let disk_map = "2333133121414131402"
//              0..111....22222

//let fileArray = Array.from(file)

output = ""
hints = ""
//output += "".padStart(disk_map[0], 0)
let id = -1
let is_file = false
for (let idx = 0; idx < disk_map.length; idx++) {
    let length = disk_map[idx]
    is_file = !is_file
    id = is_file ? id + 1 : id
    output += "".padStart(length, (is_file ? id : '.'))
    new_disk_map = 
}

function frag() {

}


console.log(disk_map)
//console.log(hints)
console.log(output)