x^6 - x^5 + 7*x^4 - 63*x^3 - 81*x^2 + 353*x + 541 x^6 - x^5 - 44*x^4 + 129*x^3 + 659*x^2 - 3670*x + 5393 x^6 - x^5 - 230*x^4 + 648*x^3 + 2763*x^2 - 4387*x + 67