The subtitles appear at the top (#srt1) of the screen and also at the bottom (#srt2).
00:00:04,000 --> 00:00:15,400
This is the 1st subtitle 04sec to 15.4sec
Mary had a little lamb,
its fleece was white as snow
and everywhere that Mary went
that lamb was sure to go!

00:00:16,600 --> 00:00:25,800
This is the 2nd subtitle 16.6sec to 25.8sec

00:00:20,600 --> 00:00:23,800
This is the 3rd subtitle 20.6sec to 23.8sec

00:00:24,600 --> 00:00:30,800
This is the 4th subtitle 24.6sec to 30.8sec