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Challenges released as part of the First Periodic Premier Programming Puzzle Push, an event encouraging high-quality puzzles and tasks. Do not use this tag for new questions.

The First Periodic Premier Programming Puzzle Push was an event in 2011 that aimed to increase the number of high-quality questions on the site, and increase activity on the site. Questions posted as part of this first Push have their titles beginning with "1P5", and are tagged with this tag ().

The Second Periodic Premier Programming Puzzle Push failed to produce any questions, and the events ended soon after.

This event has been retired. Do not use this tag on new questions.