Will someone explain the corridor door puzzle?

[Hypersapien]

You're supposed to turn on the lights and see the shapes under the floor. Take the four shapes indicated by the poster and add the number of sides to the numbers on the door on the opposite side.

The shapes are square, triangle, triangle triangle. That gives you 4,3,3,3.

The number on the other side of the door is 1352

That SHOULD give you 5,6,8,5 but that doesn't work.

The number that the guide gives, and that does actually work is 4,6,9,6. Even if I put the numbers from the shapes in from the bottom up, that would give me 4,6,8,6 one number off from the solution.

Can someone explain what I'm missing?

[Talus]

The paper shows a double rectangle on one side and a single rectangle on the opposite side. These represent the doors in the corridor. If you change the angle that you are looking at the shapes so that the double door is at (the top if I recall the paper) then you'll see that the shapes line up.

[Hypersapien]

I thought that was what I was doing.

I don't want to play through the whole game again to confirm it.

[dudvlal]

Check the location of the door
There is a door that opens on both sides and one door, so it's possible that you're looking at the ticket upside down.