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