source
string
question
string
answer
string
rating
int64
01_file1
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles0_kaggle
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
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puzzles2_17_clue
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
.....5.2....4.76..9...8...771......4..8.3...13......6....2...4..3..7......9..65..
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
....6.......1..9..2....3.4..47..28...23....7.8..7.......13..4.53....1.8.48...7.3.
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puzzles4_forum_hardest_1905
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puzzles0_kaggle
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles1_unbiased
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
1...8.4...4.9....6.....7.2..3.2...6...7..4..59.....3...9.5....7..6..9.3.8...1....
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puzzles1_unbiased
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puzzles1_unbiased
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puzzles1_unbiased
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
..5.1..9.7.......8.2......4.3...1..246..3......16...3...6..3.5..7..5.......96.8..
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puzzles4_forum_hardest_1905
..6.4.....2.38.6..1....7..8........3.....875.7...3.18..492.....5....3..1.......9.
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puzzles4_forum_hardest_1905
..9..85..54.3....1....2..4.95..3.8..68...9.....3.........1...72..5..36..7........
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puzzles4_forum_hardest_1905
5.7.....9.8..6.2..6..7...8....8.13...1.3.6.2.....2....9....4..2..4....5..6..3.1..
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles1_unbiased
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01_file1
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01_file1
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01_file1
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles1_unbiased
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles5_forum_hardest_1905_11+
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
1.........38..49.....7...32............27.89..92..8..4...86.4...43..7.8.5........
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puzzles4_forum_hardest_1905
39...48....5.........68...3..1....8.....4.92.98...3..772...8.3....42.7...........
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puzzles4_forum_hardest_1905
9.4....2..3..427...........8.......7...6.3....9..57.3...9...45..7..35..2...1..3..
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puzzles1_unbiased
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puzzles0_kaggle
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
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puzzles1_unbiased
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
2.......4..3....5.9..7..1...9..7.6.....1.8..9..46.9...5...1..3..8...69..4.......2
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
5.648...7.7.6..........75..1...2...8.....67.2.6.8.4..5..89..2....3.......5...8..4
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puzzles4_forum_hardest_1905
1.....9....6.2...4.4.7...5.....43.....35....6.8........7.6...4...2.5..8.9..8..1..
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
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puzzles1_unbiased
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
1...2..67...4..2....2..7..5.25..6.8.9..........1.4.5....73.9....8......9..9.5.67.
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puzzles1_unbiased
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puzzles4_forum_hardest_1905
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puzzles4_forum_hardest_1905
...5...4....4.1..3.3..962..2....5.....326.4..6...4....3..67.9....7....8..69....7.
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puzzles1_unbiased
7.......8...7.61...6..9...7.....3864.9...1.5.8..2......71......63...4...5...2.31.
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puzzles4_forum_hardest_1905
.....68...8.2...91..1.....235......6.928..5.....5..9......4......96..2..56...2.7.
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puzzles4_forum_hardest_1905
.8.....1....1.3...1...7..396....2.7...9...4....1.3.96.7..3...96....271....5.6....
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puzzles4_forum_hardest_1905
.9.......6...4.1.....5...68.....42..4..1.2.7...6.7.........6.837...8.41.8.3.1....
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puzzles1_unbiased
....7.........21...9.....3..278....1....6.....1..5.7.8.4.5...6925.34......6.....3
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puzzles1_unbiased
.76.34..1.4.8.....1.85....4.3....1.8.1..5......5....3....2...6.6.7.8....2..3...17
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puzzles1_unbiased
....6...5.3.....7.68.5......432......6.9.1.4.9.......2....8.3.47.4.3..51.5..9..2.
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puzzles4_forum_hardest_1905
.3..9...2..5...93.6.....71.3....5....1..7.3....84.....4..8......2..1..7......6.9.
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puzzles4_forum_hardest_1905
.......3...53.87...7..4...6...2....43.......5.46.5.3...64.3..5.1.......3...4.96..
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puzzles4_forum_hardest_1905
.......367..4.38...8..2......83.47..43.7...5..7.........9.....1.4.9.83..8........
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puzzles4_forum_hardest_1905
.2.9.37......2...13..7...2...4..9..52...3.9.....8......6.......9...7.2..7..39.1..
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puzzles4_forum_hardest_1905
.49....2..........7..4.26..4..7.6..3.71..........8.4...5...37.63..6.7.4.......3..
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puzzles4_forum_hardest_1905
.5..1...66....537...7......9..........3..6..5..5..17.3..6..3..7.8..4........6.2..
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24