C222133313331333131123313231333133313331333132323213331311331313123221   >>    C22213331333133313112331323133313331333133313232321333131133131312322   <<    C222133313331333131123313231333133313331333132323213331311331313123223   >>      C222133313331333131123313231333133313331333132323213331311331313123222   >>