third-party/leptonica/prog/sudoku4.dat
# sudoku4.dat
# Easter Monster (rating 99408 -- whatever that is)
# Req: 2.4M guesses, about 0.7 sec
# from http://en.wikipedia.org/wiki/Algorithmics_of_sudoku
1 0 0 0 0 0 0 0 2
0 9 0 4 0 0 0 5 0
0 0 6 0 0 0 7 0 0
0 5 0 9 0 3 0 0 0
0 0 0 0 7 0 0 0 0
0 0 0 8 5 0 0 4 0
7 0 0 0 0 0 6 0 0
0 3 0 0 0 9 0 8 0
0 0 2 0 0 0 0 0 1