Blank Grid - Play Your Own Sudoku Puzzles
sudoku9x9.comYou can play your own Sudoku puzzles with our online Sudoku blank grid - an easier way to play Sudoku games. Just submit a valid Sudoku puzzle. We will prepare ...
How to Create a Sudoku - wikiHow
www.wikihow.com
Make Sudoku Your Way
www.createclassicsudoku.comMake Sudoku your way, Sudoku DIY. ... Make Sudoku Your Way. Given: a blank Sudoku. Goal: a sudoku with one and only one solution. Toggle Draggable Digits.
Sudoku Generator Algorithm | 101 Computing
www.101computing.netYour task is to design an algorithm used to create a Sudoku Grid. The generated Sudoku grid should have enough clues (numbers in cells) to ...
Sudoku puzzle: Enter a grid to solve and to play online.
www.sudoku-puzzles-online.comButton play in verbose mode. Blank grid. Directions. This page allows you to enter any forward sudoku ...
Build a Sudoku Game and Learn State Management in React
medium.comGame generation. Sudoku is a constraint satisfaction problem. Solving and generating Sudoku puzzles has been an explored topic(see notes). This ...
Sudoku Generator
www.sudokuweb.orgHow can I play sudoku online? · Select your skill level by clicking on a button [9×9, 6×6, 4×4, 4×4 with images] to generate your new sudoku game. · First, select ...
Program for Sudoku Generator - GeeksforGeeks
www.geeksforgeeks.orgThe task is to generate a 9 x 9 Sudoku grid that is valid, i.e., a player can fill the grid following above set of rules. Attention reader!
How to generate Sudoku boards with unique solutions - Stack ...
stackoverflow.com14 Answers · Start with a complete, valid board (filled with 81 numbers). · Make a list of all 81 cell positions and shuffle it randomly. · As long ...
How can I generate Sudoku puzzles? - GameDev ...
gamedev.stackexchange.com5 Answers · To generate a solved puzzle, simply run the solver on an empty board. The only caveat is you should randomise the "guesses" that the solver uses, ...
Building a Sudoku Puzzle Generator Using Vanilla JavaScript
javascript.plainenglish.ioSudoku Board. What is Sudoku? Before I begin explaining how to generate unique Sudoku puzzles, it is important to review the rules of Sudoku ...
How To Create a Solved Sudoku - Algosome
www.algosome.comWhen I first started playing with writing a sudoku game, I took the long way to create sudoku templates. Using a recursive algorithm, I would slowly fill up ...
Generating and solving Sudoku puzzles with Python - lvngd
lvngd.comSteps to generate a Sudoku puzzle · Start with an empty grid. · Generate a complete solution using backtracking that fills up the grid. · Remove ...
Sudoku Solver - Solve Any Sudoku Puzzle Online Instantly
anysudokusolver.comSolve any Sudoku Puzzles . AnySudokuSolver is an Online automatic Sudoku Solver. Just enter the digits in Sudoku board and get the solution instantly.
Mathematics of Sudoku - Wikipedia
en.wikipedia.orgAutomorphic Sudokus are Sudoku puzzles which solve to an automorphic grid. Two examples of automorphic Sudokus, and an automorphic grid are shown below. An ...
Building a Sudoku Solving Application with Computer Vision ...
towardsdatascience.comWe will first build an Object Character Recognition model that can extract digits from a Sudoku grid image and then work on a backtracking ...
How do you make a sudoku grid? - BoardGamesTips
boardgamestips.comHow do you make a sudoku grid? Is there always a way to solve Sudoku without guessing? What is the secret to doing Sudoku puzzles? How many Sudoku grids are ...
Package sudoku - CTAN
ctan.orgsudoku – Create sudoku grids. The sudoku package provides an environment for typesetting sudoku grids. A sudoku puzzle is a 9x9 grid where some of the ...
How to Play Sudoku?
sudoku.comHow to solve sudoku puzzles? In this case, we can quickly notice that there are already number 1s in the top left and center left squares of the grid (with ...
BOHS Wooden Sudoku Board Game with Drawer - Amazon.com
www.amazon.comBooklet with 100 Puzzles & Answers, plenty of puzzles awaiting to solve. No paper or pencil required, ready to use any time. Drawer for Convenient Storage.
