[ x^4 - x^3 - 2*x - 1, \ x^4 - x^3 + 11*x^2 + 10*x + 100, \ x^4 - x^3 - 15*x^2 - 18*x - 4, \ x^4 - x^3 + 9*x^2 + 9*x - 9, \ x^4 - x^3 - 18*x^2 - 44*x - 16, \ x^4 - x^3 + 26*x^2 + 64*x + 160, \ x^4 - x^3 - 15*x^2 + 23*x + 37, \ x^4 - x^3 - 15*x^2 - 18*x - 168 ]