harvey/sys/games/lib/sudoku/boards/medium-2005-02-20.su

.9.....35
..5..3...
34.6..9..
...5.47.6
..7...3..
6.41.9...
..2..6.13
...2..5..
16.....8.
796428135
825913674
341657928
218534796
957862341
634179852
582796413
473281569
169345287