|  | C13112133313331323321333133313331333133313331333133313331333133313331312111113112131 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313331333131211111311213 
  << |  | C13112133313331323321333133313331333133313331333133313331333133313331312111113112133 
  >> |  |