Columns to Rows in FME2019

I know this has been asked many times, but i cannot get it to work.

My data is:

And i want to turn it into

I've tried to do the method i've read on the forums using attributecreator, however, its not creating multiple columns based on the column names.

ie, in AttributeCreator:

NewAttribute: @Value(Category)

AttributeValue: @Value(Num)

doesnt do anything.

I am using FME 2019.