Medium sudoku — printable sheet 12
Four medium puzzles, one page. Answer key: view answers.
6
8
9
4
2
4
9
7
3
9
1
8
7
5
2
1
1
6
3
4
6
8
5
4
8
7
3
6
6
1
4
8
3
4
6
2
6
9
4
1
7
3
2
9
5
2
4
5
6
2
8
7
4
9
3
4
6
7
7
9
5
2
1
8
7
2
5
6
3
2
1
8
5
2
7
8
3
4
5
6
2
1
1
3
5
8
6
5
9
1
3
1
7
2
9
1
3
5
4
6
8
9
1
7
8
6
3
5
1
8
2
Sheet 12 of 20 · all medium sheets