"I'm pretty sure we can find you an empty cell on the tenth floor," I said.

Place a piece in hand on any empty cell of the board.

There was the sound of footsteps just as she drew level with the first empty cell.

Sure enough, he found the man sitting alone, staring vaguely around the empty cell.

The players move the pieces into empty cells until someone wins.

The only entertainment he had was a whole bunch of empty cells exactly like his.

A lot of empty cells, and one with you in it.

Trying an empty cell to be a box (or then a space).

Butler turned the key and opened the door on an empty cell.

When Gabriel opens his eyes, he is still on the ground, in the empty cell, with the door open.