Sudoku Masters: Rare Uniqueness Tip Trumps X-Wings & Y-Wings!
231We take a look at an extraordinary puzzle suggested by one of our Twitter followers. The endgame has a very rare example of uniqueness coming into play and a computer solver needs far more exotic techniques than we do.
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▶SOFTWARE◀
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.
Thank you for watching!
Simon and Mark