How to play sudoku

Fill in the entire grid so that each digit in the range 1-9 appears exactly once in each row, column, and box.

How to fill the grid

It's easy! Simply click on a square. It should be highlighted gray. Now, hit the corresponding number key on your keyboard.

To remove a mistake, select the square by clicking on it and hit delete.

5 7   6 8   1 2 4
2       9   8   3
  6   4   1      
7           6 1  
  9 1       7 3  
  2 6           8
      7   8   5  
1   8   3       6
9 3 7   5 6   8 1

Puzzle #9

Difficulty: Easy

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