Urgent, need help with functions!

need help using the correct formula to find the grey highlighted boxes

stamp. \begin{tabular}{|l|c|} \hline Text Stamp Phrase: & Employee number \# entered the serv \\ \hline Phrase length: & 60 \\ \hline Location of "\#" & 17 \\ \hline Phrase Part 1 & Employee number \\ \hline Location of " HH" & 46 \\ \hline Phrase Part 2 & entered the server room at \\ \hline Phrase Part 3 & today. \\ \hline \end{tabular} stamp. \begin{tabular}{|l|c|} \hline Text Stamp Phrase: & Employee number \# entered the serv \\ \hline Phrase length: & 60 \\ \hline Location of "\#" & 17 \\ \hline Phrase Part 1 & Employee number \\ \hline Location of " HH" & 46 \\ \hline Phrase Part 2 & entered the server room at \\ \hline Phrase Part 3 & today. \\ \hline \end{tabular}