<connections>

    <connection from="emp" to="em" fromLane="0" toLane="0"/>
    <connection from="emp" to="em" fromLane="1" toLane="1"/>
    <connection from="emp" to="em" fromLane="1" toLane="2"/>
    <connection from="em" to="mw" fromLane="1" toLane="1"/>
    <connection from="em" to="ms" fromLane="2" toLane="1"/>
    <connection from="em" to="mn" fromLane="1" toLane="1"/>

    <connection from="wmp" to="wm" fromLane="0" toLane="0"/>
    <connection from="wmp" to="wm" fromLane="1" toLane="1"/>
    <connection from="wmp" to="wm" fromLane="1" toLane="2"/>
    <connection from="wm" to="me" fromLane="1" toLane="1"/>
    <connection from="wm" to="mn" fromLane="2" toLane="1"/>
    <connection from="wm" to="ms" fromLane="1" toLane="1"/>

    <connection from="smp" to="sm" fromLane="0" toLane="0"/>
    <connection from="smp" to="sm" fromLane="1" toLane="1"/>
    <connection from="smp" to="sm" fromLane="1" toLane="2"/>
    <connection from="sm" to="mn" fromLane="1" toLane="1"/>
    <connection from="sm" to="mw" fromLane="2" toLane="1"/>
    <connection from="sm" to="me" fromLane="1" toLane="1"/>

    <connection from="nmp" to="nm" fromLane="0" toLane="0"/>
    <connection from="nmp" to="nm" fromLane="1" toLane="1"/>
    <connection from="nmp" to="nm" fromLane="1" toLane="2"/>
    <connection from="nm" to="ms" fromLane="1" toLane="1"/>
    <connection from="nm" to="me" fromLane="2" toLane="1"/>
    <connection from="nm" to="mw" fromLane="1" toLane="1"/>
    
    
    <crossing node="0" edges="mw wm"/>
    <crossing node="0" edges="nm mn"/>
    <crossing node="0" edges="em me"/>
    <crossing node="0" edges="sm ms"/>

</connections>