|  | C31231211113313121211113313331333133313311211331333133313331311331333133322121111331333131111 
  >> |  | C3123121111331312121111331333133313331331121133133313331333131133133313332212111133133313111 
  << |  | C31231211113313121211113313331333133313311211331333133313331311331333133322121111331333131113 
  >> |  |