harvey/sys/games/lib/sudoku/boards/medium-2005-04-18.su

6........
..854.3.7
..1.9..4.
...15..6.
..57.81..
.4..39...
.5..1.8..
9.3.675..
........9
634871952
298546317
571392648
829154763
365728194
147639285
452913876
983467521
716285439