[ x^4 - 2*x^3 + x + 2, \ x^4 - 3*x^2 - 7, \ x^4 - x^3 + 5*x^2 - 7*x + 49, \ x^4 - 15*x^2 + 121, \ x^4 - x^3 + 5*x^2 - 81*x - 99, \ x^4 - x^3 - 69*x^2 + 67*x + 863, \ x^4 - x^3 + 42*x^2 - 118*x + 197 ]