I doubt some of the map and control sites should have been used today. You were right about the mapping along the beach and I certainly can't see a white patch on my map at No 26 so I would argue it shouldn't have been used post-print test.
Lots wrong today. Didn't start well with #1. Description was a tree. Control on a tree in a bit of white with a number of trees. Reminds me of the early days: remember the difference between 'the tree' and 'a tree' ?