private async Task <long> GetOutputFor(long[] phaseSettings)
{
var outputA = new BlockingCollection <long>();
var outputB = new BlockingCollection <long>();
var outputC = new BlockingCollection <long>();
var outputD = new BlockingCollection <long>();
var outputE = new BlockingCollection <long>();
outputA.Add(phaseSettings[1]);
outputB.Add(phaseSettings[2]);
outputC.Add(phaseSettings[3]);
outputD.Add(phaseSettings[4]);
outputE.Add(phaseSettings[0]);
outputE.Add(0);
var A = RunComputerWithWiredIO(phaseSettings[0], outputE, outputA);
var B = RunComputerWithWiredIO(phaseSettings[1], outputA, outputB);
var C = RunComputerWithWiredIO(phaseSettings[2], outputB, outputC);
var D = RunComputerWithWiredIO(phaseSettings[3], outputC, outputD);
var E = RunComputerWithWiredIO(phaseSettings[4], outputD, outputE);
await Task.WhenAll(A, B, C, D, E);
return(outputE.LastOrDefault());
}