diff --git a/08Trees.tex b/08Trees.tex
index e6bc392..c233fd4 100644
--- a/08Trees.tex
+++ b/08Trees.tex
@@ -273,26 +273,26 @@
         \draw (h)--(i);
         \draw (j)--(k);
         \draw (j)--(l);
-        \draw[dashed,->] (-0.5,0)--(-0.5,1.5);
-        \draw[dashed,->] (-0.5,1.5)--(-8,1.5);
-        \draw[dashed,->] (-8,1.5) arc (-90:-270:0.5);
-        \draw[dashed,->] (-8,2.5)--(-4.5,2.5);
-        \draw[dashed,->] (-4.5,2.5)--(-4.5,4);
-        \draw[dashed,->] (-4.5,4) arc (-180:-360:0.5);
-        \draw[dashed,->] (-3.5,4)--(-3.5,2.5);
-        \draw[dashed,->] (-3.5,2.5)--(1.5,2.5);
-        \draw[dashed,->] (1.5,2.5)--(1.5,4);
-        \draw[dashed,->] (1.5,4) arc (-180:-360:0.5);
-        \draw[dashed,->] (2.5,4)--(2.5,2.5);
-        \draw[dashed,->] (2.5,2.5)--(3.5,2.5);
-        \draw[dashed,->] (3.5,2.5)--(3.5,4);
-        \draw[dashed,->] (3.5,4) arc (-180:-360:0.5);
-        \draw[dashed,->] (4.5,4)--(4.5,2.5);
-        \draw[dashed,->] (4.5,2.5)--(6,2.5);
-        \draw[dashed,->] (6,2.5) arc (90:-90:0.5);
-        \draw[dashed,->] (6,1.5)--(0.5,1.5);
-        \draw[dashed,->] (0.5,1.5)--(0.5,0);
-        \draw[dashed,->] (0.5,0) arc (0:-180:0.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (-0.5,0)--(-0.5,1.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (-0.5,1.5)--(-8,1.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (-8,1.5) arc (-90:-270:0.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (-8,2.5)--(-4.5,2.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (-4.5,2.5)--(-4.5,4);
+        \draw[dashed,-{Stealth[width=5pt]}] (-4.5,4) arc (-180:-360:0.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (-3.5,4)--(-3.5,2.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (-3.5,2.5)--(1.5,2.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (1.5,2.5)--(1.5,4);
+        \draw[dashed,-{Stealth[width=5pt]}] (1.5,4) arc (-180:-360:0.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (2.5,4)--(2.5,2.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (2.5,2.5)--(3.5,2.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (3.5,2.5)--(3.5,4);
+        \draw[dashed,-{Stealth[width=5pt]}] (3.5,4) arc (-180:-360:0.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (4.5,4)--(4.5,2.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (4.5,2.5)--(6,2.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (6,2.5) arc (90:-90:0.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (6,1.5)--(0.5,1.5);
+        \draw[dashed,-{Stealth[width=5pt]}] (0.5,1.5)--(0.5,0);
+        \draw[dashed,-{Stealth[width=5pt]}] (0.5,0) arc (0:-180:0.5);
     \end{tikzpicture}
 \end{figure}