Sudoku


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Sudoku

Postby Jon » Wed Nov 09, 2005 9:19 am

Has this craze hit the US (or any other countries)? It's all over the UK at the moment – dozens of different Sudoku books in the shops, newspapers bickering over which paper brought it into the country first, etc, etc. Personally, I'm addicted to the damn things – do a few every day.

If you don't know what they are yet:
http://www.google.com/search?q=su+doku



Do you do Sudoku?
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Re: Sudoku

Postby Daisy » Wed Nov 09, 2005 9:24 am

Jon wrote:Has this craze hit the US?


Wisconsin state journal has one each day, they get progressively harder each day. I have done a few. The easy ones are pretty boring but the harder ones can be interesting, so I normally attempt the Friday one. Sometimes it all clicks into place and other times my time limit runs out and i leave it for someone else to finish. Worst is when you think you're done it only to find that the last few number don't fit AAAHHH!!
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Postby Jon » Wed Nov 09, 2005 9:35 am

Hehe, I know the feeling. Although I must be getting better, as I can't remember the last time I wasn't able to finish one. I have a few books of them and they have four sections – easy, medium, difficult and fiendish. I usually start at the last section, because that's where all the fun is. My best time for a fiendish one is 12mins, and best for a difficult one is 7mins.

Have you ever tried a Samurai Sudoko? :twisted:
Image
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Postby tafnut » Wed Nov 09, 2005 9:45 am

I read about it - did (a fairly simple) one - saw no appeal whatsoever, and stopped. I am, however, addicted to the NY Times Sunday Crossword Puzzle every week.
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Postby bad hammy » Wed Nov 09, 2005 9:47 am

The SF Chron started them up a couple of months ago. I can see the appeal, but have stayed away. mrs. hammy is a fan.
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Postby MJD » Wed Nov 09, 2005 10:03 am

Too easy. Nunbers crosswords are more difficult and I will do those to fend off Ally Zimer. They are big up here and when they first came out, I didn't realize that 9 unique numbers had to go into each nine square box. That makes them easier, not harder.
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Postby slowcoach » Wed Nov 09, 2005 11:45 am

I got sucked into a sudoku-powered vortex. Managed to f*** a few up before I got the hang of them, then progressed to the toughies. But 7 mins? That's flying, Jon. I'm afraid we'll need a dope test. :twisted:

I saw the samurai version once and it fell handily enough, but lately I've managed to steer clear of them: they're so addictive.
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Postby JRM » Wed Nov 09, 2005 12:02 pm

I love Sudoku, although I agree that some are too easy. Curiously enough, I sometimes find the "Diabolical" level to be easier than the "Tough" one.

MJD wrote:Too easy. Nunbers crosswords are more difficult and I will do those to fend off Ally Zimer. They are big up here and when they first came out, I didn't realize that 9 unique numbers had to go into each nine square box. That makes them easier, not harder.


Have you tried "Super Sudoku"? (or as I call it, Hexadecimal Sudoku -- 16 4x4 boxes, numbers 1-0,A-F, same rules).
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Postby tlb747 » Wed Nov 09, 2005 2:29 pm

Never heard of it until now.
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Postby Jon » Thu Nov 10, 2005 3:24 am

MJD wrote:Too easy. I didn't realize that 9 unique numbers had to go into each nine square box. That makes them easier, not harder.
It varies from puzzle to puzzle. Depends on how many numbers they give you to start with. For example, this one appears quite tough (don't know for sure – haven't tried it yet):
Image

JRM wrote:Have you tried "Super Sudoku"?
Not yet, but it sounds good. Have you tried "killer sudoku"? Blank grid, but there are sub-sections outlined by a dotted line with a small number in the corner of each. The number is to show what the figures inside the dotted line have to add up to – on top of that, the usual sudoku rules apply (i.e. 1-9 in each grid, etc):
Image
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Postby Jon » Fri Dec 23, 2005 1:31 pm

slowcoach wrote:But 7 mins? That's flying, Jon.


A few weeks ago I reduced my PB for the super-difficult sudoku to 6mins :D
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Postby MJD » Fri Dec 23, 2005 2:33 pm

That other cross sum puzzle is getting very popular too and I have to concede that they are way easier although there are those that say they are harder.
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Postby slowcoach » Fri Dec 23, 2005 3:53 pm

26 clues in the above grid. I have a 17-clue grid that I'm going to attack on Christmas Day.

17 clues is thought to be the minimum:

http://www.maths.nuim.ie/staff/gmg/sudoku/index.html

Kakuro I find a lot tougher. Must be my old brain.
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Postby MJD » Fri Dec 23, 2005 3:59 pm

I just have to look at them and the patterns all fall into place.
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Postby wineturtle » Sun Dec 25, 2005 8:10 am

Santoku,isn't that the Japanese bird's beak chopping knife made so popular by that annoying little Lake George Countergirl/Food network diva , $40 Rachael?
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Postby Jefferson Buffalo » Sun Dec 25, 2005 8:28 am

wineturtle wrote:Santoku,isn't that the Japanese bird's beak chopping knife made so popular by that annoying little Lake George Countergirl/Food network diva , $40 Rachael?

That's interesting. I once knew a girl whose nickname was $40 Rachael. But that was many years ago--I would assume that her price has gone up since then. :)
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