Further optimizations for the F3 corner combo ending in DF3U3...
Corner F3 Starter (22 Hit 511.07)
F3, J3, 11, 11, 112~4 (Lv 3), J2, 21~BF2 MB, J2, 21~DF3U3
Can remove the 11's for easier execution for those having trouble landing the combo as shown...
Also by ending in DF3U3 you can follow...