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