<?xml version="1.0"?>
<robot>
<structure>
<loop elements = "0, 2, 4, 6, 8, 10, 12, 14, 16, 18"/>
<turn elements = "1, 3, 5, 7, 9, 11, 13, 15, 17, 19"/>
</structure>
<sensors>
<accel elements = "turn"/>
</sensors>
<actuators>
</actuators>
</robot>
