+--------------------------------------+
|                                      |
|                                      |
|     *                               *|
|     *              *                 |
|     ***          ***                 |
|   ***        **                      |
|    **                                |
|                                     *|
|                                      |
|                                 *    |
|   **                      **         |
|   *                      ***         |
|  *                        ***        |
| **                *       ***   *    |
|                  ***        *  ***   |
|                  ***            **   |
|                                 *    |
|                                      |
+--------------------------------------+