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