|  | C13112133313331323321333133313331333133313331333133313331333133313121111121111133313233221211 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313331312111112111113331323322121 
  << |  | C13112133313331323321333133313331333133313331333133313331333133313121111121111133313233221213 
  >> |  |