Data:L11n196/Multivariable Alexander

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-\frac{u^2 v^3-3 u^2 v^2+4 u^2 v-u^2+u v^4-4 u v^3+7 u v^2-4 u v+u-v^4+4 v^3-3 v^2+v}{u v^2}