diff --git a/src/final_presentation/main.tex b/src/final_presentation/main.tex
index 17b3a52..e5d84fe 100644
--- a/src/final_presentation/main.tex
+++ b/src/final_presentation/main.tex
@@ -1759,7 +1759,9 @@
 \label{subsec:Soft-Information-Aware Sliding-Window Decoding}
 
 \begin{frame}
-    \frametitle{Warm-Start Sliding-Window Decoding}
+    \frametitle{BP: Warm-Start Sliding-Window Decoding}
+
+    \vspace*{-15mm}
 
     \begin{itemize}
         \item Contribution: \schlagwort{Warm-start} by initializing
@@ -1782,6 +1784,7 @@
             },
         }
 
+        \only<1>{
         \begin{tikzpicture}[node distance = 7mm]
             \node[VN]                  (vn00) {};
             \node[VN, below = of vn00] (vn01) {};
@@ -1867,13 +1870,117 @@
             \draw[-{Latex}, line width=1pt] ([yshift=8mm] box1.north
             east) -- ++(35mm,0);
         \end{tikzpicture}
+    }%
+        \only<2->{
+        \begin{tikzpicture}[node distance = 7mm]
+            \node[VN]                  (vn00) {};
+            \node[VN, below = of vn00] (vn01) {};
+            \node[VN, below = of vn01] (vn02) {};
+            \node[VN, below = of vn02] (vn03) {};
+            \node[VN, below = of vn03] (vn04) {};
+
+            \coordinate (temp) at ($(vn01)!0.5!(vn02)$);
+
+            \node[CN, left =15mm of temp] (cn00) {};
+            \node[CN, below = of cn00] (cn01) {};
+
+            \draw (vn00) -- (cn00);
+            \draw (vn01) -- (cn00);
+            \draw (vn03) -- (cn00);
+            \draw (vn01) -- (cn01);
+            \draw (vn02) -- (cn01);
+            \draw (vn04) -- (cn01);
+
+            \foreach \i in {1,2,3,4} {
+                \pgfmathtruncatemacro{\prev}{\i-1}
+
+                \node[VN, right = 35mm of vn\prev 0] (vn\i0) {};
+                \node[VN, below = of vn\i0]          (vn\i1) {};
+                \node[VN, below = of vn\i1]          (vn\i2) {};
+                \node[VN, below = of vn\i2]          (vn\i3) {};
+                \node[VN, below = of vn\i3]          (vn\i4) {};
+
+                \coordinate (temp) at ($(vn\i1)!0.5!(vn\i2)$);
+
+                \node[CN, left = 15mm of temp] (cn\i0) {};
+                \node[CN, below = of cn\i0]     (cn\i1) {};
+
+                \draw (vn\i0) -- (cn\i0);
+                \draw (vn\i1) -- (cn\i0);
+                \draw (vn\i3) -- (cn\i0);
+                \draw (vn\i1) -- (cn\i1);
+                \draw (vn\i2) -- (cn\i1);
+                \draw (vn\i4) -- (cn\i1);
+            }
+
+            \foreach \i in {1,2,3,4} {
+                \pgfmathtruncatemacro{\prev}{\i-1}
+
+                \draw (vn\prev 3) -- (cn\i 0);
+                \draw (vn\prev 4) -- (cn\i 1);
+            }
+
+            \node[
+                draw, inner sep=5mm,line width=1pt,
+                fit=(vn00)(vn04)(cn00)(cn01)(vn20)(vn24)(cn20)(cn21)
+            ]
+            (box1) {};
+            \node[
+                draw, dashed, inner sep=5mm, inner ysep=8mm,line width=1pt,
+                fit=(vn10)(vn14)(cn10)(cn11)(vn30)(vn34)(cn30)(cn31)
+            ]
+            (box2) {};
+
+            \draw[kit-orange, line width=2pt] (cn10) -- (vn10);
+            \draw[kit-orange, line width=2pt] (cn10) -- (vn11);
+            \draw[kit-orange, line width=2pt] (cn10) -- (vn13);
+            \draw[kit-orange, line width=2pt] (cn11) -- (vn11);
+            \draw[kit-orange, line width=2pt] (cn11) -- (vn12);
+            \draw[kit-orange, line width=2pt] (cn11) -- (vn14);
+
