Massimo
This lock can be opened with 1 lock: no matter which one.
It's a real life example of a brunnian link, a nontrivial link that becomes a set of trivial unlinked circles if any one component is removed
[source: https://t.co/Gl1lDLJh0a]
[read more: https://t.co/ekh708iCHI] https://t.co/eOfbe16akB
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Post #74810
8
Always looking at the sky Photo