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113                <li id="M14"><a class="scanmenu" href="/Daily_Sudoku">The Daily Sudoku</a></li>
114                <li id="M164"><a class="scanmenu" href="/Daily_Mini_Sudoku">Daily 6x6 Sudoku</a><span style="color:red;font-size:8pt;float:right">New!</span></li>
115                <li id="M15"><a class="scanmenu" href="/Daily_Jigsaw_Sudoku">The Jigsaw Sudoku</a></li>
116                <li id="M16"><a class="scanmenu" href="/Daily_Sudoku_X">The Daily Sudoku X</a></li>
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123                <li id="M23"><a class="scanmenu" href="https://www.str8ts.com/daily_1to25.aspx">1 to 25</a></li>
124                <li id="M160"><a class="scanmenu" href="/DailyBinairo">The Daily Binairo</a></li>
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184<!--span class="SRChristmas1">Wishing you a very Happy Christmas and New Year</span><br>
185<span class="SRChristmas2">- Andrew Stuart and Jeff Widderich</span><br-->
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187<div style="border:5px solid #009900;padding:2px 15px 15px;margin-bottom:15px;border-radius:20px;color:#44ff44">Server updated and back open. 11:51am 14th March</div--></div><br>
188
189<div class="SRCell" id="stub1273"><!--p style="padding-left:100px;color:#6f6">Sorry if you got a 403 Access Denied today. Some confusion over how to block an abusive IP addresss. I should be using Cloudflare to do this not locally on the server.</p-->
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192<div class="SRCell" id="stub1098"><h1>What's your challenge?</h1>
193<div style="width:100%; padding:5px">
194<div class="solverpad"><a href="/Daily_Sudoku"><img src="images/Play_SUD.png" style="width:184px" ALT="Sudoku"></a><div class="solverpad-lab"><a href="/Daily_Sudoku">Play Sudoku</a></div></div>
195<div class="solverpad"><a href="/Daily_Jigsaw_Sudoku"><img src="images/Play_JIG.png" style="width:184px" ALT="Jigsaw Sudoku"></a><div class="solverpad-lab"><a href="/Daily_Jigsaw_Sudoku">Play Jigsaw Sudoku</a></div></div>
196<div class="solverpad"><a href="/Daily_Killer_Sudoku.aspx"><img src="images/Play_KIL.png" style="width:184px" ALT="Killer Sudoku"></a><div class="solverpad-lab"><a href="/Daily_Killer_Sudoku.aspx">Play Killer Sudoku</a></div></div>
197<div class="solverpad"><a href="https://www.str8ts.com/Daily_str8ts"><img src="images/Play_ST8.png" style="width:184px" ALT="Str8ts"></a><div class="solverpad-lab"><a href="https://www.str8ts.com/Daily_str8ts">Play Str8ts</a></div></div>
198<div class="solverpad"><a href="https://www.str8ts.com/daily_1to25.aspx"><img src="images/Play_125.png" style="width:184px" ALT="1 to 25"></a><div class="solverpad-lab"><a href="https://www.str8ts.com/daily_1to25.aspx">Play<br>'1 to 25'</a></div></div>
199<div class="solverpad"><a href="/Daily_Codewords"><img src="images/Play_CWD.png" style="width:184px" ALT="Codewords"></a><div class="solverpad-lab"><a href="/Daily_Codewords">Play Codewords</a></div></div>
200<div class="solverpad"><a href="https://www.sudokuwiki.org/Daily_KenKen.aspx"><img src="images/Play_KEN.png" style="width:184px" ALT="KenKen"></a><div class="solverpad-lab"><a href="https://www.sudokuwiki.org/Daily_KenKen.aspx">Play KenKen</a></div></div>
201<div class="solverpad"><a href="/Daily_Kakuro"><img src="images/Play_KAK.png" style="width:184px" ALT="Kakuro"></a><div class="solverpad-lab"><a href="/Daily_Kakuro">Play Kakuro</a></div></div>
202<div class="solverpad"><a href="/Daily_Killer_Jigsaw.aspx"><img src="images/Play_KJG.png" style="width:184px" ALT="Killer Jigsaw"></a><div class="solverpad-lab"><a href="/Daily_Killer_Jigsaw.aspx">Play Killer Jigsaw</a></div></div>
203<div class="solverpad"><a href="http://www.letterlicious.com/Letterlicious_Home.aspx"><img src="images/Play_LET.png" style="width:184px" ALT="Letterlicious"></a><div class="solverpad-lab"><a href="http://www.letterlicious.com/Letterlicious_Home.aspx">Play Letterlicious</a></div></div>
