[ x^4 + 1, \ x^4 + 2*x^2 + 2, \ x^4 - 2*x^3 - 2*x + 5, \ x^4 + 2*x^2 - 1, \ x^4 + 4*x^2 + 2, \ x^4 + 2, \ x^4 - 2, \ x^4 - 4*x^2 + 2, \ x^4 - x^3 + 2*x^2 + 4*x + 3, \ x^4 + 7*x^2 + 9, \ x^4 + 3*x^2 - 1, \ x^4 + 4*x^2 + 13, \ x^4 + 10*x^2 + 26, \ x^4 - 4*x + 1, \ x^4 + 2*x^2 + 26, \ x^4 - 2*x^3 - 9*x^2 + 10*x - 1, \ x^4 + 6*x^2 - 4, \ x^4 - 2*x^3 - x^2 + 2*x + 27, \ x^4 - 2*x^2 - 8*x + 4, \ x^4 - 2*x^3 + 2*x^2 + 4*x + 2, \ x^4 - 4*x^2 - 8*x - 6, \ x^4 - 8*x^2 - 8*x + 2, \ x^4 - 13*x^2 + 13, \ x^4 - 13, \ x^4 + 12*x^2 + 49, \ x^4 + 169, \ x^4 - 12*x^2 + 49, \ x^4 - 2*x^3 + 8*x^2 + 6*x - 17, \ x^4 + 26*x^2 + 338, \ x^4 - 2*x^3 + 8*x^2 + 6*x + 9, \ x^4 + 26*x^2 + 52, \ x^4 - 26*x^2 + 52, \ x^4 - 52, \ x^4 + 2*x^2 - 25, \ x^4 + 26*x^2 - 169, \ x^4 - 6*x^2 - 8*x + 23, \ x^4 - 2*x^2 - 8*x - 9, \ x^4 + 10*x^2 - 1, \ x^4 + 338, \ x^4 - 338, \ x^4 - 52*x^2 + 338, \ x^4 + 52*x^2 + 338, \ x^4 + 13, \ x^4 - 52*x - 143, \ x^4 - 104*x - 78, \ x^4 - 52*x^2 + 26, \ x^4 - 52*x^2 + 650, \ x^4 + 52*x^2 + 26, \ x^4 - 26, \ x^4 + 52*x^2 + 650, \ x^4 - 104, \ x^4 - 52*x^2 - 104*x + 234, \ x^4 + 104, \ x^4 + 26 ]