C222133313331333131123313231333133313331333132323213331312133112111   >>    C22213331333133313112331323133313331333133313232321333131213311211   <<    C222133313331333131123313231333133313331333132323213331312133112113   >>      C222133313331333131123313231333133313331333132323213331312133112112   >>