Как загрузить изображение, разбитое на несколько частей?

Clear-Host
$client = new-object System.Net.WebClient
ForEach ($number in 0..63 ) { 
ForEach ($number1 in 0..63 ) { 
	$row = "{0:D2}" -f $number1
	$column = "{0:D2}" -f $number
	$client.DownloadFile("http://b.tiles.telegeography.com/maps/submarine-cable-map-2014/6/$number/$number1.png","map/tile_$column-$row.png")
}}

montage.exe "путь_к_каталогу\*.png" -tile 64x64 -geometry +0+0 "путь_к_файлу_результата\result.png"

#!/bin/bash
for i in {0..63}
do
        for j in {0..63}
        do
                wget -x http://a.tiles.telegeography.com/maps/submarine-cable-map-2014/6/$i/$j.png
        done
done

#!/bin/bash
for i in {0..63}
do
        COMMAND=""
        for j in {0..63}
        do
                COMMAND="$COMMAND a.tiles.telegeography.com/maps/submarine-cable-map-2014/6/$i/$j.png"
                montage $COMMAND -geometry +0+0 -tile 1x64 tiles/$i.png
        done
done

#!/bin/bash
COMMAND=""
for i in {0..63}
do
        COMMAND="$COMMAND tiles/$i.png"
done
montage $COMMAND -geometry +0+0 -tile 64x1 submarine-cable-map-2014.png

#!/bin/bash
ARR="0 1 2 3 4 5 6 7"
SW=256
SH=256
P=""

mkdir -p m
for x in $ARR; do  
	for y in $ARR; do  
		echo "$x $y";
		wget -O "m/$x-$y.png" "http://a.tiles.telegeography.com/maps/submarine-cable-map-2014/3/$x/$y.png"
		P="$P -page +$[$x*$SW]+$[$y*$SH] m/$x-$y.png"
	done;
done;
convert $P -mosaic map.png
rm -r m