public void Save(BinaryWriter Output)
{
int vocsize = this.InvIndex.Length;
Output.Write ((int)this.N);
Output.Write ((int)vocsize);
foreach (var L in this.InvIndex) {
GenericIO<Bitmap>.Save (Output, L);
}
GenericIO<Bitmap>.Save (Output, this.Lens);
this.Perm.Save (Output);
}