|  | C1111233131211111211113313331333133313232321333133313331333231333132313331333133313112113231 
  >> |  | C111123313121111121111331333133313331323232133313331333133323133313231333133313331311211323 
  << |  | C1111233131211111211113313331333133313232321333133313331333231333132313331333133313112113233 
  >> |  |