Geometric Ring

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