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