C3123121111331312121111331333133313331333121333133313331322221121   >>    C312312111133131212111133133313331333133312133313331333132222112   <<    C3123121111331312121111331333133313331333121333133313331322221123   >>      C3123121111331312121111331333133313331333121333133313331322221122   >>