|  | C312312111111331312111133133313121111133313113313231333133313331333133313331323133313331211111321131 
  >> |  | C31231211111133131211113313331312111113331311331323133313331333133313331333132313331333121111132113 
  << |  | C312312111111331312111133133313121111133313113313231333133313331333133313331323133313331211111321133 
  >> |  |