x^4 - x^3 + x^2 - x + 1 x^4 - x^3 + 6*x^2 - 6*x + 1 x^4 + 49*x^2 + 729 x^4 - x^3 - 129*x^2 + 129*x + 3251 x^4 - 2*x^3 - 50*x^2 - 155*x - 148 x^4 - x^3 - 64*x^2 + 354*x - 859