C3123121111331312121111331333132313331333133313221211113313231122233121   >>    C312312111133131212111133133313231333133313331322121111331323112223312   <<    C3123121111331312121111331333132313331333133313221211113313231122233123   >>      C3123121111331312121111331333132313331333133313221211113313231122233122   >>