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\end{equation}  \section{11}  For divisibility by $11$,  the general $\Gamma$ matrix can be constructed below \begin{equation}  \Gamma_{11}=  \begin{bmatrix}  -  & & & &1,3,5,7,9  & & & & & & \\ -  & & &1,3,5,7,9  & & & & & & & \\ & - &1,3,5,7,9  & & & & & & & & \\ 1,3,5,7,9  & & & & & & & & & \\ & & & & & & & & & \\  & & & & & & & & &1,3,5,7,9 \\  & & & & & & & &1,3,5,7,9 & \\