What is the secret to solving Sudoku puzzles? -

What is the secret to solving Sudoku puzzles?

There are more than a few techniques to solve a Sudoku puzzle, but per Conceptis Puzzles, the easiest way to a Sudoku solution is to, “Scan rows and columns within each triple-box area, eliminating numbers or squares and finding situations where only a single number can fit into a single square.” If you’re looking to

What is the trick to solve Sudoku fast?

Focus on only one part of a square, row, or column rather than worrying about the entire grid all in one go. Slowly work your way up until you fill up all 81 spaces. You can start with a single square, then a row, then a column. Getting rid of all other distractions will help you solve the Sudoku grid much faster.

How do you solve Sudoku in 10 minutes?

How fast can you solve Sudoku?

According to Guinness World Records, the fastest time to complete a “Very Easy” difficulty Sudoku puzzle was 1 minute 23.93 seconds.

How do you win everytime in Sudoku?

How do you solve Sudoku in 1 minute?

Is there a formula for doing Sudoku?

For example, in the first and fourth columns beginning from the left of the 9×9 grid, we can form the following equations: m+n=a, g+n+f=g+c. In the second and last rows beginning from the top of the 9×9 grid, the following equations can be formed: b+g+f=a+g, e+n+m=a+b+d.22-Mar-2016

What is the secret to winning Sudoku?

The 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 respect to the given cells. If a cell ends up having only one possible entry, it is a “forced” entry that you should fill in.

How many possible Sudoku solutions are there?

6,670,903,752,021,072,936,960 possible

How do you work out a Sudoku puzzle?

What are the 10 steps to solving Sudoku?

What is the fastest way to answer Sudoku?

Focus on a single row, column, or square Slowly work your way up until you fill up all 81 spaces. You can start with a single square, then a row, then a column. Getting rid of all other distractions will help you solve the Sudoku grid much faster.

How long does it take to finish Sudoku?

It is believed that the average Sudoku player spends approximately 20 minutes solving a typical Sudoku puzzle. For very hard puzzles, that number can be much higher. While the game itself can be challenging and complex, several strategies can be used successfully to find the solution.06-Jul-2021

How do you play Sudoku step by step?

Are there more than one solution to a Sudoku puzzle?

The short answer is no. While people commonly think that Sudokus can only have one unique solution, any puzzle with seven or fewer starting clues must mathematically have multiple solutions. This is because in these Sudoku puzzles there cannot be a clue for every digit from 1 to 9 in the initial clue.

Is there any formula to solve Sudoku?

Solve Sudoku (Without Even Thinking!) : 10 Steps (with

The above Sudoku puzzle is classified as easy; I can finish it in under a minute without even writing down possibilities. This basic elimination method is generally the last thing you would be doing for intermediate and advanced puzzles. The hardest Sudoku puzzles require a good amount of logical thinking, observation, and occasionally memory.

Fiendish Sudoku

Sudoku is easy to learn. Place digits from 1 to 9 in each empty cell. Every row, every column, and every 3 x 3 box should contain one of each digit. Fiendish Sudoku posts five new puzzles every day. Each puzzle has a unique solution and can be solved with pure logic, no guessing required.

Finished Sudoku Puzzle – CBS News

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Play Free Sudoku online – solve web sudoku puzzles

Sudoku is a fun puzzle game once you get the hang of it. At the same time, learning to play Sudoku can be a bit intimidating for beginners. So, if you are a complete beginner, here are a few Sudoku tips that you can use to improve your Sudoku skills. Tip 1: Look for rows, columns of 3×3 sections that contain 5 or more numbers.

Web Sudoku – Billions of Free Sudoku Puzzles to Play Online

Play unlimited sudoku puzzles online. Four levels from Easy to Evil. Compatible with all browsers, tablets and phones including iPhone, iPad and Android.

