4
0 0 2 0
3 0 5 0
0 0 5 0
2 0 3 0
3
0/1 0/1 2/1 0/1
2/1 0/1 3/1 0/1
3/1 0/1 5/1 0/1
4
0/1 0/1
2/1 0/1
3/1 0/1
5/1 0/1
2
2/1 0/1
3/1 0/1
1
6
0/1 0/1 2/1 0/1
0/1 0/1 2/1 0/1
2/1 0/1 3/1 0/1
2/1 0/1 3/1 0/1
3/1 0/1 5/1 0/1
3/1 0/1 5/1 0/1
