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