C1311213331333132332133313331333133313331333131133133313223313122321312321   >>    C131121333133313233213331333133313331333133313113313331322331312232131232   <<    C1311213331333132332133313331333133313331333131133133313223313122321312323   >>      C1311213331333132332133313331333133313331333131133133313223313122321312322   >>