MaxPlatform3x3_31.05.2016

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MaxPlatfomr3x3_31._05._2016
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] size = Console.ReadLine().Split(new char[] { ' ' }, StringSplitOptions.None).Select(int.Parse).ToArray();

            int[,] inputNumbs = new int[size[0], size[1]];
            inputNumbs = (ReadingInputNumbers(size));

            int[,] max3x3Platform = new int[3, 3];
            FindingMaxPlatform(inputNumbs);
        }

        static void FindingMaxPlatform(int[,] scannedMatrix)
        {
            int[,] maxPlatform = new int[3, 3];
            long bestSum = long.MinValue;
            int bestRow = 0;
            int bestCol = 0;

            for (int rowScan = 0; rowScan < scannedMatrix.GetLength(0) - 2; rowScan++)
            {
                for (int colScan = 0; colScan < scannedMatrix.GetLength(1) - 2; colScan++)
                {
                    long currentSum = scannedMatrix[rowScan, colScan] + scannedMatrix[rowScan, colScan + 1] + scannedMatrix[rowScan, colScan + 2] +
                                        scannedMatrix[rowScan + 1, colScan] + scannedMatrix[rowScan + 1, colScan + 1] + scannedMatrix[rowScan + 1, colScan + 2] +
                                        scannedMatrix[rowScan + 2, colScan] + scannedMatrix[rowScan + 2, colScan + 1] + scannedMatrix[rowScan + 2, colScan + 2];
                    if (currentSum > bestSum)
                    {
                        bestSum = currentSum;
                        bestRow = rowScan;
                        bestCol = colScan;
                    }
                }
            }

            Console.WriteLine(bestSum);
            for (int rowSave = bestRow; rowSave < bestRow + 3; rowSave++)
            {
                for (int colSave = bestCol; colSave < bestCol + 3; colSave++)
                {
                    Console.Write(scannedMatrix[rowSave, colSave] + " ");
                }
                Console.WriteLine();
            }
        }

        static int[,] ReadingInputNumbers(int[] matrixSize)
        {
            int[,] readNumbers = new int[matrixSize[0], matrixSize[1]];

            for (int rowRead = 0; rowRead < readNumbers.GetLength(0); rowRead++)
            {
                string[] rowNumbers = Console.ReadLine().Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).ToArray();

                for (int colRead = 0; colRead < readNumbers.GetLength(1); colRead++)
                {
                    readNumbers[rowRead, colRead] = int.Parse(rowNumbers[colRead]);
                }
            }
            return readNumbers;
        }
    }
}