<nodes>

    <node id="absBeg" x="-500" y="0" type="priority"/>

    <node id="begleft" x="0" y="500" type="priority"/>
    <node id="beg" x="0" y="0" type="priority"/>

    <node id="mid" x="500" y="0" type="traffic_light"/>
    <node id="midmin" x="500" y="-20" type="priority"/>
    <node id="midmax" x="500" y="20" type="priority"/>


    <node id="endleft" x="1000" y="500" type="priority"/>
    <node id="end" x="1000" y="0" type="priority"/>

    <node id="absEnd" x="1500" y="0" type="priority"/>
    <node id="rabsEnd" x="2000" y="0" type="priority"/>

</nodes>
