C131121333133313233213331333133313331333133313331313331323131133231   >>    C13112133313331323321333133313331333133313331333131333132313113323   <<    C131121333133313233213331333133313331333133313331313331323131133233   >>      C131121333133313233213331333133313331333133313331313331323131133232   >>