using System;

using System.Drawing;

​

public enum Direction

{

Up,Down,Left,Right

}

​

public class Program

{

    static Game game;

    public static void Main()

    {

        game = new Game(9,4,2,3,'0');

        game.direction = Direction.Right;

        for (int i = 0; i< 6;i++)

        {

            Update();

            game.Step();

        }

        game.direction = Direction.Up;

        for (int i = 0; i< ;i++)

        {

            Update();

            game.Step();

        }

        Update();

    }

    static void Update()

    {

        for (int cols = 0;cols<game.MapSize;cols++,Console.Write("\n"))

            for (int rows = 0; rows< game.MapSize;rows++)

                Console.Write(game.Map[cols,rows]);

        Console.Write("\n");

    }

}

​

class Game

{

    public char[,] Map;

    public int MapSize;

    public Snake snake;

    public Direction direction;

    public Game(int mapSize,int x,int y, int length,char sym)

    {

        direction = Direction.Right;

        MapSize = mapSize;

        Map = new char[MapSize,MapSize];

        snake = new Snake(x,y,length,sym);

        DrawMap();

    }

    public void Step()

    {

        if (direction == Direction.Right)snake.head.Y++;

        else if (direction == Direction.Left)snake.head.Y--;

        else if (direction == Direction.Up)snake.head.X++;

        else if (direction == Direction.Down)snake.head.X--;

        DrawMap();

    }

    private void DrawMap()

    {

        for (int cols = 0;cols<MapSize;cols++)

            for (int rows = 0; rows< MapSize;rows++)

                Map[cols,rows] = '•';

        for (int i = 0; i< snake.length;i++)

            if (direction == Direction.Right)Map[snake.head.X, snake.head.Y - i] = snake.symbol;

            else if (direction == Direction.Left)Map[snake.head.X, snake.head.Y + i] = snake.symbol;

            else if (direction == Direction.Up)Map[snake.head.X + i, snake.head.Y] = snake.symbol;

            else if (direction == Direction.Down)Map[snake.head.X - i, snake.head.Y] = snake.symbol;

    }

}

​

class Snake

{

    public Point head;

    public int length;

    public char symbol;

    public Snake(int x, int y, int len, char symb)

    {

        head = new Point(x,y);

        length = len;

        symbol = symb;

    }

}