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