|  | C31231211111133131211113313231333133313231333132313331333133313331333132213331323333321 
  >> |  | C3123121111113313121111331323133313331323133313231333133313331333133313221333132333332 
  << |  | C31231211111133131211113313231333133313231333132313331333133313331333132213331323333323 
  >> |  |