_:B1b8c57a9e9f80991b19c80164225d3f9 . _:B1b8c57a9e9f80991b19c80164225d3f9 . _:B1b8c57a9e9f80991b19c80164225d3f9 . "1973-12-31"^^ . "1639-01-01"^^ . . _:B1b8c57a9e9f80991b19c80164225d3f9 . .