|  | C1111233131211111211113313331333133313232313331333133313131211113313331333133313331333133321333131 
  >> |  | C111123313121111121111331333133313331323231333133313331313121111331333133313331333133313332133313 
  << |  | C1111233131211111211113313331333133313232313331333133313131211113313331333133313331333133321333133 
  >> |  |