BB火炉

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