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#sudoku

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SpaceLifeForm<p>A Sudoku for Tom Lehrer (RIP)</p><p>By Fulldeck and Missing a Few Cards. Their puzzles are always good.</p><p><a href="https://www.youtube.com/watch?v=89-Fw4oD9DU" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">youtube.com/watch?v=89-Fw4oD9DU</span><span class="invisible"></span></a></p><p><a href="https://infosec.exchange/tags/Sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sudoku</span></a></p>
Invisible Marcel 🌀<p>Een van de <a href="https://mstdn.social/tags/sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sudoku</span></a>’s in de <a href="https://mstdn.social/tags/Puzzelfit" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Puzzelfit</span></a> app kent mogelijk meerdere oplossingen, maar de app accepteert er maar 1. En als ik op de hint knop drukt klaagt ie over een veld dat volgens mij gewoon geldig is ingevuld. Ik kan geen fout ontdekken.</p>
Paul Schoonhoven 🍋🍉<p>🟩🟩🟩 🟩🟩🟩 🟩🟩🟩<br>🟩🟩🟩 🟩🟩🟩 🟩🟩🟩<br>🟩🟩🟩 🟩🟩🟩 🟩🟩🟩</p><p>🟩🟩🟩 🟩🟩🟩 🟩🟩🟩<br>🟩🟩🟩 🟩🟩🟩 🟩🟩🟩<br>🟩🟩🟩 🟩🟩🟩 🟩🟩🟩</p><p>🟩🟩🟩 🟩🟩🟩 🟩🟩🟩<br>🟩🟩🟩 🟩🟩🟩 🟩🟩🟩<br>🟩🟩🟩 🟩🟩🟩 🟩🟩🟩</p><p>Done ... 😅🙃</p><p>Speel iedere dag een nieuwe moeilijke sudoku! | Trouw.nl<br><a href="https://www.trouw.nl/games/ontdekken/sudoku~genre26" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">trouw.nl/games/ontdekken/sudok</span><span class="invisible">u~genre26</span></a> (alleen DPG abo)</p><p><a href="https://mastodon.nl/tags/sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sudoku</span></a></p>
Tal Vayas<p>NYT 03Jul2025 Sudoku easy 4:28<br><a href="https://mastodon.social/tags/gaming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>gaming</span></a> <a href="https://mastodon.social/tags/games" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>games</span></a> <a href="https://mastodon.social/tags/sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sudoku</span></a> <a href="https://mastodon.social/tags/NYTGames" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NYTGames</span></a></p>
vfig<p>Do you like Blue Prince? Do you like variant sudoku? Then why not try my new puzzle:</p><p>𝕭𝐋𝐔𝐄 𝕻𝐑𝐈𝐍𝐂𝐄: Build the rooms and traverse the passages of a mansion to reach the mysterious Room 10! </p><p><a href="https://logic-masters.de/Raetselportal/Raetsel/zeigen.php?id=000NWB" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">logic-masters.de/Raetselportal</span><span class="invisible">/Raetsel/zeigen.php?id=000NWB</span></a></p><p><a href="https://mastodon.gamedev.place/tags/blueprince" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>blueprince</span></a> <a href="https://mastodon.gamedev.place/tags/sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sudoku</span></a></p><p>(addendum: in case you get stuck solving this sudoku, i have now posted a full solution walkthrough: <a href="https://www.youtube.com/watch?v=U3SmaaIsy3Q" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=U3SmaaIsy3</span><span class="invisible">Q</span></a> )</p>
SpaceLifeForm<p>Grok and Gemini on Sudoku.</p><p>It would be an interesting test to give them a Sudoku puzzle that has 2 solutions.</p><p><a href="https://youtu.be/UPuVungHl0o?t=1203" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/UPuVungHl0o?t=1203</span><span class="invisible"></span></a></p><p><a href="https://infosec.exchange/tags/AI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AI</span></a> <a href="https://infosec.exchange/tags/Insanity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Insanity</span></a> <a href="https://infosec.exchange/tags/Sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sudoku</span></a></p>
SpaceLifeForm<p>Matt Parker learns some sudoku solving techniques for a problem he was not convinced was human solvable. He wrote a python program to brute force the solution. But Simon and Mark solved it in about an hour.</p><p>Matt had already figured out which of the actors in the puzzle were the liars, so that jumpstarted the solve.</p><p><a href="https://www.youtube.com/watch?v=WFZ6AMTXUJk" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">youtube.com/watch?v=WFZ6AMTXUJk</span><span class="invisible"></span></a></p><p><a href="https://infosec.exchange/tags/Math" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Math</span></a> <a href="https://infosec.exchange/tags/Maths" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Maths</span></a> <a href="https://infosec.exchange/tags/Sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sudoku</span></a></p>
Marcus Jaschen<p>Passend dazu: heute vor einem Jahr habe ich mein erstes 4-Sterne-Sudoku nach dem Bewertungsmaßstab bei Logic Masters gelöst.</p><p>Das hat mich so sehr gefreut, dass ich mir das extra aufgeschrieben habe. Der Schwierigkeitsmaßstab bei Logic Masters wird von den Leuten nicht-linear angewendet, sodass mir vier oder gar fünf Sterne im Normalfall viel zu schwierig sind. Drei Sterne dagegen sind aber überwiegend gut machbar.</p><p><a href="https://skylightaccess.de/tags/sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sudoku</span></a></p>
