formateando

Signed-off-by: asr245 <andresj.soria@tic.alten.es>
delete

Signed-off-by: asr245 <andresj.soria@tic.alten.es>
ball's array

Signed-off-by: asr245 <andresj.soria@tic.alten.es>
some changes

Signed-off-by: asr245 <andresj.soria@tic.alten.es>