AI Escargot - The Most Difficult Sudoku Puzzle: Inkala, Arto: 9781847534514: Amazon.com: Books
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 R7C8 to be 1. Does anybody know the logic in arriving at these hints? Thank you very much : r/sudoku
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Please help me understand how this technique works! : r/sudoku
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In 2012, Finnish mathematician Arto Inkala claimed to have created the "World's Hardest Sudoku". - Funny | Sudokus, Dificiles, Acertijos
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Auspac Media - Fancy yourself as a Sudoku genius? Finnish mathematician Arto Inkala spent 3 months designing a Sudoku grid with only one solution. Inkala has warned any potential challengers only the
