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