|  | C1111233131211111211113313331333133313231323331333131211113313331333133313231333132313331311323131 
  >> |  | C111123313121111121111331333133313331323132333133313121111331333133313331323133313231333131132313 
  << |  | C1111233131211111211113313331333133313231323331333131211113313331333133313231333132313331311323133 
  >> |  |