/usr/web/sources/plan9/sys/games/lib/sudoku/boards/hard-2005-03-14.su

Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/games/lib/sudoku/boards/hard-2005-03-14.su


4..57....
..98..57.
.....1..6
.3....86.
..86.91..
.65....2.
8..4.....
.94..36..
....85..7
481576392
629834571
573291486
932157864
748629135
165348729
857462913
294713658
316985247

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