https://learn.microsoft.com/ko-kr/dotnet/api/system.linq.enumerable.orderbydescending?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-10.0
Enumerable.OrderByDescending Method (System.Linq) | Microsoft Learn
Sorts the elements of a sequence in descending order.
enumerablemethodsystemlinqmicrosoft