What To Do When A Sudoku Has A Sting In The Tail...
139This classic sudoku seems straightforward - but Mark's way of finishing it involves a weird double uniqueness.
Try the puzzle here: https://cracking-the-cryptic.web.app/sudoku/jqm8hjD9pq
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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