20 -30 2 -14 2
0 0 0 4
0 4 4 4
4 4 4 0
4 0 0 0
-4 -4 -4 8
-4 8 8 8
8 8 8 -4
8 -4 -4 -4
-8 -8 -8 12
-8 12 12 12
12 12 12 -8
12 -8 -8 -8
-12 -12 -12 16
-12 16 16 16
16 16 16 -12
16 -12 -12 -12
-16 -16 -16 20
-16 20 20 20
20 20 20 -16
20 -16 -16 -16
