I think the description and test suite on this problem is slightly off. When I see 'union' I already assume that no duplicates are permitted and order is irrelevant.
Remove all the consonants
Calculate the area of a triangle between three points
The Answer to Life, the Universe, and Everything
02 - Vector Variables 2
Is this triangle right-angled?
interesting center of magic matrix
Sum of odd numbers in a matrix
Find the index of n in magic(n)
execute the declaration in strings and return value
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