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