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