|  | C2221333133313331311233132313331333133313331323312111113113313331312111133133112133313232233121 
  >> |  | C222133313331333131123313231333133313331333132331211111311331333131211113313311213331323223312 
  << |  | C2221333133313331311233132313331333133313331323312111113113313331312111133133112133313232233123 
  >> |  |