2DArray.java

import java.io.*;
import java.util.*;
import java.lang.*;

public class Solution {
    public static void main(String[] args) throws IOException {
        Scanner sc = new Scanner(System.in);
        int[][] arr = new int[6][6];
        for (int i = 0; i < 6; i++) {
            for (int j = 0; j < 6; j++) {
                arr[i][j] = sc.nextInt();
            }
        }
        int max = Integer.MIN_VALUE;
        int sum = 0;
        for (int i = 1; i < 5; i++) {
            for (int j = 1; j < 5; j++) {
                sum = arr[i][j] + arr[i-1][j-1] + arr[i-1][j] + arr[i-1][j+1] + arr[i+1][j-1] + arr[i+1][j] + arr[i+1][j+1];
                if(sum > max){
                    max = sum;
                }
            }
        }
        System.out.println(max);
    }
}