Its a finished sudoku. – Reddit

Its a finished sudoku. Close. 15. Posted by u/[deleted] 4 years ago. Its a finished sudoku. 11 comments. share. save. hide. report. 87% Upvoted. Log in or sign up to leave a comment. Log In Sign Up. Sort by: best. level 1 · 4 yr. ago. Still makes my head hurt. 3. Reply. Share. Report Save Follow. level 2 · 4 yr. ago. It’s a finished Sudoku

PySCIPOpt: examples/finished/sudoku.py Source File

finished; sudoku.py; Generated on Mon Mar 21 2022 14:21:55 for PySCIPOpt by 1.8.17

Sudoku Menu

Features. Click on “Play a Sudoku” to either play a Sudoku of a certain difficulty (easy, medium, hard, or expert) or input your own Sudoku. Click on “Solve a Sudoku” to enter the Sudoku Solver, which allows you to input any Sudoku and see the finished solution. Change Theme: Choose between dark, tan, light, and retro themes.

Half-Finished Sudoku – 131 | F-Off™

Half-Finished Sudoku, Episode 131 of F-Off™ in WEBTOON. A single-paneled comic looking for a pair of nice eyes to look at it.

Who Has the Guinness World Record for Fastest Sudoku

Remember that Sudoku is not your “job” – if it ever stops being fun, just take a break. Get up and go for a walk, have a snack, and come back to the puzzle with fresh eyes. The more you can do to make yourself feel comfortable and just have fun with the simple act of playing Sudoku, the more likely you’ll be to solve Sudoku puzzles faster.

Finished my Sudoku quilt top. Six completed puzzles. Each

Finished my Sudoku quilt top. Six completed puzzles. Each square is 2″, sashed with 1/”2, 1″, 2″. It is 52″x78″. I copied an answer sheet from Frank Longo’s Absolutely Nasty Level 3 puzzle book. Each color represents the same number through all puzzles.

Play hard sudoku online for free

The basic technique that one learns when one wants to improve at Sudoku is to print the hard sudoku grid and equip yourself with colored pens. You can color the cells containing the number 2 in blue, the cells containing the number 1 in red and so on. In this way, you can see whether certain numbers have already been used thanks to the colors.

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PySCIPOpt: examples/finished/sudoku.py File Reference

PySCIPOpt: examples/finished/sudoku.py File Reference. sudoku.py File Reference. Simple example of modeling a Sudoku as a binary program. More Go to the source code of this file.

Sudoku Solver – Solve Any Sudoku Puzzle Online Instantly

Sudoku is one of the most popular logic-based number-placement puzzle game. The literal meaning of “Su-doku” in Japanese is “the number that is single”. The objective is to fill a nine-by-nine (9×9) grid with digits so that each row, column and 3×3 section contain number between 1 and 9, with each number used once and only once in each section.

Web Sudoku – Billions of Free Sudoku Puzzles to Play Online

Every Sudoku has a unique solution that can be reached logically. Enter numbers into the blank spaces so that each row, column and 3×3 box contains the numbers 1 to 9 without repeats. Play Offline with Web Sudoku Deluxe Download for Windows and Mac. Create your own Sudoku Ebook.

Observer sudoku | Life and style | The Guardian

Observer sudoku. Sat 16 Apr 2022 19.01 EDT. Last modified on Sat 16 Apr 2022 19.03 EDT. Click here to access the print version. Fill the grid using the numbers 1 to 9. Each number must appear just

Example Puzzles and Solutions – University of Arizona

Example Puzzles and Solutions. The program is supplied with a directory of example puzzles to try. The directory on MacOS X is ~/Library/Sudoku. If this directory doesn’t exist, the program will create it automatically and place the default puzzles there. You can, of course, enter and save your own puzzle manually as well.

How To Solve Sudoku – Guide to Solving Sudokus

Sudoku puzzles can be intimidating and difficult to solve, but with a proper strategy, focusing on elimination, you can finish a Sudoku puzzle in mere minutes. The first step to solving Sudoku puzzles is to try and assign numbers to cells using the 9 big squares. Every number between 1 and 9 must appear once in every big square.

Blank Sudoku Grid with Features – Play Your Own Sudoku

Printable Sudoku Blank Grid. If you prefer sovling Sudoku puzzles on papers, print out our printable Sudoku blank grid and you do not need to draw the 9×9 grid anymore. Select a digit on the side of the grid first. Then click on the square in the grid where you want to place the selected digit. After entering your puzzle, press “Submit My Puzzle”.

