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Article #2759Re: Rubik's cube designs
From: Hana Bizek
Date: Thu, 20 Jan 2000 00:00
Date: Thu, 20 Jan 2000 00:00
59 lines
4621 bytes
4621 bytes
Willem-Jan Monsuwe wrote: > > )Thank you. And they can be done because I have done them -all of them - > )by comventionally twiddling the cobes. Needless to say, one should be > )able to solve the Rubik's cube completely as a prequisite. So far I am > )failing in my search for people who can do this type of thing. > )Hana a kostky > > You should also be able to duplicate a cube. Interesting challenge, > that: Scramble a cube, give each contestant a solved cube, and let > them recreate the scrambled cube. > That brings me to constructing individual patters on a cube. People do this, and you can find such patterns on the web. This is the first step of a simple, non-refined design algorithm. Since I cannot memorize things well, I have developed an algorithm to meet these needs of as little rote as possible. > Anyhow, I looked at the designs on your page, and I can safely say that > if I ever have the money to blow on it, I'll go out and buy a couple > dozen cubes to make designs with. > For a minimum design, you need 8 cubes. 27 cubes is better. You can go higher, but it becomes more expensive. > I already have an idea for the first design I'll make: A worm, i.e. > a signle line which walks around the entire cube surface. > (Would make an interesting puzzle in itself to fit the cubes together..) The second easy step of the unrefined design algorithm is to do just that. And yes, it IS a puzzle in itself. I call it the color control. Color control makes the design algorithm three times as complex as the solution algorithm. But it has to be done, otherwise yoou have no design. > Would be even nicer if the lines also walk around inside surfaces, so > that when you remove a cube, you still have one line.. I found out that some of the links in http://cube.misto.cz will give you error messages. You see, I got these files on the web and they have migrated. The most serious such migration occurred in a file, where I have 3 designs. I asked the owner, Jiri Fridrich, to put those on the web, before I obtained the cz* site. They have changed his server. Look at http://www.binghamton.edu/fridrich/hana1.html and click on Jarmila design. It might give you some tips on whaat you want. > > By the way, do your designs also have an internal structure ?? > Noi, not offhand. But the designs' interior has not been neglected.You can create a "design within a design. Or you can set a certain criterion and investigate the design's sytmmetry. Rhis is one if the subproblems of the design problem. The design priblem has ramifications in fuelds in science and math. I know it sounds strange, but it spans fractal geometry and parity. Hana a kostky > SaSW, > -- > Willem (at stack dot nl) > Disclaimer: I am in no way responsible for any of the statements > made in the above text. For all I know I might be > drugged or something.. > No I'm not paranoid. You all think I'm paranoid, don't you ! > #EOT
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fa70b,cb2f33b9a8d8dd55 X-Google-Attributes: gidfa70b,public X-Google-Thread: 10b299,cb2f33b9a8d8dd55 X-Google-Attributes: gid10b299,public X-Google-Thread: 102524,cb2f33b9a8d8dd55 X-Google-Attributes: gid102524,public X-Google-Thread: 109d8a,cb2f33b9a8d8dd55 X-Google-Attributes: gid109d8a,public X-Google-Thread: 1130d6,cb2f33b9a8d8dd55 X-Google-Attributes: gid1130d6,public X-Google-Thread: fc333,cb2f33b9a8d8dd55 X-Google-Attributes: gidfc333,public X-Google-Thread: fee76,cb2f33b9a8d8dd55 X-Google-Attributes: gidfee76,public From: Hana Bizek <hbizek@ameritech.net> Subject: Re: Rubik's cube designs Date: 2000/01/20 Message-ID: <38878EF9.6100@ameritech.net> X-Deja-AN: 575464627 Content-Transfer-Encoding: 7bit References: <387DD6C1.24CC@ameritech.net> <Tbwf4.7631$yh3.782935@news1.rdc2.pa.home.com> <387F0091.BEA@ameritech.net> <d9Mf4.8315$yh3.823944@news1.rdc2.pa.home.com> <387FBB09.6490@ameritech.net> <_l3g4.104$j63.47880@news1.rdc2.pa.home.com> <38811342.75DF@ameritech.net> <864j2g$828$1@baker.cc.tut.fi> <388642C7.3DBD@ameritech.net> <slrn88eujk.20q6.willem@snail.stack.nl> Content-Type: text/plain; charset=us-ascii X-Trace: nntp0.chicago.il.ameritech.net 948408128 199.179.184.53 (Thu, 20 Jan 2000 16:42:08 CDT) Organization: Ameritech.Net www.ameritech.net Complaints: abuse@ameritech.net MIME-Version: 1.0 Reply-To: hbizek@ameritech.net NNTP-Posting-Date: Thu, 20 Jan 2000 16:42:08 CDT Newsgroups: rec.puzzles,alt.math,sci.math,alt.math.recreational,alt.brain.teasers,misc.writing,cz.soc.mensa