diff --git a/ws2019/ipi/uebungen/ipi6.pdf b/ws2019/ipi/uebungen/ipi6.pdf
index cb0c65a..36a980d 100644
Binary files a/ws2019/ipi/uebungen/ipi6.pdf and b/ws2019/ipi/uebungen/ipi6.pdf differ
diff --git a/ws2019/ipi/uebungen/ipi6.tex b/ws2019/ipi/uebungen/ipi6.tex
index 25693c6..43ee6bc 100644
--- a/ws2019/ipi/uebungen/ipi6.tex
+++ b/ws2019/ipi/uebungen/ipi6.tex
@@ -1,6 +1,7 @@
 \documentclass[uebung]{../../../lecture}
 
 \usepackage{listings}
+\usetikzlibrary{positioning}
 
 \title{Übungsblatt 6}
 \author{Samuel Weidemaier, Christian Merten}
@@ -27,14 +28,190 @@
  
 \lstset{style=mystyle}
 
+\usepackage{tikz, wasysym} 
+\usetikzlibrary{automata, positioning, arrows,shapes,shadows}
+
+\tikzstyle{abstract}=[rectangle, draw=black,
+    %text centered,
+     anchor=north, text=black, text width=15cm, rounded corners]
+
+\tikzstyle{subgroup}=[rectangle, draw=blue,
+    %text centered,
+     anchor=north, text=black, text width=3.5cm, rounded corners]
+     
+\tikzstyle{myarrow}=[->, >=stealth, thick]
+\tikzstyle{gestrichen}=[->, >=stealth, dashed]
+
 \begin{document}
 
