xref: /plan9-contrib/sys/games/lib/sudoku/boards/medium-2005-05-16.su (revision a8e650f8b6804428114023f948a3fb1a4d7b82d3) 
19...153..
26..4.....
3...9..5.4
454.1..6..
57.......5
6..3..8.42
74.8..3...
8.....1..9
9..956...1
10924815367
11651437928
12837926514
13542179683
14786342195
15193658742
16418793256
17365281479
18279564831
19