[okay, here we go, standing up...any minute now...here it comes...there we go, on his feet.]

Right-hand trick. You put your right hand on the right side of the maze and keep it there. See, if all the walls are connected, like in a hedge maze, then they could hypothetically be deformed into a loop or circle. Then wall following reduces to walking around a circle from start to finish. It's math.

[will pauses, then, looking a little embarrassed.] It's. In a book. [he already said that, but he feels like a nerd now.]