|  | C31231211113313121211113313331333133313311211331333133313331333133313331312111111222121 
  >> |  | C3123121111331312121111331333133313331331121133133313331333133313331333131211111122212 
  << |  | C31231211113313121211113313331333133313311211331333133313331333133313331312111111222123 
  >> |  |