Subtitle preview:
[Script Info]
; Script generated by Aegisub 3.2.2
; http://www.aegisub.org/
Title: Default Aegisub file
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PlayResY: 720
[Aegisub Project Garbage]
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Video File: ../../../Desktop/Vikings.S04E20.720p.HDTV.x264-SVA.mkv.mp4
Video AR Mode: 4
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