C2221232323213331311331333133313331323132313331333213233121321222331   >>    C222123232321333131133133313331333132313231333133321323312132122233   <<    C2221232323213331311331333133313331323132313331333213233121321222333   >>      C2221232323213331311331333133313331323132313331333213233121321222332   >>