Singles in Rows, Columns, and Blocks Strategy - Sudoku
www.thonky.comA simple strategy for finding out if a square can only contain one possible number.
Improve Your Blockudoku Score With These Tips! | MKELS.COM
www.mkels.comAmong the most beloved block games is Blockudoku, a combination of block puzzles and Sudoku. The game requires you to destroy lines and ...
Sudoku Solving Techniques - Kristanix Games
www.kristanix.comTips on Solving Sudoku Puzzles - Sudoku Solving Techniques ... You know that each block, row and column on a Sudoku board must contain every number between ...
New sudoku solving technique - Empty Block Line strategy
www.tectonicpuzzel.euTHE EMPTY BLOCK LINE TECHNIQUE · We place the numbers 1, 2 and 8 where the question marks are and meanwhile we scan the numbers present in the row and the block ...
About the game - BlockuDoku
blockudoku.easybrain.comBlockuDoku is a combination of sudoku and block puzzle games. Your goal is to remove lines and squares by matching blocks. To do this:.
Sudoku techniques - Conceptis Puzzles
www.conceptispuzzles.comThere are more complex ways to find numbers by using the process of elimination. In this example the 1 in square c8 implies that either square e7 or square e9 ...
Sudoku strategies
www.sudokudragon.comTo use this technique you choose a promising square and mentally run through each number in turn that might go in it, if you are left with only one number then ...
Sudoku Assistant -- Solving Techniques - St. Olaf College
www.stolaf.eduThe rule of singles requires: When a candidate k is possible in only a single cell of a row, column, or block, then that cell must be k. This ...
Sudoku strategy guide - Chess and Poker Dot Com
www.chessandpoker.comA complete solution requires that each Block, Row and Column of the puzzle board must contain the digits 1-9 exactly one time each, but not more than once. So ...
Tips to get higher score - Woody Puzzle iOS
athena.helpshift.comHere are some tips to get higher scores: 1. Start the game by placing blocks in the middle. 2. Always save space for large blocks. 3. Clean off block lines ...
The Math Behind Sudoku: Solving Strategy - Department of ...
pi.math.cornell.eduThe most basic strategy to solve a Sudoku puzzle is to first write down, ... Note all the cells in the row, column, or block in which the number can be ...
How to Get a High Score in the Block Puzzle Game Online?
www.mpl.live... need to get a higher score. These tips will help with a high score in block puzzle. ... Also Read: Top 7 tips on sudoku for beginners ...
Woodoku on the App Store
apps.apple.comWoodoku 12+. Woody Block Puzzle - Sudoku 99. Tripledot Studios ... #5 in Strategy ... Woodoku: wood block puzzle games meet a sudoku grid.
Block Puzzle-Wood Sudoku Game Wiki - Mycryptowiki
mycryptowiki.comAI - "Wood Block Sudoku Game is a Free Sudoku Block Game. It combines the classic block puzzles and sudoku! It is simple to play and fun to ...
8 Sudoku strategies for beginners explained | SudokuOnline.io
www.sudokuonline.ioExample. crosshatching sudoku technique. In the highlighted square, there are three empty spots to be filled with the missing numbers 1, 2 and 6.
Sudoklue Techniques
www.sudoklue.comWhenever any row, column, or block has 8 numbers filled in, the ninth is an ... (while still very complex in comparison to other Sudoku solving techniques), ...
5 Sudoku Tips for Absolute Beginners
sudoku.comUsually this is where there is a crowded square or a row that is almost full of numbers. Sometimes, especially on the Easy-rated Sudoku puzzles, ...
How To Solve Sudoku Puzzles
puzzlebooksplus.comIf the correct entry is not obvious, pencil all possible candidate numbers into that square. Then using your penciled-in numbers and the logic shown in these ...
Intersections (Locked Candidates - pointing and claiming)
hodoku.sourceforge.netSolving Techniques for sudoku - Locked Candidates (pointing and claiming) ... If in a block all candidates of a certain digit are confined to a row or ...
How to Play Sudoku: Tips and Tricks to Beat Any Sudoku Puzzle
inspirationfeed.comSudoku Variations · 1. Complexity The most common Sudoku variation is in relation to its complexity. · 2. Grid size and/or block shape. The 9 x 9 ...
