3
0 0 6 6
0 0 6 6
6 6 0 0
1
0/1 0/1 6/1 6/1
2
0/1 0/1
6/1 6/1
0
1
3
0/1 0/1 6/1 6/1
0/1 0/1 6/1 6/1
6/1 6/1 0/1 0/1
