using System;

​

class Display

{

    private int[, ] matrix;

    private int rowLength;

    private char startEndChar;

    private char fillChar;

    private char valueSeparator;

    private string beforeValue;

    private string afterValue;

    public Display()

    {

        matrix = new int[4, 4];

        rowLength = 30;

        startEndChar = '|';

        fillChar = '-';

        valueSeparator = '|';

        beforeValue = "- ";

        afterValue = " -";

    }

​

    private string GenerateRow()

    {

        return startEndChar + new string (fillChar, rowLength - 2) + startEndChar;

    }

​

    private string GenerateCellWithValue(int value)

    {

        return $"{beforeValue}{value}{afterValue}";

    }

​

    private string GenerateRowWithValues(int[] values)

    {

        string row = startEndChar.ToString();

        foreach (int value in values)

        {

            row += GenerateCellWithValue(value);

            row += valueSeparator;

        }

​

        row = row.Remove(row.Length - 1); // Remove the last valueSeparator

        row += startEndChar;

        return row;

    }

​

    public void PrintFinalResult()

    {

        Console.WriteLine(GenerateRow());

        for (int i = 0; i < matrix.GetLength(0); i++)

        {

            Console.WriteLine(GenerateRowWithValues(GetRowValues(i)));

            Console.WriteLine(GenerateRow());

        }

    }

​

    private int[] GetRowValues(int rowIndex)

    {

        int[] rowValues = new int[matrix.GetLength(1)];

        for (int i = 0; i < rowValues.Length; i++)

        {

            rowValues[i] = matrix[rowIndex, i];

        }

​

        return rowValues;

    }

​

    public void Run()

    {

        matrix = new int[, ]

        {

            {

                1,

                2,

                3

            },

            {

                4,

                5,

                6

            },

            {

                7,

                8,

                9

            },

            {

                10,

                11,

                12

            }

        };

        PrintFinalResult();

    }

}

​

class Program

{

    static void Main(string[] args)

    {

        Display displayConsole = new Display();

        displayConsole.Run();

    }

}