{ proc0={ req in } proc1={ req } proc2={ req } }
{ proc0={ req in } proc1={ req } proc2={ approach } }
{ proc0={ req } proc1={ req in } proc2={ approach } }
{ proc0={ req in } proc1={ approach } proc2={ req } }
{ proc0={ req in } proc1={ approach } proc2={ approach } }
{ proc0={ req } proc1={ req in } proc2={ req } }
{ proc0={ approach } proc1={ req in } proc2={ approach } }
{ proc0={ approach } proc1={ approach } proc2={ req in } }
{ proc0={ approach } proc1={ req in } proc2={ req } }
{ proc0={ approach } proc1={ out leave } proc2={ req } }
{ proc0={ req } proc1={ approach } proc2={ out leave } }
{ proc0={ req } proc1={ req } proc2={ req in } }
{ proc0={ approach } proc1={ req } proc2={ req } }
{ proc0={ approach } proc1={ req } proc2={ req in } }
{ proc0={ out leave } proc1={ req } proc2={ req } }
{ proc0={ req } proc1={ approach } proc2={ req in } }
{ proc0={ req } proc1={ out leave } proc2={ approach } }
{ proc0={ approach } proc1={ out leave } proc2={ approach } }
{ proc0={ req } proc1={ req } proc2={ out leave } }
{ proc0={ req } proc1={ out leave } proc2={ req } }
{ proc0={ } proc1={ } proc2={ } }
{ proc0={ req } proc1={ approach } proc2={ req } }
{ proc0={ out leave } proc1={ req } proc2={ approach } }
{ proc0={ approach } proc1={ req } proc2={ out leave } }
{ proc0={ approach } proc1={ approach } proc2={ req } }
{ proc0={ req } proc1={ req } proc2={ approach } }
{ proc0={ out leave } proc1={ approach } proc2={ req } }
{ proc0={ approach } proc1={ req } proc2={ approach } }
{ proc0={ approach } proc1={ approach } proc2={ approach } }
{ proc0={ approach } proc1={ approach } proc2={ out leave } }
{ proc0={ out leave } proc1={ approach } proc2={ approach } }
{ proc0={ req } proc1={ approach } proc2={ approach } }