C22213331333133313112331323133313331333133313331333133313123231311211   >>    C2221333133313331311233132313331333133313331333133313331312323131121   <<    C22213331333133313112331323133313331333133313331333133313123231311213   >>      C22213331333133313112331323133313331333133313331333133313123231311212   >>