Jul 02
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.
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testsubject06 reblogged this from ceasepool and added:
I like how it’s 11 star difficulty. Clever.
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seppukustyles reblogged this from ceasepool and added:
Haven’t really started though
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ceasepool reblogged this from seppukustyles and added:
Huehue This is amusing
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