x^4 - x^3 + x^2 - x + 1 x^4 - x^3 + 3*x^2 - 2*x + 4 x^4 - 2*x^3 - 6*x^2 + 7*x + 11 x^4 - 2*x^3 + 8*x^2 - 7*x + 2 x^4 - 23*x^2 + 81 x^4 - x^3 - 15*x^2 - 18*x - 4 x^4 - x^3 + 51*x^2 - 51*x + 551 x^4 - 15*x^2 + 5 x^4 - 2*x^3 + 22*x^2 - 21*x + 18 x^4 - x^3 - 15*x^2 - 18*x + 324 x^4 - x^3 - 56*x^2 - 100*x + 160 x^4 - x^3 + 26*x^2 + 64*x + 1431 x^4 - x^3 + 26*x^2 - 346*x + 1021