#N Sidecar #O Hartmut Holzwart #C An orthogonal period 4 c/2 tagalong for the heavyweight spaceship that was found in 1992. #C www.conwaylife.com/wiki/index.php?title=Sidecar x = 8, y = 10, rule = 23/3 bo6b$o5bob$o5bob$5obob2$4b2o2b$2bo4bo$bo6b$bo5bo$b6o!