|  | C1111233131211111211113313231333133313331323221211113313311211113313331333131121132332321 
  >> |  | C111123313121111121111331323133313331333132322121111331331121111331333133313112113233232 
  << |  | C1111233131211111211113313231333133313331323221211113313311211113313331333131121132332323 
  >> |  |