[ x^4 - x^3 - 13*x^2 + 20*x - 28, \ x^4 - x^3 - 28*x^2 + 96*x - 85, \ x^4 + 119*x^2 + 36, \ x^4 - x^3 - 16*x^2 + 1007*x + 7969, \ x^4 - x^3 - 120*x^2 - 1692*x + 17413, \ x^4 - 2*x^3 - 64*x^2 + 65*x - 30482 ]