11
0.0 0.0
3.0 -6.0
6.0 -6.0
6.0 0.0
8.0 0.0
9.0 4.5
4.5 6.0
2.0 4.0
-1.0 7.0
-6.0 0.0
-2.0 -6.0
17
7.0 8.0
8.5 1.0
7.0 -5.0
4.0 -3.0
1.0 -3.0
-4.0 -4.0
-2.0 -1.5
-5.0 3.0
-3.0 5.0
-2.1 3.0
-3.0 4.0
2.0 -6.0
7.0 4.5
-1.0 0.0
5.0 0.0
-1.0 0.0
-7.0 0.0