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Hard sudoku — printable sheet 19

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

Answers 73 · Hard
6
4
7
8
1
5
3
2
9
9
8
2
3
6
7
5
1
4
5
3
1
2
4
9
6
8
7
2
9
5
6
3
1
7
4
8
4
1
6
7
8
2
9
3
5
3
7
8
9
5
4
2
6
1
7
6
4
1
9
3
8
5
2
8
5
9
4
2
6
1
7
3
1
2
3
5
7
8
4
9
6
Answers 74 · Hard
5
9
6
3
7
4
8
2
1
3
4
1
2
8
5
9
6
7
8
7
2
9
1
6
3
4
5
7
2
5
6
4
8
1
9
3
9
1
4
5
2
3
7
8
6
6
8
3
1
9
7
2
5
4
1
6
7
8
5
2
4
3
9
4
5
8
7
3
9
6
1
2
2
3
9
4
6
1
5
7
8
Answers 75 · Hard
6
3
8
5
2
4
7
9
1
9
2
1
8
3
7
5
4
6
7
4
5
1
9
6
8
3
2
3
8
6
4
5
9
1
2
7
1
7
2
6
8
3
9
5
4
4
5
9
2
7
1
3
6
8
2
9
3
7
4
8
6
1
5
5
6
7
9
1
2
4
8
3
8
1
4
3
6
5
2
7
9
Answers 76 · Hard
9
8
7
4
1
6
3
2
5
1
3
6
5
8
2
4
9
7
5
2
4
7
3
9
1
6
8
3
5
8
9
2
4
7
1
6
2
7
1
8
6
3
5
4
9
6
4
9
1
7
5
8
3
2
8
9
3
2
4
7
6
5
1
7
6
2
3
5
1
9
8
4
4
1
5
6
9
8
2
7
3

Sheet 19 of 20 · all hard sheets