Clock

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