C22213331333133313112331323133313331333131311331333133313123232111211   >>    C2221333133313331311233132313331333133313131133133313331312323211121   <<    C22213331333133313112331323133313331333131311331333133313123232111213   >>      C22213331333133313112331323133313331333131311331333133313123232111212   >>