/usr/web/sources/plan9/sys/games/lib/sudoku/boards/hard000.su

Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/games/lib/sudoku/boards/hard000.su


36..2..89
...361...
.........
8.3...6.2
4..6.3..7
6.7...1.8
.........
...418...
97..3..14
361524789
789361425
524879361
893157642
412683597
657942138
148796253
235418976
976235814

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