_:b11640 . _:b11635 . _:b11640 . _:b11638 . _:b11635 _:b11636 . _:b11637 . _:b11639 _:b11640 . _:b11636 _:b11637 . _:b11637 _:b11638 . _:b11639 . _:b11636 . _:b11638 _:b11639 .