#N Aries betwixt two blocks #C The most common naturally-occurring 31-bit still life. #C http://conwaylife.com/wiki/Aries_betwixt_two_blocks x = 9, y = 8, rule = B3/S23 b2o3b2o$o2bobo2bo$2obobob2o$3bobo$3bobo$2obobob2o$2obobob2o$4bo!