day11.js

'use strict';

process.stdin.resume();
process.stdin.setEncoding('utf-8');

let inputString = '';
let currentLine = 0;

process.stdin.on('data', inputStdin => {
    inputString += inputStdin;
});

process.stdin.on('end', _ => {
    inputString = inputString.replace(/\s*$/, '')
        .split('\n')
        .map(str => str.replace(/\s*$/, ''));

    main();
});

function readLine() {
    return inputString[currentLine++];
}



function main() {
    let arr = Array(6);

    for (let i = 0; i < 6; i++) {
        arr[i] = readLine().split(' ').map(arrTemp => parseInt(arrTemp, 10));
    }

    // answer :

    const hourglassesSums = []

    for (let i = 0; i < arr.length - 2; i++) {
        for (let j = 0; j < arr.length - 2; j++) {
            const oneHourglass = arr[i][j] + arr[i][j + 1] + arr[i][j + 2] +
                arr[i + 1][j + 1] +
                arr[i + 2][j] + arr[i + 2][j + 1] + arr[i + 2][j + 2]
            hourglassesSums.push(oneHourglass)
        }
    }
    console.log(Math.max(...hourglassesSums))
}