Chain

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