Sudoku
Sudoku
Sep 23 · 9 × 9
How to play
Fill the grid so every row, every column and every 3 × 3 box holds the digits 1–9, each exactly once.
A few digits are given; the rest is deduction from what already stands.
There is exactly one solution, and it never needs a guess.
5
3
9
1
7
4
8
2
6
8
2
6
5
3
9
1
7
4
1
7
4
8
2
6
5
3
9
3
9
1
7
4
8
2
6
5
7
4
8
2
6
5
3
9
1
2
6
5
3
9
1
7
4
8
6
5
3
9
1
7
4
8
2
4
8
2
6
5
3
9
1
7
9
1
7
4
8
2
6
5
3