8 6

0 1 4
1 0 5
1 2 4
2 1 5
2 3 4
3 2 5
3 0 4
0 3 5

0.000000000000000 0.000000000000000 0.000000000000000
1.000000000000000 0.000000000000000 0.000000000000000
1.000000000000000 -1.000000000000000 0.000000000000000
0.000000000000000 -1.000000000000000 0.000000000000000
0.500000000000000 -0.500000000000000 0.700000000000000
0.500000000000000 -0.500000000000000 -0.700000000000000