|  | C13112133313331323321333133313331333133313331333133313331333133313121111121133112131 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313331312111112113311213 
  << |  | C13112133313331323321333133313331333133313331333133313331333133313121111121133112133 
  >> |  |