C22213331333133313112331323133313331333131311331333133313232223222231   >>    C2221333133313331311233132313331333133313131133133313331323222322223   <<    C22213331333133313112331323133313331333131311331333133313232223222233   >>      C22213331333133313112331323133313331333131311331333133313232223222232   >>