_:b19738 "1"^^ . _:b20869 _:b19738 . _:b20869 _:b20870 . _:b20868 _:b19737 . _:b19740 "1"^^ . _:b19740 . _:b19737 . _:b19739 . _:b19739 . _:b19740 . _:b20868 _:b20869 . _:b19737 . _:b20871 _:b19740 . _:b19739 . _:b20870 _:b19739 . _:b19738 . _:b19738 . _:b20870 _:b20871 . _:b19737 . _:b20871 .