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