_:b770307 . _:b686939 . _:b686939 . _:b729623 _:b770306 . _:b729623 . _:b686940 . _:b686939 . _:b770306 _:b686939 . _:b686940 . _:b686940 . _:b770307 _:b686940 . _:b770306 _:b770307 .