#N Bent keys
#O Dean Hickerson
#C A period 3 oscillator found in August 1989.
#C www.conwaylife.com/wiki/index.php?title=Bent_keys
x = 12, y = 5, rule = B3/S23
bo8bob$obo6bobo$bob2o2b2obob$4bo2bo4b$4bo2bo!