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