Guardian Sudoku puzzle requires buyers to purchase next issue for solutions
Readers seeking the solution to the medium difficulty Sudoku published in the Guardian must buy the following Monday through Thursday edition.
Puzzle rules and grid layout
The challenge asks participants to fill a standard nine by nine grid completely. Every row, every column and every 3×3 box must contain the numbers one to nine without repetition. To see the completed puzzle, readers need to obtain the next issue of the newspaper.
Timing for solution release
Solutions to Friday and Saturday puzzles appear in either Saturday or Monday editions. The publication schedule covers puzzles released on weekdays from Monday through Thursday. Buying the subsequent issue is the only way to view the finished grid.
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