2
2 0 2 3
4 0 0 0
3
2/1 0/1 0/1 0/1
2/1 0/1 2/1 3/1
4/1 0/1 2/1 0/1
4
0/1 0/1
2/1 0/1
2/1 3/1
4/1 0/1
1
2/1 0/1
1
3
2/1 0/1 0/1 0/1
2/1 0/1 2/1 3/1
4/1 0/1 2/1 0/1
