<<< native [ EIdentifier "x" , ESymbol Rel "=" , EGrouped [ EDelimited "(" ")" [ Right (EArray [ AlignCenter ] [ [ [ ENumber "0" ] ] , [ [ ENumber "0" ] ] ]) ] , EDelimited "(" ")" [ Right (EArray [ AlignCenter ] [ [ [ ENumber "0" ] ] , [ [ ENumber "0" ] ] ]) ] , EDelimited "(" ")" [ Right (EArray [ AlignCenter ] [ [ [ ENumber "0" ] ] , [ [ ENumber "0" ] ] ]) ] ] ] >>> mml $$x=\left(\begin{array}{c}\hfill 0\hfill \\ \hfill 0\hfill \end{array}\right)\left(\begin{array}{c}\hfill 0\hfill \\ \hfill 0\hfill \end{array}\right)\left(\begin{array}{c}\hfill 0\hfill \\ \hfill 0\hfill \end{array}\right)$$