Solving An Extreme Sudoku From Denmark

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Published on ● Video Link: https://www.youtube.com/watch?v=yFn71Ec3UMw



Duration: 24:57
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Thanks to one of our Danish viewers for submitting this extremely challenging puzzle. Yesterday Alex Bellos published an article in The Guardian newspaper about our Sandwich Sudoku videos. It can be found here:

https://www.theguardian.com/science/2019/may/06/can-you-solve-it-sandwich-sudoku-a-new-puzzle-goes-viral

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We mainly use Duncan's Sudoku Solver, which is available at http://www.littlegogs.com/index.shtml

▶ABOUT US◀
Hi! We're Simon Anthony and Mark Goodliffe, two of the UK's most enthusiastic puzzle solvers. We have both represented the UK at the World Sudoku Championships and the World Puzzle Championships. We're also "cryptic crossword" aficionados. Mark is the eleven-time winner of The Times championship and Simon is the former record holder for most consecutive correct solutions to The Listener crossword. We hope we can help your puzzle solving while also introducing you to some of the world's best puzzles.

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Simon and Mark







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