4
5/1 1/1 7/1 -1/1
0/1 0/1 10/1 0/1
2/1 -1/1 6/1 0/1
6/1 0/1 10/1 0/1

0

6
5
1

0/1 0/1
2/1 -1/1
5/1 1/1
6/1 0/1
7/1 -1/1
10/1 0/1

0/1 0/1 6/1 0/1 1
2/1 -1/1 6/1 0/1 1
5/1 1/1 6/1 0/1 1
6/1 0/1 7/1 -1/1 1
6/1 0/1 10/1 0/1 2
