_:b56858493 . _:b56858490 . _:b56858490 . _:b56858493 "frequency" . _:b56858491 "C0871396" . _:b56858491 "T081" . _:b56858490 . _:b56858492 . _:b56858490 "1"^^ . _:b56858492 _:b56858493 . _:b56858490 _:b56858492 . _:b56858490 _:b56858491 .