16
-90 30
-100 60
0 50
100 60
90 30
100 0
22 0
21 10
20 0
12 0
11 10
10 0
2 0
1 10
0 0
-100 0
16
-100 90
1 90
2 92
3 90
11 90
12 92
13 90
21 90
22 92
23 90
100 90
90 60
100 30
0 40
-100 30
-90 60
