|  | C1111233131211111211113313331333133313232313331333133313331331121111112113313331323112111 
  >> |  | C111123313121111121111331333133313331323231333133313331333133112111111211331333132311211 
  << |  | C1111233131211111211113313331333133313232313331333133313331331121111112113313331323112113 
  >> |  |