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