R' U' F U B2 L2 D L2 D2 B2 R2 B' D R D' L' U2 L2 R F' L B2 R' U' F
F2 U F R2 U R2 U' F2 U' F' U2 L2 F2 B2 L' F D' L2 D R2 D' L2 U2 D
(U2 R2 # F' L) // ext EO on LR-axis (4/4) (F2 B2 L2) // 2x2x2 on DBL (3/7) @ U F R2 U R2 // pair on DRb, giving F2L-2c on B-U (5/12) @ = F2 // insert to roll diff case, sq on Ufr (1/13) U' (U') // shift for F2L-1p on B-UL (1+1/15) F2 U' F' U // all but 3c on F, -1 on inverse (4-1/18) # = [R2, D' L2 D] // insert 3c comm (8-2/24)