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I am not sure though, what's your opinion? I think answers hidden should be good to avoid copying of answers, seems fairer to me
hope to see even more responses next time!

I guess what he means is that their answers should remain hidden even after the competition has ended?

I'm keeping an open mind on this. I've done similar things before on other forums and like those Aha! moments from people who suddenly get it with a few nudges. I usually wait for such hints till there is an obvious good answer already so as not to skew the winner.

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