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Insert the white corners
Keep white down. Find a white corner on the upper layer and identify its destination from its three colors. Use U to place it directly above that destination, and choose the front view so the destination is bottom-front-right.
With the corner in upper-front-right over its correct slot, repeat R U R' U' until it inserts with white down. Check after each complete sequence; it may take one, three or five repetitions. If a white corner is trapped incorrectly below, use the same sequence at its slot to lift it out, then position it properly.
Worked example
A white-red-green corner must finish between those three centers, not merely anywhere on the white layer.
Try it yourself
Insert all four corners and confirm that the entire bottom layer and its side row match.
Interactive 3×3 cube practice
Yellow up, white down, green front, red right. Turns use that fixed grip; changing the view changes the camera only.
Supported moves: U D R L F B, optionally followed by ' or 2. No whole-cube, slice or wide moves.
Solved practice cube. This simulator demonstrates moves; it does not solve an arbitrary physical cube.
Times are stored only in this browser.
Check your understanding
How do you identify a corner’s destination?
A corner belongs between its three matching centers.
References and further reading
Lessons and examples are original introductory material. These references offer further study; their material is not included as a copied course.
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