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15 sats \ 0 replies \ @south_korea_ln OP 9h \ parent \ on: What does the painting on the wall in this picture represent? science
I've paid you the bounty. You were very close.
The specifics of this packing: it is the most compact (known) way to fit 17 squares into a larger square.
You can read more about it here. There are many more visually surprising cases in there, too. The above case corresponds to Fig. 12 if I recall well.
EDIT: the picture above was screenshot from this website.