c1r7c1r7c2r7c3|20,r6c7r7c5r7c6r7c7|16,r6c8r7c8r8c8|13,r8c1r8c2r8c3|15,r6c4r7c4r8c4|13,r8c5r8c6r8c7", "solution": "163275498795438126428619537216847953374592861589361274847923615632154789951786342", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25933, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25934, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2023-07-18", "puzzle": 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"14,r0c3r0c4r0c5|31,r0c0r0c1r0c2r1c0r1c1|5,r1c2r1c3|13,r1c5r1c6|19,r0c6r0c7r0c8r1c7r1c8|19,r2c0r2c1r2c2r3c0|24,r1c4r2c3r2c4r2c5|22,r2c6r2c7r2c8r3c8|27,r3c1r3c2r3c3r4c1r4c2r4c3|29,r3c5r3c6r3c7r4c5r4c6r4c7|14,r4c0r5c0|8,r5c2r5c3|16,r5c5r5c6|13,r4c8r5c8|21,r5c1r6c1r6c2r6c3|15,r3c4r4c4r5c4r6c4r7c4|17,r5c7r6c5r6c6r6c7|13,r6c0r7c0r7c1|14,r6c8r7c7r7c8|17,r7c2r8c0r8c1r8c2|35,r7c3r7c5r8c3r8c4r8c5|19,r7c6r8c6r8c7r8c8", "solution": "386572149594186732217493865972651483631849257845327916169234578753918624428765391", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25935, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25936, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2023-07-18", "puzzle": "7,r0c2r0c3|23,r0c0r0c1r1c0|0,r1c1r1c2|18,r0c4r0c5r1c3r1c4r1c5|17,r0c6r0c7r1c6r1c7|0,r0c8r1c8|14,r2c0r2c1r3c0|0,r2c2r2c3|20,r2c4r2c5r2c6|8,r2c7r2c8|6,r3c1r3c2r3c3|31,r3c6r3c7r4c7r5c6r5c7|0,r4c0r4c1r4c2|17,r3c4r4c3r4c4r5c4|24,r3c5r4c5r4c6r5c5|8,r3c8r4c8r5c8|15,r5c1r5c2r5c3|16,r5c0r6c0r6c1|0,r6c2r6c3|18,r6c4r6c5r6c6|9,r6c7r6c8|0,r7c0r8c0r8c1|0,r7c1r7c2|23,r7c3r7c4r7c5r8c4r8c5|0,r7c6r7c7r8c6r8c7|0,r7c8r8c8|13,r8c2r8c3", "solution": "964325187827416539351879426632147895489253671715968342543692718196784253278531964", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25936, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25937, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2023-07-18", "puzzle": "0,r0c0r0c1|8,r0c7r0c8|0,r1c0r1c1r2c0r2c1|0,r0c2r1c2|6,r0c3r1c3|0,r0c4r1c4|0,r0c5r1c5|0,r0c6r1c6|0,r1c7r1c8r2c7r2c8|11,r3c0r3c1|0,r2c2r3c2|0,r2c3r3c3|0,r2c4r3c4|0,r2c5r3c5|8,r2c6r3c6|7,r3c7r3c8|18,r4c2r4c3r4c4r4c5r4c6|39,r4c0r4c1r5c0r5c1r5c2r5c3r6c2|31,r4c7r4c8r5c5r5c6r5c7r5c8r6c6|8,r6c0r6c1|0,r5c4r6c3r6c4r6c5|13,r6c7r6c8|16,r7c0r8c0|0,r7c1r7c2r8c1|8,r7c3r8c2r8c3|11,r7c4r8c4|9,r7c5r8c5r8c6|0,r7c6r7c7r8c7|13,r7c8r8c8", "solution": "458139762376542981219687354832974516564213897197865423623758149945321678781496235", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25937, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25938, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2023-07-19", "puzzle": "3,r0c3r0c4|16,r0c6r0c7r0c8|16,r0c0r1c0|6,r0c1r1c1|8,r0c2r1c2|12,r0c5r1c5|15,r1c7r1c8r2c7|12,r2c0r2c1|9,r1c3r2c3|21,r1c4r2c4r2c5|13,r1c6r2c6|8,r3c0r3c1|11,r2c2r3c2|12,r3c5r3c6r3c7|3,r2c8r3c8|10,r4c0r4c1r4c2|17,r3c3r4c3|15,r3c4r4c4r5c4|5,r4c5r5c5|20,r4c6r4c7r4c8|14,r5c0r6c0|14,r5c1r5c2r5c3|10,r5c6r6c6|10,r5c7r5c8|12,r6c2r7c2|15,r6c3r6c4r7c4|7,r6c5r7c5|8,r6c7r6c8|14,r6c1r7c0r7c1|12,r7c3r8c3|7,r7c6r8c6|11,r7c7r8c7|17,r7c8r8c8|11,r8c0r8c1r8c2|11,r8c4r8c5", "solution": "756218934912374685483695721538967142271843596649152873895436217327581469164729358", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25938, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25940, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2023-07-19", "puzzle": "22,r0c3r0c4r1c3r1c4r2c4|20,r0c5r0c6r1c5|20,r0c0r1c0r1c1|21,r0c7r0c8r1c7r1c8r2c7|13,r2c0r2c1r3c0|20,r0c1r0c2r1c2r2c2|14,r1c6r2c5r2c6|7,r3c1r3c2|24,r2c3r3c3r4c3r5c3r6c3|17,r2c8r3c8r4c8r5c8r6c8|11,r4c0r4c1r4c2|30,r3c4r3c5r4c4r4c5r5c4r5c5|12,r5c1r5c2|36,r3c6r3c7r4c6r4c7r5c6r5c7|15,r5c0r6c0r6c1|18,r6c2r7c2r8c1r8c2|21,r6c5r6c6r7c6|19,r7c0r7c1r8c0|28,r6c7r7c7r7c8r8c7r8c8|28,r6c4r7c3r7c4r8c3r8c4|9,r7c5r8c5r8c6", "solution": "523967814698415237147823965816734592452689371739251486265198743971342658384576129", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25940, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25939, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2023-07-19", "puzzle": "22,r0c0r0c1r1c0r1c1|9,r0c5r0c6|10,r0c7r0c8|9,r0c2r1c2|7,r0c3r1c3|13,r0c4r1c4|6,r1c5r1c6|9,r2c0r2c1|18,r2c2r2c3r2c4r3c2r4c2|19,r1c7r2c6r2c7|10,r1c8r2c8|12,r3c0r3c1|20,r3c3r3c4r4c3|18,r2c5r3c5r3c6|27,r3c7r3c8r4c6r4c7r4c8|8,r4c0r4c1|9,r4c4r4c5r5c4|16,r5c7r5c8r6c8|11,r5c0r6c0|16,r5c1r6c1|14,r5c2r5c3r6c3|30,r5c5r5c6r6c5r6c6r6c7r7c6|21,r6c2r7c1r7c2|12,r7c7r7c8r8c7r8c8|3,r7c0r8c0|7,r8c1r8c2|28,r6c4r7c3r7c4r8c3r8c4|21,r7c5r8c5r8c6", "solution": "926548137743291568815376492482759316351862749679413285598124673167935824234687951", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25939, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25941, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2023-07-19", "puzzle": "15,r0c2r0c3|5,r0c5r0c6|14,r0c7r0c8r1c8|33,r0c0r0c1r1c0r1c1r1c2r2c1r2c2|5,r0c4r1c4|21,r1c5r1c6r1c7|23,r1c3r2c3r3c1r3c2r3c3|7,r2c5r2c6|9,r2c7r2c8|0,r2c0r3c0|0,r2c4r3c4|21,r3c6r3c7r4c6r4c7|14,r4c0r4c1|11,r4c2r4c3|29,r3c5r4c4r4c5r5c3r5c4|7,r3c8r4c8r5c8|0,r5c0r6c0|0,r5c1r6c1r7c1|9,r5c2r6c2|20,r5c5r5c6r6c5|0,r5c7r6c6r6c7r7c5r7c6r7c7|23,r6c3r6c4r7c3r7c4|0,r6c8r7c8r8c6r8c7r8c8|0,r7c0r8c0r8c1|0,r7c2r8c2|7,r8c3r8c4r8c5", "solution": "698721435721534986435896127572189364869243571143675892916357248254968713387412659", "extra": "{\"grid_size\": 9, \"puzzle_number\": 25941, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 25942, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2023-07-19", "puzzle": 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"14,r0c2r0c3|19,r0c5r0c6r1c6|13,r0c0r0c1r1c0|16,r1c1r1c2r1c3|13,r0c4r1c4|6,r0c7r1c7|7,r0c8r1c8|13,r2c0r2c1|10,r2c3r2c4|11,r1c5r2c5r2c6|11,r2c7r2c8|21,r3c0r3c1r4c0|10,r2c2r3c2|10,r3c3r3c4r4c4|13,r3c6r3c7r3c8|7,r4c1r4c2r4c3|15,r3c5r4c5r4c6|10,r4c7r5c7|7,r5c1r5c2|24,r5c3r5c4r5c5|21,r4c8r5c8r6c8|12,r6c1r6c2r7c1|13,r6c3r6c4r7c3|10,r5c6r6c6r6c7|16,r5c0r6c0r7c0|11,r7c2r8c2|15,r6c5r7c5|10,r7c6r7c7r7c8|12,r8c0r8c1|12,r7c4r8c3r8c4|11,r8c5r8c6|12,r8c7r8c8", "solution": "489563721135872946762914538978251463521436897643789215256348179814697352397125684", "extra": "{\"grid_size\": 9, \"puzzle_number\": 26063, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 26064, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2023-08-13", "puzzle": 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"15,r0c1r0c2|14,r0c7r0c8r1c7r1c8|7,r0c3r1c3|28,r0c4r0c5r0c6r1c4|16,r1c1r1c2r2c1r3c1|39,r1c5r1c6r2c5r2c6r2c7r3c6r3c7|15,r0c0r1c0r2c0r3c0|6,r2c2r3c2|11,r2c3r3c3|22,r2c4r3c4r3c5r4c5r4c6|31,r4c0r4c1r4c2r5c0r5c1|23,r4c3r4c4r5c3r5c4|21,r2c8r3c8r4c7r4c8|3,r5c5r5c6|12,r5c7r5c8|6,r6c0r6c1|19,r5c2r6c2r6c3|5,r6c5r6c6|14,r6c8r7c8|10,r7c2r8c2|19,r6c4r7c3r7c4r8c3r8c4|23,r6c7r7c5r7c6r7c7|25,r7c0r7c1r8c0r8c1|21,r8c5r8c6r8c7r8c8", "solution": "269387415173495862845621937421538679986714523357962184514873296792146358638259741", "extra": "{\"grid_size\": 9, \"puzzle_number\": 26436, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 26437, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2023-10-26", "puzzle": 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"8,r0c2r0c3|5,r0c5r0c6|8,r0c0r1c0|14,r0c1r1c1|27,r0c4r1c3r1c4r1c5|11,r0c7r1c7|7,r0c8r1c8|17,r1c2r2c1r2c2r3c1|26,r1c6r2c6r2c7r3c7|36,r2c0r3c0r4c0r4c1r5c0r6c0|13,r2c3r3c3|6,r2c4r3c4|9,r2c5r3c5|33,r2c8r3c8r4c7r4c8r5c8r6c8|4,r3c2r4c2|9,r4c3r4c4r4c5|9,r3c6r4c6|13,r5c1r5c2|4,r5c6r5c7|23,r5c3r6c1r6c2r6c3r7c1|9,r5c4r6c4|27,r5c5r6c5r6c6r6c7r7c7|21,r7c0r7c2r8c0r8c1r8c2|35,r7c3r7c4r7c5r8c3r8c4r8c5|31,r7c6r7c8r8c6r8c7r8c8", "solution": "796284153158937264234516897921853476473162589685479312869325741317648925542791638", "extra": "{\"grid_size\": 9, \"puzzle_number\": 26451, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 26453, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2023-10-29", "puzzle": 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"18,r0c0r0c1r0c2|13,r0c6r0c7r0c8|18,r1c0r1c1r2c0r3c0|9,r0c3r1c3r2c3|13,r0c4r1c4|14,r0c5r1c5r1c6|25,r1c2r2c1r2c2r3c1|18,r2c4r2c5r2c6|19,r1c7r1c8r2c7|15,r3c2r3c3r3c4|11,r3c7r4c7r5c7|20,r2c8r3c8r4c8r5c8r6c8|9,r4c0r4c1r4c2|6,r4c3r4c4|14,r3c5r4c5r5c5|20,r3c6r4c6r5c6|16,r5c2r5c3r5c4|30,r5c1r6c1r6c2r7c2|9,r6c4r6c5r6c6|12,r6c7r7c7r7c8|21,r5c0r6c0r7c0r7c1|17,r6c3r7c3r8c3|11,r7c4r8c4|16,r7c5r7c6r8c5|8,r8c0r8c1r8c2|23,r8c6r8c7r8c8", "solution": "918374256457162893263589174792856431135247968684931725879613542526498317341725689", "extra": "{\"grid_size\": 9, \"puzzle_number\": 26619, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 26620, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2023-12-02", "puzzle": 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"14,r0c0r0c1r0c2|9,r0c6r0c7|9,r0c3r0c4r1c3|14,r0c5r1c5|12,r1c6r1c7|13,r0c8r1c8|11,r1c0r2c0|16,r1c1r1c2r2c1|11,r2c2r2c3|15,r1c4r2c4r2c5|9,r3c0r3c1|17,r3c2r3c3r4c2|11,r3c4r3c5|9,r2c6r3c6|14,r2c7r3c7|4,r2c8r3c8|13,r4c0r4c1|8,r4c3r4c4r4c5|7,r4c7r4c8|10,r5c0r6c0|9,r5c1r6c1|8,r5c2r6c2|13,r5c3r5c4|19,r4c6r5c5r5c6|10,r5c7r5c8|20,r6c3r6c4r7c4|7,r6c5r6c6|20,r6c7r7c6r7c7|10,r6c8r7c8|6,r7c0r8c0|10,r7c1r7c2|9,r7c3r8c3|13,r7c5r8c4r8c5|14,r8c1r8c2|11,r8c6r8c7r8c8", "solution": "725436819361298574894751263543629781678314925912587346186973452237145698459862137", "extra": "{\"grid_size\": 9, \"puzzle_number\": 26908, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 26906, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2024-01-26", "puzzle": 