_:genid2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> _:genid1 .
_:genid1 <http://www.example.org/ns#prop2> <http://example.org/node2> .
_:genid4 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> _:genid3 .
_:genid2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> _:genid4 .
_:genid3 <http://www.example.org/ns#prop3> <http://example.org/node3> .
_:genid4 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> <http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .
<http://example.org/node1> <http://www.example.org/ns#prop1> _:genid2 .