Sudoku – Finished In 4 Minutes (Easy) – YouTube

Easy mood sudoku solved in 4 minutes.Come and play sudoku with me!

Sudoku Academy | Play free online

Most likely you were searching on search engines for keywords like sudoku online free, sudoku online, free printable sudoku or free online sudoku. If you were abroad or your search was in a foreign language, you would most likely have arrived here. Sudoku Academy is an international application and translated into more than 15 languages.

I finished this Sudoku Quilt this week. It is for a

I finished this Sudoku Quilt this week. It is for a granddaughter who is graduating from high school. I began the quilt last fall and waited until this spring to do the quilting. We delivered the quilt yesterday and she was thrilled. You can see one of the squares above. I decided to use my Janome 15000 to do the decorative quilting.

The Ultimate Sudoku Strategy Guide | Learn all the Tricks

The objective of Sudoku is to fill a 9×9 grid made of squares (shown above circled in blue) so that each row, each column, and each full 9×9 square use the numbers 1-9. While solving the sudoku puzzle you can only use each number one time in the square, column, and row.

The Math Behind Sudoku: Solving Strategy

Sudoku – Play Online Puzzles at Coolmath Games

Sudoku Instructions. To play our free online Sudoku game, tap and hold a number to lock it and you can use it for multiple cells. Use the numbers 1-9 in each of the 9 rows, 9 columns, and 3×3 boxes of the Sudoku grid. Use the orange guide to see which numbers you’ve already used in each row, column, and box.

Sudoku Algorithm: Generates a Valid Sudoku in 0.018

It was a good explanation of how to generate a completed sudoku grid. I just finished a Sudoku game and had help from Spirch too. I couldn’t follow his code, but he’s a smart guy and he got me on the right track for my own code. But, I think either your math is wrong or mine is. Your article says you can generate a Sudoku in 0.018 seconds.

Hidden Pairs, Hidden Triples, Hidden Quads Strategy – Sudoku

The hidden pairs, triples, and quads strategy involves looking for a group of candidates that can only occur in the appropriate number of squares, then eliminating other candidates from those same squares. They are called “hidden” because there are other candidates in the same squares as the pairs, triples, and quads. Contents.

Four Corners achievement in Microsoft Sudoku (UWP)

26 0 2. In Classic Puzzles, keep pausing and choosing New Game until the 4 corners of the board are clear, then complete the puzzle filling in those 4 corners last. The Grandmaster difficulty has

Create a Sudoku Solver in Java – Baeldung

The Sudoku Puzzle Simply put, Sudoku is a combinatorial number placement puzzle with 9 x 9 cell grid partially filled in with numbers from 1 to 9. The goal is to fill remaining, blank fields with the rest of numbers so that each row and column will have only one number of each kind.

Sudoku on the App Store

Currently you get a higher score if you finish all the 9’s or 8’s first. Sudoku is a game about patterns, not the actual value of the numbers you’re entering in the squares. The scoring should be based on finishing any given number not the numerical value of that number. I finished a game in less time, with the multiplier at a higher number

Sudoku Puzzles

Keep repeating the above steps, you will be able to finish this Sudoku game very quickly. A hint for you: If you are having trouble determining the value for a square, or the position for a number (you will probably hesitate when at some point, you have 2 squares for you choose to fill in a number), don’t rush or focus too much on it, ignore

The Daily SuDoku

Play any Sudoku online. Click the “Today” button for today’s Daily Sudoku, visit a puzzle in the archive and click “Play online”, or enter a puzzle from any other source. Want a nice printable copy of a puzzle from a newspaper? Input the numbers above and click “Print”. Finished it?

Sudoku Tips to Become a Better Sudoku Solver! – Sudoku

Another Sudoku tip is to look for “naked quads”. Naked quads are like naked triples with the exception that four cells contain only four distinct candidates in a row, column, or region. In the example at the left, the naked quads are circled. They are 3, 5, 6, and 8.

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100 Large Sudoku Printables – Free!

100 Large Free Sudoku Printables (Scroll Down) I’ve created more free sudoku printables, by popular request. The 100 puzzles below are in a large, one-per-page format. Choose from easy, medium, hard, or very hard level of difficulty. Note: For more printable sudoku, see the 100 Free Printable Sudoku Puzzles page.

