            /      |
|       \*           *                 *           */       |
|        \                                         /        |
|         \ *           *           *           * /         |
|          \                                     /          |
|           \  *           *     *           *  /           |
|            \                                 /            |
|             \   *           *           *   /             |
|              \                             /           