C22213331333133313112331323133313331333133313232321232313111221   >>    C2221333133313331311233132313331333133313331323232123231311122   <<    C22213331333133313112331323133313331333133313232321232313111223   >>      C22213331333133313112331323133313331333133313232321232313111222   >>