It seems less splices as we move into the reel:

sync 35mm to 16mm - as 2 parallel streams matching where they can
2nd 1000 frames

35mm frames . . description
09219-15933 . . begin match @ mall-hall
15934-16074 . . begin 35mm-Italian LUH-report
. 00000-00145 . spacer for 16mm-English LUH-report & spliced-out LUH-cabinet (2 frames)
16075-19191 . . begin match @ LUH-cabinet

16mm frames . . description
09962-16676 . . begin match @ mall-hall
. 00000-00140 . spacer for 35mm-Italian LUH-report
16677-16820 . . start 16mm-English LUH-report
16821-19939 . . begin match @ LUH-cabinet (-2 frames)