#N 28P7.2 #O Dean Hickerson #C A period 7 oscillator that is tied with burloaferimeter and 28P7.1 #C as the smallest. #C www.conwaylife.com/wiki/index.php?title=28P7.2 x = 12, y = 11, rule = b3/s23 b2o9b$2bo9b$bo10b$b2o7b2o$3bo4bo2bo$b2o2b2o2b2ob$o2bo4bo3b$2o7b2ob$10b ob$9bo2b$9b2o!