x^6 - x^5 + x^4 - x^3 + x^2 - x + 1 x^6 - x^5 + 4*x^4 - 3*x^3 + 29*x^2 - 4*x + 71 x^6 - x^5 - 20*x^4 + 20*x^3 + 106*x^2 - 106*x - 83