3
1 2 3 2
0 0 5 0
2 -2 2 4
7
2/1 -2/1 2/1 0/1
0/1 0/1 2/1 0/1
2/1 0/1 2/1 2/1
1/1 2/1 2/1 2/1
2/1 2/1 2/1 4/1
2/1 2/1 3/1 2/1
2/1 0/1 5/1 0/1
8
0/1 0/1
1/1 2/1
2/1 -2/1
60/30 0/30
24/12 24/12
2/1 4/1
3/1 2/1
5/1 0/1
2
60/30 0/30
24/12 24/12
1
7
2/1 -2/1 2/1 0/1
0/1 0/1 2/1 0/1
2/1 0/1 2/1 2/1
1/1 2/1 2/1 2/1
2/1 2/1 2/1 4/1
2/1 2/1 3/1 2/1
2/1 0/1 5/1 0/1
