Simpler one‑piece sequence:
F B' U D' R L' F B' then rotate whole cube 90° around y‑axis and repeat.
M' U M' U M' U2 M U M U M U2 repeated on all slice planes.
Simpler one‑piece sequence:
F B' U D' R L' F B' then rotate whole cube 90° around y‑axis and repeat.
M' U M' U M' U2 M U M U M U2 repeated on all slice planes.
Simpler one‑piece sequence:
F B' U D' R L' F B' then rotate whole cube 90° around y‑axis and repeat.
M' U M' U M' U2 M U M U M U2 repeated on all slice planes.