This is called a “naked triple.” The same principle applies to pairs and quads. Subset Strategy: When you have a group of three cells in a row, column, or box that can only contain three specific numbers, you can eliminate those numbers from other cells in the same row, column, or box.This method helps identify potential candidates. Crosshatching: Focus on one number at a time and look for cells in rows and columns where that number is missing but could potentially go based on the numbers already filled in the boxes and the overall grid.If you find a number that appears only twice in a row, column, or box, you can often determine where it should go. Check Rows, Columns, and Boxes: Examine rows, columns, and 3×3 boxes to see if a number appears twice.This is the most basic and crucial strategy. If you find any, fill them in immediately. Scan for Obvious Numbers (Singles): Always start by scanning the puzzle for any cells with only one possible number.Here are some Sudoku strategies for intermediate users: Intermediate Sudoku puzzles can be more challenging than the easy ones but don’t require advanced techniques used in expert-level puzzles. Sudoku is a popular number puzzle that requires logic and deduction to solve. These patterns are crucial to solving the puzzle, so you must pay attention to them.Intermediate Sudoku Worksheets (Level 2) Free and Printable
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |