![AI Escargot - the Most Difficult Sudoku Puzzle by Arto Inkala (2007, Trade Paperback) for sale online | eBay AI Escargot - the Most Difficult Sudoku Puzzle by Arto Inkala (2007, Trade Paperback) for sale online | eBay](https://i.ebayimg.com/images/g/UuwAAOSwJ6ZlGUtO/s-l1600.jpg)
AI Escargot - the Most Difficult Sudoku Puzzle by Arto Inkala (2007, Trade Paperback) for sale online | eBay
![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
![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://i.redd.it/a5hss6im3yw61.jpg)
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
![KluangMan on X: "In 2012, Finnish mathematician Arto Inkala claimed to have creates the "World's Hardest Sudoku" 😏 lets do this! https://t.co/dqswlge2sU" / X KluangMan on X: "In 2012, Finnish mathematician Arto Inkala claimed to have creates the "World's Hardest Sudoku" 😏 lets do this! https://t.co/dqswlge2sU" / X](https://pbs.twimg.com/media/Clx6ZF7VEAAvLGd.jpg)
KluangMan on X: "In 2012, Finnish mathematician Arto Inkala claimed to have creates the "World's Hardest Sudoku" 😏 lets do this! https://t.co/dqswlge2sU" / X
![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
![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)