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