F U² R'' U' L U' R F'' U² R² U' L' F'
(13,18)
acube
F D' L' e F'' D²s B' D L'R² e B²
(15,20)
acube
(third level corners are respected)
F U² R'' U' L U' R F'' U² R² U' L' F' (13,18) acube
F D' L' e F'' D²s B' D L'R² e B² (15,20) acube(third level corners are respected)
