Data:L10a121/Multivariable Alexander

$\frac{u^4 \left(-v^2\right)-3 u^3 v^3+5 u^3 v^2-3 u^3 v-u^2 v^4+5 u^2 v^3-9 u^2 v^2+5 u^2 v-u^2-3 u v^3+5 u v^2-3 u v-v^2}{u^2 v^2}$