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"28,r0c1r0c2r0c3r0c4r1c3|20,r0c5r0c6r1c5r1c6|7,r0c0r1c0|12,r1c1r1c2|9,r0c7r1c7|11,r0c8r1c8|17,r2c0r2c1r3c0|17,r1c4r2c3r2c4r2c5|13,r2c2r3c2|4,r3c3r3c4|16,r2c6r3c5r3c6|11,r2c7r2c8r3c7|30,r3c1r4c0r4c1r4c2r5c1|16,r4c3r4c4|8,r4c5r4c6r4c7|21,r3c8r4c8r5c8|4,r5c2r6c2|7,r5c3r5c4|19,r5c5r5c6r6c6|15,r5c7r6c7r6c8|17,r5c0r6c0r6c1|18,r6c3r6c4r6c5r7c4|8,r7c0r8c0|12,r7c1r7c2|16,r7c7r8c7|4,r7c8r8c8|25,r7c3r8c1r8c2r8c3r8c4|20,r7c5r7c6r8c5r8c6", "solution": "316495782457832619829167354794318526562974138183526947971283465648751293235649871", "extra": "{\"grid_size\": 9, \"puzzle_number\": 26909, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 26910, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2024-01-27", "puzzle": 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"0,r0c0r0c1r1c0|0,r0c3r0c4|7,r0c5r0c6|0,r0c2r1c1r1c2r2c0r2c1|0,r1c5r1c6r2c5|5,r0c7r1c7|16,r0c8r1c8|14,r1c3r1c4r2c4|18,r2c6r2c7r2c8|11,r2c2r2c3r3c2r3c3|0,r3c4r3c5|0,r3c0r4c0|17,r3c1r4c1r4c2|0,r4c4r4c5r5c4r5c5|14,r3c6r4c6|10,r3c7r4c7|7,r3c8r4c8|11,r4c3r5c3|0,r5c7r5c8|6,r5c0r6c0|0,r5c1r5c2r6c1|0,r6c3r6c4|26,r5c6r6c5r6c6r6c7r7c6|0,r7c0r7c1|17,r6c2r7c2r8c2|14,r7c3r7c4|32,r6c8r7c7r7c8r8c6r8c7r8c8|6,r8c0r8c1|0,r8c3r8c4|7,r7c5r8c5", "solution": "961482537843657129725139468612375894579248613438961752294716385386594271157823946", "extra": "{\"grid_size\": 9, \"puzzle_number\": 28316, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 28315, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2024-10-30", "puzzle": 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"14,r0c0r0c1r1c0r1c1|22,r0c4r0c5r0c6|13,r0c2r0c3r1c2|11,r0c7r1c7|11,r0c8r1c8|17,r2c0r2c1r3c0|19,r1c4r1c5r2c4|9,r1c6r2c6|5,r2c7r2c8|30,r1c3r2c2r2c3r3c1r3c2r3c3|12,r2c5r3c5r3c6|17,r3c7r3c8r4c7|14,r4c1r4c2r5c1|17,r3c4r4c3r4c4|6,r4c5r4c6|20,r4c0r5c0r6c0|19,r5c5r5c6r6c5r6c6|10,r4c8r5c8|17,r6c1r6c2|11,r5c2r5c3r6c3|11,r5c4r6c4|4,r5c7r6c7|10,r7c0r7c1|5,r7c5r7c6|5,r8c0r8c1|6,r7c2r8c2|24,r7c3r7c4r8c3|7,r8c4r8c5|39,r6c8r7c7r7c8r8c6r8c7r8c8", "solution": "173258964428369157956741823394185672517632489862497531789524316641873295235916748", "extra": "{\"grid_size\": 9, \"puzzle_number\": 28318, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 28319, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2024-10-31", "puzzle": "29,r0c2r0c3r0c4r0c5r0c6r1c5|14,r0c0r0c1r1c0|11,r1c3r1c4|12,r1c6r2c6|26,r0c7r0c8r1c7r1c8r2c7|11,r2c4r2c5|13,r3c1r4c1|40,r1c1r1c2r2c1r2c2r2c3r3c2r3c3|14,r3c5r3c6r3c7|10,r2c8r3c8|11,r3c4r4c3r4c4|28,r2c0r3c0r4c0r5c0r5c1r6c0|9,r4c2r5c2|12,r4c5r5c4r5c5|10,r4c6r5c6|23,r4c7r4c8r5c7r5c8r6c8|15,r6c1r6c2|20,r5c3r6c3r7c3|5,r6c4r6c5|20,r7c0r7c1r7c2r8c0r8c1|21,r7c4r7c5r8c4r8c5r8c6|41,r6c6r6c7r7c6r7c7r7c8r8c7r8c8|10,r8c2r8c3", "solution": "712348596654297813389165472147659238896423157523781964978532641435816729261974385", "extra": "{\"grid_size\": 9, \"puzzle_number\": 28319, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 28322, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2024-11-01", "puzzle": 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"24,r0c0r0c1r1c0r1c1r2c0|9,r0c2r0c3|17,r0c5r0c6|22,r0c7r0c8r1c7r1c8r2c8|12,r1c2r1c3|13,r0c4r1c4|6,r1c5r1c6|10,r2c2r2c3|7,r2c5r2c6|12,r2c1r3c1|16,r3c2r3c3r4c3|3,r2c4r3c4|15,r3c5r3c6r4c5|15,r2c7r3c7|11,r3c0r4c0|5,r3c8r4c8|11,r4c1r5c1|12,r4c4r5c4|9,r4c7r5c7|10,r5c0r6c0|11,r4c2r5c2r6c2|35,r5c3r5c5r6c3r6c4r6c5|11,r4c6r5c6r6c6|12,r5c8r6c8|12,r6c1r7c1|18,r7c2r7c3r7c4r7c5r7c6|7,r6c7r7c7|17,r7c0r8c0r8c1r8c2|15,r8c3r8c4r8c5|28,r7c8r8c6r8c7r8c8", "solution": "234568971869371524571924368458613792796285413123749685942856137685137249317492856", "extra": "{\"grid_size\": 9, \"puzzle_number\": 28431, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 28432, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2024-11-22", "puzzle": "18,r0c3r0c4r0c5|29,r0c6r0c7r0c8r1c7r1c8r2c8|16,r0c0r0c1r1c0r1c1|8,r0c2r1c2|13,r1c4r1c5r1c6|14,r2c0r2c1|12,r1c3r2c3|16,r2c2r3c2|25,r2c4r3c4r4c4r4c5r4c6|15,r2c5r2c6r3c5r3c6|14,r2c7r3c7r4c7|15,r3c0r4c0|7,r3c1r4c1|4,r3c3r4c3|20,r3c8r4c8r5c8|17,r5c4r5c5|11,r5c6r5c7|13,r5c0r5c1r6c0|9,r6c1r6c2r7c2|22,r4c2r5c2r5c3r6c3r6c4|7,r6c5r6c6|12,r6c7r6c8|19,r7c0r7c1r8c0r8c1|9,r7c4r7c5|11,r7c6r8c6|19,r7c3r8c2r8c3|13,r8c4r8c5|17,r7c7r7c8r8c7r8c8", "solution": "245963781193827465687415392859376124726154839314298657961732548432581976578649213", "extra": "{\"grid_size\": 9, \"puzzle_number\": 28432, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 28433, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2024-11-22", "puzzle": 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"15,r0c0r0c1r1c0|13,r0c2r0c3|16,r0c5r0c6r0c7r1c7|9,r0c4r1c4r1c5|16,r0c8r1c8|7,r1c1r2c1|16,r1c2r1c3r2c2|11,r2c3r2c4|15,r1c6r2c6r3c6|9,r2c7r2c8|19,r3c1r3c2r3c3|13,r2c5r3c5|11,r4c1r4c2|18,r3c4r4c3r4c4r5c4|6,r4c5r4c6|21,r2c0r3c0r4c0r5c0r6c0|15,r5c1r5c2r5c3|12,r5c5r6c5|31,r3c7r3c8r4c7r4c8r5c7r5c8|7,r6c1r7c1|14,r6c2r7c2r7c3|11,r6c3r6c4|22,r5c6r6c6r7c6|10,r6c7r6c8|15,r7c4r7c5r8c4|6,r7c8r8c8|19,r7c0r8c0r8c1|9,r8c2r8c3|19,r7c7r8c5r8c6r8c7", "solution": "436758129829613457751924863547869312683271594192435678215387946968142735374596281", "extra": "{\"grid_size\": 9, \"puzzle_number\": 28513, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 28514, "game_type": "killer_sudoku_gt", "difficulty": "6", "puzzle_date": "2024-12-08", "puzzle": 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"8,r0c5r0c6|13,r0c0r1c0|8,r0c1r1c1|10,r0c2r1c2|20,r0c3r0c4r1c3|13,r1c4r1c5r1c6|5,r0c7r1c7|13,r0c8r1c8|11,r2c0r2c1|12,r2c2r2c3r2c4|13,r2c5r2c6r2c7|8,r3c0r3c1|10,r3c4r3c5|8,r3c6r3c7|21,r2c8r3c8r4c8|8,r4c0r4c1|12,r3c2r3c3r4c2|15,r4c3r4c4r5c3|21,r4c5r4c6r4c7|16,r5c1r5c2|9,r5c5r5c6|6,r5c7r5c8|15,r5c0r6c0|13,r6c1r6c2|5,r5c4r6c4|15,r6c5r6c6r6c7|15,r7c0r7c1r7c2|7,r6c3r7c3|17,r7c4r7c5r7c6|4,r8c0r8c1|14,r8c2r8c3|14,r8c4r8c5|20,r7c7r8c6r8c7|6,r6c8r7c8r8c8", "solution": "418963527972518436563274189354791268621385974897426315749632851285147693136859742", "extra": "{\"grid_size\": 9, \"puzzle_number\": 28725, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 28726, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2025-01-19", "puzzle": 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"16,r0c1r0c2r0c3|9,r0c0r1c0|22,r0c4r1c3r1c4r2c3|17,r0c5r1c5r2c5r3c5r3c6|21,r0c6r0c7r0c8r1c6r2c6|14,r1c7r1c8|27,r1c1r2c1r3c1r4c1r5c1r6c1|6,r1c2r2c2r3c2|29,r2c0r3c0r4c0r5c0r6c0|15,r2c4r3c4|36,r3c3r4c2r4c3r4c4r4c5r4c6r5c5|8,r5c4r6c4|24,r2c8r3c8r4c8r5c8r6c8|17,r5c6r6c6r7c6|29,r2c7r3c7r4c7r5c7r6c7r7c7|11,r7c0r7c1|31,r6c2r7c2r8c0r8c1r8c2|20,r5c2r5c3r6c3r7c3r8c3|30,r6c5r7c4r7c5r8c4|11,r7c8r8c8|12,r8c5r8c6r8c7", "solution": "867341592193725468542986173681472359925613847734859621216537984479168235358294716", "extra": "{\"grid_size\": 9, \"puzzle_number\": 28938, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 28935, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2025-02-28", "puzzle": 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"0,r0c0r0c1r1c0|14,r0c3r0c4r0c5|0,r0c7r0c8r1c8|6,r0c2r1c1r1c2|0,r0c6r1c6r1c7|0,r2c1r2c2|7,r1c3r2c3|0,r1c4r2c4|0,r1c5r2c5|11,r2c6r2c7|0,r2c0r3c0r3c1|0,r3c2r3c3|11,r3c5r3c6|0,r2c8r3c7r3c8|7,r4c0r4c1|17,r4c2r4c3|11,r3c4r4c4|4,r4c5r4c6|0,r4c7r4c8|15,r5c4r6c4|31,r5c0r5c1r5c2r6c0r7c0|0,r5c3r6c2r6c3|12,r5c5r6c5r6c6|0,r5c6r5c7r5c8r6c8r7c8|0,r6c1r7c1|0,r7c2r7c3|7,r7c5r7c6|7,r6c7r7c7|10,r8c0r8c1|0,r8c2r8c3|3,r7c4r8c4|11,r8c5r8c6|0,r8c7r8c8", "solution": "461257893532689714987134652346572981258941367719368425825793146674815239193426578", "extra": "{\"grid_size\": 9, \"puzzle_number\": 28940, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 28941, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2025-03-02", "puzzle": 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"19,r0c1r0c2r0c3|15,r0c4r0c5|28,r0c7r0c8r1c7r1c8r2c8r3c8|8,r0c0r1c0|13,r1c1r1c2r2c2|16,r1c4r1c5r2c5|6,r0c6r1c6|12,r2c0r2c1|7,r1c3r2c3r2c4|14,r3c2r3c3|14,r2c6r2c7r3c6|7,r3c0r4c0|13,r3c1r4c1r5c1|10,r4c2r4c3|28,r3c4r3c5r4c4r5c3r5c4|10,r4c5r4c6|14,r3c7r4c7r5c7|11,r4c8r5c8|8,r5c2r6c1r6c2|15,r5c5r5c6|9,r6c4r6c5r7c5|16,r6c7r6c8|12,r7c2r8c2|22,r6c3r7c3r7c4|10,r6c6r7c6r7c7|12,r7c8r8c8|35,r5c0r6c0r7c0r7c1r8c0r8c1|11,r8c3r8c4|10,r8c5r8c6r8c7", "solution": "184769253726135489395248761538694172267381945941527836452816397873952614619473528", "extra": "{\"grid_size\": 9, \"puzzle_number\": 28951, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 28952, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2025-03-04", "puzzle": 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"14,r0c0r0c1|5,r0c2r0c3|13,r0c6r0c7r1c6|10,r1c0r1c1|14,r0c4r1c3r1c4|10,r0c5r1c5|20,r0c8r1c8r2c8|10,r2c0r2c1|13,r1c2r2c2r3c2|8,r2c3r2c4|12,r2c5r2c6|9,r1c7r2c7|6,r3c3r3c4|15,r3c5r3c6r3c7|12,r3c8r4c8|15,r3c0r4c0r5c0|16,r3c1r4c1r5c1|17,r4c2r5c2r6c2|4,r4c5r4c6|15,r4c3r5c3|10,r4c4r5c4|9,r5c5r5c6|16,r4c7r5c7|16,r6c1r7c1r7c2|14,r6c6r6c7|12,r5c8r6c8r7c8|8,r6c0r7c0|5,r6c3r7c3|14,r6c4r6c5r7c4|6,r8c0r8c1|17,r8c2r8c3|18,r7c5r8c4r8c5|18,r7c6r7c7r8c6|4,r8c7r8c8", "solution": "951438726378562419642719385893157264564923178217684593786341952135296847429875631", "extra": "{\"grid_size\": 9, \"puzzle_number\": 29314, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 29315, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2025-05-15", "puzzle": 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"13,r0c0r0c1r0c2|7,r0c7r0c8|11,r1c0r1c1|17,r0c3r1c3|17,r0c4r0c5r1c4|10,r0c6r1c6|16,r1c7r1c8r2c7|9,r2c0r2c1|9,r1c5r2c5r2c6|17,r2c8r3c8r4c8|8,r3c0r3c1|18,r1c2r2c2r3c2|10,r2c3r2c4r3c3|17,r3c4r3c5|5,r3c6r3c7|11,r4c1r4c2|18,r4c3r4c4r4c5|9,r4c6r4c7|12,r5c1r5c2|5,r5c3r5c4|10,r5c5r6c4r6c5|23,r5c6r6c6r7c6|13,r5c7r5c8|9,r4c0r5c0r6c0|12,r6c2r6c3r7c3|11,r6c7r6c8|14,r6c1r7c0r7c1|12,r7c2r8c2|18,r7c4r8c3r8c4|14,r7c5r8c5|11,r7c7r7c8|10,r8c0r8c1|9,r8c6r8c7r8c8", "solution": "841967352925843761637512498716489235392675184584231976178354629253196847469728513", "extra": "{\"grid_size\": 9, \"puzzle_number\": 29427, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 29426, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2025-06-05", "puzzle": "13,r0c0r0c1r0c2|7,r0c7r0c8|11,r1c0r1c1|17,r0c3r1c3|17,r0c4r0c5r1c4|10,r0c6r1c6|16,r1c7r1c8r2c7|9,r2c0r2c1|9,r1c5r2c5r2c6|17,r2c8r3c8r4c8|8,r3c0r3c1|18,r1c2r2c2r3c2|10,r2c3r2c4r3c3|17,r3c4r3c5|5,r3c6r3c7|11,r4c1r4c2|18,r4c3r4c4r4c5|9,r4c6r4c7|12,r5c1r5c2|5,r5c3r5c4|10,r5c5r6c4r6c5|23,r5c6r6c6r7c6|13,r5c7r5c8|9,r4c0r5c0r6c0|12,r6c2r6c3r7c3|11,r6c7r6c8|14,r6c1r7c0r7c1|12,r7c2r8c2|18,r7c4r8c3r8c4|14,r7c5r8c5|11,r7c7r7c8|10,r8c0r8c1|9,r8c6r8c7r8c8", "solution": "841967352925843761637512498716489235392675184584231976178354629253196847469728513", "extra": "{\"grid_size\": 9, \"puzzle_number\": 29426, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 29429, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2025-06-05", "puzzle": 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"13,r0c0r0c1r0c2|7,r0c7r0c8|11,r1c0r1c1|17,r0c3r1c3|17,r0c4r0c5r1c4|10,r0c6r1c6|16,r1c7r1c8r2c7|9,r2c0r2c1|9,r1c5r2c5r2c6|17,r2c8r3c8r4c8|8,r3c0r3c1|18,r1c2r2c2r3c2|10,r2c3r2c4r3c3|17,r3c4r3c5|5,r3c6r3c7|11,r4c1r4c2|18,r4c3r4c4r4c5|9,r4c6r4c7|12,r5c1r5c2|5,r5c3r5c4|10,r5c5r6c4r6c5|23,r5c6r6c6r7c6|13,r5c7r5c8|9,r4c0r5c0r6c0|12,r6c2r6c3r7c3|11,r6c7r6c8|14,r6c1r7c0r7c1|12,r7c2r8c2|18,r7c4r8c3r8c4|14,r7c5r8c5|11,r7c7r7c8|10,r8c0r8c1|9,r8c6r8c7r8c8", "solution": "841967352925843761637512498716489235392675184584231976178354629253196847469728513", "extra": "{\"grid_size\": 9, \"puzzle_number\": 29428, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 29430, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2025-06-05", "puzzle": "26,r0c0r0c1r1c0r2c0r2c1|27,r0c2r0c3r0c4r0c5r0c6|30,r0c7r0c8r1c8r2c7r2c8|15,r1c1r1c2r2c2|14,r1c6r1c7r2c6|20,r1c3r2c3r3c3r4c3|9,r1c4r2c4|14,r1c5r2c5r3c5r4c5|12,r3c0r3c1r4c1|13,r3c4r4c4|15,r3c7r3c8r4c7|17,r4c0r5c0r5c1|10,r4c8r5c7r5c8|11,r6c0r6c1|23,r3c2r4c2r5c2r6c2|5,r5c3r6c3|7,r5c4r6c4|15,r5c5r6c5|24,r3c6r4c6r5c6r6c6|8,r6c7r6c8|9,r7c0r7c1|16,r7c7r7c8|10,r8c0r8c1|8,r7c2r8c2|30,r7c3r7c4r7c5r8c3r8c4r8c5|8,r7c6r8c6|9,r8c7r8c8", "solution": "234895167859671324671324985716983542348256791592417836927168453183542679465739218", "extra": "{\"grid_size\": 9, \"puzzle_number\": 29430, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 29431, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2025-06-05", "puzzle": "26,r0c0r0c1r1c0r2c0r2c1|27,r0c2r0c3r0c4r0c5r0c6|30,r0c7r0c8r1c8r2c7r2c8|15,r1c1r1c2r2c2|14,r1c6r1c7r2c6|20,r1c3r2c3r3c3r4c3|9,r1c4r2c4|14,r1c5r2c5r3c5r4c5|12,r3c0r3c1r4c1|13,r3c4r4c4|15,r3c7r3c8r4c7|17,r4c0r5c0r5c1|10,r4c8r5c7r5c8|11,r6c0r6c1|23,r3c2r4c2r5c2r6c2|5,r5c3r6c3|7,r5c4r6c4|15,r5c5r6c5|24,r3c6r4c6r5c6r6c6|8,r6c7r6c8|9,r7c0r7c1|16,r7c7r7c8|10,r8c0r8c1|8,r7c2r8c2|30,r7c3r7c4r7c5r8c3r8c4r8c5|8,r7c6r8c6|9,r8c7r8c8", "solution": "234895167859671324671324985716983542348256791592417836927168453183542679465739218", "extra": "{\"grid_size\": 9, \"puzzle_number\": 29431, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 29432, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2025-06-05", "puzzle": 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"14,r0c1r0c2r0c3|15,r0c4r0c5|13,r0c0r1c0|5,r1c2r1c3|22,r0c6r1c6r2c6|9,r0c7r1c7r2c7|8,r0c8r1c8|16,r1c1r2c0r2c1|10,r2c2r2c3|10,r1c4r1c5r2c4|13,r3c0r3c1|10,r3c2r3c3|14,r3c7r4c7|15,r4c0r5c0r6c0|5,r4c2r5c2|22,r4c3r5c3r6c3|19,r3c4r4c4r5c4|10,r2c5r3c5r4c5|13,r3c6r4c6|16,r2c8r3c8r4c8|7,r4c1r5c1|8,r5c5r5c6|5,r5c7r5c8|11,r6c4r7c3r7c4|5,r6c5r6c6|20,r6c7r6c8r7c7|5,r7c0r8c0|19,r6c1r7c1r8c1|19,r6c2r7c2r8c2|12,r7c5r7c6|12,r7c8r8c8|6,r8c3r8c4|17,r8c5r8c6r8c7", "solution": "724896531681453927359127846947381652513642798862975314296734185135268479478519263", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30052, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30053, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2025-08-07", "puzzle": 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"6,r0c1r0c2|6,r0c3r0c4|14,r0c6r0c7r1c6|14,r0c0r1c0|19,r1c1r1c2r2c1|12,r1c3r1c4r2c3|17,r0c5r1c5|30,r0c8r1c7r1c8r2c7r2c8|11,r2c4r2c5r2c6|7,r2c0r3c0r3c1|9,r2c2r3c2|23,r3c3r3c4r3c5|12,r3c6r3c7r3c8|5,r4c0r4c1|27,r4c2r4c3r4c4r4c5r4c6|13,r4c7r4c8|24,r5c0r5c1r5c2|9,r5c3r5c4r5c5|11,r5c6r6c6|15,r5c7r5c8r6c8|14,r6c2r6c3r6c4|25,r6c0r6c1r7c0r7c1r8c0|7,r7c3r8c3|16,r6c5r7c4r7c5|9,r6c7r7c6r7c7|11,r7c8r8c8|18,r7c2r8c1r8c2|10,r8c4r8c5|11,r8c6r8c7", "solution": "851429736673158492294673185415896273326715849789342561542937618967281354138564927", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30054, \"original_difficulty\": 9}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30055, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2025-08-07", "puzzle": "23,r0c1r0c2r0c3r1c2r1c3|9,r0c4r0c5|0,r0c0r1c0r1c1r2c1r2c2|12,r1c4r1c5|0,r0c6r0c7r1c6|0,r0c8r1c8r2c8|7,r2c3r2c4|21,r1c7r2c6r2c7r3c6|0,r2c0r3c0|0,r3c1r3c2r3c3r4c2|9,r2c5r3c5r4c5|14,r4c0r5c0|11,r4c1r5c1|21,r3c4r4c4r5c4|0,r3c7r4c7|7,r3c8r4c8|0,r4c3r5c3r6c3|19,r4c6r5c5r5c6r5c7|17,r5c8r6c8|0,r5c2r6c1r6c2r7c1|6,r6c4r6c5|8,r6c0r7c0r8c0|0,r7c2r8c1r8c2|9,r7c3r7c4|29,r6c6r6c7r7c7r7c8r8c8|15,r8c3r8c4|22,r7c5r7c6r8c5r8c6r8c7", "solution": "253918467694257831718436925836592714942781653571643289369124578487365192125879346", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30055, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30058, "game_type": "killer_sudoku", "difficulty": "8", "puzzle_date": "2025-08-08", "puzzle": "23,r0c0r0c1r1c0r2c0|18,r0c2r0c3r0c4|14,r0c5r0c6|14,r1c1r1c2r2c1r2c2|15,r1c3r1c4|9,r1c5r1c6|19,r0c7r0c8r1c7r1c8r2c8|14,r2c3r2c4r2c5r3c5|18,r2c6r2c7r3c6|10,r3c2r3c3|15,r3c4r4c4r5c4|22,r4c1r4c2r4c3|7,r4c5r4c6|15,r3c7r4c7r5c7|16,r3c8r4c8r5c8|20,r3c0r3c1r4c0r5c0r5c1|11,r5c2r5c3|14,r5c5r6c3r6c4r6c5|11,r5c6r6c6r6c7|21,r6c1r6c2r7c1r7c2|9,r7c3r7c4|16,r7c5r7c6|30,r6c8r7c7r7c8r8c7r8c8|20,r6c0r7c0r8c0r8c1|16,r8c2r8c3r8c4|8,r8c5r8c6", "solution": "378469521921875463456312897263798145789541632145623789897254316632187954514936278", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30058, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30057, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2025-08-08", "puzzle": 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"29,r0c5r0c6r0c7r0c8r1c6r1c7r1c8|21,r0c0r0c1r1c0r1c1|26,r0c2r0c3r0c4r1c2r2c2|23,r1c3r1c4r1c5r2c3|18,r2c0r2c1r3c0r4c0|9,r2c5r2c6|19,r2c7r2c8r3c8|31,r3c1r3c2r3c3r4c1r4c2|7,r2c4r3c4|27,r3c5r4c3r4c4r4c5r5c3|11,r3c6r3c7|10,r5c1r5c2|9,r5c4r6c4|32,r4c6r4c7r5c5r5c6r5c7|11,r5c0r6c0r6c1|8,r6c2r6c3|17,r4c8r5c8r6c7r6c8|21,r6c5r7c3r7c4r7c5|27,r6c6r7c6r8c4r8c5r8c6|13,r7c7r7c8r8c7r8c8|36,r7c0r7c1r7c2r8c0r8c1r8c2r8c3", "solution": "289376145746591238531842796172938564958264371364715982627183459813459627495627813", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30550, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30552, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2025-11-14", "puzzle": 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"3,r0c3r0c4|7,r0c5r0c6|11,r0c0r1c0|16,r0c1r1c1|36,r0c2r1c2r2c2r3c2r4c2r5c2|10,r1c4r1c5r1c6|26,r0c7r0c8r1c7r1c8|21,r1c3r2c3r2c4|18,r2c5r2c6r3c6|13,r2c8r3c8|12,r2c0r2c1r3c0|8,r3c1r4c0r4c1|14,r3c4r3c5r4c5|10,r2c7r3c7r4c7|31,r3c3r4c3r4c4r5c3r5c4r5c5|11,r4c8r5c8|7,r5c0r5c1|16,r4c6r5c6r5c7|16,r6c1r6c2r7c1r7c2|27,r6c3r6c4r6c5r6c6r6c7r6c8|7,r7c3r8c3|16,r7c4r7c5r8c4|9,r7c7r7c8|29,r6c0r7c0r8c0r8c1r8c2|24,r7c6r8c5r8c6|7,r8c7r8c8", "solution": "678214359592763184314598627827935416159846273436172598945681732761329845283457961", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30555, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30554, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2025-11-15", "puzzle": 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"5,r0c4r0c5|23,r0c0r0c1r1c0r1c1|22,r0c2r0c3r1c2r1c3|9,r0c6r1c6|34,r0c7r0c8r1c7r1c8r2c7r2c8|19,r2c1r3c1r4c1r4c2|20,r1c4r1c5r2c4|6,r2c5r2c6|6,r2c0r3c0|11,r2c2r2c3r3c2|24,r3c3r3c4r3c5|14,r3c6r3c7r3c8r4c8|14,r4c3r4c4r4c5|25,r4c0r5c0r5c1r5c2|7,r5c3r5c4r5c5|17,r5c6r6c5r6c6|7,r5c8r6c8|10,r6c2r6c3|12,r6c4r7c3r7c4|20,r4c6r4c7r5c7r6c7|32,r6c0r6c1r7c0r7c1r8c0r8c1|7,r7c2r8c2|24,r7c5r7c6r8c5r8c6|26,r7c7r7c8r8c7r8c8|11,r8c3r8c4", "solution": "789123654264895317153764298521978463948536721637241985896457132375612849412389576", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30620, \"original_difficulty\": 6}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30621, "game_type": "killer_sudoku", "difficulty": "10", "puzzle_date": "2025-11-28", "puzzle": 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"20,r0c0r0c1r0c2|4,r0c3r0c4|12,r0c6r0c7|15,r1c0r1c1|9,r1c3r1c4|15,r0c5r1c5r1c6|5,r0c8r1c8|8,r1c2r2c1r2c2|23,r2c3r2c4r2c5|20,r1c7r2c7r3c7|6,r2c0r3c0r4c0|13,r2c6r3c5r3c6|5,r2c8r3c8|12,r3c1r4c1|7,r3c2r4c2|9,r3c3r4c3|20,r3c4r4c4r5c4|10,r4c5r5c5|12,r4c6r5c6|10,r4c7r5c7|11,r5c0r6c0|16,r5c2r5c3r6c2|21,r4c8r5c8r6c8|16,r5c1r6c1r7c1|11,r6c3r6c4r6c5|13,r6c6r6c7r7c6|11,r7c0r8c0|15,r7c2r7c3r8c3|14,r7c4r7c5|9,r7c7r7c8|11,r8c1r8c2|8,r8c4r8c5|14,r8c6r8c7r8c8", "solution": "956317842871542693234968751382795164145236987697184325518623479763459218429871536", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30744, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30745, "game_type": "killer_sudoku", "difficulty": "5", "puzzle_date": "2025-12-23", "puzzle": 