#N Scrubber
#C A period 2 oscillator found in 1971.
#C www.conwaylife.com/wiki/index.php?title=Scrubber
x = 11, y = 11, rule = B3/S23
4bo6b$2b3o6b$bo9b$bo2b3o4b$2obo3bo3b$3bo3bo3b$3bo3bob2o$4b3o2bob$9bob$
6b3o2b$6bo!