[x^4-15*x^2+1, \
x^4-x^3+2*x^2+4*x+3, \
x^4+x^3+54*x^2-56*x+263, \
x^4+2*x^3+6*x^2+5*x+2, \
x^4-2*x^3-18*x^2+19*x+35, \
x^4+x^3-6*x^2-x+1, \
x^4-x^3-57*x^2+x+664, \
x^4-x^3+x^2-2*x+4, \
x^4+17*x^2+17, \
x^4+x^3+28*x^2+152*x+1667, \
x^4-x^3+28*x^2+290*x+1225, \
x^4-x^3-11*x^2+17*x+3, \
x^4-2*x^3+10*x^2-9*x+16]