TTT3.flow

blockdiag {
    st -> wait ->  waitforset -> req1;
    wait -> wait;


    st [type=start];
    wait [type=sync, wait = "['X1','X2','X3']"]
    # waitforset [type=waitforset, set="[{'event':'X1'},{'event':'X2'}, {'event':'X3'}]", threshold=2]
    waitforset [type=waitforset, set="[{'event':'X'+str(i)} for i in range(1,10) ]", threshold=2]
    req1 [type=sync, req="['@']"]

    st -> req2 -> req3;

    req2 [type=sync, req="['X1']"]
    req3 [type=sync, req="['X3']"]



    # For debugging
    class hidden [color = none, style = none, textcolor = white];
    stt -> listener -> logger -> listener [style = "none"];

    listener [type=sync,
              wait="['X'+str(i) for i in range(1,9)]+['O'+str(i) for i in range(1,9)] + ['@']",
              class = "hidden", autoformat='false'];

    logger [type=logger, label="Events log", autoformat='false']
    stt [type=start, class = "hidden", autoformat='false'];

}