<?xml version="1.0" encoding="UTF-8"?>
<parttree>
	<part partid="0" name="car">
		<part partid="1" name="engine">
			<part partid="3" name="piston"/>
		</part>
		<part partid="2" name="door">
			<part partid="4" name="window"/>
			<part partid="5" name="lock"/>
		</part>
	</part>
	<part partid="10" name="skateboard">
		<part partid="11" name="board"/>
		<part partid="12" name="wheel"/>
	</part>
	<part partid="20" name="canoe"/>
</parttree>