// table size
let colCount = 15;
let rowCount = 15;

let maxNumber = colCount * rowCount - 1; // last number in the table

// compute maximal amount of digits
let x = maxNumber;
let digits = 0;
if (x == 0){
    digits = 1;
} else {
    while(x > 0){
        x = x - x % 10;
        x = x / 10;
        digits = digits + 1;
    }
}
let maxDigits = digits;

// print table itself
let colNo = 0;
let row = "";
let rowNo = 0;
while(rowNo < rowCount){ // for every row
    colNo = 0;
    row = "";
    while(colNo < colCount){ // for every column
        let currentNumber = (rowNo * colCount + colNo);

        // compute how many digits does currentNumber have
        let x = currentNumber;
        let digits = 0;
        if (x == 0){
            digits = 1;
        } else {
            while(x > 0){
                x = x - x % 10;
                x = x / 10;
                digits = digits + 1;
            }
        }
        let currentDigits = digits;

        // print spaces for every missing digit
        while(currentDigits < maxDigits){
            row += "0";
            currentDigits = currentDigits + 1;
        }

        // maintain loop
        row += currentNumber + " ";
        colNo = colNo + 1;
    }
    // maintain loop
    rowNo = rowNo + 1;
    console.log(row);
}