#N Trice tongs
#O Robert Wainwright
#C A period 3 oscillator found in February 1982.
#C www.conwaylife.com/wiki/index.php?title=Trice_tongs
x = 7, y = 7, rule = B3/S23
2bo4b$2b3o2b$2o3bob$bobobob$bo5b$2b2o2bo$5b2o!