C22213331333133313112331323133313331333132321233133313223223331   >>    C2221333133313331311233132313331333133313232123313331322322333   <<    C22213331333133313112331323133313331333132321233133313223223333   >>      C22213331333133313112331323133313331333132321233133313223223332   >>