[ x^4 + x^2 - x - 2, \ x^4 - x^3 - 15*x^2 - 18*x - 4, \ x^4 - x^3 + 17*x^2 - 10*x + 79, \ x^4 + 15*x^2 + 784, \ x^4 - x^3 + 723*x^2 + 1458*x + 53132 ]