Chain

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