diff --git a/BehavioralPatternsDiagrams/BehavioralPatternsDiagrams.modelproj b/BehavioralPatternsDiagrams/BehavioralPatternsDiagrams.modelproj
index b9a15f6..1e34ee6 100644
--- a/BehavioralPatternsDiagrams/BehavioralPatternsDiagrams.modelproj
+++ b/BehavioralPatternsDiagrams/BehavioralPatternsDiagrams.modelproj
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+ ChainOfResponsibility\ChainOfResponsibility.classdiagram
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+ ChainOfResponsibility\ChainOfResponsibility.sequencediagram
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diff --git a/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibility.classdiagram b/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibility.classdiagram
new file mode 100644
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diff --git a/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibility.classdiagram.layout b/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibility.classdiagram.layout
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diff --git a/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibility.sequencediagram b/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibility.sequencediagram
new file mode 100644
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+++ b/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibility.sequencediagram
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diff --git a/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibility.sequencediagram.layout b/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibility.sequencediagram.layout
new file mode 100644
index 0000000..0bb2f3f
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+++ b/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibility.sequencediagram.layout
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diff --git a/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibilityClassDiagram.PNG b/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibilityClassDiagram.PNG
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index 0000000..e37b194
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diff --git a/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibilitySequenceDiagram.PNG b/BehavioralPatternsDiagrams/ChainOfResponsibility/ChainOfResponsibilitySequenceDiagram.PNG
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index 0000000..72c04da
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diff --git a/BehavioralPatternsDiagrams/ModelDefinition/BehavioralPatternsDiagrams.uml b/BehavioralPatternsDiagrams/ModelDefinition/BehavioralPatternsDiagrams.uml
index 02c36ec..e3a4474 100644
--- a/BehavioralPatternsDiagrams/ModelDefinition/BehavioralPatternsDiagrams.uml
+++ b/BehavioralPatternsDiagrams/ModelDefinition/BehavioralPatternsDiagrams.uml
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