+            \draw[kit-orange, line width=2pt] (vn13) -- (cn20);
+            \draw[kit-orange, line width=2pt] (vn14) -- (cn21);
+
+            \draw[kit-orange, line width=2pt] (cn20) -- (vn20);
+            \draw[kit-orange, line width=2pt] (cn20) -- (vn21);
+            \draw[kit-orange, line width=2pt] (cn20) -- (vn23);
+            \draw[kit-orange, line width=2pt] (cn21) -- (vn21);
+            \draw[kit-orange, line width=2pt] (cn21) -- (vn22);
+            \draw[kit-orange, line width=2pt] (cn21) -- (vn24);
+
+            % Marker for solid box (positions 0–2)
+            \draw[line width=1pt] ([yshift=-5mm, line width=1pt]box1.south west)
+            -- ++(0,-4mm)
+            coordinate (dim1l);
+            \draw[line width=1pt] ([yshift=-5mm]box1.south east)
+            -- ++(0,-4mm)
+            coordinate (dim1r);
+            \draw[{Latex}-{Latex}, line width=1pt]
+            ([yshift=-2mm]dim1l) -- ([yshift=-2mm]dim1r)
+            node[midway, below=2pt] {$W$};
+
+            % Marker for step size F on top
+            \draw[line width=1pt] ([yshift=3mm]box2.north west)
+            -- ++(0,4mm)
+            coordinate (dim3l);
+            \draw[line width=1pt] ([yshift=3mm]box2.north west -|
+            box1.north west)
+            -- ++(0,4mm)
+            coordinate (dim3r);
+            \draw[{Latex}-{Latex}, line width=1pt]
+            ([yshift=2mm]dim3l) -- ([yshift=2mm]dim3r)
+            node[midway, above=2pt] {$F$};
+
+            \draw[-{Latex}, line width=1pt] ([yshift=8mm] box1.north
+            east) -- ++(35mm,0);
+        \end{tikzpicture}
+    }
     \end{figure}
 
     \vspace*{-5mm}
 
     \begin{itemize}
-        \item Pass \ac{cn} to \ac{vn} messages of overlapping region
-            to next window
+        \item Pass messages from overlapping region to next window
     \end{itemize}
 \end{frame}
 
@@ -2883,6 +2990,243 @@
     \stopreferencesendmanual
 \end{frame}
 
+\begin{frame}
+    \frametitle{BPGD: Warm-Start Sliding-Window Decoding I}
+
+    \vspace*{-15mm}
+
+    \begin{itemize}
+        \item BPGD: Additional information about overlap region
+    \end{itemize}
+
+    \vspace*{-5mm}
+
+    \begin{figure}[H]
+        \centering
+
+        \tikzset{
+            VN/.style={
+                circle, fill=kit-green,
+                inner sep=1.5mm,
+            },
+            CN/.style={
+                rectangle, fill=kit-blue,
+                inner sep=1.8mm,
+            },
+        }
+
+        \only<1>{
+        \begin{tikzpicture}[node distance = 7mm]
+            \node[VN]                  (vn00) {};
+            \node[VN, below = of vn00] (vn01) {};
+            \node[VN, below = of vn01] (vn02) {};
+            \node[VN, below = of vn02] (vn03) {};
+            \node[VN, below = of vn03] (vn04) {};
+
+            \coordinate (temp) at ($(vn01)!0.5!(vn02)$);
+
+            \node[CN, left =15mm of temp] (cn00) {};
+            \node[CN, below = of cn00] (cn01) {};
+
+            \draw (vn00) -- (cn00);
+            \draw (vn01) -- (cn00);
+            \draw (vn03) -- (cn00);
+            \draw (vn01) -- (cn01);
+            \draw (vn02) -- (cn01);
+            \draw (vn04) -- (cn01);
+
+            \foreach \i in {1,2,3,4} {
+                \pgfmathtruncatemacro{\prev}{\i-1}
+
+                \node[VN, right = 35mm of vn\prev 0] (vn\i0) {};
+                \node[VN, below = of vn\i0]          (vn\i1) {};
+                \node[VN, below = of vn\i1]          (vn\i2) {};
