sys/games/lib/sudoku/boards/hard-2005-04-09.su


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..58.4.2.
.....5..9
.1....5.3
...39.8..
2.8...7.1
..9.81...
5.4....1.
7..6.....
.8.5.39..
965834127
347125689
812967543
471392865
238456791
659781234
594278316
723619458
186543972