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There are six teams A, B, C, D, E, F games, the matches have finished games are: A with B, C, B and D, F, E and C, F. Each team one game per week. Given a test scheduling method, making all the teams in the shortest time between the completion of competition. Also need to require users to enter the competition screenings, such as ab cd ..., the procedure will be the same week shows a breakdown of the game.