x^4 - x^3 + x^2 - 10*x + 12 x^4 - 2*x^3 + x - 34 x^4 - 63*x^2 + 1369 x^4 - x^3 - 51*x^2 + 214*x - 236 x^4 - x^3 - 51*x^2 - 471*x - 1606 x^4 - 2*x^3 - 67*x^2 + 68*x + 7184 x^4 - x^3 + 360*x^2 - 2252*x + 7984