<!DOCTYPE ksudoku-graph>
<ksudoku-graph>
 <graph sizeX="4" sizeY="4" sizeZ="1" ncliques="12" order="4" 
type="custom" specific-type="Plain" name="4x4">
  <sudokugroups at="0" withblocks="1" />
 </graph>
</ksudoku-graph>
