C3123121111331312121111331333133313331333121333132313331333131133132313232131   >>    C312312111133131212111133133313331333133312133313231333133313113313231323213   <<    C3123121111331312121111331333133313331333121333132313331333131133132313232133   >>      C3123121111331312121111331333133313331333121333132313331333131133132313232132   >>