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 Post subject: god's algorithms on-line...
PostPosted: Thu Sep 06, 2001 3:34 am 
Hi !

I recommend you visit the following URL
to access god's algorithms for 8 well known 3D puzzles:

http://crypto.cs.mcgill.ca/tnguye48/applets/Puzzles.html

enjoy!

Claude Crépeau
McGill University


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 Post subject: Nice work
PostPosted: Thu Sep 06, 2001 12:21 pm 
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Joined: Tue Jul 25, 2000 2:35 am
Location: Oshawa Ontario Canada
Nice work Claude!

Now people can find optimal sequences for patterns for the pyraminx, something that I don't think has been done before.

I noticed you have a part of my cube chronology on your site. That was from an older web page, and I have a somewhat more up to date one at http://cubeman.org/cchrono.txt

I see you added a little of your own chronology to the cube timeline, very clever :)

Mark


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 Post subject: God's Algorithm's
PostPosted: Fri Sep 07, 2001 12:21 pm 
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Joined: Wed Mar 15, 2000 9:11 pm
Location: Delft, the Netherlands
> Now people can find optimal sequences for patterns
> for the pyraminx, something that I don't think has
> been done before.

Well, it's been done before by many people, just not made generally available on the web.

I'm quite sure Claude and Thanh are the first to make their databases searchable on the web. I think this is a great piece of work, which can be very useful.

Also, Thanh's results for the Ultimate Skewb are new as far as I know. Claude kindly passed them on to me a while ago and allowed me to put them on my page.

I have often written my own programs to calculate God's algorithm and then to use it to solve patterns. I did it for the Pyraminx, 2x2x2 cube, diamond, pyramorphix, normal skewb amongst others. These programs were all quick hacks, not in any kind of state required for release to the public, so I suppose it doesn't really count. I'm sure several other people have done the same.

Jaap's Puzzle Page:
http://www.org2.com/jaap/puzzles


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