x y-10 -40-9 -27-8 -16-7 -7-6 0-5 5-4 8-3 9-2 8-1 50 01 -72 -163 -274 -405 -556 -727 -918 -1129 -13510 -160
x y
-10 -40
-9 -27
-8 -16
-7 -7
-6 0
-5 5
-4 8
-3 9
-2 8
-1 5
0 0
1 -7
2 -16
3 -27
4 -40
5 -55
6 -72
7 -91
8 -112
9 -135
10 -160