Puzzle of the day: sudoku – extra regions surplus
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1766 Sudoku – extra regions surplus WZ 3* 21-09-17
3 hours ago
Grande Famille
puzzle
(142)
logic
(135)
sudoku
(14)
pentomino
(13)
masyu
(10)
Fences
(8)
arithmetic
(8)
Nuribou
(7)
word
(5)
Bag
(4)
Hitori
(4)
Ice Barn
(4)
Nurikabe
(4)
Stardust
(4)
Sums Simplified
(4)
imnsho
(4)
less than meets the eye
(4)
Country Road
(3)
Gokingen Naname
(3)
Heyawake
(3)
Tohu Wa Vohu
(3)
trivia
(3)
Akari
(2)
Hashiwokakero
(2)
Norinori
(2)
Slalom
(2)
Yajilin
(2)
connecting wall
(2)
easy as
(2)
magic order
(2)
mystery
(2)
reflect link
(2)
tasquare
(2)
Amibo
(1)
Art Deco
(1)
Creek
(1)
Fillmat
(1)
Haido
(1)
Kakuro
(1)
Kuromasu
(1)
Kurotto
(1)
LITS
(1)
LookAir
(1)
Open Space
(1)
Ring ring
(1)
Sashigane
(1)
Snake
(1)
Star Battle
(1)
Sun and Moon
(1)
Tunnel Vision
(1)
Wheat and Chaff
(1)
counting
(1)
isis
(1)
loop special
(1)
minesweeper
(1)
mochikoro
(1)
pipelink
(1)
shakashaka
(1)
staircases
(1)
tapa
(1)
tatamibari
(1)
territory
(1)
video
(1)
Drawing Hands
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Puzzle #91: Nurikabe - This is a Nurikabe puzzle. The rules for Nurikabe can be found here: Rules page Advertisements9 hours ago
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Wordy Wednesday 181: Codewords 5 - WORDY WEDNESDAY #178 CODEWORDSEARCH (answer) Here is the answer to this puzzle. If you still wish to solve it yourself, please go here for the normal versio...12 hours ago
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Twin Killer 2017 - 1 - After more than nearly 2 years I created a Twin Killer Sudoku. I plan to be more regular with my creations now and hope the patronage continues. *Twin Kill...18 hours ago
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Snipperclips Plus Adds Content To Nintendo Switch, Nov. 10 - [image: Snipperclips Plus Adds Content To Nintendo Switch, Nov. 10.] *Snipperclips Plus - Cut it Out, Together!* will be expanding the cooperative original...3 days ago
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Cross the Streams by Murat Can Tonta [Patron Bonus] - We make posts for our patron bonus puzzles so that people have a space to comment on these puzzles, mark as FAVES, or log their solving. If you are inter...3 days ago
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Futoshiki # 6 - This is three new Futishiki puzzles of size 7X7. The rules are simples, in each cell put the number from 1 to 7 in such way that at the end each row and ...4 days ago
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Hochhausrätselwettbewerb - An diesem Wochenende (Samstag früh bis Sonntag spät) findet auf unseren Seiten der 9. Hochhausrätselwettbewerb statt, wie immer von Roland "Hausigel" Voigt...6 days ago
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[コンピュータ][不具合]Edgeが使えない - 今日、Windows10をアップデートしたら、ブラウザーEdgeを開こうとすると警告メッセージが画面の右下に出てくるようになった。注：そのメッセージに書いてある番号は詐欺業者のものらしいので、絶対に電話をかけないこと！そこで、しかたなくInternet Explorerを使うことにし6 days ago
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[線を引くパズル]ウォールロジック２ - 細い糸口が見つかればらくらく大きさ：10*10難易度：おてごろぱずぷれv3で解く＜ルール＞・マスに線を引きます。・数字は、そのマスからタテヨコに伸びるマス数の合計を表しています。・黒マスと数字のマスには線を引けません。1 week ago
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#Sekoya Sor 7 – Kare Karala – Yeni Başlayanlar İçin - Evet, Serdarcığımla tekrar bir araya geldik ve bu sefer Kare Karala’yı tahtaya yatırdık. Kare Karala inanılmaz tatlı bir oyun. Akıl Oyunları, yani Türk Bey...1 week ago
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Puzzle 382: Statue Park - This is a statue park. *Edit: Modified fpr uniqueness.* *Theme: Anti-symmetry*2 weeks ago
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Puzzle 148: Fillomino - Here’s a Fillomino puzzle that’s left over from my Ramayan round round earlier this year. The construction failed a bit, but I hope you enjoy it nonetheles...2 weeks ago
