C3123121111331312121111331333133313331333121333133313331211113311233132323231   >>    C312312111133131212111133133313331333133312133313331333121111331123313232323   <<    C3123121111331312121111331333133313331333121333133313331211113311233132323233   >>      C3123121111331312121111331333133313331333121333133313331211113311233132323232   >>