matrixMaxSum

let input = [
    '6',
    '1 2 3 4 5 6',
    '2 3 4 5 6 7',
    '6 5 4 3 2 1',
    '3 4 5 6 7 8',
    '4 5 6 7 8 9',
    '9 8 7 6 5 4',
    '3 5 3 -5 -4 -2',

   ];

let print = this.print || console.log;
let gets = this.gets || ((arr, index) => () => arr[index++])(input, 0);
let numberOfRowsAndCols = +gets()
let emptyMatrix = []
let filledMatrix = []
let sum = 0
let sumMax = 0
for(let i = 0;i<numberOfRowsAndCols;i++){
    emptyMatrix.push(gets(i).split(' ').map(Number))
}

let coordinates = gets().split(' ').map(Number)
for(let r = 0 , c = 1 ; c<coordinates.length ;r+=2,c+=2){
    if(coordinates[r]>0 && coordinates[c]>0){
        for(let col = 0 ; col <= coordinates[c] ; col++){
            sum += emptyMatrix[coordinates[r]][col]
            sum+= emptyMatrix[coordinates[r]-1][coordinates[c]]
        }
    }else if(coordinates[r]>0 && coordinates[c]<0){
        for(let col = 0 ; col <= Math.abs(coordinates[c]) ; col++){
            sum += emptyMatrix[coordinates[r]][col]
            sum+= emptyMatrix[coordinates[r]+1][Math.abs(coordinates[c])]
        }
    }else if(coordinates[r]<0 && coordinates[c]>0){
        for(let col = numberOfRowsAndCols-1 ; col >=coordinates[c]  ; col--){
            sum += emptyMatrix[Math.abs(coordinates[r])][col]
            sum+= emptyMatrix[Math.abs(coordinates[r])-1][coordinates[c]]
        }
    }else if(coordinates[r]<0 && coordinates[c]<0){
        for(let col = numberOfRowsAndCols-1 ; col >=Math.abs(coordinates[c])  ; col--){
            sum += emptyMatrix[Math.abs(coordinates[r])][col]
            sum+= emptyMatrix[Math.abs(coordinates[r])+1][Math.abs(coordinates[c])]
        }
    }

    if(sum > sumMax){
        sumMax = sum
    }
}

print(sumMax)