C2221232323213331311331333133313331323132313331333213233121121211231   >>    C222123232321333131133133313331333132313231333133321323312112121123   <<    C2221232323213331311331333133313331323132313331333213233121121211233   >>      C2221232323213331311331333133313331323132313331333213233121121211232   >>