C1311213331333132332133313331333133313331333131133133312111113232233311   >>    C131121333133313233213331333133313331333133313113313331211111323223331   <<    C1311213331333132332133313331333133313331333131133133312111113232233313   >>      C1311213331333132332133313331333133313331333131133133312111113232233312   >>