I'm having a tough time with technique/finger-tricks for OLL 23:
(R2 D') (R U2) (R' D) (R U2 R)
Conversely, Bob Burton and Badmephisto do it with headlights toward them:
(R2' D) (R' U2) (R D') (R' U2 R')
Unlike with other algorithms, I just can't find a rhythm or way of breaking these down...