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imone
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sudoku-hard-v2

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81
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stringlengths
81
81
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int64
0
465
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puzzles4_forum_hardest_1905
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puzzles1_unbiased
2...184...........78...3..5.28...1...6.49..3.9..1...2.3..........65...12..93.....
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01_file1
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01_file1
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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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