Marcus Jaschen<p>Auf den Tag genau vor zwei Jahren habe ich die Domain sudoku-tools.com registriert und meinen kleinen Killer Cage-/Region Sum Lines-Calculator installiert.</p><p>War tatsächlich nur für mich gedacht, wird aber von immer mehr Leuten genutzt (werbe- und trackingfrei).</p><p><a href="https://skylightaccess.de/tags/sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sudoku</span></a></p><p><a href="https://sudoku-tools.com/" rel="nofollow noopener" target="_blank">https://sudoku-tools.com/</a></p>
Bhante Subharo ☸️<p>After trying out <a href="https://c.im/tags/deltachat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deltachat</span></a> and <a href="https://c.im/tags/arcanechat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>arcanechat</span></a>, I've discovered the <a href="https://c.im/tags/webxdc" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>webxdc</span></a> app store. My Dad loves <a href="https://c.im/tags/Sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sudoku</span></a> puzzles, and I was tempted to play some competitive Sudoku with him. What assurance is there that there are no sketchy apps in the webxdc app store? Can these apps break out of their little jail, and root my phone? What would the <a href="https://c.im/tags/infosec" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>infosec</span></a> community say? There's somewhat of a thread on the "threat model"/security of webxdc here (but I think it still needs more scrutiny):<br><a href="https://support.delta.chat/t/webxdc-threat-model/3018" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">support.delta.chat/t/webxdc-th</span><span class="invisible">reat-model/3018</span></a><br><a href="https://c.im/tags/puzzle" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>puzzle</span></a> <a href="https://c.im/tags/puzzles" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>puzzles</span></a> <a href="https://c.im/tags/competitive" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>competitive</span></a> <a href="https://c.im/tags/game" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>game</span></a> <a href="https://c.im/tags/multiplayer" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>multiplayer</span></a></p>
Paul Schoonhoven 🍋🍉<p>Wel oppassen... </p><p>✅✅✅ ✅✅✅ ✅✅✅<br>✅✅✅ ✅✅✅ ✅✅✅<br>✅✅✅ ✅✅✅ ❎✅✅</p><p>✅✅✅ ✅✅✅ ✅✅✅<br>✅✅✅ ✅✅✅ ✅✅✅<br>✅✅✅ ✅✅✅ ✅✅✅</p><p>✅✅✅ ✅✅✅ ✅✅✅<br>✅✅✅ ✅✅✅ ✅✅✅<br>✅✅✅ ✅✅✅ ✅✅✅</p><p>Dit gelooft niemand als het goed is.😇</p><p><a href="https://mastodon.nl/tags/sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sudoku</span></a></p>
Nom__XD, 飲ん,诺穆 (They/Them)🐈‍⬛<p>Sudoku board and Maze for today 02)16. <a href="https://mastodon.social/tags/puzzles" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>puzzles</span></a> <a href="https://mastodon.social/tags/games" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>games</span></a> <a href="https://mastodon.social/tags/sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sudoku</span></a> <a href="https://mastodon.social/tags/maze" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>maze</span></a>🐾</p>
Nom__XD, 飲ん,诺穆 (They/Them)🐈‍⬛<p>Sudoku board and Maze for today 02)13. <a href="https://mastodon.social/tags/puzzles" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>puzzles</span></a> <a href="https://mastodon.social/tags/games" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>games</span></a> <a href="https://mastodon.social/tags/sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sudoku</span></a> <a href="https://mastodon.social/tags/maze" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>maze</span></a>🐾</p>
Nom__XD, 飲ん,诺穆 (They/Them)🐈‍⬛<p>Sudoku board and Maze for today 02)12. <a href="https://mastodon.social/tags/puzzles" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>puzzles</span></a> <a href="https://mastodon.social/tags/games" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>games</span></a> <a href="https://mastodon.social/tags/sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sudoku</span></a> <a href="https://mastodon.social/tags/maze" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>maze</span></a>🐾</p>
Abhinav 🌏<p>Check out my series of <a href="https://fantastic.earth/tags/blog" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>blog</span></a> posts about writing a fast <a href="https://fantastic.earth/tags/Sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sudoku</span></a> solver in <a href="https://fantastic.earth/tags/Haskell" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Haskell</span></a>, starting with this post: <a href="https://abhinavsarkar.net/posts/fast-sudoku-solver-in-haskell-1/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">abhinavsarkar.net/posts/fast-s</span><span class="invisible">udoku-solver-in-haskell-1/</span></a></p><p>Comments, boosts and likes appreciated.</p><p><a href="https://fantastic.earth/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>programming</span></a> <a href="https://fantastic.earth/tags/functionalprogramming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>functionalprogramming</span></a> <a href="https://fantastic.earth/tags/puzzles" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>puzzles</span></a></p>
