C3123121111331312121111331333133313331333121333132313331333131133132233312321   >>    C312312111133131212111133133313331333133312133313231333133313113313223331232   <<    C3123121111331312121111331333133313331333121333132313331333131133132233312323   >>      C3123121111331312121111331333133313331333121333132313331333131133132233312322   >>