sys/games/lib/sudoku/boards/hard-2005-05-07.su


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

58...7...
..645.8..
..7.3...1
1....9.2.
8.......6
.6.2....4
7...9.2..
..1.239..
...8...13
589617432
316452879
427938561
154769328
872345196
963281754
738196245
641523987
295874613