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