harvey/sys/games/lib/sudoku/boards/hard-2005-04-24.su

1.......8
4...3.5..
.831...47
.....5.9.
.32...46.
.5.2.....
96...813.
..8.2...6
3.......4
195467328
476832519
283159647
741685293
832791465
659243781
964578132
518324976
327916854