Sudoku generator and solver - Kjell Ericson.
kjell.haxx.seGenerate and Solve Sudoku. Here you got my program for creating and solving sudoku problems. You can enter your own problems, or generate your own.
Sudoku Solutions - Solver And Helper | Play Thousands Of ...
www.sudoku-solutions.comSolves any valid sudoku puzzle. ... rate the difficulty of a puzzle or get hints on how to solve a puzzle step by ... Load a saved puzzle into the grid.
Generating & Solving Sudoku in JS & Ruby with Backtracking
dev.toTo generate a game board, we first start by making a completely filled, and correctly solved board out of a completely blank board. The range of ...
Can I make a Sudoku puzzle of my own? - Quora
www.quora.comFirst is to take a blank grid, start by putting some numbers. Then try solving as much as you can. When you reach a point from which you cannot solve ...
Sudoku Bulletin Board Worksheets & Teaching Resources | TpT
www.teacherspayteachers.comFor younger children you can start with more numbers on the sudoku board, and take away numbers to make it more difficult for older students.
Sudoku Solver - AfterAcademy
afteracademy.comA sudoku board of 9x9 is given and you are expected to fill it ... We will now create a Sudoku solver using backtracking by encoding our ...
How hard is it to program a sudoku board generator/solver?
www.reddit.comBefore creating a sudoku board generator, I would create a sudoku solver as that requires you to understand how "backtracking" works. Once you ...
How to Create a Sudoku Game in C++ - PDF.co
pdf.coIn this C++ example, the user pre-defines a board with some initial values and stores them in a 2D array. This two-dimensional array is the game board. The ...
Create Your Own Sudoku Board
www.sudokulovers.comWhen we created Sudoku Lovers, we needed a tool to help us build Sudoku boards and share among our team. We are using this tool internally to build all our ...
Sudoku Generator - Puzzle Maker - Printable Creative
printablecreative.comAn online tool to generate and download Sudoku puzzles with solutions in different difficulty levels, grid sizes and layouts for printing.
Number of Possible Sudoku Puzzle Grids - Business Insider
www.businessinsider.comSudoku puzzles, in which a solver tries to fill in a grid with the ... or make a nice accompaniment to a slow morning cup of coffee on a ...
Mathematicians Solve Minimum Sudoku Problem - MIT ...
www.technologyreview.comSudoku is a number puzzle consisting of a 9 x 9 grid in which some cells contain clues in the form of digits from 1 to 9.
Generating Sudoku Puzzles as an Inverse Problem
sites.math.washington.edunumber of methods that are commonly used to solve Sudoku puzzles, and then con- ... Then, starting with a completed Sudoku board, we.
Sudoku Interactive Bulletin Board - Activity After Math
www.activityaftermath.comInteractive Sudoku Board for your classroom. ... Here is how you can make your own giant Interactive Sudoku Bulletin Board for your ...
sudoku-generator · GitHub Topics
github.comPython based sudoku generator that can create unique Sudoku board based on 4 difficulty levels. This code also includes a brute force sudoku solver that is ...
Building Sudoku for mobile applications (Aivoterveydeksi!)
perrymitchell.netSudoku is a fantastic grid-style puzzle game enjoyed universally on many ... game, but the mathematics behind it is complicated enough to make.
Generating difficult Sudoku puzzles quickly - Daniel Beer
dlbeer.co.nzGrid generator · Choose the empty cell with the fewest possible candidates. If no such cell exists, the grid is filled and the algorithm should ...
How to create a Sudoku puzzle in Python - py4u
www.py4u.netYou can generate a random sudoku solution board where all numbers are filled in and then remove some of them to create the puzzle. This will ensure that the ...
Will We Ever Run Out of Sudoku Puzzles? | Britannica
www.britannica.comUsing combinatorics, we can take any one Sudoku grid and, with various simple tricks, create enough unique grids for you to do one each day for the next century ...
Sudoku Solver - with Step by Step - Online Resolver - dCode.fr
www.dcode.frHow many distinct sudokus exist? Does a rectangular sudoku or non square sudoku exists? Solve a sudoku grid. 9x9 Sudoku Grid ( ...
JavaScript step-by-step Sudoku solver and board generator
www.findbestopensource.comIn this project, students will extend the Sudoku-solving agent developed in the classroom lectures to solve diagonal Sudoku puzzles. A diagonal Sudoku puzzle is ...
