imwrite(b1n,'stad-1.jpg','jpg');
imwrite(b2n,'stad-2.jpg','jpg');
imwrite(b3n,'stad-3.jpg','jpg');
imwrite(b4n,'stad-4.jpg','jpg');
imwrite(b5n,'stad-5.jpg','jpg');
imwrite(b6n,'stad-6.jpg','jpg');
imwrite(b7n,'stad-7.jpg','jpg');
imwrite(b8n,'stad-8.jpg','jpg');
imwrite(b9n,'stad-9.jpg','jpg');
imwrite(ban,'stad-a.jpg','jpg');