If anyone is interested in talking about the puzzle app itself, I think I found a generated puzzle with two valid solutions (posted on the author's substack --

If anyone is interested in talking about the puzzle app itself, I think I found a generated puzzle with two valid solutions (posted on the author's substack -- not sure if it's the same as the submitter). Unfortunately, it doesn't let you step back or even restart once you've solved. Here's the screenshot -- of the four remaining sixes, either of the two diagonally-opposite pairs should work (top-left and bottom-right or top-right and bottom-left): https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirbBSd91xvgryc0ifU0rfr8OHhJda5aq-Q-5lprDdlp6Out4soviDUxwxEK793XZE6JpOaf-MLTqfypNMQh_MNicKXAwRFrx7MI8stxV16LL_KSf70vTjZ9KvDNd4jbQgNPsyqi73vcSJaLP1H8TYVKK8GCSYeD5yi37FzrxzSW6iDgwNAgx6a9wzxbg/s320/2solutions.png https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi...