C3123121111331312121111331333133313231333132331211113313113313232321331122311   >>    C312312111133131212111133133313331323133313233121111331311331323232133112231   <<    C3123121111331312121111331333133313231333132331211113313113313232321331122313   >>      C3123121111331312121111331333133313231333132331211113313113313232321331122312   >>