harvey/sys/games/lib/sudoku/boards/medium-2005-01-31.su

1.8..4...
..9....1.
.6.19.74.
2...7....
.87.3.46.
....6...7
.74.53.2.
.3....9..
...8..6.3
158724396
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362195748
296478135
587231469
413569287
674953821
835612974
921847653