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SELECT id, name FROM ( SELECT Hackers.hacker_id AS id, Hackers.name AS name, COUNT(Difficulty.score) AS full_score_count FROM Hackers JOIN Submissions ON Hackers.hacker_id = Submissions.hacker_id JOIN Challenges ON Submissions.challenge_id = Challenges.challenge_id JOIN Difficulty ON Challenges.difficulty_level = Difficulty.difficulty_level WHERE Submissions.score = Difficulty.score GROUP BY Hackers.hacker_id, Hackers.name ) AS hacker_full_score_count WHERE full_score_count > 1 ORDER BY full_score_count DESC, id;
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