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

2..6...9.
6....48.5
..73....1
3.9...4..
...1.6...
..4...5.7
5....82..
8.17....4
.7...9..8
245681793
613974825
987325641
329857416
758146932
164293587
536418279
891762354
472539168