This works for me
curl http://a.tiles.telegeography.com/maps/submarine-cable-map-2014/6/\[0-9\]/9.png -o row09_column0#1.png
curl http://a.tiles.telegeography.com/maps/submarine-cable-map-2014/6/\[10-63\]/9.png -o row09_column#1.png
curl http://a.tiles.telegeography.com/maps/submarine-cable-map-2014/6/\[0-9\]/\[10-54\].png -o row#2_column0#1.png
curl http://a.tiles.telegeography.com/maps/submarine-cable-map-2014/6/\[10-63\]/\[10-54\].png -o row#2_column#1.png
echo "Creating montage"
montage -mode concatenate -tile 64x *.png final_map.png