11.   Through the guts of an antiquated building, they climbed five flights of stairs.

12.   To get to the East Village apartment of Sharon and Ofer Levy you have to climb four flights of stairs so steep they seem to lean backward.

13.   Tickets in hand, they climbed six flights of stairs to the upper concourse.

14.   When he learned that she climbed two flights of stairs to teach a Sunday school class, Rippe told her to give it up.

15.   Non-working escalators forced some people to climb several flights of stairs.

16.   Then he gathered his robes around him and climbed two flights of stairs to lead the monks and nuns in meditation.

17.   To enter the house, one has to climb a flight of stairs made from clay and buffalo dung.

18.   When he was able to move about, he would get winded just climbing a flight of stairs.