Mathematics and Sudokus: Solving Algorithms (I)

For a Sudoku solving algorithm, that means that the procedure will eventually end and tell us if a given Sudoku has a solution, and if yes, then we want to know at least one solution (there could be many). Note that “looking at the puzzle and trying to figure it out” would not qualify as an algorithm, since the solver might never finish.

CTC Web App – Cracking The Cryptic

Six-Pack Linked Sudokus by Genomico (Tom Groot Kormelink) This is one large puzzle, consisting of six different variants of 6×6 sudokus, all linked together by circles. A circle is an outside clue for both adjacent puzzles. Normal 6×6 sudoku rules apply to all sudokus, so each row, column and region must contain 1-6.

Sudoku | Backtracking-7 – GeeksforGeeks

Sudoku | Backtracking-7. Difficulty Level : Hard. Last Updated : 23 Mar, 2022. Given a partially filled 9×9 2D array ‘grid [9] [9]’, the goal is to assign digits (from 1 to 9) to the empty cells so that every row, column, and subgrid of size 3×3 contains exactly one instance of the digits from 1 to 9.

Automatic Sudoku Solver

This is a quickly written automatic sudoku solver. It is slower than it could be, because your browser does the heavy lifting with a javascript, and that isn’t very fast. Most puzzles solve in a few seconds, some trickier ones take up to 5 minutes to be solved. But best of all, you can do more useful things in the mean time! “Turbo” mode will

Sudoku Solving Techniques – Kristanix

So if you want to be a sudoku-solving master, read on! Example A. In example A, we’ve plotted in some candidate cells for the number 3. Now, assume that in column 2, 4, 7 and 9, the only cells that can contain the number 3 are the ones marked in red. You know that each column must contain a 3. Example B. Look at example B.

5 Ways to Solve a Sudoku – wikiHow

Sudoku is a game played on a 9 x 9 grid where the object of the game is to fill every space with the correct number. The grid is divided into 9 separate 3 x 3 squares. To complete the grid, every column, row and square (each containing 9 spaces) needs to be filled in with the numbers 1-9 without repeating any numbers within the row, column or

Microsoft Sudoku Achievement Guide & Road Map

Finished a Symbol Sudoku puzzle by placing the last symbol in the exact center of the board (2) This achievement requires that you complete a Symbol Sudoku puzzle by placing the last symbol in the

Discuss Did I Finish my Sudoku? | Codewars

Write a function done_or_not/DoneOrNot passing a board (list[list_lines]) as parameter. If the board is valid return ‘Finished!’, otherwise return ‘Try again!’ Sudoku rules: Complete the Sudoku

Blank Sudoku – DadsWorksheets.com

Print these Blank Sudoku Grids to Get Out of Trouble We’ve all done it, gotten halfway through a sudoku, a hard sudoku, and realized there as a spot several steps back where you chose the wrong number for a space.

Sudoku – Rosetta Code

// c bc sudoku // sudoku // This is a really naive program to solve SuDoku problems. Even so it is usually quite fast. // SuDoku consists of a 9×9 grid of cells. Each cell should contain // a digit in the range 1..9. Every row, column and major 3×3 // square should contain all the digits 1..9. Some cells have // given values.

How to finish quickly Sudoku Puzzles: eight techniques for

With these eight techniques, every gamer can finish all sudoku puzzles. This booklet is an excellent one. Read more. Report abuse. john hodgshon. 1.0 out of 5 stars One Star. Reviewed in the United Kingdom on . Verified Purchase. needs to be translated properly Read more.

algorithm – How to generate Sudoku boards with unique

You can flag the sudoku with 9 grids, the rows and column exchanged must do in the same grid. Like you can exchange row1-3, row4-6, row7-9, don’t exchange row1-4 or row1-7. You can also exchange the row-grid(exchange row1~3 with the row4~6 or row7~9). Solve the sudoku: record the empty with all the possible value, then check the value from 1 to 9.

