|  | C1111233131211111211113313331333133313232313331333133313331311331331121111331333133313221213321 
  >> |  | C111123313121111121111331333133313331323231333133313331333131133133112111133133313331322121332 
  << |  | C1111233131211111211113313331333133313232313331333133313331311331331121111331333133313221213323 
  >> |  |