Trigons are a new logic problem from "The Daily Telegraph" newspaper, the numerical equivalent of crosswords. Specially designed to exercise your deductive powers, the leave no room for flabby thinking. Instructions are provided and answers included at the back.
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Trigons are a new logic problem from "The Daily Telegraph" newspaper, the numerical equivalent of crosswords. Specially designed to exercise your deductive powers, the leave no room for flabby thinking. Instructions are provided and answers included at the back.
Read Less
