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5 lines
206 B

#N Light bulb
#C A period 2 oscillator that was found in 1971.
#C www.conwaylife.com/wiki/index.php?title=Light_bulb
x = 7, y = 9, rule = B3/S23
b2obo2b$bob2o2b2$2b3o2b$bo3bob$bo3bob$2bobo2b$obobobo$2o3b2o!