public bool Analyze(IAssignment <TColorSet, TVertexSet> assignment, HashSet <IAssignment <TColorSet, TVertexSet> > targets)
{
for (int i = 0; i < assignment.PotSize; i++)
{
for (int j = i + 1; j < assignment.PotSize; j++)
{
var swappable = assignment.GetSwappable(i, j);
var winningSwapAlwaysExists = true;
foreach (var breakerChoice in GetBreakerChoices(swappable))
{
var winningSwapExists = false;
foreach (var response in GetFixerResponses(breakerChoice))
{
var swappedAssignment = assignment.PerformSwap(i, j, response);
if (targets.Contains(swappedAssignment))
{
winningSwapExists = true;
break;
}
}
if (!winningSwapExists)
{
winningSwapAlwaysExists = false;
break;
}
}
if (winningSwapAlwaysExists)
{
return(true);
}
}
}
return(false);
}