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