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.
The Tower of Hanoi
Eight Queens Solution Checker
letter yes yes & letter no no
Find number of days
Fangs of a vampire number
Product of two multivariate polynomials
Multivariate polynomials - overload multiplication
Multivariate polynomials - emulate symbolic form
Multivariate polynomials - convert monomial form to array
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