public IList<int> BuildListRL(IList<int> list, int maxvalue)
{
var L = new ListRL ();
L.Build (list, maxvalue);
return L;
}
protected override void FinishBuild(object arg)
{
var L = new ListRL ();
L.Build (this.PERM, this.PERM.Count - 1);
this.PERM = L;
}