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