MSG 71.537
\[\begin{align*}
&E_{2}^{1,-1}=0\\
&E_{1}^{0,-1}=\mathbb{Z}_2[\boldsymbol{b}^{(1)}_{\text{A}_1}]\oplus\mathbb{Z}_2[\boldsymbol{b}^{(1)}_{\text{B}_1}]\oplus\mathbb{Z}_2[\boldsymbol{b}^{(1)}_{\text{F}_1}]\oplus\mathbb{Z}_2[\boldsymbol{b}^{(1)}_{\text{G}_1}]\\
&E_{1}^{1,-1}=0\\
&E_{1}^{2,-1}=0
\end{align*}\]
\[
\]