<p><span class="h-card" translate="no"><a href="https://mathstodon.xyz/@christianp" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>christianp</span></a></span> I apologise. I'm not a mathematician, and the intent of the message was to highlight that the underlying question seemed simple enough that there was such a simple solution. My goal was to be corrected so I could learn what I missed.</p><p>I wouldn't dream of suggesting that I somehow figured out a solution that someone who is actually competent in maths would not already know.</p><p>Re-reading my post makes it obvious how it could come across that way.</p>