diff --git a/puml-sample/next-substate.pu b/puml-sample/next-substate.pu
new file mode 100644
index 000000000..cbb0af8c3
--- /dev/null
+++ b/puml-sample/next-substate.pu
@@ -0,0 +1,16 @@
+@startuml
+state NextSubState {
+    state NextSub1
+    state NextSub2
+    state NextSub3
+    state NextSub4
+
+    [*] -> NextSub1
+    NextSub1 -> NextSub2
+    NextSub1 --> NextSub3
+    NextSub3 -> NextSub4
+    NextSub2 --> NextSub4
+    NextSub1 -> NextSub4
+    NextSub4 -> [*]
+}
+@enduml
diff --git a/puml-sample/state.pu b/puml-sample/state.pu
index 5259f247e..ba3011cec 100644
--- a/puml-sample/state.pu
+++ b/puml-sample/state.pu
@@ -1,10 +1,12 @@
 @startuml
 !include substate.pu
+!include next-substate.pu
 state State1
 state State2
 
 [*] -> State1
 State1 -> SubState
-SubState -> State2
+SubState -> NextSubState
+NextSubState -> State2
 State2 -> [*]
 @enduml