1
00:00:01,000 --> 00:00:02,000

2
00:00:01,500 --> 00:00:01,200
This cue ends before it starts.

2
00:00:01,600 --> 00:00:02,100
This deliberately long subtitle line is too fast to read in the available time.

4
00:00:bad --> 00:00:04,000
Invalid timecode example.