sys/games/lib/sudoku/boards/medium-2005-04-29.su


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5.1....7.
..94....2
.6..1.9.8
...1..784
.........
254..6...
4.5.7..3.
1....24..
.9....1.5
541298673
879463512
362517948
936125784
718349256
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697834125