Rule:Pteriforeverspaceships

@RULE pteriforeverspaceships

https://www.conwaylife.com/forums/viewtopic.php?f=11&t=1079&p=7792#p7789

@TABLE n_states:4 neighborhood:Moore symmetries:none var a={1,2} var ss={0,1,2,3} var tt={0,1,2,3} var uu={0,1,2,3} var vv={0,1,2,3} var ww={0,1,2,3} var xx={0,1,2,3} var yy={0,1,2,3} var zz={0,1,2,3} 0,ss,tt,uu,vv,1,2,ww,xx,2 0,ss,tt,uu,1,2,vv,ww,xx,1 a,ss,tt,uu,vv,ww,xx,yy,zz,0 0,ss,tt,1,uu,vv,ww,xx,yy,1 0,ss,tt,uu,vv,ww,xx,2,yy,2 0,ss,tt,uu,1,3,vv,ww,xx,3 0,ss,tt,uu,vv,3,2,ww,xx,3 0,ss,tt,uu,vv,1,3,ww,xx,2 0,ss,tt,uu,3,2,vv,ww,xx,1 0,ss,tt,uu,vv,3,1,ww,xx,3 0,ss,tt,uu,2,3,vv,ww,xx,3 3,ss,tt,a,uu,vv,ww,xx,yy,0 3,ss,tt,uu,vv,ww,xx,a,yy,0