C3123121111331312121111331333133313331333121333133313113313222322121   >>    C312312111133131212111133133313331333133312133313331311331322232212   <<    C3123121111331312121111331333133313331333121333133313113313222322123   >>      C3123121111331312121111331333133313331333121333133313113313222322122   >>