8 36
1 1 0.0
1 2 0.945540707764573
1 3 0.0
1 4 0.0
1 5 0.0
1 6 0.0
1 7 0.0
1 8 0.0
2 2 0.0
2 3 -0.8433425114205151
2 4 0.0
2 5 0.0
2 6 0.0
2 7 0.0
2 8 0.0
3 3 0.0
3 4 -0.18015328178723558
3 5 0.0
3 6 0.0
3 7 0.0
3 8 0.0
4 4 0.0
4 5 -0.474992999007006
4 6 0.0
4 7 0.0
4 8 0.0
5 5 0.0
5 6 0.2693964204367113
5 7 0.0
5 8 0.0
6 6 0.0
6 7 0.4919607345631476
6 8 0.0
7 7 0.0
7 8 1.262648263320495
8 8 0.0