Brainf (C# Shell App Paste)

//Disclaimer: The creator of 'C# Shell (C# Offline Compiler)' is in no way responsible for the code posted by any user.
using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;

namespace CSharp_Shell
{

    public static class Program
    {
        public static void Main()
        {
           var data = new Data();
           Console.WriteLine(data);
           data++;
           Console.WriteLine(data);
           data = data.Next;
           Console.WriteLine(data);
           data++;
           Console.WriteLine(data);

        }

        class Data{

            public Data Next{
                get{
                    if(_next == null)
                        _next = new Data();
                    _next._previous = this;
                    return _next;
                }
            }
            public Data Previous{
                get{
                    return _previous;
                }
            }

            private Data _next;
            private Data _previous;
            private byte Value = 48;

            public static Data operator ++(Data data){
                data.Value++;
                return data;
            }

            public static Data operator --(Data data){
                data.Value--;
                return data;
            }

            override public string ToString(){
                return ((char)Value).ToString();
            }
        }
    }
}