3
0 4 7 4
1 0 5 8
3 4 6 6
5
1/1 0/1 3/1 4/1
0/1 4/1 3/1 4/1
3/1 4/1 5/1 8/1
3/1 4/1 6/1 6/1
3/1 4/1 7/1 4/1
6
0/1 4/1
1/1 0/1
3/1 4/1
5/1 8/1
6/1 6/1
7/1 4/1
1
3/1 4/1
1
5
1/1 0/1 3/1 4/1
0/1 4/1 3/1 4/1
3/1 4/1 5/1 8/1
3/1 4/1 6/1 6/1
3/1 4/1 7/1 4/1

