diff --git a/report.tex b/report.tex
index 48de47e..98bfcbd 100644
--- a/report.tex
+++ b/report.tex
@@ -296,6 +296,7 @@
   \end{frame}
 
   \begin{frame}{Searching for a first order Z4c}{First order Z4c?}
+    \subsection{First order Z4c?}
     \begin{figure}
       \centering
       \begin{tikzpicture}[
@@ -342,7 +343,27 @@
       \end{tikzpicture}
       \caption{Commenly used systems, and first order reductions.}
     \end{figure}
-    
+  \end{frame}
+
+    \begin{frame}{Searching for a first order Z4c}{Why not existing first order formulations}
+    \begin{itemize}
+      \item GH
+      \begin{itemize}
+        \item Not compatible with moving puncture mothod
+      \end{itemize}
+      \item FOCCZ4
+      \begin{itemize}
+        \item No constraint damping for new constraints introduced during the reduction
+      \end{itemize}
+      \item FOZ4
+      \begin{itemize}
+        \item It's almost a copy of FOCCZ4. No constraint damping for new constraints introduced during the reduction
+      \end{itemize}
+      \item FOBSSN
+      \begin{itemize}
+        \item Probably works; not well tested in the community; WIP in \texttt{nmesh}
+      \end{itemize}
+    \end{itemize}
   \end{frame}
 
   \begin{frame}{Searching for a first order Z4c}{Hyperbolicity of first order systems}
@@ -457,28 +478,6 @@
     and thus the system is still strongly hyperbolic, and well-posed in the $L^2$ sense.
   \end{frame}
 
-  \begin{frame}{Existing first order formulations}
-    \subsection{Existing first order formulations}
-    \begin{itemize}
-      \item GH
-      \begin{itemize}
-        \item Not compatible with moving puncture mothod
-      \end{itemize}
-      \item FOCCZ4
-      \begin{itemize}
-        \item No constraint damping
-      \end{itemize}
-      \item FOZ4
-      \begin{itemize}
-        \item No constraint damping
-      \end{itemize}
-      \item FOBSSN
-      \begin{itemize}
-        \item Probably works; not well tested in the community; WIP in \texttt{nmesh}
-      \end{itemize}
-    \end{itemize}
-  \end{frame}
-
   \begin{frame}{References}
     \printbibliography
   \end{frame}