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