largest

long largest_product_in_grid(string num, int w, int h) {

    long largest = 0;

    char[] cval = to!(char[])(num);

    int[][] ival = new int[][](w,h);
    int curCVal = 0;

    for(int i = 0; i < ival[0].length; i++) {
        for(int j = 0; j < ival.length; j++) {
        writeln("i: ", i, ", j: ", j);
            ival[j][i] = to!(int)(cval[curCVal]) - '0';

            if(curCVal < cval.length-1) curCVal++;
        }
    }

    writeln(ival);

    return largest;
}