#N T-nosed p4
#O Robert Wainwright
#C A period 4 oscillator found in October 1989.
#C www.conwaylife.com/wiki/index.php?title=T-nosed_p4
x = 11, y = 10, rule = B3/S23
4b3o4b$5bo5b2$4b3o4b$3bo3bo3b$2bo5bo2b$2bobobobo2b$b2obobob2ob$o2b2ob
2o2bo$2o7b2o!