-10 -10
-10 -2
-10 -5
-10 -6
-10 0
-10 2
-23 0
-23 12
-23 21
-23 4
-30 -8
-32 -14
-34 -19
-35 0
-38 12
-38 15
-38 20
-38 4
-38 8
0 0
8 -6