10
0 0
21 0
14 6
30
0 0
21 0
14 6
50
0 0
21 0
14 6
90
0 0
21 0
16 12
30
100 -100
103 -100
100 -96
30
100 -100
103 -100
100 -96
60
100 -100
103 -100
100 -96
90
100 -100
103 -100
100 -96
2
100 -100
103 -100
100 -96
-30
100 -100
103 -100
100 -96
0