In each of these photos one can see two natural solutions of a cuboctahedron (2) puzzle. They are taken in such a way that one can see they are symmetric by a reflection (here colours do not matter, only numbers matter). The "mirror" is in the middle of the photo.
correspondências
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(*Reinaldo Ferreira (Repórter X) a Ferreira de Castro*) *«Lisboa *10 de
Fevereiro de 1926. // Meu Caro Ferreira de Castro // Já sabes o que certa
bela ca...
1 day ago
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