# Using Memory Techniques To Solve Rubik's cube

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#1 18 December, 2016 - 22:48
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#### Using Memory Techniques To Solve Rubik's cube

I was wondering if anyone has used memory techniques to solve a rubik's cube and how did you do it?

Thanks

19 December, 2016 - 04:11
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I've done a simple 3x3 rubik's cube before I tried to use mnemonics. I used below two tutorials and it took lots of time to remember as I just watched it over and over.

Now if I'm asked to remember this in a different manner I would try to convert the formula into each two digit numbers. For example,

Upper clockwise = UC = 11
Upper counterclockwise = UI = 12

Left clockwise = LC = 21
...
...

UI LI U L U F UI FI => 12 22 11 21 21 23 21 22 ... and then we could use loci to remember those digits. I haven't tried this but I think I need to try as well.

19 December, 2016 - 12:55
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Thanks Parkouristx for this new idea of challenge (in reference to your blog post). So, I learned it today with the links and the method suggested by Myelife.

These are my feedbacks on this challenge :

I found that the most difficult part was to understand well the different stages and to not screw up when applying the algorithms...and I did screw up a number of times. This is painful, as if you screw up badly, you may have to completely start over.

Using the system of myelife I ended up with only 2*47 digits to learn. This is surprisingly low ! Of course you have to add few images to encode the different stages of the resolution, but that's not a big deal. Images are a bit repetitive which raises a bit the difficulty but not that much. But doing actual moves is harder than writing numbers, and when I was not focused enough, mistakes happened. For example, going clockwise instead of anti-clockwise is a mistake I made several times. As I had not a Rubik's cube at home I used a flash game instead, which was not that easy to rotate in space ^^', it should be easier (and funnier) with a real one.

20 December, 2016 - 17:13
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Hi Bruno,

Thank you for your feedback. I just ordered 4x4 Rubik's cube as that's new to me and will try to use mnemonics if there is any formula to rotate them. Actually rubik's cube is more like for the ones who are interested in spacial skill. Actually I know steps to complete 3x3 cube but I still don't understand how each cube rotates when I use those some known steps. There would be some people who don't need to remember those steps as they know what to do to align those cubes. Anyway let me see if I can complete 4x4.. stay tuned..

21 December, 2016 - 15:23
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That is awesome! I have a Rubik's cube now so it is time to learn..... haha

1 February, 2017 - 17:32
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There isn't enough time to complete 4x4 using mnemonics but I realized that 4x4 isn't that complex which I assumed. Actually it uses the similar steps just like 3x3. So I think if you know about 3x3 rubik's cube then 4x4 wouldn't be a problem. I heard 5x5 would be more difficult, though.

9 February, 2017 - 23:45
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I learned the Rubik's Cube using the Lars Petrus method 15 years ago (which I forgot 14 years ago). I made a flash card of and memorized each end stage solution, practiced over and over until I got my time down to under 30 seconds consistently.

27 February, 2017 - 13:24
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I worked on this several years ago.

What I did was number each possible move:

* 1 = toprow left
* 2 = toprow right
* 3 = middlerow left
* 4 = middlerow right
* etc... you can see where this is going
* 7 = leftrow down
* 8 = left row up
* etc...
* 13 = front face counter-clockwise
* 14 = front face clockwise

Assign a major-system keyword to each of the numbers.

Now for each turning algorithm, create a mnemonic story using the major-system words.

One problem I ran into was that some systems included moves I didn't have numbers for... so you either have to come up with more numbers, or translate them to the equivalent in your notations.

27 February, 2017 - 13:39
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I used 0-9 only, with 8 meaning a repeat lateral or vertical on the following move. The first move is always vertical and so if the number starts with an 8, the first move will be lateral. 0, 1, 2, clock wise 3,4,5, counter clockwise. 6 clockwise front 7 counterclockwise front. 9 is a special move.

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