Inspired by Ben Franks' Input/Output Problem #1 and the others in the series
Hint: Knowledge required is
a pop culture reference going back almost 50 years, but still fairly well-known
Asked
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$\begingroup$ Are the connecting symbols being used from any kind of standard? $\endgroup$ – feelinferrety Nov 19 '18 at 23:47
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$\begingroup$ @feelinferrety no, not that I am aware of. $\endgroup$ – deep thought Nov 23 '18 at 22:20
