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Several ensembles using 2+1 flavors of physical mass M\\\"obius domain-wall fermions, generated by the RBC/UKQCD collaborations, are employed to take the continuum and infinite volume limits of finite volume lattice QED+QCD. We find $a_\\mu^{\\rm HLbL} = 7.87(3.06)_\\text{stat}(1.77)_\\text{sys}\\times 10^{-10}$. 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