C3123121111331312121111331333133313331331121133133313332213232212331   >>    C312312111133131212111133133313331333133112113313331333221323221233   <<    C3123121111331312121111331333133313331331121133133313332213232212333   >>      C3123121111331312121111331333133313331331121133133313332213232212332   >>