Please read https://bitcointalk.org/index.php?topic=1802212.0

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Ask a miner for help

Some mining pools and miners offer services to allow you to prioritize your transaction in their mempool so that it is chosen sooner for inclusion in a block. You can contact the users Quickseller and macbook-air. These two users have access to F2Pool's transaction selector and they can help you with confirming your stuck transaction.
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