_:b670470451 . _:b670470448 _:b670470451 . _:b670470449 . _:b670470449 . _:b670470451 . _:b670470448 . _:b670470450 . _:b670470451 _:b670470450 . _:b670470449 . _:b670470450 _:b670470449 . _:b670470448 . _:b670470449 . _:b670470450 .