The Puzzle

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Pugh came into my room holding something wrapped in a piece of brown paper.

"Tress, I have brought you something on which you may exercise your ingenuity." He began, with exasperating deliberation, to untie the string which bound his parcel; he is one of those persons who would not cut a knot to save their lives. The process occupied him the better part of a quarter of an hour. Then he held out th