private static Dictionary<IndexPair, IEnumerable<sbyte>> GetAvailableDictByPairs(GameFieldModel model, IEnumerable<IndexPair> pairs, IndexPair checkedPair, int rank)
{
var dict = new Dictionary<IndexPair, IEnumerable<sbyte>>();
foreach (var pair in pairs)
{
if (rank > 1 && model.IsItemNotAvailable(pair, checkedPair))
{
model.SelectedPair = pair;
dict.Add(pair, GetHeuristicsAvailableNumbers(model, pair, rank - 1));
model.SelectedPair = null;
}
else
{
dict.Add(pair, model.GetAvailableNumbers(pair, checkedPair));
}
}
return dict;
}
