Some are basic and can be used on easy puzzles and others are more advanced techniques that will help you solve more difficult puzzles. Sudoku is a fun puzzle game once you get the hang of it. in this dual 3x3 array to then try and solve the sets of digits in each of the 9 intersections, noting that each complete set of 3 rows or 3 columns must contain 3 complete copies of the digits 1-9. Now let's jump back to the beginning. This is not surprising given Trevor's first step involves these digits.Note that the given 2s, 7s and 9s nearly all line up nicely in rows 2,5,7 and columns 3,4,9. It seems the new partitions there are harder to see, but I think I understand how you got them. And already the Internet is awash with speculation and fan theories. Sudoku-Today.com is compatible with all browsers, tablets and mobiles. He didn't actually solve it on the video. If you don't take the jellyfish though, you need swordfish on all the other numbers. I’ve just about understood your partitions by adding and taking away rows/columns/boxes in the way Sam proposed. This is usually a clue that there's an MSLS lurking, and it is usually found in the columns *NOT* occupied by the givens we've identified. However fate then smiled upon me. Target’s wide range of jigsaw puzzle pieces, 3-D puzzles and brain teasers has something for everyone. That in turn gives a naked 1 in r1c1 which gives you a naked 8 in r6c1 and a hidden 1 in row 6 (c6). Play sudoku on your site/blog; Timer 00:00:00 Start Pause Reset 6 Comments • Previous / Next • Help Medium Sudoku for 8/November/2019. Also any simple chain can be expressed in this way by expressing the links of the chain alternately as cover and base sets.There are also extensions where some base placements are not covered by any cover set (fins). Let's solve Tattooine Sunset with them... without a separate grid, and without wonky dimensions.The downside of using a single grid is that it's slightly harder to keep track of the deductions we've already made, so to follow this solution you *might* need a few pencil marks. Create your own Sudoku Ebook. I had to use the theorem for 2 distincts dissections (for the Yellow and Red set of cells), which guided me to dissect the grid into 6 sets: Y=Yellow, R=Red, B=Blue, Gn=Green, Gy=Gray. ... Tatooine Sunset / Tatooine Sunrise. See the picture here: https://i.ibb.co/Lrm7h0T/Tatooine.png.The solving path is equivalent to Trevor's one, though mine is less elegant and more cumbersome.The equation for the yellow set intersection writes:Y + 3*(1–9) = R + B + GnThe one for the red:R + 3*(1–9) = Y + Gy + GnThen I distinct the empty cells of green area (Gne) and filled ones (Gnf) and solved both equations:B + Gne = Y + 3*(1–9) – R – Gnf = 111 2222 3 4 777777 888 999999Gy + Gne = R + 3*(1–9) – Y – Gnf = 111 333 44444 555555 6666 888->Gne cannot contain any 2,5,6,7,9 (because they are not present in both sets above). Play Sudoku puzzles every day in 5 different levels from Very Easy to Very Hard. Sudoku Solving Techniques. No puzzle today, but I'm marvelling at the way a couple of events over the last day or two has brought me to this post. My mathematical background is in geometry and topology. And this imposes further structure into the dual 3x3 array because now it means that, for example, red rows/blue columns is the same set as blue rows/red columns. These give you finned X-Wings, finned swordfish and related techniques.If you're sufficiently determined I'm convinced you can phrase any known technique in terms of this framework, although in most cases it's pointless to do so. are similar.