harvey/sys/games/lib/sudoku/boards/medium-2005-03-24.su

..3729.6.
.2.8..73.
.........
..8..75.6
..5...1..
7.69..2..
.........
.74..5.9.
.6.1784..
543729861
921846735
687531924
298317546
435682179
716954283
852493617
174265398
369178452