|  | C1111233131211111211113313331333133313331312331333131211111211111133133313331333132313232333131 
  >> |  | C111123313121111121111331333133313331333131233133313121111121111113313331333133313231323233313 
  << |  | C1111233131211111211113313331333133313331312331333131211111211111133133313331333132313232333133 
  >> |  |