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