31.   In a game, you learn because simple rules have a way of combining in complicated ways.

32.   It reasoned, correctly, that the rule had to be waived to keep the newspaper from going out of business.

33.   Ms. Vorisek said a butcher rule has another advantage.

34.   More than that, though, traffic rules have a purpose.

35.   Nevertheless, those rules could have an immediate impact on the stock performance of both local and long-distance companies.

36.   Officials said the case illustrates the difficulties of adhering to U.S. legal standards in markets like Russia, where the full rule of law has yet to be established.

37.   Of course, every rule has exceptions.

38.   One such rule has to do with symmetries of rotation.

39.   Open warfare, the extension of diplomacy by other means, has not broken out, if only because diplomatic rules have never prohibited hiding spies under diplomatic cover.

40.   Patriarchal rule has its advantages.