C2221232323213331311331333133313331323132313331333112123122131233331121   >>    C222123232321333131133133313331333132313231333133311212312213123333112   <<    C2221232323213331311331333133313331323132313331333112123122131233331123   >>      C2221232323213331311331333133313331323132313331333112123122131233331122   >>