[x^4-40, \
x^4-10, \
x^4-5, \
x^4-20, \
x^4-2, \
x^4-50, \
x^4-4*x^2-4*x-3, \
x^4-4*x^2+16*x-18, \
x^4+4*x^2-8*x+2, \
x^4-x^2-1, \
x^4-2*x^2-1, \
x^4+2*x^2-4, \
x^4+10*x^2-25, \
x^4-2*x^2-9, \
x^4+6*x^2-1, \
x^4+1, \
x^4+3*x^2+1, \
x^4+6*x^2+4, \
x^4-6*x^2+4, \
x^4+25, \
x^4-4*x^2+9, \
x^4+4*x^2+9, \
x^4+4*x^2+2, \
x^4-4*x^2+2, \
x^4-20*x^2+50, \
x^4+20*x^2+50, \
x^4-2*x^2+2, \
x^4+2, \
x^4+10*x^2+50, \
x^4+50, \
x^4-x^3+x^2-x+1, \
x^4-5*x^2+5, \
x^4-10*x^2+20, \
x^4+10*x^2+20, \
x^4+2*x^3+4*x^2+2*x+1, \
x^4-4*x^2+5, \
x^4-2*x^3+4*x^2+2*x+1, \
x^4+5, \
x^4-20*x^2+10, \
x^4-20*x^2+90, \
x^4+20*x^2+10, \
x^4+20*x^2+90, \
x^4+6*x^2+10, \
x^4+2*x^2+10, \
x^4+10, \
x^4+40]