Hard sudoku — printable sheet 14
Four hard puzzles, one page. Answer key: view answers.
2
5
9
2
6
4
7
3
5
6
9
6
3
2
4
7
5
6
1
7
4
5
9
8
3
2
1
4
8
6
2
5
1
2
9
6
2
9
7
3
4
9
8
3
4
7
5
2
3
8
9
7
6
8
5
7
8
4
1
7
4
6
5
3
1
7
6
4
4
6
2
8
2
4
5
2
1
6
6
5
1
7
5
1
4
9
8
8
9
1
2
7
6
1
8
3
9
3
6
5
8
2
7
Sheet 14 of 20 · all hard sheets