Expert sudoku — printable sheet 19
Four expert puzzles, one page. Answer key: view answers.
8
9
1
6
5
2
7
1
9
6
3
7
6
3
2
9
7
1
2
5
9
6
8
6
4
8
7
5
8
5
7
3
6
1
9
5
1
6
2
6
9
4
5
1
9
2
5
8
4
5
7
7
4
6
2
9
3
2
1
7
3
7
5
4
4
3
4
3
5
9
7
3
6
1
7
2
5
9
6
1
6
3
1
9
4
7
1
4
5
2
1
8
7
5
9
8
3
2
3
5
5
8
9
3
5
4
8
2
Sheet 19 of 20 · all expert sheets