Hi there! Thanks for the advice! I'm not sure what you mean by running diagonally, though? Wouldn't Lacie just stop if she runs into a wall/corner block?
Right now I'm using SHIFT and the arrow keys. When I use the arrow keys to go around the corners, Lacie slows down, and I often make a mistake and get stuck at the wall. Even if I don't get stuck, the corners really slow me down and I get caught.