Just Sudoku – Puzzle Games – Apps on Google Play

11.Clean user interface of whole app, ‘ Just Sudoku ‘ with suitable size and contrast color of fonts while playing the game to let you focus on each puzzle, concentrating on figuring out the answers. 12.Records of games including average time consumed, shortest time finished, number of sudoku games win and win rate will be kept for reference.

Solving Sudoku with Backtracking | C, Java and Python

Solving Sudoku with Backtracking | C, Java and Python. In this post, I will introduce a Sudoku-solving algorithm using backtracking. If you don’t know about backtracking, then just brush through the previous post. Sudoku is a 9×9 matrix filled with numbers 1 to 9 in such a way that every row, column and sub-matrix (3×3) has each of the digits

How to Solve Sudoku Faster With These Simple – Plentifun

Sudoku is a great combinatorial number puzzle, which is widely followed throughout the world today. Solving puzzles is a great pastime and an excellent way to keep the brain in action. About Sudoku. The hallmark of great puzzles is that they are straightforward and simple. Sudoku is no exception to that.

DailyKata/Did I Finish my Sudoku.cs at master

A Repo to collect my daily Codewars Coding exercises – DailyKata/Did I Finish my Sudoku.cs at master · bumgardnera07/DailyKata

Full game statistics | Sudoku Table

Sudoku Table provides access to full game statistics for authorized users. Games on different difficulty levels, started and finished games, wins streaks, time records and more! Install the free mobile app Sudoku Table! Through QR-code.

Good Sudoku on the iPhone teaches you the – The Verge

Good Sudoku has a hint system powered by an AI that shows you the next most logical move and also gives brief lessons on high-level sudoku techniques in a way that’s easy to grasp. Just as

sudorace: challenge your friends on sudoku – Page 1

Choose sudoku arenas to solve, play against other players and try to be the first to finish the grid. Feel the pressure of your opponents’ skills When your opponents are solving the grid, the cells they have completed are colored, live, making you stress even more!

Sudoku Tool – Generate Custom Puzzles For Your Class Using

Your finished sudoku puzzles will be saved on abcteach in PDF format, ready to print or view on your computer or tablet. Come back to abcteach to edit or print your creations anytime. Start creating your custom sudoku puzzles today by following the links below.

Stuck at Sudoku? Here Are A Few Strategies To Get You Unstuck

Following Sudoku’s one rule where each box, row, and column must contain digits 1 to 9 without repetition, the single candidate/ hidden single applies. So if a particular digit can be placed in a said row, column, or box, it’s a perfect fit.

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Sudoku Generator Algorithm – 101 Computing

Your task is to design an algorithm used to create a Sudoku Grid. The generated Sudoku grid should have enough clues (numbers in cells) to be solvable resulting in a unique solution. Sudoku? A Sudoku game is number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid (also called “boxes

Sudoku Solver – Backtracking & deduction – Algorithms

Sudoku is a logic-based, combinatorial number-placement puzzle.In classic sudoku, the objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid contain all of the digits from 1 to 9.The rules are simple: each number can only appear once in a row, column or subgrid. Sugolver is a Sudoku solver written in Go.

Center Stage achievement in Microsoft Sudoku (Windows)

Finish a Symbol Sudoku puzzle by placing the last symbol in the exact center of the board. 0. 2 guides. Microsoft Sudoku (Windows) walkthrough. Hide ads. How to unlock the Center Stage achievement.

Mathematicians Solve Minimum Sudoku Problem | MIT

Sudoku 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. The solver’s jobs is to ﬁll in the remaining cells so that each row

The Benefits of Sudoku

Sudoku is a puzzle game based on the logic that focuses on the placement of numbers. The classical Sudoku’s objective is to fill the 9 x 9 with each row, column, and subgrids of the 3 X 3 that make up the grid.

Fix Microsoft Sudoku Not Saving Progress – Technipages

Microsoft Sudoku is a popular game among Windows 10 users. Well, OK, not as popular as the classic Solitaire game, but pretty close. Unfortunately, MS Sudoku may sometimes fail to save your progress. This is a pretty frustrating issue, especially if you’re playing on a high difficulty level.

