Chain

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