\begin{array}{lllllll}
 & \text{25A} & \text{25B} & \text{25C} & \text{25D} & \text{25E} & \text{25F} \\
\text{0} & \blacksquare & & & & & \\
\text{1} & \square & & & & & \\
\text{2} & & & & & & \\
\text{3} & & \bigtriangleup & \triangleleft & & & \\
\text{4} & & & & & & \\
\text{5} & & & & & & \\
\text{6} & & & & & & \\
\text{7} & & & & & & \\
\text{8} & & & & & & \\
\text{9} & & \triangleright & & & & \\
\text{A} & & & & & & \\
\text{B} & & & & & & \\
\text{C} & & & & & & \\
\text{D} & & \bigtriangledown & & & & \\
\text{E} & & & & & & \\
\text{F} & & & & & & \\
\end{array}
