@group=hithere
-2 0 0 1 0 0 4 4 1 1 5 3 5 3 -1 1 -1 5 8 2 2 2 -3 -2 1 4 8 2 3 -1
@group=world
 0 0 0 0 0 0 0 0 0 0 0 0 0 0  0 0 0 0 0 0 0 0  0  0 0 0 0 0 0  0
