[ x^4 - x^3 + 13*x^2 - 19*x + 361, \ x^4 - 45*x^2 + 784, \ x^4 - 2*x^3 - 4*x^2 - 83*x - 145, \ x^4 - x^3 - 290*x^2 + 284*x + 17329 ]