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

