|  | C3123121111113313121111331333133313121111121111333121111113313331333132313331323113121 
  >> |  | C312312111111331312111133133313331312111112111133312111111331333133313231333132311312 
  << |  | C3123121111113313121111331333133313121111121111333121111113313331333132313331323113123 
  >> |  |