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