            |
|                   /        *           *        \                   |
|                  /       *               *       \                  |
|                 /   C a s e             C a s e   \                 |
|                /     *                       *     \                |
|               /    *                           *    \               |
|              /   *                               *   \              |
|             /  *                                   *  \         