Given the variable x as your input, multiply it by three and put the result in y.
Duplicate of Problem 2980.
This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Which values occur exactly three times?
First N Perfect Squares
Back to basics 9 - Indexed References
Back to basics 22 - Rotate a matrix
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