bring back removed subsection

IV/mj-msc.tex

@@ -1139,6 +1139,17 @@ exaggerated bend with the algorithm.
 \end{figure}
 
 
+\section{Program Implementation}
+
+NOTE: this should provide a higher-level overview of the written code:
+
+\begin{itemize}
+    \item State machine (which functions call when).
+    \item Algorithmic complexity.
+    \item Expected runtime given the number of bends/vertices, some performance
+        experiments.
+\end{itemize}
+
 \section{Results of Experiments}
 
 NOTE: this can only be filled after the algorithm implementation is complete.