Hard Sudoku 2016 to print (free PDF)
Download every hard Sudoku from 2016 — 366 puzzles — as a free printable PDF.
Sample puzzles
3
7
5
1
2
6
3
7
7
5
8
6
6
9
7
2
7
4
6
4
3
9
5
4
2
7
1
9
5
3
2
7
1
9
8
4
3
9
4
3
6
1
5
2
8
8
2
9
4
1
3
5
8
7
6
9
5
7
6
2
1
8
8
3
8
4
6
5
7
5
7
9
3
9
8
4
6
8
2
4
1
9
3
6
4
1
5
8
4
1
5
2
9
7
2
6
4
3
5
6
2
8
6
1
3
1
9
7
8
4
5
6
1
5
2
6
6
9
7
2
4
3
2
3
8
5
1
2
5
1
4
7
6
9
4
8
7
9
7
8
3
5
9
1
9
8
3
3
8
4
7
2
9
5
1
6
3
2
5
9
1
2
6
1
4
1
5
3
7
7
3
6
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