Really fun problem, but the test case is totally wrong. :-(
glad you liked the problem, but the test case is correct just obfuscated.
Which values occur exactly three times?
Back to basics 2 - Function Path
Specific Element Count
Beginner's Problem - Squaring
Is this number Munchhausen Narcissistic?
Create numeric palindromes and their square roots
is the number happy?
Convert a Cell Array into an Array
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