'(graphml
  (graph
   (node id="n0")
   (node id="n1")
   (node id="n2")
   (node id="n3")
   (node id="n4")
   (node id="n5")
   (node id="n6")
   (node id="n7")
   (node id="n8")
   (node id="n9")
   (node id="n10")
   (edge source="n0" target="n2")
   (edge source="n1" target="n2")
   (edge source="n2" target="n3")
   (edge source="n3" target="n5")
   (edge source="n3" target="n4")
   (edge source="n4" target="n6")
   (edge source="n6" target="n5")
   (edge source="n5" target="n7")
   (edge source="n6" target="n8")
   (edge source="n8" target="n7")
   (edge source="n8" target="n9")
   (edge source="n8" target="n10")))


'(graph-container nil
  (node id="n0")
  (node id="n1")
  (node id="n2")
  (node id="n3")
  (node id="n4")
  (node id="n5")
  (node id="n6")
  (node id="n7")
  (node id="n8")
  (node id="n9")
  (node id="n10")
  (edge source="n0" target="n2")
  (edge source="n1" target="n2")
  (edge source="n2" target="n3")
  (edge source="n3" target="n5")
  (edge source="n3" target="n4")
  (edge source="n4" target="n6")
  (edge source="n6" target="n5")
  (edge source="n5" target="n7")
  (edge source="n6" target="n8")
  (edge source="n8" target="n7")
  (edge source="n8" target="n9")
  (edge source="n8" target="n10"))