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