Expert sudoku — printable sheet 15
Four expert puzzles, one page. Answer key: view answers.
7
8
3
1
9
1
5
5
2
7
4
3
1
6
8
2
8
1
2
2
5
3
6
4
7
8
4
7
9
8
3
4
9
8
7
5
7
2
4
9
2
4
6
8
4
8
1
5
2
2
5
1
9
4
7
2
7
9
5
8
6
3
9
6
1
8
4
9
3
8
9
2
7
1
5
8
1
7
3
3
6
1
7
4
5
1
8
6
5
4
2
6
1
4
5
2
8
6
7
2
3
4
5
4
9
6
Sheet 15 of 20 · all expert sheets