Free Blank Printable Sudoku Grids - Vertex42
www.vertex42.comI got caught up in the Sudoku Puzzle frenzy and created a special blank Sudoku grid that has squares for organizing my pencil marks (i.e. the candidates).
Sudoku Algorithm: Generates a Valid Sudoku in 0.018 seconds
www.codeproject.comThe aim of this project was to create a fast, short and reliable Sudoku algorithm. ... one square at a time to produce a working Sudoku grid.
Blank Grid - Play Your Own Sudoku Puzzles
sudoku9x9.comYou can play your own Sudoku puzzles with our online Sudoku blank grid - an easier way to play Sudoku games. Just submit a valid Sudoku puzzle. We will prepare ...
How to Create a Sudoku - wikiHow
www.wikihow.com
Make Sudoku Your Way
www.createclassicsudoku.comMake Sudoku your way, Sudoku DIY. ... Make Sudoku Your Way. Given: a blank Sudoku. Goal: a sudoku with one and only one solution. Toggle Draggable Digits.
Sudoku Generator Algorithm | 101 Computing
www.101computing.netYour task is to design an algorithm used to create a Sudoku Grid. The generated Sudoku grid should have enough clues (numbers in cells) to ...
Sudoku puzzle: Enter a grid to solve and to play online.
www.sudoku-puzzles-online.comButton play in verbose mode. Blank grid. Directions. This page allows you to enter any forward sudoku ...
Build a Sudoku Game and Learn State Management in React
medium.comGame generation. Sudoku is a constraint satisfaction problem. Solving and generating Sudoku puzzles has been an explored topic(see notes). This ...
Sudoku Generator
www.sudokuweb.orgHow can I play sudoku online? · Select your skill level by clicking on a button [9×9, 6×6, 4×4, 4×4 with images] to generate your new sudoku game. · First, select ...
Program for Sudoku Generator - GeeksforGeeks
www.geeksforgeeks.orgThe task is to generate a 9 x 9 Sudoku grid that is valid, i.e., a player can fill the grid following above set of rules. Attention reader!
How to generate Sudoku boards with unique solutions - Stack ...
stackoverflow.com14 Answers · Start with a complete, valid board (filled with 81 numbers). · Make a list of all 81 cell positions and shuffle it randomly. · As long ...
How can I generate Sudoku puzzles? - GameDev ...
gamedev.stackexchange.com5 Answers · To generate a solved puzzle, simply run the solver on an empty board. The only caveat is you should randomise the "guesses" that the solver uses, ...
Building a Sudoku Puzzle Generator Using Vanilla JavaScript
javascript.plainenglish.ioSudoku Board. What is Sudoku? Before I begin explaining how to generate unique Sudoku puzzles, it is important to review the rules of Sudoku ...
How To Create a Solved Sudoku - Algosome
www.algosome.comWhen I first started playing with writing a sudoku game, I took the long way to create sudoku templates. Using a recursive algorithm, I would slowly fill up ...
Generating and solving Sudoku puzzles with Python - lvngd
lvngd.comSteps to generate a Sudoku puzzle · Start with an empty grid. · Generate a complete solution using backtracking that fills up the grid. · Remove ...
Sudoku Solver - Solve Any Sudoku Puzzle Online Instantly
anysudokusolver.comSolve any Sudoku Puzzles . AnySudokuSolver is an Online automatic Sudoku Solver. Just enter the digits in Sudoku board and get the solution instantly.
Mathematics of Sudoku - Wikipedia
en.wikipedia.orgAutomorphic Sudokus are Sudoku puzzles which solve to an automorphic grid. Two examples of automorphic Sudokus, and an automorphic grid are shown below. An ...
Building a Sudoku Solving Application with Computer Vision ...
towardsdatascience.comWe will first build an Object Character Recognition model that can extract digits from a Sudoku grid image and then work on a backtracking ...
How do you make a sudoku grid? - BoardGamesTips
boardgamestips.comHow do you make a sudoku grid? Is there always a way to solve Sudoku without guessing? What is the secret to doing Sudoku puzzles? How many Sudoku grids are ...
Package sudoku - CTAN
ctan.orgsudoku – Create sudoku grids. The sudoku package provides an environment for typesetting sudoku grids. A sudoku puzzle is a 9x9 grid where some of the ...
