#MCell 2.0
#GAME Generations
#RULE 012478/36/18
#BOARD 160x160
#SPEED 10
#WRAP 0
#CCOLORS 18
#D Ebb&Flow
#D 
#D A slow exploding rule with interesting internal dynamics
#D within the growth boundaries.  Different types of symmetries will
#D often determine whether a pattern grows indefinitely or dies out.
#D Presents challenging engineering problems.
#D 
#D Best viewed with MCell standard/default color palette
#D at speeds of 10 or slower.
#D 
#D Michael Sweney, October 1999
#L 12A$A..6A..A$A.8A.A$3A.4A.3A$3A.4A.3A$A.8A.A$A.3A..3A.A$A.3A..3A.A$A.
#L 3A..3A.A$A.8A.A$3A.4A.3A$3A.4A.3A$A.8A.A$A..6A..A$12A