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puzzle! 13.113 - 【9/20 更新】 New!! ・スリザーリンクの問題を追加しました。 ・ぬりかべ３９に関して、募集していた修正案を掲載しました。 本当に助かりました。ありがとうございました！ ・（9/18）ヤジリンの一部の問題を修正しました。 ・（9/18）のりのりの一部の問題を修正しました。 【9/17 更新】 ・ヤジリ...2 weeks ago
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Looking forward to the 2017 Mind Sports Olympiad, including a Sudoku and Kenken contest - OK, I do a post like this one every year, but it’s better than there not being an event to post about. (This year, I’ll even remember to put the tags back ...3 weeks ago
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Mother’s Day Meeting - After getting our hands on last year’s batch of WSC puzzles; me and Sinchai decided to simulate the WSC experience. Mother’s Day was coming up and with i...4 weeks ago
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More Tiny Puzzles - I’m so terrible at keeping my blog updated, eh. Here’s a not-so-standard logic puzzle and two standard not-logic puzzles. Snake Locate a snake in the grid....4 weeks ago
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Mirror, Mirror… Wherefore art thou, mirror? - I was recently chatting with Dr. David Nacin, a fellow puzzle enthusiast who has taken a keen interest in solving, studying, and sharing my Haunted Mirror ...1 month ago
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Puzzle 148 – Matchstick Puzzle - I’m 20 today! There are 20 matchsticks arranged in the shape of the word TWENTY below. Your goal is to move just 4 matchsticks to make an expression which,...1 month ago
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Puzzle #9 - This is a Masyu puzzle. Difficulty: *trivial* Theme: *Diagonal... Symmetry?!* Puz-PRE link. Alright, so I took my Shindanmaker result a little too lite...1 month ago
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2017 Sudoku GP: Round 7 Russia - So this was a round that I really wanted to finish to cement a good end to the GP series. the puzzles this time round were provided by Andrey Bogdanov of ...2 months ago
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アンビグラム ３ - 僕がやっているスポーツである「オリエンテーリング」をテーマにアンビグラムを作りました。 英語で書くと「orienteering」。それをtとeの間を軸とした線対称な図形でもそう読めるようにしたのがこちら。 少し読みにくいですがわかっていただけましたか？ そして、「せっかくオリエンテーリングをテーマにしてい...2 months ago
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Puzzle 25: Oasis - Rules (from the WPC 2016 instruction booklet): “Shade some cells in the grid. Shaded cells cannot touch each other orthogonally. All unshaded cells must be...2 months ago
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BmMT Puzzle Round 2016 - My most recent large puzzle project is the puzzle round from Berkeley mini Math Tournament last November. I will most likely not be creating one for the 20...2 months ago
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#881: Liar Area 51 - Today I'm finally able to share a really tough Area 51 variant I've been working on since March. In Liar Area 51, one clue from each row and column is fals...2 months ago
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Hexagonal Kurokuron - Kurokuron (クロクロ一ン: “black clone”), is a shading puzzle that first appeared in Puzzle Communication Nikoli issues 153-155. Identical rules apply to a hexago...3 months ago
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六一儿童节（箭头数独） - 今天是六一儿童节了，在此祝小朋友们节日快乐！ 【箭头数独】 规则：将1～9填入空格内，使得每行、每列及每个九宫格内均无重复数。圈内的数字为箭头经过的所有格的数字之和，数字可重复。3 months ago
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Taking a Step Back - There’s some point in the decline of a blog’s activity at which you just can’t apologize with a straight face for not posting any more. Only ironically. I ...4 months ago
