|  | C1111233131211111211113313331333133313232321333133313331333133313231333133313232223221 
  >> |  | C111123313121111121111331333133313331323232133313331333133313331323133313331323222322 
  << |  | C1111233131211111211113313331333133313232321333133313331333133313231333133313232223223 
  >> |  |