C2221232323213331311331333133313331323132313331333213233121321312311   >>    C222123232321333131133133313331333132313231333133321323312132131231   <<    C2221232323213331311331333133313331323132313331333213233121321312313   >>      C2221232323213331311331333133313331323132313331333213233121321312312   >>