|  | C31231211113313121211113313331333133313311211331333133313331311331333131133133313112211232212111 
  >> |  | C3123121111331312121111331333133313331331121133133313331333131133133313113313331311221123221211 
  << |  | C31231211113313121211113313331333133313311211331333133313331311331333131133133313112211232212113 
  >> |  |