//default String.GetHashCode() can't well spread strings like "1", "2", "3"
public static int BetterHash(String key)
{
uint hash = MurmurHash2.Hash(Encoding.UTF8.GetBytes(key));
return((int)hash);
}
public static int BetterHash(string key)
{
return((int)MurmurHash2.Hash(Encoding.UTF8.GetBytes(key)));
}