-10.0 -10.0
-10.0 10.0
10.0 10.0
10.0 -10.0

-1.0 1.0
2.0 -8.0
-5.0 0.0
5.0 9.0
-4.0 -5.0

6.0 6.0
4.0 -3.0
-5.0 -9.0
1.0 10.0
6.0 -2.0

6.0 3.0
-4.0 3.0
6.0 -10.0
-3.0 -1.0
-6.0 6.0

-7.0 -7.0
0.0 -4.0
3.0 5.0
-2.0 9.0
2.0 1.0

0.0 -9.0
-8.0 3.0