Medium sudoku — printable sheet 18
Four medium puzzles, one page. Answer key: view answers.
9
1
1
2
8
6
7
4
9
1
8
3
4
5
2
2
9
3
5
9
4
1
5
8
3
7
1
6
1
8
5
3
4
8
3
4
7
1
8
2
5
3
8
4
7
5
8
3
1
2
4
9
6
7
2
8
6
4
9
4
8
2
5
7
3
1
5
9
8
6
8
9
7
3
6
1
8
1
4
4
3
5
8
8
2
5
2
4
3
7
5
9
3
7
4
8
2
9
5
2
1
9
8
8
4
1
3
7
5
7
1
3
7
9
9
3
8
Sheet 18 of 20 · all medium sheets