SIDE CENTERS
Ahhhh, the last step. In these final moves, we will be constructing the rest of the cube piece by piece. There is a common theme to all of these possible moves below. They all share the same core move, but all are preceded and finished with a few Preparation/Finishing Moves.
Simply find a piece that is out of place, and if it belongs on an adjacent (not opposite) face, you will be able to use one of the images below to put that piece in place.