x_1, x_2, x_3, 
-x_1*x_2^3*x_3+x_1*x_2^3+3*x_1*x_2^2*x_3-120*x_1*x_3^3-2*x_1*x_2*x_3+360*x_1*x_3^2+120*x_3^3-x_1*x_2-360*x_1*x_3-360*x_3^2+120*x_1+360*x_3-120
x_1*x_3^6-6*x_1*x_3^5-x_3^6+15*x_1*x_3^4+6*x_3^5-20*x_1*x_3^3-15*x_3^4+15*x_1*x_3^2+20*x_3^3-7*x_1*x_3-15*x_3^2+2*x_1+6*x_3-2
-6*x_1*x_3^5+30*x_1*x_3^4+6*x_3^5-60*x_1*x_3^3-30*x_3^4-x_1*x_2*x_3+60*x_1*x_3^2+60*x_3^3+x_1*x_2-30*x_1*x_3-60*x_3^2+7*x_1+30*x_3-6
30*x_1*x_3^4-x_1*x_2^2*x_3-120*x_1*x_3^3-30*x_3^4+x_1*x_2^2+x_1*x_2*x_3+180*x_1*x_3^2+120*x_3^3+x_1*x_2-120*x_1*x_3-180*x_3^2+30*x_1+120*x_3-30
