I just posted last week about some fancy edge insertion techniques I had learned. With those down, I realized that I was missing a good algorithm for addressing edges placed in the correct F2L slot but flipped. I finally came across this one, which works fantastically:
r (R U R’ U’) r’ U2 (R U R U’ R2)
I’ve got it down to about 2 seconds now, as shown in this quick video:
I previously had used (R U’ R’) d (R’ U2 R) U2′ (R’ U R) for edge flips. Continue reading
