x^4 - x^3 - 2*x^2 - 3*x + 9
x^4 - x^3 + x + 2
x^4 - x^3 + 3*x^2 + x - 1
x^4 - x^3 - x^2 + 2*x + 4
x^4 - 2*x^3 - 4*x^2 + 5*x - 2
x^4 - x^3 - 12*x^2 + 2*x + 37