|  | C2221333133313331311233132313331333133313331323321111121111113313331333131211331311331 
  >> |  | C222133313331333131123313231333133313331333132332111112111111331333133313121133131133 
  << |  | C2221333133313331311233132313331333133313331323321111121111113313331333131211331311333 
  >> |  |