[ x^4 - 2*x^3 - 8*x^2 - 67*x - 13, \ x^4 - x^3 - 36*x^2 - 91*x - 61, \ x^4 - 2*x^3 - 15*x^2 - 3*x + 7, \ x^4 - 39*x^2 + 841, \ x^4 - x^3 + 449*x^2 + 1849*x + 11094 ]