Continue using logic and deduction until you have filled in all of the empty squares. Every Sudoku has one solution, so double check by making sure each column, row and square contains the numbers 1-9 with no duplicates or omissions. Next, you can start scanning each row for a certain number, like 1, to see where it should go. Then look for single empty squares in each row and column that you can fill in. Based on these, you must fill the remaining blank cells on the grid with numbers from 1 to 9, paying attention not to repeat the same digit in each column, row. If you see a single empty space in a larger square, fill that in first. 2 For example, if a larger square has numbers 1-3 and 5-9, you know it's missing the number '4,' which you can fill in. Just figure out what number is missing from 1 to 9. Check each square to see if it has a single square open. For example, if a square already has 7 out of the 9 spaces filled in, you can figure out which 2 numbers are missing and use the numbers in the correlating rows and columns to determine which of the two missing numbers belongs in each space. Look for a single empty in a larger square. Some squares already have numbers filled in, so begin by look for missing numbers in a row, column or square. If you want to test your skills even more, try a medium or challenging puzzle that takes more advanced solving techniques. Look for puzzles that are labeled easy or beginner if you’re just starting out with sudoku. 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 square. Easier puzzles tend to have more given numbers and don’t require as many tricks to solve. Get in on the worldwide Sudoku craze with Fun and Easy Sudoku See what the buzz is all about with this collection of 184 fun, medium/easy-to-solve puzzles in. The grid is divided into 9 separate 3 x 3 squares. For trickier puzzles, click Options to turn on pencil marks. Compatible with all browsers, tablets and phones including iPhone, iPad and Android. This will make it easier (most of the time) for you to figure out which numbers go in the remaining empty spaces. After entering a number, check to see where else it has to go. One of the best ways to get started with solving a Sudoku puzzle is to look for low-hanging fruit the rows, columns or squares that already have the most numbers filled in. Try adding numbers which already appear often in the Sudoku puzzle. 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. To solve a sudoku puzzle, you must use logic and eliminate possibilities until you determine the correct digits for each empty cell. Look for rows, columns and 3×3 boxes with just a few blanks remaining.
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