xref: /plan9-contrib/sys/games/lib/sudoku/boards/medium-2005-01-31.su (revision a8e650f8b6804428114023f948a3fb1a4d7b82d3) 
11.8..4...
2..9....1.
3.6.19.74.
42...7....
5.87.3.46.
6....6...7
7.74.53.2.
8.3....9..
9...8..6.3
10158724396
11749386512
12362195748
13296478135
14587231469
15413569287
16674953821
17835612974
18921847653
19