M2 edges

Common

Since the 2000s

Stefan Pochmann's M2: swap the DF buffer with each target through UB: 22 cases.

U Face

R' U R U' M2 U R' U' R

10 HTM · 2 algs

L' U' L U M2 U' L' U L

10 HTM · 2 algs

F Face

D M' U R2 U' M U R2 U' D' M2

14 HTM · 2 algs

M2 D U R2 U' M' U R2 U' M D'

14 HTM · 2 algs

U R U' M2 U R' U'

U' L' U M2 U' L U

R Face

R u R u' M2 u R' u' R'

10 HTM · 4 algs

u R u' M2 u R' u'

8 HTM · 4 algs

R' u R u' M2 u R' u' R

10 HTM · 3 algs

R2 u R u' M2 u R' u' R2'

10 HTM · 3 algs

B Face

F' D R' F D' M2 D F' R D' F

12 HTM · 4 algs

U' L U M2 U' L' U

U R' U' M2 U R U'

L Face

L' u' L' u M2 u' L u L

10 HTM · 4 algs

L2 u' L' u M2 u' L u L2'

10 HTM · 4 algs

L u' L' u M2 u' L u L'

10 HTM · 3 algs

u R' u' M2 u R u'

8 HTM · 4 algs

D Face

U R2 U' M2 U R2 U'

U' L2 U M2 U' L2 U

8 HTM · 2 algs

Source: SpeedCubeDB, https://speedcubedb.com/a/3x3BLD/M2Edges, retrieved 2026-10-29: 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.