|  | C1311213331333132332133313331333133313331333133313331333133313331323133313231323132121 
  >> |  | C131121333133313233213331333133313331333133313331333133313331333132313331323132313212 
  << |  | C1311213331333132332133313331333133313331333133313331333133313331323133313231323132123 
  >> |  |