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