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I think there is zero chances someone would intentionally pick exactly this address posted from LDL, especially since he doesn't have any reputation in forum like he claims and he exchanged merits with topman21.
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If to look through
all posts (including deleted) of this user we can see that first post was made on the 20th of Feb 2018 in Indonesian. Then account was inactive for four years until Pumpkin contest on the 19th Oct 2022. There were two deleted posts in Italian that day. And starting from the 8th of Jan of 2023 he started talking in Bengali. Okay, may be we have a polyglot here, but why to delete posts in other languages then?