x^4 - x^3 + 4*x^2 - 20*x + 23 x^4 - x^3 - 4*x^2 - 16*x + 24 x^4 - 2*x^3 + x - 7 x^4 - 3*x^2 + 29 x^4 - x^3 - 13*x^2 + 20*x - 28 x^4 - x^3 - 54*x^2 + 183*x - 325 x^4 + 39*x^2 + 1156 x^4 - 2*x^3 - 100*x^2 + 101*x + 3326 x^4 - x^3 - 779*x^2 + 2329*x + 18815 x^4 - x^3 - 120*x^2 + 448*x + 2112