Mathematics of Sudoku - Wikipedia
en.wikipedia.orgMathematical context[edit]. The general problem of solving Sudoku puzzles on n2×n2 grids of n×n blocks is known to ...
Block Puzzle - Sudoku Style: Walkthrough Guide | AppsMeNow!
appsmenow.comHere you will find guides such as gameplay videos and walkthroughs for all levels, including our Block Puzzle tips, cheats and solutions, ...
Sudoku: Strategy Versus Structure∗ - CiteSeerX
citeseerx.ist.psu.eduSudoku puzzles, and their variants, have become extremely popular in the ... block strategies in solving a Sudoku puzzle also means that the relaxation.
Killer Sudoku Solving Techniques and Tips
sudokusolver.comAn essential Killer Sudoku solving technique is the "45 rule". This uses the fact that every row, column and block must contain each of the numbers 1 to 9 once.
Sudoku Block Puzzle - Word Games
www.wordgames.comThe best and most addictive logic puzzles with a combination of sudoku and block puzzle! Match blocks to complete lines and squares to win.
Solving Block Sudoku - Part 5 - Drakeor is Innocent!
drakeor.comSolving Block Sudoku - Part 5 ... In the previous post, I tried to build a DQN to play the game with less than stellar results. So in this post, I ...
Block Sudoku Puzzle - Skillz - AppAdvice
appadvice.comFill the board, Clear the board, Score points and Win. A simple puzzle game with deep strategy. Includes tournaments and head-to-head ...
Generalizing Sudoku Strategies - SudokuWiki.org
www.sudokuwiki.orgThe user is given a partially-filled Sudoku grid and, using logic and following the basic row / column / block constraints, fills in the rest of the grid. A ...
Sudoku Solver - with Step by Step - Online Resolver - dCode
www.dcode.frDoes a rectangular sudoku or non square sudoku exists? Solve a sudoku grid. 9x9 Sudoku Grid ...
Sudoku: Strategy versus Structure - UCI Mathematics
www.math.uci.eduthat each block B € B has a complete set / of indices assigned to it. A requirement for all valid Sudoku puzzles is that there is exactly one solution that ...
Sudoku Helper - Strategies
www.mathstat.dal.caThus, when a square is solved, the digit in that square can be eliminated as a possibility from all other squares in the same row, column or block. 2. Buckets.
Wood Block Sudoku : Puzzle Game free - Amazon.com
www.amazon.comIt combines the classic block puzzles and sudoku! It is simple to play and fun to keep challenging yourself. Not only can you smash blocks in lines, ...
How to Solve a Sudoku - wikiHow
www.wikihow.com
Omission (Intersection, Pointing, Blocking, Claiming) - Learn ...
www.learn-sudoku.comOmission. "Omission" is a term I use to encompass several closely related techniques, all involving removing pencil marks under the right circumstances.
Sudoku | Backtracking-7 - GeeksforGeeks
www.geeksforgeeks.orgA Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, ...
Double Pairs – Sudoku of the Day
www.sudokuoftheday.comSolving Sudoku : Double Pairs. This technique relies on spotting two pairs of ... Take a look at the places where 2 can be for the middle column of blocks.
What is the game called if you remove the subgrid (block or ...
www.quora.comHowever, the block constraint is what makes Sudoku exceptionally successful as a logic puzzle. It allows a variety of solving techniques that are ...
Wood Block Sudoku Game -Classic Free Brain Puzzle ...
mobilecheats.edu.plWood Block Sudoku Game is a Free Sudoku Block Game. It combines the classic block puzzles and sudoku! It is simple to play and fun to keep ...
Sudoku:solving It for Beginners and the Expirienced
www.instructables.comA cell is the smallest block in the game. A row , column and region consists of 9 cells and the whole game consists of 81 cells. A region has thicker lines ...
Singles in Rows, Columns, and Blocks Strategy - Sudoku
www.thonky.comA simple strategy for finding out if a square can only contain one possible number.
Improve Your Blockudoku Score With These Tips! | MKELS.COM
www.mkels.comAmong the most beloved block games is Blockudoku, a combination of block puzzles and Sudoku. The game requires you to destroy lines and ...
Sudoku Solving Techniques - Kristanix Games
www.kristanix.comTips on Solving Sudoku Puzzles - Sudoku Solving Techniques ... You know that each block, row and column on a Sudoku board must contain every number between ...
