#N Muttering moat 1
#O Dean Hickerson
#C A period 2 oscillator and a muttering moat, found in May 1993.
#C www.conwaylife.com/wiki/index.php?title=Muttering_moat_1
x = 7, y = 7, rule = B3/S23
2o5b$o3b2ob$bobobob2$b2o2bob$3bo2bo$5b2o!