This new section was just some broken-film splicing of the 35mm (however, there was a brightness fluctuation with a darker fade-out of the 16mm shot, of THX & LUH embracing; no frames were lost, as the following THX morning-shower shot remained in sync):

sync 35mm to 16mm - as 2 parallel streams matching where they can
4th 1000+ frames
[note: each 1000-frame section begins exactly on shot; section ending isn’t trimmed]

35 frames . . description
28944-30132 . . begin match @ crowd_talk
. 00000-00001 . spacer for spliced-out crowd_talk
30133-31085 . . matched @ tv_talk
. 00000-00001 . spacer for spliced-out tv_talk
31086-31806 . . matched @ tv_talk
. 00000-00014 . spacer for spliced-out hall_search
31807-32558 . . matched @ hall_search
. 00000-00002 . spacer for spliced-out SEN_talk
32559-40000 . . matched @ SEN_talk

16mm frames . . description
29909-41000 . . begin match @ crowd_talk