10x10
1 1 1 1 1 1 1 1 1 1
1 1 1 1 9 1 1 1 1 1
1 1 1 1 9 1 1 1 1 1
1 1 1 1 9 1 1 1 1 1
1 1 1 1 9 1 1 1 1 1
1 1 1 1 9 1 1 1 1 1
1 1 1 1 9 1 1 1 1 1
1 1 1 1 9 1 1 1 1 1
1 1 1 1 9 1 1 1 1 1
1 1 1 1 9 1 1 1 1 1