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\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{78}\\{39}\end{array}} \\\,\,\,\,39\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{81}\\{12}\end{array}} \\\,\,\,69\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{62}\\{38}\end{array}} \\\,\,\,\,24\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{73}\\{46}\end{array}} \\\,\,\,\,27\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{41}\\{28}\end{array}} \\\,\,\,\,13\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{30}\\{23}\end{array}} \\\,\,\,\,\,\,\,7\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{81}\\{54}\end{array}} \\\,\,\,\,27\end{array}\) | \(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{93}\\{45}\end{array}} \\\,\,\,\,48\end{array}\) |