//609 - too low
public static void Day16a()
{
List <Set> sets = ParseSets();
Dictionary <Set, int> returns = new Dictionary <Set, int>();
OpCodes oc = new OpCodes();
foreach (Set set in sets)
{
int i = oc.TestAll(set.Pre, set.Instr, set.Post);
returns.Add(set, i);
}
MessageBox.Show("There were " + returns.Where(w => w.Value >= 3).Count() + " instructions that behave like three or more OpCodes.");
}