<<< native
[ EDelimited
    "("
    ")"
    [ Right
        (EArray
           [ AlignCenter ]
           [ [ [ ENumber "0" ] ]
           , [ [ ENumber "0" ] ]
           , [ [ ENumber "0" ] ]
           , [ [ ENumber "0" ] ]
           , [ [ ENumber "0" ] ]
           ])
    ]
, ESymbol Open "("
, EArray
    [ AlignCenter ]
    [ [ [ ENumber "0" ] ]
    , [ [ ENumber "0" ] ]
    , [ [ ENumber "0" ] ]
    , [ [ ENumber "0" ] ]
    , [ [ ENumber "0" ] ]
    ]
, ESymbol Close ")"
, EDelimited
    "("
    ")"
    [ Right
        (EArray
           [ AlignCenter ]
           [ [ [ ENumber "0" ] ]
           , [ [ ENumber "0" ] ]
           , [ [ ENumber "0" ] ]
           , [ [ ENumber "0" ] ]
           , [ [ ENumber "0" ] ]
           ])
    ]
]
>>> eqn
left ( matrix{
ccol{ 0 above 0 above 0 above 0 above 0 }
} right ) ( matrix{
ccol{ 0 above 0 above 0 above 0 above 0 }
} ) left ( matrix{
ccol{ 0 above 0 above 0 above 0 above 0 }
} right )