Ring

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