Portachiavi Lucchetto Numerato

   *****   *******   *****    *****    *****    *****   
  *     *  *        *     *  *     *  *     *  *     *  
  *     *  *              *        *  *     *  *        
   *****   ****          *        *    *****   *        
  *     *  *           **       **    *     *  *        
  *     *  *         **       **      *     *  *     *  
   *****   *        *******  *******   *****    *****