|  | C13112133313331323321333133313331333133313331333133313331312111112111133132313231323131131 
  >> |  | C1311213331333132332133313331333133313331333133313331333131211111211113313231323132313113 
  << |  | C13112133313331323321333133313331333133313331333133313331312111112111133132313231323131133 
  >> |  |