x^6 - x^5 + 2*x^4 + 8*x^3 - x^2 - 5*x + 7 x^6 - x^5 - 16*x^4 + x^3 + 47*x^2 + 10*x - 11 x^6 - x^5 + 21*x^4 + 27*x^3 + 37*x^2 + 33*x + 121