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

What is Sudoku?

Sudoku is a game of numbers. The rules are very simple; every row, column and 3x3 box should be filled in to contain every digit from 1 to 9. When every square of the board is filled the Sudoku is fully solved.

Need help with solving Sudoku?

Some Sudoku are harder to solve than others, but a (properly constructed) Sudoku only has one solution. Check out this page for help on solving Sudoku.

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