[ x^4 - x^3 - x^2 + 3*x + 9, \ x^4 - 2*x^3 - 6*x^2 + 7*x - 3, \ x^4 - x^3 + 8*x^2 - 42*x + 117, \ x^4 - 21*x^2 + 400, \ x^4 - x^3 - 53*x^2 - 164*x - 188, \ x^4 - x^3 - 21*x^2 - 291*x - 1123, \ x^4 - 2*x^3 - 90*x^2 + 91*x + 2360, \ x^4 - x^3 - 297*x^2 + 873*x + 11097 ]