0 Can You Solve the World's Hardest Sudoku Puzzle?


Arto Inkala, world's most difficult sudoku

A Finnish mathematician named Arto Inkala claims he's created the world's hardest sudoku puzzle. On a scale of one to five stars (with five being the most difficult), Inkala claims this puzzle would score an eleven.

Can you solve it?

Here's the answer. Don't cheat!

(via Telegraph)

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