20 +------------------------------------------------------------------+   
        |        +        +         *         +        +         +         |   
        |                           *         *        *                   |   
     18 |-+                        * *        **       *                 +-|   
        |*                 *       *  *      ***       ***                 |   
     16 |*+       *       **       *  *      * *      *****      **      +*|   
        |*       **      ** *      *  *      * *      ** **      **       *|   
        |*      ** **    *   **   *    *     * *      **   *    *  *      *|   
     14 |-*     *  ****  *    **  *    *     *  *     *    *** *   *     +*|   
        | *     *     ***      ****     *    *  *     *      ***   *     * |   
        | *    *                        *    *  ***   *            *     * |   
     12 |-+*   *                        *   *    **   *            *     *-|   
        |  ** **                        *   *     **  *            *     * |   
     10 |-+ ***                          *  *       **              **   *-|   
        |                                 ***       **              ***  * |   
        |                                  **                         *  * |   
      8 |-+                                                           ** *-|   
        |                                                              *** |   
        |        +        +         +         +        +         +      *  |   
      6 +------------------------------------------------------------------+   
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        A Week Ago                                                     Now