+                \node[VN, below = of vn\i2]          (vn\i3) {};
+                \node[VN, below = of vn\i3]          (vn\i4) {};
+
+                \coordinate (temp) at ($(vn\i1)!0.5!(vn\i2)$);
+
+                \node[CN, left = 15mm of temp] (cn\i0) {};
+                \node[CN, below = of cn\i0]     (cn\i1) {};
+
+                \draw (vn\i0) -- (cn\i0);
+                \draw (vn\i1) -- (cn\i0);
+                \draw (vn\i3) -- (cn\i0);
+                \draw (vn\i1) -- (cn\i1);
+                \draw (vn\i2) -- (cn\i1);
+                \draw (vn\i4) -- (cn\i1);
+            }
+
+            \foreach \i in {1,2,3,4} {
+                \pgfmathtruncatemacro{\prev}{\i-1}
+
+                \draw (vn\prev 3) -- (cn\i 0);
+                \draw (vn\prev 4) -- (cn\i 1);
+            }
+
+            \node[
+                draw, inner sep=5mm,line width=1pt,
+                fit=(vn00)(vn04)(cn00)(cn01)(vn20)(vn24)(cn20)(cn21)
+            ]
+            (box1) {};
+            \node[
+                draw, dashed, inner sep=5mm, inner ysep=8mm,line width=1pt,
+                fit=(vn10)(vn14)(cn10)(cn11)(vn30)(vn34)(cn30)(cn31)
+            ]
+            (box2) {};
+
+            % Marker for solid box (positions 0–2)
+            \draw[line width=1pt] ([yshift=-5mm, line width=1pt]box1.south west)
+            -- ++(0,-4mm)
+            coordinate (dim1l);
+            \draw[line width=1pt] ([yshift=-5mm]box1.south east)
+            -- ++(0,-4mm)
+            coordinate (dim1r);
+            \draw[{Latex}-{Latex}, line width=1pt]
+            ([yshift=-2mm]dim1l) -- ([yshift=-2mm]dim1r)
+            node[midway, below=2pt] {$W$};
+
+            % Marker for step size F on top
+            \draw[line width=1pt] ([yshift=3mm]box2.north west)
+            -- ++(0,4mm)
+            coordinate (dim3l);
+            \draw[line width=1pt] ([yshift=3mm]box2.north west -|
+            box1.north west)
+            -- ++(0,4mm)
+            coordinate (dim3r);
+            \draw[{Latex}-{Latex}, line width=1pt]
+            ([yshift=2mm]dim3l) -- ([yshift=2mm]dim3r)
+            node[midway, above=2pt] {$F$};
+
+            \draw[-{Latex}, line width=1pt] ([yshift=8mm] box1.north
+            east) -- ++(35mm,0);
+        \end{tikzpicture}
+    }%
+        \only<2->{
+        \begin{tikzpicture}[node distance = 7mm]
+            \node[VN]                  (vn00) {};
+            \node[VN, below = of vn00] (vn01) {};
+            \node[VN, below = of vn01] (vn02) {};
+            \node[VN, below = of vn02] (vn03) {};
+            \node[VN, below = of vn03] (vn04) {};
+
+            \coordinate (temp) at ($(vn01)!0.5!(vn02)$);
+
+            \node[CN, left =15mm of temp] (cn00) {};
+            \node[CN, below = of cn00] (cn01) {};
+
+            \draw (vn00) -- (cn00);
+            \draw (vn01) -- (cn00);
+            \draw (vn03) -- (cn00);
+            \draw (vn01) -- (cn01);
+            \draw (vn02) -- (cn01);
+            \draw (vn04) -- (cn01);
+
+            \foreach \i in {1,2,3,4} {
+                \pgfmathtruncatemacro{\prev}{\i-1}
+
+                \node[VN, right = 35mm of vn\prev 0] (vn\i0) {};
+                \node[VN, below = of vn\i0]          (vn\i1) {};
+                \node[VN, below = of vn\i1]          (vn\i2) {};
+                \node[VN, below = of vn\i2]          (vn\i3) {};
+                \node[VN, below = of vn\i3]          (vn\i4) {};
+
+                \coordinate (temp) at ($(vn\i1)!0.5!(vn\i2)$);
+
