using System;

public class Program
{
    public static void Main()
    {
        int k = 0;
        int max = 0;
        int numstr = 0;
        int[,] msv = { { 4, 0, 1, 8 },
                       { 7, 7, 7, 7 },
                       { 3, 5, 5, 8 }

                      };
        for (int i = 0; i < 3; i++)
        {
        k = 0;
            for (int j = 0; j < 3; j++)
            {
                if (msv[i, j] == msv[i, j + 1])
                {
                    k++;
                if (k > max)
                {
                max = k;
                numstr = i;
                }
                } else k=0;

            }

        }
        Console.WriteLine("Номер строки"+ numstr);

    }
}