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select s.Name
from students s
inner join Friends f on s.ID=f.ID
inner join Packages sp on s.ID=sp.ID
inner join Packages fp on f.Friend_ID=fp.ID
where fp.salary>sp.salary
order by fp.salary
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select s.Name from students s inner join Friends f on s.ID=f.ID inner join Packages sp on s.ID=sp.ID inner join Packages fp on f.Friend_ID=fp.ID where fp.salary>sp.salary order by fp.salary