2 -8
2 -6
2 -4
2 -2
2 0
2 2
2 4
2 6
2 8
2 10
0 8
-2 6
-4 4
-6 2
-8 0
-6 0
-4 0
-2 0
0 0
2 0
4 0
6 0
8 0
