x^4 - x^3 + x^2 - x + 1 x^4 - x^3 + 2*x^2 + 4*x + 3 x^4 - x^3 - 3*x + 4 x^4 - 9*x^2 + 4 x^4 - x^3 + 16*x^2 - 16*x + 61 x^4 - x^3 + 15*x^2 + 17*x + 29 x^4 - x^3 - 24*x^2 + 4*x + 16 x^4 - x^3 - 24*x^2 + 69*x - 49