<!-- set: ai sw=1 ts=1 sta et -->
<fixed_layout name="test4" width="6" height="6">
 <col     type="EMPTY" startx="0" priority="30"/>
 <col     type="PIO_L" startx="1" priority="10"/>
 <region  type="PLB"   startx="2" endx="3" starty="2" endy="3" priority="4"/> <!-- Logic blocks 2x2 -->
 <col     type="PIO_R" startx="4" priority="10"/>
 <col     type="EMPTY" startx="5" priority="30"/>

 <row     type="EMPTY" starty="0" priority="31"/>
 <row     type="PIO_B" starty="1" priority="11"/>
 <!-- starty="2" endy="3" -->
 <row     type="PIO_T" starty="4" priority="11"/>
 <row     type="EMPTY" starty="5" priority="31"/>

 <!-- Create empty blocks at all corners -->
 <single  type="EMPTY" x="1" y="1" priority="40"/>
 <single  type="EMPTY" x="4" y="1" priority="40"/>
 <single  type="EMPTY" x="1" y="4" priority="40"/>
 <single  type="EMPTY" x="4" y="4" priority="40"/>

</fixed_layout>