How to Play Sudoku?
sudoku.comHow to solve sudoku puzzles? In this case, we can quickly notice that there are already number 1s in the top left and center left squares of the grid (with ...
BOHS Wooden Sudoku Board Game with Drawer - Amazon.com
www.amazon.comBooklet with 100 Puzzles & Answers, plenty of puzzles awaiting to solve. No paper or pencil required, ready to use any time. Drawer for Convenient Storage.
Sudoku generator and solver - Kjell Ericson.
kjell.haxx.seGenerate and Solve Sudoku. Here you got my program for creating and solving sudoku problems. You can enter your own problems, or generate your own.
Sudoku Solutions - Solver And Helper | Play Thousands Of ...
www.sudoku-solutions.comSolves any valid sudoku puzzle. ... rate the difficulty of a puzzle or get hints on how to solve a puzzle step by ... Load a saved puzzle into the grid.
Generating & Solving Sudoku in JS & Ruby with Backtracking
dev.toTo generate a game board, we first start by making a completely filled, and correctly solved board out of a completely blank board. The range of ...
Can I make a Sudoku puzzle of my own? - Quora
www.quora.comFirst is to take a blank grid, start by putting some numbers. Then try solving as much as you can. When you reach a point from which you cannot solve ...
Sudoku Bulletin Board Worksheets & Teaching Resources | TpT
www.teacherspayteachers.comFor younger children you can start with more numbers on the sudoku board, and take away numbers to make it more difficult for older students.
Sudoku Solver - AfterAcademy
afteracademy.comA sudoku board of 9x9 is given and you are expected to fill it ... We will now create a Sudoku solver using backtracking by encoding our ...
How hard is it to program a sudoku board generator/solver?
www.reddit.comBefore creating a sudoku board generator, I would create a sudoku solver as that requires you to understand how "backtracking" works. Once you ...
How to Create a Sudoku Game in C++ - PDF.co
pdf.coIn this C++ example, the user pre-defines a board with some initial values and stores them in a 2D array. This two-dimensional array is the game board. The ...
Create Your Own Sudoku Board
www.sudokulovers.comWhen we created Sudoku Lovers, we needed a tool to help us build Sudoku boards and share among our team. We are using this tool internally to build all our ...
Sudoku Generator - Puzzle Maker - Printable Creative
printablecreative.comAn online tool to generate and download Sudoku puzzles with solutions in different difficulty levels, grid sizes and layouts for printing.
Number of Possible Sudoku Puzzle Grids - Business Insider
www.businessinsider.comSudoku puzzles, in which a solver tries to fill in a grid with the ... or make a nice accompaniment to a slow morning cup of coffee on a ...
Mathematicians Solve Minimum Sudoku Problem - MIT ...
www.technologyreview.comSudoku is a number puzzle consisting of a 9 x 9 grid in which some cells contain clues in the form of digits from 1 to 9.
Generating Sudoku Puzzles as an Inverse Problem
sites.math.washington.edunumber of methods that are commonly used to solve Sudoku puzzles, and then con- ... Then, starting with a completed Sudoku board, we.
Sudoku Interactive Bulletin Board - Activity After Math
www.activityaftermath.comInteractive Sudoku Board for your classroom. ... Here is how you can make your own giant Interactive Sudoku Bulletin Board for your ...
sudoku-generator · GitHub Topics
github.comPython based sudoku generator that can create unique Sudoku board based on 4 difficulty levels. This code also includes a brute force sudoku solver that is ...
Building Sudoku for mobile applications (Aivoterveydeksi!)
perrymitchell.netSudoku is a fantastic grid-style puzzle game enjoyed universally on many ... game, but the mathematics behind it is complicated enough to make.
Generating difficult Sudoku puzzles quickly - Daniel Beer
dlbeer.co.nzGrid generator · Choose the empty cell with the fewest possible candidates. If no such cell exists, the grid is filled and the algorithm should ...
How to create a Sudoku puzzle in Python - py4u
www.py4u.netYou can generate a random sudoku solution board where all numbers are filled in and then remove some of them to create the puzzle. This will ensure that the ...
Will We Ever Run Out of Sudoku Puzzles? | Britannica
www.britannica.comUsing combinatorics, we can take any one Sudoku grid and, with various simple tricks, create enough unique grids for you to do one each day for the next century ...
