x = 13, y = 47, rule = B3678/S34678
bbobo$b3o$4o$obobo$bobo$o$o$4o$o$$3o$oo$bbo$o3bo$oboo$4o$4o$$10boo$5bo
bobobo$4b9o$3b10o$bb11o$b12o$bb11o$3b10o$4b9o$5bobobobo$10boo$$4o$4o$o
boo$o3bo$bbo$oo$3o$$o$4o$o$o$bobo$obobo$4o$b3o$bbobo!
A period 360 c/2 puffer.
David I. Bell, April 1997