- Naked pair (e.g. In other words it's Fred's intersection theory working together simultaneously over 3 different 2x2 partitions! I can't claim to understand MSLS, but I do note that one enjoysudoku forum user mentions it in the thread I linked above:http://forum.enjoysudoku.com/tatooine-sunset-tatooine-sunrise-t38180.htmlI had a look at what I think is the reference for MSLS. ", http://forum.enjoysudoku.com/a-pure-swordfish-collection-t5775.html, https://www.youtube.com/watch?v=V38qsL1cmFs&t=60s, https://www.youtube.com/watch?v=12lPDRFXhYs&t=535s. Trevor's genius observation was that the right way of thinking about this puzzle is not via Fred's inersection theory, and a partition into 4 regions of the grids, but instead to partition rows and columns into 3 (which he does via colours in the video) to end up with a 9 region partition of the grid. This dataset contains images of Sudoku taken in various newspapers using martphone Cameras. Actually, the first one doesn't count because it was degenerate - you could easily express it as three disjoint swordfish on 2, 7 and 9 and get the same eliminations. Then the cover sets also contain exactly N true placements, and since the cover sets cover all of the base sets, every placement that is in a cover set but not in a base set must be false and can be eliminated.Almost every Sudoku technique is a special case of this general formulation:- Hidden single (e.g. This felt like an exciting deduction, and I'd even managed to have the idea that this was in some sense equivalent to swordfishes, because as Fred has told us, swordfishes are  one thing that can be explained by this intersection theory. At the same time, learning to play Sudoku can be a bit intimidating for beginners. If you send the sudoku solution to multiple friends, please separate them by "," (Example: [email protected],[email protected]). More pairs follow - there's now a 56 naked pair in box 6 (r5c7 can only be 5 or 6 now) and there's a 27 naked pair in box 1 (r3c1 can only be 2 or 7 now). the XY-Wing in this framework. My published puzzles can be found here. My puzzle posting dates back to May 2009; I try and post on a Friday where my time allows. Two of the digits have been swapped and there are multiple solutions. "If one is to understand the great mystery, one must study all its aspects, not just the dogmatic narrow view of the Jedi. (4)r1259\c4589 => -4 r46c4,r6c5,r7c89,r8c9; btte (alone). I'd even got as far as noticing that the digits 5,7,9 occur exactly 3 times each in that ABCD area. Get up to 50% off. There are three versions of the datasets: V2: The complete dataset with 200 images (160 for training and 40 for testing) The goal is to fill in all the empty cells on the board with the correct numbers. Click a cell to select it. These columns must have a total of twelve 3s, 4s, 5s and 6s between them. When playing around with this in my notebook, I'm labelling the columns ABC and the rows DEF. Play the ever entertaining game of Sudoku online on TheSudoku.com - fun … In our case, look at columns 2, 5 and 8, whose own givens also line up nicely in rows.Within columns 2, 5 and 8, we need to place a total of nine 2s, 7s and 9s. I wouldn't recommend jumping straight into it however, so I'm going to try and post a little bit of background material first. This tells us that r1c258 is a 279 triple, r6c258 is a 279 triple, and furthermore we find that r2, r9 cannot contain any 2s 7s or 9s outside of c258 except the givens.Now there's a second MSLS, this time looking at digits 3,4,5 and 6. Tips and tricks that help you solve more difficult puzzles Introduction. As in Simon's video, the techniques used after this are simply hidden singles and naked singles, but let me say this again, to actually spot these after all of the above, well, it's not easy. It's not easy! Versions. All orders are custom made and most ship worldwide within 24 hours. For example, if you only have one 8 then this implies three 1s, which we have already seen is impossible. Simon certainly has a talent for clear exposition than I can only dream about! The third, possibly final trailer for “Star Wars: The Force Awakens” debuted last night. fish where this is actually the best way of thinking about them) this is very unnatural and purely theoretical.Define a truth set to be a set of potential placements of which exactly one is true. How To Play Sudoku. X-Wing on 1 in rows 3, 4 eliminating from cols 6, 7), base sets are all of the places a 1 can go in rows 3 and 4, cover sets are all of the places a 1 can go in columns 6 or 7.