[ x^4 - x^3 - 3*x^2 + 4*x + 16, \ x^4 - 2*x^3 - 10*x^2 + 11*x - 4, \ x^4 - x^3 - 51*x^2 + 214*x - 236, \ x^4 - 59*x^2 + 1521, \ x^4 - x^3 - 51*x^2 - 334*x - 784, \ x^4 - 2*x^3 - 67*x^2 + 68*x + 3759, \ x^4 - x^3 + 634*x^2 - 3896*x + 18944 ]