C2221232323213331311331333133313331323132323131121122233312112331   >>    C222123232321333131133133313331333132313232313112112223331211233   <<    C2221232323213331311331333133313331323132323131121122233312112333   >>      C2221232323213331311331333133313331323132323131121122233312112332   >>