Exit the conference room and cross the hallway with the wooden floor into the hallway with the tile floor directly across from the conference room you started in.
Turn right and walk along the table and exit out the doorway at the other end. Cross over the wood hallway and enter the white and black floored hallway. Stop once you are in the hallway facing the other end.
Exit the dining room. Move straight across the hall onto the black and white floor. Stop outside the doorway on the right to the room with a black and white pattern on the wall.