AA dealt 4 times in 3 hands

[chipshuffle]

I'm not sure how to calculate it so here it is.
I was playing in a $50 buy in home tourney when this happened. Down to 2 tables with 8 at my table. Players A and B go to showdown and split the pot, each with AA. Next hand goes to showdown with me and player A (same player as in first hand) who shows AA again (takes down pot). Next hand player A (same player again!) raises preflop and everyone folds. After several comments about how he probably has AA again he shows his third consecutive pocket aces!
What are the odds?!?!?!
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