 get $$\begin{aligned} &&\left\langle \gamma \left( Y_{-},Y_{-}^{\bot }\right) \left( g_{+},Z_{+}^{\bot }\right) ^{-0}\otimes \gamma \left( Z_{-},Z_{-}^{\bot }\right) \left( g_{+},X_{+}^{\bot }\right) ^{-0},\pi _{+}\left( g_{+},X_{+}^{\bot }\right) \right\rangle \\ &=&