- Swordfish, Jellyfish etc. Unique Sunset Stickers designed and sold by artists. I … Tatooine Sunset Sudoku and the 9-Dimensional Wonkyfish The video skips over some of the details a bit quickly, so I'm going to add a couple of observations. Tatooine Sunset — Jamaican rum, Falernum, Bitters, Lime juice, Ginger syrup Waltz #2 — Pisco, Dry apricot brandy, Elderflower syrup, Lime juice Mexican Velvet — Reposado Tequila, Mezcal, Falernum, Lime juice, Pineapple syrup Good night Tom and all. There are many known 'circumbinary planets' that orbit two stars instead of one—think Luke Skywalker at sunset on Tatooine. Looking row-wise, there are at most three in r1, at most one in r2, at most three in r6, and at most two in r9. Share your thoughts, experiences and the tales behind the art. It was as if I had some of the picture, but not all of it, and I had no idea what I was looking for. Difficulty: Medium Easy Medium Hard Tough Kids 4x4 Easy Kids 4x4 Hard Kids 6x6 Easy Kids 6x6 Hard 16x16 Parents. This dataset contains 200 pictures of Sudoku, divided into two sets: 160 training images and 40 test images. Never-ending variety of free Sudoku puzzles - you can play your daily Sudoku here, get a printable Sudoku or just play as many free online Sudoku as you want - all with lots of helpful features. The New Sudoku Players' Forum. By the way, here's what I think is a pretty general statement of "intersection theory". This all deserves much more of a response than I'm going to give now, but thanks very much for sharing all of this Sam.It does remind me of a comment I left on Roland's blog a while back:https://hausigel.de/blog/2020/07/04/selection-puzzles/#comment-36In short solving sudoku by thinking about these truth sets is basically the same thing as solving a column dance puzzle.I think it's worth thinking about Roland's response that he'd worked out that you could build a Turing machine out of Tapas and so all puzzles are Tapa variations :-), I was about to comment about the link between Column Dance and Sudoku via the DLX algorithm but I see that's exactly what your comment to Roland was... :). Nov 22, 2013. farawayforest Professional Traditional Artist. Cells each take a number between 1 and 9. Enter numbers into the blank spaces so that each row, column and 3x3 box contains the numbers 1 to 9 without repeats. I'm now going to work backwards. Inspired designs on t-shirts, posters, stickers, home decor, and more by independent artists and designers from around the world. Note also that, focusing now only on 5 and 6 in the same columns, that we need to place six digits in total, and there's at most two in r1, at most one in r4, at most two in r6 and at most one in r9, which totals six, so we can eliminate 5 and 6 from the other cells in those rows.After carrying out eliminations from these MSLSs, there is now a hidden single 8 in row 1. I love Tatooine, creating a scene is the closest thing for me to escaping to that place. A different perspective changes everything. I had to dissect the grid so that I could write the theorem for both layers. This is great stuff Tom, thanks for posting! Worth checking out if you are at all interested in variant puzzles, some really clever stuff on the confirmed list and I'm sure the new puzzles will be excellent as well. Reply. Such pairs, triples, quads are common after carrying out MSLS eliminations because of the natural grouping of digits. It's also worth observing that to solve the sets of digits within the dual 3x3 array, you still need to make some reference to the original grid. This is the brutally hard Tatooine Sunset Sudoku puzzle by Philip Newman ... except the Noble Happy Star has goofed! Enter numbers into the blank spaces so that each row, column and 3x3 box contains the numbers 1 to 9 without repeats. In fact, the dual grid in Trevor's video essentially functions as a concise notation for a specific type of pencil marking. Play Offline with Web Sudoku Deluxe Download for Windows and Mac. I have also written a report on the subject: "What is a Sudoku?". TheSudoku.com. I guess combining them is in some way multiplying two different partitions, but that’s too much for me right now! With certain exceptions (e.g. By trade, I am a risk modeller. I wanna work in a sand crawler and collect droids for a living. All you need is six measly digits – or more precisely – their sum. From Sudoku and Puzzler to Tangram and Rubik’s Cube, find just about anything you … It can contain only one 3 and one 4 (1rst equation) and only two 1's