Key Necklace

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