Track / Stage 4 / 72 of 340 #332 of 2000

3. (BEL 3) Is it possible to partition 3-dimensional Euclidean space into 1979 mutually isometric subsets?

This one wants a proof. Work it on paper, read the official solution, then mark yourself honestly — the ladder only means something if the record is true.

I solved it I didn't Skip

Official solution

None

Source: NuminaMath-1.5, licensed Apache-2.0. Statement and solution reproduced as published; topic, difficulty and ordering added by this site.