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.
Back to basics 15 - Benchmark
Given a matrix, return the last eigen value
Flip the bit
Back to Basics - Find no. of elements in a matrix?
interesting center of magic matrix
index of n^2 in magic(n)
execute the declaration in strings and return value
Find the index of n in magic(n)
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