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Positions of cards while shuffling (in a standard deck of 52 cards)

https://www.deviantart.com/world-x-movement/art/Riffle-Shuffle-Demonstration-by-Memmo-495061917 Creative Commons Attribution-Share Alike 3.0 License

https://www.deviantart.com/world-x-movement/art/Riffle-Shuffle-Demonstration-by-Memmo-495061917 Creative Commons Attribution-Share Alike 3.0 License