|  | C312312111111331312111133133313331331121111331333133313231311331333133313113313231333112121 
  >> |  | C31231211111133131211113313331333133112111133133313331323131133133313331311331323133311212 
  << |  | C312312111111331312111133133313331331121111331333133313231311331333133313113313231333112123 
  >> |  |