How to Create a Sudoku Puzzle: Algorithm Explained

In addition to requests for solving tactics and techniques for many puzzles, we also receive queries with regard to how to actually create puzzles. One of the most common questions is 'how can I fill a sudoku grid?'.

This video answers that question by outlining a simple algorithm that can be used to create a valid, filled sudoku grid - either by hand or, more commonly and of course much more quickly, by implementing the algorithm in a simple computer program.

We hope you find this video informative, useful and interesting. Please do let us know if there are any other videos you'd like to see or other puzzle questions answered in the comments below, and please do subscribe to our channel if you find the content interesting.

If you like solving logic puzzles, you can play many new puzzles daily with a membership to our Puzzle Club:

► clarity-media.com/onlinepuzzles/ ◄

Part two looks at how to create a valid symmetrical sudoku that a human can solve from any given solution grid. You can view that here:
youtube.com/watch?v=DpmTbMQFHaI