Halo-Style Cluster Necklace

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