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UKPA Open 2017: Arrows - This round was provided for this year's UKPA Open. The round was themed around arrows. I had thought of making a set themed around arrows before. There's a...4 months ago
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26 January, 2017 - Oops! We forgot to create a page where you can check answers to the archived 2016 puzzles without spoiling yourself on the solutions. Until now! If you mis...7 months ago
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(37.) Twin Skyscrapers - The puzzle itself is somewhat gimmicky, but I think there’s potentially interesting variations of the idea. Each grid obeys regular Skyscrapers rules. Addi...8 months ago
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Not something that's not about hats - Not gonna talk about that! Instead, let's go into unnecessary detail to solve a hat puzzle. Back in March, I saw a video featuring two puzzles about prison...10 months ago
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11e Championnats du Monde de Sudoku et 25e Championnats du Monde de Jeux de Logique - À l'adresse des personnes peu familières de la langue anglaise, un compte-rendu en français agrémenté de nombreuses photos est disponible sur le site htt...10 months ago
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Killer sudoku N°14 - Voici le 500ème puzzle publié sur ce blog ! Ce sudoku est également le dernier qui sera publié ici. J'espère que vous, chers lecteurs, avez apprécié et c...10 months ago
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Neue Rätsel auf www.janko.at - Es gibt neue Rätsel: Aisuban: 21–30 [von Iwa Daigeki] Corral: 171–180 Curving Road: 31–40 Galaxien: 421–430 Knossos: 151–160 Kurotto: 91–100 Nanbaboru: 1...1 year ago
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Puzzle Ramayan – Loops - Hello, If there are some very very patient individuals who still keep tabs on this blog (and thanks for sticking around), I do plan to make it active again...1 year ago
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楼系列之二十六——四邻楼 - 根据芦老师的想法，把“四邻”的概念引入摩天楼里。还好，羊年的事情，在羊年解决啦！ 规则： 1，在每个实线格内填入1-6中的一个数，并使每个行、列都没有重复数； 2，盘外虚线格中数字是该位置的摩天楼观测数； 3，圆圈格数字与其四周相邻格（包括虚线格）数字的关系须同时满足：上邻比它大、下邻比它小、左邻是奇数...1 year ago
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Puzzle Ramayan 2015-16: Shading Round (Jan 23-26) - *Do you like Shading ? * Well here is Ongoing Shading Round of Puzzle Ramayan 15-16 on Logic Masters India authored by Me. *About Puzzle Ramayan:* Puzzle Ra...1 year ago
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Puzzle #56 – Star Battle - Haven’t published a puzzle in a while. I should try getting back into the habit of doing so. Rules Solution1 year ago
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SVC (snake variant contest ) - SVC (snake variant contest ) authored by me on LMI for the first time :) http://logicmastersindia.com/2015/SVC/1 year ago
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10 September, 2015 - CiSRA has decided not to run the CiSRA Puzzle Competition any more. We thank you for your participation over the years, and hope that you had as much fun a...2 years ago
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USPC 2015 is over - I haven’t found much discussion online; maybe it’s on sites like Facebook where I’m not present, so let’s dump some thoughts here. Tentatively, I finished,...2 years ago
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Puzzle 68: The One Ring - See Puzzle 3 for *most* of the instructions. I've added two additional elements here (and I lack the time to properly update the full rules to include the...2 years ago
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第4届甜菜杯数独谜题邀请赛即将开始 - 去年成功举办了第3届甜菜杯之后，今年一直有爱好者关注第4届甜菜杯什么时候举行，我和廖然也多次讨论今年是否举办。最终我们决定在年底前举办第4届甜菜杯。跟去年一样，廖然负责数独组的题目，我负责谜题组的题目。为了不跟大学生数独赛时间冲突，这次甜菜杯线下赛时间确定为12月27-28日。 今年的甜菜杯谜题组如何出题，让...2 years ago
