x^4 - x^3 - x^2 + 8*x + 5 x^4 - x^3 - 7*x^2 + 11*x + 3 x^4 - 2*x^3 - 10*x^2 + 11*x + 82 x^4 + 41*x^2 + 81 x^4 - x^3 + 9*x^2 - 174*x - 935 x^4 - 23*x^2 - 207 x^4 - x^3 - 37*x^2 - 151*x - 268