Marcus Jaschen<p>Wie schwer kann man sich mit einem <a href="https://social.tchncs.de/tags/Sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sudoku</span></a> tun, das gerade mal eine Schwierigkeitsklasse „zwei von fünf Sternen“ hat?</p><p>Genau. Ich brauchte auf dem <a href="https://social.tchncs.de/tags/iPad" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iPad</span></a> den Split View-Modus, damit ich in <a href="https://social.tchncs.de/tags/Freeform" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Freeform</span></a> Notizen machen und darüber bestimmte Dinge ausschließen konnte.</p><p>2:45 Stunden, auweia. Ich habe irgendetwas übersehen, weiß aber nicht was.</p><p><a href="https://logic-masters.de/Raetselportal/Raetsel/zeigen.php?id=000DX4" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">logic-masters.de/Raetselportal</span><span class="invisible">/Raetsel/zeigen.php?id=000DX4</span></a></p>
Andrew<p>I heard Cracking the Cryptic had a "Chess Sudoku" game so rather than engage with that in any way, I invented my own Chess Sudoku game. Each 3×2 minigrid must contain one of each type of chess piece, and no piece may attack any piece of the same type, ignoring anything that's in the way — so, no two rooks in the same row or column, no two bishops on the same diagonal, etc.</p><p>(If anyone at <a href="https://mathstodon.xyz/tags/alt4me" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>alt4me</span></a> has any idea how to supply useful alt text for this kind of thing do please let me know)</p><p><a href="https://mathstodon.xyz/tags/puzzles" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>puzzles</span></a> <a href="https://mathstodon.xyz/tags/sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sudoku</span></a> <a href="https://mathstodon.xyz/tags/chess" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>chess</span></a></p>
Marcus Jaschen<p>Wochenrückblick, Ausgabe 64 (2024-43)</p><p>Themen (1/2):</p><p>🗺️ osmapp.org: OpenStreetMap-Daten auf einer Karte durchsuchen und anzeigen</p><p>🌓 meton: Mondphasen-Simulation mit dem Meton-Zyklus</p><p>🔖 Smarter than ‘Ctrl+F’: Linking Directly to Web Page Content</p><p><a href="https://social.tchncs.de/tags/Wochenr%C3%BCckblick" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Wochenrückblick</span></a> <a href="https://social.tchncs.de/tags/OpenStreetMap" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OpenStreetMap</span></a> <a href="https://social.tchncs.de/tags/OSMApp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OSMApp</span></a> <a href="https://social.tchncs.de/tags/Mondphasen" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Mondphasen</span></a> <a href="https://social.tchncs.de/tags/Meton" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Meton</span></a> <a href="https://social.tchncs.de/tags/Sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sudoku</span></a> <a href="https://social.tchncs.de/tags/%C3%96BB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ÖBB</span></a> <a href="https://social.tchncs.de/tags/Taurus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Taurus</span></a></p><p><a href="https://www.marcusjaschen.de/blog/2024/2024-43/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">marcusjaschen.de/blog/2024/202</span><span class="invisible">4-43/</span></a></p>
Derek Caelin is writing a book<p>I was "puzzled" (ha!) by the game world.</p><p>In previous puzzle-driven games I have played, the game world provided a narrative and a context for the puzzle. Myst Island, <a href="https://social.coop/tags/OuterWilds" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OuterWilds</span></a>. Even Braid! Solving the puzzle allows the player to interact with the that world, and the narrative within it. </p><p>On the opposite end of the spectrum is a <a href="https://social.coop/tags/Sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sudoku</span></a> puzzle book. Puzzles don't exist in a narrative context. Solving the puzzle simply means you've solved the puzzle and can progress to the next.</p>
DWDS<p>Nicht nur <a href="https://wisskomm.social/tags/Japan" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Japan</span></a>​er, sondern die ganze Welt feiert heute den <a href="https://wisskomm.social/tags/Sudoku" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sudoku</span></a>​-Tag. Mehr über die überraschenden Ursprünge des Zahlenpuzzles erfahren Sie im Artikel des Tages <a href="https://www.dwds.de/wb/Sudoku" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">dwds.de/wb/Sudoku</span><span class="invisible"></span></a></p>