|  | C13112133313331323321333133313331333133313331333133313331333133313331312111113331333211331 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313331333131211111333133321133 
  << |  | C13112133313331323321333133313331333133313331333133313331333133313331312111113331333211333 
  >> |  |