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Formula of generating sudoku

 
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keroro

Joined: 07 Jul 2006
Posts: 2
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PostPosted: Tue Jul 25, 2006 10:39 am    Post subject: Formula of generating sudoku Reply with quote

Is there any formula of sudoku generation?
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Catweazle

Joined: 30 Jul 2006
Posts: 8
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Location: Brazil

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PostPosted: Wed Aug 02, 2006 4:21 pm    Post subject: Reply with quote

Hi Keroro,

I create sudoku's this way:

- make a full 9x9 grid with all the numbers randomly
- remove 4 or 5 numbers from each square and test if it is solvable
- for more difficult puzzles remove more numbers and look at your solver what techniques were neccesary to solve it (to determine the difficulty level)

That's it, succes
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