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