Hints for Sudoku puzzle of the day
Sunday April 27, 2025
The puzzle is too hard; I can't give hints.
Want a personal book of puzzles?
Send me a note indicating how many puzzles you want and what kind,
and I can build you a PDF file tailored to your specifications.
Puzzle types: classic (sizes 4, 9, 16, 25, 36, 49), diagonal (sizes 4,
9, 16, 25, 36, 49), centerdot (sizes 9, 25), multispot (sizes 5, 6, 7,
8, 9), multifour (sizes 8, 12), multi-9 (size 18).
All puzzles can be generated to require no guesses or 1 guess.
The price of the book depends on how many puzzles you want and how big
they are.
All puzzles come with hints and solutions.
Like what you see?
All puzzles come with both hints and solutions.
Authors
Raphael Finkel (mail me: raphael at cs.uky.edu), Victor Marek, Mirek Truszczyński