x_1, x_2, x_3, 
-81*x_1^2*x_3^2+594*x_1^2*x_3+594*x_1*x_3^2-225*x_1^2-3492*x_1*x_3-225*x_3^2-750*x_1-750*x_3+14575
-81*x_1^2*x_2^2+594*x_1^2*x_2+594*x_1*x_2^2-225*x_1^2-3492*x_1*x_2-225*x_2^2-750*x_1-750*x_2+14575
-81*x_2^2*x_3^2+594*x_2^2*x_3+594*x_2*x_3^2-225*x_2^2-3492*x_2*x_3-225*x_3^2-750*x_2-750*x_3+14575
81*x_1^2*x_2^2*x_3+81*x_1^2*x_2*x_3^2+81*x_1*x_2^2*x_3^2-594*x_1^2*x_2*x_3-594*x_1*x_2^2*x_3-594*x_1*x_2*x_3^2-225*x_1^2*x_2-225*x_1^2*x_3-225*x_1*x_2^2+2592*x_1*x_2*x_3-225*x_1*x_3^2-225*x_2^2*x_3-225*x_2*x_3^2+1650*x_1^2+2550*x_1*x_2+2550*x_1*x_3+1650*x_2^2+2550*x_2*x_3+1650*x_3^2-3575*x_1-3575*x_2-3575*x_3-30250