+                \node[CN, left = 15mm of temp] (cn\i0) {};
+                \node[CN, below = of cn\i0]     (cn\i1) {};
+
+                \draw (vn\i0) -- (cn\i0);
+                \draw (vn\i1) -- (cn\i0);
+                \draw (vn\i3) -- (cn\i0);
+                \draw (vn\i1) -- (cn\i1);
+                \draw (vn\i2) -- (cn\i1);
+                \draw (vn\i4) -- (cn\i1);
+            }
+
+            \foreach \i in {1,2,3,4} {
+                \pgfmathtruncatemacro{\prev}{\i-1}
+
+                \draw (vn\prev 3) -- (cn\i 0);
+                \draw (vn\prev 4) -- (cn\i 1);
+            }
+
+            \node[
+                draw, inner sep=5mm,line width=1pt,
+                fit=(vn00)(vn04)(cn00)(cn01)(vn20)(vn24)(cn20)(cn21)
+            ]
+            (box1) {};
+            \node[
+                draw, dashed, inner sep=5mm, inner ysep=8mm,line width=1pt,
+                fit=(vn10)(vn14)(cn10)(cn11)(vn30)(vn34)(cn30)(cn31)
+            ]
+            (box2) {};
+
+            \draw[kit-orange, line width=2pt] (cn10) -- (vn10);
+            \draw[kit-orange, line width=2pt] (cn10) -- (vn11);
+            \draw[kit-orange, line width=2pt] (cn10) -- (vn13);
+            \draw[kit-orange, line width=2pt] (cn11) -- (vn11);
+            \draw[kit-orange, line width=2pt] (cn11) -- (vn12);
+            \draw[kit-orange, line width=2pt] (cn11) -- (vn14);
+
+            \draw[kit-orange, line width=2pt] (vn13) -- (cn20);
+            \draw[kit-orange, line width=2pt] (vn14) -- (cn21);
+
+            \draw[kit-orange, line width=2pt] (cn20) -- (vn20);
+            \draw[kit-orange, line width=2pt] (cn20) -- (vn21);
+            \draw[kit-orange, line width=2pt] (cn20) -- (vn23);
+            \draw[kit-orange, line width=2pt] (cn21) -- (vn21);
+            \draw[kit-orange, line width=2pt] (cn21) -- (vn22);
+            \draw[kit-orange, line width=2pt] (cn21) -- (vn24);
+
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn10) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn11) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn12) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn13) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn14) {};
+
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn20) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn21) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn22) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn23) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn24) {};
+
+            % Marker for solid box (positions 0–2)
+            \draw[line width=1pt] ([yshift=-5mm, line width=1pt]box1.south west)
+            -- ++(0,-4mm)
+            coordinate (dim1l);
+            \draw[line width=1pt] ([yshift=-5mm]box1.south east)
+            -- ++(0,-4mm)
+            coordinate (dim1r);
+            \draw[{Latex}-{Latex}, line width=1pt]
+            ([yshift=-2mm]dim1l) -- ([yshift=-2mm]dim1r)
+            node[midway, below=2pt] {$W$};
+
+            % Marker for step size F on top
+            \draw[line width=1pt] ([yshift=3mm]box2.north west)
+            -- ++(0,4mm)
+            coordinate (dim3l);
+            \draw[line width=1pt] ([yshift=3mm]box2.north west -|
+            box1.north west)
+            -- ++(0,4mm)
+            coordinate (dim3r);
+            \draw[{Latex}-{Latex}, line width=1pt]
+            ([yshift=2mm]dim3l) -- ([yshift=2mm]dim3r)
+            node[midway, above=2pt] {$F$};
+
+            \draw[-{Latex}, line width=1pt] ([yshift=8mm] box1.north
