harvey/sys/games/lib/sudoku/boards/medium-2005-04-20.su

....5.21.
.2.7..6.9
..7..6...
..1...54.
58..2..96
.93...1..
...1..4..
7.5..4.6.
.39.6....
346958217
128743659
957216384
271689543
584321796
693475128
862197435
715834962
439562871