Chain

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