_:b20265 _:b20689 . _:b20374 . _:b19413 . _:b21030 _:b20374 . _:b20689 . _:b19412 . _:b21030 _:b19413 . _:b20374 . _:b19413 _:b20265 . _:b20265 . _:b19412 _:b21030 . _:b20689 .