I have this variable: 

List<Points> pointsOfList;

it's contain unsorted points( (x,y) - coordinates);

My question how can I sort the points in list by X descending.

for example:

I have this: (9,3)(4,2)(1,1)

I want to get this result: (1,1)(4,2)(9,3)

Thank you in advance.

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