Questions tagged [rubiks-cube]
For questions about the Rubik's Cube (a 3-D combination puzzle) and its variations.
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Shortest Algorithm* That Generates a Harlequin Pattern
What is the shortest sequence of moves that, from the solved state of the cube, creates a pattern that meets the following criteria:
6 colors on each face
at most 2 facelets of the same color
no ...
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How did she do this?
My wife was messing around with my Rubik's cube and made two-toned donuts. How did she do this? I can't find anything online and I think it looks really cool.
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How can I get this impossible 3x3 cube back to a solvable state? [duplicate]
I have a 3x3 cube that I'm pretty certain is in an invalid state. A lot of the advice online is to disassemble the cube and put it back together, but it's a rubiks.com cube and I can't find any good ...
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How can I visualize the Mastermorphix 3x3 modification?
I bought a Mastermorphix a while ago and I’m just starting to want to figure out how to solve it, which is great because it came with instructions. The instructions are telling me that the ...
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Puppet 2 invalid configurations w.r.t. Rubik's Cubes
My MoYu Puppet 2 has had a few small cubes disassembled and I've put them back more or less randomly. Specifically, I merely made sure that the resulting configuration remains solvable as if it was a ...
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Why whenever I repeat an algorithm on Rubik's cube 3 times the orientation of all corners remains the same?
I don't get why whenever I repeat an algorithm 3 times the orientation of all the corners magically returns back to normal. Here is where my confusion comes.
Let's say that some algorithm rotates the ...
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Rubik's Cube PLL Series Challenge
Assumed Knowledge:
To complete this puzzle, you must have a basic understanding of the 3x3x3 Rubik's cube, and the CFOP method of solving one. You need not have the algorithms memorized or be able to ...
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2x2 Rubik, last two corners, cannot solve, not sure it's possible
I am trying to learn solving a 2x2 Rubik. I am down to the last two corners. They are positioned like so:
and
Bottom layer is solved. I have tried all the algorithms I could find to swap two corners,...
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My 2x2 has a twisted corner
So my 2x2 corner is twisted. Anyone know how to fix it without breaking the cube? The cube is the MoYu RS2M.
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Unsolvable Rubik's cube 4x4
I am absolutely baffled by a 4x4 Rubik's cube I'm working on!
Having arrived at an almost solved puzzle bar one flipped corner, I concluded it was assembled incorrectly after reading about similar ...
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n*n*n Rubik's cube algorithm
Is there a universally working (I mean, regardless of n) algorithm for Rubik's cube n×n×n ?
It is acceptable to divide ...
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Scrambling a Rubik's cube such that there are no more than two squares of the same color per side [duplicate]
Inspired by these questions,
Is it possible to scramble a Rubik's cube such that no two squares of the same color are touching?
and
Rubik's cube with no squares of same color nearby
I've been ...
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Strange configuration for last layer
I am trying to solve my Rubik's cube but last layer has got strange configuration which I am not able to solve. I'm following algorithm shown on this page.
Here is the layout:
As you can see green ...
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ASolver Rubik’s Cube Misunderstood Side Orientation [duplicate]
I bought a speed cube from a kid at my high school, and I tried using ASolver (to impress them of-course) and I got an error saying “wrong orientation of corner element”. I don’t know how to fix this, ...
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How to find out if a scramble is an official WCA scramble or not?
My friend recently sent me a reconstruction of his new 6 seconds PB single of the 3 x 3 rubix cube. I was shocked as he is sub-40 on the 3x3. I myself am sub-15 and have a PB of 10.41 seconds. The ...
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Help with solving 7x7 sub-centers inside 11x11x11 Rubik's cube -- errors in guide book
[companion question here]
I was given an 11x11x11 Rubik's cube as a gift. It came with a guide book that I have been following to solve the cube.
After solving four of the 9x9 sub-centers of the cube,...
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Help with solving 5x5 sub-centers inside 11x11x11 Rubik's cube -- errors in guide book
[companion question here]
I was given an 11x11x11 Rubik's cube as a gift. It came with a guide book that I have been following to solve the cube.
I have solved four of the 9x9 sub-centers of the cube,...
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Can you eat a 4-dimensional Rubik's Cube?
If you follow the traditional Rubik's cube eating conventions,
Start by eating any piece except the central one
Next, eat a piece orthogonally adjacent to the previously eaten piece
(repeat)
The last ...
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Combinations of a Rubik's Cube
I recently got a Rubik's Cube and learnt how to solve it, and as anyone has I tried shuffling it to the 'hardest' possible state to solve from, for which my criteria was: none of the same coloured ...
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Orientate the centers of a Master Pyraminx (Pyraminx 4x4)
I have a very strange state on my 4x4 Pyraminx. The green side is solved and the other sides are almost solved, the problem is, on these 3 remaining sides the centers are not solved. The state looks ...
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Unknown PLL case
I'm learning CFOP's Permutation of the Last Layer Algorithms. This hasn't appeared in any PLL list I've seen so far. Really not sure how to search for this/what's the alg to finish the cube. To get to ...
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5×5 illegal parity - how could I move the centerpieces to fix it?
My cube was dropped (kids uugh) and only three center pieces fell out (red blue and yellow). I put them back where I thought they should be, and then solved the cube.
The end result is this weird ...
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Diagonal pattern for 4x4x4 Rubik Cube with all colors on each side?
I love creating patterns on my 4x4x4 cube, so I came up with the idea to create the following pattern:
All sides have a diagonal pattern, meaning something like:
...
