/usr/web/sources/plan9/sys/games/lib/sudoku/boards/hard-2005-05-15.su

Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/games/lib/sudoku/boards/hard-2005-05-15.su


7...1...6
..25.4...
..4.9....
2....58.3
.5.2.6.7.
1.79....2
....8.3..
...3.19..
4...2...8
735812496
982564731
614793285
269175843
358246179
147938652
521489367
876351924
493627518

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