204<div class="solverpad"><a href="/Daily_Sudoku_X"><img src="images/Play_SDX.png" style="width:184px" ALT="Sudoku X"></a><div class="solverpad-lab"><a href="/Daily_Sudoku_X">Play Sudoku X</a></div></div>
205<div class="solverpad"><a href="https://www.str8ts.com/daily_mini_str8ts.aspx"><img src="images/Play_MS8.png" style="width:184px" ALT="Mini Str8ts"></a><div class="solverpad-lab"><a href="https://www.str8ts.com/daily_mini_str8ts.aspx">Play Mini Str8ts</a></div></div>
206<div class="solverpad">
206<a href="/Daily_Binairo__6x6"><img src="images/binario6x6.png" style="width:184px" ALT="Sudoku"></a><div class="solverpad-lab"><a href="/Daily_Binairo__6x6">Play 6x6 Binairo</a></div></div>
207
208<div class="solverpad"><a href="/Daily_Binairo__8x8"><img src="images/binario8x8.png" style="width:184px" ALT="Sudoku"></a><div class="solverpad-lab"><a href="/Daily_Binairo__8x8">Play 8x8 Binairo</a></div></div>
209
210<div class="solverpad"><a href="/Daily_Binairo_Plus__6x6"><img src="images/binarioplus6x6.png" style="width:184px" ALT="Sudoku"></a><div class="solverpad-lab"><a href="/Daily_Binairo_Plus__6x6">Play 6x6 Binairo Plus</a></div></div></div>
211</div><hr class="div3"></div><br>
212
213<h2>Looking for help with Sudoku?</h2>
214<div class="SRCell" id="stub139"><p>There are solvers for <a href="/sudoku.htm">Sudoku</a>, <a href="/sudoku6x6.aspx">Mini Sudoku</a>, <a href="/Jigsaw.aspx">Jigsaw Sudoku</a>,  <a href="/Windoku.aspx">Windoku Sudoku</a>, <a href="/SudokuX.aspx">Sudoku X</a>, <a href="/KillerSudoku.aspx">Killer Sudoku (9x9)</a>, <a href="/Killer6x6.aspx">Killer Sudoku (6x6)</a>, <a href="/Sumoku.aspx">Sumoku</a>, <a href="/ColourSudoku.aspx">Colour Sudoku</a>, <a href="/Stripy.aspx">Stripy Sudoku</a>, <a href="/KenKen6x6.aspx">KenKen</a> and <a href="/kendoku6x6.aspx">KenDoku</a> and extensive <a href="/Strategy_Families">strategy documentation</a>.</p></div><br>
215
216<div class="SRCell" id="stub617"><div style="width:100%; padding:5px">
217<div class="solverpad">
218    <a href="Sudoku.htm"><img src="images/SUD_D.gif" alt="Sudoku Solver" width="184" height="184" border="0" /></a>
219    	<div class="solverpad-lab"><a href="Sudoku.htm">Sudoku Solver</a></div>
220</div>
221<div class="solverpad">
222    <a href="Sudoku6x6.aspx"><img src="images/sudoku6x6.png" alt="Sudoku 6x6 Solver" width="184" height="184" border="0" /></a>
223    	<div class="solverpad-lab"><a href="Sudoku6x6.aspx">Sudoku 6x6 Solver</a></div>
224</div>
225<div class="solverpad">
226	<a href="SudokuX.aspx"><img src="images/SDX.gif" alt="Sudoku X Solver" width="184" border="0" /></a>
227	<div class="solverpad-lab"><a href="SudokuX.aspx">Sudoku X Solver</a></div>
228</div>
229<div class="solverpad">
230    <a href="KillerSudoku.aspx"><img src="images/KIL.gif" alt="Killer Sudoku Solver" width="184" border="0" /></a><br>
231    <div class="solverpad-lab"><a href="KillerSudoku.aspx">Killer Solver</a></div>
232</div>
233<div class="solverpad">
234    <a href="Killer6x6.aspx"><img src="images/killer6x6.png" alt="KenKen Solver" width="184" border="0" /></a><br>
235    <div class="solverpad-lab"><a href="Killer6x6.aspx">6x6 Killer Solver</a></div>
236</div>
237<div class="solverpad">
238    <a href="KillerJigsaw.aspx"><img src="images/killerjigsaw.png" alt="Killer Jigsaw Solver" width="184" border="0" /></a><br>
239    <div class="solverpad-lab"><a href="KillerJigsaw.aspx">Killer Jigsaw Solver</a></div>
240</div>
241<div class="solverpad">
242    <a href="Sumoku.aspx"><img src="images/sumoku.png" alt="Sumoku Solver" width="184" border="0" /></a><br>
243    <div class="solverpad-lab"><a href="Sumoku.aspx">Sumoku Solver</a></div>
244</div>
245<div class="solverpad">
246    <a href="jigsaw.aspx"><img src="images/JIG_G.gif" alt="Jigsaw Solver" width="184" border="0" /></a>
247    <div class="solverpad-lab"><a href="jigsaw.aspx">Jigsaw Solver</a></div>
248</div>
249<div class="solverpad">
250    <a href="Windoku.aspx"><img src="images/windoku.png" alt="Windoku Solver" width="184" border="0" /></a><br>
251    <div class="solverpad-lab"><a href="windoku.aspx">Windoku Solver</a></div>