+            east) -- ++(35mm,0);
+        \end{tikzpicture}
+    }
+    \end{figure}
+
+    \vspace*{-5mm}
+
+    \begin{itemize}
+        \item Pass messages \schlagwort{and decimation information} to next window
+    \end{itemize}
+\end{frame}
+
 \begin{frame}
     \frametitle{BPGD: Passing Decimation Information}
 
@@ -2988,7 +3332,7 @@
         \begin{itemize}
             \item $\llbracket 144,12,12\rrbracket$ \ac{bb} code
             \item $12$ \ac{se} rounds
-            \item \Ac{spa} + \ac{gd} decoder
+            \item \Ac{spa} + \ac{gd}
             \item Parameters
                 \begin{itemize}
                     \item $T = 1$
@@ -2999,6 +3343,260 @@
     \end{minipage}
 \end{frame}
 
+\begin{frame}
+    \frametitle{BPGD: Warm-Start Sliding-Window Decoding II}
+
+    \vspace*{-15mm}
+
+    \begin{itemize}
+        \item Decimation information: \schlagwort{Premature hard decision} on VNs
+    \end{itemize}
+
+    \vspace*{-5mm}
+
+    \begin{figure}[H]
+        \centering
+
+        \tikzset{
+            VN/.style={
+                circle, fill=kit-green,
+                inner sep=1.5mm,
+            },
+            CN/.style={
+                rectangle, fill=kit-blue,
+                inner sep=1.8mm,
+            },
+        }
+
+        \only<1>{
+        \begin{tikzpicture}[node distance = 7mm]
+            \node[VN]                  (vn00) {};
+            \node[VN, below = of vn00] (vn01) {};
+            \node[VN, below = of vn01] (vn02) {};
+            \node[VN, below = of vn02] (vn03) {};
+            \node[VN, below = of vn03] (vn04) {};
+
+            \coordinate (temp) at ($(vn01)!0.5!(vn02)$);
+
+            \node[CN, left =15mm of temp] (cn00) {};
+            \node[CN, below = of cn00] (cn01) {};
+
+            \draw (vn00) -- (cn00);
+            \draw (vn01) -- (cn00);
+            \draw (vn03) -- (cn00);
+            \draw (vn01) -- (cn01);
+            \draw (vn02) -- (cn01);
+            \draw (vn04) -- (cn01);
+
+            \foreach \i in {1,2,3,4} {
+                \pgfmathtruncatemacro{\prev}{\i-1}
+
+                \node[VN, right = 35mm of vn\prev 0] (vn\i0) {};
+                \node[VN, below = of vn\i0]          (vn\i1) {};
+                \node[VN, below = of vn\i1]          (vn\i2) {};
+                \node[VN, below = of vn\i2]          (vn\i3) {};
+                \node[VN, below = of vn\i3]          (vn\i4) {};
+
+                \coordinate (temp) at ($(vn\i1)!0.5!(vn\i2)$);
+
+                \node[CN, left = 15mm of temp] (cn\i0) {};
+                \node[CN, below = of cn\i0]     (cn\i1) {};
+
+                \draw (vn\i0) -- (cn\i0);
+                \draw (vn\i1) -- (cn\i0);
+                \draw (vn\i3) -- (cn\i0);
+                \draw (vn\i1) -- (cn\i1);
+                \draw (vn\i2) -- (cn\i1);
+                \draw (vn\i4) -- (cn\i1);
+            }
+
+            \foreach \i in {1,2,3,4} {
+                \pgfmathtruncatemacro{\prev}{\i-1}
+
+                \draw (vn\prev 3) -- (cn\i 0);
+                \draw (vn\prev 4) -- (cn\i 1);
+            }
+
+            \node[
+                draw, inner sep=5mm,line width=1pt,
+                fit=(vn00)(vn04)(cn00)(cn01)(vn20)(vn24)(cn20)(cn21)
+            ]
+            (box1) {};
+            \node[
+                draw, dashed, inner sep=5mm, inner ysep=8mm,line width=1pt,
+                fit=(vn10)(vn14)(cn10)(cn11)(vn30)(vn34)(cn30)(cn31)
+            ]
+            (box2) {};
+
+            \draw[kit-orange, line width=2pt] (cn10) -- (vn10);
