|  | C1111233131211111211113313331333133313232313331333133313331331121111133313331311331323232321 
  >> |  | C111123313121111121111331333133313331323231333133313331333133112111113331333131133132323232 
  << |  | C1111233131211111211113313331333133313232313331333133313331331121111133313331311331323232323 
  >> |  |