Leaf Ring

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