_:genid1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> "1"^^<http://www.w3.org/2001/XMLSchema#integer> .
_:genid1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> <http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .
_:genid2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> "2"^^<http://www.w3.org/2001/XMLSchema#integer> .
_:genid2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> <http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .
_:genid3 <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> _:genid1 .
_:genid3 <http://www.w3.org/1999/02/22-rdf-syntax-ns#rest> _:genid2 .
<http://a.example/s> <http://a.example/p> _:genid3 .