|  | C3123121111113313121111331333133313223313331333133313233313231333133313331121131 
  >> |  | C312312111111331312111133133313331322331333133313331323331323133313331333112113 
  << |  | C3123121111113313121111331333133313223313331333133313233313231333133313331121133 
  >> |  |