F - Front face clockwise
R - Right face clockwise
U - Up face clockwise
R' - Right face counter-clockwise
U' - Up face counter-clockwise
F' - Front face counter-clockwise
U' - Up face counter-clockwise
L' - Left face counter-clockwise
U - Up face clockwise
L - Left face clockwise
U - Up face clockwise
F - Front face clockwise
U' - Up face counter-clockwise
F' - Front face counter-clockwise