wow, another fantastic level, although this is nowhere near as hard it appears once you find the right plan.
BUT......i totally stumbled across the right way of doing it simply because my fingers were panicking, i was trying to do it another way (the wrong way

) but once i'd done it by accident and thought about what i did
wrong, i tried it another 5 times and got it right 4 out of 5.
i've now just read luc's clue, and having done it i understand it, but if i'd read it first i'm not sure whether it would have helped or not!
