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