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all the best in 2019 is the most popular phrase on the web. 

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• the best in us or the best of us?
• in the literature or in literature?
• all is good in the pig or everything is good in the pig?
• in the best interest or it's in the best interest?
• all the best for your future or all the best in your future?
• all best in 2018 or all the best in 2018?