C3123121111331312121111331333133313331333121333132313331322212121   >>    C312312111133131212111133133313331333133312133313231333132221212   <<    C3123121111331312121111331333133313331333121333132313331322212123   >>      C3123121111331312121111331333133313331333121333132313331322212122   >>