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