#N linear-replicator-with-replicating-strings.rle
#O Saka, 10 March 2017
#C
#C A linear replicator that gives off line-shaped sparks which
#C themselves replicate as they shrink inwards into nothing.
#C
#C Reference:
#C https://conwaylife.com/forums/viewtopic.php?p=41453#p41453
x = 6, y = 3, rule = B3ai45i6n/S2-k3-a46c7c
b4o$2o2b2o$b4o!