_:b686209 . _:b686210 . _:b686210 . _:b743170 . _:b686210 . _:b769866 _:b769867 . _:b743170 _:b769866 . _:b769867 _:b686210 . _:b686209 . _:b686209 . _:b769867 . _:b769866 _:b686209 .