x = 19, y = 19, rule = B3/S23 2b2o11b2o$2b2o11b2o$bo2bo9bo2bo$2bobo9bobo2$b3o11b3o$bo2bo9bo2bo$o2bo 11bo2bo$b2o13b2o2$b2o13b2o$o2bo11bo2bo$bo2bo9bo2bo$b3o11b3o2$2bobo9bob o$bo2bo9bo2bo$2b2o11b2o$2b2o11b2o!