public static void Main()
{
Nested n = new Nested(25, 7);
Nested n2 = new Nested(49, 8);
SimpleVector vector = new SimpleVector(3, 4, n);
vector.N = n2;
var length = Test(vector);
Console.WriteLine(length);
}
public static int Test(SimpleVector v)
{
var n = v.N;
return(n.Length);
}