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