protected override void SolvePartTwo()
{
var aaStart = new RecursiveDonutSearchNode(graph, "AA:OUT", 0, "ZZ:OUT", 0);
var zzEnd = Search <HeapPriorityQueue <SearchNode> > .Execute(aaStart);
resultPartTwo = zzEnd.cost.ToString();
}
public RecursiveDonutSearchNode(DonutGraph graph, string portal, int layer, string target, int cost, RecursiveDonutSearchNode parent = null) : base(cost, parent)
{
this.graph = graph;
this.portal = portal;
this.layer = layer;
this.target = target;
}