C3123121111331312121111331333132313331333133313232223132323213232311   >>    C312312111133131212111133133313231333133313331323222313232321323231   <<    C3123121111331312121111331333132313331333133313232223132323213232313   >>      C3123121111331312121111331333132313331333133313232223132323213232312   >>