[ x^4 - x^3 + 4*x^2 - 20*x + 23, \ x^4 - x^3 - 27*x^2 + 41*x + 2, \ x^4 - 51*x^2 + 121, \ x^4 - x^3 + 526*x^2 - 1586*x + 10985, \ x^4 - x^3 - 538*x^2 + 1063*x + 58767, \ x^4 - x^3 + 265*x^2 + 8071*x + 123737, \ x^4 - x^3 + 265*x^2 - 397*x + 157609 ]