1.   Climbing five flights of stairs with all those bags was absolute bloody agony.

2.   We had to climb another flight of stairs to get to the roof.

3.   The door was unlocked, we climbed a flight of cold, damp, mildewed steps, another door opened and we stepped into an oval-shaped chamber.

4.   But instead of taking an elevator, guests assigned a room on the third story must climb three flights of stairs.

5.   He also climbs five flights to his East Village apartment.

6.   It is hard to maintain a team of people who both know how to assemble furniture and are willing to climb four flights of stairs to do it.

7.   It responds instantly when the body demands more blood flow in order to rise from a chair or climb a flight of stairs.

8.   Sidiki Conde climbs five flights to his East Village apartment.

9.   So I reverse field and climb four flights of stairs.

10.   The Ibot can even climb a flight of stairs.