$$\begin{array}{ccc}\hfill \hfill & \hfill \mathrm{\text{Stetching in base}}\hfill & \hfill \mathrm{\text{Stretching in script}}\hfill \\ \hfill \mathrm{\text{no mrows}}\hfill & \hfill \stackrel{\mathrm{\text{maps to}}}{\to }\hfill & \hfill \overrightarrow{\mathrm{\text{maps to}}}\hfill \\ \hfill \mathrm{\text{all in row}}\hfill & \hfill \stackrel{\mathrm{\text{maps to}}}{\to }\hfill & \hfill \overrightarrow{\mathrm{\text{maps to}}}\hfill \\ \hfill \mathrm{\text{op in row}}\hfill & \hfill \stackrel{\mathrm{\text{maps to}}}{\to }\hfill & \hfill \overrightarrow{\mathrm{\text{maps to}}}\hfill \\ \hfill \mathrm{\text{text in row}}\hfill & \hfill \stackrel{\mathrm{\text{maps to}}}{\to }\hfill & \hfill \overrightarrow{\mathrm{\text{maps to}}}\hfill \end{array}$$