Heck of a coincidence...
The NSA tweeted that today is#nationalpuzzleday2021.
The tweets included a puzzle within a puzzle.
Q drop#2978 includes, 'A puzzle within a puzzle' and 'NSA humor.
Note the final answer = CYBER
Believer/Christian APL 99.993 I've seen war 1st hand + more child suffering than most.
In response Cowboy w2b to his Publication
okay - as it was in math class..
How does 00011 = C?
11001 = Y?
and so on.