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Cross sudoku rules12/28/2023 Some of the most commonly used techniques include cross-hatching, scanning, and the X-wing technique.Ĭross-hatching involves filling in squares by looking for where a particular number can go within a row or column. Solving Sudoku puzzles can be a challenge, but there are several techniques that can be used to make the process easier. Section 2: Techniques for Solving Sudoku Puzzles For example, if a square has the options of 2, 3, and 7, then those numbers can be written in lightly to help keep track of what's left as more squares are filled in. To help solve the puzzle, it's important to keep track of the possible options for each square. Similarly, if a smaller square already has the digits 1 through 4 filled in, then the only possible digits left for the remaining squares in that smaller square are 5 through 9. For example, if a row already has the digits 1 through 8 filled in, then the only possible digit left for the empty square in that row is 9. One of the most important aspects of solving Sudoku puzzles is using logic to eliminate possibilities and narrow down the options for each square. The difficulty of the puzzle is determined by the number of squares that are initially filled in, with harder puzzles having fewer numbers filled in. The puzzle starts with some of the squares already filled in with numbers, and the rest of the squares must be filled in by using logic and deduction. Make sure to follow and view other videos Video by Sudoku Guy, owned by Sudoku Guy and not affiliated with. The objective of the game is to fill in the grid so that every row, column, and smaller square contains each of the digits one through nine only once. The grid is further divided into nine smaller squares of three by three, each of which must be filled with the digits one through nine. Sudoku is a puzzle game that consists of a grid of nine squares by nine squares. Section 1: Understanding the Basics of Sudoku
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