how to grep and print the next N lines after the hit?

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Track title: Book End

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Chapters
00:00 Question
00:22 Accepted answer (Score 69)
01:17 Answer 2 (Score 15)
02:22 Answer 3 (Score 8)
02:40 Answer 4 (Score 5)
02:55 Thank you

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Full question
https://superuser.com/questions/298123/h...

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Tags
#grep #bashscripting

#avk47