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"16,r0c2r0c3|14,r0c7r0c8r1c7r1c8|8,r0c0r1c0|14,r0c1r1c1|14,r1c2r1c3|16,r0c4r0c5r0c6r1c4|23,r2c2r3c2r3c3r4c3|9,r2c3r2c4|8,r1c5r2c5|22,r1c6r2c6r2c7|4,r2c0r3c0|17,r2c1r3c1r4c1r4c2|7,r3c6r3c7|21,r3c4r3c5r4c4r4c5|14,r4c6r5c6|19,r2c8r3c8r4c7r4c8|17,r4c0r5c0r5c1|10,r5c2r5c3r6c3|6,r5c7r6c7|12,r5c8r6c8|45,r6c0r6c1r6c2r7c0r7c1r7c2r8c0r8c1r8c2|22,r5c4r5c5r6c5r6c6|20,r6c4r7c4r7c5r7c6|17,r7c7r7c8|12,r7c3r8c3r8c4|9,r8c5r8c6|9,r8c7r8c8", "solution": "657984312298613574134725986346897251782541639915236847871369425463152798529478163", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30832, \"original_difficulty\": 5}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30830, "game_type": "killer_sudoku_gt", "difficulty": "9", "puzzle_date": "2026-01-08", "puzzle": 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"9,r0c0r0c1|32,r0c3r0c4r0c5r1c4r2c4r3c4|10,r0c7r0c8|0,r1c0r1c1|0,r0c2r1c2r1c3r2c2r2c3|0,r0c6r1c5r1c6r2c5r2c6|5,r1c7r1c8|14,r2c0r3c0|10,r2c1r3c1|7,r3c2r3c3|7,r3c5r3c6|12,r2c7r3c7|13,r2c8r3c8|13,r4c0r4c1|15,r4c3r4c4r4c5|0,r4c7r4c8|5,r5c0r5c1|0,r4c2r5c2r5c3r6c3|0,r4c6r5c5r5c6r6c5|14,r5c7r5c8|6,r6c0r7c0r8c0|0,r6c1r7c1|0,r6c2r7c2|13,r5c4r6c4r7c4|0,r6c6r7c6|10,r6c7r7c7|14,r6c8r7c8r8c8|15,r8c1r8c2|27,r7c3r7c5r8c3r8c4r8c5|0,r8c6r8c7", "solution": "632478519794561823581329746926153487857294361413687295369845172245716938178932654", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30919, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30921, "game_type": "killer_sudoku", "difficulty": "2", "puzzle_date": "2026-01-27", "puzzle": "13,r0c2r0c3|4,r0c5r0c6|19,r0c0r1c0r2c0|9,r0c1r1c1|15,r1c2r1c3r2c2|3,r0c4r1c4|10,r1c6r2c6|7,r0c7r1c7|14,r0c8r1c8|7,r2c3r3c3|20,r1c5r2c4r2c5|10,r2c1r3c0r3c1|19,r3c2r4c1r4c2|20,r2c7r3c6r3c7|15,r2c8r3c8r4c8|8,r4c3r5c3|21,r3c4r4c4r5c4|8,r3c5r4c5|12,r4c0r5c0r6c0|16,r5c1r5c2r6c1|19,r4c6r4c7r5c6|12,r5c7r5c8r6c7|15,r6c3r6c4r7c3|11,r5c5r6c5|11,r7c0r8c0|11,r7c1r8c1|11,r6c2r7c2|8,r7c4r8c4|15,r6c6r7c5r7c6|10,r7c7r8c7|15,r6c8r7c8r8c8|10,r8c2r8c3|7,r8c5r8c6", "solution": "769423158435918726821675349354186972187392564296547831913764285678259413542831697", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30921, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30922, "game_type": "killer_sudoku", "difficulty": "4", "puzzle_date": "2026-01-27", "puzzle": "12,r0c5r0c6r0c7|17,r0c0r0c1r1c0r1c1|15,r0c2r1c2|12,r0c3r1c3|7,r0c4r1c4|21,r1c5r1c6r2c5|16,r0c8r1c8r2c8|11,r2c0r2c1|20,r2c2r2c3r2c4r3c2r4c2|4,r1c7r2c7|9,r3c0r3c1|10,r2c6r3c6|14,r3c7r3c8|14,r4c0r4c1|24,r3c3r3c4r3c5r4c3r5c3|13,r4c7r4c8|21,r4c4r4c5r5c4r5c5|15,r4c6r5c6r5c7|17,r5c0r6c0r7c0|6,r5c1r5c2r6c1|10,r6c2r6c3|20,r6c4r6c5r7c5|18,r6c6r6c7r7c6|10,r5c8r6c8|14,r7c1r7c2|18,r8c0r8c1r8c2|6,r7c3r8c3|11,r7c4r8c4|7,r8c5r8c6|13,r7c7r7c8r8c7r8c8", "solution": "318954267497326815652817934274593186865172349931648752123765498786439521549281673", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30922, \"original_difficulty\": 4}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30920, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2026-01-26", "puzzle": "16,r0c0r0c1|5,r0c2r0c3|0,r0c5r0c6|0,r0c7r0c8r1c7r1c8|0,r1c0r1c1|9,r0c4r1c4|0,r1c5r1c6|0,r2c0r2c1|7,r1c2r2c2|0,r1c3r2c3r2c4|0,r2c5r2c6r3c6|3,r2c7r3c7|0,r2c8r3c8|10,r3c0r3c1r4c0|15,r3c2r4c2|35,r3c3r3c4r3c5r4c4r4c5r5c5|8,r4c7r4c8|0,r4c1r5c1r5c2|0,r4c3r5c3r5c4|0,r4c6r5c6r5c7|13,r5c8r6c8|12,r5c0r6c0|19,r6c1r6c2r7c1r7c2|15,r6c4r6c5|11,r6c6r6c7|15,r6c3r7c3r7c4|9,r7c5r8c4r8c5|8,r7c6r8c6|11,r7c7r8c7|9,r7c8r8c8|0,r7c0r8c0r8c1|0,r8c2r8c3", "solution": "791432568835961472642857319457389621128746953963215847314578296286194735579623184", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30920, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30923, "game_type": "killer_sudoku", "difficulty": "9", "puzzle_date": "2026-01-27", "puzzle": 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"0,r0c0r0c1r1c0r1c1|12,r0c2r0c3r0c4|10,r0c5r0c6|20,r0c7r0c8r1c7r1c8|11,r1c3r1c4|16,r1c5r1c6|19,r1c2r2c1r2c2|0,r2c4r2c5|9,r2c6r2c7r2c8|17,r2c0r3c0r4c0|16,r2c3r3c2r3c3|8,r3c4r3c5|15,r3c6r3c7r4c6|5,r3c1r4c1|0,r4c4r4c5r5c4|8,r3c8r4c8|0,r4c2r5c2|10,r4c3r5c3|14,r4c7r5c7r5c8|0,r5c0r6c0|0,r5c1r6c1|25,r5c5r5c6r6c5r6c6|10,r6c7r6c8|0,r6c2r7c2r8c2|0,r6c3r6c4r7c3|0,r7c4r7c5r8c5|0,r7c6r8c6|21,r7c0r7c1r8c0r8c1|6,r8c3r8c4|21,r7c7r7c8r8c7r8c8", "solution": "754261938162839754398475126817526493643798215925314867531947682279683541486152379", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30924, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30925, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2026-01-27", "puzzle": "12,r0c2r0c3|15,r0c4r0c5|0,r0c6r0c7r1c7|0,r0c0r0c1r1c0|0,r1c5r1c6|6,r0c8r1c8|0,r1c1r1c2r2c1r2c2|7,r1c3r1c4r2c3|0,r2c4r2c5r3c5|0,r2c6r2c7r2c8r3c8|12,r2c0r3c0|12,r3c1r3c2r4c1|10,r3c6r3c7|34,r3c3r3c4r4c3r4c4r4c5r5c4r5c5|10,r4c6r4c7|0,r4c0r5c0|0,r4c2r5c2r5c3|12,r5c6r5c7|19,r4c8r5c8r6c8|0,r5c1r6c1|7,r6c4r7c4|12,r6c6r6c7r7c6|0,r6c0r7c0r7c1|19,r6c2r7c2r8c2r8c3|0,r6c3r7c3|0,r6c5r7c5|0,r8c0r8c1|16,r8c4r8c5r8c6|0,r7c7r7c8r8c7r8c8", "solution": "285796341679143285314285697951872463867534912423961578142657839738429156596318724", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30925, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30926, "game_type": "killer_sudoku", "difficulty": "3", "puzzle_date": "2026-01-28", "puzzle": "14,r0c3r0c4r0c5r0c6|10,r0c7r0c8|7,r0c0r1c0|11,r0c1r1c1|20,r0c2r1c2r1c3|17,r1c6r1c7|7,r2c1r2c2|12,r1c4r2c4|19,r1c5r2c5r2c6|6,r1c8r2c8|10,r2c0r3c0r4c0|12,r2c3r3c3r3c4|10,r3c5r3c6|17,r2c7r3c7r3c8|27,r3c1r3c2r4c1r4c2|14,r4c3r4c4r4c5|17,r4c6r4c7r5c6r5c7|14,r5c0r5c1r6c1|6,r5c2r5c3|19,r5c4r5c5r6c5|15,r4c8r5c8r6c8|14,r6c0r7c0|15,r6c2r6c3r7c3|7,r6c4r7c4|14,r6c6r6c7|11,r7c1r7c2|12,r7c5r7c6r8c6|6,r7c7r8c7|11,r7c8r8c8|14,r8c0r8c1|17,r8c2r8c3r8c4r8c5", "solution": "498125637325746981716389425173458296289671543654293178932517864547862319861934752", "extra": "{\"grid_size\": 9, \"puzzle_number\": 30926, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 30927, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2026-01-28", "puzzle": 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"3,r0c3r0c4|18,r0c5r0c6r1c6|14,r0c0r0c1r1c0|21,r0c2r1c1r1c2|19,r0c7r0c8r1c7r1c8|23,r2c0r2c1r3c1r4c1|16,r1c3r2c3r3c3|16,r1c4r2c4|14,r2c7r2c8r3c8|4,r2c2r3c2|19,r3c4r3c5r4c4r4c5|29,r1c5r2c5r2c6r3c6r3c7|26,r3c0r4c0r5c0r5c1r5c2|23,r4c2r4c3r5c3r5c4r6c4|11,r4c6r4c7|9,r4c8r5c8|8,r5c5r5c6r5c7|7,r6c5r6c6|18,r6c7r6c8r7c7|24,r6c1r6c2r7c1r7c2|20,r7c4r7c5r7c6r8c6|21,r6c0r7c0r8c0r8c1r8c2|26,r6c3r7c3r8c3r8c4r8c5|16,r7c8r8c7r8c8", "solution": "534128697689375412721694358453762981192583746867941523948236175375819264216457839", "extra": "{\"grid_size\": 9, \"puzzle_number\": 31149, \"original_difficulty\": 10}", "source": "dailykillersudoku.com"}, {"puzzle_number": 31150, "game_type": "killer_sudoku_gt", "difficulty": "10", "puzzle_date": "2026-03-13", "puzzle": 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"22,r0c0r0c1r1c1|12,r0c3r0c4r0c5|10,r0c7r0c8r1c7|29,r0c2r0c6r1c2r1c3r1c4r1c5r1c6|20,r1c0r2c0r2c1r2c2r3c0|22,r2c3r2c4r2c5|31,r1c8r2c6r2c7r2c8r3c8|8,r3c1r3c2|11,r3c6r3c7|7,r4c1r4c2|10,r3c3r4c3|20,r3c4r4c4r5c4r6c4|13,r3c5r4c5|12,r4c6r4c7|7,r4c0r5c0|22,r5c1r5c2r5c3|11,r5c5r5c6r5c7|7,r4c8r5c8|17,r6c2r6c3|8,r6c5r6c6|17,r6c0r6c1r7c0r8c0|16,r7c3r7c4r7c5|19,r6c7r6c8r7c8r8c8|12,r7c1r8c1|7,r7c2r8c2|11,r8c3r8c4r8c5|11,r7c6r8c6|13,r7c7r8c7", "solution": "965417832874632159123958764617384925352769481498521376539846217781295643246173598", "extra": "{\"grid_size\": 9, \"puzzle_number\": 31152, \"original_difficulty\": 3}", "source": "dailykillersudoku.com"}, {"puzzle_number": 31153, "game_type": "killer_sudoku", "difficulty": "6", "puzzle_date": "2026-03-14", "puzzle": 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"15,r0c1r0c2r0c3|8,r0c4r0c5|16,r0c0r1c0|15,r1c3r1c4r2c4|9,r0c6r1c6|21,r0c7r1c7r2c7|6,r0c8r1c8r2c8|11,r1c1r2c0r2c1|12,r1c2r2c2r2c3|13,r1c5r2c5|20,r3c0r3c1r4c0|5,r3c2r3c3|11,r2c6r3c6|20,r3c7r3c8r4c7|22,r4c2r4c3r5c3|11,r3c5r4c5r4c6|9,r4c1r5c0r5c1|12,r5c2r6c2|15,r3c4r4c4r5c4|7,r5c5r5c6|16,r4c8r5c7r5c8|5,r6c3r7c3|21,r6c5r6c6r7c6|12,r6c7r6c8r7c7|12,r6c0r7c0r8c0|18,r6c1r7c1r8c1|11,r7c2r8c2|10,r6c4r7c4r7c5|11,r7c8r8c8|16,r8c3r8c4|15,r8c5r8c6r8c7", "solution": "943862571716539482285174963691457238527683194438921657854316729379245816162798345", "extra": "{\"grid_size\": 9, \"puzzle_number\": 31412, \"original_difficulty\": 2}", "source": "dailykillersudoku.com"}, {"puzzle_number": 31416, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2026-05-05", "puzzle": "0,r0c1r0c2r0c3|5,r0c5r0c6|0,r0c7r0c8r1c7r1c8|0,r0c0r1c0|0,r0c4r1c4r2c4|0,r1c5r1c6|0,r1c1r2c1|4,r1c2r2c2|8,r1c3r2c3|0,r2c7r3c7|0,r2c8r3c8|0,r2c0r3c0|0,r3c3r3c4|0,r2c5r2c6r3c5r3c6|11,r3c1r4c0r4c1|9,r3c2r4c2|19,r4c3r4c4r5c4|0,r4c5r5c5|0,r4c6r4c7r4c8|17,r5c0r5c1r6c0|0,r5c2r5c3r6c3|0,r5c6r5c7|8,r6c4r6c5|10,r6c6r6c7|18,r5c8r6c8r7c8|23,r6c1r6c2r7c1r7c2|7,r7c3r8c2r8c3|16,r7c4r7c5r8c4|0,r7c6r7c7|19,r7c0r8c0r8c1|0,r8c5r8c6|4,r8c7r8c8", "solution": "498672351251349678763581492324815769815796234976234185147953826639128547582467913", "extra": "{\"grid_size\": 9, \"puzzle_number\": 31416, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}, {"puzzle_number": 31415, "game_type": "killer_sudoku_gt", "difficulty": "8", "puzzle_date": "2026-05-05", "puzzle": "15,r0c2r0c3|8,r0c5r0c6|0,r0c7r0c8|29,r0c0r0c1r1c0r1c1r1c2r2c1|24,r0c4r1c3r1c4r2c3r3c3|0,r1c5r1c6|16,r1c7r1c8|0,r2c4r2c5|17,r2c0r3c0|7,r2c2r3c2|0,r2c6r3c6|5,r2c7r3c7|17,r2c8r3c8r4c8|0,r3c1r4c1r4c2|36,r3c4r3c5r4c3r4c4r4c5r5c3r5c4|13,r4c6r4c7r5c7|0,r4c0r5c0r6c0|12,r5c1r6c1|10,r5c2r6c2|12,r5c6r6c6|0,r5c8r6c8|5,r6c3r6c4|6,r7c0r7c1|0,r7c2r7c3|35,r5c5r6c5r7c4r7c5r8c4|0,r6c7r7c6r7c7r7c8r8c7r8c8|7,r8c0r8c1|17,r8c2r8c3|5,r8c5r8c6", "solution": "716923584534681297892745136945137628681294753273568419357419862428356971169872345", "extra": "{\"grid_size\": 