7 13
0 0
6 12
1 1 1 0 1 1 0 0 0 1 1 1 1
1 0 1 1 1 0 1 1 1 1 1 0 1
1 0 0 0 1 0 1 0 1 0 1 0 1
1 0 0 0 1 1 1 0 1 0 1 1 1
1 1 1 1 1 0 0 0 0 1 0 0 0
0 0 0 0 1 0 0 0 0 0 0 0 0
0 0 0 0 1 1 1 1 1 1 1 1 1