<http://schema.org/position>
"1"^^<http://www.w3.org/2001/XMLSchema#integer>
<http://www.disneycentralplaza.com/t24800-regle-n3-ne-pas-poster-plus-d-un-indice-par-page-ni-plus-d-une-proposition-reponse-apres-chaque-indice-enigme-le-film-mystere>