input_connections.con.xml

<connections>

	<connection from="1i" to="3o"/>
	<connection from="2i" to="4o"/>
	<connection from="3i" to="1o"/>
	<connection from="4i" to="2o"/>
	<connection from="1o" to="7o"/>
	<connection from="2o" to="8o"/>
	<connection from="3o" to="5o"/>
	<connection from="4o" to="6o"/>

</connections>