C3123121111331312121111331333133313331333121333131133132322333123121   >>    C312312111133131212111133133313331333133312133313113313232233312312   <<    C3123121111331312121111331333133313331333121333131133132322333123123   >>      C3123121111331312121111331333133313331333121333131133132322333123122   >>