sys/games/lib/sudoku/boards/hard-2005-04-30.su


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1.....5..
.562.4...
.2.1..3..
.9..51..4
7.......5
8..32..1.
..7..6.5.
...5.216.
..9.....3
178963542
356274891
924185376
692851734
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845327619
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