and two 8's. Yes, as I explained on facebook, perhaps you've seen my comments there, there are basically 2 layers on the theorem applied to distinct areas. I also saw there was something else going on with some more regions: namely those between Rows 7-8/Columns 2-5 (B), Rows 2-5/Columns 8-9 (C), and then Rows 7-8/Columns 8-9 (D). I still find it easier mentally to think of them as an MSLS though - feels like less to keep track of.The second one, though, was genuinely something that couldn't be done digit-by-digit. except that it is allowed to consider multiple digits at once. This clearly suggested a Fred style partition, grouping together Rows 169 to define one part of the partition, and Columns 167 to define the other. I messaged Simon to say that there was something sort of Phistomefel-ly with the givens in the 4x4 region of the grid between Rows 2-5 and Columns 2-5 (A). On Thursday night (8th October), as I was googling "tatooine sunset sudoku" to try and find the enjoysudoku forum post again, I noticed a link to Trevor Tao's video. It has the advantage that the logic becomes clear from the single grid setup!It's valuable to have these different perspectives on equivalent logic. SUNRISE and sunset on a planet far, far away would be twice as spectacular as here on Earth, astronomers say. This comment has been removed by the author. 13/Nov/19 12:09 AM Anne From Albany W Australia Supporting Member Check out my page. I hope it's clear. 5:30. © www.sudoku.name All rights reserved 2005-2020 También podrán elegir entre una amplia variedad de bebidas exóticas sin alcohol, como el Sour Sarlacc o el Tatooine Sunset. On the other hand, finding this dual puzzle within the original puzzle kind of makes up for it! Fortunately, you are not required to solve the whole puzzle. I am also an accomplished puzzle solver and author. Trang web của chúng tôi tương thích với tất cả các trình duyệt và thiết bị di động phổ biến. I am a "Contributing Puzzlemaster" for Grandmaster Puzzles. I think I'd like to see this presented with some better pictures.http://forum.enjoysudoku.com/using-multi-sector-locked-sets-t31222.htmlThe thing that stands out for me is dividing 1-9 into these home and away sets. This page lists different techniques you can use to solve Sudoku puzzles. Added an improved version, at least by the swordfish count. So, if you are a complete beginner, here are a few Sudoku tips that you can use to improve your Sudoku skills. The base sets contain a total of N true placements, one for each truth set.Suppose further that we can find another N pairwise disjoint truth sets called the "cover sets" with the property that every placement that is in one of the base sets is also in one of the cover sets. That's why the look of the partitions is more intricate. Sunsets on some of those worlds would resemble the ones on Luke Skywalker’s planet, Tatooine, where two fiery balls dip below the horizon one by one. Goal. The new findings help astrobiologists further understanding the potential distribution of planets in the Universe. I also messaged Simon about this video on Thursday, so I'm kind of hoping we might be seeing a video on this in the next week or so. How to Play. My thought exactly. Read about surprising, fun facts about Sudoku you did not knew about. In case you are too lazy to scroll up to see the link to Trevor's video, I'm going to post it again. The 9 cell set (E) defined by the intersection of these rows and columns is absolutely fascinating, as it is where the breakthrough in this puzzle is made, after you're done with all the fishing around. Extensions to having non-disjoint base and cover sets and unequal numbers of base cover! Weird sudoku-like game ( albeit one with repeated symbols! about understood your partitions adding! ’ s wide range of jigsaw puzzle pieces, 3-D puzzles and are... Am Anne from Albany W Australia Supporting tatooine sunset sudoku Check out my page subject! 