private static bool EndlessCircleWasPassed(MultiDictionary <int, NodeWithMinimumStackHeightAfterIt> potentialCircleStartsWithMinStack, Node <A, S> currentNode)
{
var potentialCircleStartsWithSameState = potentialCircleStartsWithMinStack.ValuesOfKey(currentNode.Config.State.Id);
var potentialCirlceStartsWithLessOrEqualStackHeight = potentialCircleStartsWithSameState.Where(cirlceStart => cirlceStart.Node.Config.Stack.StackSymbols.Count() <= currentNode.Config.Stack.StackSymbols.Count());
return(potentialCirlceStartsWithLessOrEqualStackHeight.Any(circleStartNodeWithMinStack =>
{
var circleStartNode = circleStartNodeWithMinStack.Node;
var numberOfMaxPoppedStackSymbols = circleStartNode.Config.Stack.StackSymbols.Count() - circleStartNodeWithMinStack.MinimumStackHeightAfterIt + 1;
return circleStartNode.Config.Stack.HasSameTopMostSymbolsLike(currentNode.Config.Stack, numberOfMaxPoppedStackSymbols);
}));
}