+            \draw[kit-orange, line width=2pt] (cn10) -- (vn11);
+            \draw[kit-orange, line width=2pt] (cn10) -- (vn13);
+            \draw[kit-orange, line width=2pt] (cn11) -- (vn11);
+            \draw[kit-orange, line width=2pt] (cn11) -- (vn12);
+            \draw[kit-orange, line width=2pt] (cn11) -- (vn14);
+
+            \draw[kit-orange, line width=2pt] (vn13) -- (cn20);
+            \draw[kit-orange, line width=2pt] (vn14) -- (cn21);
+
+            \draw[kit-orange, line width=2pt] (cn20) -- (vn20);
+            \draw[kit-orange, line width=2pt] (cn20) -- (vn21);
+            \draw[kit-orange, line width=2pt] (cn20) -- (vn23);
+            \draw[kit-orange, line width=2pt] (cn21) -- (vn21);
+            \draw[kit-orange, line width=2pt] (cn21) -- (vn22);
+            \draw[kit-orange, line width=2pt] (cn21) -- (vn24);
+
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn10) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn11) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn12) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn13) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn14) {};
+
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn20) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn21) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn22) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn23) {};
+            \node[VN, draw=kit-orange, fill=kit-orange] at (vn24) {};
+
+            % Marker for solid box (positions 0–2)
+            \draw[line width=1pt] ([yshift=-5mm, line width=1pt]box1.south west)
+            -- ++(0,-4mm)
+            coordinate (dim1l);
+            \draw[line width=1pt] ([yshift=-5mm]box1.south east)
+            -- ++(0,-4mm)
+            coordinate (dim1r);
+            \draw[{Latex}-{Latex}, line width=1pt]
+            ([yshift=-2mm]dim1l) -- ([yshift=-2mm]dim1r)
+            node[midway, below=2pt] {$W$};
+
+            % Marker for step size F on top
+            \draw[line width=1pt] ([yshift=3mm]box2.north west)
+            -- ++(0,4mm)
+            coordinate (dim3l);
+            \draw[line width=1pt] ([yshift=3mm]box2.north west -|
+            box1.north west)
+            -- ++(0,4mm)
+            coordinate (dim3r);
+            \draw[{Latex}-{Latex}, line width=1pt]
+            ([yshift=2mm]dim3l) -- ([yshift=2mm]dim3r)
+            node[midway, above=2pt] {$F$};
+
+            \draw[-{Latex}, line width=1pt] ([yshift=8mm] box1.north
+            east) -- ++(35mm,0);
+        \end{tikzpicture}
+    }%
+        \only<2->{
+        \begin{tikzpicture}[node distance = 7mm]
+            \node[VN]                  (vn00) {};
+            \node[VN, below = of vn00] (vn01) {};
+            \node[VN, below = of vn01] (vn02) {};
+            \node[VN, below = of vn02] (vn03) {};
+            \node[VN, below = of vn03] (vn04) {};
+
+            \coordinate (temp) at ($(vn01)!0.5!(vn02)$);
+
+            \node[CN, left =15mm of temp] (cn00) {};
+            \node[CN, below = of cn00] (cn01) {};
+
+            \draw (vn00) -- (cn00);
+            \draw (vn01) -- (cn00);
+            \draw (vn03) -- (cn00);
+            \draw (vn01) -- (cn01);
+            \draw (vn02) -- (cn01);
+            \draw (vn04) -- (cn01);
+
+            \foreach \i in {1,2,3,4} {
+                \pgfmathtruncatemacro{\prev}{\i-1}
+
+                \node[VN, right = 35mm of vn\prev 0] (vn\i0) {};
+                \node[VN, below = of vn\i0]          (vn\i1) {};