New sudoku solving technique - Empty Block Line strategy
www.tectonicpuzzel.euTHE EMPTY BLOCK LINE TECHNIQUE · We place the numbers 1, 2 and 8 where the question marks are and meanwhile we scan the numbers present in the row and the block ...
About the game - BlockuDoku
blockudoku.easybrain.comBlockuDoku is a combination of sudoku and block puzzle games. Your goal is to remove lines and squares by matching blocks. To do this:.
Sudoku techniques - Conceptis Puzzles
www.conceptispuzzles.comThere are more complex ways to find numbers by using the process of elimination. In this example the 1 in square c8 implies that either square e7 or square e9 ...
Sudoku strategies
www.sudokudragon.comTo use this technique you choose a promising square and mentally run through each number in turn that might go in it, if you are left with only one number then ...
Sudoku Assistant -- Solving Techniques - St. Olaf College
www.stolaf.eduThe rule of singles requires: When a candidate k is possible in only a single cell of a row, column, or block, then that cell must be k. This ...
Sudoku strategy guide - Chess and Poker Dot Com
www.chessandpoker.comA complete solution requires that each Block, Row and Column of the puzzle board must contain the digits 1-9 exactly one time each, but not more than once. So ...
Tips to get higher score - Woody Puzzle iOS
athena.helpshift.comHere are some tips to get higher scores: 1. Start the game by placing blocks in the middle. 2. Always save space for large blocks. 3. Clean off block lines ...
The Math Behind Sudoku: Solving Strategy - Department of ...
pi.math.cornell.eduThe most basic strategy to solve a Sudoku puzzle is to first write down, ... Note all the cells in the row, column, or block in which the number can be ...
How to Get a High Score in the Block Puzzle Game Online?
www.mpl.live... need to get a higher score. These tips will help with a high score in block puzzle. ... Also Read: Top 7 tips on sudoku for beginners ...
Woodoku on the App Store
apps.apple.comWoodoku 12+. Woody Block Puzzle - Sudoku 99. Tripledot Studios ... #5 in Strategy ... Woodoku: wood block puzzle games meet a sudoku grid.
Block Puzzle-Wood Sudoku Game Wiki - Mycryptowiki
mycryptowiki.comAI - "Wood Block Sudoku Game is a Free Sudoku Block Game. It combines the classic block puzzles and sudoku! It is simple to play and fun to ...
8 Sudoku strategies for beginners explained | SudokuOnline.io
www.sudokuonline.ioExample. crosshatching sudoku technique. In the highlighted square, there are three empty spots to be filled with the missing numbers 1, 2 and 6.
Sudoklue Techniques
www.sudoklue.comWhenever any row, column, or block has 8 numbers filled in, the ninth is an ... (while still very complex in comparison to other Sudoku solving techniques), ...
5 Sudoku Tips for Absolute Beginners
sudoku.comUsually this is where there is a crowded square or a row that is almost full of numbers. Sometimes, especially on the Easy-rated Sudoku puzzles, ...
How To Solve Sudoku Puzzles
puzzlebooksplus.comIf the correct entry is not obvious, pencil all possible candidate numbers into that square. Then using your penciled-in numbers and the logic shown in these ...
Intersections (Locked Candidates - pointing and claiming)
hodoku.sourceforge.netSolving Techniques for sudoku - Locked Candidates (pointing and claiming) ... If in a block all candidates of a certain digit are confined to a row or ...
How to Play Sudoku: Tips and Tricks to Beat Any Sudoku Puzzle
inspirationfeed.comSudoku Variations · 1. Complexity The most common Sudoku variation is in relation to its complexity. · 2. Grid size and/or block shape. The 9 x 9 ...
Mathematics of Sudoku - Wikipedia
en.wikipedia.orgMathematical context[edit]. The general problem of solving Sudoku puzzles on n2×n2 grids of n×n blocks is known to ...
Block Puzzle - Sudoku Style: Walkthrough Guide | AppsMeNow!
appsmenow.comHere you will find guides such as gameplay videos and walkthroughs for all levels, including our Block Puzzle tips, cheats and solutions, ...
Sudoku: Strategy Versus Structure∗ - CiteSeerX
citeseerx.ist.psu.eduSudoku puzzles, and their variants, have become extremely popular in the ... block strategies in solving a Sudoku puzzle also means that the relaxation.