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Holiday Discount Puzzle 2014 - Fifth Annual Holiday Discount Puzzle Solve this puzzle for 10% off any order! December is here once again, and that can mean only one thing: it's time agai...2 years ago
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nr. 940 - Daily League Sudoku - Even Group-Inequility Sudoku - I like the sudokus where you have to mark the odd-even cells. Such as Mathrax or yesterday Odd-Even Count Sudoku by Prasanna Seshadri. Here is another this ...3 years ago
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An End... and a Beginning - I will keep this blog open as an archive. I thank all readers and friends for making this blog a success (according to me!). After a long break, I'll be ba...3 years ago
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Conceptis「最も難しい加算パズル」を解いてみた(5・完) - Conceptis「最も難しい加算パズル」を解いてみた(1) Conceptis「最も難しい加算パズル」を解いてみた(2) Conceptis「最も難しい加算パズル」を解いてみた(3) Conceptis「最も難しい加算パズル」を解いてみた(4) 今回で最終回です。 (9) 中央部...3 years ago
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2013年 振り返り。 - おはようございます、こんにちは、こんばんは。ちみかなです。 2013年も残り1時間を切りました。今年はどうしようかと思いましたが、 一応慣習ですので、振り返ってみたいと思います。 ○仕事 今年は一年ずっと鳥取で仕事をしました。デスマーチと呼ぶレベルではないのでしょうが、 それなりに頑張ったように思います。...3 years ago
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WPC Playoops - So a tremendous WPC has ended. I simply wish my performance in the end lived up to my own expectations in the way that the quality of the puzzles and organ...3 years ago
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Puzzle 16: BACA - Been a while. This one's pretty easy, but I was inspired by a puzzle on GM Puzzles yesterday. Rules (as swiped from GM Puzzles): Either shade or add a sin...3 years ago
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Dominoes 1 - I wish I had a way to link to an Excel spreadsheet in this blog, but I don't see one. Guess you'll just have to print this one out.4 years ago
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[heyawake]121212 - 今日は2012年12月12日で12が3つの日だ。というわけで昨年に引き続き12が3つへやわけ。サイズも12x12。ぱずぷれv3ちょっと難しくなりすぎたかな。4 years ago
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会誌のデータをあげました - お久しぶりです。wingです。前回の更新が4/22だったので約半年ぶりですね。更新放置しててすみませんでした。m(__)m多分もう更新することはほとんどないと思いますが・・・さて、要望があったので今年の文化祭で配布した会誌のデータをアップします。いろいろと訂正すべき点がまだまだありますがあしからず・・・感想等...4 years ago
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Fillomino Cipher - This is a Cipher Fillomino Puzzle. Rules are at http://logicmastersindia.com/lmitests/dl.asp?view=1&attachmentid=282 (Hopefully, as indicated in the puzzle...4 years ago
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Les îles elles-mêmes finissent par sombrer - C'est officiel ; il m'est définitivement plus plaisant de repartir de zéro que de corriger encore et toujours un travail n'ayant pas l'heur de me satisfair...4 years ago
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Doppelblock - Fill in the grid with the numbers 1 to 4. In each row and each column is each number exactly once. There are also in each row and column two blackened ce...6 years ago
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Nurimino (Nurikabe Fillomino) - *Nurimino*: Here's another hybrid puzzle. In a sense, each solution is both a valid Nurikabe and a valid Fillomino solution. All given numbers clues in ...7 years ago
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9999-06-07 - ※※※※※宣伝※※※※※ 開発をサポートしたPlayStation Mobile「不思議の国のラビリンス」がリリースされました。 http://www.4gamer.net/games/999/G999903/20130607053/ 遊んでね！48 years ago
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All blog content by Αντώνης Λαλάτσας. All blog content is released under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported license.
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