#N Jam
#O Achim Flammenkamp
#C A period 3 oscillator.
#C www.conwaylife.com/wiki/index.php?title=Jam
x = 6, y = 7, rule = B3/S23
3b2ob$2bo2bo$o2bobo$o3bob$o5b$3bo2b$b2o!