[ x^4 + 1, \
x^4 - x^3 + x + 1, \
x^4 - 2*x^3 + x^2 + 2*x - 1, \
x^4 + 2*x^2 + 2, \
x^4 - 3*x^2 + 4, \
x^4 + 2*x^2 - 1, \
x^4 - x^3 + 3*x^2 - 4*x + 2, \
x^4 - x^2 + 2, \
x^4 - 2*x^2 - 4*x - 2, \
x^4 + 4*x^2 + 2, \
x^4 - 2, \
x^4 - 4*x^2 + 2, \
x^4 + 2, \
x^4 - x^3 + 3*x^2 + 3*x + 2, \
x^4 - 2*x^3 + 9*x^2 - 8*x + 2, \
x^4 + 6*x^2 + 16, \
x^4 - 2*x^3 + 2*x^2 + 2, \
x^4 - 2*x^3 + 5*x^2 - 4*x - 3, \
x^4 - 6*x^2 + 7, \
x^4 + 6*x^2 + 7, \
x^4 + 7*x^2 + 14, \
x^4 + 49, \
x^4 - 8*x^2 + 9, \
x^4 + 8*x^2 + 9, \
x^4 - 4*x^2 - 14, \
x^4 - 8*x^2 + 14, \
x^4 + 4*x^2 - 14, \
x^4 + 8*x^2 + 14, \
x^4 + 28, \
x^4 - 2*x^3 + 5*x^2 - 4*x - 10, \
x^4 + 6*x^2 + 2, \
x^4 - 6*x^2 + 2, \
x^4 + 14*x^2 + 98, \
x^4 + 14*x^2 - 49, \
x^4 - 14*x^2 - 28*x - 14, \
x^4 - 7, \
x^4 + 4*x^2 + 18, \
x^4 - 98, \
x^4 + 8*x^2 + 2, \
x^4 - 28*x^2 + 98, \
x^4 + 28*x^2 + 98, \
x^4 - 8*x^2 + 2, \
x^4 - 4*x^2 + 18, \
x^4 + 98, \
x^4 - 14*x^2 - 14, \
x^4 + 14*x^2 - 14, \
x^4 + 14*x^2 + 63, \
x^4 - 14*x^2 + 63, \
x^4 - 14, \
x^4 - 56, \
x^4 + 56, \
x^4 + 14 ]