Main video: https://youtu.be/Kdsj84UdeYg
Go another level deeper with the reaction to the reaction: https://youtu.be/tD2q2-_5Tyc
Matt Parker is Standupmaths: https://www.youtube.com/@standupmaths
Tony Várilly-Alvarado: https://math.rice.edu/~av15/
The Parker Square: https://youtu.be/aOT_bG-vWyg
Finite Fields & Return of The Parker Square: https://youtu.be/FCczHiXPVcA
A Special Magic Square: https://youtu.be/aTSYARnB-3Y
Magic Square Party Trick: https://youtu.be/aQxCnmhqZko
Parker Square Tee: https://numberphile.creator-spring.com/listing/the-parker-square
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