C3123121111331312121111331333133313331333121333133313131133132322332311   >>    C312312111133131212111133133313331333133312133313331313113313232233231   <<    C3123121111331312121111331333133313331333121333133313131133132322332313   >>      C3123121111331312121111331333133313331333121333133313131133132322332312   >>