/usr/web/sources/plan9/sys/games/lib/sudoku/boards/hard-2005-03-19.su

Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/games/lib/sudoku/boards/hard-2005-03-19.su


..19....3
9..7..16.
.3...5..7
.5......9
..43.26..
2......7.
6..1...3.
.42..7..6
5....68..
761928453
925743168
438615927
357461289
894372615
216589374
689154732
142837596
573296841

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