+-------------------------------------------------------------+        
     16 |-+        +        +        +       **        +        +   +-| 16     
        |                                    ***                      |        
     14 |-+**                                * *                    +-| 14     
        | * *                          *     *  *                     |        
     12 |-* *                         * *    *  *                   +-| 12     
        | *  *                        * *   *   **                    |        
     10 |-*  *                       *  *   *     *                 +-| 10     
        |**   *             ***      *  *  *       *    *             |        
      8 |**   *      *      ** *    *    ***       *** ***       *  +-| 8      
        |     *     **      *  *    *    **          * * *       **   |        
      6 |-+   ****  **     *   *    *    *           * * *      * * +-| 6      
        |      *****  *    *   *   *                 * *  *    ** *   |        
      4 |-+           **** *   **  *                  *   *   *    **-| 4      
        |                 *      * *                      *   *    ** |        
      2 |-+                      ***                      *   *     +*| 2      
        |                         **                       ** *      *|        
      0 |-+                       *                         **      +-| 0      
        | +        +        +        +        +        +    **  +     |        
     -2 +-------------------------------------------------------------+-2      
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      A Week Ago                                                     Now