...looked rather trickier than I might have expected - I would say the same for the orange and yellow as well. Particularly some of the longer legs which required quite a level of confidence over an extended time.
Have to say I thought yellow was the most eyebrow raising. Not sure if there were any tapes but I didnt see any on the control I found near my 2nd last (which I couldn't figure out what feature it was on - spur as it turns out) and it was not on any line feature I could see.