+---------------+
| S             |
|               |
|               |
|               |
|               |               +------------+
|               |       +---+   |     T      |
|               |       |   +---+     T      |
+-----------+-#-|       |   #         T      E
            |   |       |   +---+     T      |
            |   +-------+   |   |            |
            |               |   |     T      |
            +---------------+   +------------+