First two layers (F2L)

Standard

Since the 1990s

Every case cross-checked

Pair a corner with its edge and insert the pair: 41 cases per slot.

One-handed picks

Free Pairs

4 HTM · 16 algs

back-right slot · 4 HTM · 16 algs

back-right slot · 3 HTM · 16 algs

3 HTM · 16 algs

Disconnected Pairs

U' R U R' U2 R U' R'

8 HTM · 16 algs

U' r U' R' U R U r'

8 HTM · 16 algs

U' R U2 R' U' R U2 R'

8 HTM · 15 algs

r' U2 R2 U R2 U r

7 HTM · 14 algs

U R' U' R U' R' U' R

back-right slot · 8 HTM · 16 algs

U' R U R' U R U R'

8 HTM · 16 algs

U R U2 R' U R U' R'

8 HTM · 14 algs

U' R' U2 R U' R' U R

back-right slot · 8 HTM · 13 algs

U2 R U R' U R U' R'

8 HTM · 16 algs

r U' r' U2 r U r'

7 HTM · 16 algs

Connected Pairs

R U2 R2 U' R2 U' R'

back-right slot · 7 HTM · 16 algs

R U' R' U R U' R' U2 R U' R'

11 HTM · 16 algs

U R' U R U' R' U' R

back-right slot · 8 HTM · 14 algs

U' R U' R' U R U R'

8 HTM · 14 algs

R U R' U2 R U' R' U R U' R'

11 HTM · 16 algs

R' U' R U2 R' U R U' R' U R

back-right slot · 11 HTM · 16 algs

R U2 R' U' R U R'

7 HTM · 14 algs

R' U2 R U R' U' R

back-right slot · 7 HTM · 10 algs

U R U' R' U' R U' R' U R U' R'

12 HTM · 16 algs

R' U' R U2 R' U' R U R' U' R

back-right slot · 11 HTM · 16 algs

Corner In Slot

U' R' U M U' R U M'

back-right slot · 10 HTM · 16 algs

R' U R U R' U R U' R' U' R

back-right slot · 11 HTM · 16 algs

R U' R' U R U' R'

7 HTM · 13 algs

R' U R U' R' U R

back-right slot · 7 HTM · 11 algs

R' U' R U R' U' R

back-right slot · 7 HTM · 15 algs

R U R' U' R U R'

7 HTM · 14 algs

Edge In Slot

R U' R' U y' R' U R

7 HTM · 16 algs

U R U' R' U R U' R' U R U' R'

12 HTM · 16 algs

U' R U' R' U2 R U' R'

8 HTM · 15 algs

U R U R' U2 R U R'

8 HTM · 15 algs

U' R U R' U y' R' U' R

8 HTM · 16 algs

R2 u R U R' U' u' R' U R'

10 HTM · 16 algs

Pieces In Slot

R' U R r U2 R2 U' R2 U' r'

back-right slot · 10 HTM · 16 algs

R U' R' U' R U R' U2 R U' R'

11 HTM · 15 algs

R U' R' U R U2 R' U R U' R'

11 HTM · 16 algs

r U' r' U2 r U r' R U R'

10 HTM · 16 algs

R U' R' r U' r' U2 r U r'

10 HTM · 16 algs

Source: SpeedCubeDB, https://speedcubedb.com/a/3x3/F2L, retrieved 2026-10-24: case names, groups, setups and images, and the top-voted algorithms per case with their votes. Every algorithm shown was checked by the logic engine; rejected ones are listed in docs/db-exclusions.md.