x^4 - x^3 + 9*x^2 + 9*x - 26 x^4 - x^3 - 13*x^2 + 20*x - 28 x^4 + 65*x^2 + 441 x^4 - 2*x^3 - 52*x^2 + 53*x + 1371 x^4 - 107*x^2 - 2675