H perm

M2 U M2 U2 M2 U M2

M2 U' M2 U2 M2 U' M2

R2 S2 R2 U' R2 S2 R2

Did you know?

Most fast solvers use CFOP, also called the Fridrich method after Jessica Fridrich, who developed much of it in the 1980s and later became a university professor.

Swedish cuber Lars Petrus devised his own method in the early 1980s. It builds a 2x2x2 block first and is still taught today.