|  | C31231211111133131211113313331333131211111211113313113313331333131211113313331333132212131 
  >> |  | C3123121111113313121111331333133313121111121111331311331333133313121111331333133313221213 
  << |  | C31231211111133131211113313331333131211111211113313113313331333131211113313331333132212133 
  >> |  |