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