x^4 - x^3 - 17*x^2 + 26*x + 120 x^4 + 135*x^2 + 4 x^4 - 2*x^3 + 65*x^2 + 67*x + 1155 x^4 - 2*x^3 + 71*x^2 - 70*x + 28469 x^4 + 139*x^2 - 108976