+                \node[VN, below = of vn\i1]          (vn\i2) {};
+                \node[VN, below = of vn\i2]          (vn\i3) {};
+                \node[VN, below = of vn\i3]          (vn\i4) {};
+
+                \coordinate (temp) at ($(vn\i1)!0.5!(vn\i2)$);
+
+                \node[CN, left = 15mm of temp] (cn\i0) {};
+                \node[CN, below = of cn\i0]     (cn\i1) {};
+
+                \draw (vn\i0) -- (cn\i0);
+                \draw (vn\i1) -- (cn\i0);
+                \draw (vn\i3) -- (cn\i0);
+                \draw (vn\i1) -- (cn\i1);
+                \draw (vn\i2) -- (cn\i1);
+                \draw (vn\i4) -- (cn\i1);
+            }
+
+            \foreach \i in {1,2,3,4} {
+                \pgfmathtruncatemacro{\prev}{\i-1}
+
+                \draw (vn\prev 3) -- (cn\i 0);
+                \draw (vn\prev 4) -- (cn\i 1);
+            }
+
+            \node[
+                draw, inner sep=5mm,line width=1pt,
+                fit=(vn00)(vn04)(cn00)(cn01)(vn20)(vn24)(cn20)(cn21)
+            ]
+            (box1) {};
+            \node[
+                draw, dashed, inner sep=5mm, inner ysep=8mm,line width=1pt,
+                fit=(vn10)(vn14)(cn10)(cn11)(vn30)(vn34)(cn30)(cn31)
+            ]
+            (box2) {};
+
+            \draw[kit-orange, line width=2pt] (cn10) -- (vn10);
+            \draw[kit-orange, line width=2pt] (cn10) -- (vn11);
+            \draw[kit-orange, line width=2pt] (cn10) -- (vn13);
+            \draw[kit-orange, line width=2pt] (cn11) -- (vn11);
+            \draw[kit-orange, line width=2pt] (cn11) -- (vn12);
+            \draw[kit-orange, line width=2pt] (cn11) -- (vn14);
+
+            \draw[kit-orange, line width=2pt] (vn13) -- (cn20);
+            \draw[kit-orange, line width=2pt] (vn14) -- (cn21);
+
+            \draw[kit-orange, line width=2pt] (cn20) -- (vn20);
+            \draw[kit-orange, line width=2pt] (cn20) -- (vn21);
+            \draw[kit-orange, line width=2pt] (cn20) -- (vn23);
+            \draw[kit-orange, line width=2pt] (cn21) -- (vn21);
+            \draw[kit-orange, line width=2pt] (cn21) -- (vn22);
+            \draw[kit-orange, line width=2pt] (cn21) -- (vn24);
+
+            % Marker for solid box (positions 0–2)
+            \draw[line width=1pt] ([yshift=-5mm, line width=1pt]box1.south west)
+            -- ++(0,-4mm)
+            coordinate (dim1l);
+            \draw[line width=1pt] ([yshift=-5mm]box1.south east)
+            -- ++(0,-4mm)
+            coordinate (dim1r);
+            \draw[{Latex}-{Latex}, line width=1pt]
+            ([yshift=-2mm]dim1l) -- ([yshift=-2mm]dim1r)
+            node[midway, below=2pt] {$W$};
+
+            % Marker for step size F on top
+            \draw[line width=1pt] ([yshift=3mm]box2.north west)
+            -- ++(0,4mm)
+            coordinate (dim3l);
+            \draw[line width=1pt] ([yshift=3mm]box2.north west -|
+            box1.north west)
+            -- ++(0,4mm)
+            coordinate (dim3r);
+            \draw[{Latex}-{Latex}, line width=1pt]
+            ([yshift=2mm]dim3l) -- ([yshift=2mm]dim3r)
+            node[midway, above=2pt] {$F$};
+
+            \draw[-{Latex}, line width=1pt] ([yshift=8mm] box1.north
+            east) -- ++(35mm,0);
+        \end{tikzpicture}
+    }
+    \end{figure}
+
+    \vspace*{-5mm}
+
+    \begin{itemize}
+        \item Pass \schlagwort{only messages} to next window
+    \end{itemize}
+\end{frame}
+
 \begin{frame}
     \frametitle{BPGD Performance: Window Size}