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Lesson 1 of 3

Optional techniques · Lesson 1

Pair one corner and edge together

Recognize and insert one connected corner–edge pair as a first step toward F2L.

Before you start

You can consistently solve a 3×3 with the beginner method.

How to hold your cube

White cross down. Put the pair’s empty destination at front-right.

1. Change one part of your method

F2L stands for first two layers. Instead of solving all white corners and then all middle edges, solve a corner and its neighboring edge together. Keep using the beginner cross and last layer while learning this new skill.

Each pair belongs in one slot between two side centers. For front-right, choose the white corner containing the front and right colors, and the edge containing those same two side colors.

2. Recognize a ready pair

The first case to learn has the corner and edge already joined in the top layer. Their touching side stickers form a matching bar, and their relative orientation is ready for the slot.

Use the prepared example’s starting net to locate the white-blue-red corner and blue-red edge. Check both colors of the edge and all three of the corner. Do not assume two neighboring pieces are a useful pair just because one color matches.

3. Insert the prepared front-right pair

R U R'

R opens the slot, U brings the pair over it, and R′ closes the slot with both pieces inserted. White’s cross returns and that corner–edge slot is solved together.

This three-move insertion works for the specific ready pair shown. It does not pair arbitrary pieces scattered around the cube. If your pair is separated, use your beginner corner and edge insertions for now, then return to this controlled case for practice.

4. Add cases gradually

Practice spotting a ready pair while completing normal solves. Learn how setup turns align it above its slot before seeking shorter algorithms. Once this case is comfortable, use the CubeSkills intuitive F2L lessons for additional pair-formation examples.

This lesson is a bridge into F2L. It does not require replacing your entire beginner method at once.

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

The white-blue-red corner and blue-red edge are already connected. Watch R U R′ insert both into the front-right slot.

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 3×3, 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.

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 is an F2L pair?

Now use your own cube

Your turn

Copy the prepared setup on a solved cube, track the connected pair, and insert it. Then compare solving that slot as a pair with solving its corner and edge separately.

Open a 3×3 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

R U R′ does not solve my random pair.

The pieces must already have the specific connected relationship shown in the example. Use the beginner insertions or study the setup instead of repeating it on unrelated cases.

Before moving on

Check your result

3×3 lesson result: A corner and edge solved together. The front-right corner–edge slot is complete and the white cross is preserved. Another middle slot remains unfinished in this example.

Your cube at this stage

A corner and edge solved together

The front-right corner–edge slot is complete and the white cross is preserved. Another middle slot remains unfinished in this example.

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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