In which I solve an EXTREME SUDOKU for Twitter
20:17
2 AMAZING Sudoku Tricks That Changed My Life
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Techniques for Hard Sudoku
24:59
Sudoku. Niveau 3 : difficile
17:53
The Sudoku Trick All Expert Solvers Know
16:07
Wait... how did he solve that extreme sudoku?
25:08
The Sudoku That Broke The World's Best Solvers
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Résolution d'un sudoku diabolique - Gilles Louise
14:03