[ x^4 - x^3 + 5*x^2 - 7*x + 49, \ x^4 - 2*x^3 - 19*x^2 + 19*x + 19, \ x^4 - 9*x^2 + 196, \ x^4 - x^3 + 16*x^2 + 43*x + 36, \ x^4 - x^3 - 180*x^2 + 178*x + 7079 ]