Notation expert explain this notation

• Aug 12, 2024 - 16:17

Screenshot 2024-08-12 at 8.06.03 AM.png

What are the parallel lines over the double thirds wanting me to do?
Edit:
I found another example with recommend fingering. Could it be directing me to continue with the same fingering as the previous notes?
Screenshot 2024-08-12 at 8.32.05 AM.png

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