cs486/a1/sudoku_problems/22/1.sd

0 1 9 0 0 4 0 0 6 
0 0 0 6 0 0 0 0 0 
0 0 0 8 0 3 0 4 0 
0 5 0 9 0 0 0 0 0 
0 8 0 0 0 5 0 0 2 
0 6 0 0 0 0 0 3 5 
0 0 0 0 0 0 5 6 0 
0 0 0 0 2 0 9 0 7 
0 0 0 0 0 8 0 0 0