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Entering Level 1 Node Maintaining MessagesMaintaining MessagesLeaving Level 1 Node Maintaining Messages
   Entering Level 2 Node Creating Message ClassesCreating Message ClassesLeaving Level 2 Node Creating Message Classes
   Entering Level 2 Node Adding MessagesAdding MessagesLeaving Level 2 Node Adding Messages
   Entering Level 2 Node Creating Message Long TextsCreating Message Long TextsLeaving Level 2 Node Creating Message Long Texts
   Entering Level 2 Node Assigning IMG Activities to a MessageAssigning IMG Activities to a MessageLeaving Level 2 Node Assigning IMG Activities to a Message