 \punkte
 
 \begin{aufgabe}
-    siehe Blatt.
+
+    \vspace{5mm}
+Marker 1:
+    \vspace{-3mm}
+\begin{center}
+	\begin{tikzpicture}[shorten >= 1pt, node distance=2.5cm, on grid, auto]
+	
+	
+		\node[abstract, rectangle split, rectangle split parts=2] (global) 	{
+										Globale Umgebung
+										\nodepart{second}$g$ int $1$
+									};
+								
+								
+								
+		\node[subgroup, rectangle split, rectangle split parts=2, below left of=global, xshift=-3.3cm, yshift=-0.3cm] (main)		{ 
+										main() \\
+										\nodepart{second}
+										$a$ int $2$ \\
+										$b$ int $14$ 
+									};
+		
+		\node[subgroup, rectangle split, rectangle split parts=2, below right of=main, yshift=-0.4cm] (block1)		{ 
+										Block $1$ in main() \\
+										\nodepart{second}
+										$a$ int $7$ \\
+										$g$ int $?$ 
+									};
+									
+		\node[subgroup, rectangle split, rectangle split parts=2, right of=block1, , xshift=2.1cm, yshift=-0.32cm] (ggTab)		{ 
+										ggT(b, a) \\
+										\nodepart{second}
+										$a$ int $14$ \\
+										$b$ int $7$  \\
+										Null int $0$ 
+									};
+									
+	
+				
+		\node[subgroup, rectangle split, rectangle split parts=2, below right of=ggTab, yshift=-0.7cm] (amodb)		{ 
+                                        $a \text{ mod } b(a,b)$ \\
+										\nodepart{second}
+										$a$ int $14$ \\
+										$b$ int $7$ \\
+										$m$ int $0$
+									};
+									
+		
+		\draw[myarrow] (main.west) -- ++(0,0) -| ([xshift=-7.2cm] global.south);
+		
+		\draw[myarrow] (block1.west) -- ++(0,0) -| ([xshift=-1cm] main.south);
+		
+		\draw[gestrichen] ([xshift=-1.4cm] ggTab.south) -- ++(0,-0.4) -| (block1.south);
+		
+		\draw[myarrow] (ggTab.west) -- ++(0,0) -| ([xshift=-1cm] global.south);
+		
+		
+		\draw[gestrichen] (amodb.west) -- ++(0,0) -| ([xshift=-1.7cm] ggTab);
+		
+		\draw[myarrow] ([xshift=1cm] amodb.north) -- ++(0,0) -| ([xshift=4.1cm] global.south);
+		
+		
+		
+	\end{tikzpicture} 
+
+    \vspace{-10mm}
+    
+\end{center}
+	
+	\nopagebreak
+	
+    Marker 2:
+    \vspace{-2mm}
+    \begin{center}
+	\begin{tikzpicture}[shorten >= 1pt, node distance=2.5cm, on grid, auto]
+	
+	
+		\node[abstract, rectangle split, rectangle split parts=2] (global) 	{
+										Globale Umgebung
+										\nodepart{second}$g$ int $2$
+									};
+								
+								
+								
+		\node[subgroup, rectangle split, rectangle split parts=2, below left of=global, xshift=-3.3cm, yshift=-0.3cm] (main)		{ 
+										main() \\
+										\nodepart{second}
+										$a$ int $2$ \\
+										$b$ int $14$ 
+									};
+		
+		\node[subgroup, rectangle split, rectangle split parts=2, below right of=main, yshift=-0.4cm] (block1)		{ 
+										Block $1$ in main() \\
+										\nodepart{second}
+										$a$ int $7$ \\
+										$g$ int $?$ 
+									};
+									
+		\node[subgroup, rectangle split, rectangle split parts=2, right of=block1, , xshift=2.1cm, yshift=-0.32cm] (ggTab)		{ 
+										ggT(b, a) \\
+										\nodepart{second}
+										$a$ int $14$ \\
+										$b$ int $7$  \\
+										Null int $0$ 
+									};
+									
+		\node[subgroup, rectangle split, rectangle split parts=2, below right of=ggTab, , xshift=1cm, yshift=-0.7cm] (ggTmod)		{ 
+                $ggT(b, a \text{ mod }b(a,b))$ \\
+										\nodepart{second}
+										$a$ int $7$ \\
+										$b$ int $0$ \\
+										Null int $0$
+									};
+				
+
+		
+		\draw[myarrow] (main.west) -- ++(0,0) -| ([xshift=-7.2cm] global.south);
+		
+		\draw[myarrow] (block1.west) -- ++(0,0) -| ([xshift=-1cm] main.south);
+		
+		\draw[gestrichen] ([xshift=-1.4cm] ggTab.south) -- ++(0,-0.4) -| (block1.south);
+		
+		\draw[myarrow] (ggTab.west) -- ++(0,0) -| ([xshift=-1cm] global.south);
+		
+		\draw[gestrichen] (ggTmod.west) -- ++(0,0) -| (ggTab.south);
+		
+		\draw[myarrow] (ggTmod.north) -- ++(0,0) -| ([xshift=4.1cm] global.south);
+		
+		
+		
+	\end{tikzpicture} 
+        
+    \end{center}
+    Marker 3:
+    \begin{center}
+
+	\begin{tikzpicture}[shorten >= 1pt, node distance=2.5cm, on grid, auto]
+	
+	
+		\node[abstract, rectangle split, rectangle split parts=2] (global) 	{
+										Globale Umgebung
+										\nodepart{second}$g$ int $2$
+									};
+								
+								
+								
+		\node[subgroup, rectangle split, rectangle split parts=2, below left of=global, xshift=-3.3cm, yshift=-0.3cm] (main)		{ 
+										main() \\
+										\nodepart{second}
+										$a$ int $2$ \\
+										$b$ int $7$ 
+									};
+		 
+		
+		\draw[myarrow] (main.west) -- ++(0,0) -| ([xshift=-7.2cm] global.south);
+		
+		
+		
+	\end{tikzpicture} 
+\end{center}
+
 \end{aufgabe}
 
+\newpage
+
 \begin{aufgabe} Primfaktorzerlegung
     \begin{lstlisting}[language=C++, title=Primfaktorzerlegung, captionpos=b]
 #include "cpp_headers/fcpp.hh"