the Q&A you are using is interesting but it may not work very long. if you put that question in google the bots can probably find the answer on the first page.
also, it is a multiple choice question. the bots will just answer with several options and will hit the right one probably on the first try.
also, when I ran the question in search, one of the answers I found was: " 2, but the one on the bottom gets all scratched up". I really laughed at that.
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