Elsa's hockey team just made the playoffs along with two other teams. They make the playoffs by having the top three highest points for their records. Teams get 2 points for a win, 1 point for a tie, and zero points for a loss. The first-place team has 12 wins and 4 ties. The second-place team has 13 wins and 1 tie. Elsa's team has 8 wins and 10 ties. What is the average number of points for the playoff teams?
Please reason step by step, and put your final answer within \boxed{}.
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