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figures/ay 98 presentation w: reference to questions.013/ay 98 presentation w: reference to questions.013.png  figures/ay 98 presentation w: reference to questions.014/ay 98 presentation w: reference to questions.014.png  figures/ay 98 presentation w: reference to questions 15.001/ay 98 presentation w: reference to questions 15.001.png  Here_are_the_hand_drawn__.tex