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@Atticus As you stated, the question is a borderline PSQ because not much effort was shown. It's like a 1-minute throwaway effort. It would have been much better to vote to close and ask the asker to improve the question before voting to reopen. Upvotes do not mean anything; some users always upvote questions that they gain rep from, and far better questions get no upvotes.

That said, since this is a new user and nonzero effort was shown (no matter how small), it's nowhere as bad as recalcitrant PSQ producers.

@user21820 Thank you for your advice. I'll keep it in mind in the future.

Elementary POOF of strong Goldbach conjecture.

D1, D2, D3.

D4, D5, D6.

D7, D8, D9.

D10, D11, D12.

D13, D14, D15.

C1, C2, C3.

C4, C5, C6.

C7, C8, C9.

C10, C11, C12.

C13, C14, C15.

@user21820 You've already posted, and I've already voted to delete D3, D5, D6, D10, D12, D14, D15...that's seven of fifteen wasted links I had to click.

@amWhy Sorry I posted some again because they still needed votes.

Now all except D6 gone, so thanks!

PSQ contest problem reposted by OP after it was correctly deleted. See Martin's link to the original deleted post.