Expert sudoku — printable sheet 1
Four expert puzzles, one page. Answer key for this sheet.back to the puzzles.
7
1
3
9
8
5
4
2
6
6
8
2
4
1
3
5
7
9
4
5
9
7
6
2
3
1
8
5
2
1
6
7
4
8
9
3
8
3
6
1
2
9
7
4
5
9
4
7
3
5
8
1
6
2
3
6
4
8
9
1
2
5
7
2
7
8
5
4
6
9
3
1
1
9
5
2
3
7
6
8
4
8
6
1
7
5
3
4
2
9
4
5
2
1
8
9
3
7
6
9
7
3
4
6
2
8
5
1
3
8
5
6
9
4
2
1
7
2
9
7
5
1
8
6
3
4
1
4
6
3
2
7
5
9
8
5
2
9
8
7
6
1
4
3
6
1
4
9
3
5
7
8
2
7
3
8
2
4
1
9
6
5
6
8
2
4
9
1
5
7
3
9
3
7
6
8
5
2
4
1
5
1
4
3
2
7
8
9
6
7
4
8
5
1
9
3
6
2
3
9
1
7
6
2
4
5
8
2
6
5
8
3
4
9
1
7
4
5
3
1
7
8
6
2
9
1
2
6
9
5
3
7
8
4
8
7
9
2
4
6
1
3
5
1
4
3
5
9
7
2
6
8
7
2
6
4
8
1
9
3
5
8
5
9
2
6
3
4
1
7
5
8
4
6
1
9
7
2
3
6
9
1
3
7
2
5
8
4
3
7
2
8
4
5
6
9
1
9
3
7
1
5
6
8
4
2
2
6
8
7
3
4
1
5
9
4
1
5
9
2
8
3
7
6
Sheet 1 of 20 · all expert sheets