C3123121111331312121111331333132313331333133313331312111113223311   >>    C312312111133131212111133133313231333133313331333131211111322331   <<    C3123121111331312121111331333132313331333133313331312111113223313   >>      C3123121111331312121111331333132313331333133313331312111113223312   >>