C222133313331333131123313231333133313331333132323213331311331333312121   >>    C22213331333133313112331323133313331333133313232321333131133133331212   <<    C222133313331333131123313231333133313331333132323213331311331333312123   >>      C222133313331333131123313231333133313331333132323213331311331333312122   >>