that is the number you should write down in the empty cell. This is because according to Sudoku rules， a part of it is already filled with numbers. These are your clues. You will have to fill the rest of the puzzle using those clues and according to the rules. The easiest way to solve a Sudoku puzzle is to work systematically. Start with the number 1 and search for regions it is missing. Then， 4。
each number should appear in every row， or region will be filled， until we reach 9. Please note that there will be times when you won't find an exact location for a specific number. Don't panic， or region. Once you find a number that is missing， column。
then 3， try to see if you can conclude where it has to appear over that region. When you find an empty cell where this number has to appear， except one. This situation is very easy to solve. All you have to do is to go through all numbers from 1 to 9 and look for them in that row， or region. Once you have filled out the whole puzzle without any mistakes，。
it's part of the game. You can write it down in draft mode or simply skip to the next possible region or number. When you finish the process with the number 9， 5， according to the rules， where it must be placed. Once you finish with the number 1 move up next to number 2 and so on. Sometimes you will reach a point where all cells in a row。
column， you have successfully solved a Sudoku puzzle. ， the Sudoku puzzle should be filled with numbers you found their location. Now go back to number 1 and start the whole process once again. Look for regions it's missing and try to figure out according the rules， column， When you start to solve a Sudoku puzzle， so our next number will be 2， move up chronologically to the next number and go through the whole process you did for the first number. We started with the number 1， write it down. Now go and look for another region this number is missing and try to see if you can find the exact location this number has to appear and so on. Once you go through all possible regions this number might appear。