{
  "sha1": "r3kre8vvgwswmltlkacf4mh5kf2v9ru",
  "insertion": {
    "when": "2026-02-03T22:38:56.290Z",
    "url": "https://github.com/plantuml/plantuml/issues/1789",
    "user": "plantuml@gmail.com"
  }
}
@startuml
group #ffa Group 1
    Particpant_A -> Particpant_B
    activate Particpant_A
    Particpant_A <- Particpant_B
    deactivate Particpant_A
end

group #ffa Group 2
    Particpant_A -> Particpant_B++
    Particpant_A <- Particpant_B--
end

group #ffa Group 3
    Particpant_A -> Particpant_B++
    activate Particpant_A
    Particpant_A <- Particpant_B--
    deactivate Particpant_A
end

group #ffa Group 3b
    Particpant_A -> Particpant_B++
    activate Particpant_A
        Particpant_A -> Particpant_B++
                Particpant_A -> Particpant_B++
                        Particpant_A -> Particpant_B++
                        Particpant_A <- Particpant_B--
                Particpant_A <- Particpant_B--
        Particpant_A <- Particpant_B--
    Particpant_A <- Particpant_B--
    deactivate Particpant_A
end

group #ffa Group 3c
    Particpant_A -> Particpant_B++
    activate Particpant_A
        Particpant_B -> Particpant_A++
                Particpant_B -> Particpant_A++
                                Particpant_B -> Particpant_A++
                                Particpant_B <- Particpant_A--
                Particpant_B <- Particpant_A--
        Particpant_B <- Particpant_A--
    Particpant_A <- Particpant_B--
    deactivate Particpant_A
end


group #ffa Group 4
    Particpant_A -> Particpant_B
    Particpant_A <- Particpant_B
end
@enduml
