[x^6+3*x^4+x^3+9*x^2-3*x+1, \
x^6-6*x^4-x^3+9*x^2+3*x-5, \
x^6+3*x^5+3*x^4-9*x^3-18*x^2+9*x+18, \
x^6+3*x^5+6*x^4-17*x^3-57*x^2-69*x-47]