C1311213331333132332133313331333133313331311331333133313331333131313231   >>    C131121333133313233213331333133313331333131133133313331333133313131323   <<    C1311213331333132332133313331333133313331311331333133313331333131313233   >>      C1311213331333132332133313331333133313331311331333133313331333131313232   >>