Step 1/4 · Faster reduction

Pochmann-style centers

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Build half of each side center, then shoot pieces over from the top one by one. Faster than the elevator.

Goal

Solve the 6 centers faster than with the elevator. Each move puts a piece into its center, with little rebuilding.

Order

  1. Solve the white center as in Solve the 6 centers.
  2. Hold white on the left. On the four faces the Lw slice passes through, build a matching 2x1 block in the column next to white.
  3. Flip the cube so white is on the bottom. Each side face now has half a center.
  4. Turn the top so the piece to shoot sits in place, then "shoot" it to the side with one of the three algorithms below.

How to recognize it

Look on top for a piece of the front color. Look at the front center to see which spot is missing. Those two spots tell you which algorithm to use.

Memory tips

  • The missing spot is in the top row of the front; the piece to shoot is in the front row of the top.
  • After shooting, turn the cube with y to the next face. White stays on the bottom.

Common mistakes

  • Forgetting to undo Rw and breaking the white center below. Every algorithm ends by undoing it.
  • Building the 2x1 blocks in the wrong column. They must sit next to white so shooting does not touch them.

Next lesson

With two centers left, go to Last two centers.

Step 1 / 3

Rw': 2 Right layers: turn 90°, front face goes down

The top has a blue piece in its front right spot. The front center is missing its top left spot.

Rw' brings the blue piece down to the front. F turns it into the center, Rw lifts the right column back. Left version: Lw' U Lw.

Step 1 of 3: Rw'. 2 Right layers: turn 90°, front face goes down