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.
Roll the Dice!
Make one big string out of two smaller strings
Is this triangle right-angled?
Square the input
MATLAB Basic: rounding II
execute the declaration in strings and return value
index of n^2 in magic(n)
Sum of odd numbers in a matrix
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