x^4 - x^3 + 7*x^2 + 43*x + 47 x^4 - x^3 - 8*x^2 + 24*x - 7 x^4 - 2*x^3 - 2*x^2 + 3*x + 29 x^4 - x^3 - 13*x^2 + 20*x - 28 x^4 - x^3 - 99*x^2 + 414*x - 748 x^4 + 27*x^2 + 1600 x^4 - 2*x^3 - 184*x^2 + 185*x + 9974 x^4 - x^3 - 1424*x^2 - 4250*x + 34391