3
3 0 6 0
0 0 4 0
2 0 8 0
5
0/1 0/1 2/1 0/1
2/1 0/1 3/1 0/1
3/1 0/1 4/1 0/1
4/1 0/1 6/1 0/1
6/1 0/1 8/1 0/1
6
0/1 0/1
2/1 0/1
3/1 0/1
4/1 0/1
6/1 0/1
8/1 0/1
4
2/1 0/1
3/1 0/1
4/1 0/1
6/1 0/1
1
9
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 4/1 0/1
3/1 0/1 4/1 0/1
3/1 0/1 4/1 0/1
4/1 0/1 6/1 0/1
4/1 0/1 6/1 0/1
6/1 0/1 8/1 0/1