After you've obtained the feather ahd the woman has cleaned her wall you have to fix the relief.
Take up one slab on the floor and put it in its right place on the relief
From left to right :
- The first piece goes to the bottom right.
- The second piece goes to the middle.
- The third piece goes to the upper right.
- The fourth and last piece goes to left.
The faces on the woman's wall are the combination to the door.