x^9 - x^7 - 2*x^6 + 3*x^5 + x^4 + 2*x^3 - x^2 + x - 3 x^9 - 3*x^8 + 4*x^7 - 10*x^6 + 5*x^5 + 19*x^4 - 49*x^3 + 131*x^2 - 153*x + 47