|  | C31231211113313121211113313331333133313311211331333133313331311331333131133133313121111132311233131 
  >> |  | C3123121111331312121111331333133313331331121133133313331333131133133313113313331312111113231123313 
  << |  | C31231211113313121211113313331333133313311211331333133313331311331333131133133313121111132311233133 
  >> |  |