@RULE Roommates
@TABLE
n_states:3
neighborhood:vonNeumann
symmetries:permute
var a = {0,1,2}
var b = a
var c = a
var d = a
var e = a
0,1,1,0,0,1
0,2,0,0,0,1
1,1,1,0,0,2
1,2,0,0,0,2
2,1,0,0,0,2
2,1,1,0,0,2
2,2,0,0,0,2
a,b,c,d,e,0