digraph{
    graph [
        bgcolor="#FFFFFFF00",
        rankdir=LR,
        ];
    released -> waiting;
    waiting -> ready;
    waiting -> constrained;
    ready -> executing;
    constrained -> executing;
    executing -> "long-running";
    executing -> memory;
    executing -> error;
    executing -> rescheduled;
    "long-running" -> memory;
    "long-running" -> error;
    "long-running" -> rescheduled;
}
