C22213331333133313112331323133313331333132321233133313223313113313221   >>    C2221333133313331311233132313331333133313232123313331322331311331322   <<    C22213331333133313112331323133313331333132321233133313223313113313223   >>      C22213331333133313112331323133313331333132321233133313223313113313222   >>