Please add more cases to the test suite, or else it is trivial to solve this problem.
Rafael is right and since you made this into a badge problem it is even more essential to fix this
Increment a number, given its digits
First N Perfect Squares
Convert a vector into a number
Basics: 'Find the eigenvalues of given matrix
Return area of square
Find Logic 26
Find Logic 19
Find Logic 10
Find Logic 12
Find Logic 28
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