Rohan Rao – Wikipedia

He finished 3rd again at ASC 2019 and improved his performance with a 2nd-place finish at ASC 2020. [29] He was the Director of the World Sudoku Championship 2017 and core organizer of World Sudoku and Puzzle Championship (WSPC) 2017 held in October, 2017 in Bengaluru, India. [30]

5 Ways to Create a Sudoku – wikiHow

Sudoku is a fun way to pass the time, and it’s even more fun once you learn to make your own puzzles. Creating your own puzzle can be tricky, but it will give you a new appreciation for the game. Make your 9×9 square, then fill in your clues by hand or with the help of an online generator.

Sudoku Application – Part 1 | Scratch 3.0 Tutorials | Just

This video is part 1 of the brand new Sudoku series, where you will learn how to create a complete Sudoku application in Scratch 3.0. This video will primari

How To Solve Sudoku – Guide to Solving Sudokus

A Simple Sudoku Solver in C – Code Review Stack Exchange

If the issue is correctness, like the program crashes or claims a solvable sudoku is unsolvable, then the post is off-topic. If it’s just too slow to finish certain puzzles, it may be on topic, but please provide more details about what you’re seeing versus what you expect to see and the exact failing input. $endgroup$ –

Sunday Night Strategies: Monopoly Sudoku & Aces Up! HD

Monopoly Sudoku – I’m finished building in city #2 so it will only take 1 game on beginner to complete this badge. Actually it may only take filling in a number or two . Aces Up – Will take a lot more than 1 game, but it’s been so long since we had a weekly in the game I don’t care, and this is far from a favorite of mine.

Pocket Posh Sudoku: 100 Puzzles: The Puzzle Society

There is one Sudoku on each page, with an indication of its difficulty (easy, medium, etc). At the bottom of each page, there is ample room for notes. For instance, the lady that I got this for likes writing down the date & place where she finished it (i.e. “9 Nov 2014, waiting at the doctor’s” or “1 Dec 2013, flight to NYC”).

Pogo Daily Sudoku Ranks and Badges – BadgeHungry

Pogo Daily Sudoku Tips & Tricks. If sudoku isn’t your thing and you’re thinking of using a solver, save yourself the time in entering the numbers with the Pogo Daily Sudoku Solutions screenshots.. Open Pogo Daily Sudoku once per day to unlock the puzzles for that day. If you do not unlock the puzzles for that day you will need a key (purchased with Gems) to open them at a later date.

for loop – How do I verify the validity of a Sudoku grid

I’m trying to create a Sudoku program that checks if a Sudoku grid is valid. I figured out how to check that each row is valid, as well as for each column. However, I’m having trouble coming up with code to check each of the 9 small boxes in the grid. Below is the method I’m trying to use to check each of the small boxes.

20 Free Printable Sudoku Puzzles for All Levels | Reader's

All of the sudoku puzzles are 9×9 grids. To solve them you have to fill in the empty cells. Each column, row, and region must contain the numbers 1 to 9 exactly once. Below there are sudoku

PDF Computer Vision based Sudoku Solving with Augmented Reality

The matrix is somewhat finished, and each Sudoku envelops a distinct arrangement. The target of the riddle is to fill the matrix with numbers 1-9, without the reiteration of variety in very line, section or the sub-lattice. Trouble of the matter depends on the incompletely finished lattice. All the work was created in Python utilizing Pycharm

algorithm – Sudoku generator in Java – Code Review Stack

This puzzle does not break any Sudoku rules in it’s current state, however, it is not possible to create a finished Sudoku puzzle from this state! If you don’t believe me, I ask: Which number should be in the top-left corner? It cannot be a 1, as there is a 1 on position c1. It can’t be a 2 as there’s a 2 in the same box on position b2.

Sudoku National Championship : NPR

Sudoku has become a big pastime in the United States. This year, Philadelphia is host to the nation’s first ever Sudoku National Championship, where the little puzzles are the focus.

Prep track roundup: Elzy girls finish 4th at regionals

Prep track roundup: Elzy girls finish 4th at regionals. The Amanda Elzy girls had the best showing for the Elzy and Greenwood High teams at their respective regional track meets Friday at Winona High School. The Lady Panthers finished fourth overall with 54 points in the Region 2-3A meet. Winona was first with 162 points, and Noxubee County