Sudoku Solver - with Step by Step - Online Resolver - dCode.fr
www.dcode.frHow many distinct sudokus exist? Does a rectangular sudoku or non square sudoku exists? Solve a sudoku grid. 9x9 Sudoku Grid ( ...
JavaScript step-by-step Sudoku solver and board generator
www.findbestopensource.comIn this project, students will extend the Sudoku-solving agent developed in the classroom lectures to solve diagonal Sudoku puzzles. A diagonal Sudoku puzzle is ...
Free Blank Printable Sudoku Grids - Vertex42
www.vertex42.comI got caught up in the Sudoku Puzzle frenzy and created a special blank Sudoku grid that has squares for organizing my pencil marks (i.e. the candidates).
Sudoku Algorithm: Generates a Valid Sudoku in 0.018 seconds
www.codeproject.comThe aim of this project was to create a fast, short and reliable Sudoku algorithm. ... one square at a time to produce a working Sudoku grid.
Blank Grid - Play Your Own Sudoku Puzzles
sudoku9x9.comProvides blank Sudoku Grid with features like mouse-only option, pencil marks ... Also includes a Sudoku solver and countless puzzles of varying difficulties.
Sudoku generator and solver - Kjell Ericson.
kjell.haxx.seGenerate and Solve Sudoku. Here you got my program for creating and solving sudoku problems. You can enter your own problems, or generate your own.
Make Sudoku Your Way
www.createclassicsudoku.comMake Sudoku your way, Sudoku DIY. ... Make Sudoku Your Way. Given: a blank Sudoku. Goal: a sudoku with one and only one solution. Toggle Draggable Digits.
How To Create a Solved Sudoku - Algosome
www.algosome.comStep 1: Creating the solved sudoku is easy: just shift the row above to the left by 3 unless its vertical index is equally divisible by 3 (starting with index 0) ...
How to Create a Sudoku - wikiHow
www.wikihow.com
Sudoku Solutions - Solver And Helper | Play Thousands Of ...
www.sudoku-solutions.comSolves any valid sudoku puzzle. Helps you to improve your solving skills and practice solving strategies. Offers thousands of free graded puzzles.
Sudoku puzzle: Enter a grid to solve and to play online.
www.sudoku-puzzles-online.comDirections. This page allows you to enter any forward sudoku puzzle at your convenience. Entering a number with the mouse: • Select your square by clicking ...
Solve and create sudoku, online and free - Puzl - Sudoku puzzles
www.puzl.beEvery puzzle has its own URL, so you can exchange sudoku puzzles you created or solved. Puzl helps you solving a puzzle: whilst entering numbers your puzzle ...
Sudoku Generator Algorithm | 101 Computing
www.101computing.netShould different algorithms be used to generate Sudoku grids for a specific difficulty level? Solution. Our solution is based on 5 steps:.
Generating and solving Sudoku puzzles with Python - lvngd
lvngd.comSteps to generate a Sudoku puzzle · Start with an empty grid. · Generate a complete solution using backtracking that fills up the grid. · Remove ...
How can I generate Sudoku puzzles? - GameDev ...
gamedev.stackexchange.comTo generate a solved puzzle, simply run the solver on an empty board. The only caveat is you should randomise the "guesses" that the solver uses, otherwise you ...
Sudoku solving algorithms - Wikipedia
en.wikipedia.orgSudoku solving algorithms · A typical Sudoku puzzle · A Sudoku (top) being solved by backtracking. Each cell is tested for a valid number, moving "back" when ...
How to generate Sudoku boards with unique solutions - Stack ...
stackoverflow.comHow do you generate a Sudoku board with a unique solution? What I thought was to initialize a random board and then remove some numbers.
Sudoku Creation and Grading - SudokuWiki.org
www.sudokuwiki.orgThere is a class of sudoku puzzle where no known logical solution exists – as far as I know. Other people may be able to solve it elegantly but ...
Sudoku Solver - Solve Any Sudoku Puzzle Online Instantly
anysudokusolver.comSolve any Sudoku Puzzles . AnySudokuSolver is an Online automatic Sudoku Solver. Just enter the digits in Sudoku board and get the solution instantly.
When someone creates a Sudoku puzzle, how do they know ...
www.quora.comAt “Create Sudoku ”, we measure the difficulty level of a created Sudoku based on methods that have to be used to solve it, assuming that a Sudoku solver always ...
