<<< native
[ EArray
    [ AlignCenter , AlignCenter ]
    [ [ [] , [ EText TextNormal "27F" ] ]
    , [ [ EText TextNormal "0" ] , [ ESymbol Rel "\10224" ] ]
    , [ [ EText TextNormal "1" ] , [ ESymbol Rel "\10225" ] ]
    , [ [ EText TextNormal "2" ] , [ ESymbol Rel "\10226" ] ]
    , [ [ EText TextNormal "3" ] , [ ESymbol Rel "\10227" ] ]
    , [ [ EText TextNormal "4" ] , [ ESymbol Rel "\10228" ] ]
    , [ [ EText TextNormal "5" ] , [ ESymbol Accent "\10229" ] ]
    , [ [ EText TextNormal "6" ] , [ ESymbol Accent "\10230" ] ]
    , [ [ EText TextNormal "7" ] , [ ESymbol Accent "\10231" ] ]
    , [ [ EText TextNormal "8" ] , [ ESymbol Accent "\10232" ] ]
    , [ [ EText TextNormal "9" ] , [ ESymbol Accent "\10233" ] ]
    , [ [ EText TextNormal "A" ] , [ ESymbol Accent "\10234" ] ]
    , [ [ EText TextNormal "B" ] , [ ESymbol Accent "\10235" ] ]
    , [ [ EText TextNormal "C" ] , [ ESymbol Accent "\10236" ] ]
    , [ [ EText TextNormal "D" ] , [ ESymbol Accent "\10237" ] ]
    , [ [ EText TextNormal "E" ] , [ ESymbol Accent "\10238" ] ]
    , [ [ EText TextNormal "F" ] , [ ESymbol Accent "\10239" ] ]
    ]
]
>>> tex
\begin{matrix}
 & \text{27F} \\
\text{0} & ⟰ \\
\text{1} & ⟱ \\
\text{2} & ⟲ \\
\text{3} & ⟳ \\
\text{4} & ⟴ \\
\text{5} & \longleftarrow \\
\text{6} & \longrightarrow \\
\text{7} & \longleftrightarrow \\
\text{8} & \Longleftarrow \\
\text{9} & \Longrightarrow \\
\text{A} & \Longleftrightarrow \\
\text{B} & ⟻ \\
\text{C} & \longmapsto \\
\text{D} & ⟽ \\
\text{E} & ⟾ \\
\text{F} & ⟿
\end{matrix}