The sorted coefficients in your example should be [1; 4; 3; -2].
The test suite is also comparing against an incorrect result in the last problem.
Finding Perfect Squares
Read a Soroban Abacus
Project Euler: Problem 2, Sum of even Fibonacci
Create a square matrix of multiples
Are all the three given point in the same line?
Negation the hard way
Multivariate polynomials - emulate symbolic form
Product of two multivariate polynomials
Fangs of a vampire number
Outer product of multiple vectors
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