You will have to remove two planks to get through.

I will pass a javelin through.

You can set to work with it, and bore holes through the plank close to the floor; and then, with the dagger, cut away the wood between them.

When you have done them, set to at the top, close to the beams, and cut the two planks through there.

There are sacks of grain piled up against them on this side, so that there is no fear of your being observed from here.