robindeun
Regular
i recognise them to look at the 2 matching corner/edge
if the 2 are in the back then R2 u' if they are in the front then R2 u
if they are on the right side i look if they are in the front or back
in the front you do R U R' y in the back R U' R' y'
if the 2 are in the back then R2 u' if they are in the front then R2 u
if they are on the right side i look if they are in the front or back
in the front you do R U R' y in the back R U' R' y'