Vaikea Sudoku 2017 to print (free PDF)
Download every vaikea Sudoku from 2017 — 365 puzzles — as a free printable PDF.
Esimerkkitehtäviä
7
2
9
8
2
7
2
5
6
9
1
3
4
4
9
4
1
5
7
2
8
6
8
3
1
5
4
8
2
6
4
3
1
6
1
4
7
5
6
9
7
2
8
5
9
3
6
8
9
7
3
1
4
6
9
8
8
2
4
5
1
2
7
6
6
5
2
7
9
3
9
2
3
6
4
6
7
3
9
8
8
3
1
7
3
9
2
4
8
7
7
2
5
5
7
8
6
9
1
3
5
1
8
3
4
2
6
2
4
1
2
6
1
2
3
6
4
8
2
5
9
3
3
7
4
9
8
7
4
3
6
1
8
9
7
9
5
1
3
2
8
3
7
1
9
6
2
9
5
6
9
7
7
6
5
4
3
8
6
5
7
5
2
1
2
4
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