The third paragraph in post #6 gives an outline of my strategy. Reiterating: the only thing I could instantly discern was it would need an odd number of reflections. Other than that, it is just an application of intuitive skill developed over time with practice.
I agree; the strategy is one of trial and error, but note that your error count will drop quickly with practice.
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I almost forgot I’m the protégée of a masterful troll. I should have said that your error count will drop quickly with practice, unless you are a dolt.
P.S. Don’t forget to give me points. Melody said my solution was “Brilliant” and worth a hundred points. So far, I only have five measly points on my solution post.
You know, it really is fun being a troll!