Killer Sudoku Solving Techniques and Tips
sudokusolver.comAn essential Killer Sudoku solving technique is the "45 rule". This uses the fact that every row, column and block must contain each of the numbers 1 to 9 once.
Sudoku Block Puzzle - Word Games
www.wordgames.comThe best and most addictive logic puzzles with a combination of sudoku and block puzzle! Match blocks to complete lines and squares to win.
Solving Block Sudoku - Part 5 - Drakeor is Innocent!
drakeor.comSolving Block Sudoku - Part 5 ... In the previous post, I tried to build a DQN to play the game with less than stellar results. So in this post, I ...
Block Sudoku Puzzle - Skillz - AppAdvice
appadvice.comFill the board, Clear the board, Score points and Win. A simple puzzle game with deep strategy. Includes tournaments and head-to-head ...
Generalizing Sudoku Strategies - SudokuWiki.org
www.sudokuwiki.orgThe user is given a partially-filled Sudoku grid and, using logic and following the basic row / column / block constraints, fills in the rest of the grid. A ...
Sudoku Solver - with Step by Step - Online Resolver - dCode
www.dcode.frDoes a rectangular sudoku or non square sudoku exists? Solve a sudoku grid. 9x9 Sudoku Grid ...
Sudoku: Strategy versus Structure - UCI Mathematics
www.math.uci.eduthat each block B € B has a complete set / of indices assigned to it. A requirement for all valid Sudoku puzzles is that there is exactly one solution that ...
Sudoku Helper - Strategies
www.mathstat.dal.caThus, when a square is solved, the digit in that square can be eliminated as a possibility from all other squares in the same row, column or block. 2. Buckets.
Wood Block Sudoku : Puzzle Game free - Amazon.com
www.amazon.comIt combines the classic block puzzles and sudoku! It is simple to play and fun to keep challenging yourself. Not only can you smash blocks in lines, ...
How to Solve a Sudoku - wikiHow
www.wikihow.com
Omission (Intersection, Pointing, Blocking, Claiming) - Learn ...
www.learn-sudoku.comOmission. "Omission" is a term I use to encompass several closely related techniques, all involving removing pencil marks under the right circumstances.
Sudoku | Backtracking-7 - GeeksforGeeks
www.geeksforgeeks.orgA Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, ...
Double Pairs – Sudoku of the Day
www.sudokuoftheday.comSolving Sudoku : Double Pairs. This technique relies on spotting two pairs of ... Take a look at the places where 2 can be for the middle column of blocks.
What is the game called if you remove the subgrid (block or ...
www.quora.comHowever, the block constraint is what makes Sudoku exceptionally successful as a logic puzzle. It allows a variety of solving techniques that are ...
Wood Block Sudoku Game -Classic Free Brain Puzzle ...
mobilecheats.edu.plWood Block Sudoku Game is a Free Sudoku Block Game. It combines the classic block puzzles and sudoku! It is simple to play and fun to keep ...
Sudoku:solving It for Beginners and the Expirienced
www.instructables.comA cell is the smallest block in the game. A row , column and region consists of 9 cells and the whole game consists of 81 cells. A region has thicker lines ...
The Ultimate Sudoku Strategy Guide | Learn all the Tricks
bestofsudoku.comThe objective of Sudoku is to fill a 9x9 grid made of squares (shown above circled in blue) so that each row, each column, and each full 9x9 square use the ...
Sudoku techniques - Conceptis Puzzles
www.conceptispuzzles.comThe easiest way starting a Sudoku puzzle is to scan rows and columns within each triple-box area, eliminating numbers or squares and finding situations where ...
Sudoku strategies
www.sudokudragon.comSudoku Strategy · Only choice Sudoku rule · Single possibility Sudoku rule · Only square Sudoku rule · Two out of three strategy · Sub-group exclusion Sudoku rule.
The Math Behind Sudoku: Solving Strategy - Department of ...
pi.math.cornell.eduThe most basic strategy to solve a Sudoku puzzle is to first write down, in each empty cell, all possible entries that will not contradict the One Rule with ...
6 Advanced Sudoku Strategies explained - SudokuOnline.io
www.sudokuonline.io6 Advanced Sudoku Strategies explained · 1. The X-Wing · 2. The Swordfish · 3. Forcing Chains · 4. The XY-Wing · 5. Unique Rectangle Type 1 · 6. Nishio.
