|  | C1111233131211111211113313331333133313331312331333131211111211113313231333133313231323131131 
  >> |  | C111123313121111121111331333133313331333131233133313121111121111331323133313331323132313113 
  << |  | C1111233131211111211113313331333133313331312331333131211111211113313231333133313231323131133 
  >> |  |