[ x^4 - x^3 - 33*x^2 - 39*x + 8, \ x^4 + 19*x^2 + 2916, \ x^4 - x^3 + 41*x^2 - 76*x + 80, \ x^4 - x^3 + 2815*x^2 + 5657*x + 1449640 ]