|  | C31231211111133131211113313331323133313331311233133313311211111211113313331333131223321 
  >> |  | C3123121111113313121111331333132313331333131123313331331121111121111331333133313122332 
  << |  | C31231211111133131211113313331323133313331311233133313311211111211113313331333131223323 
  >> |  |