252</div>
253<div class="solverpad">
254    <a href="coloursudoku.aspx"><img src="images/ColSolver.png" alt="Colour Sudoku Solver" width="184" border="0" /></a><br>
255    <div class="solverpad-lab"><a href="coloursudoku.aspx">Colour Solver</a></div>
256</div>
257<div class="solverpad">
258    <a href="KenKen6x6.aspx"><img src="images/kenken.png" alt="KenKen Solver" width="184" border="0" /></a><br>
259    <div class="solverpad-lab"><a href="KenKen6x6.aspx">KenKen Solver</a></div>
260</div>
261<div class="solverpad">
262    <a href="KenDoku6x6.aspx"><img src="images/kendoku.png" alt="KenKen Solver" width="184" border="0" /></a><br>
263    <div class="solverpad-lab"><a href="KenDoku6x6.aspx">KenDoku Solver</a></div>
264</div>
265</div></div><br>
266
267<div class="SRCell" id="stub478"><hr class="div3"><p>If you are <a href="https://www.sudokuwiki.org/ACSPuzzles.aspx">searching for puzzles</a> or how to solve logical puzzles like Sudoku then you are in the right place. Andrew's carefully calibrated Sudoku puzzles and variants have been published in major newspapers and puzzle books for many years. He has published a book on the <a href="/The_Logic_of_Sudoku">Logic of Sudoku</a> and supports seven highly acclaimed step-by-step solvers. Andrew works part time at <a href="http://www.syndicatedpuzzles.com">Syndicated Puzzles</a>.</p>
268<div style="color:#00ff00"></div></div><br>
269
270<div class="SRCell" id="stub984"><!--div style="float:left;max-width:500px;border:5px solid #00aa00;padding:2px 15px 15px;margin-bottom:15px;border-radius:20px"><a href="https://x.com/SudokuWiki"><img src="images/xcom.png" style="float:left"></a><a href="https://x.com/SudokuWiki">Join me on X</a>. I'm using that platform to put up information, updates and interesting stuff about puzzles and strategies and help supp
270ort people who visit  SudokuWiki.org, Str8ts.com and Letterlicious.com. Share and enjoy! <span class="hc">#sudoku #str8ts</span>. Love to get some early follows so I show up if people search for Sudoku or this site. Anti-bot stuff is quite extreme so new accounts are very invisible.</div-->
271
272<div style="float:right;max-width:500px;border:3px solid #00aa00;padding:2px 15px 15px;margin-bottom:15px;border-radius:20px"><h2>Sign up for extras!</h2>After a lot of technical fuss I have decided to go with <a href="https://www.buymeacoffee.com/str8ts" target="_blank">buymeacoffee.com</a> for a subscriber support platform, rather than Patreon. Better logo, simpler and allows for one-off donations. And does not add VAT. If you buy Jeff and me a coffee many thanks! Would love a couple of monthly subscribers to test integration. <a href="/SPHome.aspx">more here</a>.</div>
273
274<!--div style="float:right;width:500px;border:5px solid #cc8822;padding:2px 15px 15px;margin-bottom:15px;border-radius:20px"><h2>Looking for Help - Business Partner</h2>Looking for some side income? We're looking for someone to liaise with our client accounts, talk to newspapers and generally give this site and our business a good slap in the face with a wet fish. Oh, and a new start is a new look, so a Graphical Designer as well. <a href="/Puzzle_Business">Read my spiel here</a></div--></div><br>
275
276<h2>Looking for puzzles for your local newspaper?</h2>
277<div class="SRCell" id="stub618">We have a great no-cost solution for any community newsletter, magazine, school or college newspaper:  <span class="hy">Print ready</span> Str8ts and/or Sudoku files in PDF format - simply register and download. Our four layouts are organized into five time periods: 3 times a week, twice a week, weekly, every two weeks and monthly. For Daily prints, please let us quote. <br>
277<a href="http://www.syndicatedpuzzles.com/SP-newspaperSignup.asp">Register and Download link</a>.<br><br><center><a href="http://www.syndicatedpuzzles.com/SP-newspaperSignup.asp"><img src="images/LayLand.png" alt="Sudoku + Str8ts" border="0" /></a></center><br><hr class="div3"></div><br>
278
279<h2>A Solver App for Android</h2>