Sudoku Solving Techniques - Kristanix Games
www.kristanix.comUse the first few techniques to insert as many numbers as you can. Then, when you can add no more numbers to the board using the basic techniques, try the more ...
Killer Sudoku Tips and Strategies
www.killersudokuonline.comBasic Solving Strategies · Rule of 1: This comes directly from the definition of sudoku. · Rule of Necessity: This rule can be applied to sudoku regions (i.e., ...
Sudoku Tips : Learn How To Solve Sudoku Puzzles
www.sudokuessentials.comTo solve the hardest puzzles and games, use advanced strategies such as X-Wing, XY-Wing, and Swordfish. There are two ways to approach the Sudoku Solving ...
Sudoku Strategy for Beginners
sudoku.comSudoku Strategy for Beginners · Look for Easy Opportunities First. Every Sudoku grid, when you start the game, comes with some numbers already placed into their ...
Strategy Families - SudokuWiki.org
www.sudokuwiki.orgThere are two ways one can group all the strategies for Sudoku: by difficulty and by family. Difficulty is rather subjective but necessary, ...
Sudoku Techniques you can master
sudokuprimer.comSudoku Solving Techniques · Introduction · Technique: Solving a single cell · Technique: Row, column and box (container) completion · Technique: Solving sections ( ...
Sudoku solving algorithms - Wikipedia
en.wikipedia.orgA standard Sudoku contains 81 cells, in a 9×9 grid, and has 9 boxes, each box being the intersection of the first, middle, or last 3 rows, and ...
Sudoku Techniques – Sudoku of the Day
www.sudokuoftheday.comTechniques For Solving Sudoku ... Sudoku is a puzzle involving logic – no arithmetic or guessing is required! The basic idea of completing puzzles is to find ...
Sudoku Assistant -- Solving Techniques - St. Olaf College
www.stolaf.eduThe Sudoku Assistant uses several techniques to solve a Sudoku puzzle: cross-hatch scanning, row/column range checking, subset elimination, grid analysis ...
Sudoku Hidden Pairs Strategy explained
www.taupierbw.beSudoku strategies explained with graphics. ... You can practice this strategy by installing the free SudokuCoach Lite application on your Android™ device.
Sudoku Solving Techniques: Aaron, Sam - Amazon.com
www.amazon.comSudoku Solving Techniques [Aaron, Sam] on Amazon.com. *FREE* shipping on qualifying offers. Sudoku Solving Techniques.
Sudoku Hard Strategy and Techniques level 4 game 1
suresolv.comSudoku hard Strategy and techniques for easy solution ... As a strategy we always try first—the row-column scan to find the valid cell at any ...
The Naked Pair in Sudoku - NRICH
nrich.maths.orgThis article describes a particular strategy useful in solving Sudoku puzzles known as "the naked pair". The discussions will be based on the Sudoku shown ...
Sudoku Strategy. X-Wings are the simplest of the chaining ...
www.pinterest.co.ukTop Nine Most Often Used Strategies for Solving Expert Sudoku Puzzles. Master these strategies and be an expert. Please visit my channel and check out my other ...
Sudoku strategy guide - Chess and Poker Dot Com
www.chessandpoker.comSudoku strategy guide that covers the techniques used to solve Sudoku puzzles, with detailed graphics and thorough explanations.
Irregular Sudoku Solving Tips - Puzzle Magazines
www.puzzle-magazine.comNow download the jigsaw sudoku puzzle magazine and enjoy 100 fun jigsaw sudoku puzzles. Read more Puzzle Strategy Tips on a range of different puzzle types.
Advanced Techniques - Learn Sudoku
www.learn-sudoku.comAdvanced Techniques. A Quick Warning… At this point, you have learned all the basic Sudoku concepts. And while understanding them is certainly no easy task, ...
Learn Sudoku Strategies - Thonky.com
www.thonky.comLearn strategies to help you solve even the most difficult sudoku puzzles.
Between 1 & 9 Sandwich Sudoku solving techniques - tectonic ...
www.tectonicpuzzel.euTechniques solving Between 1 and 9 Sudoku. Overview of methods and strategies to solve Sandwich Sudokus using list with combinations.
