Guardian Sudoku puzzle requires buyers to purchase next issue for solutions
Readers must buy the next edition of the Guardian newspaper to see the completed solution for the medium difficulty Sudoku published Monday through Thursday.

Puzzle rules and grid layout
The puzzle asks players to fill a standard nine by nine grid with numbers from one to nine. Every row, every column and every three by three box must contain each number exactly once. This specific challenge is rated as medium difficulty on the publication scale.
Solution availability schedule
Solutions for puzzles released on Friday and Saturday appear in either the Saturday or Monday edition of the paper. The completed grid for the current weekday puzzle is not included in today's issue. Subscribers need to wait for the following print run to check their answers.
Purchase requirement details
Access to the answer key requires purchasing the next available issue of the newspaper. The publication does not provide online solutions for these specific daily challenges. Readers looking for immediate help must rely on future editions rather than digital archives.
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