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