I realized that I never posted a classic Butterfly Sudoku puzzle on the main page of the website. A few of them have been posted on the Daily Sudoku Variants page, but the puzzles posted there disappear from this website after a week. So… to rectify this issue, I am presenting you with a Butterfly [...]
Puzzle book for 2013!
10% discount in UK!
but wait! ALSO 10% discount on Amazon.com!
Sample Puzzles!
FREE Puzzles!
FREE Sudoku variants!
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