_:b21128 . _:b21541 . . _:b21542 . _:b21543 . _:b21541 . _:b21544 . _:b21545 . _:b21543 . _:b21128 . _:b21544 . _:b21545 . _:b21546 . _:b21542 . _:b21546 . "tai06_DSD" .