[ x^6 - x^5 - 5*x^4 + 4*x^3 + 6*x^2 - 3*x - 1, \ x^6 - x^5 - 12*x^4 + 13*x^3 + 19*x^2 - 10*x - 5, \ x^6 - x^5 - 18*x^4 + 17*x^3 + 58*x^2 - 16*x - 1 ]