Jigsaw Trauma

Finally made a start on my Glen Coe Mazzle (map jigsaw puzzle) and got the outer edge finishes. Had a slight trauma as, on my first attempt I had two pieces left over. I had 28 on the top edge and only 26 on the bottom!!
I can tell it’s going to be a toughie, think I will do all the forest greenery first, then the lochs and rivers and then tackle the rest.