How to remove black permanent marker from a sweatshirt...

Ms. M
by Ms. M
So...My Mom has a blanket with all the grandkids names on it and it's made of sweatshirt material (100% cotton.) It has a quarter size circle. I already tried lifting some of it with hairspray and Resolve Stain Lifter and it was washed and unfortunately dried...NOTHING came out... I feel so bad!!! HELP!! Is there anything else I can do? Thank you for any help you can give! :-)
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