Valideringskod
*******  *     *  *     *    ***    ******   
*        **   **  *     *   *   *   *     *  
******   * * * *  *     *  *   * *  *     *  
      *  *  *  *  *  *  *  *  *  *  ******   
      *  *     *  * * * *  * *   *  *   *    
*     *  *     *  **   **   *   *   *    *   
 *****   *     *  *     *    ***    *     *