9, \"puzzle_number\": 31415, \"original_difficulty\": 8}", "source": "dailykillersudoku.com"}] \ No newline at end of file diff --git a/SběrDatRůzné/SudokuKiller/preskumaj_killer_data.py b/SběrDatRůzné/SudokuKiller/preskumaj_killer_data.py new file mode 100644 index 0000000..5283a1c --- /dev/null +++ b/SběrDatRůzné/SudokuKiller/preskumaj_killer_data.py @@ -0,0 +1,184 @@ +""" +Průzkumný skript: zkouší najít strukturovaná data puzzle +na dailykillersudoku.com (cage definice, řešení). +""" + +import asyncio +import json +import sys + +sys.stdout.reconfigure(encoding="utf-8") + +from playwright.async_api import async_playwright + +URL = "https://www.dailykillersudoku.com/puzzle/70000" + + +async def main(): + async with async_playwright() as p: + browser = await p.chromium.launch(headless=True) + context = await browser.new_context(viewport={"width": 1280, "height": 900}) + + page = await context.new_page() + + # Zachytávat network requesty + api_responses = [] + async def on_response(response): + url = response.url + if any(k in url for k in ["api", "puzzle", "data", "json", "cage", "grid"]): + try: + body = await response.text() + api_responses.append({"url": url, "status": response.status, "body": body[:2000]}) + except: + api_responses.append({"url": url, "status": response.status, "body": "(could not read)"}) + + page.on("response", on_response) + + print(f"Načítám {URL} ...") + await page.goto(URL, wait_until="networkidle", timeout=60_000) + + # 1) Network requesty + print("\n=== Zachycené API/data requesty ===") + for r in api_responses: + print(f"\n URL: {r['url']}") + print(f" Status: {r['status']}") + if r['body'] and len(r['body']) < 2000: + print(f" Body: {r['body'][:500]}") + + # 2) Globální JS proměnné + print("\n=== Globální proměnné ===") + globals_check = await page.evaluate("""() => { + const names = ['puzzle', 'puzzleData', 'gameData', 'game', 'board', + 'grid', 'cages', 'cells', 'solution', 'killerData', + 'sudoku', 'level', 'data', 'config', 'state', + 'app', 'store', 'vuex', '__NUXT__', '__NEXT_DATA__', + 'initialData', 'pageData', 'props', 'serverData']; + const found = {}; + for (const name of names) { + if (typeof window[name] !== 'undefined') { + const val = window[name]; + found[name] = { + type: typeof val, + keys: typeof val === 'object' && val !== null ? Object.keys(val).slice(0, 20) : null + }; + } + } + return found; + }""") + print(json.dumps(globals_check, indent=2)) + + # 3) SVG/Canvas analýza + print("\n=== SVG/Canvas elementy ===") + svg_info = await page.evaluate("""() => { + const svgs = document.querySelectorAll('svg'); + const canvases = document.querySelectorAll('canvas'); + return { + svg_count: svgs.length, + canvas_count: canvases.length, + svg_ids: Array.from(svgs).map(s => s.id || s.className || '(no id)').slice(0, 5), + canvas_ids: Array.from(canvases).map(c => c.id || c.className || '(no id)').slice(0, 5) + }; + }""") + print(json.dumps(svg_info, indent=2)) + + # 4) Data atributy + print("\n=== Elementy s data- atributy ===") + data_attrs = await page.evaluate("""() => { + const all = document.querySelectorAll('[data-cage], [data-cell], [data-sum], [data-group], [data-value], [data-row], [data-col]'); + return { + count: all.length, + samples: Array.from(all).slice(0, 5).map(el => ({ + tag: el.tagName, + attrs: Object.fromEntries(Array.from(el.attributes).filter(a => a.name.startsWith('data-')).map(a => [a.name, a.value])) + })) + }; + }""") + print(json.dumps(data_attrs, indent=2)) + + # 5) Tabulky a mřížky + print("\n=== Tabulky / grid struktury ===") + tables = await page.evaluate("""() => { + const tables = document.querySelectorAll('table'); + const grids = document.querySelectorAll('[class*=grid], [class*=puzzle], [class*=board], [class*=cage], [class*=cell], [id*=grid], [id*=puzzle], [id*=board]'); + return { + table_count: tables.length, + grid_elements: Array.from(grids).slice(0, 10).map(el => ({ + tag: el.tagName, + id: el.id, + class: el.className.toString().substring(0, 100), + children: el.children.length + })) + }; + }""") + print(json.dumps(tables, indent=2)) + + # 6) Script tagy s daty + print("\n=== Script tagy s daty ===") + scripts = await page.evaluate("""() => { + const scripts = document.querySelectorAll('script'); + const results = []; + for (const s of scripts) { + const text = s.textContent || ''; + if (text.length > 10 && text.length < 50000) { + const keywords = ['puzzle', 'cage', 'cell', 'grid', 'solution', 'board', 'sum']; + const found = keywords.filter(k => text.toLowerCase().includes(k)); + if (found.length > 0) { + results.push({ + keywords: found, + length: text.length, + snippet: text.substring(0, 500) + }); + } + } + } + return results; + }""") + print(json.dumps(scripts, indent=2, ensure_ascii=False)[:5000]) + + # 7) Vue/React/Angular state + print("\n=== Framework state ===") + framework = await page.evaluate("""() => { + // Vue + const vueEl = document.querySelector('[data-v-app]') || document.querySelector('#app') || document.querySelector('#__nuxt'); + let vueData = null; + if (vueEl && vueEl.__vue_app__) { + vueData = 'Vue 3 app found'; + } else if (vueEl && vueEl.__vue__) { + vueData = 'Vue 2 app found'; + try { + const d = vueEl.__vue__.$data; + vueData = {type: 'Vue 2', keys: Object.keys(d)}; + } catch(e) {} + } + // __NUXT__ + if (typeof __NUXT__ !== 'undefined') { + try { vueData = {type: 'Nuxt', keys: Object.keys(__NUXT__)}; } catch(e) {} + } + // React + let reactData = null; + const reactRoot = document.querySelector('#__next') || document.querySelector('#root'); + if (reactRoot) { + const fiberKey = Object.keys(reactRoot).find(k => k.startsWith('__reactFiber') || k.startsWith('__reactInternalInstance')); + if (fiberKey) reactData = 'React app found'; + } + return {vue: vueData, react: reactData}; + }""") + print(json.dumps(framework, indent=2)) + + # 8) Všechny window properties (custom) + print("\n=== Custom window properties ===") + custom_props = await page.evaluate("""() => { + const iframe = document.createElement('iframe'); + document.body.appendChild(iframe); + const defaultKeys = new Set(Object.keys(iframe.contentWindow)); + document.body.removeChild(iframe); + const custom = Object.keys(window).filter(k => !defaultKeys.has(k) && !k.startsWith('__')); + return custom.slice(0, 50); + }""") + print(json.dumps(custom_props, indent=2)) + + await browser.close() + + +if __name__ == "__main__": + asyncio.run(main()) diff --git a/SběrDatRůzné/SudokuKiller/preskumaj_killer_data2.py b/SběrDatRůzné/SudokuKiller/preskumaj_killer_data2.py new file mode 100644 index 0000000..ff81896 --- /dev/null +++ b/SběrDatRůzné/SudokuKiller/preskumaj_killer_data2.py @@ -0,0 +1,174 @@ +""" +Průzkumný skript v2: zkouší najít strukturovaná data puzzle +na dailykillersudoku.com — prozkoumá DKS objekt a platný puzzle. +""" + +import asyncio +import json +import sys + +sys.stdout.reconfigure(encoding="utf-8") + +from playwright.async_api import async_playwright + +URL = "https://www.dailykillersudoku.com/puzzle/376" + + +async def main(): + async with async_playwright() as p: + browser = await p.chromium.launch(headless=True) + context = await browser.new_context(viewport={"width": 1280, "height": 900}) + + page = await context.new_page() + + api_responses = [] + async def on_response(response): + url = response.url + if "dailykillersudoku" in url and url != URL: + try: + ct = response.headers.get("content-type", "") + if "json" in ct or "javascript" in ct or "text" in ct: + body = await response.text() + if len(body) < 5000: + api_responses.append({"url": url, "status": response.status, "body": body[:2000]}) + else: + api_responses.append({"url": url, "status": response.status, "body": f"({len(body)} chars)"}) + except: + pass + + page.on("response", on_response) + + print(f"Načítám {URL} ...") + await page.goto(URL, wait_until="networkidle", timeout=60_000) + + # 1) DKS objekt — klíče + print("\n=== DKS objekt — klíče ===") + dks = await page.evaluate("""() => { + if (typeof DKS === 'undefined') return null; + const result = {}; + for (const key of Object.keys(DKS)) { + const val = DKS[key]; + const t = typeof val; + if (t === 'function') { + result[key] = 'function'; + } else if (t === 'object' && val !