How did the ‘impossible’ Perfect Bridge Deal happen?

From Standup Mathematician.

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This was my previous video about Dream and Minecraft.
"How lucky is too lucky?: The Minecraft Speedrunning Dream Controversy Explained"
https://www.youtube.com/watch?v=8Ko3TdPy0TU

Yep, I did try to do 52 perfect shuffles in a row, live. With, I would say, some success.
This is the Patreon post with details: https://www.patreon.com/posts/50353681
You can now watch it here: https://youtu.be/mx5vJkRI9VY

Check out Tori Noquez’s great videos.
"The Mathematics of 8 Perfect Faro Shuffles"
https://www.youtube.com/watch?v=MtBzp_-h0oQ

This is Peter Rowlett’s Aperiodical article "Four perfect hands: An event never seen before (right?)"
https://aperiodical.com/2011/12/four-perfect-hands-an-event-never-seen-before-right/

Plus Jason Davison did a Numberphile about perfect shuffles and magic.
https://www.youtube.com/watch?v=Y2lXsxmBx7E

This is how I actually did the calculation. https://www.wolframalpha.com/input/?i=%2812%21%5E4+39+26+13%29%2F51%21

CORRECTIONS
– The first upload of this video had some serious audio issues. Sorry! It broke when the video was render and because it was only in the middle I didn’t spot it once it had uploaded.
– At 07:45 I imply that you might start dealing from the bottom of the deck (obviously I would never dream of such a thing). But the structure is the same as dealing from the top. It was just easier to see from the ‘bottom’ of the face-up cards.
– 14:01I am inconsistent with "second card in" and "first card in". In both cases I mean the second card along. Which is the first card ‘in’.
– Let me know if you spot any mistakes in this version!

Thanks to my Patreon supporters who I used to justify spending several weeks learning how to do a faro shuffle. I’m meant to be writing a new book you know. So, thanks a lot.

https://www.patreon.com/standupmaths

Filming by Matt Parker
Editing by Alex Genn-Bash
Graphics by Sam Hartburn and Matt Parker
Music by Howard Carter
Design by Simon Wright and Adam Robinson

MATT PARKER: Stand-up Mathematician
Website: http://standupmaths.com/
US book: https://www.penguinrandomhouse.com/books/610964/humble-pi-by-matt-parker/
UK book: https://mathsgear.co.uk/collections/books/products/humble-pi-signed-paperback