C2221232323213331311331333133313231333132313232222121223322231323331   >>    C222123232321333131133133313331323133313231323222212122332223132333   <<    C2221232323213331311331333133313231333132313232222121223322231323333   >>      C2221232323213331311331333133313231333132313232222121223322231323332   >>