Zelo težko Sudoku 2020 to print (free PDF)
Download every zelo težko Sudoku from 2020 — 366 puzzles — as a free printable PDF.
Primjeri zadataka
8
1
4
2
6
9
5
8
2
9
5
3
4
9
6
2
8
6
1
7
6
7
7
6
8
9
3
4
7
1
4
7
6
3
2
5
1
8
2
9
3
5
7
9
2
4
8
8
3
1
3
6
9
4
3
7
1
5
4
2
7
1
2
4
6
1
3
8
2
9
4
5
7
3
7
5
3
9
2
1
2
3
6
9
3
4
5
1
2
3
3
2
9
7
5
8
6
9
8
1
4
7
9
6
4
3
2
8
6
7
3
7
6
5
8
1
9
6
1
4
9
6
1
8
2
4
5
7
3
7
9
6
7
3
9
2
1
4
2
7
3
4
1
9
6
9
2
8
1
5
4
2
1
7
3
1
7
8
5
5
6
9
8
4
2
7
Other years
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
All Zelo težko books