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