C2221232323213331311331333133313331323132313331333213233121321323331   >>    C222123232321333131133133313331333132313231333133321323312132132333   <<    C2221232323213331311331333133313331323132313331333213233121321323333   >>      C2221232323213331311331333133313331323132313331333213233121321323332   >>