{{\mathbb E}}( \mathbbm{0}_{D^0} P_{U^{u,\varepsilon}(\tau_\varepsilon^0,\cdot)} ( U^\varepsilon(\tau_\varepsilon({\partial}G),\cdot) \in {\partial}G - {\partial}^{\pm z} , \tau_\varepsilon( B_{r_0} ) > \tau_\varepsilon({\partial}G) ))