Untitled

@startuml
[*] --> Оператор

state Оператор {
  [*] --> Substate1
  Substate1 --> Substate2 : Transition A
  Substate2 --> Substate1 : Transition B
  Substate2 --> [*]
}

Оператор --> Object2 : Transition 1

state Object2 {
  [*] --> SubstateA
  SubstateA --> SubstateB : Transition X
  SubstateB --> SubstateA : Transition Y
  SubstateB --> [*]
}

Object2 --> Object3 : Transition 2

state Object3 {
  [*] --> SubstateAlpha
  SubstateAlpha --> SubstateBeta : Transition I
  SubstateBeta --> SubstateAlpha : Transition II
  SubstateBeta --> [*]
}

Object3 --> [*]
@enduml