C3123121111331312121111331333132313331333133313331211113311221123122331   >>    C312312111133131212111133133313231333133313331333121111331122112312233   <<    C3123121111331312121111331333132313331333133313331211113311221123122333   >>      C3123121111331312121111331333132313331333133313331211113311221123122332   >>