[ x^4 + 33*x^2 + 169, \ x^4 - x^3 - 7*x^2 + 11*x + 3, \ x^4 - 2*x^3 - 28*x^2 + 29*x + 225, \ x^4 - 2*x^3 - 28*x^2 - 89*x + 48, \ x^4 - 59*x^2 - 59 ]