The Quiet Crossing
Four ways would meet here if the eastern one were open. It is not: the stone runs unbroken where an opening ought to be, and it is a different colour from the rest, and it was closed from this side. There is a hollow sound behind the eastern wall, as though the stone were not solid.
Depth 2
You are reading the dungeon, not walking it. Rooms are only created by people, and only from inside the maze.