C222123232321333131133133313331333131133131212233232321311211121   >>    C22212323232133313113313331333133313113313121223323232131121112   <<    C222123232321333131133133313331333131133131212233232321311211123   >>      C222123232321333131133133313331333131133131212233232321311211122   >>