Auspac Media - Fancy yourself as a Sudoku genius? Finnish mathematician Arto Inkala spent 3 months designing a Sudoku grid with only one solution. Inkala has warned any potential challengers only the
![KluangMan on Twitter: "In 2012, Finnish mathematician Arto Inkala claimed to have creates the "World's Hardest Sudoku" 😏 lets do this! https://t.co/dqswlge2sU" / Twitter KluangMan on Twitter: "In 2012, Finnish mathematician Arto Inkala claimed to have creates the "World's Hardest Sudoku" 😏 lets do this! https://t.co/dqswlge2sU" / Twitter](https://pbs.twimg.com/media/Clx6ZF7VEAAvLGd.jpg)
KluangMan on Twitter: "In 2012, Finnish mathematician Arto Inkala claimed to have creates the "World's Hardest Sudoku" 😏 lets do this! https://t.co/dqswlge2sU" / Twitter
![It took three months to create, so how long will it take to crack ...the world's hardest Sudoku? | Daily Mail Online It took three months to create, so how long will it take to crack ...the world's hardest Sudoku? | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2010/08/18/article-0-0AD57570000005DC-787_468x463.jpg)
It took three months to create, so how long will it take to crack ...the world's hardest Sudoku? | Daily Mail Online
World's hardest sudoku puzzle ever: Can you solve the most baffling brainteaser ever devised? - Mirror Online
![Figure 10 from An evolutionary approach to sudoku puzzles with filtered mutations | Semantic Scholar Figure 10 from An evolutionary approach to sudoku puzzles with filtered mutations | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/1f4181418886419c5d965abb33b7c4d66b5b2625/6-Figure10-1.png)
Figure 10 from An evolutionary approach to sudoku puzzles with filtered mutations | Semantic Scholar
![Trying out an “expert” puzzle for the first time and I didn't get very far. The hint was to assume R6C2 to be 5 and then the next hint was to assume Trying out an “expert” puzzle for the first time and I didn't get very far. The hint was to assume R6C2 to be 5 and then the next hint was to assume](https://preview.redd.it/a5hss6im3yw61.jpg?auto=webp&s=284d563be71083a2cd0ebdf5c8b17312840e72f7)
Trying out an “expert” puzzle for the first time and I didn't get very far. The hint was to assume R6C2 to be 5 and then the next hint was to assume
![It took three months to create, so how long will it take to crack ...the world's hardest Sudoku? | Daily Mail Online It took three months to create, so how long will it take to crack ...the world's hardest Sudoku? | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2010/08/18/article-0-0AD569E0000005DC-359_233x372.jpg)
It took three months to create, so how long will it take to crack ...the world's hardest Sudoku? | Daily Mail Online
![In 2012, Finnish mathematician Arto Inkala claimed to have created the "World's Hardest Sudoku". - 9GAG In 2012, Finnish mathematician Arto Inkala claimed to have created the "World's Hardest Sudoku". - 9GAG](https://img-9gag-fun.9cache.com/photo/a5rPpey_460s_v3.jpg)
In 2012, Finnish mathematician Arto Inkala claimed to have created the "World's Hardest Sudoku". - 9GAG
![It took three months to create, so how long will it take to crack ...the world's hardest Sudoku? | Daily Mail Online It took three months to create, so how long will it take to crack ...the world's hardest Sudoku? | Daily Mail Online](https://i.dailymail.co.uk/i/pix/scaled/2010/08/18/article-1304222-0AD6D0E4000005DC-877_308x185.jpg)
It took three months to create, so how long will it take to crack ...the world's hardest Sudoku? | Daily Mail Online
![Maailman vaikein Sudoku - ja 166 selvästi helpompaa - Inkala Arto | OllinOnni Oy | Osta Antikvaarista - Kirjakauppa Maailman vaikein Sudoku - ja 166 selvästi helpompaa - Inkala Arto | OllinOnni Oy | Osta Antikvaarista - Kirjakauppa](https://storage.googleapis.com/antikvaari_kuvat/imagesproduct/1101/md_002f60e6df7e793858e988a7.jpg)