Ťažké Sudoku 2020 to print (free PDF)
Download every ťažké Sudoku from 2020 — 366 puzzles — as a free printable PDF.
Ukázková sudoku
4
2
9
5
2
1
4
8
8
1
3
9
3
8
5
2
6
1
4
1
7
4
6
3
6
1
8
5
9
9
8
3
5
2
3
2
1
9
5
3
4
8
3
6
6
7
4
1
9
4
1
7
8
1
6
9
2
7
9
5
9
4
3
8
9
4
2
6
8
3
9
9
5
7
4
8
2
9
7
9
4
6
7
9
1
1
2
9
7
3
2
3
6
4
1
2
9
7
6
3
3
6
8
7
4
1
5
4
2
6
8
2
1
5
4
6
2
4
5
3
4
8
6
9
1
2
1
9
8
1
5
3
6
7
1
5
7
5
3
8
1
2
6
4
5
2
7
8
9
9
6
1
4
6
7
8
4
3
2
2
5
7
3
4
1
6
3
9
5
2
8
5
6
1
4
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