8
0 1
1 1
0 0
1 0
2 1
2 0
3 1
3 0
3
4 3 4 2 1
4 4 6 5 2
4 6 8 7 5
3
1 1 0
3 1 0
8 0 1
1
1 0.0 -0.5
