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Hard Sudoku Puzzles Volume 3 200 Challenging Puzzles Activity GiantsThe third in a new series: hard puzzles for serious sudoku solvers.Do you have what it takes? These 200 challenging sudoku puzzles will keep your mind sharp!Features: - 200 hard puzzles- Big grids for easy solving

Hard Sudoku Puzzles Volume 4 200 Challenging Puzzles Activity GiantsThe fourth in a new series: hard puzzles for serious sudoku solvers.Do you have what it takes? These 200 challenging sudoku puzzles will keep your mind sharp!Features: - 200 hard puzzles- Big grids for easy solving

Hard Sudoku Puzzles Volume 1 200 Challenging Puzzles Activity GiantsThe first in a new series: hard puzzles for serious sudoku solvers.Do you have what it takes? These 200 challenging sudoku puzzles will keep your mind sharp!Features: - 200 hard puzzles- Big grids for easy solving

Hard Sudoku Puzzles Volume 2 200 Challenging Puzzles Activity GiantsThe second in a new series: hard puzzles for serious sudoku solvers.Do you have what it takes? These 200 challenging sudoku puzzles will keep your mind sharp!Features: - 200 hard puzzles- Big grids for easy solving

Large Print Sudoku Puzzle Book for Adults Easy to HardLarge Print sudoku puzzles is a perfect gift for all brain puzzle and sudoku lovers!Large Print Sudoku 1 problem per pageTons of puzzles!Sudoku Puzzles from beginner to expertLots of puzzles to choose from! 4 per page with answers at the back of the bookExpertly created and accurate for skill levelsBigger print than newspapers and other sudoku booksHigh quality paper easily writeable with pen or pencil with no bleedEasy to tear out with side marginsFree bonus puzzles for print to download!Features: tons of fun and engaging puzzles, 3 accurate skill levels: 33 Easy, 34 medium, 34 hardA Sudoku puzzle is defined as a logic-based, number-placement puzzle. The objective is to fill a 9×9 grid with digits in such a way that each column, each row, and each of the nine 3×3 grids that make up the larger 9×9 grid contains all of the digits from 1 to 9. Each Sudoku puzzle begins with some cells filled in. The player uses these seed numbers as a launching point toward finding the unique solution.It is important to stress the fact that no number from 1 to 9 can be repeated in any row or column (although, the can be repeated along the diagonals).What Defines a True Sudoku Puzzle?For a puzzle to be a true Sudoku puzzle, it can have one (and only one) solution. There can be no ambiguity in Sudoku. Each number has a single location it must reside in. Otherwise, the player is forced to guess which location to choose thus changing the puzzle into a game of chance.Sudoku Puzzle VariantsThere are many variations on Sudoku including Mini Sudoku, Cross Sums Sudoku, Killer Sudoku, and Wordoku. We will not cover such variations here.The Rules of SudokuWhile solving Sudoku puzzles can be significant challenge, the rules for traditional solution finding are quite straight forward: Each row, column, and nonet can contain each number (typically 1 to 9) exactly once.The sum of all numbers in any nonet, row, or column must match the small number printed in its corner. For traditional Sudoku puzzles featuring the numbers 1 to 9, this sum is equal to 45.This is an important point to review as it isn't uncommon for inexperienced players to get frustrated and to abandon the techniques we will lay out below. Don't do it! In order to solve Sudoku puzzles reliably, you must be disciplined, focused, and patient.How to Solve Sudoku PuzzlesThere are two main techniques one can use to solve a Sudoku puzzle; Crosshatching and Penciling In. These two techniques are simple, straightforward, reliable, and sufficient in solving most standard Sudoku puzzles.It is important to understand that all Sudoku puzzles require an iterative approach. Except for in the case of the most simple puzzles, players will have to visit each nonet more than one time. Fortunately, each successive application of the solution techniques yields more completed cells.Sudoku, sudoku puzzles, sudoku puzzles for adults.