Mollerz
Swag Overlord
You can do this with a simple commutator. For the picture above. (Lower case denotes slice only)
F' [l' U2 l, u] F
Or in normal notation:
F' l' U2 l u l' U2 l u' F
F' [l' U2 l, u] F
Or in normal notation:
F' l' U2 l u l' U2 l u' F