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help me

 
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guest
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PostPosted: Sat Mar 25, 2006 11:24 pm    Post subject: help me Reply with quote

are there any hints that you can give me on finding the solution of sudoku
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TKiel



Joined: 22 Feb 2006
Posts: 292
Location: Kalamazoo, MI

PostPosted: Wed Mar 29, 2006 4:27 pm    Post subject: Reply with quote

Are you referring to a particular puzzle or to Sudoku in general?
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Suryansu Ray



Joined: 23 Apr 2006
Posts: 3
Location: New Delhi, India

PostPosted: Sun Apr 23, 2006 10:29 am    Post subject: Re: help me Reply with quote

guest wrote:
are there any hints that you can give me on finding the solution of sudoku


1. Find a digit lying in two horizontal/vertical blocks. Where should the digit lie in the third block? Check all three block-rows and block-columns.
2. Check each row and then each column for the missing entries.
3. Check each block for its missing digits.
4. Check each empty cell for a unique solution.
5. Repeat 1-4.
6. If there are still some empty cells, draw pencilmarks for them and analyze.
7. If the puzzle still resists, advanced techniques like X-Wings and Swordfish are to be employed.
Good luck!
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