[x^4-x^3+2*x^2-9*x+3, \
x^4+x^3-x^2+x+1, \
x^4-6*x^2-5*x-3, \
x^4-x^3+4*x^2+3*x+9, \
x^4-x^3-11*x^2-9*x+3, \
x^4-x^3+2*x^2-2*x+1, \
x^4+x^3+2*x^2-4*x+16]