5
3 2
1 0 0
3 2
0 0 1
7 4
0 1 0 0 1 0 0
20 15
1 1 0 0 0 0 1 0 1 1 0 0 0 1 1 1 1 0 0 1
20 19
0 1 1 0 1 0 0 0 1 1 0 0 0 1 1 0 1 0 1 0