You have some amazing numbers there, so I have to say I'm a bit dumbfounded myself. And without seeing your actual recs and essays and chatting with you, it's hard for me to say what went wrong... cause from the looks of things here, I would say you were a sure bet.
My three possible thoughts are:
1. Maybe you set your sights too low?
2. Maybe your application was weak?
3. Maybe you messed up your interview?
(or perhaps some sort of combination of the above)
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