i am sanding and restoring original floorboards but an old fireplace has been taken out and new boards put in where the hearth was.they are out of line not as wide and look a mess how can i correct this bearing in mind i am going to stain it all the same colour after i don't want this area to spoil the look also there is one right in the middle of the floor which caNT BE COVERED OVER with furniture etc. thanks in anticipation for your replies