|                               |
====+===============================+=====        Locust
    |                               |
    |                               |
    |                               |
    |                Warnock        |
    |                               |
    +------------------+------------+  Irving
    |                  |            |
    |                  |            |
    |                  |* 255       |
    |                  |            |
    |                  |            |
    |                  |            |
====+==================+============+=====        Spruce
    |                               |

    11                             10