-6 8
-4 9
-2 10
0 10
2 10
4 9
6 8
6 6
6 4
4 2
2 0
0 -2
-2 -4
-4 -6
-6 -8
-4 -8
-2 -8
0 -8
2 -8
4 -8
6 -8
