|  | C31231211111133131211113313231333133313231333132313331333133313331313331333133313112211232323131 
  >> |  | C3123121111113313121111331323133313331323133313231333133313331333131333133313331311221123232313 
  << |  | C31231211111133131211113313231333133313231333132313331333133313331313331333133313112211232323133 
  >> |  |