diff --git a/tolerant-reader/etc/tolerant-reader.png b/tolerant-reader/etc/tolerant-reader.png
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diff --git a/tolerant-reader/etc/tolerant-reader.ucls b/tolerant-reader/etc/tolerant-reader.ucls
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+++ b/tolerant-reader/etc/tolerant-reader.ucls
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+<?xml version="1.0" encoding="UTF-8"?>
+<class-diagram version="1.1.8" icons="true" automaticImage="PNG" always-add-relationships="false" generalizations="true" 
+  realizations="true" associations="true" dependencies="false" nesting-relationships="true">  
+  <class id="1" language="java" name="com.iluwatar.App" project="tolerant-reader" 
+    file="/tolerant-reader/src/main/java/com/iluwatar/App.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="106" width="130" x="207" y="280"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="2" language="java" name="com.iluwatar.RainbowFishV2" project="tolerant-reader" 
+    file="/tolerant-reader/src/main/java/com/iluwatar/RainbowFishV2.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="232" width="359" x="377" y="570"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="3" language="java" name="com.iluwatar.RainbowFishSerializer" project="tolerant-reader" 
+    file="/tolerant-reader/src/main/java/com/iluwatar/RainbowFishSerializer.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="142" width="231" x="613" y="280"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="4" language="java" name="com.iluwatar.RainbowFish" project="tolerant-reader" 
+    file="/tolerant-reader/src/main/java/com/iluwatar/RainbowFish.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="250" width="196" x="377" y="280"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <generalization id="5">    
+    <end type="SOURCE" refId="2"/>    
+    <end type="TARGET" refId="4"/>  
+  </generalization>  
+  <classifier-display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+    sort-features="false" accessors="true" visibility="true">    
+    <attributes public="true" package="true" protected="true" private="true" static="true"/>    
+    <operations public="true" package="true" protected="true" private="true" static="true"/>  
+  </classifier-display>  
+  <association-display labels="true" multiplicity="true"/>
+</class-diagram>
\ No newline at end of file