Guardian Sudoku puzzle rated as extremely difficult for subscribers
The Guardian published a hard Sudoku puzzle on Friday that requires payment to view the solution.
Puzzle difficulty rating
The publication assigned a difficulty score of 7,463 to this specific grid. Readers must purchase the next issue to see the completed numbers. The puzzle follows standard rules where every row, column and box contains digits one through nine.
Solution access details
Solutions for Friday and Saturday puzzles appear in either Saturday or Monday editions. Subscribers can find answers to Monday through Thursday puzzles within their regular weekly copy. Buying the next issue is the only way to reveal the finished grid.
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