C2221232323213331311331333133313331323132313331333112123122131211312311   >>    C222123232321333131133133313331333132313231333133311212312213121131231   <<    C2221232323213331311331333133313331323132313331333112123122131211312313   >>      C2221232323213331311331333133313331323132313331333112123122131211312312   >>