共棲

共 = 井 + 八 : A giant eight-ball is blocking the well in the engine's bathroom. Joining forces together with the communist, Gitta Giraffe and he are able to push the eight-ball off and make the well available to the public again.

共 = 井 + 八 : Mnemonic symbol: the communist.

栖 = 木 + 西 : The Queen of Hearts (qi) set up an artificial habitat (栖) in front of the space station (Ø1) by using a huge cowboy hat (西) as the base on which she erected a few Christmas trees (木).