21.   But after the meeting, protesters trapped him inside for several hours by crowding around the exits.

22.   But hour by hour, the quality veers from absorbing and illuminating to eye-glazingly familiar.

23.   But the harvesting of cat pelts and a loud knock on the door in the early morning hours by men with needles?

24.   But those squads usually travel at most a few hours by car.

25.   Charting the heat in Atlanta, hour by hour.

26.   Can you get in a couple of uninterrupted hours by ignoring the phone?

27.   During high school, Houellebecq spent hours by himself watching trains at the station next door.

28.   Fong was questioned under oath for several hours by attorneys for the House Government Reform and Oversight Committee in his Los Angeles office earlier this week.

29.   He suffered a graze wound of the head and was pinned down for hours by the gunfire and its aftermath.

30.   Hour by hour.