5
3 0 4 0
4 0 7 0
2 0 5 0 
1 0 4 0
0 0 3 0
6
0/1 0/1 1/1 0/1
1/1 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 5/1 0/1
5/1 0/1 7/1 0/1
7
0/1 0/1
1/1 0/1
2/1 0/1
3/1 0/1
4/1 0/1
5/1 0/1
7/1 0/1
5
1/1 0/1
2/1 0/1
3/1 0/1
4/1 0/1
5/1 0/1
1
12
0/1 0/1 1/1 0/1
1/1 0/1 2/1 0/1
1/1 0/1 2/1 0/1
2/1 0/1 3/1 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 5/1 0/1
4/1 0/1 5/1 0/1
5/1 0/1 7/1 0/1
