x_1, x_2, x_3, x_4, x_5, 
-80*x_4
45*x_4
-45*x_1*x_2
135*x_1*x_2
160*x_1*x_2
-45*x_1*x_3
135*x_1*x_3
160*x_1*x_3
-135*x_1*x_4
-80*x_1*x_4
-54*x_1*x_4
-9*x_1*(x_1*x_5+6*x_2)
40*x_1*(x_1*x_5-2*x_2)
-27*x_1*(4*x_1*x_5-11*x_2)
-45*x_1^2*x_2
-40*x_1^2*x_2
135*x_1^2*x_2
-45*x_1^2*x_3
-40*x_1^2*x_3
135*x_1^2*x_3
-108*x_1^2*x_4
-27*x_1^2*x_4
-9*x_1^2*x_4
40*x_1^2*x_4
9*x_1^2*(x_1*x_5-9*x_2)
-45*x_1^3*x_2
-45*x_1^3*x_3
9*x_1^3*x_4
36*x_1^3*x_4
9*x_1^3*(x_1*x_5-4*x_2)
-9*x_1^4*x_2
9*x_1^4*x_4
-9*x_3*x_1^4
-80*x_1*x_5+160*x_2
