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