[ x^4 - x^3 - 42*x^2 + 27*x + 259, \ x^4 + 87*x^2 + 400, \ x^4 - x^3 + 48*x^2 + 373*x + 1207, \ x^4 - 2*x^3 + 65*x^2 - 64*x - 4945 ]