Tourney Ending I

Alice and Bob play in a tennis tournament such that the winner of each round receives 11 point, while the loser loses 11 point. The tournament ends as soon as one of the players reaches 22 points or 2n2n games have been played, whichever comes first. Alice has probability 0<p<10 < p < 1 of winning each round. Find the expected number of games played in the tournament when n=4n = 4 and p=1/3p = 1/3 .

Answer format: round to 2 decimal places.