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