|  | C111123313121111121111331333133313331333131233133313113313331333133313331333121111331311211112121 
  >> |  | C11112331312111112111133133313331333133313123313331311331333133313331333133312111133131121111212 
  << |  | C111123313121111121111331333133313331333131233133313113313331333133313331333121111331311211112123 
  >> |  |