[ x^4 - x^3 - 42*x^2 + 120*x - 64, \ x^4 - 33*x^2 + 1600, \ x^4 - x^3 - 268*x^2 - 1575*x + 162, \ x^4 - x^3 + 1314*x^2 - 5304*x + 260288 ]