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Hard sudoku — printable sheet 3

Four hard puzzles, one page. Answer key for this sheet.back to the puzzles.

Answers 9 · Hard
4
1
2
8
5
6
3
7
9
3
7
9
1
2
4
8
6
5
5
6
8
3
7
9
1
4
2
1
5
3
7
6
8
9
2
4
9
2
6
5
4
3
7
8
1
7
8
4
9
1
2
5
3
6
6
9
1
2
8
7
4
5
3
2
3
7
4
9
5
6
1
8
8
4
5
6
3
1
2
9
7
Answers 10 · Hard
8
7
6
5
4
1
3
9
2
5
9
4
3
8
2
1
7
6
3
2
1
6
9
7
5
8
4
1
8
2
4
3
6
9
5
7
4
5
9
1
7
8
6
2
3
6
3
7
2
5
9
4
1
8
2
1
8
9
6
3
7
4
5
9
4
3
7
2
5
8
6
1
7
6
5
8
1
4
2
3
9
Answers 11 · Hard
8
1
3
5
9
4
7
2
6
2
4
9
7
8
6
3
1
5
6
7
5
2
1
3
9
8
4
1
2
7
9
6
5
4
3
8
3
5
8
4
2
1
6
9
7
9
6
4
8
3
7
1
5
2
4
8
2
1
7
9
5
6
3
5
3
1
6
4
2
8
7
9
7
9
6
3
5
8
2
4
1
Answers 12 · Hard
7
4
9
2
3
5
6
1
8
5
6
1
7
8
4
3
2
9
2
8
3
9
1
6
4
7
5
1
7
5
3
6
9
8
4
2
4
9
8
5
2
7
1
6
3
3
2
6
8
4
1
5
9
7
6
3
7
4
9
8
2
5
1
9
1
2
6
5
3
7
8
4
8
5
4
1
7
2
9
3
6

Sheet 3 of 20 · all hard sheets