First response indents?? False faint bfp?

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Has anyone ever had a problem with first response indent lines looking like false faint positives? I had a test tweaked by some of you earlier today, everyone said it was an indent line. I have never had any issues with first response. I've used that brand for 3 pregnancies. This is my THIRD test today (I'm impatient). Could I have indent lines on all 3 tests???