[ x^5 - x^4 - 4*x^3 + 3*x^2 + 3*x - 1, \ x^5 + 2*x^3 - 4*x^2 - x - 4, \ x^5 - x^4 - 4*x^3 - 8*x^2 + 3*x - 23, \ x^5 - 2*x^4 - 8*x^2 + 2*x - 4, \ x^5 - 6*x^3 - 4*x^2 - x - 4 ]