C2221232323213331311331333133313331323132313331333112123122131222122311   >>    C222123232321333131133133313331333132313231333133311212312213122212231   <<    C2221232323213331311331333133313331323132313331333112123122131222122313   >>      C2221232323213331311331333133313331323132313331333112123122131222122312   >>