sys/games/lib/sudoku/boards/medium-2005-03-22.su


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.7...54..
1.5.3....
.6.81..73
7......6.
..2...3..
.1......2
98..72.3.
....9.2.1
..16...8.
378925416
145736928
269814573
753289164
892461357
416357892
984172635
637598241
521643789