#N Monogram
#O Dean Hickerson
#C A period 4 oscillator found in August 1989.
#C www.conwaylife.com/wiki/index.php?title=Monogram
x = 7, y = 5, rule = B3/S23
2o3b2o$bobobob$b2ob2ob$bobobob$2o3b2o!