All Printable Puzzles

Sudoku — Hard

Instructions: Fill the grid so every row, column, and 3×3 box contains the numbers 1–9.

Level: hard
2
7
9
3
2
8
9
6
4
2
8
3
8
7
2
7
5
8
2
2
3
6
9
2
3

Answer Key

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