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