C2221232323213331311331333133313331323132313331333223312232311111211211231   >>    C222123232321333131133133313331333132313231333133322331223231111121121123   <<    C2221232323213331311331333133313331323132313331333223312232311111211211233   >>      C2221232323213331311331333133313331323132313331333223312232311111211211232   >>