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Solving 3x3 Rubik's cube with commutator [closed]
Is it possible to solve the 3x3 Rubik's with only the Y commutator. i.e. [F,R'] = FR'F'R
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How do I solve this 5x5 Rubik's cube? Two faces have the "inner ring" swapped, but the rest of the cube is completely solved
I was just fiddling with a previously solved 5x5 Rubik's cube, and when I attempted to revert it back to the solved state, it ended up with all but 2 faces solved. I can't remember the moves I did to ...
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Shortest algorithm to rotate 2 corners on a Rubik's Cube
I'm looking for the shortest algorithm to rotate 2 corners without rearranging any other pieces location or orientation. For example, turning the Top-Front-Right corner clockwise and the Top-Front-...
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Shortest Algorithm to flip 2 edges on a Rubik's cube
I'm looking for the shortest algorithm to flip 2 edges without rearranging any other pieces location or orientation. For example, flipping the Top-Front edge and the Top-Right edge. My current best is ...
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Is it possible to have 4 or 5 solid colored faces in an unsolved 2x2x2 Rubik’s cube?
My mother is trying to solve a 2x2x2 Rubik’s cube. Sometimes she can get one face solid colored. Sometimes two faces and even three faces.
Is it possible that she could get 4 or 5 faces solid ...
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Diversified Rubik's Cube [duplicate]
I have, cleverly I hope, shuffled my Rubik's Cube for a while. I could not find a position where, for each faces, all colors appear 3 times or less. I always had a or several faces with at least 4 of ...
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Are there any Rubik's cubers who can solve a cube to an arbitrary position?
By "solve to an arbitrary position" I mean something like I give you two scrambled cubes and you make one cube match the other.
This question and its answers confirms that it's possible, but ...
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Is this Rubik's cube broken?
I am trying to solve the Rubik's cube in the picture using the layers' method. I used successfully the same algorithm on another cube, but somehow when I reach the last stage it just does not work. ...
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Commutators in Rubik's cube
Can 4 corner be swapped at the same time with commutator in 3x3x3 Rubik's cube?
Generally, swapping any three and than swapping last one will help, but is it possible to do it in shorter ways using ...
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What does this B'z Rubik's Cube look like when solved?
What does this B'z Rubik's Cube look like when solved?
Also, how should I "transform" it for my 7-year-old son in order to solve it using a Rubik's cube solver?
Pictures below show all six ...
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Top edges have incorrect color when following guide
I’m using an official Rubik's cube guide, but sometimes in the final stage, I get the following configuration that I cannot get rid of using only the algos in the guide:
Top edges have different ...
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How many stickers can a Rubik's Cube lose?
I have an old Rubik's Cube, the kind with stickers. The stickers tend to fall off.
That got me wondering: How many stickers can you remove from a Rubik's Cube at most, while preserving the property ...
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On matching a scrambled 4x4x4 Rubik's cube
Has anyone tried to match a scrambled 4x4x4 cube? It's been a fun challenge that requires learning supercube-safe algs (especially for PLL), and I can succeed 99% of the time. Roughly 50% of the ...
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7x7 Rubik - Solve sides with commuters and conjugates
I've been practicing to better understand and apply commuters and conjugates in big cubes. I've solved the majority of my 7x7 cube but got to a point where I have two side pieces flipped (so blue-...
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Why do centers seem flipped from guide despite centers not moving in relation to each other?
I've been struggling with the first step of the beginner Rubik's cube solving algorithm with one simple problem. I am able to get the top face as all white, with blue and orange center pieces adjacent ...
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What is the maximum number of turns (not moves) needed to solve a Rubik's Cube?
This is more than the normally quoted 20 since the normal maximum solution counts a double turn as one move. If you consider that one move can either one or two turns then what is the maximum number ...
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Adjusting wrongly assembled Rubik's Cube
I bought a new Rubik's Cube and was able to solve it with some tutorials.
However, I made a wrong movement, so that one piece came out. I think, I put it wrong together, because I'm not able to solve ...
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How do I solve this cube?
I’m trying to learn the cube but I'm stuck. How can I solve this in the least number of moves?
The answer is a phrase. Since it’s a secret phrase, an abbreviation will do.
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Solving the peach rubik's cube
I've recently got hold of a peach rubik's cube, which has some interchangeable pices (corners and edges as far as I can make out), and also some edged whch seem to be reversable. Whatever I do, I seem ...
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Algorithm to make two scrambled Rubik's cubes be exactly the same on all faces
There are millions of Rubik's cube combinations possible. If I have two 3×3 Rubik's cubes and both are scrambled, I want to make one scrambled cube exactly the same as the other without solving them. ...
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What is the name of this Rubik's Cube pattern where the two squares bordering a corner are switched cyclically around the faces touching that corner?
I know one that there was a similar one called "glitch".
If possible, could you also provide notations/a video tutorial for making it as well.
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What's the name of this Rubik's Cube pattern, where each face has a main diagonal and an L on either side in three different colors respectively?
This pattern looks really interesting, but all I can find on it is this one picture.
If someone could also provide a video tutorial (if possible), because I don't really do well with notations.
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Most polyominoes on a Rubik's cube
What is the most number of distinct free polyominoes you can form on the faces of a standard 3x3x3 Rubik's cube? Here a polyomino is considered as a set of orthogonally-adjacent cells of the same ...
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Polyominoes on a Rubik's cube
Is it possible to obtain a tetromino and a pentomino of different colour on each face of a standard 3x3x3 Rubik's cube?
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How to make a Rubik's Cube look like a die?
Is it possible to "solve" a Rubik's Cube (the original with 3x3 elements per side and six sides) to make it look like a die (each side showing a different die pattern from 1 to 6, opposite ...
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