Skyscraper, How to solve sudoku puzzles
www.sudoku9981.comSkyscraper, How to solve sudoku puzzles - Solving sudoku strategy,picture 1. The candidates for digit 4 in rows 4 and 7 are conjugate pairs.
What is the best Sudoku strategy? - Quora
www.quora.com1. Find out quickly most appearing number initially (say 4). 2. For that number (4 in our case), fill all possible squares wherever it fits (generally you find ...
Exact Method for Generating Strategy-Solvable Sudoku Clues
arxiv.orgA Sudoku puzzle often has a regular pattern in the arrangement of initial digits and it is typically made solvable with known solving techniques ...
Basic Strategy and Rules of Sudoku - Anthology of Ideas
anthologyoi.comBasic Strategy and Rules of Sudoku. April 31, 2007 by aaron. Sudoku is a logical symbol placement puzzle which was originally created in the United States ...
Advanced techniques and sudoku strategy
minimindgames.comAdvanced Sudoku techniques. This page presents a new kind of Sudoku challenge. You need to solve just a particular technique aspect of a Sudoku puzzle, but not ...
Sudoku Solving Techniques
www.sudoku.org.ukY-Wing Strategy. This is an excellent candidate eliminator (and is also known as XY-Wing). The name derives from the fact that it looks like an X-Wing - but ...
Sudoku: Strategy Versus Structure∗ - CiteSeerX
citeseerx.ist.psu.eduSudoku puzzles, and their variants, have become extremely popular in the ... how the ability of this set of strategies to solve a Sudoku puzzle also implies.
Sudoku X Strategy Tips - Puzzle Club
www.thepuzzleclub.comSudoku X shares most of its strategies in common with the main sudoku puzzle; therefore it is well worth reading the section on sudoku strategy for the main ...
[meta] Guides for techniques : r/sudoku - Reddit
www.reddit.comNot the biggest fan of the Hodoku Guide, I prefer sudokuwiki as an online reference. For books so far the best intro to solving techniques has been ( ...
20 Must-Know Sudoku Tips And Tricks For Beginners ...
www.gamesver.com20 Must-Know Sudoku Tips And Tricks For Beginners! (Strategies) · 1. Familiarize yourself with the rules. · 2. Start small. · 3. Keep progressing. · 4. Work on the ...
Second Steps: Strategy tips for classic sudoku - Pokerstars Blog
www.pokerstars.comSecond Steps: Strategy tips for classic sudoku. June 26, 2020inPoker. The best piece of video content ... Watch Simon Anthony unravel the Miracle Sudoku ...
Killer Sudoku Strategy Tips - Puzzle Books
www.puzzle-book.co.ukThe rules and strategy tips on successfully solving Killer Sudoku puzzles. The aim of the puzzle is to place the numbers from 1 - 9 once in each region of ...
The Mathematics Behind Sudoku: Solving Strategy | Article
abakcus.comThe Mathematics Behind Sudoku: Solving Strategy. Copy the below 9×9 grid and complete it so that each row, each column, and each 3×3 box with a wide margin ...
How-to-Solve-Sudoku.pdf - Penny Dell Puzzles
www.pennydellpuzzles.comFinding the candidates to eliminate is where advanced solving techniques—called Deductions—come in. There are 8 different deductive techniques that SudokuSolver ...
Sudoku Helper - Strategies
www.mathstat.dal.caThe Bucket strategy is to try to find a digit that must be in a certain horizontal/vertical bucket; that digit can then be eliminated from the squares of the ...
A Sudoku Puzzle Solver using Strategies - CodeProject
www.codeproject.comThe trick to solving Sudoku puzzles is not to find out where numbers go directly, but is to find out where they cannot and when there is only ...
Killer Sudoku Solving Techniques and Tips
sudokusolver.comSimple Killer Sudoku solving techniques. Killer Sudoku adds a new dimension to standard Sudoku, requiring arithmetic to solve. You will need new specialised ...
Sudoku: Strategy versus Structure - UCI Mathematics
www.math.uci.eduSudoku: Strategy versus Structure. J. Scott Provan. 1. INTRODUCTION. Sudoku puzzles, and their variants, have become extremely popular in the last decade, ...
Sudoku Strategies (Easy Level) - Medium
medium.com... been obsessed with Daily Sudoku on Facebook. I especially enjoy playing the easy puzzles because they can be solved without pencil! Only one strategy is ...