== null) { + result[key] = {type: 'object', keys: Object.keys(val).slice(0, 15)}; + } else { + result[key] = val; + } + } + return result; + }""") + if dks: + print(json.dumps(dks, indent=2, ensure_ascii=False)[:5000]) + + # 2) DKS.board nebo podobné puzzle objekty + print("\n=== DKS puzzle-related data ===") + puzzle_data = await page.evaluate("""() => { + if (typeof DKS === 'undefined') return null; + const result = {}; + const interesting = ['board', 'puzzle', 'game', 'grid', 'cages', 'cells', + 'solution', 'currentPuzzle', 'puzzleData', 'data', + 'sudoku', 'killer', 'state']; + for (const key of Object.keys(DKS)) { + if (interesting.some(i => key.toLowerCase().includes(i))) { + try { + result[key] = JSON.parse(JSON.stringify(DKS[key])); + } catch(e) { + result[key] = String(DKS[key]).substring(0, 200); + } + } + } + return result; + }""") + if puzzle_data: + print(json.dumps(puzzle_data, indent=2, ensure_ascii=False)[:8000]) + else: + print(" žádné puzzle data") + + # 3) Script tagy s puzzle daty + print("\n=== Script tagy s puzzle daty ===") + scripts = await page.evaluate("""() => { + const scripts = document.querySelectorAll('script'); + const results = []; + for (const s of scripts) { + const text = s.textContent || ''; + if (text.includes('cage') || text.includes('cell') || text.includes('solution') + || text.includes('group') || text.includes('sum') || text.includes('Board') + || text.includes('Puzzle')) { + results.push({ + length: text.length, + snippet: text.substring(0, 1000) + }); + } + } + return results; + }""") + print(json.dumps(scripts, indent=2, ensure_ascii=False)[:8000]) + + # 4) Zachycené requesty + print("\n=== Zachycené requesty (dailykillersudoku) ===") + for r in api_responses: + print(f"\n URL: {r['url']}") + print(f" Status: {r['status']}") + print(f" Body: {r['body'][:500]}") + + # 5) SVG obsah — puzzle mřížka + print("\n=== SVG puzzle mřížka ===") + svg_data = await page.evaluate("""() => { + const svgs = document.querySelectorAll('svg'); + const results = []; + for (const svg of svgs) { + const html = svg.outerHTML; + if (html.length > 1000) { + // Pravděpodobně puzzle mřížka + const texts = svg.querySelectorAll('text'); + const textContent = Array.from(texts).map(t => ({ + text: t.textContent, + x: t.getAttribute('x'), + y: t.getAttribute('y'), + class: t.getAttribute('class') + })); + const paths = svg.querySelectorAll('path'); + results.push({ + size: html.length, + width: svg.getAttribute('width'), + height: svg.getAttribute('height'), + viewBox: svg.getAttribute('viewBox'), + text_count: texts.length, + path_count: paths.length, + texts: textContent.slice(0, 30) + }); + } + } + return results; + }""") + print(json.dumps(svg_data, indent=2, ensure_ascii=False)[:5000]) + + # 6) Hledej inline JS s daty puzzle + print("\n=== Inline JS s puzzle daty ===") + inline_data = await page.evaluate("""() => { + const html = document.documentElement.innerHTML; + // Hledej vzory jako JSON pole, cage definice apod. + const patterns = [ + /DKS\.\w+\s*=\s*(\{[^}]{20,}\})/g, + /DKS\.\w+\s*=\s*(\[[^\]]{20,}\])/g, + /var\s+\w+\s*=\s*(\{[^}]{50,}\})/g, + /puzzl\w*\s*[:=]\s*["'{[]/gi + ]; + const found = []; + for (const p of patterns) { + let m; + while ((m = p.exec(html)) !== null) { + found.push(m[0].substring(0, 300)); + } + } + return found; + }""") + print(json.dumps(inline_data, indent=2, ensure_ascii=False)[:3000]) + + await browser.close() + + +if __name__ == "__main__": + asyncio.run(main()) diff --git a/SběrDatRůzné/SudokuKiller/preskumaj_killer_data3.py b/SběrDatRůzné/SudokuKiller/preskumaj_killer_data3.py new file mode 100644 index 0000000..488cc33 --- /dev/null +++ b/SběrDatRůzné/SudokuKiller/preskumaj_killer_data3.py @@ -0,0 +1,156 @@ +""" +Průzkumný skript v3: dekóduje board_base64 a solution_base64 +z dailykillersudoku.com — zjistí formát dat. +""" + +import asyncio +import json +import sys + +sys.stdout.reconfigure(encoding="utf-8") + +from playwright.async_api import async_playwright + +URL = "https://www.dailykillersudoku.com/puzzle/376" + + +async def main(): + async with async_playwright() as p: + browser = await p.chromium.launch(headless=True) + context = await browser.new_context(viewport={"width": 1280, "height": 900}) + + page = await context.new_page() + print(f"Načítám {URL} ...") + await page.goto(URL, wait_until="networkidle", timeout=60_000) + + # 1) Vytáhni JSON puzzle dat + print("\n=== Puzzle JSON ===") + puzzle_json = await page.evaluate("""() => { + return DKS.puzzle._json; + }""") + print(json.dumps(puzzle_json, indent=2)) + + # 2) Dekóduj base64 → raw bytes + print("\n=== board_base64 dekódováno ===") + board_bytes = await page.evaluate("""() => { + const b64 = DKS.puzzle._json.board_base64; + const bytes = DKS.base64ToByteArray(b64); + return Array.from(bytes); + }""") + print(f" Délka: {len(board_bytes)} bytes") + print(f" Raw: {board_bytes}") + + print("\n=== solution_base64 dekódováno ===") + sol_bytes = await page.evaluate("""() => { + const b64 = DKS.puzzle._json.solution_base64; + const bytes = DKS.base64ToByteArray(b64); + return Array.from(bytes); + }""") + print(f" Délka: {len(sol_bytes)} bytes") + print(f" Raw: {sol_bytes}") + + # 3) Jak Board parsuje data + print("\n=== Board po rozbalení ===") + board_data = await page.evaluate("""() => { + const board = DKS.puzzle.board; + return { + size: board.size, + cell_count: board._canvas ? 'has canvas' : 'no canvas', + }; + }""") + print(json.dumps(board_data, indent=2)) + + # 4) Buňky a klece z board + print("\n=== Board cells ===") + cells_data = await page.evaluate("""() => { + const board = DKS.puzzle.board; + if (!board._cells) return 'no _cells'; + const result = []; + for (let r = 0; r < board.size; r++) { + for (let c = 0; c < board.size; c++) { + const cell = board._cells[r][c]; + result.push({ + row: r, col: c, + value: cell._value || cell.value, + cage: cell._cage ? { + sum: cell._cage._sum || cell._cage.sum, + id: cell._cage._id || cell._cage.id + } : null + }); + } + } + return result; + }""") + if isinstance(cells_data, list): + print(f" Celkem buněk: {len(cells_data)}") + for c in cells_data[:20]: + print(f" [{c['row']},{c['col']}] value={c.get('value')} cage={c.get('cage')}") + else: + print(f" {cells_data}") + + # 5) Zkus přístup přes cages + print("\n=== Cages ===") + cages_data = await page.evaluate("""() => { + const board = DKS.puzzle.board; + // Zkus najít cages + const props = Object.keys(board).filter(k => !k.startsWith('_') || k.includes('cage') || k.includes('Cage')); + const allProps = Object.keys(board); + return {all_props: allProps, filtered: props}; + }""") + print(json.dumps(cages_data, indent=2)) + + # 6) Všechny vlastnosti boardu + print("\n=== Board — všechny vlastnosti ===") + board_full = await page.evaluate("""() => { + const board = DKS.puzzle.board; + const result = {}; + for (const key of Object.keys(board)) { + const val = board[key]; + const t = typeof val; + if (t === 'function') continue; + if (t === 'object' && val !== null) { + if (Array.isArray(val)) { + result[key] = `Array(${val.length})`; + if (val.length > 0 && val.length < 100) { + try { + const sample = val[0]; + result[key + '_sample'] = typeof sample === 'object' ? Object.keys(sample || {}).slice(0,10) : sample; + } catch(e) {} + } + } else { + result[key] = Object.keys(val).slice(0, 10); + } + } else { + result[key] = val; + } + } + return result; + }""") + print(json.dumps(board_full, indent=2, ensure_ascii=False)[:5000]) + + # 7) Solution data + print("\n=== Solution ===") + solution_data = await page.evaluate("""() => { + const sol = DKS.puzzle.solution; + if (!sol) return 'no solution'; + const props = Object.keys(sol); + const result = {props: props}; + for (const p of props) { + const v = sol[p]; + if (typeof v !== 'function') { + if (Array.isArray(v)) { + result[p] = v.slice(0, 20); + } else { + result[p] = v; + } + } + } + return result; + }""") + print(json.dumps(solution_data, indent=2, ensure_ascii=False)[:3000]) + + await browser.close() + + +if __name__ == "__main__": + asyncio.run(main()) diff --git a/SběrDatRůzné/SudokuKiller/preskumaj_killer_data4.py b/SběrDatRůzné/SudokuKiller/preskumaj_killer_data4.py new file mode 100644 index 0000000..e31e2d1 --- /dev/null +++ b/SběrDatRůzné/SudokuKiller/preskumaj_killer_data4.py @@ -0,0 +1,77 @@ +""" +Průzkumný skript v4: vytáhne klece (cages) z DKS.puzzle.board. +""" + +import asyncio +import json +import sys + +sys.stdout.reconfigure(encoding="utf-8") + +from playwright.async_api import async_playwright + +URL = "https://www.dailykillersudoku.com/puzzle/376" + + +async def main(): + async with async_playwright() as p: + browser = await p.chromium.launch(headless=True) + context = await browser.new_context(viewport={"width": 1280, "height": 900}) + + page = await context.new_page() + print(f"Načítám {URL} ...") + await page.goto(URL, wait_until="networkidle", timeout=60_000) + + # Klece + print("\n=== Cages ===") + cages = await page.evaluate("""() => { + const board = DKS.puzzle.board; + return board._cages.map((cage, i) => ({ + id: i, + sum: cage.sum, + cells: cage.cells.map(c => ({row: c._row, col: c._col})) + })); + }""") + for cage in cages: + cells_str = ", ".join(f"({c['row']},{c['col']})" for c in cage['cells']) + print(f" Klec {cage['id']:2d}: sum={cage['sum']:2d}, buňky=[{cells_str}]") + + # Řešení + print("\n=== Řešení ===") + solution = await page.evaluate("""() => { + return DKS.puzzle.solution._values; + }""") + for r, row in enumerate(solution): + print(f" Řádek {r}: {row}") + + # Cage map — ověření + print("\n=== Cage map (ověření) ===") + cage_map = await page.evaluate("""() => { + const board = DKS.puzzle.board; + const map = []; + for (let r = 0; r < board.size; r++) { + const row = []; + for (let c = 0; c < board.size; c++) { + const cell = board._cells[r][c]; + const cageIdx = board._cages.indexOf(cell._cage); + row.push(cageIdx); + } + map.push(row); + } + return map; + }""") + for r, row in enumerate(cage_map): + print(f" {row}") + + # Ověření součtů + print("\n=== Ověření součtů ===") + for cage in cages: + total = sum(solution[c['row']][c['col']] for c in cage['cells']) + ok = "✓" if total == cage['sum'] else "✗" + print(f" Klec {cage['id']:2d}: sum={cage['sum']:2d}, actual={total:2d} {ok}") + + await browser.close() + + +if __name__ == "__main__": + asyncio.run(main()) diff --git a/SběrDatRůzné/SudokuKiller/preskumaj_killer_data5.py b/SběrDatRůzné/SudokuKiller/preskumaj_killer_data5.py new file mode 100644 index 0000000..2e76812 --- /dev/null +++ b/SběrDatRůzné/SudokuKiller/preskumaj_killer_data5.py @@ -0,0 +1,113 @@ +""" +Průzkumný skript v5: najde správné property names pro cell row/col. +""" + +import asyncio +import json +import sys + +sys.stdout.reconfigure(encoding="utf-8") + +from playwright.async_api import async_playwright + +URL = "https://www.dailykillersudoku.com/puzzle/376" + + +async def main(): + async with async_playwright() as p: + browser = await p.chromium.launch(headless=True) + context = await browser.new_context(viewport={"width": 1280, "height": 900}) + + page = await context.new_page() + print(f"Načítám {URL} ...") + await page.goto(URL, wait_until="networkidle", timeout=60_000) + + # Zjisti property names buněk v klecích + print("\n=== Cell properties ===") + cell_props = await page.evaluate("""() => { + const cage = DKS.puzzle.board._cages[0]; + const cell = cage.cells[0]; + return Object.keys(cell); + }""") + print(json.dumps(cell_props, indent=2)) + + # Zkus všechny varianty row/col + print("\n=== Cell row/col lookup ===") + cell_data = await page.evaluate("""() => { + const cage = DKS.puzzle.board._cages[0]; + const cell = cage.cells[0]; + const result = {}; + for (const key of Object.keys(cell)) { + const val = cell[key]; + if (typeof val !