![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/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
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/1f4181418886419c5d965abb33b7c4d66b5b2625/1-Figure1-1.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-0-0AD57570000005DC-787_468x463.jpg)