sudoku-csolver/problems/9x9-20.problem

   1 9.000000000000000000e+00 8.000000000000000000e+00 7.000000000000000000e+00 6.000000000000000000e+00 5.000000000000000000e+00 4.000000000000000000e+00 3.000000000000000000e+00 2.000000000000000000e+00 1.000000000000000000e+00
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   4 8.000000000000000000e+00 9.000000000000000000e+00 0.000000000000000000e+00 7.000000000000000000e+00 4.000000000000000000e+00 5.000000000000000000e+00 2.000000000000000000e+00 1.000000000000000000e+00 3.000000000000000000e+00
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   8 4.000000000000000000e+00 0.000000000000000000e+00 2.000000000000000000e+00 0.000000000000000000e+00 3.000000000000000000e+00 9.000000000000000000e+00 5.000000000000000000e+00 8.000000000000000000e+00 7.000000000000000000e+00
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