|  | C31231211113313121211113313331323133313331333133313121111121111133313331333133313211 
  >> |  | C3123121111331312121111331333132313331333133313331312111112111113331333133313331321 
  << |  | C31231211113313121211113313331323133313331333133313121111121111133313331333133313213 
  >> |  |