Even though this problem is simple, it would be helpful to expand the test suite to prevent gaming the system.
This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Back to basics 22 - Rotate a matrix
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Concatenate two strings
Back to Basics - Find no. of elements in a matrix?
Remove and Sort
Skip by a multiple
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