MR.  
(select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/
Monter
Descendre
  -1\' OR 2+619-619-1=0+0+0+1 -- -1 OR 2+938-938-1=0+0+0+1 -1 OR 2+759-759-1=0+0+0+1 --