#N R2D2
#O Peter Raynham
#C A period 8 oscillator.
#C http://www.conwaylife.com/wiki/index.php?title=R2D2
x = 11, y = 10, rule = B3/S23
5bo5b$4bobo4b$3bobobo3b$3bobobo3b$2obo3bob2o$2obo3bob2o$3bo3bo3b$3bobo
bo3b$4bobo4b$5bo!