using System;
 
public class  Panda
{
    public string Nombre { get; set;}
    public Panda Pareja { get;set;}
 
    public void Relacionarse (Panda companiero)
    {
        Pareja = companiero;
        companiero.Pareja = this;
    }
}
 
public class PruebaPanda
{
	public static void Main(string[] args)
    {
    	Panda p1 = new Panda { Nombre = "Pandi" };
    	Panda p2 = new Panda { Nombre = "Lamy" };
 
    	p1.Relacionarse(p2);
 
    	Console.WriteLine (p1.Nombre);
    	Console.WriteLine (p1.Pareja.Nombre);
    }
}

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