harvey/sys/games/lib/sudoku/boards/medium001.su

..5.....6
.7...9.2.
...5..1.7
8.415....
...8.3...
....928.5
9.7..6...
.3.4...1.
2.....6..
425781936
178369524
369524187
894157362
652843791
713692845
987216453
536478219
241935678