C2221232323213331311331333133313331323132313331333213233121323311211   >>    C222123232321333131133133313331333132313231333133321323312132331121   <<    C2221232323213331311331333133313331323132313331333213233121323311213   >>      C2221232323213331311331333133313331323132313331333213233121323311212   >>