<structure>
	<university id="u">
		<university id="u1">
			<faculty id="f11">
				<department id="d111">
					<group id="g1111"/>
					<group id="g1112"/>
				</department>
			</faculty>
		</university>
		<filial id="u2">
			<faculty id="f21">
			</faculty>
			<faculty id="f22">
			</faculty>
		</filial>
	</university>
</structure>
    
