R2 U F2 R2 D U' R D B F D2 U R F2 B R' F2 B D2 U' F' L' F' R L'
premove F
R' B' D2 F R F 2x2x3 6+1
F R F' U' F R2 F' = F2L - slot 12+1
R B' R' B U2 B U' B' U leaves 5 corners but unfortunately requires three 3-cycles 22+1
commutators to solve corners:
F U' B' U F' U' B U solve 1 corner and moves the twisted corner 30 +1
U F U' B U F' U' B' solve 2 corners 37 + 1
F R' B L B' R' B L' B' R2 F' last three corners 48 + 1
F undo premove cancels
total 47 HTM
Too bad for the bad 5 corner case
Next: D2 U2 R B D F' L2 F2 D U B' U2 D2 L2 B' L' F R L F2 U2 L2 U2 D' L2