0: 1 -0.5 0 0.8860254
1: 1 0.5 0 0.8860254
2: 1 -0.5 0 -0.8860254
3: 1 0.5 0 -0.8860254
4: 1 0 0 1
5: 0 0 0 0
6: 1 -1 0 0
7: 1 1 0 0