280<div class="SRCell" id="stub140"><!--p><img src="images/NewYorkPost.png" alt="New York Post" style="float:right">A big welcome to the readers of the <a href="http://www.nypost.com/" target="_nyp">New York Post</a>. If you want to try some harder Sudoku there are plenty here.</p-->
281
282<div class="w100pc">
283    <div style="max-width:320px;display:inline-block">
284        <table style="100%"><tr>
285        <td width="120"><a href="/Sudoku_Solver_for_Mobile_Devices"><img src="images/SudokuWiki_Mid.png" alt="SudokuWiki Solver App" /></a></td>
286        <td width="200">
287            <span class="hg">Available for Android</span><br>
288            <a href="/Sudoku_Solver_for_Mobile_Devices">SudokuWiki Solver</a> App<br />Click for views and features
289        </td></tr></table>
290    </div>
291    <div style="max-width:320px;display:inline-block">
292        <!--table style="width:100%"><tr>
293        <td width="100"><a href="/5_Daily_Puzzles_for_the_iPad"><img src="/images/5DP_100.png" alt="5 Daily Puzzles App" /></a></td>
294        <td width="200">
295            <span class="hg">Now upgraded for iOS 9, 10 and 11+!</span><br /><a href="/5_Daily_Puzzles_for_the_iPad">'5 Daily Puzzles'</a> iPad App<br />
296            Click for views and features
297        </td></tr></table-->
298    </div>
299</div>
300<div class="w100pc">
301<li>Printable <a href="https://www.sudokuwiki.org/ACSPuzzles.aspx">Puzzle Packs</a> - or Try Before You Buy - 
302download the <a href="ACS_Sample_Puzzle_Pack.pdf" target="_sample">Sample Puzzle Pack</a></li></ul>
303</div>
304
305</div><br>
306
307<div class="SRCell" id="stub1188"><!--video width="90%" height="auto" muted playsinline autoplay controls><br>  <source src="docs/str8tsAd750v2.mp4" type="video/mp4"><br>  <source src="docs/str8tsAd750.webm" type="video/webm"><br>  Your browser does not support the video tag.<br></video><br><br><br><a href="https://www.str8ts.com/New_Str8ts_Books">Books Link here!</a--><br><br><br>Want to know what Jeff has been up to lately? He has a <a href="https://www.youtube.com/@buildingenjoyment">Youtube Channel</a> here.<br><br><!--iframe width="560" height="315" src="https://www.youtube.com/embed/wuWUFzCgN3Y?si=RI3zeC2mbdoFXSeJ" title="Diabolical Sudoku Trick" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe--><br><br><!--Puzzle mentioned - <a href="/sudoku.htm?bd=..6.......4..35....5......1.8.26..9.4..1.9..7.1..54.6.7......4.8...9..3.......7..">Load in Solver</a> - <a href="/Sudoku_Player?bd=S9Bepep06epepepepepepep04epep0305epepepep05epepepepepep01ep08ep0206epep09ep04epep01ep09epep07ep01epep0504ep06ep07epepepepepep04ep08epepep09epep03epepepepepepep07epep">Load in Player</a><br>Taken from the Jan 2025 Mixed Grade <a href="https://www.sudokuwiki.org/ACSPuzzles.aspx">puzzle pack</a--></div><br>
308
309<h2>More Random Stuff...</h2>
310<div class="SRCell" id="stub751"><ul><li>Exploring the extreme end of the spectrum with the infamous <a href="/Arto_Inkala_Sudoku">Arto Inkala Sudoku</a>.</li><br><li><a href="/Easiest_Sudoku_Competition">Easiest Sudoku Competition</a></li><br><li><a href="/How_Sudoku_X_Breaks_Symmetries">How Sudoku X breaks symmetries</a></li><br><li>Here is a <a href="/Books_by_Andrew_Stuart_and_Jeff_Widderich">list of books Andrew and Jeff have contributed</a> to in the past.</li><br><li>A <a href="Blank">blank</a> page.</li><br><li>I have a personal <a href="https://www.myeventflo.com/The-Cool-Projects-Demo-Page.html">Cool Projects</a> page</li><br></ul><br><br></div><br>
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326        <footer>
327		Article created on 10-April-2008. Views: 5139108<br>
328			This page was last modified on 19-November-2025.<br>
329			All text is copyright and for personal use only but may be reproduced with the permission of the author.<br>
330			Copyright <a href="https://www.sudokuwiki.org">Andrew Stuart</a> @ <a href="https://www.syndicatedpuzzles.com">Syndicated Puzzles</a>, <a href="/privacy">Privacy</a>, 2007-2026
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