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


