private static void PermutationsInnner(TileKinds stock, int depth, TileKinds current, IList <TileKinds> result)
{
if (depth == 0)
{
result.Add(current);
return;
}
for (var i = 0; i < stock.Count(); i++)
{
var copyOfStock = new TileKinds(stock);
var copyOfCurrent = new TileKinds(current)
{
copyOfStock[i]
};
copyOfStock.RemoveAt(i);
PermutationsInnner(copyOfStock, depth - 1, copyOfCurrent, result);
}
}
