xref: /plan9-contrib/sys/games/lib/sudoku/boards/hard-2005-03-27.su (revision a8e650f8b6804428114023f948a3fb1a4d7b82d3) 
14..6213..
2...3...9.
3.8..9....
46..1..8..
535.....14
6..8..4..6
7....7..4.
8.3...9...
9..5416..9
10497621385
11561348792
12283795461
13649152873
14352867914
15718934526
16926573148
17134289657
18875416239
19