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Clarence played a video game with three levels. It took him 2 hours and 30 minutes to beat the first level and 1 hour and 30 minutes to beat the second level. Clarence played the final level for 30 minutes to finish the game. He beat the final level and stopped playing at 6:30 P.M. What time did Clarence start playing the game?

Include A.M. or P.M. in your answer (for example, 11:58 A.M.).