He is a big big cheater who tries to get away from plagiarism by converting code to python . After his main account 1_2_3_4_5_9 got caught he stopped giving contest from that account and started with 10_11_12. He has now reached Candidate Master in both of his accounts . He has another account by the username 14_15_16.
Both he and amber_100 does cheating together .
Proof :-
Please MikeMirzayanov take some action against them