A musician recorded 15 songs with an average length of 215 seconds for potential inclusion on his new album. After discussion with the label that would release the album, it was decided that the final version of the album would include 13 songs and have a duration of 48 minutes and 15 seconds. No silence was added between songs. What is the average length, in seconds, of the recorded songs that were EXCLUDED from the final version of the album?


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