#N Ellison p4 HW emulator
#O Scot Ellison
#C A period 4 oscillator that provides a spark like a heavyweight spac
#C eship.
#C www.conwaylife.com/wiki/Ellison_P4_HW_emulator
x = 24, y = 9, rule = b3/s23
11b2o11b$4bo3bo6bo3bo4b$3bobo12bobo3b$3bobo12bobo3b$2obobob10obobob2o$
2obo16bob2o$3bo16bo3b$3bobo4b2obo4bobo3b$4b2o4bob2o4b2o!