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Sudoku Atelier

Hard sudoku — printable sheet 1

Four hard puzzles, one page. Answer key: view answers.

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Puzzle 1 · Hard
2
5
8
3
7
6
7
9
2
4
3
5
1
2
8
4
4
5
3
9
1
8
1
2
7
Puzzle 2 · Hard
6
8
3
9
8
5
7
6
1
8
7
9
4
5
5
2
8
6
9
3
3
1
4
5
5
7
Puzzle 3 · Hard
4
3
2
9
7
1
7
4
5
8
2
2
6
8
7
4
8
5
8
2
9
9
2
5
7
3
Puzzle 4 · Hard
8
7
4
5
3
4
9
4
6
9
7
5
5
8
2
6
5
2
1
2
4
9
5
7
8
1
5
4
6

Sheet 1 of 20 · all hard sheets