diff --git a/corerouter.tex b/corerouter.tex
new file mode 100644
index 0000000..79cf6f8
--- /dev/null
+++ b/corerouter.tex
@@ -0,0 +1,4 @@
+\subsection{Core Router}
+\begin{verbatim}
+  % not much
+\end{verbatim}
diff --git a/sem-proj.tex b/sem-proj.tex
index b6d27f5..bd5b116 100644
--- a/sem-proj.tex
+++ b/sem-proj.tex
@@ -42,4 +42,7 @@
 \input{task}
 \newpage
 
+\section{Vypracovanie}
+\input{solution}
+
 \end{document}
diff --git a/solution.tex b/solution.tex
new file mode 100644
index 0000000..a050870
--- /dev/null
+++ b/solution.tex
@@ -0,0 +1,2 @@
+% include partial *.tex files
+\input{corerouter}