How to solve a Rubik's cube 5х5 - Step 7

In the beginning of this step You should have all solved layers except the last one. Rotate the cube like in the picture.

In the end of this step the pieces of the upper cross should be in their place. Their colors can be upturned.

Apply the formulae from the fourth step for the cube 3x3.
You need to move the central groups of three pieces between each other till they will be in their place. It’s not important how they are turned!