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First Two Layers, or F2L are normally the first two bottom layers of the 3x3x3 Youtube: How to get faster at the 3×3 Rubik’s cube – F2L – by Feliks Zemdegs. We have to learn two algorithms which are symmetric to each other. We call them Left and Right algorithms. Learn how to solve the Rubik’s Cube with this simple and easy to follow F2L ( First 2 Layers) is a way of continuing after solving the cross.

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F2L Algorithms – CFOP SpeedSolving F2L #41 Cases

It does rubbik time to get used to, and it doesn’t really matter how long you take when you’re practising. Using this algorithm is much faster, as it makes a cross in one go. This idea of finding an empty space on the cube and using it to build a corner-edge pair is crucial to F2L, as of course you want to be able to construct each of the four F2L pairs without disturbing any previously rubikk ones.

I shall now try to explain some further concepts that you can use to improve your F2L. Cross cube state Next state: They are there so you can see an optimal way to solve each case, but try to not rely on them for every single Rubki case you encounter.

I have not had time to make sure all these moves are correct. At last, turn the cornerpiece back.

F2L Algorithms Page

rubki However, many other sites do have so-called “algorithms” for this step. I know that explaining F2L is very difficult.

If you had no correct edges in your last layer, you can just use one of the above algorithms anyway, like with the corners in the previous step. It is difficult to teach intuition, but through practice it should eventually just ‘click’ in your head. The first approach involves taking each edge piece, putting it above where it needs to go, and turning the appropriate face twice to place the piece on the bottom layer.

When done at full speed, F2L can be completed in less than 10 seconds!

There are five such cases that you should learn the algorithmic solution for, and they’re all in this nice little table:. Next, turn the edgepiece into that position and turn the edgepiece rubiik down. This advice applies to gubik of steps in this guide, but it is most important during F2L and step 1, the cross.


But because you’re not a beginner any more, you can be a little clever if you find yourself presented with this:.

What’s even better is that these few algorithms are used in the full CFOP method anyway, so we’re not wasting any time! Through practice, your lookahead will improve to a point where you can perform every algorithm very quickly, but without losing the ability to know what you’re doing next. Then, once you know those few algorithms, you can begin to learn the rest of the last layer algorithms while always being able to fall back on the ones you know.

F2L can be a little difficult to get your head around. An intuitive way of thinking about this situation might produce something like the first algorithm, as it follows the usual principles of pairing the edge and corner piece and inserting them together. Just like with the happy red-green pieces before, sometimes you will come to an F2L situation that you’ve solved many times, but solve it in a different way because you want to set up the next F2L pair for easy solving.

This will be awkward the first few times you attempt it, but it is certainly worth practising. Corner Bottom Case 5: This completes the cube, which you probably know looks like this:.

But you could also place the white-red piece by doing this: If you need to swap opposite edges, you can use this algorithm:. Once you have it set up like this, hold the white piece at the side at look at the colour at the front side.

The next step is to solve the rest of the first two layers which is what F2L stands for at the same time, to get this:. In the image, you would have to do the following: The corner piece is paired with the edge piece, and the pair is inserted into the right place.

If you are thinking “how the dickens is anyone supposed to do this in 4. The first thing you do is finding a white cornerpiece, ruubik it’s corresponding edge piece. PLL gets the same treatment, as we’ll be permuting the corners first and then the edges. Page actions View View source History More. Turning the whole cube in your hands is a slow waste of time.

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I’m not even kidding. Go on, I’ll wait right here. Before you begin executing F2L, you should have created the white cross already. Almost always, you’ll find yourself in the position, in which the two pieces are in the top layer.

If it is on the right, the spot runik in FL. There are, however, a few situations you might find yourself in where this procedure is not quite so obvious. F2L Information Proposer s: Being able to recognise it and perform it without thinking will make the task of learning lots of algorithms much, much easier. Look at the top colour of the edgepiece, and get the edgepiece above the corresponding centerpiece, as shown in the picture.

G2l you learn F2L the arithmic way, you learn every single situation and a corresponding algorithm. However, knowing that you can solve this step using just one algorithm is useful during the learning process! World Cube Association Regulation A3a1 states that a competitor has up to 15 seconds of inspection time before attempting a solve, and you would want to be spending this time mentally formulating a complete solution to the cross which you could then execute very quickly at the start of your solve.

They also tend to use more double layer turns like d as opposed U y’. Don’t worry if you struggle! Of course, when you’re just sat at home on a lazy Sunday idling the afternoon away with a Rubik’s Cube you likely won’t be paying much attention to official WCA competition rules, but it does give you something to aim for.

Something else to bear in mind is that you don’t always need to put the edge pieces in the correct place straight away. Try practising going from a scrambled cube to completed F2L very slowly, and making sure you have a continuous steady flow. Fortunately, there is a huge algorithm database for your perusal, where you can find the perfect algorithms for rubuk. The only pairs that needs both R and F turns are the six ones with the edge unoriented in the slot, if the edge is oriented in the slot both ways works.