x^4 - 2*x^3 + 3*x^2 + x - 1 x^4 - x^3 + 5*x^2 - 7*x + 49 x^4 - x^3 - 7*x^2 + 11*x + 3 x^4 + 11*x^2 + 576 x^4 - x^3 - 7*x^2 + 70*x + 121 x^4 - x^3 - 7*x^2 - 166*x - 233 x^4 - x^3 - 550*x^2 + 548*x + 71089