|  | C1111233131211111211113313331333133313232313331333133313331312111133133313331323131322321 
  >> |  | C111123313121111121111331333133313331323231333133313331333131211113313331333132313132232 
  << |  | C1111233131211111211113313331333133313232313331333133313331312111133133313331323131322323 
  >> |  |