|  | C31231211113313121211113313331323133313331333133313121111121111331333133313121111331313232111 
  >> |  | C3123121111331312121111331333132313331333133313331312111112111133133313331312111133131323211 
  << |  | C31231211113313121211113313331323133313331333133313121111121111331333133313121111331313232113 
  >> |  |