|  | C2221333133313331311233132313331333133313331323312111113113313331312111133133312111133232131 
  >> |  | C222133313331333131123313231333133313331333132331211111311331333131211113313331211113323213 
  << |  | C2221333133313331311233132313331333133313331323312111113113313331312111133133312111133232133 
  >> |  |