Free sudoku online

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5

8

7

2

6

2

1

6

7

4

2

3

8

6

5

7

2

6

3

8

1

9

7

7

6

3

9

5

3

9

4

7

Sudoku Rules of Play:

A sudoku puzzle has 9 columns, 9 rows and 9 boxes of 3x3 squares. To solve a puzzle, you should fill in the table so uk the numbers from 1 to 9 will be in each column, each row and each 3x3 box only once. Every sudoku puzzle can have only one correct solution.