Open the elevator door and enter.
Get the binoculars from the right side.
Get out of the elevator and move to the opposite side.
Look up and use the binoculars to see the place where the wall is broken.
90 deg to the right → 180 deg to the left → 270 deg to the right → 180 deg to the leftApproach the drawer of the workbench where there is a knife stuck into it and enlarge the metal fixture.
Check that it turns 90 deg every time it is tapped. The "Move 90 deg to the right → 180 deg to the left → 270 deg to the right → 180 deg to the left" written on the wall corresponds to the movement.
Right 1, Left 2, Right 3, Left 2.Open the drawer and get the remote controller from inside.