The elevator shaft was inside, facing the court; and the stair head was on the Gregor side of the elevator.

The two entrances faced each other across the landing.
As Kitty opened her door to step outside she was nonplussed to see two men issue cautiously from the Gregor door.

The moment they espied her, however, there was a mad rush for the stair head.

She could hear the thud of their feet all the way down to the ground floor; and every footfall seemed to touch her heart.

One of them carried a bundle.
She breathed quickly, and she knew that she was afraid.