MSG 68.517

\[\begin{align*} &E_{2}^{1,-1}=0\\ &E_{1}^{0,-1}=\mathbb{Z}[\boldsymbol{b}^{(0)}_{\text{A}_1}]\oplus\mathbb{Z}[\boldsymbol{b}^{(0)}_{\text{B}_1}]\\ &E_{1}^{1,-1}=0\\ &E_{1}^{2,-1}=0 \end{align*}\]

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