brbarmex

package hourglass

import "math"

func Sum(arr [][]int) int {
	a, b, c, d, bigger := -1, 0, 1, 0, math.MinInt32

	for h := 0; h < 4; h++ {
		for v := 0; v < 4; v++ {
			a, b, c, d = a+1, b+1, c+1, d+1