|  | C131121333133313233213331333133313331333133313331333133313331333133313133313232212323131 
  >> |  | C13112133313331323321333133313331333133313331333133313331333133313331313331323221232313 
  << |  | C131121333133313233213331333133313331333133313331333133313331333133313133313232212323133 
  >> |  |