I just want to know the odds of this hand happening, because well, it did

Party Poker (10 handed) FTR converter on zerodivide.cx

Preflop: Hero is UTG+1 with 6, 6.
5 folds.

Flop: 7, 6, Q (5 players)
Hero checks, MP3 folds, Hero calls 102.50 (All-In), UTG+2 calls 13.90 (All-In), MP2 calls 49.50 (All-In), CO calls 47.75 (All-In).

Turn: 8 (4 players, 4 all-in)

River: 3 (4 players, 4 all-in)

Final Pot:
Main Pot: > Pot won by UTG+2 ().
Pot 2: > Pot won by CO ().
Pot 3: > Pot won by Hero ().
Pot 4:

Results in white below:
Hero has 6s 6h (three of a kind, sixes).
UTG+2 has Qc Qh (three of a kind, queens).
MP2 doesn't show.
CO has 7s 7d (three of a kind, sevens).
Outcome: CO wins . Hero wins . UTG+2 wins .

and for the record MP2 had AA