#N Queen bee shuttle #O Bill Gosper #C A period 30 oscillator. #C www.conwaylife.com/wiki/index.php?title=Queen_bee_shuttle x = 22, y = 7, rule = b3/s23 9bo12b$7bobo12b$6bobo13b$2o3bo2bo11b2o$2o4bobo11b2o$7bobo12b$9bo!