x_1, x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, 
x_5
x_7
x_9
-8316*x_1^4+5*x_10
2159*x_1^2+25*x_3
-8316*x_1^4+x_6
33264*x_1^4+5*x_8
10952*x_1^5+5*x_1*x_4+5*x_2
