C2221232323213331311331333133313331323132313331333112123122131233313231231   >>    C222123232321333131133133313331333132313231333133311212312213123331323123   <<    C2221232323213331311331333133313331323132313331333112123122131233313231233   >>      C2221232323213331311331333133313331323132313331333112123122131233313231232   >>