#N Acorn
#O Charles Corderman, 1971
#C Seven cells that take 5,206 generations to stabilise, ending as 633 cells spread over a huge area. Charles Corderman's classic demonstration that tiny inputs can have enormous consequences.
#C Exported from Lifeform
x = 7, y = 3, rule = B3/S23
bo$3bo$2o2b3o!