Rule:Photonic4

@RULE Photonic4

@TABLE n_states:4 neighborhood:Moore symmetries:rotate4reflect

var a={0,1,2} var b=a

var c={a,3} var d=c var e=c var f=c var g=c var h=c var i=c var j=c

0,1,0,1,0,1,0,0,0,2 0,2,a,c,d,e,f,g,b,2 0,2,1,c,d,e,f,g,h,2 2,c,d,e,f,g,h,i,j,3 3,c,d,e,f,g,h,i,j,0

@COLORS 0 0 0 0 black 1 64 64 64 dark gray 2 255 255 255 white 3 128 128 128 gray