hello, faggots im in trouble. I deleted all my god-tier porn

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hello, faggots
im in trouble.
I deleted all my god-tier porn pics because ragret of lifestyle.
tldr, im still a lowlife, and I've since recovered the deleted pics.
thing is, it (photorec) didn't just recover the porn pics, it also included other pics and undeleted pics into the reovery
so now, I have 50k pics, which have the porn ones among them
I remember my god-tier pics to be around 700 in amount.

50k by hand is a lot, so I thot I could use filesizes and the pics that were included in the recovery but not deleted in the hdd so I can filter them from the recovered pics

but since I'm a fizzbuzz monkey, I don't know how to deal with this magnitude of pics
I want it to be as efficient as possible.
So please help me, whats the most efficient way of filtering the unwanted pics

The most obvious solution to me is to take all the undeleted pics form the hdd (33367 in total), and then for each, compare filesizes against the 50k, any that match obviously get moved somehweer)
but as u can see 33367 * 50k^2 is a very big number
pls halp

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