C3123121111331312121111331333133313331333121333131133132233223331   >>    C312312111133131212111133133313331333133312133313113313223322333   <<    C3123121111331312121111331333133313331333121333131133132233223333   >>      C3123121111331312121111331333133313331333121333131133132233223332   >>