C2221232323213331311331333133313331323132313331333213233121213223131   >>    C222123232321333131133133313331333132313231333133321323312121322313   <<    C2221232323213331311331333133313331323132313331333213233121213223133   >>      C2221232323213331311331333133313331323132313331333213233121213223132   >>