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int64
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puzzles4_forum_hardest_1905
.....1..3..1.3..8..5.8.2.7...8....6..6..2.7..5.76....4.7.2...4......59.79..3.....
786951423241736589359842671498173265163524798527698134875219346632485917914367852
25
puzzles1_unbiased
5....89..4..3.....2...67..1.3.4...1....7.236.72...6....69.5..........1..1.....5.9
516248973487319652293567841638495217941782365725136498369851724852974136174623589
3
puzzles1_unbiased
1..375.8....2........6....3.....69..49..3...13.8...7....3..4.....5..8.196..1.....
169375482534281697872649153721456938496837521358912764913524876245768319687193245
0
puzzles4_forum_hardest_1905
..72..3.......8...81..7..4...6..3..7.7.6...2.....5.6.........9..4..9...1..27..5..
567249318294138756813576942456923187379681425128457639731865294645392871982714563
57
puzzles4_forum_hardest_1905
.7.....1248......62...5.3..7.8.4.2.1.4......51...6..3....5.4...5.4.2...3.....9...
973486512485213976216957348768345291342791685159862437631574829594128763827639154
12
puzzles0_kaggle
841.73.9.9..4.5.....6.1...2.34..7.6.2...518.91......5.3...8...4.75.3...6..2.49.17
841273695923465178756918432534897261267351849198624753319786524475132986682549317
0
puzzles4_forum_hardest_1905
1....92.4..4........345..7.....8.....79......2....57.1.....6...6..52.9....219.6.5
156879234784263519923451876561784392379612458248935761895346127617528943432197685
24
puzzles1_unbiased
...6.12..1.94.......3.7.94..8...........4...8.6.9..4...12.8.......1...2..9..658..
478691253129453786653872941984326175231547698765918432512784369846139527397265814
0
puzzles1_unbiased
..9.62.1.4.....62.....5..3..4.89....7.......62.8.4.....32..........359..8.....4..
379462518485371629126958734543896271791523846268147395932684157614735982857219463
1
puzzles1_unbiased
..7....5.9.5.71.4.1......6.6..4.971.......9..3...8...52..........93.......85.42.1
847236159965871342123945867682459713574123986391687425216798534459312678738564291
3