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Lesson 3 of 4

Last layer · Lesson 3

Put the yellow corners in order

Rearrange the last four corners to solve every face.

Before you start

Solid white and yellow faces; the white layer has matching side pairs.

How to hold your cube

Yellow up. Align a matching top pair over its bottom pair, then rotate sideways to hold it at left.

1. Look at the top pair on each side

Because every piece is a corner, the two top stickers on a side form the pair you need to compare.

  • Four matching pairs: turn U to align them with the bottom pairs. The cube is solved.
  • One matching pair: turn U to place it above the bottom pair of the same color, then rotate the whole cube sideways to hold this solved side at left.
  • No matching pair: perform the sequence below once from any front. It creates a pair. Set that pair up as above before repeating.

2. Swap the two corners on the right

R U R' U' R' F R2 U' R' U' R U R' F'

This is the T permutation. Keep yellow up and your chosen pair at left. The two top-right corners exchange positions, while the white and yellow faces stay oriented.

Break the sequence into R U R' U', then R' F R2 U' R' U', then R U R' F'. Do all three parts without changing your front.

3. Recheck the new state

If you started with no matching pair, do not repeat blindly. First find the new pair, align it with the bottom, and put it at left. Perform T again from that grip.

When each side’s top pair matches internally, turn U until all pairs match the bottom layer. Because the white layer is already correctly ordered, one U alignment finishes the cube.

4. Inspect the hidden faces

Look at all six faces, including back and bottom. White and yellow alone are not sufficient: every side needs four matching stickers. You are ready for a fresh full solve when they all match.

Need a reminder of the move notation?

R right · L left · U top · D bottom · F front · B back. A plain letter is 90° clockwise looking directly at that face. An apostrophe (′) reverses it; 2 means 180°. Keep the front fixed during an algorithm.

Watch, then try

Work through an example

Use one move at a time first. This prepared case teaches a specific action; use the lesson’s setup instructions to recognize when it applies to your own scramble.

Watch one worked example

A matching top pair is aligned on the left. T exchanges the two top-right corners to finish this prepared cube.

Example grip: yellow up · blue front · red right at the start. Follow any written whole-cube rotations.

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Loading 3D cube…

Drag to inspect other faces. Arrow keys rotate the view when the cube is focused.

Copy this exact example on your own cube

Start with a solved 2×2, yellow up and blue front. Apply the setup below from left to right. This creates the example’s starting position. Keep this separate from the ongoing scramble you are solving through the course.

F R U' R' U R U R2 F' R U R U' R'

Then follow the lesson sequence. If your cube’s color scheme differs, match the piece relationships using your own colors.

Compare the starting position and the result
Before the example
After the full sequence

Drag each cube to inspect its other faces.

Explain it to yourself

Check your understanding

What if no side has a matching top pair?

Now use your own cube

Your turn

Find matching top pairs, set one up at left, and perform T. When all pairs match, turn U to align the whole top layer.

Open a 2×2 Digital Cube for practice

Opens in a new tab so you can keep this lesson beside your practice. Check the lesson goal yourself; the Digital Cube does not grade it.

If you get stuck

Two faces are solved but the side colors are not.

Compare the top pairs. If each pair matches internally, align the top with U. Otherwise set up the matching pair at left and use T.

Before moving on

Check your result

2×2 lesson result: All six faces solved. Every face is one color. Check the back and bottom as well as the faces you can see here.

Your cube at this stage

All six faces solved

Every face is one color. Check the back and bottom as well as the faces you can see here.

Confirm these on your cube. Watching the animation alone does not complete the lesson.

Check every item when you can do it yourself.

Scan your cube

Scan the QR code with your phone to open Cube Solver, then use the app to scan your cube. Keep this page open while you scan.

Tap “Open scanner” to scan your cube in the app on this phone. Return to this browser for the solution.

  1. Open your phone’s camera.
  2. Scan the QR code.
  3. Follow the instructions in Cube Solver.
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Connect another phone
  1. Open your phone’s camera.
  2. Scan the QR code.
  3. Follow the instructions in Cube Solver.
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