C3123121111331312121111331333133313231333132331211113313113313232321331123221   >>    C312312111133131212111133133313331323133313233121111331311331323232133112322   <<    C3123121111331312121111331333133313231333132331211113313113313232321331123223   >>      C3123121111331312121111331333133313231333132331211113313113313232321331123222   >>