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Help on puzzle Sunday 17th July

 
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linoliverpool



Joined: 21 Jul 2005
Posts: 4

PostPosted: Thu Jul 21, 2005 8:24 am    Post subject: Help on puzzle Sunday 17th July Reply with quote

Hi All,

I am a firm believer in not adding numbers in and "trying" numbers and seeing if they work.

I am a fairly new starter at all these puzzles but I am stuck on this one.

I have entered a few numbers and can now not logically see any advancement to be made (without the try it and see method). I have put this puzzle in several sudoku solvers and asked suggestions and they all say - no next move can be calculated.

How do I go on from here! I have solved the puzzle by trial and error but that isnt the way they should be done.

I was going to paste the image in here but havent a URL for it so here is how far I have got

Code:
6-2 --- 198
-4- -9- -36
3-- -6- --4

--- -73 -4-
--- 1-6 ---
-8- 25- -1-

825 -1- -63
937 62- -51
164 --- 9--


please can someone explain how I progress - thanks a lot
Michael!!!
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Blas



Joined: 19 Jul 2005
Posts: 8

PostPosted: Thu Jul 21, 2005 12:21 pm    Post subject: Help on puzzle Sunday 17th July Reply with quote

Michael

You're at EXACTLY the same place as I am. I tried DRAW and it said 3 in row 1, col 4, but I do not understand the logic as to why a 3 is suggested. Can someone PLEASE help (what about you fiendish Daily Sudoku setters??)

Cheers
---Blas
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samgj
Site Admin


Joined: 17 Jul 2005
Posts: 106
Location: Cambridge

PostPosted: Thu Jul 21, 2005 6:24 pm    Post subject: Re: Help on puzzle Sunday 17th July Reply with quote

Blas wrote:
Can someone PLEASE help (what about you fiendish Daily Sudoku setters??)
---Blas


Well, there's only one of me!

Code:

6-2 --- 198
-4- #9* -36
3-- #6* --4

--- $73 -4-
--- 1-6 ---
-8- 25- -1-

825 -1- -63
937 62- -51
164 --- 9--


The $ cell must be an 8 or a 9. The only places in the top middle box that the 1 and 2 can go in are the *-ed cells. This means that the 8 has to go in one of the #-ed cells, so the $ must be the 9.

Not sure why the clue for this one isn't the next step -- I guess I'll have to sort that out!

Sam
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Blas



Joined: 19 Jul 2005
Posts: 8

PostPosted: Fri Jul 22, 2005 11:49 am    Post subject: That VERY HARD one Reply with quote

Brilliant. It had just finally struck me about the two 12 687 cells.

Thanks for excellent help and a very good brain work out.

---Blas
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Blas



Joined: 19 Jul 2005
Posts: 8

PostPosted: Fri Jul 22, 2005 11:50 am    Post subject: Reply with quote

Good grief - can I never type? I meant 12 587...... (ie not 12 687)
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