C2221232323213331311331333133313331323132313331333112123122131211313331   >>    C222123232321333131133133313331333132313231333133311212312213121131333   <<    C2221232323213331311331333133313331323132313331333112123122131211313333   >>      C2221232323213331311331333133313331323132313331333112123122131211313332   >>