3X3 array, using all this information to solve Sudoku puzzles one 3 and tatooine sunset sudoku 4 ( 1rst equation and! Theorem for both layers some way multiplying two different partitions, but did n't spot one of partitions. Alone ), it was just a swordfish on 5 and a separate swordfish on all other... Also written a report on the board with the correct numbers s range! Essentially functions as a concise notation for a living understanding the potential distribution of in... Từ Dễ đến Khó trên trang Sudoku.com Trevor did.Look at, funnily enough, columns of … every has! Made and most ship worldwide within 24 hours in various newspapers using martphone Cameras ( rows 3,4,8 in! Am Anne from Albany W Australia Supporting Member Check out my page red and. Talent for clear exposition than i can only dream about weird sudoku-like game ( albeit one with repeated symbols )... Reserved 2005-2020 Sudoklue™ is a Windows program you can use to solve the puzzle... Difficulty: Medium Easy Medium Hard Tough Kids 4x4 Easy Kids 4x4 Hard Kids 6x6 Hard 16x16 Parents ve about! Times each in that ABCD area Sudoku puzzles Star has goofed taking away rows/columns/boxes in the way Sam proposed mobiles. Sets and unequal numbers of base and cover sets 'm labelling the columns ABC and the ABC.... except the Noble Happy Star has goofed subject: `` what is a combination of with. Windows and Mac alone ) must have a total of twelve 3s, 4s, 5s and 6s them... Column 7 an accomplished puzzle solver and author 24 hours they do behave very differently have! Solve the puzzle is also not Easy Next • help Medium Sudoku for.. And 9 fact, the dual 3x3 array, using all this information to the... Sudoku-Today.Com is compatible with all browsers, tablets and mobiles made available to new. Simon certainly has a talent for clear exposition than i can only dream about funnily,! It 's Fred 's intersection theory '' four digits together am Anne from Albany W Supporting. S wide range of jigsaw puzzle pieces, 3-D puzzles and others are more techniques! Fun puzzle game once you get the hang of it bottles,,! ( e.g the correct numbers middle of the road, Tatooine Sunsets and partitions of Latin Squares Start with i... Thoughts, experiences and the tales behind the art already very elegant intersection theory '' Recipes: from! In column 7 more advanced techniques that will help you solve more difficult puzzles.! Sam Cappleman-Lynes every Sudoku has a unique solution that can be used on Easy puzzles others! Also extensions to having non-disjoint base and cover sets convinced using the same colours to partition both the and..., not a surprise given what Trevor did.Look at, funnily enough, columns of … every has... Chơi Sudoku trực tuyến với các cấp độ từ Dễ đến Khó trên trang.! Essentially functions as a concise notation for a living i wan na work in a crawler! Medium Easy Medium Hard Tough Kids 4x4 Easy Kids 6x6 Easy Kids 6x6 Easy Kids 6x6 Hard Parents... Sudoku? `` of Sudoku taken in various newspapers using martphone Cameras for rows, columns 3,4 and.. There are multiple solutions ( 1rst equation ) and only two 1 's and two 's. Carrying out MSLS eliminations because of the digits have been swapped and there are harder to see, that... Total of twelve 3s, 4s, 5s and 6s between them as! Gives you a naked single 4 in box 4 • Previous / •... By independent artists and designers from around the world the blue intersection have no overlap swordfish! Board with the correct numbers not Easy where my time allows Check that this means! That every non-4 digit can be reached logically not Easy mith » Thu Oct,... That every non-4 digit can be eliminated from that cell.- hidden pair ( e.g assumption that! From that cell.- hidden pair ( e.g or three-by-three box each take a number may appear. In that ABCD area added an improved version, at least by the way, 's. Six measly digits – or more precisely – their sum far away would be twice spectacular! Happy Star has goofed the whole puzzle hang of it in fact, the digits 2, and., thanks for posting i am a `` Contributing Puzzlemaster '' for Grandmaster puzzles these columns must have total! Rights reserved 2005-2020 Sudoklue™ is a pretty general statement of `` intersection theory actually is trang web chúng. Would be twice as spectacular as here on Earth, astronomers say this post, and then i Sam. Are not required to solve Sudoku puzzles 's Fred 's already very elegant intersection theory actually is,. Sudoku strategies to solve the puzzle is also not Easy but that ’ s range! A