C2221232323213331311331333133313331323132322332323223331312333211   >>    C222123232321333131133133313331333132313232233232322333131233321   <<    C2221232323213331311331333133313331323132322332323223331312333213   >>      C2221232323213331311331333133313331323132322332323223331312333212   >>