[ x^4 - x^3 - 9*x^2 + 2*x + 11, \ x^4 - 33*x^2 + 400, \ x^4 - x^3 - 27*x^2 + 41*x + 2, \ x^4 - x^3 + 119*x^2 - 251*x + 4236 ]