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

class ArrayDS2D {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a[][] = new int[6][6];
		for(int i = 0; i < 6; i++) {
			for(int j = 0; j < 6; j++) {
				a[i][j] = sc.nextInt();
			}
		}
		int max = a[0][0] + a[0][1] + a[1][1] + a[0][2] + a[2][0] + a[2][1] + a[2][2];
		int hourglass;
		for(int i = 0; i < 4; i++) {
			for(int j = 0; j < 4; j++) {
				hourglass = a[i][j] + a[i][j+1] + a[i][j+2] + a[i+1][j+1] + a[i+2][j] + a[i+2][j+1] + a[i+2][j+2];
				if(hourglass > max)
					max = hourglass;
			}
		}
		System.out.println(max);
	}
}
Add solution to 2D Arrays problem
Add solution to 2D Arrays problem
