|  | C31231211111133131211113313231333133313231333132313331333133313331331121111133313123221 
  >> |  | C3123121111113313121111331323133313331323133313231333133313331333133112111113331312322 
  << |  | C31231211111133131211113313231333133313231333132313331333133313331331121111133313123223 
  >> |  |