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Top 10 most difficult in DB

IdnrStarting numbersDifficulty
9516160 (Very easy)
9515160 (Easy)
9514180 (Easy)
9513160 (Easy)
9512180 (Super easy)
9511160 (Easy)
9510180 (Very easy)
9509180 (Super easy)
9508200 (Super easy)
9507160 (Very easy)