#N Pre-pulsar
#C A common predecessor of the pulsar. It duplicates itself after 15 generations, although it fails to be a true replicator because of the way the that two copies then interact.
#C www.conwaylife.com/wiki/index.php?title=Pre-pulsar
x = 9, y = 3, rule = B3/S23
3o3b3o$obo3bobo$3o3b3o!