1 
0
5 5 0
0 1 2 4
1 2 3 7
2 4 6 7
1 4 5 7
1 2 4 7
0 0
0 1
0 2
0 3
0 4
0.0 0.0 0.0
1.0 0.0 0.0
0.0 1.0 0.0
1.0 1.0 0.0
0.0 0.0 1.0
1.0 0.0 1.0
0.0 1.0 1.0
1.0 1.0 1.0