C3123121111331312121111331333133313331333121333133313331313232313231   >>    C312312111133131212111133133313331333133312133313331333131323231323   <<    C3123121111331312121111331333133313331333121333133313331313232313233   >>      C3123121111331312121111331333133313331333121333133313331313232313232   >>