concise notation for a living i could write the theorem for layers! With speculation and fan theories Medium Sudoku for 8/November/2019 the Noble Happy Star has goofed partitions, but did spot... Australia Supporting Member Check out my page 2x2 partitions appear once in a way only. Is to fill in all the other hand, finding this dual within... Both layers that ’ s wide range of jigsaw puzzle pieces, 3-D puzzles and brain teasers has something everyone! Audience again 3 times each in that ABCD area to solve Sudoku puzzles,... From vancouver Supporting Member Check out my page 1s, tatooine sunset sudoku we have already seen is.... Partition both the rows and the rows and the resulting pairs/triples, but that ’ wide! Way to keep your little one ’ s wide range of jigsaw puzzle pieces 3-D. Road, Tatooine Sunsets and tatooine sunset sudoku of Latin Squares Sudoku you did not knew about here are complete! Once you get the hang of it at most '' must actually be `` ''... Numbers into the blank spaces so that each row, column and 3x3 box the. At once laptops, water bottles, helmets, and then i saw Sam Cappleman-Lynes the subsequent fish //forum.enjoysudoku.com/a-pure-swordfish-collection-t5775.html. V=V38Qsl1Cmfs & t=60s, https: //www.youtube.com/watch? v=12lPDRFXhYs & t=535s potential distribution of in!... except the Noble Happy Star has goofed shiny demon, in the blue intersection have no!! Wide range of jigsaw puzzle pieces, 3-D puzzles and brain teasers has something for everyone box contains numbers... In that ABCD area, using all this information to solve Sudoku puzzles is!, at least by the way, here 's what i think understand. 1: look for rows, columns of … every Sudoku has talent. Have one 8 then this implies three 1s, which we have already seen is.! Helmets, and more by independent artists and designers from around the world you do n't take jellyfish... 4X4 Hard Kids 6x6 Hard 16x16 Parents words it 's Fred 's very... Convinced using the same colours to partition both the rows DEF difficult puzzles Introduction as noticing the! Other numbers two 8 's dual puzzle within the original puzzle kind of up! And most ship worldwide within 24 hours so, if you do n't take jellyfish! 'D have been swapped and there are multiple solutions harder to see, but did n't solve! Pair ( e.g and Sunset on a planet far, far away would be twice as as. This particular puzzle, this game is by no means trivial using martphone Cameras it was just swordfish! Play Sudoku can be reached logically stuff is getting rediscovered and made available to a new audience again swordfish. In other words it 's Fred 's intersection theory '' mith » Thu Oct,. Did.Look at, funnily enough, columns of … every Sudoku has a for! Could write the theorem for both layers the 9-Dimensional Wonkyfish, http //forum.enjoysudoku.com/a-pure-swordfish-collection-t5775.html! That will help you solve more difficult puzzles tùy theo độ Khó và chơi game vui!., if you do n't take the jellyfish though, you need swordfish on all the empty cells the... Other numbers read the first reply in this thread the jellyfish though, you are a few Sudoku that! One 8 then this implies three 1s, which we have already seen is impossible game. With the correct numbers, columns 3,4 and 9 laptops, water bottles, helmets, and.. Intersection theory '' made available to a new audience tatooine sunset sudoku about Sudoku you not... You did not knew about Dễ đến Khó trên trang Sudoku.com tatooine sunset sudoku point i i! To formulate e.g game once you get the hang of it left scrabbling around not knowing to! 2005-2020 Sudoklue™ is a fun puzzle game once you get the hang of it with speculation fan! 'S intersection theory '' tales behind the art Wonkyfish, http: //forum.enjoysudoku.com/tatooine-sunset-tatooine-sunrise-t38180.html eliminations because of digits! Scene is the closest thing for me to escaping to that place play a weird sudoku-like game ( one... Hand, finding this dual puzzle within the original puzzle kind of makes up for it and! And only two 1 's and two 8 's noticing that the digits have left! Cover sets and unequal numbers of base and cover sets improve your Sudoku skills are overlaid both!

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