Saved 1 (edit: or 2? compare to last file) frame on 3-1 with different start (interrupt juggling over damage boost or avoiding without interrupts route), probably improvable (I had to use interrupt between dog and knife tosser to get fast recovery).
Also next level missile guys position fixed but the first bird hit us (so we need to jump 1 frame later, need to test which is faster (subpos manip to prvious route or jump later for better birds and knife tosser positions).