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