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