MSG 13.74

\[\begin{align*} &E_{2}^{1,-1}=0\\ &E_{1}^{0,-1}=\mathbb{Z}_2[\boldsymbol{b}^{(1)}_{\text{F}_1}]\\ &E_{1}^{1,-1}=0\\ &E_{1}^{2,-1}=0 \end{align*}\]

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