Creation/Solving
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In Development
Who Created This Website?
My name is Alexandra Harner, and I earned a Ph.D. in Computer Science from the University of Nebraska-Lincoln.
My focus is on Machine Learning and Constraint Satisfaction Problems.
I developed the "Fill Remove Method" for quickly creating Sudoku puzzles,
which I detail in my book, CREATE CLASSIC SUDOKU: Make Your Own in Minutes.
This website is designed to help you learn to solve and create Sudoku puzzles.
What Is This Sudoku Website About?
As a registered member, you can access detailed information on how each Indexed Sudoku and Calendar Sudoku was created and get step-by-step solving instructions.
You can save Sudokus, manage your collection, and customize your grid's appearance. Use your own methods or our Fill Remove Method to create Sudokus.
You can also solve puzzles by uploading images from various sources, aided by our Sudoku picture recognition feature.
For more about the website’s features, visit the HELP CENTER.
Feel free to share your suggestions via email at create.classic.sudoku AT gmail (the rest you can figure it out).