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Evening brainteaser: Have a shot at the world’s hardest sudoku puzzle
Finnish mathematician Arto Inkala challenges you to a game of sudoku, the hardest one ever constructed. 
Give up? Here’s the answer.
Via

Evening brainteaser: Have a shot at the world’s hardest sudoku puzzle

Finnish mathematician Arto Inkala challenges you to a game of sudoku, the hardest one ever constructed. 

Give up? Here’s the answer.

Via



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  1. king-grandma reblogged this from sadclown
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  15. smoot reblogged this from ulaulaman
  16. ulaulaman reblogged this from iheartchaos
  17. testsubject06 reblogged this from ceasepool and added:
    I like how it’s 11 star difficulty. Clever.
  18. seppukustyles reblogged this from ceasepool and added:
    Haven’t really started though
  19. ceasepool reblogged this from seppukustyles and added:
    Huehue This is amusing
  20. gullible-and-credulous reblogged this from iheartchaos
  21. sineadmckid reblogged this from iheartchaos

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