<!DOCTYPE ksudoku-graph>
<ksudoku-graph>
 <graph sizeX="9" sizeY="9" sizeZ="1" ncliques="29" order="9" 
type="custom" specific-type="XSudoku" name="XSudoku">
  <sudokugroups at="0" withblocks="1" />
  <clique size="9" >0 10 20 30 40 50 60 70 80 </clique>
  <clique size="9" >8 16 24 32 40 48 56 64 72 </clique>
 </graph>
</ksudoku-graph>