== 'function' && typeof val !== 'object') { + result[key] = val; + } + } + return result; + }""") + print(json.dumps(cell_data, indent=2)) + + # Klece s buňkami — správné property + print("\n=== Cages s buňkami ===") + cages = await page.evaluate("""() => { + const board = DKS.puzzle.board; + return board._cages.map((cage, i) => { + const cells = cage.cells.map(c => { + // Najdi row/col property + const keys = Object.keys(c); + const rowKey = keys.find(k => k.toLowerCase().includes('row') && typeof c[k] === 'number'); + const colKey = keys.find(k => (k.toLowerCase().includes('col') || k.toLowerCase().includes('column')) && typeof c[k] === 'number'); + return { + row: rowKey ? c[rowKey] : null, + col: colKey ? c[colKey] : null, + rowKey: rowKey, + colKey: colKey + }; + }); + return {id: i, sum: cage.sum, cells: cells}; + }); + }""") + for cage in cages[:5]: + cells_str = ", ".join(f"({c['row']},{c['col']})" for c in cage['cells']) + print(f" Klec {cage['id']:2d}: sum={cage['sum']:2d}, buňky=[{cells_str}]") + if cage['id'] == 0: + print(f" rowKey={cage['cells'][0]['rowKey']}, colKey={cage['cells'][0]['colKey']}") + + # Pokud row/col stále None, zkus index-based approach + print("\n=== Fallback: cage map z _cells ===") + cage_map = await page.evaluate("""() => { + const board = DKS.puzzle.board; + const result = []; + for (const cage of board._cages) { + const cellPositions = []; + for (const cageCell of cage.cells) { + // Najdi pozici buňky v _cells mřížce + for (let r = 0; r < board.size; r++) { + for (let c = 0; c < board.size; c++) { + if (board._cells[r][c] === cageCell) { + cellPositions.push({row: r, col: c}); + } + } + } + } + result.push({sum: cage.sum, cells: cellPositions}); + } + return result; + }""") + for i, cage in enumerate(cage_map): + cells_str = ", ".join(f"({c['row']},{c['col']})" for c in cage['cells']) + print(f" Klec {i:2d}: sum={cage['sum']:2d}, buňky=[{cells_str}]") + + # Ověření součtů + print("\n=== Ověření součtů ===") + solution = await page.evaluate("() => DKS.puzzle.solution._values") + for i, cage in enumerate(cage_map): + total = sum(solution[c['row']][c['col']] for c in cage['cells']) + ok = "✓" if total == cage['sum'] else "✗" + print(f" Klec {i:2d}: sum={cage['sum']:2d}, actual={total:2d} {ok}") + + await browser.close() + + +if __name__ == "__main__": + asyncio.run(main()) diff --git a/SběrDatRůzné/SudokuKiller/preskumaj_rozsah.py b/SběrDatRůzné/SudokuKiller/preskumaj_rozsah.py new file mode 100644 index 0000000..1efcbbb --- /dev/null +++ b/SběrDatRůzné/SudokuKiller/preskumaj_rozsah.py @@ -0,0 +1,35 @@ +""" +Zjistí rozsah puzzle v sudoku_killer tabulce a počet. +""" + +import sys +from pathlib import Path + +sys.stdout.reconfigure(encoding="utf-8") +sys.path.insert(0, str(Path(__file__).parent.parent.parent / "Knihovny")) + +from mysql_db import connect_mysql + +conn = connect_mysql(database="puzzle") +cur = conn.cursor() + +cur.execute(""" + SELECT puzzle_type_id, COUNT(*), MIN(puzzle_number), MAX(puzzle_number), + MIN(puzzle_date), MAX(puzzle_date) + FROM sudoku_killer + GROUP BY puzzle_type_id +""") +for row in cur.fetchall(): + print(f" type_id={row[0]}, count={row[1]}, nums={row[2]}-{row[3]}, dates={row[4]}-{row[5]}") + +cur.execute("SELECT id, name FROM puzzle_type") +for row in cur.fetchall(): + print(f" puzzle_type: id={row[0]}, name={row[1]}") + +cur.execute(""" + SELECT COUNT(*) FROM puzzles WHERE game_type = 'killer_sudoku' +""") +print(f" Už v puzzles tabulce: {cur.fetchone()[0]}") + +cur.close() +conn.close() diff --git a/SběrDatRůzné/SudokuKiller/stahni_killer_structured.py b/SběrDatRůzné/SudokuKiller/stahni_killer_structured.py new file mode 100644 index 0000000..98a9d70 --- /dev/null +++ b/SběrDatRůzné/SudokuKiller/stahni_killer_structured.py @@ -0,0 +1,254 @@ +""" +Stáhne strukturovaná data (cage definice + řešení) z dailykillersudoku.com +a uloží do sdílené tabulky puzzles. + +Funguje bez Playwright — data jsou inline v HTML jako JSON, dekóduje se base64 v Pythonu. +""" + +import base64 +import json +import re +import sys +import time +from concurrent.futures import ThreadPoolExecutor, as_completed +from pathlib import Path + +import requests +from tqdm import tqdm + +sys.stdout.reconfigure(encoding="utf-8") +sys.stderr.reconfigure(encoding="utf-8") +sys.path.insert(0, str(Path(__file__).parent.parent.parent / "Knihovny")) + +from mysql_db import connect_mysql + +PUZZLE_TYPE_MAP = {1: "killer_sudoku", 2: "killer_sudoku_gt"} +BASE_URL = "https://www.dailykillersudoku.com/puzzle/{}" + + +def fetch_puzzle_json(puzzle_number: int) -> dict | None: + url = BASE_URL.format(puzzle_number) + try: + r = requests.get(url, timeout=15) + if r.status_code != 200: + return None + m = re.search(r'new DKS\.Puzzle\((\{.*?\})\)', r.text) + if not m: + return None + return json.loads(m.group(1)) + except Exception: + return None + + +def decode_board(board_b64: str) -> tuple[list[list[int]], list[int]]: + """Dekóduje board_base64 → (cage_map 9x9, cage_sums).""" + raw = base64.b64decode(board_b64) + # Header: 2 bytes, pak 81 × 2 bytes (uint16 BE cage IDs), pak N bytes (sums) + cell_data = raw[2:2 + 81 * 2] + sum_data = raw[2 + 81 * 2:] + + cage_map = [] + for r in range(9): + row = [] + for c in range(9): + idx = (r * 9 + c) * 2 + cage_id = (cell_data[idx] << 8) | cell_data[idx + 1] + row.append(cage_id) + cage_map.append(row) + + cage_sums = list(sum_data) + return cage_map, cage_sums + + +def decode_solution(solution_b64: str) -> list[list[int]]: + """Dekóduje solution_base64 → 9x9 mřížka.""" + raw = base64.b64decode(solution_b64) + values = list(raw[2:]) # skip 2-byte header + return [values[r * 9:(r + 1) * 9] for r in range(9)] + + +def build_cages_string(cage_map: list[list[int]], cage_sums: list[int]) -> str: + """Vytvoří cage string ve formátu: sum,r0c0r0c1|sum,r1c2r1c3|...""" + cages = {} + for r in range(9): + for c in range(9): + cid = cage_map[r][c] + if cid not in cages: + cages[cid] = [] + cages[cid].append(f"r{r}c{c}") + + parts = [] + for cid in sorted(cages.keys()): + s = cage_sums[cid] if cid < len(cage_sums) else 0 + cells = "".join(cages[cid]) + parts.append(f"{s},{cells}") + return "|".join(parts) + + +def build_solution_string(solution: list[list[int]]) -> str: + return "".join(str(v) for row in solution for v in row) + + +def process_puzzle(puzzle_number: int) -> dict | None: + pj = fetch_puzzle_json(puzzle_number) + if not pj: + return None + + try: + cage_map, cage_sums = decode_board(pj["board_base64"]) + solution = decode_solution(pj["solution_base64"]) + + cage_str = build_cages_string(cage_map, cage_sums) + sol_str = build_solution_string(solution) + game_type = PUZZLE_TYPE_MAP.get(pj.get("puzzle_type", 1), "killer_sudoku") + + return { + "puzzle_number": pj["id"], + "game_type": game_type, + "difficulty": str(pj.get("difficulty", 0)), + "puzzle_date": pj.get("date"), + "puzzle": cage_str, + "solution": sol_str, + "extra": json.dumps({ + "grid_size": 9, + "puzzle_number": pj["id"], + "original_difficulty": pj.get("difficulty"), + }), + "source": "dailykillersudoku.com", + } + except Exception as e: + return None + + +def save_batch(results: list[dict]): + conn = connect_mysql(database="puzzle") + cur = conn.cursor() + inserted = 0 + for r in results: + cur.execute( + "INSERT INTO puzzles " + "(game_type, difficulty, puzzle_date, puzzle, solution, extra, source) " + "VALUES (%s, %s, %s, %s, %s, %s, %s) " + "ON DUPLICATE KEY UPDATE puzzle=VALUES(puzzle), solution=VALUES(solution), " + "extra=VALUES(extra)", + (r["game_type"], r["difficulty"], r["puzzle_date"], + r["puzzle"], r["solution"], r["extra"], r["source"]), + ) + if cur.rowcount > 0: + inserted += 1 + cur.close() + conn.close() + return inserted + + +def get_puzzle_numbers() -> list[int]: + conn = connect_mysql(database="puzzle") + cur = conn.cursor() + cur.execute("SELECT puzzle_number FROM sudoku_killer ORDER BY puzzle_number") + nums = [row[0] for row in cur.fetchall()] + cur.close() + conn.close() + return nums + + +JSON_FILE = Path(__file__).parent / "killer_structured_data.json" + + +def download_all(puzzle_numbers: list[int]) -> list[dict]: + """Stáhne všechna puzzle z webu, průběžně ukládá do JSON souboru.""" + all_results = [] + if JSON_FILE.exists(): + all_results = json.loads(JSON_FILE.read_text(encoding="utf-8")) + print(f"Načteno {len(all_results)} existujících záznamů