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Although unlikely, maybe there exists a solution where all black pieces are protected?

Tom Rokicki fascinatingly explains the story behind calculating the maximum number of moves needed to solve Rubik's cube. Video: https://youtu.be/0FAYWovO2Cc

In a Numberphile video [0], Alex Bellos also uses a triangle for 5. [0]: https://www.youtube.com/watch?v=9p55Qgt7Ciw

ab = 37; a+b = 18; 1/a + 1/b = b/ab + a/ab = (a+b)/ab = 18/37

Donald's novel "Surreal Numbers" was written during one week of a long stay in Norway [0]. So, maybe there he got his admiration for traditional Sami clothing. [0]: https://youtu.b…

A "wright of passage", a "craftsperson of passage", someone who facilitates or creates transitions -- like a metaphorical bridge-builder