C222123232321333131133133313331333131133131212233232313132312111   >>    C22212323232133313113313331333133313113313121223323231313231211   <<    C222123232321333131133133313331333131133131212233232313132312113   >>      C222123232321333131133133313331333131133131212233232313132312112   >>