leptonica/prog/sudoku3.dat


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# sudoku3.dat
#  "Near worst case" sudoku for brute force,
#  Req: 623M guesses, 70 sec
#  (Rotating by 180, it only requires: 4.7M guesses, 0.6 sec)
#  from http://en.wikipedia.org/wiki/Algorithmics_of_sudoku
0 0 0 0 0 0 0 0 0
0 0 0 0 0 3 0 8 5
0 0 1 0 2 0 0 0 0
0 0 0 5 0 7 0 0 0
0 0 4 0 0 0 1 0 0
0 9 0 0 0 0 0 0 0
5 0 0 0 0 0 0 7 3
0 0 2 0 1 0 0 0 0
0 0 0 0 4 0 0 0 9