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