Will We Ever Run Out of Sudoku Puzzles? | Britannica
www.britannica.comA solved Sudoku grid is a Latin Square of order nine, meaning n=9. ... we can take any one Sudoku grid and, with various simple tricks, create enough unique ...
Building a Sudoku Solving Application with Computer Vision ...
towardsdatascience.comIn this project, we will build a Streamlit application that can automatically solve Sudoku puzzles given a screenshot of one.
Program for Sudoku Generator - GeeksforGeeks
www.geeksforgeeks.orgThe task is to generate a 9 x 9 Sudoku grid that is valid, i.e., a player can fill the grid following above set of rules. Attention reader!
The Math Behind Sudoku - Department of Mathematics
pi.math.cornell.eduTo solve a Sudoku puzzle, one needs to use a combination of logic and trial-and-error. ... who then wrote a computer program that would generate Sudokus.
Creating and solving your own sudoku puzzles with Python!
www.skillshare.comIn this class, we are going to generate random sudoku puzzles using a naïve but working method using Python! After you have understood how to do it, ...
Solving Every Sudoku Puzzle - Peter Norvig
norvig.comIn this essay I tackle the problem of solving every Sudoku puzzle. ... for s in squares) creates a dictionary which maps each square s to a value that is ...
How to do sudoku - How To Discuss - HowToDiscuss
howtodiscuss.comHow to create a solved sudoku? · Find a single space in the main square. Check each square to see if there is at least one open square in it.
Create your own Sudoku puzzle from scratch using a ...
www.tactonusers.comA genuine Sudoku game only has one solution and as such, it could not be considered a configuration problem per se, since a configuration problem usually has ...
Sudoku Solver - AfterAcademy
afteracademy.comBacktracking Solution. We will now create a Sudoku solver using backtracking by encoding our problem, goal, and constraints in a ...
Help - Sudoku Game - Math Fact Cafe
www.mathfactcafe.comGenerate! Re-Shuffle; How to play Sudoku. Difficulty. The selection of a Difficulty level indicates how hard it will be to solve the Sudoku puzzle. The more ...
Solve Sudoku Puzzles Via Integer Programming - MathWorks
www.mathworks.comThis example shows how to solve a Sudoku puzzle using binary integer ... Create an optimization problem with a rather arbitrary objective function.
Sudoku.net • Single-solution, symmetrical sudoku grids
www.sudoku.netThe authentic Sudoku game played by millions of fans every day. ... Even though it is infinitely more complicated to create symmetrical grids, ...
Generating & Solving Sudoku in JS & Ruby with Backtracking
dev.toCover image for Generating & Solving Sudoku in JS & Ruby with Backtracking ... script that can both generate and solve these boards as well.
Sudoku Puzzles Generating: from Easy to Evil - ZHANGroup
zhangroup.aporc.orgAn effective solving algorithm for searching out all the feasible solutions of a. Sudoku puzzle is indispensible for the generating algorithm to judge whether a.
Sudoku Generator
www.sudokuweb.orgSudoku 9x9, 6x6, 4x4 generator creates sudoku online in three different ... the sudoku puzzle online on your PC, tablet or iPad or print it and solve it ...
Sudoku Solver - with Step by Step - Online Resolver - dCode
www.dcode.frHow many distinct sudokus exist? Does a rectangular sudoku or non square sudoku exists? Solve a sudoku grid. 9x9 Sudoku Grid ( ...
Printable Sudoku Puzzles
worksheets.theteacherscorner.netPlease NOTE: on occasion this may create puzzles that have more than one solution. The only way to tell if a Sudoku puzzle has only one solution is to solve ...
Sudoku Solver - LeetCode
leetcode.comWrite a program to solve a Sudoku puzzle by filling the empty cells. A sudoku solution must satisfy all of the following rules:.
Sudoku Setter
f-puzzles.com... create and copy a shortened link + Ability to hide the timer when solving ... variant: Ratio (Allows for generalized Kropki sudoku) + Animated solution ...
Mathematicians Solve Minimum Sudoku Problem - MIT ...
www.technologyreview.comSudoku is a number puzzle consisting of a 9 x 9 grid in which some cells contain clues in the form of digits from 1 to 9.
Generate New Sudoku Puzzle
www.sudokudragon.comChoosing the level of difficulty is more tricky as the way you solve Sudoku puzzle solving is very individual. A puzzle that one person finds easy someone else ...