Solution.java

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


public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));

        List<List<Integer>> arr = new ArrayList<>();

        for (int i = 0; i < 6; i++) {
            String[] arrRowTempItems = bufferedReader.readLine().replaceAll("\\s+$", "").split(" ");

            List<Integer> arrRowItems = new ArrayList<>();

            for (int j = 0; j < 6; j++) {
                int arrItem = Integer.parseInt(arrRowTempItems[j]);
                arrRowItems.add(arrItem);
            }

            arr.add(arrRowItems);
        }

        bufferedReader.close();
        
        //
        
        int v = Integer.MIN_VALUE;
        
        for (int i = 0; i <= 3; i++) {
            for (int j = 0; j <= 3; j++) {
                int x = arr.get(i).get(j) + 
                        arr.get(i).get(j+1) + 
                        arr.get(i).get(j+2) +
                        arr.get(i+1).get(j+1) +
                        arr.get(i+2).get(j) + 
                        arr.get(i+2).get(j+1) + 
                        arr.get(i+2).get(j+2);
                if (x > v) {
                    v = x;
                }
            }
        }
        
        System.out.println(v);
    }
}