_:b57003004 _:b57003005 . _:b57003002 _:b57003004 . _:b57003003 "T169" . _:b57003005 . _:b57003002 _:b57003003 . _:b57003002 . _:b57003002 . _:b57003002 . _:b57003003 "C1522492" . _:b57003004 . _:b57003002 "1"^^ . _:b57003005 "formation" .