z JSON") + + done_numbers = {r["puzzle_number"] for r in all_results} + remaining = [n for n in puzzle_numbers if n not in done_numbers] + print(f"Zbývá stáhnout: {len(remaining)} z {len(puzzle_numbers)}") + + if not remaining: + return all_results + + batch_size = 100 + errors = 0 + + with ThreadPoolExecutor(max_workers=6) as executor: + for start in tqdm(range(0, len(remaining), batch_size), + desc="Stahování", unit="batch"): + batch_nums = remaining[start:start + batch_size] + futures = {executor.submit(process_puzzle, n): n for n in batch_nums} + for future in as_completed(futures): + result = future.result() + if result: + all_results.append(result) + else: + errors += 1 + + JSON_FILE.write_text( + json.dumps(all_results, ensure_ascii=False), encoding="utf-8" + ) + + print(f"Staženo celkem: {len(all_results)}, chyb: {errors}") + return all_results + + +def import_from_json(): + """Importuje data z JSON souboru do MySQL.""" + if not JSON_FILE.exists(): + print("JSON soubor neexistuje, nejdřív spusť stahování.") + return + + all_results = json.loads(JSON_FILE.read_text(encoding="utf-8")) + print(f"Importuji {len(all_results)} záznamů z JSON do MySQL...") + + batch_size = 500 + total_inserted = 0 + for start in tqdm(range(0, len(all_results), batch_size), + desc="Import", unit="batch"): + batch = all_results[start:start + batch_size] + inserted = save_batch(batch) + total_inserted += inserted + + print(f"Import hotov: aktualizováno {total_inserted} záznamů") + + +def main(): + # Test na jednom puzzle + print("=== Test: puzzle 376 ===") + result = process_puzzle(376) + if result: + print(f" game_type: {result['game_type']}") + print(f" difficulty: {result['difficulty']}") + print(f" date: {result['puzzle_date']}") + print(f" cages ({len(result['puzzle'].split('|'))} klecí): {result['puzzle'][:100]}...") + print(f" solution: {result['solution']}") + else: + print(" Selhalo!") + return + + if "--import" in sys.argv: + import_from_json() + return + + if "--run" not in sys.argv: + print("\nPro stažení spusť s --run, pro import z JSON s --import") + return + + puzzle_numbers = get_puzzle_numbers() + print(f"\nCelkem puzzle k zpracování: {len(puzzle_numbers)}") + + all_results = download_all(puzzle_numbers) + + print("\nImportuji do MySQL...") + batch_size = 500 + total_inserted = 0 + for start in tqdm(range(0, len(all_results), batch_size), + desc="Import", unit="batch"): + batch = all_results[start:start + batch_size] + inserted = save_batch(batch) + total_inserted += inserted + + print(f"\nHotovo: aktualizováno {total_inserted} záznamů") + + +if __name__ == "__main__": + main() diff --git a/SběrDatRůzné/SudokuKiller/vykresli_killer_sudoku.py b/SběrDatRůzné/SudokuKiller/vykresli_killer_sudoku.py new file mode 100644 index 0000000..5d9ac9d --- /dev/null +++ b/SběrDatRůzné/SudokuKiller/vykresli_killer_sudoku.py @@ -0,0 +1,229 @@ +""" +Vykreslí Killer Sudoku puzzle do PDF z dat v MySQL tabulce puzzles. +""" + +import json +import os +import re +import sys +from pathlib import Path + +sys.stdout.reconfigure(encoding="utf-8") +sys.path.insert(0, str(Path(__file__).parent.parent.parent / "Knihovny")) + +from reportlab.lib import colors +from reportlab.lib.pagesizes import A4 +from reportlab.lib.units import cm +from reportlab.pdfbase import pdfmetrics +from reportlab.pdfbase.ttfonts import TTFont +from reportlab.pdfgen.canvas import Canvas + +from mysql_db import connect_mysql + +_fonts_dir = os.path.join(os.environ.get("WINDIR", r"C:\Windows"), "Fonts") +pdfmetrics.registerFont(TTFont("Arial", os.path.join(_fonts_dir, "arial.ttf"))) +pdfmetrics.registerFont(TTFont("ArialBold", os.path.join(_fonts_dir, "arialbd.ttf"))) + +OUTPUT = Path(__file__).parent / "test_killer_sudoku_v6.pdf" + + +def parse_cages(puzzle_str: str) -> list[dict]: + cages = [] + for part in puzzle_str.split("|"): + target, cells_str = part.split(",", 1) + cells = [(int(m[1]), int(m[2])) for m in re.finditer(r"r(\d)c(\d)", cells_str)] + cages.append({"sum": int(target), "cells": cells}) + return cages + + +def build_cage_map(cages: list[dict]) -> list[list[int]]: + cage_map = [[-1] * 9 for _ in range(9)] + for i, cage in enumerate(cages): + for row, col in cage["cells"]: + cage_map[row][col] = i + return cage_map + + +def cage_label_cell(cage: dict) -> tuple[int, int]: + return min(cage["cells"], key=lambda c: (c[0], c[1])) + + +def parse_solution(solution_str: str) -> list[list[int]]: + return [[int(solution_str[r * 9 + c]) for c in range(9)] for r in range(9)] + + +def draw_killer_sudoku(c: Canvas, x0: float, y0: float, cell: float, + cages: list[dict], cage_map: list[list[int]], + title: str = "", solution: list[list[int]] | None = None): + label_font = max(cell * 0.22, 5) + num_font = max(cell * 0.45, 7) + thin = 0.3 + cage_line = 1.0 + thick = 2.2 + + if title: + c.setFont("ArialBold", 12) + c.drawString(x0, y0 + 5, title) + + # Bílé pozadí + c.setFillColor(colors.white) + c.rect(x0, y0 - 9 * cell, 9 * cell, 9 * cell, fill=1, stroke=0) + + # Řešení + if solution: + c.setFillColor(colors.Color(0.25, 0.25, 0.25)) + c.setFont("Arial", num_font) + for r in range(9): + for co in range(9): + cx = x0 + co * cell + cell / 2 + cy = y0 - (r + 1) * cell + cell * 0.28 + c.drawCentredString(cx, cy, str(solution[r][co])) + + # --- Vrstva 1: kompletní sudoku mřížka (tenké plné čáry) --- + c.setStrokeColor(colors.Color(0.55, 0.55, 0.55)) + c.setLineWidth(thin) + for i in range(1, 9): + c.line(x0, y0 - i * cell, x0 + 9 * cell, y0 - i * cell) + c.line(x0 + i * cell, y0, x0 + i * cell, y0 - 9 * cell) + + # --- Vrstva 2: tečkované ohraničení klecí (odsazené dovnitř buněk) --- + inset = cell * 0.10 + c.setStrokeColor(colors.Color(0.2, 0.2, 0.2)) + c.setLineWidth(cage_line * 0.5) + c.setDash(3, 2) + + # Horizontální hrany klecí — top borders + for r in range(9): + co = 0 + while co < 9: + cid = cage_map[r][co] + if not (r == 0 or cage_map[r - 1][co] != cid): + co += 1 + continue + seg_start = co + while co < 9 and cage_map[r][co] == cid and (r == 0 or cage_map[r - 1][co] != cid): + co += 1 + c.line(x0 + seg_start * cell + inset, y0 - r * cell - inset, + x0 + co * cell - inset, y0 - r * cell - inset) + + # Horizontální hrany klecí — bottom borders + for r in range(9): + co = 0 + while co < 9: + cid = cage_map[r][co] + if not (r == 8 or cage_map[r + 1][co] != cid): + co += 1 + continue + seg_start = co + while co < 9 and cage_map[r][co] == cid and (r == 8 or cage_map[r + 1][co] != cid): + co += 1 + c.line(x0 + seg_start * cell + inset, y0 - (r + 1) * cell + inset, + x0 + co * cell - inset, y0 - (r + 1) * cell + inset) + + # Vertikální hrany klecí — left borders + for co in range(9): + r = 0 + while r < 9: + cid = cage_map[r][co] + if not (co == 0 or cage_map[r][co - 1] != cid): + r += 1 + continue + seg_start = r + while r < 9 and cage_map[r][co] == cid and (co == 0 or cage_map[r][co - 1] != cid): + r += 1 + c.line(x0 + co * cell + inset, y0 - seg_start * cell - inset, + x0 + co * cell + inset, y0 - r * cell + inset) + + # Vertikální hrany klecí — right borders + for co in range(9): + r = 0 + while r < 9: + cid = cage_map[r][co] + if not (co == 8 or cage_map[r][co + 1] != cid): + r += 1 + continue + seg_start = r + while r < 9 and cage_map[r][co] == cid and (co == 8 or cage_map[r][co + 1] != cid): + r += 1 + c.line(x0 + (co + 1) * cell - inset, y0 - seg_start * cell - inset, + x0 + (co + 1) * cell - inset, y0 - r * cell + inset) + + c.setDash() + + # Tlusté 3×3 čáry + vnější okraj + c.setStrokeColor(colors.black) + c.setLineWidth(thick) + for i in range(0, 10, 3): + c.line(x0, y0 - i * cell, x0 + 9 * cell, y0 - i * cell) + c.line(x0 + i * cell, y0, x0 + i * cell, y0 - 9 * cell) + + # Popisky klecí (součty) — nakonec, aby nebyly překryty čarami + c.setFillColor(colors.white) + c.setFont("ArialBold", label_font) + for cage in cages: + if not cage["cells"]: + continue + row, col = cage_label_cell(cage) + lx = x0 + col * cell + cell * 0.05 + ly = y0 - row * cell - label_font * 1.05 + txt = str(cage["sum"]) + tw = c.stringWidth(txt, "ArialBold", label_font) + c.rect(lx - 0.5, ly - 0.5, tw + 1, label_font + 1, fill=1, stroke=0) + c.setFillColor(colors.black) + c.setFont("ArialBold", label_font) + for cage in cages: + if not cage["cells"]: + continue + row, col = cage_label_cell(cage) + lx = x0 + col * cell + cell * 0.05 + ly = y0 - row * cell - label_font * 1.05 + c.drawString(lx, ly, str(cage["sum"])) + + +def main(): + conn = connect_mysql(database="puzzle") + cur = conn.cursor() + cur.execute( + "SELECT difficulty, puzzle, solution, extra FROM puzzles " + "WHERE game_type='killer_sudoku' AND extra LIKE '%%\"puzzle_number\": 31414%%' " + "LIMIT 1" + ) + row = cur.fetchone() + cur.close() + conn.close() + + if not row: + print("Žádná data.") + return + + difficulty, puzzle_str, solution_str, extra_json = row + extra = json.loads(extra_json) + + cages = parse_cages(puzzle_str) + cage_map = build_cage_map(cages) + solution = parse_solution(solution_str) + + page_w, page_h = A4 + board_cm = 11 + cell = board_cm * cm / 9 + board_px = 9 * cell + + c = Canvas(str(OUTPUT), pagesize=A4) + + # Zadání + x0 = (page_w - board_px) / 2 + y0 = page_h - 2 * cm + draw_killer_sudoku(c, x0, y0, cell, cages, cage_map, + f"Killer Sudoku (difficulty {difficulty}) — {extra.get('puzzle_number', '')}") + + # Řešení + y0_sol = y0 - board_px - 3 * cm + draw_killer_sudoku(c, x0, y0_sol, cell, cages, cage_map, + "Řešení", solution=solution) + + c.save() + print(f"PDF uloženo: {OUTPUT}") + + +if __name__ == "__main__": + main()