Почему не прорисовывается путь в лабиринте? - C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace ConsoleApplication8
{
    class Program
    {
         int height = 11;
         int Weight = 11;
         int[,] maze;
        static void Main(string[] args)
        {
            
            Program t = new Program();
            t.maze =  t.GenerationMaze(t.height,t.Weight);
            Console.WriteLine();
            for (int i = 0; i < t.height; i++)
            {
                for (int j = 0; j < t.Weight; j++)
                {
                   
                    Console.Write(t.maze[i, j] + " ");
                }
                Console.WriteLine();
            }
            Console.ReadKey();
        }
        int[,]  GenerationMaze(int height, int Weight )
        {
            Program t = new Program();
            t.maze = new int[height, Weight];
            Random rand = new Random();
            
            for (int i = 0; i< height; i++)
            {
                for (int j = 0; j < Weight; j++)
                {
 
                    t.maze[i, j] = 1;///Stenki
                   ///HODa
 
                   // 
                }
               // 
            }
            int r = rand.Next(height);
            while (r % 2 == 0)
            {
                r = rand.Next(height);
            }
 
            int c = rand.Next(Weight);
            while (c % 2 == 0)
            {
                c = rand.Next(Weight);
            }
            t.maze[r, c] = 0;
            MazeDigger(t.maze, c, r);
 
           return t. maze;
 
        }
        void MazeDigger(int[,] maze, int c,int r)
        {
            Program t = new Program();
            int[] derection = new int[] { 1, 2, 3, 4 };
            Shuffle(derection);
            for(int i = 0; i < derection.Length; i++)
            {
                switch (derection[i])
                {
                    case 1://verh
                        if (r - 2 <= 0)
                            continue;
                        if (maze[r - 2, c] != 0)
                        {
                          //  maze[r - 3, c] = 0;
                            maze[r - 2, c] = 0;
                            maze[r - 1, c] = 0;
                            MazeDigger(maze, r - 2, c);
                        }
                        break;
                    case 2://pravo
                        if (c + 2 >= t.Weight-1)
                            continue;
                        if (maze[r , c+2] != 0)
                        {
                            maze[r, c+2] = 0;
                            maze[r , c+1] = 0;
                            MazeDigger(maze, r , c + 2);
                        }
                        break;
                    case 3://verh
                        if (r + 2 >= t.height-1)
                            continue;
                        if (maze[r + 2, c] != 0)
                        {
                            maze[r + 2, c] = 0;
                            maze[r + 1, c] = 0;
                            MazeDigger(maze, r + 2, c);
                        }
                        break;
                    case 4:///vniz
                        if (c - 2 <= 0)
                            continue;
                        if (maze[r , c - 2] != 0)
                        {
                            maze[r , c - 2] = 0;
                            maze[r , c - 1] = 0;
                            MazeDigger(maze, r , c - 2);
                        }
                        break;
                }
            }
        }
        public static void Shuffle<T>(T[] array)
        {
            Program t = new Program();
            Random rand = new Random();
            for (int i = array.Length; i > 1; i--)
            {
                int j = rand.Next(i);
                T tmp = array[j];
                array[j] = array[i - 1];
                array[i - 1] = tmp;
                
            }
        }
    }
}