sentences:  In some papers this took until about 1960.Puzzles appeared in "The Listener" from 1930, but this was a weekly magazine rather than a newspaper, and the puzzles were much harder than the newspaper ones, though again they took a while to become entirely cryptic.Torquemada's puzzles were extremely obscure and difficult, and later setters reacted against this tendency by developing a standard for fair clues, ones that can be solved, at least in principle, by deduction, without needing leaps of faith or insights into the setter's thought processes.