harvey/sys/games/lib/sudoku/boards/medium-2005-05-20.su

.4.83.7.9
......24.
9.5......
5...8...6
..49.63..
3...4...5
......5.2
.53......
8.9.21.3.
641832759
738695241
925714863
597283416
184956327
362147985
416378592
253469178
879521634