|  | C31231211111133131211113313331312111113331311331333112331333133313331333133313111211 
  >> |  | C3123121111113313121111331333131211111333131133133311233133313331333133313331311121 
  << |  | C31231211111133131211113313331312111113331311331333112331333133313331333133313111213 
  >> |  |