cs486/a1/sudoku_problems/17/4.sd

0 0 0 0 0 0 6 0 0 
0 0 0 4 0 0 2 0 0 
0 0 0 0 9 8 0 0 0 
0 0 0 0 0 0 0 0 8 
1 0 2 0 0 4 9 0 0 
0 0 0 0 0 0 0 0 4 
2 1 0 0 0 0 8 0 0 
8 0 0 9 0 0 0 0 0 
0 9 0 0 0 0 0 0 0