|  | C11111333133313232233133313331333133313331333333121111121111113313231333133313331333133313121221 
  >> |  | C1111133313331323223313331333133313331333133333312111112111111331323133313331333133313331312122 
  << |  | C11111333133313232233133313331333133313331333333121111121111113313231333133313331333133313121223 
  >> |  |