3
2 1 1 1 1
2 1 1 1 1
2 1 1 1 1
3
2 1 1 2 1
1 1 1
2 1 1 1 1
3
1 1 2
2 1 1 1 1
2 1 1 1 1
3
2 2 1 1 2
1 2 2
1 1 1
0
