This is the archive of the old posts from Djape .Net, more or less as they used to be. Please go to djape.net to see the new website.

Butterfly Sudoku

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 Sudoku Overlapping Sudoku Variant Puzzle

There are 4 classic Sudokus inside this one. They overlap heavily. Each one of the four starts (or ends) in one of the corners. So… even though there are 12 cells in each row and column, first 9 belong to one sub-puzzle and last 9 belong to another one. Make sure you are clear with the rules, or ask me to clarify again. How do you solve Butterfly Sudoku? Well, all classic Sudoku solving techniques can be used; in addition, Twin Nonets are basically a must for this layout. If there is an interest in these, I might publish a sudoku book full of Butterfly puzzles 🙂 Difficulty: THINKER
(click to download or right-click to save the image!)

Loco Sudoku Puzzle Book Cuckoo Wacky Quirky


To see the solution to this puzzle click here
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2 Comments

  1. Dennis Hewitt
    Posted February 24, 2012 at 8:17 am | Permalink

    This one was a toughy, but we loved it. Publish some more like it.

  2. Rajesh Kumar
    Posted March 5, 2012 at 8:09 am | Permalink

    Today I bought “Outside Sudoku and its Variants” book by you. Looks very good as of now.

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