public override string ToString()
{
List <Gate> gates = TopologicalOrder;
// that should also assign all gates to a number
string str = "";
str += "Input Addrs: " + string.Join(" ", InputAddrs.Select(addr => addr.Render())) + "\n";
str += "Output Addrs: " + string.Join(" ", OutputAddrs.Select(addr => addr.Render())) + "\n";
str += string.Join("\n", gates);
str += "\n";
str += string.Join("\n", OutputConnectionCounterparties.Select(kv => kv.Key + " -> " + kv.Value));
str += "\n";
return(str);
}
